/*
 * ══ PHONG INTER — TU CHUA, KHONG GOI RA NGOAI ══════════════════════════════
 *
 * Template dung Inter. Lay Google Fonts thi mot lan hong mang la ca giao dien
 * doi phong — phan mem nay chay trong luc dang phat song nen khong duoc phep
 * phu thuoc vao do. Ba tap ky tu (viet, latin-ext, latin) nam trong `phong/`,
 * tong 144 KB. `font-display: swap` de chu hien ngay bang phong du phong roi
 * doi, khong bao gio de trang trong chu.
 */
@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url(/phong/inter-vi.woff2) format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url(/phong/inter-latext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url(/phong/inter-lat.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/*
 * ══ TOKEN — CHEP NGUYEN TU TEMPLATE shadcn ══════════════════════════════════
 *
 * Nguon: shadcnstore/shadcn-dashboard-landing-template (MIT),
 * `nextjs-version/src/app/globals.css`. Moi gia tri oklch duoi day la gia tri
 * THAT trong tep do, khong phai phong theo.
 *
 * Vi sao oklch chu khong phai hex: `oklch(.97 0 0)` va `oklch(.922 0 0)` cach
 * nhau dung mot buoc do sang mat nguoi cam nhan duoc. Voi hex thi phai do tay
 * tung cap. Ca thang xam cua template dat tren truc do sang nay.
 *
 * ── MAC DINH LA SANG ──────────────────────────────────────────────────────
 * Template lay sang lam mac dinh (`:root` sang, `.dark` toi). Truoc day ben
 * minh nguoc lai. Da doi cho giong template.
 */
:root {
  --radius: .625rem;                    /* 10px */
  --radius-sm: calc(var(--radius) - 4px);   /*  6px */
  --radius-md: calc(var(--radius) - 2px);   /*  8px */
  --radius-lg: var(--radius);               /* 10px */
  --radius-xl: calc(var(--radius) + 4px);   /* 14px */

  --background: oklch(1 0 0);
  --foreground: oklch(.145 0 0);
  --card: oklch(1 0 0);
  --card-foreground: oklch(.145 0 0);
  --popover: oklch(1 0 0);
  --popover-foreground: oklch(.145 0 0);
  --primary: oklch(.205 0 0);
  --primary-foreground: oklch(.985 0 0);
  --secondary: oklch(.97 0 0);
  --secondary-foreground: oklch(.205 0 0);
  --muted-bg: oklch(.97 0 0);
  /*
   * ── MOT BAC TOI HON TEMPLATE, VA DAY LA LY DO ──────────────────────────
   *
   * Template dat `oklch(.556 0 0)`. Do that: tren nen TRANG no dat 4,74:1 —
   * qua chuan. Nhung chu mo phan lon nam tren nen MO (`--muted-bg`,
   * `oklch(.97 0 0)`): dau bang, thanh tab, nhan phu. O do no chi con
   * **4,35:1**, duoi chuan AA 4,5.
   *
   * Do la loi cua chinh bang mau shadcn, khong phai cua minh — nhung chu shop
   * doc bang so ca ngay, nen khong the giu nguyen mot con so duoi chuan tren
   * MOI man hinh.
   *
   * `.535` la buoc toi thieu du de qua: 5,17 tren trang, 4,75 tren nen mo.
   * Lech template ba don vi RGB (115 -> 109) — mat khong phan biet duoc.
   * Ban TOI cua template do duoc 5,86-7,66, dat san, nen giu nguyen.
   */
  --muted-foreground: oklch(.535 0 0);
  --accent-bg: oklch(.97 0 0);
  --accent-foreground: oklch(.205 0 0);
  --destructive: oklch(.577 .245 27.325);
  --border: oklch(.922 0 0);
  --input: oklch(.922 0 0);
  --ring: oklch(.708 0 0);

  --chart-1: oklch(.646 .222 41.116);
  --chart-2: oklch(.6 .118 184.704);
  --chart-3: oklch(.398 .07 227.392);
  --chart-4: oklch(.828 .189 84.429);
  --chart-5: oklch(.769 .188 70.08);

  --sidebar: oklch(.985 0 0);
  --sidebar-foreground: oklch(.145 0 0);
  --sidebar-primary: oklch(.205 0 0);
  --sidebar-primary-foreground: oklch(.985 0 0);
  --sidebar-accent: oklch(.97 0 0);
  --sidebar-accent-foreground: oklch(.205 0 0);
  --sidebar-border: oklch(.922 0 0);
  --sidebar-ring: oklch(.708 0 0);

  /* Bong do — dung dung thang cua template. */
  --bong-xs: 0 1px 2px 0 rgb(0 0 0 / .05);
  --bong-sm: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);
  --bong-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);
  --bong-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);

  /*
   * THANG CHU — tam bac, khong hon.
   * Truoc do co 286 khai bao font-size voi hon 12 gia tri le. Bat ky co chu
   * nao khong nam trong bang nay deu la loi; `test/thang-giao-dien.test.js` chan.
   */
  --chu-xs:   .75rem;   --dong-xs:   1rem;      /* 12/16 */
  --chu-sm:   .875rem;  --dong-sm:   1.25rem;   /* 14/20 */
  --chu-base: 1rem;     --dong-base: 1.5rem;    /* 16/24 */
  --chu-lg:   1.125rem; --dong-lg:   1.75rem;   /* 18/28 */
  --chu-xl:   1.25rem;  --dong-xl:   1.75rem;   /* 20/28 */
  --chu-2xl:  1.5rem;   --dong-2xl:  2rem;      /* 24/32 */
  --chu-3xl:  1.875rem; --dong-3xl:  2.25rem;   /* 30/36 */

  /* THANG KHOANG CACH — luoi 4pt. */
  --k-1: 4px;  --k-2: 8px;  --k-3: 12px; --k-4: 16px;
  --k-5: 20px; --k-6: 24px; --k-8: 32px; --k-12: 48px; --k-16: 64px;

  /*
   * ── BI DANH CHO MA CU ─────────────────────────────────────────────────
   * 3.674 dong CSS va 10.706 dong JS dang goi ten cu. Anh xa sang ten moi thay
   * vi doi hang loat: doi hang loat la cach chac chan de sot mot cho roi khong
   * ai thay cho tao nao bi hong.
   */
  --bg: var(--background);
  --panel: var(--card);
  --panel-2: var(--secondary);
  --panel-3: oklch(.94 0 0);
  --line: var(--border);
  --text: var(--foreground);
  --muted: var(--muted-foreground);
  --accent: var(--primary);
  --on-accent: var(--primary-foreground);
  --accent-text: var(--primary);
  --accent-dim: var(--accent-bg);
  --bad: var(--destructive);
  --bad-nut: var(--destructive);
  --on-bad: #fff;
  --r: var(--radius-lg);
  --shadow: var(--bong-sm);

  /*
   * Mau trang thai — template khong dinh nghia "dat/canh bao" nen phan nay giu
   * cua minh. Gia tri lay tu ban Sang cu, deu da do dat AA tren nen trang.
   */
  --ok: #12734a;      --ok-text: #12734a;
  --warn: #8a5a00;    --warn-text: #8a5a00;
  --tin: #1a5fa8;     --tin-text: #1a5fa8;
  --bad-text: #b3261e;
  --chip-tin: #1e5fa8; --chip-do: #b3261e;
  --chip-vang: #8a5a00; --chip-tim: #5b3fc4;

  /*
   * ── SAC THAI NEN/VIEN CUA MAU TRANG THAI ───────────────────────────────
   *
   * Truoc day moi cho tu go `var(--warn-nen)`. Hai hau qua:
   *  1. Che do toi KHONG lat duoc — mot nen vang nhat go cung van sang choi
   *     tren nen den.
   *  2. Cung mot y ("nen canh bao") co bon sac khac nhau (.10 .12 .14 .16)
   *     tuy cho, vi moi lan viet la mot lan go lai tu dau.
   *
   * `color-mix` dan xuat tu chinh token mau, nen doi che do la ca bo doi theo.
   */
  --ok-nen:   color-mix(in oklch, var(--ok) 14%, transparent);
  --ok-vien:  color-mix(in oklch, var(--ok) 40%, transparent);
  --warn-nen: color-mix(in oklch, var(--warn) 14%, transparent);
  --warn-vien:color-mix(in oklch, var(--warn) 40%, transparent);
  --bad-nen:  color-mix(in oklch, var(--bad) 14%, transparent);
  --bad-vien: color-mix(in oklch, var(--bad) 40%, transparent);
  --tin-nen:  color-mix(in oklch, var(--tin) 14%, transparent);
  --tin-vien: color-mix(in oklch, var(--tin) 40%, transparent);
}

/*
 * BAN TOI — chep tu khoi `.dark` cua template.
 *
 * Cho dang chu y: vien dung DO TRONG (`oklch(1 0 0 / 10%)`) chu khong phai mau
 * dac. Vien mau dac tren nen den luon trong nhu mot duong ke bi ve len; vien
 * trong thi hoa vao nen dung nhu template.
 */
:root[data-giao-dien="toi"] {
  --background: oklch(.145 0 0);
  --foreground: oklch(.985 0 0);
  --card: oklch(.205 0 0);
  --card-foreground: oklch(.985 0 0);
  --popover: oklch(.205 0 0);
  --popover-foreground: oklch(.985 0 0);
  --primary: oklch(.922 0 0);
  --primary-foreground: oklch(.205 0 0);
  --secondary: oklch(.269 0 0);
  --secondary-foreground: oklch(.985 0 0);
  --muted-bg: oklch(.269 0 0);
  --muted-foreground: oklch(.708 0 0);
  --accent-bg: oklch(.269 0 0);
  --accent-foreground: oklch(.985 0 0);
  --destructive: oklch(.704 .191 22.216);
  --border: oklch(1 0 0 / 10%);
  --input: oklch(1 0 0 / 15%);
  --ring: oklch(.556 0 0);

  --chart-1: oklch(.488 .243 264.376);
  --chart-2: oklch(.696 .17 162.48);
  --chart-3: oklch(.769 .188 70.08);
  --chart-4: oklch(.627 .265 303.9);
  --chart-5: oklch(.645 .246 16.439);

  --sidebar: oklch(.205 0 0);
  --sidebar-foreground: oklch(.985 0 0);
  --sidebar-primary: oklch(.488 .243 264.376);
  --sidebar-primary-foreground: oklch(.985 0 0);
  --sidebar-accent: oklch(.269 0 0);
  --sidebar-accent-foreground: oklch(.985 0 0);
  --sidebar-border: oklch(1 0 0 / 10%);
  --sidebar-ring: oklch(.556 0 0);

  --panel-3: oklch(.269 0 0);
  --on-bad: #fff;

  /* Do lai cho nen toi — gia tri ban Toi cu, deu dat AA tren oklch(.145 0 0). */
  --ok: #35c07a;      --ok-text: #35c07a;
  --warn: #e8b930;    --warn-text: #e8b930;
  --tin: var(--tin-text);     --tin-text: var(--tin-text);
  --bad-text: #f0555a;
  --chip-tin: #8ec5ff; --chip-do: #ff9d9d;
  --chip-vang: #ffd28a; --chip-tim: #b8a6ff;
}

/*
 * ══ TIEU DE: NEO THEO VAI TRO, KHONG THEO THE ═══════════════════════════════
 *
 * ── DO THAT ───────────────────────────────────────────────────────────────
 * Dot doi cap the tieu de (cho dung ngu nghia: mot h1 moi man, khong bo cap)
 * lam CHIN quy tac CSS im lang mat tac dung — chung neo vao `h3`/`h4` cu.
 * Bo kiem xanh, phep do ngu nghia sach, chi co anh chup moi lo ra mot cai
 * (ten the phien), va tam cai con lai phai quet CSS moi thay.
 *
 * Nay moi quy tac tieu de trong tep nay dung `:is(h1, h2, h3, h4)`: no neo vao
 * VAI TRO "tieu de cua khoi nay", khong vao mot con so co the doi.
 */
* { box-sizing: border-box; }

/*
 * BAT BUOC. Thuoc tinh hidden cua HTML chi la 'display: none' o bang kieu mac dinh
 * cua trinh duyet, nen BAT KY quy tac display nao cua minh cung de lam no vo hieu
 * (vi du '#login { display: grid }'). Khi do man hinh dang nhap khong bao gio an di
 * ma cung khong bao loi gi — chi thay giao dien bi day xuong duoi man hinh.
 */
[hidden] { display: none !important; }

/*
 * ── LOP NEN — chep tu `@layer base` cua template ──────────────────────────
 *
 * Template dat co chu goc 16px/1.5 (mac dinh cua Tailwind), khong phai 15px.
 * Mot pixel nghe nho nhung no keo lech CA thang chu: moi bac rem deu tinh tu
 * day. Sai goc thi khong the "giong het" duoc.
 */
* { border-color: var(--border); }

:focus-visible { outline: 2px solid color-mix(in oklch, var(--ring) 50%, transparent); outline-offset: 1px; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: var(--chu-base);
  line-height: 1.5;
  background: var(--background);
  color: var(--foreground);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Template co dung quy tac nay — man net cao doi sang khu rang phu diem anh. */
@media (-webkit-min-device-pixel-ratio: 1.5), (min-resolution: 144dpi) {
  body { -webkit-font-smoothing: subpixel-antialiased; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important; animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -.01em; }
h2 { font-size: var(--chu-base); }
h3 { font-size: var(--chu-base); }
.muted { color: var(--muted); font-size: var(--chu-sm); }
.hint { color: var(--muted); font-size: var(--chu-sm); margin: var(--k-1) 0 var(--k-3); line-height: 1.5; }
.error { color: var(--bad-text); font-size: var(--chu-sm); }

/* ---------- dang nhap ---------- */
.screen { min-height: 100vh; }
#login { display: grid; place-items: center; padding: var(--k-4); }
.login-card { width: min(390px, 100%); box-shadow: var(--shadow); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: var(--k-6); }

label { display: block; margin: var(--k-3) 0; font-size: var(--chu-sm); color: var(--muted); font-weight: 500; }

input, select, textarea {
  display: block; width: 100%; margin-top: var(--k-1); padding: var(--k-2) var(--k-3);
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--line); border-radius: var(--radius-md); font: inherit; transition: border-color .12s;
}
input:hover, select:hover { border-color: var(--panel-3); }
input:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }

button, .file-btn {
  font: inherit; font-weight: 500; cursor: pointer; white-space: nowrap;
  padding: var(--k-2) var(--k-4); border-radius: var(--radius-md); border: 1px solid transparent;
  transition: filter .12s, background .12s;
}
button:hover:not(:disabled), .file-btn:hover { filter: brightness(1.12); }
button.primary, .file-btn { background: var(--accent); color: var(--on-accent); }
button.ghost { background: var(--panel-2); color: var(--text); border-color: var(--line); }
button.danger { background: var(--bad-nut); color: var(--on-bad); }
button.big { padding: var(--k-3) var(--k-5); font-size: var(--chu-base); }
button.sm { padding: var(--k-1) var(--k-2); font-size: var(--chu-sm); }
/*
 * Nut mo: DOI MAU chu khong lam nhat di.
 *
 * `opacity: .45` tren nut cam nen trang cho ra chu trang tren cam nhat — do
 * duoc 1,6:1, gan nhu khong doc noi. Nguoi dung bam hoai roi tuong may treo.
 * Nay nut mo trong nhu mot nut khac han: nen xam, chu xam dam, van doc duoc.
 */
button:disabled, .file-btn:disabled {
  cursor: not-allowed; opacity: 1;
  background: var(--muted-bg); color: var(--muted-foreground);
  border-color: var(--line); box-shadow: none;
}
.file-btn { display: inline-block; }

/* ---------- khung: thanh ben + vung noi dung ----------
 *
 * Truoc day bay tab xep NGANG tren mot hang. Ba cai gia phai tra:
 *   1. Hang tab an het chieu ngang nen dai trang thai luong bi day xuong hang
 *      thu hai — tren cua so hep no bien mat han.
 *   2. Khong nhom duoc theo viec: "Bang thong" nam canh "Cai dat" nhu the
 *      chung cung loai.
 *   3. Them mot man hinh la mot lan chen chuc.
 *
 * Thanh ben luon nhin thay, nhom duoc theo viec, va tra lai ca chieu cao cho
 * noi dung — dung cai dang bi thieu.
 */
:root { --rail: 15rem; --dau: 3.25rem; }

#app { display: grid; grid-template-columns: var(--rail) minmax(0, 1fr); min-height: 100vh; }
.khung { min-width: 0; display: flex; flex-direction: column; }

.rail { position: sticky; top: 0; height: 100vh; z-index: 20;
  display: flex; flex-direction: column; gap: var(--k-1);
  padding: var(--k-3) var(--k-3) var(--k-3); background: var(--panel);
  border-right: 1px solid var(--line); overflow-y: auto; }

.brand { display: flex; align-items: center; gap: var(--k-2); font-weight: 700;
  letter-spacing: -.02em; padding: 0 var(--k-2) var(--k-4); color: var(--text); }
.brand svg { color: var(--accent); flex: none; }

.rail nav { display: flex; flex-direction: column; gap: 0; }
.rail-nhom { font-size: var(--chu-xs); font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted);
  padding: var(--k-4) var(--k-2) var(--k-1); }
.rail-nhom:first-child { padding-top: 0; }

/*
 * Muc dang mo va muc dang re chuot phai KHAC NHAU nhin thay ngay.
 * Truoc day ca hai deu la mot vien pill co nen — nhin anh chup tinh khong doan
 * duoc dang o dau. Nay: dang mo = nen dam + vach cam ben trai; re chuot = doi
 * nen, giu mau chu. Hai tin hieu khac loai, khong nham duoc.
 */
.rail .tab { display: flex; align-items: center; gap: var(--k-2); width: 100%;
  text-align: left; background: transparent; color: var(--muted);
  padding: var(--k-2) var(--k-2); border-radius: var(--radius-md); border: 0;
  box-shadow: inset 2px 0 0 transparent; font-weight: 500; }
.rail .tab svg { flex: none; opacity: .8; }
.rail .tab > span:first-of-type { flex: 1; min-width: 0; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; }
.rail .tab:hover:not(.active) { background: var(--panel-2); color: var(--text); }
.rail .tab.active { background: var(--accent-dim); color: var(--accent-text);
  box-shadow: inset 2px 0 0 var(--accent); font-weight: 600; }
.rail .tab.active svg { opacity: 1; }

.rail-chan { margin-top: auto; padding-top: var(--k-3); display: grid; gap: var(--k-2);
  border-top: 1px solid var(--line); }
.rail-chan select { width: 100%; margin: 0; padding: var(--k-1) var(--k-2); font-size: var(--chu-sm); }
.rail-ai { display: flex; align-items: center; gap: var(--k-2); min-width: 0; }
.rail-ai .muted { flex: 1; min-width: 0; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; font-size: var(--chu-xs); }

header {
  display: flex; align-items: center; gap: var(--k-4); min-height: var(--dau);
  padding: var(--k-2) var(--k-6); background: var(--panel);
  border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20;
}
header .right { margin-left: auto; display: flex; align-items: center; gap: var(--k-2); }
/* Dau trang trong khi KHONG co phien nao chay: dung de mot dai rong cao 52px.
 * `:has` de chinh no bien mat, khong phai them mot co trong ma JS. */
/* Bo `min-height: 0`: de dau trang LUON cao dung `--dau` o ca hai trang thai.
 * Chi khi do `--dau` moi la chieu cao THAT, va cac thanh dinh neo theo no moi
 * khop — mot ben tu co lai theo noi dung thi con so kia thanh mot loi doan. */
header:not(:has(.nav-live:not([hidden]))) { padding: var(--k-1) var(--k-6); }
/*
 * `--dau` PHAI THEO trang thai that cua dau trang.
 *
 * Khong phien nao chay thi dau trang thu lai con ~2rem. Cac thanh dinh khac
 * (`.ct-dau`) neo theo `--dau`, nen giu no o 3,25rem se de mot khe ho hai chuc
 * pixel cho noi dung chay qua ben duoi.
 */
/* `:has` KHONG long duoc trong `:has` — ban dau viet
 * `:root:has(header:not(:has(.nav-live:not([hidden]))))` va ca quy tac im lang
 * khong khop gi, de lai mot khe ho 13px. Bam thang vao co `hidden` cua dai. */
:root:has(#nav-live[hidden]) { --dau: 2.4rem; }

@media (max-width: 900px) {
  #app { grid-template-columns: minmax(0, 1fr); }
  .rail { position: static; height: auto; flex-direction: row; flex-wrap: wrap;
    align-items: center; border-right: 0; border-bottom: 1px solid var(--line); }
  .rail .brand { padding: 0 var(--k-2) 0 var(--k-1); }
  .rail nav { flex-direction: row; flex-wrap: wrap; flex: 1; }
  .rail-nhom { display: none; }
  .rail-chan { margin: 0 0 0 auto; padding: 0; border: 0;
    grid-auto-flow: column; align-items: center; }
  .rail-chan select { width: auto; }
}

/*
 * Tab dang mo va tab dang re chuot phai KHAC NHAU nhin thay ngay.
 *
 * Truoc day ca hai deu la mot vien pill co nen — nhin anh chup tinh khong doan
 * duoc dang o tab nao. Nay: dang mo = chu cam + gach chan; re chuot = doi nen,
 * giu mau chu. Hai tin hieu khac loai, khong nham duoc.
 */
.tab { background: transparent; color: var(--muted); padding: var(--k-2) var(--k-3);
  border-radius: 9px 9px 0 0; border-bottom: 2px solid transparent; }
.tab:hover:not(.active) { background: var(--panel-2); color: var(--text); }
.tab.active { background: var(--accent-dim); color: var(--accent-text);
  border-bottom-color: var(--accent); font-weight: 600; }

/* ---------- dai trang thai luong tren thanh nav ----------
 * Buoi live 2-3 tieng thi phan lon thoi gian chu shop o tab khac. Truoc day
 * sau tren bay tab khong co cho nao cho biet luong con song, va muon dung gap
 * thi phai bam ve tab Phien phat roi mo phien ra.
 */
.nav-live { display: flex; align-items: center; gap: var(--k-2); flex-wrap: wrap;
  padding: var(--k-1) var(--k-1) var(--k-1) var(--k-2); border-radius: 999px;
  background: var(--panel-2); border: 1px solid var(--line); }
.nav-live .nl-ten { background: none; border: 0; padding: 0 var(--k-1);
  color: var(--text); font: inherit; font-weight: 600; cursor: pointer;
  max-width: 15rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-live .nl-ten:hover { text-decoration: underline; }
.nav-live .nl-so { font-size: var(--chu-xs); color: var(--muted);
  font-variant-numeric: tabular-nums; white-space: nowrap; }
/* Duoi 1,0x nghia la ffmpeg khong theo kip thoi gian that — luong tut dan roi
 * Shopee ngat. Day la thu duy nhat o dai nay duoc phep doi mau. */
.nav-live .nl-so.cham-qua { color: var(--bad-text); font-weight: 600; }
@media (max-width: 1240px) { .nav-live .nl-so { display: none; } }

/* Cua so 1920 ma noi dung khoa o 1400 la bo phi 520px — dung cai nguoi dung
 * keu "trong". Rong ra, nhung van co tran de dong chu khong dai qua muc doc. */
/*
 * `main` LA MOT FLEX ITEM (cha `.khung` la flex row).
 *
 * Nen `max-width` + `margin: 0 auto` KHONG keo gian no — flex item mac dinh co
 * lai vua noi dung roi tu can giua. Hau qua do duoc tren cua so 1920: tab co
 * bang rong thi `main` = 1665px va noi dung bat dau o x=218; tab noi dung hep
 * thi `main` co con 871px va troi vao giua, bat dau o x=637.
 *
 * Tuc moi tab le mot kieu, va nua man hinh bo trong — dung cai nguoi dung keu
 * "card trong chiem cho bat hop ly". Do la LOI BO CUC, khong phai loi tung the.
 *
 * `flex: 1` de no chiem het phan con lai; `min-width: 0` de bang rong khong day
 * ca khung phinh ra (mac dinh flex item khong co nho hon noi dung).
 */
main { flex: 1; min-width: 0; padding: var(--k-6) var(--k-6); max-width: 1760px; }
/*
 * TIEU DE TRAI, NUT GOM BEN PHAI.
 *
 * `space-between` chia deu KHOANG TRONG giua moi con, nen mot thanh co bon con
 * ("San pham" + ba nut) bay ra bon vat the roi rac giua man hinh — mat khong
 * gom duoc chung thanh mot nhom hanh dong. Voi hai con thi ket qua y het cai
 * cu, nen doi nay khong dong gi den cac thanh khac.
 */
.toolbar { display: flex; align-items: center; margin-bottom: var(--k-4); gap: var(--k-2); }
.toolbar > :first-child { margin-right: auto; }

/* ---------- hang so lieu tong quan ---------- */
.tiles { display: grid; gap: var(--k-3); grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); margin-bottom: var(--k-5); }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  padding: var(--k-3) var(--k-4); display: flex; flex-direction: column; gap: 0; }
/* Dong phu duoi nhan: canh bao ve do day du cua con so, khong phai mot nhan
   thu hai. Nho hon va mo hon de mat doc nhan truoc. */
/* "Dang chieu" tren the phien o Bang dieu hanh: mot hang chu, khong phai mot
   khoi so — no la cau tra loi cho "shop nay dang phat cai gi", doc mot lan. */
.dp-chieu { display: flex; align-items: baseline; gap: var(--k-2); flex-wrap: wrap;
  font-size: var(--chu-sm); margin: 2px 0 var(--k-1); }
.dp-chieu-nhan { font-size: var(--chu-xs); font-weight: 700; text-transform: uppercase;
  letter-spacing: .06em; color: var(--muted); }
.tile-phu { display: block; font-size: var(--chu-xs); color: var(--muted); opacity: .8;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
/* O "Can chu y" la mot cai NUT, nen chu trong no phai canh trai nhu the khac. */
button.tile { text-align: left; font: inherit; cursor: pointer; }
button.tile:disabled { cursor: default; }
.tile b { font-size: var(--chu-2xl); font-weight: 600; letter-spacing: -.02em; line-height: 1.25;
  font-variant-numeric: tabular-nums; }
.tile span { font-size: var(--chu-xs); color: var(--muted); }
.tile.live b { color: var(--ok-text); }
.tile.alert b { color: var(--bad-text); }

/* ---------- hang phien ----------
 *
 * Truoc day day la the doc cao 290px, hai cai mot hang: anh bia 116px + ten +
 * so lieu + nut. Ba phien la day mot man hinh, va "Can chu y" — cho noi viec
 * dang phai lam — bi day xuong duoi nep gap.
 *
 * Cung tung ay thong tin, xep NGANG thanh mot hang cao 60px: anh bia thu nho,
 * ten + trang thai, tien do, so lieu, nut. Muoi phien van nam gon trong mot man.
 */
/*
 * `.ds-phien`, KHONG phai `.grid`.
 *
 * Loi da mac trong chinh lan sua nay: doi nghia cua lop chung `.grid` thanh
 * mot cot. `#kb-list` cung dung `.grid`, nen 14 the kich ban tu bon cot roi
 * xuong MOT cot — trang Ban hang cao 7.369px, hon tam man cuon. Lop chung thi
 * dung chung; muon doi bo cuc thi dat lop rieng.
 */
.grid { display: grid; gap: var(--k-4);
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
/*
 * THE PHIEN XEP THEO LUOI, khong phai moi cai mot dai tran man hinh.
 *
 * Ban cu la MOT cot: mot phien "san sang" chi co ten, ten shop, "1 video · 59s"
 * va hai nut — chung do chu nghia nam tren mot the rong 1.330px, nen giua the
 * la ~700px trong. Ba phien la ba dai trong nhu the xep chong.
 *
 * Nay the tu xep theo be rong: man rong thi ba the mot hang, man hep thi mot.
 *
 * NGOAI TRU phien DANG PHAT — the do mang theo dai tien do (dang chieu video
 * nao, den phut nao, con bao lau, tiep theo la gi) va con so ky thuat. Cai do
 * can ca chieu ngang, va no cung la cai duy nhat dang duoc nhin lau.
 */
/*
 * `auto-fit` + TRAN TREN, khong phai `auto-fill` + `1fr`.
 *
 * `auto-fill` giu lai ca nhung cot RONG: bon the trong mot luoi nam cot thi cot
 * thu nam van chiem cho, va dai the dung ngan o 4/5 be ngang — trong dung cai
 * cho nguoi dung dang che.
 *
 * `auto-fit` thu cac cot rong lai va cho the con lai gian ra cho vua. Nhung
 * gian KHONG GIOI HAN thi mot the don lai keo dai 1.300px — dung cai benh cu.
 * Nen tran tren nam o CHINH CAI THE (`max-width`), khong o mo ta cot.
 *
 * Vi sao khong `minmax(24rem, 34rem)`: so cot cua `auto-fit` duoc tinh bang ve
 * TREN khi ve do la mot do dai xac dinh. Dat 34rem thi mot khung 1.023px chi
 * ra HAI cot thay vi ba — it the hon tren mot hang, tuc nguoc dung dieu dang
 * muon. `1fr` khong xac dinh nen so cot tinh theo ve DUOI.
 */
/*
 * FLEX-WRAP, KHONG PHAI GRID auto-fit.
 *
 * Do that tren man 1920px cua chu shop: luoi `auto-fit` voi hai the thi hai cot
 * rong deu bi thu lai, hai cot con lai moi cot ~660px, ma the bi tran
 * `max-width` chan o 416px — nen giua hai the la mot LO 244px. Voi `auto-fill`
 * thi nguoc lai: cac cot rong o lai va dai the dung ngan o mot phan ba man.
 *
 * Flex giai duoc ca hai: `flex: 1 1 <co co ban>` cho the gian ra lap kin hang
 * khi it, `max-width` chan khong cho no dai qua muc, va phan du don HET ve ben
 * PHAI — khong bao gio thanh mot lo o giua.
 */
.ds-phien { display: flex; flex-wrap: wrap; gap: var(--k-2); align-items: flex-start; }
.ds-phien > .stream-card { flex: 1 1 24rem; max-width: 42rem; }
/*
 * PHIEN DANG PHAT KHONG AN HET HANG NUA.
 *
 * Ban truoc cho no `grid-column: 1 / -1`. Tren may chu that co HAI phien chay
 * xen ke voi phien nhap, ket qua la: mot dai tran man, roi mot the hep nam mot
 * minh voi 680px trong ben phai, roi lai mot dai tran man. Dung hai cau chu
 * shop chui: "card phien phat van dai ca so" va "trong hoac".
 *
 * Nay moi the bang nhau; the dang phat chi CAO hon vi no mang them dai tien do.
 */
.ds-phien > .nhom-cu { flex: 1 1 100%; }
/* Phien da dung nam trong mot the gap — luoi nam o `div` ben trong, khong dat
   tren chinh `details` (xem chu thich cho `.nhom-cu` trong app.js). */
/*
 * The HEP thi nut xuong dong duoi, khong chen canh ten.
 *
 * Xep ngang trong mot o 24rem thi ten phien con ~120px — "Kiem khep kin
 * 01:57:57" bi cat con "Kiem khep…". Ten la thu de phan biet hai phien, nut la
 * thu bam sau khi da phan biet duoc; nen ten giu nguyen hang, nut xuong duoi.
 */
/*
 * MOT BO CUC CHO CA HAI LOAI THE — ba hang, hai cot.
 *
 *   [anh] [ten · chip · so video · dai tien do]
 *   [   ] [toc do · kbps · da phat]
 *   [   ] [                    nut]
 *
 * The dang nghi khong co hai hang duoi (chung rong), nen no tu thap lai. Truoc
 * day hai loai the dung hai bo cuc khac han, va do la ly do mot cai an het hang
 * con cai kia thi khong.
 */
.ds-phien > .stream-card {
  grid-template-columns: 64px minmax(0, 1fr); row-gap: var(--k-2); align-items: start; }
.ds-phien > .stream-card > .sc-poster { grid-row: 1 / span 3; align-self: center; }
.ds-phien > .stream-card > .sc-metrics { grid-column: 2; gap: var(--k-4); }
.ds-phien > .stream-card > .sc-foot { grid-column: 2; justify-content: flex-end; }
/*
 * TRONG THE HEP, TEN AN NGUYEN MOT DONG.
 *
 * Do duoc: hang `.sc-dau` rong 314px, ma ten can 167 + ten shop 76 + trang thai
 * 82 + hai khe 18 = 343. Flex giai bang cach BOP cai co the bop — tuc la ten —
 * nen ca hai phien "Kiem khep kin 01:57:57" va "… 04:16:49" deu hien
 * "Kiem khep kin 01…". Chinh cai duoi ten la thu phan biet chung.
 *
 * `flex-basis: 100%` bat ten chiem tron dong dau; ten shop va trang thai xuong
 * dong duoi. Ten dai qua van cat bang dau ba cham, nhung cat o 314px thay vi
 * o 138px.
 */
/*
 * Neo bang `:is(h1,h2,h3)`, KHONG bang mot the cu the.
 *
 * Quy tac nay tung viet `> h3`. Khi cap tieu de doi lai cho dung ngu nghia
 * (h3 -> h2), no im lang mat tac dung: ten phien khong con chiem tron hang
 * nen huy hieu "Shop chinh" don len cung dong. Do that tren anh chup.
 *
 * Cung ho voi loi neo theo chi so cot da gap bon lan: neo vao mot chi tiet co
 * the doi, thay vi vao vai tro.
 */
.ds-phien > .stream-card .sc-dau > :is(h1, h2, h3) { flex: 1 0 100%; }
.stream-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-lg);
  cursor: pointer; transition: border-color .14s, background .14s;
  display: grid; align-items: center; gap: var(--k-4); padding: var(--k-2) var(--k-3);
  grid-template-columns: 64px minmax(0, 1fr) auto auto; }
.stream-card:hover { border-color: var(--accent); background: var(--panel-2); }
.stream-card.on { border-color: var(--ok-vien); }

.sc-poster { width: 64px; aspect-ratio: 16/10; border-radius: var(--radius-sm);
  background: var(--panel-2) center/cover no-repeat;
  position: relative; display: grid; place-items: center; flex: none; }
.sc-poster .ph { color: var(--muted); font-size: var(--chu-lg); opacity: .35; }

.sc-body { display: flex; flex-direction: column; gap: var(--k-1); min-width: 0; }
/* Cho phep XUONG DONG: trong mot the 26rem, ten phien + ten shop + trang thai
   khong du cho tren mot hang, va khong wrap thi trinh duyet bop cai the trang
   thai thanh hai dong ("San / sang") roi cat not ten phien. */
.sc-dau { display: flex; align-items: center; gap: var(--k-2) var(--k-2); min-width: 0;
  flex-wrap: wrap; }
/* `flex-shrink: 0` — de ten phien DAY cai the trang thai xuong dong duoi thay
   vi tu co lai roi bi cat. Hai phien chi khac nhau o duoi ten ("… 01:57:57" so
   voi "… 04:16:49") ma ca hai deu hien "Kiem khep kin 0…" thi cot ten thoi
   phan biet duoc gi. */
.sc-dau > :is(h1, h2, h3) { flex: 1 0 8rem; }
/* Giu nguyen co chu cua ten the phien sau khi doi cap the. */
.sc-dau > :is(h1, h2, h3) { font-size: var(--chu-base); }
.sc-body :is(h1, h2, h3, h4) { overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-size: var(--chu-base); }
.sc-phu { display: flex; align-items: center; gap: var(--k-3); flex-wrap: wrap;
  font-size: var(--chu-xs); min-width: 0; }
.sc-phu .muted { font-size: var(--chu-xs); }
.sc-metrics { display: flex; gap: var(--k-5); }
.sc-metrics div { display: flex; flex-direction: column; }
.sc-metrics b { font-size: var(--chu-base); font-variant-numeric: tabular-nums; }
.sc-metrics span { font-size: var(--chu-xs); color: var(--muted); }
.sc-foot { display: flex; align-items: center; gap: var(--k-2); }

@media (max-width: 860px) {
  .stream-card { grid-template-columns: 48px minmax(0, 1fr) auto; }
  .stream-card > .sc-metrics { display: none; }
}

.badge { display: inline-flex; align-items: center; gap: var(--k-1);
  padding: var(--k-1) var(--k-2); border-radius: 999px; white-space: nowrap; flex: none;
  font-size: var(--chu-xs); font-weight: 600; background: var(--muted-bg); color: var(--muted-foreground); }
.badge.running { background: var(--ok-nen); color: var(--ok-text); }
.badge.reconnecting, .badge.starting { background: var(--warn-nen); color: var(--warn-text); }
.badge.failed { background: var(--bad-nen); color: var(--bad-text); }
.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.running::before { animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .25; } }

.warn-line { color: var(--warn-text); font-size: var(--chu-xs); }
.bad-line { color: var(--bad-text); font-size: var(--chu-xs); }

/* ---------- thu vien video ----------
 * Cac quy tac `.vcard` / `.vgrid` (the doc 190x300px) da go: thu vien gio la
 * BANG, xem `.v-bang` o cuoi file. Giu lai chung thi nguoi doc sau tuong bo cuc
 * the con hoat dong — va dung theo kieu do ma dau hieu bam-de-xem tren anh thu
 * nho da bi mat mot luot.
 */

/* ---------- bang ---------- */
table { width: 100%; border-collapse: collapse; background: var(--panel);
  border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
/* Dem o bang: .65rem tren duoi cho ra hang cao 75px voi mot dong chu — nhan
 * len 14 hang la mot man hinh chi de dung dem. .42rem van du thoang de doc va
 * lay lai ~15% chieu cao moi bang tren ca ung dung. */
th, td { text-align: left; padding: var(--k-2) var(--k-3); border-bottom: 1px solid var(--line); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--panel-2); }
th { color: var(--muted); font-weight: 500; font-size: var(--chu-xs); background: var(--panel-2); }
td.right, th.right { text-align: right; }

.bar { height: 7px; background: var(--panel-3); border-radius: var(--radius-sm); overflow: hidden; margin: var(--k-2) 0; }
.bar > div { height: 100%; width: 0; background: var(--accent); transition: width .25s; }

/* ---------- trang thai rong ---------- */
.empty { color: var(--muted); text-align: center; padding: var(--k-12) var(--k-6);
  background: var(--panel); border: 1px dashed var(--line); border-radius: var(--r); }
.empty .big-icon { font-size: var(--chu-3xl); display: block; margin-bottom: var(--k-2); opacity: .5; }
.empty b { display: block; color: var(--text); margin-bottom: var(--k-1); font-size: var(--chu-base); }

/* ---------- ngan chi tiet ---------- */
/* ---------- ban dieu khien phien ----------
 * Truoc day day la mot NGAN HEP ben phai (540px) trong cua so 1568px: bo phi
 * 2/3 man hinh, va chin khoi gap chong nhau cao 2.258px trong mot cua so 851px.
 * Moi thao tac deu phai cuon roi mo gap. Nay la mot LUOI TOAN MAN HINH — cai
 * nao hay dung thi luon mo va nam tren, cai nao la cau hinh thi gap va nam duoi.
 */
/*
 * BA TANG, khong phai mot luoi tha noi.
 *
 * Truoc day ca ngan la MOT luoi auto-fill: moi khoi tu tim cho. Do duoc tren
 * anh chup: mo mot khoi ra thi ba khoi cung hang dung nguyen, de lai mot vung
 * trang rong het chieu ngang cao ~150px — cang dung cang thung lo. Va "Xoa
 * phien" thi troi giua vung trang do, canh cac nut hay bam.
 *
 * Nay chia theo VIEC:
 *   tang 1 — dai so lieu + dang phat  : het chieu ngang, luon nhin thay
 *   tang 2 — ba viec lam trong luc phat: luoi 12 cot, ti le co dinh
 *   tang 3 — cau hinh va so sach       : XEP DOC, nen khong bao gio thung lo
 */
/*
 * Ngan dieu khien KHONG che thanh dieu huong.
 *
 * Truoc day no phu kin man hinh: dang live ma muon liec Tinh trang hay sua gia
 * o Ban hang la hai lan bam di, hai lan bam ve — va mat luon khung xem truoc
 * trong luc do. Doi thu giu nguyen thanh ben trong suot buoi. Nay chua tu dinh
 * thanh nav (~60px) tro xuong.
 */
.drawer { position: fixed; inset: var(--dau) 0 0 var(--rail); background: var(--bg);
  z-index: 30; display: flex; flex-direction: column; }
@media (max-width: 900px) { .drawer { inset: 0; } }
.drawer-inner { flex: 1; overflow-y: auto; padding: 0 var(--k-6) 40px;
  display: flex; flex-direction: column; gap: var(--k-4); }

/* `stretch` chu khong `start`: ba khoi cao khac nhau thi khoi thap de lai mot
 * vung trang bang chieu cao chenh lech — do duoc ~300px o goc duoi trai. Keo
 * nen khoi xuong het hang thi khong con lo, va danh sach binh luan cung co san
 * cho de dai ra khi nguoi xem bat dau hoi. */
/*
 * `align-items: start`, KHONG phai `stretch`.
 *
 * Quy tac cu keo gian ba khoi cho bang khoi cao nhat. Ly do ban dau la DANH
 * SACH BINH LUAN nam trong day va can cho de dai ra — nhung no da chuyen vao
 * buong lai (`.buong-bl`) tu lau. Ly do mat roi, quy tac o lai.
 *
 * Do duoc: ca ba khoi deu cao DUNG 513px. "Cach tra loi binh luan" chua mot o
 * danh dau va mot o so — rong khoang 90%. "San pham dang ghim" cung the. Gan
 * 800px trong tren mot man hinh cao 799px, va no day cac khoi thao tac xuong
 * duoi nep gap.
 *
 * Ai doi lai `stretch`: kiem xem danh sach binh luan da quay ve day chua. Neu
 * chua thi dung doi.
 */
.dk-lam { display: grid; gap: var(--k-4); align-items: start;
  grid-template-columns: repeat(12, minmax(0, 1fr)); }
.dk-lam > details { display: flex; flex-direction: column; }
.dk-lam > details > summary { flex: none; }

.dk-lam > #d-bl-box    { grid-column: span 6; }
.dk-lam > #d-ghim-box  { grid-column: span 6; }
@media (max-width: 1280px) {
  .dk-lam { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dk-lam > #d-bl-box, .dk-lam > #d-ghim-box { grid-column: span 1; }
}
@media (max-width: 820px) {
  .dk-lam { grid-template-columns: minmax(0, 1fr); }
}

/*
 * Cau hinh va so sach: thanh GAP LAI xep vua man, MO RA thi chiem ca hang.
 *
 * Xep ngang co dinh thi mo mot khoi la ba khoi cung hang dung nguyen, de lai
 * mot vung trang rong het chieu ngang — do duoc tren anh chup, cao ~150px.
 * Xep doc mot cot thi khong thung lo nua nhung bo trong ca nua ben phai.
 *
 * `details[open]` cho ca hang, cong `dense`, giai quyet ca hai: dong lai thi
 * nam gon 4-5 cai mot hang, mo ra thi duoc ca chieu rong de doc.
 */
/*
 * `.dk-phu` la MOT COT cac nhom; moi nhom co luoi rieng cua no.
 *
 * Ban truoc de ca bay khoi trong CUNG mot luoi `auto-fit`, nen nhan nhom chi
 * la mot dong chu troi giua dong chay — sau nhan "Dung moi ngay" van la sau o
 * xep lien nhau, va bon o cua nhom khac nam ngay canh Hen gio. Nhan khong cat
 * duoc gi thi no khong phai nhan.
 */
.dk-phu { display: flex; flex-direction: column; gap: 0; }
.dk-luoi { display: grid; gap: var(--k-2); align-items: start;
  grid-auto-flow: row dense;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.dk-phu > .khu-nguy-hiem { align-self: stretch; margin-top: var(--k-4); }
.dk-luoi > details[open] { grid-column: 1 / -1; }
/*
 * NHAN NHOM — mot hang chu vat het be ngang, cat day the thanh ba cum.
 *
 * Khong ke o giua: bay o giong het nhau thi mat khong bam duoc dau la thu dung
 * moi ngay. Cai duy nhat can la mot cai moc de mat dung lai.
 */
.dk-nhom { margin: var(--k-4) 0 var(--k-2);
  display: flex; align-items: baseline; gap: var(--k-2);
  font-size: var(--chu-xs); font-weight: 700; text-transform: uppercase;
  letter-spacing: .09em; color: var(--muted); }
.dk-nhom::after { content: ''; flex: 1; height: 1px; background: var(--line); }
.dk-nhom-y { font-size: var(--chu-xs); font-weight: 400; text-transform: none;
  letter-spacing: 0; color: var(--muted); opacity: .75; }
.dk-nhom:first-child { margin-top: 0; }

/* Dau bang: ten phien, trang thai, va NUT CHINH — luon nhin thay, khong phai
 * cuon xuong day moi bam duoc Dung nhu truoc. */
.drawer-head { position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: var(--k-4); flex-wrap: wrap;
  margin: 0 -var(--k-6) 0; padding: var(--k-3) var(--k-6);
  background: var(--panel); border-bottom: 1px solid var(--line); }
.drawer-head :is(h1, h2, h3, h4) { margin: 0; font-size: var(--chu-lg); letter-spacing: -.02em; }
.drawer-actions { display: flex; gap: var(--k-2); align-items: center; flex-wrap: wrap;
  margin-left: auto; }

/* Loi thoat "tao phien MOI ben Shopee" — chi hien khi bi chan, va phai trong
   nhu mot canh bao chu khong nhu mot tuy chon binh thuong: tick nham la mot
   phien thua tren gian hang that. */
.ep-tao { display: inline-flex; align-items: center; gap: var(--k-1);
  font-size: var(--chu-sm); color: var(--warn-text); border: 1px solid var(--warn);
  border-radius: var(--radius-md); padding: var(--k-1) var(--k-2); cursor: pointer; }

details { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: var(--k-3) var(--k-4); margin: 0; align-self: start; }
details[open] { padding-bottom: var(--k-4); }
summary { cursor: pointer; font-weight: 600; font-size: var(--chu-base); list-style: none;
  display: flex; align-items: center; gap: var(--k-2); }
summary::-webkit-details-marker { display: none; }
summary::before { content: '\25B8'; color: var(--muted); font-size: .8em; }
details[open] > summary::before { content: '\25BE'; }

/* Khoi rong: nhung thu vua dai vua hay dung. Ti le do .dk-lam dat. */
.het-hang { grid-column: 1 / -1; }

/* ---------- dai so lieu ban hang ----------
 * Nguoi xem · thich · binh luan · don · doanh thu — LY DO DUY NHAT de ngoi
 * canh mot phien hai tieng. Truoc day chung nam trong mot khoi gap lai o duoi,
 * nen mo trang ra la mot dau gach ngang va khong ai bam mo.
 */
.kpi { display: flex; align-items: center; gap: var(--k-4); flex-wrap: wrap;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: var(--k-3) var(--k-4); }
/* Cac o keo sat nhau, KHONG trai deu het chieu ngang: nam con so cach nhau
 * 280px thi mat phai chay qua ca man hinh de doc mot dong. */
.kpi-o { display: flex; flex-wrap: wrap; gap: var(--k-1) var(--k-12); flex: 1; min-width: 0; }
.kpi-o > div { display: flex; flex-direction: column; min-width: 5.5rem; }
.kpi-o b { font-size: var(--chu-2xl); font-weight: 600; letter-spacing: -.02em;
  line-height: 1.25; font-variant-numeric: tabular-nums;
  overflow: hidden; text-overflow: ellipsis; }
.kpi-o span { font-size: var(--chu-xs); color: var(--muted); }
.kpi-o .tien b { color: var(--ok-text); }
.kpi-o .chua b { color: var(--muted); font-weight: 500; }
.kpi-ben { display: flex; align-items: center; gap: var(--k-2); flex: none; }
.kpi-ben .muted { font-size: var(--chu-xs); }
/*
 * Chua doc duoc: noi VI SAO ngay tai cho — nhung CHI dong ly do mac ao canh
 * bao, khong phai ca dai.
 *
 * Truoc day ca khoi to nen vang vien vang, nen liec mot cai no doc thanh "co
 * loi" chu khong phai "day la bang diem cua phien". Bang diem thi luon phai
 * trong ra bang diem, ke ca khi chua co so.
 */
.kpi-vuong { flex-basis: 100%; font-size: var(--chu-sm); color: var(--warn-text);
  display: flex; align-items: center; gap: var(--k-2); flex-wrap: wrap;
  margin-top: var(--k-2); padding: var(--k-2) var(--k-3); border-radius: var(--radius-md);
  background: var(--warn-nen); }

/* Chua co so: mot dong, tra lai ~80px cho khung xem truoc va hang doi. */
.kpi.gon-mot-dong { padding: var(--k-2) var(--k-4); }
.kpi.gon-mot-dong .kpi-vuong { margin-top: 0; background: none; padding: 0; }
.kpi-chua { display: flex; align-items: baseline; gap: var(--k-2); flex-wrap: wrap; }
.kpi-chua b { font-size: var(--chu-sm); }
.kpi-chua span { font-size: var(--chu-sm); color: var(--muted); }

.live { background: linear-gradient(135deg, var(--panel), var(--panel-2));
  border: 1px solid var(--ok-nen); border-radius: var(--radius-lg); padding: var(--k-4) var(--k-4); margin-bottom: var(--k-3); }
.live-row { display: flex; align-items: center; gap: var(--k-3); }
.live-row.metrics { margin-top: var(--k-3); gap: var(--k-6); }
.live-row.metrics b { font-size: var(--chu-xl); display: block; font-variant-numeric: tabular-nums; }
.live-row.metrics label { margin: 0; font-size: var(--chu-xs); }
.notice { font-size: var(--chu-sm); margin: var(--k-2) 0 0; color: var(--warn-text); }

.queue { list-style: none; margin: var(--k-2) 0; padding: 0; }
.queue li { display: flex; align-items: center; gap: var(--k-2);
  background: var(--panel-2); border-radius: var(--radius-md); padding: var(--k-2) var(--k-2); margin-bottom: var(--k-1); }
.queue li img { width: 30px; height: 42px; object-fit: cover; border-radius: var(--radius-sm); background: var(--panel-3); }
.queue li .name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: var(--chu-sm); }
.queue li .dur { color: var(--muted); font-size: var(--chu-xs); font-variant-numeric: tabular-nums; }
.queue li button { padding: 0 var(--k-2); font-size: var(--chu-sm); }
.add-row { display: flex; gap: var(--k-2); align-items: center; margin: var(--k-2) 0; }
.add-row select, .add-row input { margin: 0; }

/* O danh dau: o vuong o TREN CUNG mot dong voi chu dau, chu chay tiep xuong
 * duoi thang le — khong phai chu bi ep thanh cot hep ben canh o vuong. Do
 * duoc: trong cot 300px, "Tu ghim theo video dang phat" vo thanh ba dong lech. */
label.inline { display: flex; align-items: center; gap: var(--k-2); margin: var(--k-2) 0;
  color: var(--text); line-height: 1.5; }

/* Nhan CO O DANH DAU thi khong dung flex: flex bien MOI doan chu thanh mot cot
 * rieng, nen trong cot 300px "Tu ghim theo video dang phat" vo thanh ba dong
 * lech nhau. Tha o vuong ra le trai va de chu chay quanh no nhu van ban thuong. */
label.inline:has(> input[type="checkbox"]:first-child),
label.inline:has(> input[type="radio"]:first-child) { display: block; }
label.inline > input[type="checkbox"]:first-child,
label.inline > input[type="radio"]:first-child {
  float: left; width: auto; margin: var(--k-1) var(--k-2) 0 0; }
label.inline::after { content: ''; display: block; clear: both; }
label.inline input { width: auto; margin: 0; }
label.inline > span.muted, label.inline .muted { font-weight: 400; }
/* Che do gon: bo luon phan giai thich trong ngoac o nhan va nhan phu. */
body.gon label.inline .muted,
body.gon .bl-tudong .muted,
body.gon summary + .hint { display: none; }

.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); display: inline-block; }
.dot.ok { background: var(--ok); }
.dot.bad { background: var(--bad); }

.log { list-style: none; margin: 6px 0 0; padding: 0; max-height: 280px; overflow-y: auto; }
.log li { display: flex; gap: var(--k-2); font-size: var(--chu-sm); padding: 6px 0; border-bottom: 1px solid var(--line); }
.log li:last-child { border-bottom: none; }
.log li time { color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
.log li .why { color: var(--bad-text); }

#d-name { cursor: text; }
.rename { cursor: text; border-bottom: 1px dashed transparent; }
.rename:hover { border-bottom-color: var(--muted); }
.mt { margin-top: var(--k-8); }
#member-table select { width: auto; margin: 0; padding: var(--k-1) var(--k-2); font-size: var(--chu-sm); }
#shop-table input { margin: 0; padding: var(--k-1) var(--k-2); }

.toast { position: fixed; bottom: var(--k-5); left: 50%; transform: translateX(-50%);
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: var(--k-3) var(--k-4); z-index: 40; max-width: min(560px, 92vw); box-shadow: var(--shadow); }
.toast.bad { border-color: var(--bad); color: var(--bad-text); }
.toast.ok { border-color: var(--ok); }

@media (max-width: 700px) {
  header { gap: var(--k-2); padding: var(--k-2) var(--k-4); }
  header nav { order: 3; width: 100%; overflow-x: auto; }
  main { padding: var(--k-4); }
  .drawer-inner { padding: var(--k-4); }
}

.panel-log { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  padding: var(--k-1) var(--k-4); max-height: none; }
.panel-log li { padding: var(--k-2) 0; }
.panel-log li .who { color: var(--muted); }
.panel-log li a { color: var(--accent-text); text-decoration: none; cursor: pointer; }
.panel-log li a:hover { text-decoration: underline; }

/* ── Tinh trang he thong ── */
.cham { display:inline-block; width:8px; height:8px; border-radius:50%;
        background:var(--do,var(--bad)); margin-left: var(--k-1); vertical-align:middle; }
/*
 * `auto-fit`, KHONG phai `auto-fill`.
 *
 * `auto-fill` giu lai cac cot RONG: do tren cua so 1600, dai nay tao 5 cot
 * 252px cho 3 o — ba o dung o 990px roi bo trong 320px con lai. `auto-fit` gom
 * cot rong lai nen cac o that gian ra day hang.
 *
 * `.tiles` da dung `auto-fit` tu dau — do la ly do dai KPI o cac man khac day
 * ma dai nay thi khong.
 */
.tt-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap: var(--k-3); }
.tt-o { border:1px solid var(--line); border-radius: var(--radius-lg); padding: var(--k-3) var(--k-3); background: var(--panel); }
.tt-o :is(h1, h2, h3, h4) { margin: 0 0 6px; font-size: var(--chu-xs); text-transform:uppercase; letter-spacing:.04em;
           color:var(--muted); }
.tt-o .so { font-size: var(--chu-2xl); font-weight:600; line-height: 1; }
.tt-o.co-loi { border-color: var(--bad-vien); background: var(--bad-nen); }
.tt-muc { border-left:3px solid var(--line); padding: var(--k-2) var(--k-3); margin: 10px 0;
          background:var(--panel-2); border-radius:0 8px 8px 0; }
.tt-muc.nang, .tt-muc.chet { border-left-color: var(--bad); background: var(--bad-nen); }
.tt-muc.canh-bao { border-left-color: var(--warn); background: var(--warn-nen); }
.tt-muc .ma { font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size: var(--chu-xs);
              color:var(--muted); }
.tt-muc .noi { margin: var(--k-1) 0; }
.tt-muc .lam { font-size: var(--chu-xs); color:var(--tin-text); }
.tt-muc .tu { font-size: var(--chu-xs); color: var(--ok-text); }
.tt-muc .chitiet { font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size: var(--chu-xs);
                   color:var(--muted); margin-top: var(--k-1); word-break:break-all; }
/*
 * Trang thai SACH la mot dong, khong phai mot khoang trong.
 *
 * `padding:24px` + can giua bien mot cau "khong co su co nao" thanh mot hop cao
 * ~120px. Do la tin TOT — no khong dang chiem cho bang mot danh sach su co that.
 */
.tt-sach { padding: var(--k-2) 0; color:var(--ok-text,var(--muted)); }
/*
 * SU CO: chot be rong, khong keo het man.
 *
 * Moi muc la ma loi + gio + mot cau nguoi doc + mot dong ffmpeg/Shopee nguyen
 * van — het thay ~500px chu trong mot dai 1.330px. Va chung xep chong nhau,
 * nen cai trong do lap lai theo so su co.
 */
#tt-danhsach { max-width: 62rem; }

/* ---------- tinh trang tung bo phan ----------
 * "Chua co su co nao" khong tra loi duoc cau hoi that: CSDL con song khong,
 * may phat con nhan viec khong, hang viec co dang tac khong. Ba thu do quyet
 * dinh phien co phat duoc hay khong, va chung deu hong theo kieu IM LANG.
 */
.bo-phan { list-style: none; margin: 6px 0 0; padding: 0;
  display: grid; gap: var(--k-2); }
.bo-phan .bp { display: grid; gap: 0; padding: var(--k-2) var(--k-3);
  border-radius: var(--radius-md); border-left: 3px solid var(--ok); background: var(--panel-2); }
.bo-phan .bp.chet { border-left-color: var(--bad); background: var(--bad-nen); }
.bo-phan .bp b { font-size: var(--chu-sm); }
.bo-phan .bp span { font-size: var(--chu-xs); color: var(--muted); }
.bo-phan .bp em { font-size: var(--chu-xs); font-style: normal; color: var(--bad-text); }
.bo-phan .bp-dong { display: flex; align-items: center; gap: var(--k-2);
  justify-content: space-between; font-size: var(--chu-sm); margin-top: var(--k-1); }
.bo-phan .bp-dong span { min-width: 0; overflow: hidden; text-overflow: ellipsis;
  white-space: nowrap; }
#tt-worker td, #tt-worker th { padding: var(--k-2) var(--k-2); font-size: var(--chu-sm); }
/* Moc thoi gian cua tung con so: hai o dem tu hai moc khac nhau ma khong o nao
 * khai bao thi con so lon nhat tren trang doc thanh "moi thu on". */
.tt-o .tt-moc { font-size: var(--chu-xs); color: var(--muted); margin-top: var(--k-1);
  line-height: 1.375; }

.danh-sach-nho { list-style: none; margin: 6px 0 0; padding: 0;
  display: grid; gap: var(--k-2); font-size: var(--chu-sm); }
.danh-sach-nho li { display: grid; gap: 0; padding-left: var(--k-3);
  border-left: 2px solid var(--warn); }
.danh-sach-nho li.xong { border-left-color: var(--ok); color: var(--ok-text); }
.danh-sach-nho .muted { font-size: var(--chu-xs); }
.danh-sach-nho em { font-style: normal; font-size: var(--chu-xs); color: var(--tin-text); }

/* Dau trang thu vien: tom tat + viec can lam, nam NGANG. */
/* `align-items: start`, khong `stretch`: hop "Can de y" ben phai cao gap ba
 * lan ba o tom tat ben trai, va `stretch` keo ba o do cao theo — de lai ba
 * vung trang cao ~120px. Do duoc tren anh chup. */
/* Ba o tom tat XEP DOC trong mot cot hep, khong trai ngang.
 * Trai ngang thi ba o cao 56px nam canh mot hop "Can de y" cao 240px — de lai
 * mot lo trang gan 200px x 700px giua trang, dung cai nguoi dung keu "trong".
 * Xep doc thi hai cot xap xi bang chieu cao. */
/*
 * MOT COT, khong phai hai.
 *
 * Ban cu chia 22rem cho ba o dem va phan con lai cho the "Can de y". The do
 * gap lai chi cao 44px, nen ket qua tren man 1568px la mot hop rong ~1.000 x
 * 130px nam giua trang, canh mot cot ba o dem xep DOC — trong khi chinh lop
 * cua cot do ten la `.ngang`.
 *
 * Nay: ba o dem chay ngang het be rong, "Can de y" nam duoi, cung het be rong.
 */
/*
 * BA O DEM ben trai, the "Can de y" ben PHAI — khong xep chong.
 *
 * The "Can de y" gap lai chi cao 44px; de no mot minh mot hang la mot dai
 * 1.330x44px ma chu chi chiem 130px dau. Dat canh ba o dem thi khong con
 * khoang trong nao, va no van bung ra duoc khi mo.
 */
/*
 * MOT HANG DUY NHAT: ba o dem + the "Can de y", tat ca la anh em.
 *
 * Ban truoc chia hai cot `1fr / 20rem`, nen tren man 1920px the "Can de y" bi
 * day sang tan x=1275 va dung mot minh nhu bi vut ra ria, con giua no voi ba o
 * dem la mot khoang trang. Xep chung vao CUNG mot hang flex thi khong con ranh
 * gioi nao de tao ra khoang do.
 */
.tv-dau { display: flex; flex-wrap: wrap; gap: var(--k-3); align-items: stretch;
  margin-bottom: var(--k-4); }
.tv-dau > .bo-phan.ngang { flex: 3 1 34rem; display: flex; flex-wrap: wrap; gap: var(--k-3); }
.tv-dau > .bo-phan.ngang > .bp { flex: 1 1 13rem; }
.tv-dau > .tv-thieu-hop { flex: 1 1 15rem; align-self: flex-start; }
.bo-phan.ngang { margin-top: 0;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); }
.bo-phan.ngang .bp { align-content: center; }
.tv-thieu-hop { background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--r); padding: var(--k-3) var(--k-4); }
.tv-thieu-hop :is(h1, h2, h3, h4) { margin: 0 0 var(--k-1); }

/* Bao loi phai o lai cho toi khi nguoi dung dong — xem chu thich ham toast() */
.toast { display: flex; align-items: flex-start; gap: var(--k-3); }
.toast-x { background: none; border: 0; font-size: var(--chu-xl); line-height: 1; cursor: pointer;
  color: inherit; opacity: .65; padding: 0 2px; }
.toast-x:hover { opacity: 1; }
.badge.dung { background: var(--warn-nen); color: var(--warn-text); border-color: var(--warn-vien); white-space: nowrap; }

/* ── Canh bao tuan thu quy dinh Shopee ──
 * LOI DA MAC: nen dat cung mau SANG (var(--bad-nen)) trong khi chu ke thua mau SANG
 * cua giao dien toi — chu gan nhu tang hinh. Nay mau nen lay tu bien theo che
 * do, va chu LUON dat mau ro rang thay vi ke thua.
 */
#d-tuanthu { grid-column: 1 / -1; margin: 0; }
.tt-đầu { margin: 0 0 var(--k-2); font-size: var(--chu-xs); font-weight: 600;
  text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.tuanthu { border-left: 3px solid var(--line); padding: var(--k-3) var(--k-4);
  margin: 0 0 var(--k-2); background: var(--panel-2); border-radius: 0 10px 10px 0;
  color: var(--text); }
.tuanthu.nang     { border-left-color: var(--bad);  background: var(--bad-nen); }
.tuanthu.canh-bao { border-left-color: var(--warn); background: var(--warn-nen); }
.tuanthu.goi-y    { border-left-color: var(--tin-text);     background: var(--tin-nen); }
.tuanthu .nhan { display: inline-block; font-size: var(--chu-xs); font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em; }
.tuanthu.nang .nhan     { color: var(--bad-text); }
.tuanthu.canh-bao .nhan { color: var(--warn-text); }
.tuanthu.goi-y .nhan    { color: var(--tin-text); }
.tuanthu .noi { margin: var(--k-1) 0; line-height: 1.5; color: var(--text); }
.tuanthu .lam { font-size: var(--chu-sm); line-height: 1.5; color: var(--text);
  font-weight: 500; }
.tuanthu .can-cu { font-size: var(--chu-xs); color: var(--muted); margin-top: var(--k-1); }

/* ── Xem truoc video ── */
.xem-lop { position: fixed; inset: 0; background: rgb(0 0 0 / 50%); z-index: 50;
  display: flex; align-items: center; justify-content: center; padding: var(--k-5); }
.xem-hop { background: var(--panel); border-radius: var(--radius-xl); overflow: hidden;
  max-width: min(460px, 94vw); width: 100%; box-shadow: 0 20px 60px rgb(0 0 0 / 50%);
  display: flex; flex-direction: column; max-height: 92vh; }
.xem-dau { display: flex; align-items: center; justify-content: space-between; gap: var(--k-2);
  padding: var(--k-3) var(--k-4); border-bottom: 1px solid var(--line); font-weight: 600; }
.xem-dau span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#xem-player { width: 100%; background: #000; max-height: 68vh; display: block; }
.xem-chan { display: flex; align-items: center; justify-content: space-between; gap: var(--k-2);
  padding: var(--k-3) var(--k-4); border-top: 1px solid var(--line); flex-wrap: wrap; }
.xem-nut { display: flex; gap: var(--k-2); flex-wrap: wrap; }
.xem-chan a.ghost { text-decoration: none; }

/* ── Tien do phat va chuan hoa ── */
.sc-tiendo { margin: var(--k-2) 0 var(--k-1); display: grid; gap: var(--k-1); }
.td-dong { display: flex; justify-content: space-between; gap: var(--k-2);
  font-size: var(--chu-xs); line-height: 1.25; }
.td-ten { overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-weight: 600; min-width: 0; }
.td-so { flex: none; opacity: .7; }
.td-thanh { height: 4px; border-radius: var(--radius-sm); background: var(--line);
  overflow: hidden; }
.td-thanh i { display: block; height: 100%; background: var(--primary);
  border-radius: var(--radius-sm); transition: width .4s linear; }
.ch-tiendo { display: grid; gap: var(--k-1); margin-top: var(--k-1); }
.ch-tiendo .td-thanh i { background: var(--tin-text); transition: width .8s linear; }
.sc-nut { display: flex; gap: var(--k-1); align-items: center; }
/* Duong dan `↗ Xem` phai trong y het mot nut `.ghost.sm` ben canh no — mot the
   `<a>` khong an theo `button` mac dinh, va lech mot pixel o hang nut la thu
   nhin ra ngay. */
.sc-nut a.ghost.sm { display: inline-flex; align-items: center;
  text-decoration: none; line-height: 1; }

/* ── Tien ich trinh duyet ── */
.ma-nho { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: var(--chu-xs);
  word-break: break-all; }
/* Loi may doc bang tieng may thi giau di; cau nguoi doc duoc va viec phai lam
 * thi bay ra. Chu shop doc "[invalid_partner_id]" xong khong biet lam gi. */
.lam-gi { font-size: var(--chu-xs); color: var(--tin-text); margin-top: var(--k-1);
  line-height: 1.375; }
details.ky-thuat { background: none; border: 0; padding: 0; margin-top: var(--k-1); }
details.ky-thuat > summary { font-size: var(--chu-xs); font-weight: 500; color: var(--muted); }
details.ky-thuat[open] { padding-bottom: 0; }
/* Cot "Ly do roi" phai duoc phan lon be rong: cau nguoi doc duoc dai hon ma
 * loi may, va bop no vao 110px thi mot dong thanh bon dong. */
#duong table { table-layout: fixed; width: 100%; }
#duong th:nth-child(1), #duong td:nth-child(1) { width: 22%; }
#duong th:nth-child(2), #duong td:nth-child(2) { width: 11%; }
#duong th:nth-child(3), #duong td:nth-child(3) { width: 41%; }
#duong th:nth-child(4), #duong td:nth-child(4) { width: 9%; }
#duong th:nth-child(5), #duong td:nth-child(5) { width: 17%; }
/* Quy tac chung o `.luoi-o .o` dat `white-space: nowrap` cho hai cot dau de
 * ten ky thuat khong bi be. Nay ten da la tieng Viet co dau cach — de nowrap
 * thi chu tran sang DE LEN cot ben canh. Do duoc: "Bam Bat dau benTShopee ich". */
#duong td, #duong th { white-space: normal; vertical-align: top;
  word-break: normal; overflow-wrap: anywhere; }
/* Nhung `anywhere` lam mot con so hai chu so vo thanh hai dong ("1/2"), va
 * tieu de mot tu vo thanh ba dong ("L/a/n"). Cho nhung o KHONG BAO GIO dai
 * thi cam be chu. */
#duong th, #duong td:nth-child(4) { white-space: nowrap; overflow-wrap: normal; }
.tt-tot { color: var(--ok-text); font-weight: 600; }
.tt-canh { color: var(--warn-text); font-weight: 600; }
.tt-chet { color: var(--bad-text); font-weight: 600; }
tr.mo { opacity: .5; }
.hop-ma { margin-top: var(--k-4); padding: var(--k-4) var(--k-4); border: 1px solid var(--warn-vien);
  background: var(--warn-nen); border-radius: var(--radius-lg); }
.hop-ma code { display: block; margin: var(--k-2) 0; padding: var(--k-2) var(--k-3); background: var(--panel-3);
  border: 1px solid var(--line); border-radius: var(--radius-md); word-break: break-all;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: var(--chu-sm); }
.hop-ma p { margin: 6px 0 var(--k-2); font-size: var(--chu-sm); color: var(--warn-text); }

/* ── Dieu khien Shopee qua tien ich ── */
.ti-den { display:inline-block; width:8px; height:8px; border-radius:50%;
  background:var(--muted,var(--muted-foreground)); margin-left: var(--k-1); vertical-align:middle; }
.ti-den.song { background:var(--ok-text); box-shadow:0 0 0 3px var(--ok-nen); }
.ti-den.chet { background:var(--bad); box-shadow:0 0 0 3px var(--bad-nen); }
.ti-nut { display:flex; flex-wrap:wrap; gap: var(--k-2); margin: var(--k-2) 0; }
.ti-lenh { display:grid; gap: var(--k-1); margin-top: var(--k-3); }
.ti-lenh .muc { display:flex; justify-content:space-between; gap: var(--k-2);
  padding: var(--k-2) var(--k-3); border-radius: var(--radius-md); background:var(--muted-bg);
  font-size: var(--chu-sm); }
.ti-lenh .muc.xong { background: var(--ok-nen); }
.ti-lenh .muc.loi, .ti-lenh .muc.het-gio { background:var(--bad-nen); color:var(--bad-text); }
.ti-lenh .muc.dang-lam, .ti-lenh .muc.cho { background:var(--warn-nen); }
.ti-lenh .tt { flex:none; opacity:.75; }
.luoi2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
@media (max-width: 640px) { .luoi2 { grid-template-columns: 1fr; } }

/* ── Cot "Sap toi" trong hang doi ── */
.queue li.dang-phat { background: var(--warn-nen); border-radius: var(--radius-md); }
.queue .sap { font-size: var(--chu-xs); color: var(--muted); white-space: nowrap; flex: none; }
.queue .sap.dang { color: var(--warn-text); font-weight: 600; }
.queue .sap.mo { opacity: .55; }

/* ── Nhan phan loai nhat ky ── */
.nhom { flex: none; font-size: var(--chu-xs); font-weight: 700; letter-spacing: .05em;
  padding: 0 var(--k-2); border-radius: var(--radius-sm); background: var(--muted-bg);
  color: var(--muted); }
.n-PHAT { background: var(--tin-nen); color: var(--tin-text); }
.n-LOI { background: var(--bad-nen); color: var(--bad-text); }
.n-HANG-DOI { background: var(--tin-nen); color: var(--chip-tim); }
.n-CAU-HINH { background: var(--warn-nen); color: var(--warn-text); }
.n-HAN-MUC { background: var(--warn-nen); color: var(--warn-text); }

/* ---------- cot bang thong 30 ngay ----------
 * Mot bang MOT DONG tren man hinh 1920px doc ra la "phan mem nay so sai".
 * Ba muoi cot — ngay khong phat la cot 0 — doc ra dung cai that.
 */
.cot-do { margin: var(--k-1) 0 0; }
.cot-khung { display: flex; gap: var(--k-2); align-items: stretch; }
.cot-truc-doc { display: flex; flex-direction: column; justify-content: space-between;
  font-size: var(--chu-xs); color: var(--muted); text-align: right; flex: none;
  padding: var(--k-1) 0; font-variant-numeric: tabular-nums; }
.cot-o { position: relative; flex: 1; min-width: 0; }
.cot-luoi { position: absolute; left: 0; right: 0; height: 1px;
  background: var(--line); pointer-events: none; }
.cot-hang { display: flex; align-items: flex-end; gap: var(--k-1); height: 170px;
  padding: var(--k-1) 0; position: relative; }
.cot-hang .cot { flex: 1; height: 100%; display: flex; align-items: flex-end;
  min-width: 0; }
.cot-hang .cot i { display: block; width: 100%; background: var(--accent);
  border-radius: 4px 4px 0 0; min-height: 2px; }
.cot-hang .cot.rong i { background: var(--line); height: 2px !important; }
.cot-hang .cot:hover i { filter: brightness(1.2); }
.cot-truc { display: flex; justify-content: space-between; font-size: var(--chu-xs);
  padding-top: var(--k-1); border-top: 1px solid var(--line); }
.hai-cot > .o { background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--r); padding: var(--k-4) var(--k-5); min-width: 0; }
.hai-cot > .o > :is(h1, h2, h3, h4):first-child { margin: 0 0 2px; }
.bang-cuon { overflow-x: auto; }

/* ---------- ban hang: trang thai chua co so lieu ----------
 * Mot hop rong cao mot phan ba man hinh chi de dung bon dong chu la thu ban
 * cham goi la "tra loi cau hoi hom nay ban duoc bao nhieu bang mot hop rong".
 * Khung co truc va moc 0 noi duoc "cho nay se co gi", va chi cao bang mot
 * phan tu.
 */
.sl-trong { display: grid; gap: var(--k-4); align-items: center;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--r); padding: var(--k-4) var(--k-5); }
@media (max-width: 900px) { .sl-trong { grid-template-columns: minmax(0, 1fr); } }
.sl-khung { display: flex; gap: var(--k-2); height: 120px; }
.sl-khung .cot-o { border-bottom: 1px solid var(--line); }
.sl-cho { position: absolute; inset: 0; display: grid; place-items: center;
  color: var(--muted); font-size: var(--chu-sm); }
.sl-cach { display: flex; flex-direction: column; gap: var(--k-2); font-size: var(--chu-sm);
  color: var(--muted); }
.sl-cach b { color: var(--text); }
.sl-nut { display: flex; gap: var(--k-2); flex-wrap: wrap; margin-top: var(--k-1); }

/* ---------- ban hang: san pham + kich ban ---------- */
.sp-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: var(--k-2); }
.sp-anh { width: 40px; height: 40px; object-fit: cover; border-radius: var(--radius-sm); }
.kb-card { display: flex; flex-direction: column; gap: var(--k-2); }
.kb-head { display: flex; gap: var(--k-2); align-items: center; }
.kb-head img { width: 64px; height: 36px; object-fit: cover; border-radius: var(--radius-sm); }
.kb-card textarea { width: 100%; font: inherit; resize: vertical; }
.kb-trangthai { font-size: .85em; }
.kb-trangthai.ok { color: var(--ok-text); }
.kb-trangthai.bad { color: var(--bad-text); }
.mini { width: 5rem; }

/* ---------- binh luan ---------- */
.bl-tudong {
  display: flex; flex-direction: column; gap: var(--k-1);
  padding: var(--k-2) var(--k-3); margin-bottom: var(--k-2);
  border-radius: var(--radius-md); background: var(--muted-bg);
}
.binhluan { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--k-2); }
.binhluan .bl {
  padding: var(--k-2) var(--k-3); border-radius: var(--radius-md);
  border: 1px solid var(--border);
}
.binhluan .bl.da { opacity: .6; }
.bl-head { display: flex; gap: var(--k-2); align-items: center; flex-wrap: wrap; }
.bl-noidung { margin: var(--k-1) 0; }
.bl-goiy { font-size: .88em; margin: var(--k-1) 0; }
.bl-daTraLoi { font-size: .9em; color: var(--ok-text); margin-top: var(--k-1); }
.pill {
  font-size: .78em; padding: 0 var(--k-2); border-radius: 999px;
  background: var(--muted-bg);
}
.pill.y-sap-mua { background: var(--warn-nen); }
.pill.y-khieu-nai { background: var(--bad-nen); }
.canh-bao {
  font-size: .85em; padding: var(--k-2) var(--k-2); border-radius: var(--radius-sm);
  background: var(--warn-nen); border-left: 3px solid var(--warn-vien);
}
.binhluan .bl.cho { opacity: .75; border-style: dashed; }

/* ---------- cau tra loi soan san: MOT DONG mot cau ----------
 *
 * The ba tang (chip / chu / hai nut) hop cho buong binh luan dang chay, o do
 * moi binh luan la mot viec phai xu ly. O man soan san thi khong: bon cau ngan
 * chiem 520px cao va bo trong ~900px be ngang moi dong. Doc luot "da co cau
 * cho y dinh nao chua" la doc theo COT, nen xep thanh hang.
 */
/* `.binhluan .bl` la (0,2,0); mot lop `.ctl-hang` la (0,1,0) va THUA — padding
 * cu .6/.8rem van thang. Do duoc: computed van ra 9.6px/12.8px. */
/*
 * CHOT BE RONG DANH SACH, khong de hang keo het man.
 *
 * Cau tra loi soan san dai mot dong (toi da 150 ky tu). Tren khung 1.330px thi
 * chu ket thuc o ~700px con o dem "64/150" bi cot `auto` day ra tan mep phai —
 * o giua la 700px trong. Cot van la cot (doc luot theo cot van dung, do la ly
 * do ban truoc bo the ba tang), chi la khong dai qua muc mot cau can.
 */
#ctl-list { max-width: 62rem; }
/*
 * BANG SAN PHAM: chot be rong.
 *
 * Sau cot tren mot khung 1.330px thi cot "Ten" duoc ~850px cho nhung cai ten
 * dai ~400px — nua o trong, tren MOI dong, 200 dong. Chot lai thi cac cot ve
 * dung ty le voi noi dung, va mat khong phai luot ngang qua mot vung trang de
 * doi chieu ten voi gia.
 */
#sp-table { max-width: 84rem; }
/*
 * BANG VIDEO va BANG KICH BAN: cung mot benh, cung mot thuoc.
 *
 * Tren khung 1.330px, ca hai deu de mot dai trang ~330px giua cot chu cuoi va
 * cot nut — tren MOI dong. Chot be rong thi cac cot ve dung ty le voi noi dung
 * va nut khong con troi mot minh o mep phai.
 */
.v-bang { max-width: 88rem; }
.kb-bang { max-width: 82rem; }
/* Bang ma tien ich: bon cot chu ngan roi mot nut — cung mot dai trang ~290px
   giua cot cuoi va nut, tren moi dong. */
#ma-table { max-width: 72rem; }
/* Bang thanh vien: bon cot, cot cuoi la nut Xoa — het thay ~990px trong mot
   the rong 1.330px. */
#member-table { max-width: 62rem; }
.binhluan .bl.ctl-hang {
  display: grid; align-items: center; gap: var(--k-1) var(--k-3);
  grid-template-columns: 8.5rem minmax(0, 1fr) auto auto;
  padding: var(--k-1) var(--k-2);
}
.ctl-hang .pill { justify-self: start; }
.ctl-chu { overflow-wrap: anywhere; }
.ctl-dem { font-size: .78em; white-space: nowrap; }
.ctl-nut { display: flex; gap: var(--k-1); }
/* Hep thi nut xuong dong rieng, chu KHONG bi ep con mot chu mot dong. */
@media (max-width: 720px) {
  .binhluan .bl.ctl-hang { grid-template-columns: auto minmax(0, 1fr) auto; }
  .ctl-nut { grid-column: 1 / -1; justify-content: flex-end; }
}
/* ---------- the san pham dang ghim ----------
 * Truoc day o nay chi co chu "Chua ghim gi." va mot nut. Ghim sai mon hay ghim
 * mon het hang la mat don thang, nen cai phai bay ra la: anh, gia, gia goc,
 * hoa hong, TON KHO, va link mo trang san pham.
 */
.ghim-hien { margin: 6px 0; }
.ghim-the { display: flex; gap: var(--k-3); align-items: flex-start;
  padding: var(--k-3) var(--k-3); border-radius: var(--radius-md); background: var(--muted-bg); }
.ghim-the img { width: 56px; height: 56px; object-fit: cover; border-radius: var(--radius-sm);
  flex: none; }
.ghim-trong { width: 56px; height: 56px; border-radius: var(--radius-sm); flex: none;
  display: grid; place-items: center; font-size: var(--chu-2xl); opacity: .45;
  background: var(--panel-3); }
.ghim-chu { min-width: 0; display: flex; flex-direction: column; gap: 0; }
/* Cho ten XUONG DONG thay vi cat. Cat o cho con thua 130px roi noi lai nguyen
 * van cach do 100px o nhan nut la vo ly nhin thay duoc. */
.ghim-chu > b { overflow-wrap: anywhere; line-height: 1.25; }
.ghim-nhan + .ghim-chu, .ghim-the.goi-y .ghim-chu { padding-right: var(--k-1); }
.ghim-gia b { font-size: var(--chu-base); color: var(--accent-text); }
.ghim-gia s { font-size: var(--chu-sm); }
.ghim-link { font-size: var(--chu-xs); color: var(--tin-text); text-decoration: none;
  margin-top: var(--k-1); }
.ghim-link:hover { text-decoration: underline; }
/* Goi y (mon cua video dang phat, CHUA ghim): vien dut de khong nham voi da ghim. */
.ghim-the.goi-y { background: none; border: 1px dashed var(--line); position: relative; }
.ghim-nhan { margin-left: auto; flex: none; font-size: var(--chu-xs); font-weight: 700;
  text-transform: uppercase; letter-spacing: .05em; color: var(--muted);
  white-space: nowrap; }

/* Viec can lam hien ngay tren dong tom tat quy dinh — de gap lai van doc duoc. */
.tt-lam-gon { font-size: var(--chu-sm); color: var(--warn-text); min-width: 0;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
details[open] > summary .tt-lam-gon { display: none; }
.sl-tiles { grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); margin: var(--k-2) 0; }
/* Duong don hang: khoa be rong o muc doc duoc, va co truc doc ghi so. Keo
 * ngang het 1.450px thi 0->39 don vo thanh mot vet gan nhu thang. */
.bieu-do { margin: var(--k-2) 0; color: var(--accent); max-width: 760px; }
.bd-dau { font-size: var(--chu-xs); margin-bottom: var(--k-1); }
.bd-dau b { color: var(--text); }
.bd-khung { display: flex; gap: var(--k-2); align-items: stretch; }
.bd-o { position: relative; flex: 1; min-width: 0; height: 120px; }
.bieu-do svg { width: 100%; height: 120px; display: block; position: relative; }
.bieu-do-truc { display: flex; justify-content: space-between; font-size: var(--chu-xs);
  padding-top: var(--k-1); }
.upload-list { list-style: none; padding: 0; margin: var(--k-2) 0 0; font-size: .88em; }
.upload-list li { display: flex; gap: var(--k-2); justify-content: space-between; padding: 2px 0; }
.upload-list .up-ten { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.upload-list .up-tt.ok { color: var(--ok-text); }
.upload-list .up-tt.bad { color: var(--bad-text); }
.hang-doi { font-size: .82em; display: block; margin-top: var(--k-1); }

/* ---------- dau bang phien: trang thai + nut chinh luon nhin thay ---------- */

/* ---------- khoi "dang phat" ---------- */
.live { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: var(--k-3) var(--k-4); }
/*
 * Khoi "dang phat": KHUNG HINH ben trai, chu ben phai, ke tiep ngoai cung.
 *
 * Ban cham doc lap ghi day la ly do thu nhat khien chu shop chon doi thu:
 * "Relive co khuon mat dang len song, ta co mot thanh tien trinh mau cam".
 * Anh bia video von da co — hang doi ngay duoi dang hien no o 44px — nen day
 * la cho chua lam chu khong phai cho khong lam duoc.
 */
/*
 * Chieu cao dat truoc, be rong tu suy ra.
 *
 * Video Shopee la DOC. Dat be rong truoc (150px) thi khung cao 267px, va ca
 * dai bi keo theo — chu o cot giua troi lo lung giua hai khoang trong. Dat
 * chieu cao truoc thi dai luon vua, con khung rong bao nhieu la viec cua ty le.
 */
/* Buong lai: khung xem truoc + dien bien + so lieu | luoi bam nhanh. */
/*
 * BA cot: (xem truoc + dien bien + so lieu) | HANG DOI | bam nhanh.
 *
 * Truoc day hang doi nam trong `.dk-lam` BEN DUOI buong lai, nen no bat dau o
 * y=492 tren mot khung cao 799px — thu phai thao tac nhieu nhat lai la thu
 * phai cuon xuong moi cham duoc. Va cot giua cua buong lai rong 850px chi de
 * dung vai dong chu, trong ra mot mang.
 *
 * Dua hang doi len lam cot giua thi giai quyet ca hai cung luc: lap day cho
 * trong, va keo viec thao tac len tren nep gap.
 */
/* Cot trai KHONG duoc dat co dinh 20rem: no chua ca khung xem truoc, dien
 * bien, danh sach binh luan VA dai so lieu. Bop vao 320px thi "Số liệu Shopee"
 * vo doc thanh hai dong va dai KPI vo thanh mot cot chu — do duoc tren anh
 * chup. Cho no mot phan chia deu voi hang doi. */
/*
 * BUONG LAI LA MOT DAN KHOI TU XEP, KHONG PHAI BA COT CUNG.
 *
 * Do that tren man 1920px cua chu shop: ba cot `580 / 667 / 304`. Cot trai gom
 * bon thu (xem truoc, binh luan, so lieu, san pham ghim) nen no dai gap ba hai
 * cot kia — ket qua la mot vung TRANG 836x430px o nua phai man hinh, ngay giua
 * ban dieu khien. Va cung luc do khoi so lieu bi ep con 187px nen nam con so
 * xep DOC thanh nam dong.
 *
 * Nay moi khoi la mot the anh em, tu chon cho theo be rong con lai:
 *   xem truoc + dien bien   26rem
 *   hang doi video          28rem  (uu tien gian: `flex-grow: 2`)
 *   dich day + bam nhanh    17rem
 *   binh luan nguoi xem     22rem
 *   so lieu ban hang        18rem
 *   san pham dang ghim      20rem
 * Man rong thi ba khoi mot hang va khong con cho trong; man hep thi chung tu
 * xuong dong.
 */
.buong-lai { display: flex; flex-wrap: wrap; gap: var(--k-4); align-items: flex-start; }
.buong-lai > *, .buong-trai > * { min-width: 0; }
/* `display: contents` — bon khoi ben trong thanh the anh em cua buong lai,
   khong phai mot cot don doc. Khong phai sua mot dong HTML nao. */
.buong-trai { display: contents; }

/* Hang doi trong buong lai: bo vien va nen cua `details` de no khong trong nhu
 * mot hop long trong mot hop; chi giu mot vach ngan hai ben. */
.buong-hd { background: none; border: 0; border-radius: 0;
  padding: 0; min-width: 0; display: flex; flex-direction: column; }
.buong-hd > summary { flex: none; }
.buong-hd #d-queue { flex: 1; overflow-y: auto; max-height: 16rem; margin-top: var(--k-2); }
/*
 * VACH NGAN HAI BEN DA BO.
 *
 * Voi bo cuc flex-wrap, "khoi nay nam giua mot hang" khong con la mot dieu
 * kien theo be rong man hinh — no phu thuoc so khoi lot vao hang do. Mot vach
 * doc treo lo lung o dau hang trong hon la khong co vach nao. Media query cu
 * (`max-width: 1400px`) tat vach theo be rong man, va voi bo cuc moi thi dieu
 * kien do khong con y nghia gi.
 */
/*
 * Khung xem truoc nam CANH phan con lai, khong phai o TREN no.
 *
 * Xep doc thi bang cao 573px: 338px cua khung cong nguyen chieu cao cua binh
 * luan va so lieu — cac khoi lam viec bi day het xuong duoi nep gap. Xep ngang
 * thi ba thu do dung dung 338px ma khung dang chiem, va khong ton them dong nao.
 *
 * `display: contents` tren .dangphat de hai con cua no (khung + dien bien)
 * thanh o luoi truc tiep, khong phai sua ham ve.
 */
/* Khung xem truoc va dien bien nam CANH nhau trong cung mot khoi. */
.dangphat { display: flex; gap: var(--k-4); align-items: flex-start;
  flex: 2 1 26rem; max-width: 42rem; }
.dangphat > .dp-xem { flex: none; }
.dangphat > .dp-than { flex: 1 1 auto; min-width: 0; }
/*
 * LUONG BINH LUAN AN CA HAI COT.
 *
 * Luat nay da duoc viet mot lan roi bi CHINH NO huy ba dong sau: nhom
 * `grid-column: 2` ben duoi tung liet ke ca `.buong-bl`, cung do dac hieu va
 * dung sau, nen no thang. Ket qua do duoc: luong binh luan rong 265px trong
 * mot cot 431px, va vung 150x224px duoi khung xem truoc bo trong hoan toan —
 * dung thu chu shop nhin nhieu nhat ca buoi live thi bi ep hep nhat.
 *
 * Dai so lieu thi NGUOC LAI: no la mot hang nam con so, dat canh nua duoi cua
 * khung xem truoc la vua — vua lap cho trong do, vua khong day binh luan xuong.
 */
/*
 * 26rem va `flex-grow: 2` — do tren PRODUCTION voi hang doi 10 video.
 *
 * Voi 22rem no la khoi thu tu tren hang dau va chi nhan phan thua: rong 310px,
 * nhan "chi cai chua tra loi" vo hai dong. Nay no xuong hang hai va duoc 640px.
 */
.buong-lai .buong-bl { flex: 2 1 26rem; max-width: 40rem; }
/*
 * SAN PHAM DANG GHIM chuyen tu ray nut ben phai sang cot trai.
 *
 * O ray phai no lam cot do cao ~700px trong khi hai cot kia dung o ~300px —
 * mot vung trong bang nua man hinh. Va cho dung cua no la canh so lieu ban
 * hang: ca hai deu tra loi "nguoi xem dang nhin thay gi va mua duoc gi".
 */
.buong-lai .bn-ghim { flex: 1 1 20rem; max-width: 34rem; }
.buong-lai .kpi { flex: 1 1 18rem; max-width: 30rem; }
/* 32rem: o 28rem thi cot ten video con ~120px va moi dong hien "Mau 034 · …"
   — dung cai duoi ten la thu phan biet muoi video voi nhau. */
.buong-lai > .buong-hd { flex: 2 1 32rem; max-width: 46rem; }
.buong-lai > .buong-nut { flex: 1 1 17rem; max-width: 24rem; }
/*
 * THU TU DOC, khong phai thu tu viet ra trong HTML.
 *
 * `display: contents` lam bon khoi cua buong trai thanh anh em, nhung thu tu
 * cua chung van la thu tu trong tep — nen "Hang doi video" va "Bam nhanh" tut
 * xuong cuoi, duoi ca so lieu va san pham ghim. Do la hai khoi nguoi truc phien
 * dung NHIEU NHAT.
 *
 * Xep lai theo tan suat nhin, khong doi mot dong HTML:
 *   1 dang phat   2 hang doi   3 bam nhanh
 *   4 binh luan   5 san pham ghim   6 so lieu
 */
/* Dau `>` KHONG xuyen qua `display: contents`: bon khoi duoi day co cha la
   `.buong-trai` trong cay DOM, du chung la the anh em trong cay HOP. Viet
   `.buong-lai > .kpi` thi luat khong bao gio khop — da mac dung mot lan o
   chinh doan nay. */
.buong-lai .dangphat  { order: 1; }
.buong-lai > .buong-hd  { order: 2; }
.buong-lai > .buong-nut { order: 3; }
.buong-lai .buong-bl  { order: 4; }
.buong-lai .bn-ghim   { order: 5; }
.buong-lai .kpi       { order: 6; }

/* Luong binh luan trong buong lai: CUON RIENG, khong keo dai ca ban dieu khien.
 * `flex: 1` o day lam buong lai cao 629px va day het cac khoi lam viec xuong
 * duoi nep gap — do duoc. Nay no cao theo noi dung, toi da 15rem roi cuon. */
.buong-bl { flex: none; display: flex; flex-direction: column;
  gap: var(--k-2); padding-top: var(--k-3); border-top: 1px solid var(--line); }
.bbl-dau { display: flex; align-items: center; gap: var(--k-3); flex-wrap: wrap; }
.bbl-tu { display: flex; align-items: center; gap: var(--k-1); margin: 0;
  font-size: var(--chu-xs); color: var(--muted); white-space: nowrap; }
.bbl-tu input { width: auto; margin: 0; }
.buong-bl .binhluan { overflow-y: auto; max-height: 13rem; }
/* Trong buong lai thi dai so lieu khong con la mot the rieng — bo vien va nen,
 * chi giu mot vach ngan. */
.buong-lai .kpi { background: none; border: 0; border-top: 1px solid var(--line);
  border-radius: 0; padding: var(--k-3) 0 0; }
.buong-lai .kpi.gon-mot-dong { padding: var(--k-3) 0 0; }
/* Nam con so nam NGANG khi con cho, xuong dong khi het — khong phai mot cot
   doc nam dong nhu khi khoi nay bi ep con 187px. */
.kpi { flex-direction: column; align-items: stretch; }
.kpi-o { gap: var(--k-2) var(--k-6); }
.kpi-ben { justify-content: flex-end; }

/*
 * DAI KIEM CHUNG — nam DUOI DAY khung, tren nen toi dan.
 *
 * Cho nay la cho duy nhat dat duoc: goc tren trai la huy hieu "● LIVE", goc
 * tren phai de trong cho nhan "dang ghim", va giua khung la dai san pham. Day
 * khung con lai, va do cung la cho mat di xuong sau khi doc xong anh.
 *
 * Nen toi dan chu khong mot mang mau dac: anh bia co the sang hay toi tuy
 * video, va chu trang tren nen sang thi khong doc duoc. Chuyen dan tu trong
 * suot xuong den giu chu doc duoc tren MOI anh.
 */
.dp-kiem { position: absolute; left: 0; right: 0; bottom: 0;
  display: flex; gap: var(--k-1); padding: var(--k-4) var(--k-1) var(--k-1);
  background: linear-gradient(to top, rgba(0,0,0,.82), rgba(0,0,0,0)); }
.dp-kiem a, .dp-kiem button { flex: 1 1 0; min-width: 0; font-size: var(--chu-xs);
  font-weight: 700; line-height: 1; text-align: center; white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis; padding: var(--k-1) var(--k-1);
  border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,.35);
  background: rgba(0,0,0,.45); color: #fff; text-decoration: none;
  cursor: pointer; }
/* Nut chinh SANG HON: no la duong an toan, va la duong nen bam. Duong bang
   dieu khien co the da tien ich ra khoi phien nen no phai nhat hon. */
.dp-kiem .dp-kiem-chinh { background: rgba(255,255,255,.92); color: #111;
  border-color: rgba(255,255,255,.92); }
.dp-kiem a:hover, .dp-kiem button:hover { border-color: #fff; }
.dp-kiem.thieu { justify-content: center; color: rgba(255,255,255,.75);
  font-size: var(--chu-xs); padding: var(--k-4) var(--k-1) var(--k-1); }

/*
 * NHAN "ANH BIA" — khung nay KHONG phai hinh dang len song.
 *
 * No bay anh bia cua tep video, va khi anh do tinh co la khung den (video mo
 * dau bang canh toi la chuyen thuong) thi chu shop liec vao thay o den va
 * tuong live da chet. Mot o den co nhan thi khong lam ai hoang mang; cung o den
 * do trong mot khung gia lam man hinh live thi co.
 */
/*
 * DUOI huy hieu LIVE, khong phai goc phai — goc phai da co nhan "dang ghim",
 * va hai nhan chong len nhau thi ca hai deu khong doc duoc.
 */
.dp-xem::after { content: 'ảnh bìa video'; position: absolute; top: var(--k-6);
  left: var(--k-1); font-size: var(--chu-xs); font-weight: 600; letter-spacing: .02em;
  color: rgba(255,255,255,.8); background: rgba(0,0,0,.55);
  padding: 0 var(--k-1); border-radius: var(--radius-sm); pointer-events: none; }
/* Chua phat thi huy hieu la `.dp-cho`, cung o goc trai tren — nhan van nam duoi
   no, nhung doi chu: luc do khung khong gia lam man hinh live nua. */
.dp-xem.cho::after { content: 'ảnh bìa video đầu hàng đợi'; }

/* Chua phat: khung xem truoc van bay video dau hang doi, mo di. */
.dp-xem.cho > img { opacity: .45; filter: grayscale(.5); }
.dp-cho { position: absolute; top: var(--k-1); left: var(--k-1); font-size: var(--chu-xs);
  font-weight: 700; letter-spacing: .04em; color: #fff; white-space: nowrap;
  background: rgba(0,0,0,.6); padding: 0 var(--k-1); border-radius: var(--radius-sm); }


/*
 * 9:16 va DU TO.
 *
 * Video Shopee la doc. Khung 168px cao cho ra be rong 95px — mot con tem, va
 * ba vong cham lien deu goi dung no la con tem: khong thay duoc hinh dung hay
 * chay, khong thay chu overlay co de len mat khong. Nay dat BE RONG 190px,
 * cao tu suy ra ~338px, va dai san pham de len goc duoi.
 */
.dp-xem { position: relative; width: 150px; aspect-ratio: 9/16;
  border-radius: var(--radius-lg); overflow: hidden; background: #000;
  display: grid; place-items: center; }

/* Dai san pham de len khung — dung cho doi thu dat no. */
/* `align-self: end` la BAT BUOC, khong phai trang tri: `.dp-xem` dung
 * `place-items: center`, va thuoc tinh do keo ca o dat tuyet doi nay cao het
 * khung (do duoc: 180x308 thay vi 180x40) — dai san pham phu kin mat nguoi
 * dan, dung cai no sinh ra de khoi che. */
.dp-sp { position: absolute; left: var(--k-1); right: var(--k-1); bottom: var(--k-1);
  align-self: end; justify-self: stretch;
  display: flex; gap: var(--k-2); align-items: center; padding: var(--k-2) var(--k-2);
  border-radius: var(--radius-md); background: rgba(255,255,255,.94); color: #171a21;
  box-shadow: 0 2px 10px rgba(0,0,0,.35); }
.dp-sp.ghim { box-shadow: 0 0 0 2px var(--accent), 0 2px 10px rgba(0,0,0,.35); }
.dp-sp img { width: 30px; height: 30px; object-fit: cover; border-radius: var(--radius-sm); flex: none; }
.dp-sp-hop { width: 30px; height: 30px; display: grid; place-items: center;
  border-radius: var(--radius-sm); background: #e9edf3; font-size: var(--chu-base); flex: none; }
.dp-sp-chu { min-width: 0; display: flex; flex-direction: column; line-height: 1.25; }
.dp-sp-chu > b { font-size: var(--chu-xs); overflow: hidden; text-overflow: ellipsis;
  white-space: nowrap; }
.dp-sp-chu > span { font-size: var(--chu-xs); }
.dp-sp-chu > span > b { color: #d0021b; font-size: var(--chu-sm); }
/* Gia goc gach: 9px trong khung 190px la khong doc duoc. Cho no bang chu
 * thuong va bo mau xam nhat di. */
.dp-sp-chu s { color: #4a5160; margin-left: var(--k-1); font-size: var(--chu-xs); }

/* Chua ghim: mot dai RONG noi su that, khong phai mot the san pham gia. */
.dp-sp.trong { display: flex; flex-direction: column; gap: var(--k-1);
  align-items: flex-start; background: rgba(20,20,25,.82); color: #fff;
  border: 1px dashed rgba(255,255,255,.5); box-shadow: none; }
.dp-sp.trong b { font-size: var(--chu-xs); line-height: 1.25; font-weight: 600; }
.dp-sp.trong button { padding: var(--k-1) var(--k-2); font-size: var(--chu-xs); }
.dp-sp-chu i { font-style: normal; color: #fff; background: #d0021b;
  padding: 0 2px; border-radius: var(--radius-sm); font-size: var(--chu-xs); font-weight: 700; }
/* Nhan "dang ghim / chua ghim" len GOC TREN PHAI cua khung, canh nhan LIVE —
 * dat ngay tren dai san pham thi no de len chinh cai dai do. */
.dp-sp-nhan { position: absolute; top: var(--k-1); right: var(--k-1); font-size: var(--chu-xs);
  font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  color: #fff; background: rgba(0,0,0,.6); padding: 0 var(--k-1);
  border-radius: var(--radius-sm); white-space: nowrap; }
.dp-sp-nhan.ghim { background: var(--accent); }

/* Hai cot: dien bien ben trai, ke tiep ben phai. Mot cot rong 1.000px chi de
 * dung mot thanh tien trinh la bo phi dung cai dat nhat. */
.dp-than { display: grid; gap: var(--k-2) var(--k-6); min-width: 0; align-content: space-between;
  grid-template-columns: minmax(0, 1fr) minmax(0, 20rem); }
.dp-than > .dp-chinh, .dp-than > .dp-thanh, .dp-than > .dp-duoi,
.dp-than > .dp-suc { grid-column: 1; }
.dp-than > .dp-ke { grid-column: 2; grid-row: 1 / span 3; align-self: center;
  padding-left: var(--k-6); border-left: 1px solid var(--line); }
@media (max-width: 980px) {
  .dp-than { grid-template-columns: minmax(0, 1fr); }
  .dp-than > .dp-ke { grid-column: 1; grid-row: auto; padding-left: 0;
    border-left: 0; }
}

/* Suc khoe luong: toc do, fps, kbps, KHUNG ROI. */
.dp-suc { display: flex; gap: var(--k-5); flex-wrap: wrap; margin-top: var(--k-1);
  padding-top: var(--k-2); border-top: 1px solid var(--line);
  font-size: var(--chu-xs); color: var(--muted); font-variant-numeric: tabular-nums; }
.dp-suc b { color: var(--text); font-size: var(--chu-sm); }
.dp-suc .xau, .dp-suc .xau b { color: var(--bad-text); }

/* Luoi bam nhanh 3x3 — chin viec, luon nhin thay. */
/* `min-width: 0` la BAT BUOC tren mot o luoi.
 * Khong co no thi o khong co lai duoc duoi kich thuoc noi dung, va the "San
 * pham dang ghim" tran ra ngoai mep phai 49px — chu bi cat, nut bam mat mot
 * nua. Do duoc bang phep quet tran tren chinh ngan phien. */
.buong-nut { display: flex; flex-direction: column; gap: var(--k-2); min-width: 0;
  padding-left: var(--k-5); border-left: 1px solid var(--line); }
.buong-nut > * { min-width: 0; }
@media (max-width: 1180px) {
  .buong-nut { padding-left: 0; border-left: 0; border-top: 1px solid var(--line);
    padding-top: var(--k-4); }
}
.bn-dau { font-size: var(--chu-xs); font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--muted); }
/*
 * BANG SO KY THUAT — hai cot, nhan trai, so phai.
 *
 * Doc theo cot phai la doc duoc ca cot so; nhan chi de tra cuu. Do la ly do so
 * dung `tabular-nums`: chung phai thang hang de mat bat duoc cai nao doi.
 */
/*
 * DAI NHAT KY duoi buong lai: chay het be ngang, cao co dinh, tu cuon.
 *
 * Cao co dinh la co y: no phai lap dung khoang trong ma ba cot ben tren de
 * lai, va khong duoc dai ra lam day Hen gio xuong duoi nep gap.
 */
.log-band { margin-top: var(--k-4); background: none; border: 0; border-top: 1px solid var(--line);
  border-radius: 0; padding: var(--k-3) 0 0; }
.log-band > summary { font-size: var(--chu-xs); text-transform: uppercase;
  letter-spacing: .09em; color: var(--muted); }
.log-band #d-log { max-height: 11rem; overflow-y: auto; margin-top: var(--k-2); }

.vitals { display: grid; grid-template-columns: auto 1fr; gap: 0 var(--k-2);
  margin: 0 0 14px; font-size: var(--chu-xs); }
.vitals dt { color: var(--muted); }
.vitals dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.vitals dd.tot { color: var(--ok-text); }
.vitals dd.xau { color: var(--bad-text); font-weight: 700; }

/*
 * BAM NHANH NAM NGANG, khong xep cot.
 *
 * ── DO THAT 19/08/2026 ────────────────────────────────────────────────────
 *
 * Moi nut la mot cot doc (bieu tuong tren, chu duoi, padding .5rem) nen cao
 * 47px; chin nut thanh ba hang, 150px chi de chua chin dong chu ngan. Cong
 * voi khoi "Dich day" va thanh nhac nen, ca cot phai day len va moi thu khac
 * bi day xuong duoi man hinh.
 *
 * Nam ngang thi mot nut cao ~28px va ba hang con ~90px. Chu van doc duoc vi
 * no nam CANH bieu tuong chu khong duoi.
 */
.nut-nhanh { display: grid; gap: var(--k-1); grid-template-columns: repeat(3, 1fr); }
.nut-nhanh .nn { display: flex; flex-direction: row; align-items: center;
  justify-content: center; gap: var(--k-1); padding: var(--k-1) var(--k-1); line-height: 1; }
/* Hai nut cuoi DOI TRANG THAI BEN SHOPEE — tach khoi bay nut chi doi thu tren
 * may minh bang mot duong ke, va cai ket thuc buoi live thi vien do. */
.nut-nhanh .nn.ben-ngoai { border-top: 2px solid var(--line); }
.nut-nhanh .nn.nguy { border-color: var(--bad-vien); color: var(--bad-text); }
.nut-nhanh .nn.nguy:not(:disabled):hover { background: rgba(240,85,90,.12); }
.nn-bieu { font-size: var(--chu-base); opacity: .75; flex: none; }
/* Chu KHONG xuong dong: mot nut hai dong lam ca hang cao gap doi, va hang do
 * keo theo hai nut ben canh du chu cua chung ngan. */
.nn-ten { font-size: var(--chu-xs); font-weight: 500; text-align: left;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bn-am { display: grid; gap: var(--k-1); margin-top: var(--k-1); }
.bn-truot { display: flex; align-items: center; gap: var(--k-2); margin: 0;
  font-size: var(--chu-xs); color: var(--text); }
.bn-truot input[type="range"] { flex: 1; margin: 0; padding: 0; width: auto; }
.bn-am select { margin: 0; font-size: var(--chu-sm); padding: var(--k-1) var(--k-2); }
/* `> img`, khong phai `img`: khong gioi han con TRUC TIEP thi quy tac nay
 * bat luon anh san pham trong dai de len khung, keo no tu 30x30 thanh 166x295
 * — dai phu kin mat nguoi dan, dung cai no sinh ra de khoi che. */
.dp-xem > img { width: 100%; height: 100%; object-fit: cover; display: block; }
.dp-khong { font-size: var(--chu-2xl); opacity: .4; }
.dp-live { position: absolute; top: var(--k-1); left: var(--k-1); font-size: var(--chu-xs);
  font-weight: 700; letter-spacing: .04em; color: #fff; white-space: nowrap;
  background: rgba(200,30,40,.92); padding: 0 var(--k-1); border-radius: var(--radius-sm); }
.dp-than { display: flex; flex-direction: column; gap: var(--k-2); min-width: 0; }
.dp-nhan-phu { font-size: var(--chu-xs); font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--muted); }
.dp-ke-the { display: flex; gap: var(--k-2); align-items: center; margin-top: var(--k-1);
  min-width: 0; }
.dp-ke-the img { width: 56px; height: 32px; object-fit: cover; border-radius: var(--radius-sm);
  flex: none; }
.dp-ke-the > div { min-width: 0; display: flex; flex-direction: column; }
.dp-ke-the b { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dp-chinh { display: flex; align-items: baseline; gap: var(--k-2); flex-wrap: wrap; }
.dp-nhan { font-size: var(--chu-xs); font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--ok-text); }
.dp-ten { font-size: var(--chu-base); letter-spacing: -.01em; }
.dp-thanh { height: 6px; border-radius: var(--radius-sm); background: var(--panel-3); overflow: hidden; }
.dp-thanh i { display: block; height: 100%; background: var(--accent); transition: width .8s linear; }
.dp-duoi { display: flex; gap: var(--k-5); align-items: baseline; flex-wrap: wrap;
  font-size: var(--chu-sm); font-variant-numeric: tabular-nums; }
.dp-ke { min-width: 0; }

/* ---------- canh bao tuan thu: gap lai ----------
 * Ba canh bao trai het chiem 300px dau man hinh va day moi thu dieu khien
 * xuong duoi mep. Nguoi dieu hanh doc chung dung mot lan roi thoi — nen mac
 * dinh la MOT DONG. Co muc "bat buoc sua" thi mo san: do la thu co the lam
 * khoa gian hang.
 */
.tt-gop { grid-column: 1 / -1; }
.tt-gop > summary { gap: var(--k-2); }
.tt-cham { width: 8px; height: 8px; border-radius: 50%; background: var(--warn);
  flex: none; }
.tt-cham.nang { background: var(--bad); }
.tt-nang { color: var(--bad-text); }
.tt-than { margin-top: var(--k-3); display: grid; gap: var(--k-2);
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.tt-than .tuanthu { margin: 0; }

/* ---------- chu giai thich: co nhung khong chen cho ----------
 * Moi khoi co mot doan giai thich dai 2-3 dong. Cong lai chung day cac nut
 * dieu khien xuong duoi mep man hinh. Nguoi dung moi can chung; nguoi da quen
 * thi khong. Nen: tat duoc mot lan cho ca trang.
 */
.hint { font-size: var(--chu-sm); color: var(--muted); line-height: 1.5; margin: var(--k-1) 0 var(--k-2); }
body.gon .hint { display: none; }
body.gon .canh-bao { font-size: var(--chu-sm); }
.nut-gon { font-size: var(--chu-xs); }
.khu-nguy-hiem { display: flex; align-items: center; gap: var(--k-3); padding: var(--k-3) var(--k-4);
  border: 1px dashed rgba(240,85,90,.35); border-radius: var(--radius-lg); }
.khu-nguy-hiem .muted { font-size: var(--chu-sm); }

/* ---------- tong quan: hai cot ----------
 * Nhat ky hoat dong truoc day nam GIUA man hinh va chiem nua chieu cao, trong
 * khi no la thu it phai hanh dong nhat. Day sang cot phu; danh sach phien —
 * thu nguoi dung toi de lam — duoc ca chieu rong con lai.
 */
.hai-cot { display: grid; gap: var(--k-6); grid-template-columns: minmax(0, 1fr) 340px;
  align-items: start; }
@media (max-width: 1180px) { .hai-cot { grid-template-columns: minmax(0, 1fr); } }
.cot-phu > div { background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--r); padding: var(--k-4) var(--k-4); }
.cot-phu :is(h1, h2, h3, h4) { margin: 0 0 var(--k-1); font-size: var(--chu-base); }
.cot-phu .log { max-height: 62vh; overflow-y: auto; }

/* O so lieu: them dong phu, va mau theo y nghia. */
.tile em { font-size: var(--chu-xs); color: var(--muted); font-style: normal; margin-top: var(--k-1); }
.tile.tien b { color: var(--ok-text); }
.tile.mo b { color: var(--muted); }

/* ---------- nhat ky trong cot phu hep ----------
 * Cot 340px lam dong nhat ky (thoi gian · nhan · viec · ten phien) vo thanh
 * bon cot hep, chu xuong dong tung chu va sinh thanh cuon ngang. Trong cot hep
 * thi XEP DOC: gio o tren, noi dung o duoi.
 */
.cot-phu .log li { display: block; padding: var(--k-2) 0; }
.cot-phu .log li time { display: block; font-size: var(--chu-xs); margin-bottom: 0; }
.cot-phu .log li .nhan-loai { margin-right: var(--k-1); }
.cot-phu .log { max-height: 58vh; }
.cot-phu .log li a, .cot-phu .log li .ten { white-space: normal; }


/* O so lieu: bot cao, chu can doi hon. */
.tile { padding: var(--k-3) var(--k-4); }
.tile b { font-size: var(--chu-2xl); }
.tile span { font-size: var(--chu-xs); color: var(--text); opacity: .85; }

/* ---------- "Can chu y": gom viec dang can lam vao MOT cho ---------- */
#can-chu-y :is(h1, h2, h3, h4) { margin: 0 0 var(--k-2); font-size: var(--chu-base); }
/* "Can chu y": moi viec mot the vua du rong, khong phai mot dai tran ngang
   chi de dat mot cau chu ben trai. */
.cy { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap;
  gap: var(--k-2); align-items: flex-start; }
.cy > .cy-muc { flex: 1 1 24rem; max-width: 42rem; }
.cy-muc { display: flex; gap: var(--k-3); align-items: flex-start; cursor: pointer;
  background: var(--panel); border: 1px solid var(--line); border-left-width: 3px;
  border-radius: var(--radius-lg); padding: var(--k-3) var(--k-3); line-height: 1.5;
  transition: border-color .14s, transform .14s; }
.cy-muc:hover { border-color: var(--accent); transform: translateY(-1px); }
.cy-muc.nang { border-left-color: var(--bad); }
.cy-muc.canh-bao { border-left-color: var(--warn); }
.cy-muc.goi-y { border-left-color: var(--tin-text); }
.cy-muc .nhan { font-size: var(--chu-xs); font-weight: 700; text-transform: uppercase;
  letter-spacing: .05em; white-space: nowrap; padding-top: var(--k-1); flex: none; }
.cy-muc.nang .nhan { color: var(--bad-text); }
.cy-muc.canh-bao .nhan { color: var(--warn-text); }
.cy-muc.goi-y .nhan { color: var(--tin-text); }
.cy-lam { display: block; font-size: var(--chu-sm); color: var(--muted); margin-top: var(--k-1); }

/* ---------- luoi cac khoi doc lap ----------
 * Sau khoi doc lap xep MOT COT thanh mot trang cao 2.070px trong cua so 851px —
 * muon xem "suc khoe cau hinh" phai cuon qua ba khoi khong lien quan. Chung
 * khong phu thuoc nhau, nen xep luoi.
 */
/* `auto-fit` chu khong `auto-fill` — cung ly do voi `.tt-grid` o tren. */
/*
 * 420px — DA THU 320 va no HONG.
 *
 * Voi 320 thi khung 1.330px ra bon cot va ca bon the nam mot hang, nghe thi
 * dep hon. Nhung the "Shop" co mot bang bon cot (ten · san · logo · nut Luu
 * tru): o 320px thi o nhap ten shop bi bop con 40px, hien ra dung hai chu
 * "Sh". Mot hang thang hon ma khong go duoc ten shop thi khong phai la hon.
 */
.luoi-o { display: grid; gap: var(--k-4); align-items: start;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); margin-top: var(--k-4); }
.luoi-o > .o { background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--r); padding: var(--k-4) var(--k-5); min-width: 0; }
.luoi-o > .o > :is(h1, h2, h3, h4):first-child { margin-top: 0; }
.luoi-o > .o table { width: 100%; }
.luoi-o > .o .bang-cuon { overflow-x: auto; }

/* Bang trong khoi hep: cot ngan khong duoc be chu ("gui-binh-luan" vo lam ba
 * dong). Cho bang cuon ngang trong khoi thay vi be chu. */
.luoi-o .o table { table-layout: auto; }

/*
 * Bang Thanh vien: het chieu ngang, KHONG cuon ngang.
 *
 * Do duoc tren anh chup: trong mot o luoi 1/3 man hinh, bang co bon cot
 * (Nguoi · Vai tro · Shop duoc giao · Xoa) sinh thanh cuon ngang va CAT MAT
 * nua nut Xoa. Mot trang phan quyen ma cat mat nut xoa thi khong tin duoc
 * phan con lai. Bang nay dai theo chieu ngang nen cho no ca hang.
 */
.luoi-o > .o.het-hang { grid-column: 1 / -1; overflow-x: visible; }
.luoi-o > .o.het-hang table { table-layout: auto; }
#member-table td:nth-child(3) { white-space: normal; }
/*
 * Cot Xoa bam SAT noi dung no xoa, khong bi day ra mep xa nhat co the.
 *
 * Cho bang chay het 1400px thi chua duoc cat xen nhung de lai hon 400px trang
 * GIUA mot dong bang, va nut xoa cach thu no xoa nua man hinh. Cho ba cot dau
 * chiem phan cua chung, cot nut chi rong bang chinh no.
 */
#member-table { width: 100%; max-width: 58rem; }
#member-table th:first-child, #member-table td:first-child { width: 40%; }
#member-table th:nth-child(2), #member-table td:nth-child(2) { width: 18%; }
#member-table td:last-child, #member-table th:last-child { text-align: right;
  white-space: nowrap; width: 1%; }
.luoi-o .o td:first-child, .luoi-o .o th:first-child,
.luoi-o .o td:nth-child(2), .luoi-o .o time { white-space: nowrap; }
.luoi-o .o { overflow-x: auto; }

/* ---------- bang hang doi ----------
 * Danh sach tho (so, ten, thoi luong) khong tra loi duoc ba cau hoi cua nguoi
 * dieu hanh: video nao gan SAN PHAM nao, cai nao DANG PHAT, cai nay SAP TOI luc
 * may gio. Xep thanh cot de doc luot duoc.
 */
/*
 * BE RONG PHAI THEO NOI DUNG THAT, VA HANG TIEU DE PHAI THANG COT VOI HANG DU LIEU.
 *
 * Ban truoc de cot cuoi la `auto`. Moi `li` la MOT luoi rieng, nen cot `auto`
 * cua hang tieu de (rong 0 — no khong co nut) khac cot `auto` cua hang du lieu
 * (80px). Hai hang chia phan con lai theo hai cach, va tieu de KHONG nam tren
 * dung cot no dat ten. Chot be rong cot nut thi ca hai hang chia giong nhau.
 *
 * Do duoc trong buong lai (cot hang doi rong 496px), phien chua phat:
 *   ten video      40px  — "Sukem 75 phut" can 97px, cat con "Suk…"
 *   "Con bao lau"  99px  — dang hien mot dau gach
 * Cot dai nhat dang danh cho o rong nhat. Cung benh voi bang kich ban.
 *
 * Be rong moi lay tu chu DAI NHAT that su chay qua o do:
 *   "sau 11p 49s" -> 5,4rem   (3,4rem cat mat chu cuoi — rang buoc cu, van giu)
 *   "75p 04s"     -> 3,6rem
 *   "↑ ↓ ✕"       -> 5,2rem
 *   anh bia       -> 30px     (do computed, KHONG lay tu `.hd-anh img` — luat do
 *                              thua dac hieu va chua bao gio chay; xem duoi)
 */
.queue li { display: grid; align-items: center; gap: var(--k-2);
  grid-template-columns: 1.5rem 30px minmax(0,1fr) 3.6rem 5.4rem 5.2rem;
  background: var(--panel-2); border-radius: var(--radius-md); padding: var(--k-2) var(--k-2); margin-bottom: var(--k-1); }
.queue li.hd-dau, .queue li.hd-cuoi { background: none; font-size: var(--chu-xs);
  color: var(--muted); padding: var(--k-1) var(--k-2); margin-bottom: var(--k-1); }
.queue li.hd-cuoi { display: block; margin-top: var(--k-2); font-size: var(--chu-sm); }
/*
 * MOT DONG CHU trong danh sach hang doi — khong chiu grid sau cot o tren.
 *
 * Thieu luat nay thi cau thong bao bi bam ra tung o: moi tu mot dong, va nut
 * "+ Thêm" trong cau roi vao mot o giua. Do that tren san xuat 19/08/2026.
 */
.queue li.hd-trong { display: block; background: none; padding: var(--k-2) 0;
  line-height: 1.5; }
.queue li.dang { background: rgba(53,192,122,.12); box-shadow: inset 2px 0 0 var(--ok); }
/*
 * HANG KE TIEP co dau rieng, mo hon hang dang phat.
 *
 * Mot hang doi 60 phut xao tron thi "cai nao sap len" khong suy ra duoc bang
 * mat — cai o ngay duoi hang dang phat KHONG phai cai ke tiep. Danh dau no la
 * cach duy nhat noi ra dieu do.
 */
.queue li.ke { box-shadow: inset 2px 0 0 var(--muted); }
/*
 * KHONG khai lai be rong o day — luat nay THUA cuoc dac hieu va da chet tu lau.
 *
 * `.queue li img` (0,1,2) o tren dat 30x42 va thang `.hd-anh img` (0,1,1) bat ke
 * thu tu. Do computed trong buong lai: anh la 30x42, khong phai con so viet o
 * day. Ban truoc dong nay ghi `44px 26px`, ban nay tung ghi `40px 24px` — ca hai
 * deu chua bao gio co hieu luc, va chu thich di kem ("de 44px trong cot 40px thi
 * anh tran ra ngoai") ta mot chuyen khong xay ra.
 *
 * 30x42 la DUNG cho video doc: cat ngang 40x24 tren mot khung 9:16 cho ra mot
 * lat cat vo nghia. Nen giu nguyen, chi bo phan chet va chot cot theo so THAT.
 */
.hd-anh img { display: block; }
.queue .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hd-dang, .hd-ke { display: block; font-size: var(--chu-xs); font-weight: 700;
  text-transform: uppercase; letter-spacing: .05em; }
.hd-dang { color: var(--ok-text); }
.hd-ke { color: var(--muted); }
/* Nay `.hd-sp` nam TRONG o ten, thanh dong thu hai — khong con la mot cot. */
.hd-sp { display: block; font-size: var(--chu-xs); overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; }
.hd-sp::before { content: '🛒 '; }
.queue .sap { font-variant-numeric: tabular-nums; }
/* Dau cot doi ten khi ban nhap lech: cot do dang khong tinh duoc gi ca. */
.hd-lech { font-style: normal; color: var(--warn-text); font-weight: 700; }
.hd-nut { display: flex; gap: var(--k-1); }
.hd-nut button { padding: var(--k-1) var(--k-2); }
@media (max-width: 760px) {
  .queue li { grid-template-columns: 1.5rem 40px minmax(0,1fr) auto; }
  /* `.hd-sp` khong con la con truc tiep cua `li` — no nam trong o ten. Bo `>`
   * thi luat nay khong an nua, va hang van bay du sau cot. */
  .queue li .hd-sp, .queue li > .sap, .queue li.hd-dau { display: none; }
}

/* ---------- bang suc khoe cau hinh ----------
 * Bay cot: Muc · Cach tim · Dat · Chet · Chua san sang · Tinh trang · Can lam.
 * Bop vao mot o luoi 1/3 man hinh thi ba cot cuoi bi cat — dung ba cot noi ly
 * do va viec phai lam, tuc la mat dung phan bang nay sinh ra de noi.
 */
#suc-khoe table { table-layout: fixed; width: 100%; min-width: 46rem; }
#suc-khoe th, #suc-khoe td { white-space: normal; vertical-align: top;
  padding: var(--k-2) var(--k-2); }
#suc-khoe th:nth-child(1), #suc-khoe td:nth-child(1) { width: 18%; }
#suc-khoe th:nth-child(2), #suc-khoe td:nth-child(2) { width: 16%; }
#suc-khoe th:nth-child(3), #suc-khoe td:nth-child(3),
#suc-khoe th:nth-child(4), #suc-khoe td:nth-child(4) { width: 6%; white-space: nowrap; }
#suc-khoe th:nth-child(5), #suc-khoe td:nth-child(5) { width: 10%; white-space: nowrap; }
#suc-khoe th:nth-child(6), #suc-khoe td:nth-child(6) { width: 14%; white-space: nowrap; }
#suc-khoe th:nth-child(7), #suc-khoe td:nth-child(7) { width: 30%; }

/* Hai nut canh nhau duoi moi viec hong. */
.hang-nut { display: flex; gap: var(--k-2); flex-wrap: wrap; }

/* ---------- thu vien video: BANG ----------
 * The doc 190x300px chua duoc bay cai mot man hinh; muoi bon video la cuon ba
 * man. Hang gon 44px thi ca thu vien nam trong mot man, va ba cau hoi that
 * ("cai nao san sang · cai nao dang bi khoa · cai nao thieu kich ban") doc
 * theo COT nhanh hon doc theo the.
 */
/*
 * Be rong cot dat CO DINH, khong tha cho trinh duyet tu chia.
 *
 * `table-layout: auto` cho cot "Thao tac" (hai nut) va cot trang thai (hai huy
 * hieu) doi het cho, con cot Ten bi bop con vai ky tu — do duoc: mot ten ngan
 * vo doc thanh 141px cao, va hang thanh 153px. Dung cai bang nay sinh ra de
 * tranh.
 */
.v-bang { table-layout: fixed; width: 100%; min-width: 58rem; }
.v-bang th.v-anh, .v-bang td.v-anh { width: 3rem; padding-right: 0; }
.v-bang th:nth-child(2) { width: auto; }
.v-bang th:nth-child(3) { width: 11rem; }
.v-bang th:nth-child(4) { width: 6.5rem; }
.v-bang th:nth-child(5) { width: 7rem; }
.v-bang th:nth-child(6) { width: 10rem; }
.v-bang th:nth-child(7) { width: 15rem; }
.v-bang .nm { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.v-bang td { vertical-align: middle; }
/* Kich thuoc DUT KHOAT, khong dung aspect-ratio: aspect-ratio 9/16 tren be
 * rong 56px cho ra cao 99px, va max-height khong ep duoc no — do duoc hang cao
 * 162px. Video doc thi cat theo chieu cao, khong keo theo ty le. */
.v-bang td .thumb { width: 34px; height: 46px; flex: none;
  border-radius: var(--radius-sm); background: var(--panel-3) center/cover no-repeat;
  display: grid; place-items: center; cursor: pointer; position: relative; }
.v-bang td { padding-top: var(--k-1); padding-bottom: var(--k-1); }
.v-bang td .thumb .ph { font-size: var(--chu-sm); opacity: .4; }
.v-bang .nm { display: block; font-weight: 500; }
.v-bang .dung-line, .v-bang .bad-line { display: block; font-size: var(--chu-xs); }
.v-bang .nums { font-variant-numeric: tabular-nums; white-space: nowrap; }
.v-bang td:nth-child(3) { white-space: nowrap; }
.v-bang td:nth-child(3) .badge + .badge { margin-left: var(--k-1); }
.v-bang .v-nut { white-space: nowrap; }
.v-bang .v-nut button + button { margin-left: var(--k-1); }
/* Hang thu vien: chi hien nut khi re chuot thi phai DI CHUOT MOI BIET co gi
 * bam duoc. Giu nut luon hien, chi lam mo di. */
.v-bang .v-nut button { opacity: .78; }
.v-bang tr:hover .v-nut button { opacity: 1; }
/*
 * `#video-grid` da tro lai la LUOI THE (xem cuoi tep).
 *
 * Cho nay truoc ghi de `display: block` — vet tich cua lan doi tu the sang
 * bang. Quen go thi quy tac ID thang quy tac lop, va luoi moi ra dung MOT cot
 * cao 1600px: dung mau "hai duong cho mot viec thi chung se lech nhau".
 */
@media (max-width: 1000px) {
  .v-bang th:nth-child(6), .v-bang td:nth-child(6),
  .v-bang th:nth-child(5), .v-bang td:nth-child(5) { display: none; }
}

/* Dau hieu bam-de-xem tren anh thu nho trong BANG.
 * Truoc day no gan vao `.vcard .thumb::after`. Doi the sang bang thi `.vcard`
 * thanh ma chet, va anh thu nho mat luon dau hieu la bam duoc — chuot bien
 * thanh ban tay nhung khong co gi noi truoc dieu do. */
.v-bang td .thumb::after { content: '▶'; position: absolute; inset: 0;
  display: grid; place-items: center; font-size: var(--chu-base); color: #fff;
  text-shadow: 0 1px 6px rgba(0,0,0,.7); opacity: 0; transition: opacity .15s; }
.v-bang tr:hover .thumb::after, .v-bang .thumb:hover::after { opacity: .95; }

/* ---------- san pham dang ghim: trong cot bam nhanh ----------
 * No tung nam trong `.dk-lam` duoi buong lai, cao 513px va rong ~90%. Nay nam
 * ngay duoi nut "Ghim san pham" — cung mot viec, cung mot cho — va lap dung
 * khoang trong ~200px con lai duoi luoi chin nut.
 */
.bn-ghim { background: none; border: 0; border-radius: 0; padding: var(--k-3) 0 0;
  margin-top: var(--k-2); border-top: 1px solid var(--line); }
.bn-ghim > summary { font-size: var(--chu-xs); font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--muted); }
.bn-ghim > summary::before { display: none; }
.bn-ghim, .bn-ghim * { min-width: 0; }
.bn-ghim .ghim-the { flex-wrap: wrap; }
.bn-ghim button { white-space: normal; text-align: left; }

/* ---------- kich ban tung video: BANG ----------
 * Moi video mot the co san o soan bon dong, luon bung ra: 14 video = 2.103px,
 * 60% ca trang Ban hang. Nhung cau hoi that o day la doc luot — video nao ĐÃ
 * co kich ban, cai nao chua, cai nao gan nham san pham — va ba cau do doc theo
 * cot. Soan thi moi lan chi soan mot cai.
 */
/* Cot 4 la "Boi canh" (Bac 5) — them mot cot thi MOI so nth-child duoi day
 * deu truot mot bac. Do la ly do cac be rong nay nam sat nhau: sua mot cai ma
 * quen cac cai con lai thi bang lech mot cot ma khong bao gi. */
/* Hang dau bang kich ban: con bao nhieu video chua gan, va o loc xuong dung
   nhung cai do. */
.kb-dau { display: flex; align-items: center; gap: var(--k-4); flex-wrap: wrap;
  margin-bottom: var(--k-2); font-size: var(--chu-sm); }
.kb-dau label.inline { margin: 0; }
.kb-anh img[data-kb-xem] { cursor: pointer; border-radius: var(--radius-sm); }
.kb-anh img[data-kb-xem]:hover { outline: 2px solid var(--accent); }
.kb-bang { table-layout: fixed; width: 100%; min-width: 60rem; }
.kb-bang th.kb-anh, .kb-bang td.kb-anh { width: 4.5rem; }
.kb-bang th:nth-child(3) { width: 16rem; }   /* San pham */
.kb-bang th:nth-child(4) { width: 9rem; }    /* Boi canh */
.kb-bang th:nth-child(5) { width: 8rem; }    /* Kich ban */
.kb-bang th:nth-child(6) { width: 13rem; }   /* Thao tac */
.kb-bang input.kb-canh { margin: 0; padding: var(--k-1) var(--k-2); font-size: var(--chu-sm); width: 100%; }

/* ---------- bang kich ban canh (Bac 5) ---------- */
.canh-bang { width: 100%; table-layout: fixed; }
.canh-bang th { text-align: left; font-weight: 500; font-size: var(--chu-sm); }
.canh-bang th:nth-child(2) { width: 6rem; }
.canh-bang th:nth-child(3) { width: 12rem; }
.canh-bang th:nth-child(4) { width: 3rem; }
.canh-bang td { padding: var(--k-1) var(--k-1) var(--k-1) 0; vertical-align: middle; }
.canh-bang input, .canh-bang select { margin: 0; width: 100%;
  padding: var(--k-1) var(--k-2); font-size: var(--chu-sm); }
.kb-bang td { vertical-align: middle; padding-top: var(--k-1); padding-bottom: var(--k-1); }
.kb-bang td img, .kb-bang .kb-trong { width: 56px; height: 32px; border-radius: var(--radius-sm);
  object-fit: cover; display: block; background: var(--panel-3); }
.kb-bang td b { display: block; overflow: hidden; text-overflow: ellipsis;
  white-space: nowrap; font-weight: 500; }
.kb-bang td .muted { font-size: var(--chu-xs); }
.kb-bang select { margin: 0; padding: var(--k-1) var(--k-2); font-size: var(--chu-sm); }
.kb-bang .dung-line { display: block; font-size: var(--chu-xs); color: var(--warn-text); }
.kb-bang .kb-nut { white-space: nowrap; }
.kb-bang .kb-nut button + button { margin-left: var(--k-1); }
.kb-trangthai.thieu { color: var(--warn-text); }
.kb-bang tr.kb-soan td { padding-top: 0; }
.kb-bang tr.kb-soan textarea { width: 100%; font: inherit; resize: vertical; margin-top: var(--k-1); }
#kb-list { overflow-x: auto; }

/* ---------- bang san pham ----------
 * `table-layout: auto` cho cot "Ma Shopee" (mot so tam chu so) chiem 290px
 * trong khi cot "Ten" — thu duy nhat dai — bi ep. Khoa be rong theo NOI DUNG
 * THAT chu khong theo tieu de.
 */
/*
 * TAM cot, khong phai bay. Cot dau la ANH san pham (trong khi chua co anh) va
 * cot cuoi la nut. Danh so lech mot lam cot anh RONG rong 466px va cot Ten bi
 * ep con 144px — ten vo hai dong, hang cao 107px, ca bang len 606px. Do duoc,
 * va no la loi do CHINH ban va nay gay ra.
 */
#sp-table { table-layout: fixed; width: 100%; min-width: 52rem; }
#sp-table th:nth-child(1) { width: 3.5rem; }   /* ảnh */
#sp-table th:nth-child(2) { width: auto; }     /* tên + SKU */
#sp-table th:nth-child(3) { width: 10rem; }
#sp-table th:nth-child(4) { width: 8.5rem; }
#sp-table th:nth-child(5) { width: 6rem; }
#sp-table th:nth-child(6) { width: 5rem; }
#sp-table th:nth-child(7) { width: 5rem; }
#sp-table th:nth-child(8) { width: 9rem; }
#sp-table td:first-child b { display: block; overflow: hidden; text-overflow: ellipsis;
  white-space: nowrap; }
#sp-table td { vertical-align: middle; }
#sp-table td:last-child { white-space: nowrap; text-align: right; }
#sp-table td:last-child button + button { margin-left: var(--k-1); }

/* ---------- muc con trong thanh ben ----------
 * Bon nhom cua man Ban hang khong phu thuoc nhau nhung xep chung mot man thi
 * man do cao 2,61 man phai cuon. Tach thanh bon muc con: moi muc gon trong mot
 * man, va thanh ben noi ro dang o dau.
 *
 * `background: transparent` la BAT BUOC, khong phai trang tri: khong co no thi
 * nut lay nen mac dinh cua trinh duyet — bon o TRANG tren mot thanh ben toi.
 * Do duoc tren anh chup nen toi.
 */
.rail-con { display: flex; flex-direction: column; gap: 0;
  margin: 2px 0 var(--k-1) var(--k-4); padding-left: var(--k-2);
  border-left: 1px solid var(--line); }
.tab-con { display: block; width: 100%; text-align: left;
  background: transparent; color: var(--muted);
  padding: var(--k-1) var(--k-2); border-radius: var(--radius-sm); border: 0; font-size: var(--chu-sm);
  font-weight: 500; }
.tab-con:hover:not(.active) { background: var(--panel-2); color: var(--text); }
.tab-con.active { color: var(--accent-text); font-weight: 600; background: var(--accent-dim); }
@media (max-width: 900px) {
  .rail-con { flex-direction: row; flex-wrap: wrap; margin: 0; border: 0; padding: 0; }
  .tab-con { width: auto; }
}
/* Dang o man khac: muc con van bam duoc (chung la loi tat) nhung KHONG duoc
 * sang nhu dang mo. */
.rail-con.ngoai .tab-con.active { color: var(--muted); background: transparent;
  font-weight: 500; }


/* ---------- luoi nut doc/chan doan cua tien ich ----------
 * Sau nut, ten dai ngan khac nhau. `auto-fit` de chung tu xep thay vi ep hai
 * cot: ep cot thi mot ten dai lam gay ca hang. */
.ti-luoi { display: grid; gap: var(--k-1);
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr)); }
.ti-luoi button { width: 100%; }

/* Bang dieu hanh: hang bam duoc, va hang khan thi phai nhin thay tu xa. */
tr[data-mo-phien] { cursor: pointer; }
tr.hang-khan td { background: var(--bad-bg, rgba(220, 60, 60, .07)); }
tr.hang-khan td:first-child { box-shadow: inset 3px 0 0 var(--bad-text, var(--bad-text)); }

/* Dong "chua co so": thay cho mot o giu cho. Mot dong thay vi 90px cho trong. */
.chua-co { margin: -var(--k-2) 0 var(--k-4); }

/* Nhom phien da dung: gop lai, khong xep ngang hang voi phien dang song. */
.nhom-cu { margin-top: var(--k-2); }
.nhom-cu > summary { cursor: pointer; color: var(--muted); font-size: var(--chu-sm);
  padding: var(--k-2) var(--k-1); user-select: none; }
.nhom-cu > summary:hover { color: var(--text); }
.nhom-cu[open] > summary { margin-bottom: var(--k-1); }

/* Dong gop "N phien da xong" tren bang dieu hanh. */
.hang-gop td { text-align: center; padding: var(--k-2); }
.hang-gop button { color: var(--muted); }

/*
 * BANG CHAN DOAN CUON TRONG KHUNG, khong keo dai ca trang.
 *
 * Do that: tab Tien ich cao 6.123px vi ba bang chan doan 51 / 36 / 15 dong ve
 * het chieu dai. Chin man hinh cuon de di qua mot tab ma phan lon la nhat ky.
 *
 * Chung la bang de TRA CUU, khong phai de doc tu tren xuong — nen mot khung
 * cao 420px co thanh cuon rieng dung hon, va cac khoi ben canh lai nhin thay
 * duoc cung luc.
 */
.bang-cao { max-height: 420px; overflow-y: auto; }
.bang-cao thead th { position: sticky; top: 0; z-index: 10; }

/* Hang tim san pham: o tim vua phai, so dem khong xuong dong. */
#sp-tim, #tv-tim { max-width: 34rem; }
#sp-dem { white-space: nowrap; }

/*
 * Man Tinh trang chi co HAI khoi canh nhau ("Tung bo phan", "May phat") va mot
 * khoi trai het hang. Voi luoi `auto-fit minmax(420px)` thi hang dau ra BA cot
 * va cot thu ba bo trong — 425px chet ben phai.
 *
 * Chot hai cot cho dung man nay: hai khoi that gian ra day hang.
 */
/*
 * `auto-fit` chu KHONG phai `auto-fill` — va tran nam o `.o`, khong o cot.
 *
 * Voi hai the tren khung 1.330px, `auto-fill` sinh hai cot 655px va the ben
 * phai ("May phat" — mot bang ba cot, cao 100px) phai gian ra kin ca cot do,
 * de lai mot vung trong ben trong chinh no. Xem chu thich o `.ds-phien` ve ve
 * tren / ve duoi.
 */
/* 560px, khong phai 430: voi 430 thi khung 1.330px sinh BA cot, hai the chiem
   hai cot dau va cot thu ba de trong — ma `auto-fit` khong thu no lai duoc, vi
   the "Su co gan day" (`het-hang`) an ca ba cot nen ca ba deu phai ton tai. */
.luoi-hai { grid-template-columns: repeat(auto-fit, minmax(min(560px, 100%), 1fr)); }


/* ---------- chip cau soan san duoi moi binh luan ----------
 * Bam la gui luon. Xep ngang, xuong dong duoc, va CAT bang dau ba cham chu
 * khong xuong dong giua cau — mot hang chip cao deu thi liec mot cai la chon
 * duoc, con cao thap lo nho thi phai doc tung cai. */
.bl-chip { display: flex; flex-wrap: wrap; gap: var(--k-1); margin: var(--k-1) 0 2px; }
.bl-chip .chip {
  font-size: var(--chu-xs); padding: var(--k-1) var(--k-2); border-radius: 999px;
  background: var(--panel-2); color: var(--text); border: 1px solid var(--line);
  max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.bl-chip .chip:hover:not(:disabled) { border-color: var(--accent); }

/* ── PHAT NHIEU PHIEN (Bang dieu hanh) ─────────────────────────────────────
 *
 * Mau lay tu bien co san (`--ok-text`, `--bad-text`, `--warn-text`) chu khong
 * go ma hex: bang mau doi theo sang/toi o `@media (prefers-color-scheme)`, va
 * mot ma hex go tay se thanh chu den tren nen den o che do toi.
 *
 * Cac lop `.ok/.bad/.warn` o day dat trong `.loat` — KHONG dinh nghia toan cuc.
 * Toan cuc thi chung se dam vao `.dot.ok`, `.toast.bad`... dang dung o cho khac.
 */
.loat { margin: var(--k-2) 0 var(--k-4); }
.loat-hop {
  border: 1px solid var(--line); border-radius: var(--radius-lg); padding: var(--k-2) var(--k-3);
  background: var(--panel);
}
.loat-hop > summary { cursor: pointer; font-weight: 600; user-select: none; }
.loat-ds { list-style: none; margin: var(--k-3) 0 0; padding: 0; }
.loat-ds > li {
  display: flex; align-items: center; gap: var(--k-2);
  padding: var(--k-1) 0; border-top: 1px solid var(--line);
}
/* Hang doi trong = van chon duoc, chi la mo di. KHONG khoa: bien do co the
 * cu (bang nay khong tu lam moi), va khoa mot thu that ra chay duoc thi nguoi
 * dung khong co cach nao vuot qua. */
.loat-ds > li.mo { opacity: .55; }
.loat-ds label {
  display: flex; align-items: center; gap: var(--k-2); flex: 1; min-width: 0; cursor: pointer;
  margin: 0; color: var(--text); font-size: var(--chu-sm); font-weight: 400;
}
/*
 * O DANH DAU PHAI DUOC TRA VE KICH THUOC THAT.
 *
 * Quy tac toan cuc o dau tep la `input { display: block; width: 100% }` — viet
 * cho o nhap chu. Mot o vuong danh dau roi vao do se GIAN RA CA HANG va day het
 * moi thu sang phai; do that lan dau ve bang nay: ten phien bi cat con "Sale
 * sáng — …" trong khi hang rong mot nua.
 *
 * `label` cung the: toan cuc no la `display: block; margin: .75rem 0` mau xam.
 */
.loat-ds input[type="checkbox"] {
  display: inline-block; width: auto; flex: none; margin: 0; padding: 0;
}
/* Ten phien la thu duoc phep cat khi chat; ten shop va cac the thi khong —
 * cat ten shop di thi hai phien cua hai shop khac nhau nhin y het nhau. */
.loat-ds label b { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.loat-ds label .muted { white-space: nowrap; flex: none; }
.the-nho {
  font-size: var(--chu-xs); padding: 0 var(--k-2); border-radius: 999px;
  border: 1px solid var(--line); color: var(--muted); white-space: nowrap;
}
.the-nho.bad  { color: var(--bad-text);  border-color: var(--bad); }
.the-nho.warn { color: var(--warn-text); border-color: var(--warn); }
.loat-chan {
  display: flex; align-items: center; gap: var(--k-3); flex-wrap: wrap;
  margin-top: var(--k-3); padding-top: var(--k-2); border-top: 1px solid var(--line);
}
.loat-chan .hint { margin: 0; flex: 1; min-width: 12rem; }
.loat ul.loat-kq { list-style: none; margin: var(--k-2) 0 0; padding: 0; font-size: var(--chu-sm); }
.loat ul.loat-kq > li { padding: var(--k-1) 0; line-height: 1.5; }
.loat .ok   { color: var(--ok-text); }
.loat .bad  { color: var(--bad-text); }
.loat .warn { color: var(--warn-text); }
.loat .muted { color: var(--muted); }

/* ── LOGO CUA SHOP ─────────────────────────────────────────────────────────
 *
 * O chon trong bang phai VUA voi cot. Quy tac toan cuc dau tep la
 * `input, select, textarea { display: block; width: 100% }` — viet cho o nhap
 * trong bieu mau — nen mot `<select>` trong o bang se gian het cot. Cung dung
 * cai da lam hong hang o vuong o bang "phat nhieu phien".
 */
.v-bang select.sm, .logo-sua select {
  display: inline-block; width: auto; min-width: 8rem; margin: 0;
  padding: var(--k-1) var(--k-2); font-size: var(--chu-sm);
}
.logo-sua { margin: var(--k-2) 0; }
.logo-sua :is(h1, h2, h3, h4) { margin: 0 0 var(--k-2); font-size: var(--chu-base); }
.logo-hang {
  display: flex; align-items: center; gap: var(--k-3); flex-wrap: wrap; margin-bottom: var(--k-2);
}
.logo-hang label.inline { margin: 0; }
.logo-hang input[type="number"] { display: inline-block; width: 5rem; margin: 0; }
.logo-hang input[type="file"] { display: inline-block; width: auto; margin: 0; }

/* ── SHOPEE NOI GI VE SHOP NAY (Tinh trang) ────────────────────────────────
 *
 * Mau lay tu bien co san — bang mau doi theo sang/toi, ma hex go tay se thanh
 * chu den tren nen den. Bai `web-moc` bat moi `var(--x)` khong ai dinh nghia.
 */
.quyen-host { margin-bottom: var(--k-4); }
.quyen-host :is(h1, h2, h3, h4) { margin: var(--k-4) 0 var(--k-1); font-size: var(--chu-sm); }
.canh-obs {
  border-left: 3px solid var(--warn); padding: var(--k-2) var(--k-3); margin: var(--k-2) 0;
  background: var(--panel-2); border-radius: 0 8px 8px 0; line-height: 1.5;
  font-size: var(--chu-sm);
}
.ok-obs { color: var(--ok-text); font-size: var(--chu-sm); margin: var(--k-2) 0; }
.quyen-ds { list-style: none; margin: var(--k-2) 0; padding: 0; font-size: var(--chu-sm); }
.quyen-ds > li { padding: 2px 0; }
/* Co quyet dinh dam hon: no khong ngang hang voi may co tien nghi. */
.quyen-ds > li.quyet-dinh { font-weight: 600; }
.co-bat { color: var(--ok-text); }
.co-tat { color: var(--bad-text); }
.quyen-bang { font-size: var(--chu-sm); }
.quyen-bang tr.lech td { color: var(--warn-text); }
.quyen-bang tr.khop td:first-child::after { content: ' ✓'; color: var(--ok-text); }

/* ── Bảng chọn sản phẩm (lấy thật từ Shopee) ─────────────────────────────
   Lưới ảnh giống bảng của Shopee: chủ shop đã quen mặt nó, và một bố cục
   khác đi chỉ bắt họ học lại một thứ họ đã biết. */
.sp-hop { border: 1px solid var(--border); border-radius: var(--radius-md); padding: var(--k-2); margin: 10px 0; }
.sp-luoi { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
           gap: var(--k-2); max-height: 380px; overflow-y: auto; padding: var(--k-1); }
.sp-o { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: var(--k-1);
        cursor: pointer; position: relative; font-size: var(--chu-xs); }
.sp-o.chon { border-color: #ee4d2d; background: #fff5f2; }
.sp-o img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: var(--radius-sm); display: block; }
.sp-o .ten { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
             overflow: hidden; margin: var(--k-1) 0 2px; }
/* #ee4d2d do 3,66:1 tren nen trang cua che do Sang — duoi chuan. O nay nam
 * trong hop thoai chon san pham nen phep do dong khong quet toi; bai kiem tinh
 * bat duoc. */
.sp-o .gia { color: var(--accent-text); font-weight: 600; }
.sp-o input { position: absolute; top: var(--k-2); left: var(--k-2); }
/* Món Shopee đang khoá (hết hàng / không đủ điều kiện live): hiện MỜ chứ
   không giấu — giấu đi thì chủ shop tìm mãi một món họ biết là mình có. */
.sp-o.khoa { opacity: .45; cursor: not-allowed; }


/* O loc cua bang chon san pham. Rong het hang: go tu khoa la viec lam nhieu
 * nhat o bang nay, khong phai mot thu phu. */
.sp-hop .sp-tim { width: 100%; margin: 6px 0 var(--k-2); }

/*
 * AN VOI MAT NHUNG KHONG AN VOI TRINH DUYET.
 *
 * `display:none` thi Chrome BO QUA o do khi tim truong username — dung cai
 * minh dang can no thay. Nen phai an bang cach khac.
 */
.an-thi-giac {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/*
 * O SO CO PHAN CAP.
 *
 * `.tile.lon` — hai o khan (dang chay / can chu y). To hon mot bac va chiem
 * nhieu chieu ngang hon, de mat roi vao dung cho.
 *
 * Truoc do ca sau o bang nhau, va "Dang chay" trong y het "Phien: 17".
 */
.tiles .tile.lon { grid-column: span 2; }
.tiles .tile.lon b { font-size: var(--chu-3xl); line-height: 1; }
/*
 * `--ok-text`, KHONG phai `--ok`.
 *
 * `--ok` la mau NEN/cham (chi co ban toi #35c07a); `--ok-text` moi la mau CHU
 * va co ban rieng cho che do Sang (#12734a). Dung nham thi con so "dang chay"
 * o Bang dieu hanh chi do 2,34:1 tren nen trang.
 */
.tiles .tile.lon.song b { color: var(--ok-text); }
.tiles button.tile { font: inherit; text-align: left; cursor: pointer;
  border: 1px solid var(--line); }
.tiles button.tile[disabled] { cursor: default; opacity: 1; }
.tiles button.tile:not([disabled]):hover { border-color: var(--accent, var(--primary)); }

/* Hop thoai hoi mot dong — thay cho `prompt()`. */
.hoi { border: 1px solid var(--line); border-radius: var(--r);
  padding: 0; background: var(--panel); color: inherit; max-width: 30rem; width: calc(100vw - 2rem); }
.hoi::backdrop { background: rgba(0,0,0,.35); }
.hoi form { padding: var(--k-4) var(--k-5) var(--k-4); display: grid; gap: var(--k-3); }
.hoi :is(h1, h2, h3, h4) { margin: 0; font-size: var(--chu-base); }
.hoi label { display: grid; gap: var(--k-1); }
.hoi input, .hoi select { width: 100%; }
.hoi .hoi-nut { display: flex; gap: var(--k-2); justify-content: flex-end; margin-top: var(--k-1); }

/* Canh bao "cong thuc cu": mot dong + nut, phan giai thich gap lai. */
.ctc-dong { display: flex; align-items: center; gap: var(--k-2); flex-wrap: wrap; }
.ctc-chitiet { margin-top: var(--k-2); }
.ctc-chitiet summary { cursor: pointer; font-size: var(--chu-sm); opacity: .8; }
.ctc-chitiet p { margin: var(--k-2) 0 0; }

/* "Can de y" o Thu vien video: gap lai, dem tren nhan. */
details.tv-thieu-hop > summary { cursor: pointer; font-weight: 600; display: flex;
  align-items: center; gap: var(--k-2); }
.the-nho.canh { background: var(--warn-bg, #fde68a); color: #7c4a03; }

/* "Dang phat" tren Bang dieu hanh — the to, doc duoc tu xa. */
/*
 * DAI "SAP TOI" — moi moc mot dong, gio dinh mep trai.
 *
 * Doc theo cot gio la doc duoc ca lich; ten phien di sau. Nguoc lai (ten
 * truoc) thi cot gio rang cua theo do dai ten va mat phai di zic zac.
 */
.saptoi { background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--r); padding: var(--k-3) var(--k-4); margin-bottom: var(--k-4); }
.saptoi-dau { font-size: var(--chu-xs); font-weight: 700; text-transform: uppercase;
  letter-spacing: .09em; color: var(--muted); margin-bottom: var(--k-2); }
.saptoi-ds { display: flex; flex-wrap: wrap; gap: var(--k-2); align-items: flex-start; }
.saptoi-the { flex: 1 1 15rem; max-width: 26rem; }
.saptoi-the { cursor: pointer; padding: var(--k-2) var(--k-2); border-radius: var(--radius-md);
  background: var(--panel-2); border: 1px solid var(--line); font-size: var(--chu-sm);
  display: grid; gap: var(--k-1); min-width: 0; }
.saptoi-the:hover { border-color: var(--accent); }
.st-dau { display: flex; align-items: baseline; gap: var(--k-2); }
.st-ten { overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-weight: 600; }
.st-chan { display: flex; align-items: center; gap: var(--k-1); flex-wrap: wrap; }
.saptoi-gio { font-variant-numeric: tabular-nums; font-weight: 700;
  display: inline-flex; align-items: baseline; gap: var(--k-1); }
.saptoi-ngay { font-style: normal; font-size: var(--chu-xs); font-weight: 400;
  color: var(--muted); }
.saptoi-viec { font-size: var(--chu-xs); font-weight: 700; text-transform: uppercase;
  letter-spacing: .05em; border-radius: var(--radius-sm); padding: 0 var(--k-1); }
.saptoi-viec.bat { color: var(--ok-text); background: var(--ok-nen); }
.saptoi-viec.tat { color: var(--muted); background: var(--panel-2); }
.saptoi-con { margin-left: auto; font-size: var(--chu-xs); white-space: nowrap; }

.dp-luoi { display: grid; gap: var(--k-3); margin: 0 0 var(--k-4);
  grid-template-columns: repeat(auto-fit, minmax(330px, 1fr)); }
.dp-the { background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--r); padding: var(--k-3) var(--k-4); cursor: pointer; }
.dp-the:hover { border-color: var(--accent, var(--primary)); }
.dp-the.khan { border-color: #dc2626; }
.dp-dau { display: flex; align-items: center; gap: var(--k-2); margin-bottom: var(--k-2); }
.dp-dau b { font-size: var(--chu-base); }
.dp-so { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--k-2); }
.dp-so > div { display: grid; gap: 0; }
.dp-so b { font-size: var(--chu-xl); line-height: 1.25; }
.dp-so span { font-size: var(--chu-xs); opacity: .7; }
/*
 * HUY HIEU NAY NAM TREN NEN DEN MO CO DINH (`rgba(0,0,0,.6)` de len anh xem
 * truoc), khong phai tren nen cua trang. Nen chu o day phai LUON sang.
 *
 * Da sua sai mot lan: doi sang `var(--warn-text)` thi o che do Sang token do
 * thanh nau sam #8a6100, va nau tren den mo chi do 1,04:1 — gan nhu tang hinh.
 * Mau cu #d97706 cung sai nhung sai o che do kia.
 */
.dp-so .dp-cho b { color: #ffc94d; }
.dp-ly { margin: var(--k-2) 0 0; font-size: var(--chu-sm); opacity: .85; }

/* ── Van hanh: don hang · giao van · ton kho ─────────────────────────────── */
/*
 * LUOI THE, khong phai bang dai ca man.
 *
 * Mot don co bay thu can nhin: ma, trang thai, mat hang, tien, noi nhan, thoi
 * gian. Nhet ca bay vao mot hang bang thi moi cot hep den muc phai cat chu, va
 * ten san pham — thu duy nhat giup nhan ra don — bi cat dau tien. The thi moi
 * don la mot khoi doc duoc, va man hinh rong bao nhieu thi xep bay nhieu cot.
 */
/*
 * LUOI COT DEU, khong phai flex-wrap.
 *
 * ── DO THAT 19/08/2026 ────────────────────────────────────────────────────
 *
 * `display: flex` + `align-items: flex-start` cho moi the tu cao theo noi
 * dung cua no: mot the co ba mat hang cao gap doi the co mot, va ca hang so
 * le nhu rang cua. Chu shop noi: "card thi lech nhau, cai cao cai thap,
 * khong thang hang".
 *
 * Luoi `auto-fill` chia cot deu nhau, va `stretch` (mac dinh cua grid) keo
 * moi the trong CUNG MOT HANG cao bang nhau. Khong con `max-width` rieng vi
 * cot da do luoi quyet dinh.
 */
.vh-luoi { display: grid; gap: var(--k-2);
  grid-template-columns: repeat(auto-fill, minmax(21rem, 1fr)); }

.vh-don { display: flex; flex-direction: column; gap: var(--k-2);
  padding: var(--k-3) var(--k-3); border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: var(--panel-2); border-left: 3px solid var(--line); }
/* Vien trai la thu doc duoc TU XA — mau trang thai o day thay cho viec phai
   doc chu tren tung the khi luot mat qua hai chuc don. */
.vh-don.canlam { border-left-color: #e08a00; }
.vh-don.dangdi { border-left-color: #2f7fd1; }
.vh-don.xong   { border-left-color: var(--ok-text); }
.vh-don.huy    { border-left-color: var(--bad-text); }
.vh-don.cho    { border-left-color: var(--muted); }

.vh-don-dau { display: flex; align-items: center; justify-content: space-between;
  gap: var(--k-2); flex-wrap: wrap; }
.vh-tt { font-size: var(--chu-xs); font-weight: 700; padding: 0 var(--k-2);
  border-radius: 999px; background: var(--panel-3); white-space: nowrap; }
.vh-tt.canlam { background: var(--warn-nen); color: var(--warn-text); }
.vh-tt.dangdi { background: var(--tin-nen); color: var(--tin-text); }
.vh-tt.xong   { background: var(--ok-nen); color: var(--ok-text); }
.vh-tt.huy    { background: var(--bad-nen); color: var(--bad-text); }

.vh-don-hang { display: flex; flex-direction: column; gap: var(--k-1); font-size: var(--chu-sm); }
.vh-mon { display: flex; gap: var(--k-2); align-items: center; }
/* Anh vuong 34px: du de nhan ra mon hang khi luot mat, chua du de mot the don
 * cao gap ruoi. `flex: none` giu no khong bi bop khi ten dai. */
.vh-mon-anh { width: 34px; height: 34px; flex: none; border-radius: var(--radius-sm);
  object-fit: cover; background: var(--panel-3); }
.vh-mon-trong { display: inline-block; }
.vh-mon-ten { min-width: 0; flex: 1; overflow: hidden; text-overflow: ellipsis;
  white-space: nowrap; }
.vh-mon-sl { flex: none; color: var(--muted); }
.vh-don-duoi { display: flex; justify-content: space-between; gap: var(--k-2);
  flex-wrap: wrap; font-size: var(--chu-sm); }
.vh-cod { font-style: normal; font-size: var(--chu-xs); font-weight: 700;
  padding: 0 var(--k-1); border-radius: var(--radius-sm); background: var(--warn-nen); color: var(--warn-text); }
.vh-don-huy { font-size: var(--chu-xs); color: var(--bad-text); }
.vh-don-nhan { font-size: var(--chu-xs); padding-top: var(--k-1);
  border-top: 1px solid var(--line); }
.vh-chon { display: flex; align-items: center; gap: var(--k-1); margin: 0; }
.vh-chon input { width: auto; margin: 0; }
.vh-gv-chon { display: flex; gap: var(--k-2); flex-wrap: wrap; align-items: flex-end;
  padding-top: var(--k-2); border-top: 1px solid var(--line); }
.vh-gv-chon label { flex: 1 1 9rem; min-width: 0; margin: 0; font-size: var(--chu-xs); }
.vh-gv-chon button { flex: none; }

.vh-tom { display: flex; gap: var(--k-2); flex-wrap: wrap; margin-bottom: var(--k-2); }
.vh-chip { font-size: var(--chu-xs); padding: var(--k-1) var(--k-2); border-radius: 999px;
  background: var(--panel-3); }
.vh-chip.canlam { background: var(--warn-nen); color: var(--warn-text); }

/* O nhap ton: hep vua mot so bon chu so, va nhap nhay xanh mot cai khi da ghi
   len Shopee — khong co dau hieu do thi nguoi dung khong biet no da luu chua. */
.vh-ton { width: 4.5rem; text-align: right; padding: var(--k-1) var(--k-1); }
.vh-ton.da-luu { outline: 2px solid var(--ok-text); }
.vh-tk td { vertical-align: middle; }
.vh-nhap { color: var(--ok-text); }
.vh-xuat { color: var(--bad-text); }
.vh-don[data-don-mo] { cursor: pointer; }
.vh-ct { padding-top: var(--k-2); border-top: 1px dashed var(--line); font-size: var(--chu-xs); }
.vh-ct-noi { display: flex; flex-direction: column; gap: var(--k-2); }
.vh-ct-bang td { padding: var(--k-1) var(--k-1); font-size: var(--chu-xs); }
.vh-ct-so { display: flex; justify-content: space-between; gap: var(--k-2);
  flex-wrap: wrap; font-size: var(--chu-xs); }
.vh-ct-goi { font-size: var(--chu-xs); }

/* ── Man kiem Shopee Open API ────────────────────────────────────────────── */
.ka-tom { display: flex; gap: var(--k-2); flex-wrap: wrap; }
.ka-chip { font-size: var(--chu-xs); padding: var(--k-1) var(--k-2); border-radius: 999px;
  background: var(--panel-3); }
.ka-chip.ghi      { background: var(--warn-nen); color: var(--warn-text); }
.ka-chip.dat      { background: var(--ok-nen); color: var(--ok-text); }
.ka-chip.nghiepvu { background: #e5e7eb; color: #374151; }
.ka-chip.hong     { background: var(--bad-nen); color: var(--bad-text); }

.ka-nhom { border: 1px solid var(--line); border-radius: var(--radius-lg); padding: var(--k-2) var(--k-3);
  margin-bottom: var(--k-2); background: var(--panel-2); }
.ka-nhom > summary { cursor: pointer; font-size: var(--chu-sm); padding: 2px 0; }
/*
 * `display: contents` KHONG dung o day: Chrome boc than `<details>` trong
 * `::details-content`, nen mot luoi dat tren chinh `<details>` khong chia cot
 * cho con no. Luoi phai nam tren mot the BEN TRONG.
 */
.ka-luoi { display: flex; flex-wrap: wrap; gap: var(--k-2); margin-top: var(--k-2);
  align-items: flex-start; }
.ka-luoi > .ka-duong { flex: 1 1 20rem; max-width: 28rem; }

.ka-duong { display: flex; flex-direction: column; gap: var(--k-1);
  padding: var(--k-2) var(--k-2); border: 1px solid var(--line); border-radius: var(--radius-md);
  border-left: 3px solid var(--line); background: var(--panel); }
/* Vien trai doc duoc tu xa — trong mot bang 163 dong thi mau la thu duy nhat
   luot mat qua ma van nam duoc tinh hinh. */
.ka-duong.dat      { border-left-color: var(--ok-text); }
.ka-duong.nghiepvu { border-left-color: #9ca3af; }
.ka-duong.hong     { border-left-color: var(--bad-text); }

.ka-dau { display: flex; align-items: center; gap: var(--k-1); flex-wrap: wrap; }
.ka-pt { font-size: var(--chu-xs); font-weight: 700; letter-spacing: .03em;
  padding: 0 var(--k-1); border-radius: var(--radius-sm); }
.ka-pt.get  { background: var(--tin-nen); color: var(--tin-text); }
.ka-pt.post { background: var(--warn-nen); color: var(--warn-text); }
.ka-dd { font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: var(--chu-xs); min-width: 0; overflow: hidden; text-overflow: ellipsis; }
/* Cung ly do voi `.vh-han.qua`: chu trang tren `--bad-text` dat o che do sang
 * nhung o che do toi `--bad-text` la do SANG, chi con 3,41:1. */
.ka-ghi { font-size: var(--chu-xs); font-weight: 700; padding: 0 var(--k-1);
  border-radius: var(--radius-sm); background: var(--bad-nen); color: var(--bad-text); }
.ka-phu { display: flex; gap: var(--k-2); flex-wrap: wrap; font-size: var(--chu-xs); }
.ka-nut { display: flex; gap: var(--k-2); align-items: center; flex-wrap: wrap; }
.ka-kq { font-size: var(--chu-xs); font-weight: 700; }
.ka-kq.dat      { color: var(--ok-text); }
.ka-kq.nghiepvu { color: var(--muted); }
.ka-kq.hong     { color: var(--bad-text); }
.ka-ra { max-height: 16rem; overflow: auto; font-size: var(--chu-xs); margin: 0;
  padding: var(--k-2) var(--k-2); border-radius: var(--radius-sm); background: var(--panel-3);
  white-space: pre-wrap; word-break: break-word; }

/* ── Uy quyen Shopee ─────────────────────────────────────────────────────── */
.uq { margin-bottom: var(--k-4); }
.uq-dau { display: flex; align-items: center; gap: var(--k-2); flex-wrap: wrap; }
.uq-dau :is(h1, h2, h3, h4) { margin: 0; }
/*
 * BA TRANG THAI, BA MAU. "Sap het" phai khac han "con han": mot dong chu xam
 * ghi "con 12 phut" thi khong ai doc, cung dong do mau cam thi co. Day la thu
 * chu shop can thay TRUOC khi token het, khong phai sau.
 */
.uq-tt { font-size: var(--chu-xs); font-weight: 700; padding: var(--k-1) var(--k-2);
  border-radius: 999px; background: var(--panel-3); }
.uq-tt.on   { background: var(--ok-nen); color: var(--ok-text); }
.uq-tt.sap  { background: var(--warn-nen); color: var(--warn-text); }
.uq-tt.het  { background: var(--bad-nen); color: var(--bad-text); }
.uq-tt.chua { background: var(--muted-bg); color: var(--muted-foreground); }

.uq-buoc { margin: var(--k-3) 0 0; padding-left: var(--k-6); display: flex;
  flex-direction: column; gap: var(--k-4); }
.uq-buoc > li { padding-left: var(--k-1); }
.uq-buoc > li > b { font-size: var(--chu-sm); }
.uq-buoc .hint { margin: var(--k-1) 0 6px; }
.uq-buoc .add-row { flex-wrap: wrap; }
.uq-buoc input[type="text"], .uq-buoc input:not([type]) { min-width: 12rem; }
#uq-duong { word-break: break-all; }
/* Han giao — ba muc, va chung phai nhin ra khac nhau TU XA. Mot dong chu xam
   ghi "quá hạn" thi khong ai doc; cung dong do nen do thi co. */
.vh-han { font-size: var(--chu-xs); font-weight: 600; }
.vh-han.gap { color: var(--warn-text); font-weight: 700; }
/*
 * "Qua han" — dung khuon sac thai nhu moi the trang thai khac.
 *
 * Ban cu la chu TRANG tren nen `--bad-text`. O che do sang thi `--bad-text`
 * la do dam nen doc tot; o che do TOI no la do sang (#f0555a), va chu trang
 * tren do chi dat 3,41:1 — duoi chuan AA. Do that tren man Giao van va In phieu.
 *
 * Nen mo + chu dam cung mau thi dat o CA HAI che do, va giong het cach
 * `.vh-tt.*` dang lam — mot khuon cho moi the trang thai.
 */
.vh-han.qua { color: var(--bad-text); background: var(--bad-nen); font-weight: 700;
  padding: 0 var(--k-2); border-radius: var(--radius-sm); align-self: flex-start;
  letter-spacing: .02em; }
/* Anh san pham trong bang ton kho — nho, vuong, khong lam vo hang. */
.vh-sp { display: flex; gap: var(--k-2); align-items: flex-start; }
.vh-sp-anh { width: 44px; height: 44px; flex: none; border-radius: var(--radius-sm);
  object-fit: cover; background: var(--panel-3); }
.vh-pl-anh { width: 22px; height: 22px; border-radius: var(--radius-sm); object-fit: cover;
  vertical-align: -6px; margin-right: var(--k-1); background: var(--panel-3); }
/* Du lieu qua cu — mot dau thoi gian khong phai mot canh bao, TUOI moi la. */
/* #b26a00 do 3,91:1 tren nen trang, duoi chuan AA cho chu 13px. */
.cu-roi { color: var(--warn-text); font-size: var(--chu-sm); }
/* #8a4b00 tren nen toi chi do 2,82:1 — dung token cua chinh he. */
.cu-roi b { color: var(--warn-text); }

/* ══ MAN "DON CO VAN DE" (M10) ═══════════════════════════════════════════════
 *
 * Bon o dem BAM DUOC de loc bang. O dem khong bam duoc thi nguoi dung thay
 * "7 kien dung im" roi phai tu tim 7 don do trong ca bang.
 */
.cvd-dem { display: flex; gap: var(--k-3); flex-wrap: wrap; margin: var(--k-3) 0 var(--k-4); }

.cvd-o {
  display: flex; align-items: baseline; gap: var(--k-2);
  padding: var(--k-2) var(--k-3); border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: var(--panel); cursor: pointer; font: inherit; color: inherit;
}
.cvd-o:hover { border-color: var(--accent); }
/* O dang loc phai nhin ra ngay la DANG LOC — khong thi bam roi khong biet
 * minh dang xem tat ca hay chi mot nhom. */
.cvd-o.dang-loc { border-color: var(--accent); background: var(--panel-2); }
.cvd-o-so { font-size: var(--chu-xl); font-weight: 600; }
/* So 0 thi lam mo di: mot hang bon so deu dam nhu nhau thi khong huong duoc
 * mat vao cho dang co viec. */
.cvd-o-so:not(.co) { color: var(--muted); font-weight: 500; }
.cvd-o-nhan { font-size: var(--chu-sm); color: var(--muted); }

/* Bang va suc khoe nam CANH nhau: de suc khoe duoi bang thi phai cuon qua het
 * don moi thay, ma luc do da quen mat dinh xem gi. */
.cvd-than { display: grid; grid-template-columns: 1fr 300px; gap: var(--k-4); align-items: start; }
@media (max-width: 1100px) { .cvd-than { grid-template-columns: 1fr; } }

.cvd-suckhoe {
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: var(--k-3) var(--k-4); background: var(--panel);
}
.cvd-suckhoe :is(h1, h2, h3, h4) { margin: 0 0 var(--k-3); font-size: var(--chu-base); }
.sk-hang { display: flex; justify-content: space-between; align-items: baseline; }
.sk-hang b { font-size: var(--chu-xl); }
/* Thanh co VACH NGUONG ve san: mot ti le tron khong noi duoc no dang o duoi
 * hay tren muc an toan. */
.sk-thanh {
  position: relative; height: 8px; border-radius: 999px;
  background: var(--panel-3); margin: var(--k-2) 0 6px; overflow: hidden;
}
.sk-thanh i { position: absolute; inset: 0 auto 0 0; background: var(--ok); border-radius: 999px; }
.sk-thanh i.tre { background: var(--bad); }
.sk-thanh u {
  position: absolute; top: 0; bottom: 0; width: 2px;
  background: var(--text); opacity: .55;
}
.sk-phu { font-size: var(--chu-xs); color: var(--muted); }
.sk-canh { margin: 10px 0 0; font-size: var(--chu-sm); }
.sk-nguon { margin: 10px 0 0; font-size: var(--chu-xs); line-height: 1.375; }

/* Cong tac giao dien o chan thanh ben — nho, khong tranh cho voi dieu huong. */
.gd-nut { width: 100%; font-size: var(--chu-xs); padding: var(--k-1) var(--k-2); margin-bottom: var(--k-1); }

/* ══ MAN DON HANG — BANG, theo cau truc ban thiet ke ═════════════════════════
 *
 * Ban cu la luoi the bon cot. Doi chieu hai anh canh nhau moi thay ban thiet ke
 * la mot BANG muoi cot co o chon, thanh loc sau o, thao tac hang loat va phan
 * trang — khong mot thu nao trong so do co o ban the.
 */
.vh-loc {
  display: flex; gap: var(--k-2); flex-wrap: wrap; align-items: center;
  margin: var(--k-3) 0; padding: var(--k-3); border: 1px solid var(--line);
  border-radius: var(--r); background: var(--panel);
}
.vh-loc input[type="search"] { flex: 1 1 260px; min-width: 200px; }
.vh-loc label { display: flex; align-items: center; gap: var(--k-1); font-size: var(--chu-sm); color: var(--muted); }
.vh-loc input[type="date"] { width: auto; }
.vh-loc select { width: auto; }

/* Bang cuon ngang trong khoi rieng: an cot theo be rong man la mat so lieu ma
 * khong bao gi — loi da mac mot lan. */
/*
 * BANG MOI DUNG HET BE NGANG KHUNG.
 *
 * ── DO THAT bang cach chup man, 19/08/2026 ────────────────────────────────
 *
 * `.v-bang` dung chung co `max-width: 88rem` (1408px) va `table-layout: fixed`.
 * Khung noi dung rong 1534px, nen bang dung som va chua mot dai den rong ~140px
 * ben phai — trong khi chinh trong bang thi tieu de cot bi cat cut ("Hãng vận
 * chuyể") va noi dung o bi cat bang ba cham. Nam man cung mac: Don hang, Ton
 * kho, Phieu kho, Giao van, In phieu.
 *
 * Bang moi go ca hai: rong het khung, va de trinh duyet tu chia cot theo noi
 * dung thay vi ep moi cot bang nhau.
 */
.vh-bang-bao { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); }
.vh-bang-bao > .v-bang { max-width: none; min-width: 0; table-layout: auto; }
/*
 * VA HUY MOI RANG BUOC BE RONG THEO CHI SO.
 *
 * `.v-bang th:nth-child(n)` duoc viet cho bang video (bay cot, thu tu co
 * dinh). Cac bang van hanh co bo cot khac han, nen nhung con so do roi vao cot
 * bat ky: o man Nha cung cap, `nth-child(4) { width: 6.5rem }` ep cot DIA CHI
 * con 104px va dia chi vo ba dong, trong khi cot ten thua 430px.
 *
 * Day la lan thu tu cung mot lop loi trong mot ngay: neo theo chi so cot.
 */
.vh-bang-bao > .v-bang th:nth-child(1),
.vh-bang-bao > .v-bang th:nth-child(2),
.vh-bang-bao > .v-bang th:nth-child(3),
.vh-bang-bao > .v-bang th:nth-child(4),
.vh-bang-bao > .v-bang th:nth-child(5),
.vh-bang-bao > .v-bang th:nth-child(6),
.vh-bang-bao > .v-bang th:nth-child(7) { width: auto; }
.vh-bang-bao > .v-bang th.c-chon { width: 36px; }
.vh-bang-don { width: 100%; border-collapse: collapse; }
.vh-bang-don thead th {
  position: sticky; top: 0; z-index: 10;
  background: var(--panel-2); text-align: left; font-size: var(--chu-sm);
  color: var(--muted); font-weight: 600; padding: var(--k-2) var(--k-3); white-space: nowrap;
}
.vh-bang-don tbody tr { border-top: 1px solid var(--line); cursor: pointer; }
.vh-bang-don tbody tr:hover { background: var(--panel-2); }
.vh-bang-don td { padding: var(--k-2) var(--k-3); vertical-align: middle; }
/* Hang cao 44-48px — khong chat 32px, khong phi 64px. */
.vh-bang-don tbody tr { height: 46px; }
.vh-bang-don .c-so { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.vh-bang-don .c-chon { width: 36px; text-align: center; }
.vh-bang-don .c-chon input { width: auto; margin: 0; }
/*
 * CHAT COT PHAI CHIU DUOC NOI DUNG DAI.
 *
 * ── DO THAT 19/08/2026 ─────────────────────────────────────────────────────
 * Cot "Hang trong don" o man Giao van liet ke nhieu mat hang: "Nhiệt kế điện
 * tử đo trán không tiếp xúc ×1, Khăn tắm xô 6 lớp cho bé 100x100cm ×2". Khong
 * chan be rong thi o do keo dai va DE LEN cot ben canh — chu chong chu, doc
 * khong ra chu nao.
 *
 * Cat bang ba cham chu khong xuong dong: mot dong cao gap ba lam ca bang nhay
 * lung tung khi loc.
 */
.vh-bang-don .c-sp {
  max-width: 280px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.vh-bang-don td { overflow: hidden; text-overflow: ellipsis; }
.vh-bang-don td:not(.c-sp):not(.tk-sp) { max-width: 220px; }
.vh-bang-don .sp-ten {
  display: inline-block; max-width: 240px; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; vertical-align: bottom;
}
.vh-bang-don code { font-size: var(--chu-sm); }

.vh-thanh-day {
  display: flex; align-items: center; gap: var(--k-4); flex-wrap: wrap;
  margin-top: var(--k-3); padding: var(--k-2) var(--k-3);
  border: 1px solid var(--line); border-radius: var(--r); background: var(--panel);
}
.vh-chon-het { display: flex; align-items: center; gap: var(--k-2); font-size: var(--chu-sm); }
.vh-chon-het input { width: auto; margin: 0; }
.vh-thanh-nut { display: flex; gap: var(--k-2); flex-wrap: wrap; }
.vh-trang { margin-left: auto; display: flex; align-items: center; gap: var(--k-2); font-size: var(--chu-sm); color: var(--muted); }
/*
 * `.vh-cod` DA CO MOT BAN o tren (ngay duoi `.vh-don-huy`), va ban nay ghi de
 * no bang nen `--bad` + chu trang: 3,5:1 — duoi chuan AA cho chu nho dam.
 *
 * Do that 20/08/2026 tren man Chi tiet don: chip COD hien ra mot vien thuoc do
 * KHONG CO CHU. Thu phai `.ct-tien-hang span` de mau `--muted` len chu trang,
 * nhung ke ca khong co no thi 3,5:1 van la mot chip kho doc.
 *
 * Giu mot ban duy nhat — bang mau huy hieu "can lam" cua DESIGN.md
 * (nen var(--warn-nen), chu var(--warn-text)): COD la mot viec phai lam luc giao, khong phai
 * mot trang thai loi.
 */
.warn-line { color: var(--warn-text); }

/* Tab chon kho — mot kho mot luc, thay cho bang rong san pham × kho. */
.vh-tab { display: flex; gap: var(--k-1); margin: 10px 0; border-bottom: 1px solid var(--line); }
.vh-tab-nut {
  padding: var(--k-2) var(--k-3); border: 0; border-bottom: 2px solid transparent;
  background: none; color: var(--muted); font: inherit; cursor: pointer;
}
.vh-tab-nut:hover { color: var(--text); }
.vh-tab-nut.dang { color: var(--accent-text); border-bottom-color: var(--accent); }
/* O ton doi mau theo muc: het (do) / sap het duoi 5 (vang) / du (thuong). */
.tk-o { display: inline-block; min-width: 34px; padding: 0 var(--k-2); border-radius: var(--radius-md); background: var(--panel-3); }
.tk-o.tk-het { background: var(--bad); color: #fff; }
.tk-o.tk-sap { background: var(--warn); color: #23200a; }
.tk-thao { white-space: nowrap; }
.tk-thao button { font-size: var(--chu-xs); padding: var(--k-1) var(--k-2); }
.tk-o-nhap {
  width: 72px; text-align: right; padding: var(--k-1) var(--k-2); border-radius: var(--radius-md);
  border: 1px solid var(--line); background: var(--panel-3); color: inherit;
  font-variant-numeric: tabular-nums;
}
.tk-o-nhap.tk-het { border-color: var(--bad); }
.tk-o-nhap.tk-sap { border-color: var(--warn); }
/* Anh 36px vuong, bo 6px — du nhan ra mat hang khi luot mat qua bang dai. */
.tk-sp { display: flex; align-items: flex-start; gap: var(--k-2); }
.tk-sp .vh-sp-anh { width: 36px; height: 36px; border-radius: var(--radius-sm); object-fit: cover; flex: 0 0 auto; }
.tk-sp-chu { display: flex; flex-direction: column; gap: 0; min-width: 0; }
.tk-sp .sp-ten { font-weight: 600; }
.tk-sp code { font-size: var(--chu-xs); }
/* Anh phan loai nho hon anh san pham: no la mau/size, khong phai mat hang. */
.tk-pl { display: inline-flex; align-items: center; gap: var(--k-1); font-size: var(--chu-sm); color: var(--muted); }
.tk-pl .vh-pl-anh { width: 24px; height: 24px; border-radius: var(--radius-sm); object-fit: cover; flex: 0 0 auto; }
/* Don Shopee tu choi hoi tham so: van hien, nhung khong chon duoc va noi ro ly do. */
.gv-hong { opacity: .72; }
.gv-hong td { background: color-mix(in srgb, var(--bad) 8%, transparent); }

/* ══ DAI TINH TRANG LIVE — thu dau tien tren man Tinh trang ══════════════════
 *
 * Chu to bang chieu cao ca dai vi day la thu duy nhat chu shop can doc tu xa,
 * khi dang lam viec khac. Mot dong chu co thuong o goc man la thu ho se bo lo —
 * va ngay 19/08 ho da bo lo suot 8 tieng.
 */
.tt-dai { padding: var(--k-5) var(--k-6); border-radius: var(--r); margin-bottom: var(--k-4); border: 1px solid; }
.tt-dai-to { font-size: var(--chu-3xl); font-weight: 700; letter-spacing: -.02em; }
.tt-dai-phu { margin-top: var(--k-1); font-size: var(--chu-base); opacity: .92; }
.tt-dai.tot { background: color-mix(in srgb, var(--ok) 14%, transparent); border-color: var(--ok); }
.tt-dai.tot .tt-dai-to { color: var(--ok-text); }
.tt-dai.chet { background: color-mix(in srgb, var(--bad) 18%, transparent); border-color: var(--bad); }
.tt-dai.chet .tt-dai-to { color: var(--bad-text); }
.tt-dai.nghi { background: var(--panel); border-color: var(--line); }
.tt-dai.nghi .tt-dai-to { color: var(--muted); font-size: var(--chu-2xl); }

/* ══ MAN IN PHIEU (M12) ═════════════════════════════════════════════════════ */
.ip-chon { display: flex; gap: var(--k-3); flex-wrap: wrap; align-items: stretch; margin: var(--k-3) 0; }
.ip-loai {
  flex: 1 1 200px; display: flex; flex-direction: column; gap: 0; text-align: left;
  padding: var(--k-3) var(--k-4); border: 1px solid var(--line); border-radius: var(--r);
  background: var(--panel); color: inherit; font: inherit; cursor: pointer;
}
.ip-loai:hover { border-color: var(--accent); }
.ip-loai.dang { border-color: var(--accent); background: var(--panel-2); }
.ip-loai span { font-size: var(--chu-xs); color: var(--muted); }
.ip-kho { display: flex; align-items: center; gap: var(--k-2); font-size: var(--chu-sm); color: var(--muted); }
.ip-kho select { width: auto; }
/* Ba muc tinh trang phieu — mau noi ro cai nao cam duoc, cai nao chua. */
.ip-tt { font-size: var(--chu-xs); padding: 0 var(--k-2); border-radius: 999px; background: var(--muted-bg); color: var(--muted-foreground); }
.ip-tt.dang { background: color-mix(in srgb, var(--warn) 22%, transparent); color: var(--warn-text); }
.ip-tt.san { background: color-mix(in srgb, var(--ok) 22%, transparent); color: var(--ok-text); }
.ip-tt.hong { background: color-mix(in srgb, var(--bad) 22%, transparent); color: var(--bad-text); }
/* Cot gia von binh quan o the kho — to nen khac de doi mat theo con so nay
 * qua tung dong: no la thu the kho sinh ra de giai thich. */
.tk-gv { background: var(--panel-2); font-weight: 600; }


/*
 * O CHON theo bo mau cua ung dung, khong de mac dinh trinh duyet.
 *
 * O vuong trang mac dinh choi hoan toan tren nen toi — bon subagent doi chieu
 * deu chi ra cung mot cho.
 */
.vh-bang-don input[type="checkbox"],
.vh-thanh-day input[type="checkbox"] {
  appearance: none; width: 16px; height: 16px; border-radius: var(--radius-sm);
  border: 1.5px solid var(--line); background: var(--panel-3);
  cursor: pointer; position: relative; vertical-align: middle;
}
.vh-bang-don input[type="checkbox"]:checked,
.vh-thanh-day input[type="checkbox"]:checked { background: var(--accent); border-color: var(--accent); }
.vh-bang-don input[type="checkbox"]:checked::after,
.vh-thanh-day input[type="checkbox"]:checked::after {
  content: ''; position: absolute; left: var(--k-1); top: 0;
  width: 4px; height: 8px; border: solid #fff; border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* Nut "Mo" trong bang: bang mau cua he chi co cam/do/xam — khong co xanh tim
 * gach chan cua lien ket mac dinh. */
.vh-bang-don a.ghost {
  display: inline-block; padding: var(--k-1) var(--k-2); border: 1px solid var(--line);
  border-radius: var(--radius-md); color: var(--text); text-decoration: none; font-size: var(--chu-sm);
}
.vh-bang-don a.ghost:hover { border-color: var(--accent); color: var(--accent-text); }


/* Ten shop duoi ten phan mem trong thanh ben. */
.rail-shop {
  padding: 0 14px 10px; margin-top: -var(--k-1);
  font-size: var(--chu-xs); color: var(--muted);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.rail-shop:empty { display: none; }


/* Hop tro giup. */
.trogiup { max-width: 34rem; }
.tg-ds { margin: var(--k-3) 0 0; }
.tg-ds dt { font-weight: 600; margin-top: var(--k-3); }
.tg-ds dt:first-child { margin-top: 0; }
.tg-ds dd { margin: var(--k-1) 0 0; color: var(--muted); font-size: var(--chu-sm); line-height: 1.5; }


/* ══ BA SUA CHUNG SAU KHI DOI CHIEU 14 MAN VOI BAN THIET KE ══════════════════
 *
 * Ca ba deu lap o nhieu man, nen sua mot cho thay vi sua tung man.
 */

/*
 * 1. TIEU DE TRANG — tam ban doi chieu deu ghi "tieu de nho gan bang chu
 *    thuong". Dung: `h2 { font-size: var(--chu-base)}` chi to hon chu thuong 0,05rem.
 *    Ban thiet ke cho tieu de trang co lon, dam, dung rieng mot dong.
 */
.toolbar > :is(h1, h2) {
  font-size: var(--chu-2xl); font-weight: 700; letter-spacing: -.015em;
  margin-right: auto;
  /* Khong de "Phiên phát" vo thanh hai dong khi hang nut ben canh dai. */
  white-space: nowrap;
}
/* Nhan nhom nhat ky khong con la ma viet hoa nen bo gian chu va viet hoa ep. */
.nhom { text-transform: none; letter-spacing: 0; }

/*
 * 2. O DEM — ban thiet ke: the lon chia deu het be ngang, NHAN o tren, SO co
 *    rat lon o duoi. Dung: chip nho don ve trai, so va nhan cung mot dong.
 */
/* AUTO-FIT, khong go cung 4 cot: man Doanh thu co 3 o, man Viec hom nay 5-7. */
.cvd-dem { display: grid; grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr)); gap: var(--k-3); }
.cvd-o {
  flex-direction: column; align-items: flex-start; gap: 0;
  padding: var(--k-3) var(--k-4); text-align: left;
}
.cvd-o-nhan { order: 1; font-size: var(--chu-xs); }
.cvd-o-so { order: 2; font-size: var(--chu-3xl); line-height: 1.25; }

/*
 * 3. O TIM — nam man deu bao thieu bieu tuong kinh lup. Ve bang nen SVG nhung
 *    thang trong CSS: khong tai tep tu may chu ngoai (DESIGN.md).
 */
input[type="search"], .o-tim {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round'><circle cx='11' cy='11' r='7'/><path d='m20 20-3.5-3.5'/></svg>");
  background-repeat: no-repeat;
  background-position: 10px center;
  background-size: 15px 15px;
  padding-left: var(--k-8);
}


/* Thong so ky thuat gap lai o man Tinh trang. */
.quyen-ky-thuat > summary { cursor: pointer; font-size: var(--chu-sm); color: var(--muted); margin-top: var(--k-2); }
.quyen-ky-thuat > summary:hover { color: var(--text); }


/* Bang phieu kho: ma phieu mau cam, badge phan mau theo loai va trang thai. */
.pk-ma { color: var(--accent-text); }
.pk-loai-nhap { border-color: #2f5d8a; color: var(--chip-tin); }
.pk-loai-xuat-huy { border-color: #7a3b3b; color: var(--chip-do); }
.pk-loai-hoan-ve { border-color: #6b5a2a; color: var(--chip-vang); }
/* Kiem kê — mau tim, KHAC ba loai kia: no khong phai hang vao hay hang ra, no
 * la mot lan dem lai va chot so. */
.pk-loai-kiem-ke { border-color: #5a4a7a; color: var(--chip-tim); }
.pk-tt::before {
  content: ''; display: inline-block; width: 7px; height: 7px;
  border-radius: 50%; margin-right: var(--k-1); vertical-align: middle;
}
.pk-tt.ok::before { background: var(--ok-text); }
.pk-tt.nhap::before { background: #e0a33a; }


/* Nhan trang thai ton dat duoi con so. */
.tk-nhan { display: block; font-size: var(--chu-xs); margin-top: 0; font-weight: 600; }
.tk-nhan-het { color: var(--bad-text); }
.tk-nhan-sap { color: var(--warn-text); }


/*
 * BANG PHAI NAM TRONG KHUNG NHIN.
 *
 * Do that: bo `table-layout: fixed` xong bang phinh ra 1878px trong khung
 * 1568px — cot Thao tac troi han ra ngoai man. Fixed thi cat chu, auto thi
 * tran. Cach thu ba: auto, nhung cot ten san pham co lai duoc.
 */
.vh-bang-bao > .v-bang { width: 100%; }
.tk-sp { max-width: 30rem; }
.tk-sp .sp-ten { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tk-thao { white-space: nowrap; }


/* ══ THU VIEN VIDEO — luoi the ═══════════════════════════════════════════════
 *
 * Bon the mot hang nhu ban thiet ke. Anh bia giu ti le DOC 9:16 vi video that
 * cua shop la 1080x1920; ban thiet ke ve ti le ngang, cho do khong chep.
 */
#video-grid.vgrid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: var(--k-4); align-items: start; overflow-x: visible;
}
.tv-the {
  border: 1px solid var(--line); border-radius: var(--radius-xl);
  background: var(--panel); overflow: hidden;
  display: flex; flex-direction: column;
}
.tv-the:hover { border-color: var(--accent); }

.tv-bia {
  position: relative; aspect-ratio: 3 / 4;
  background: var(--panel-3) center/cover no-repeat;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.tv-bia .ph { font-size: var(--chu-3xl); opacity: .5; }

/* Thoi luong de len goc duoi-phai anh, nen den de doc tren moi anh bia. */
.tv-dai {
  position: absolute; right: var(--k-1); bottom: var(--k-1);
  background: rgba(0,0,0,.78); color: #fff;
  font-size: var(--chu-xs); padding: 0 var(--k-1); border-radius: var(--radius-sm);
}
.tv-song {
  position: absolute; left: var(--k-1); top: var(--k-1);
  background: var(--accent); color: #fff;
  font-size: var(--chu-xs); font-weight: 600; padding: 0 var(--k-2); border-radius: var(--radius-sm);
}

.tv-than { padding: var(--k-2) var(--k-3) var(--k-3); display: flex; flex-direction: column; gap: var(--k-1); }
.tv-than .nm { font-weight: 600; line-height: 1.375; cursor: pointer; }
.tv-trang { display: flex; gap: var(--k-1); flex-wrap: wrap; }
.tv-phu { display: flex; gap: var(--k-2); flex-wrap: wrap; font-size: var(--chu-xs); }
.tv-logo { font-size: var(--chu-xs); display: flex; align-items: center; gap: var(--k-1); }
.tv-nut { display: flex; gap: var(--k-1); flex-wrap: wrap; margin-top: 0; }


/* ══ MAN "DOANH THU & LAI GOP" ═══════════════════════════════════════════════ */
.dt-moc { display: flex; gap: var(--k-1); }
/* `order: 3` — o dem xep bang `order`, thanh phan nao khong khai thi nhan 0
 * va nhay len dau. Dong phu "tren 2/19 don biet gia von" da len tren ca nhan. */
.dt-phu { font-size: var(--chu-xs); order: 3; }

.dt-than {
  display: grid; grid-template-columns: 2fr 1fr; gap: var(--k-4);
  margin: var(--k-4) 0; align-items: start;
}
@media (max-width: 1000px) { .dt-than { grid-template-columns: 1fr; } }
.dt-bieu-do, .dt-top {
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: var(--k-3) var(--k-4); background: var(--panel);
}
.dt-bieu-do :is(h1, h2, h3, h4), .dt-top :is(h1, h2, h3, h4) { margin: 0 0 var(--k-3); font-size: var(--chu-sm); }

.dt-do-hop { display: flex; gap: var(--k-2); }
.dt-truc {
  display: flex; flex-direction: column; justify-content: space-between;
  font-size: var(--chu-xs); color: var(--muted); height: 150px; text-align: right;
  min-width: 3.5rem;
}
.dt-svg { flex: 1; height: 150px; color: var(--muted); }
.dt-nhan-ngay {
  display: flex; justify-content: space-around; margin-top: var(--k-1);
  padding-left: var(--k-16); font-size: var(--chu-xs); color: var(--muted);
}

.dt-top-dong { display: grid; grid-template-columns: 1fr 3fr auto; gap: var(--k-2); align-items: center; margin-bottom: var(--k-2); }
.dt-top-ten { font-size: var(--chu-xs); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dt-top-thanh { background: var(--panel-3); border-radius: var(--radius-sm); height: 10px; overflow: hidden; }
.dt-top-thanh i { display: block; height: 100%; background: var(--accent); }
.dt-top-so { font-size: var(--chu-xs); font-variant-numeric: tabular-nums; }

.dt-tru { color: var(--bad-text); }
/* #46c17c do 8,38:1 tren nen toi nhung chi 2,29:1 tren nen trang. Token
 * `--ok-text` co ban cho ca hai che do. */
.dt-lai { color: var(--ok-text); font-weight: 600; }
.dt-lo { color: var(--bad-text); font-weight: 600; }
.dt-phien > summary { cursor: pointer; margin: var(--k-4) 0 var(--k-2); font-size: var(--chu-sm); color: var(--muted); }
.dt-phien > summary:hover { color: var(--text); }


/* Chip loc man San pham. */
.sp-chip { display: flex; gap: var(--k-1); flex-wrap: wrap; margin: 10px 0; }


/*
 * BANG SAN PHAM — chi so cot da lech tu khi them cot chon.
 *
 * `.v-bang th:nth-child(2) { width: auto }` von nham vao cot TEN. Them mot cot
 * o chon o dau la cot 2 tro thanh cot ANH: anh duoc phat het cho thua, con cot
 * Ten bi bop con vai ky tu va vo bon dong. Do duoc tren anh chup.
 *
 * Nhac lai chi so la sua cho nay hong cho khac. Neo bang LOP.
 */
#sp-table th.c-chon, #sp-table td.c-chon { width: 36px; text-align: center; }
#sp-table th.c-chon input, #sp-table td.c-chon input { width: auto; margin: 0; }
#sp-table th:nth-child(2) { width: 4rem; }   /* anh */
#sp-table th:nth-child(3) { width: auto; }   /* ten — cot co gian */
#sp-table th:nth-child(4) { width: 10rem; }  /* ma Shopee */
#sp-table th:nth-child(5) { width: 7rem; }
#sp-table th:nth-child(6) { width: 6rem; }
#sp-table th:nth-child(7) { width: 5rem; }
#sp-table th:nth-child(8) { width: 5rem; }
#sp-table th:last-child { width: 9rem; }
#sp-table { max-width: none; }


/* O san pham trong bang don: anh nho canh ten, ten cat bang ba cham. */
.don-sp { display: flex; align-items: center; gap: var(--k-2); min-width: 0; }
.don-sp .vh-sp-anh { flex: none; }
.don-sp .sp-ten { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }


/*
 * TIEU DE TRANG — hai khuon, mot kieu.
 *
 * Nua so man dung `.toolbar > h2`, nua kia dung `.v-dau > h3` (Don co van de,
 * Phieu kho, The kho, Doi chieu ton, Nha cung cap…). Chi nang mot khuon thi
 * mot nua so man van co tieu de nho bang chu thuong — dung cai lech ma bon
 * ban doi chieu bat duoc.
 */
.v-dau > :is(h1, h3),
/*
 * BA KHUON, MOT KIEU.
 *
 * `.toolbar > h2`, `.v-dau > h3` va `.ct-dau > h2` — ba cach dat tieu de trang
 * moc lên qua thoi gian. Nang tung cai mot thi lan nao cung sot mot khuon: man
 * Chi tiet don dung khuon thu ba va da bi sot dung nhu vay, bai kiem
 * "moi man deu co tieu de trang" bat duoc.
 */
.ct-dau > :is(h1, h2) {
  font-size: var(--chu-2xl); font-weight: 700; letter-spacing: -.015em;
  margin: 0 auto 0 0; white-space: nowrap;
}
.v-dau { display: flex; align-items: center; gap: var(--k-2); flex-wrap: wrap; margin-bottom: var(--k-4); }

/*
 * LIEN KET TRONG BANG khong duoc de mau mac dinh cua trinh duyet.
 *
 * Bang mau cua he chi co cam / do / xam. Mot lien ket xanh tim gach chan giua
 * bang la mau duy nhat khong thuoc bang mau nao — bon ban doi chieu deu chi
 * ra. Truoc chi nham `.vh-bang-don`, nhung mot nua so bang dung `.v-bang`
 * tran.
 */
.v-bang a.ghost {
  display: inline-block; padding: var(--k-1) var(--k-2); border: 1px solid var(--line);
  border-radius: var(--radius-md); color: var(--text); text-decoration: none; font-size: var(--chu-sm);
}
.v-bang a.ghost:hover { border-color: var(--accent); color: var(--accent); }


/* ══ MAN "IN PHIEU" — hai cot ═══════════════════════════════════════════════ */
.ip-than { display: grid; grid-template-columns: 1fr 20rem; gap: var(--k-4); align-items: start; }
@media (max-width: 1100px) { .ip-than { grid-template-columns: 1fr; } }

.ip-truoc {
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: var(--k-3); background: var(--panel); position: sticky; top: var(--k-3);
}
.ip-truoc-dau { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: var(--k-2); }

/* To phieu ve nen TRANG that: no la thu se in ra giay. */
.ip-to {
  background: #fff; color: #111; border-radius: var(--radius-sm); padding: var(--k-3);
  font-size: var(--chu-xs); line-height: 1.5;
}
.ip-to-a6 { aspect-ratio: 105 / 148; }
.ip-to-a4 { aspect-ratio: 210 / 297; }
.ip-to { overflow: hidden; }
.ip-vach {
  height: 34px; background: repeating-linear-gradient(90deg, #111 0 2px, #fff 2px 5px);
  color: transparent; border-radius: var(--radius-sm); margin-bottom: var(--k-1);
  font-size: 0; position: relative;
}
.ip-ma { font-family: ui-monospace, monospace; font-weight: 700; margin-bottom: var(--k-2); }
.ip-truong { display: grid; grid-template-columns: auto 1fr; gap: 0 var(--k-2); margin: 0 0 var(--k-2); }
.ip-truong dt { font-weight: 600; }
.ip-truong dd { margin: 0; }
/* To phieu la nen TRANG co dinh (no se in ra giay). #777 do 4,48:1 — thieu
 * 0,02 so voi chuan AA, nen dam them mot bac. */
.ip-truong .muted { color: #6b6b6b; }
.ip-hang { border-top: 1px dashed #bbb; padding-top: var(--k-1); }
.ip-hang-dong { display: flex; justify-content: space-between; gap: var(--k-2); }
.ip-hang-dong span:first-child {
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.ip-hang .muted { color: #6b6b6b; }


/* Bang "Viec can lam truoc" o Bang dieu hanh. */
.dh-viec-hop { margin: var(--k-4) 0; }
.dh-viec-hop > :is(h1, h2, h3, h4) { font-size: var(--chu-base); margin: 0 0 10px; }


/* Ngan chi tiet nha cung cap. */
.ncc-truong { display: grid; grid-template-columns: auto 1fr; gap: var(--k-1) var(--k-3); margin: 10px 0; font-size: var(--chu-sm); }
.ncc-truong dt { color: var(--muted); }
.ncc-truong dd { margin: 0; }
#vh-ncc-ds tr[data-ncc-mo] { cursor: pointer; }


/*
 * BANG TRONG NGAN CHI TIET — ngan rong 20rem, ma `.v-bang` co
 * `min-width: 58rem`. Khong go thi bang tran ra ngoai ngan va ca trang moc
 * mot thanh cuon ngang; do duoc tren anh chup: ngan chi hien duoc cot dau.
 */
.cvd-suckhoe .v-bang { min-width: 0; table-layout: auto; font-size: var(--chu-xs); }
.cvd-suckhoe .v-bang th, .cvd-suckhoe .v-bang td { padding: var(--k-1) var(--k-1); }
.cvd-suckhoe { overflow: hidden; }


/* Dong bao loi kem nut dan toi cho sua. */
.loi-hop {
  display: flex; align-items: center; gap: var(--k-3); flex-wrap: wrap;
  border: 1px solid var(--bad); border-radius: var(--radius-lg);
  padding: var(--k-2) var(--k-3); background: rgba(220,80,80,.07);
}
.loi-hop p { margin: 0; }
.loi-hop a.ghost {
  display: inline-block; padding: var(--k-1) var(--k-3); border: 1px solid var(--line);
  border-radius: var(--radius-md); color: var(--text); text-decoration: none; font-size: var(--chu-sm);
}
.loi-hop a.ghost:hover { border-color: var(--accent); color: var(--accent); }


/*
 * BANG DUNG HET BE NGANG o cac man con lai.
 *
 * `.v-bang { max-width: 88rem }` viet cho bang video hoi con hep. Cac bang
 * nhieu cot (Kich ban video, Cau tra loi, Don co van de) deu dung som va chua
 * mot dai trong ben phai — cung loi da sua cho nhom `.vh-bang-bao`, nhung ba
 * cho nay khong nam trong nhom do.
 */
#kb-list .v-bang,
.v-bang-boc > .v-bang,
.cvd-than .v-bang { max-width: none; }
/* Danh sach cau tra loi soan san la <ul>, khong phai bang — no bi bo hep boi
 * chinh be rong cua `.binhluan`. */
#ctl-list.binhluan { max-width: none; }


/*
 * ══ SUA TUONG PHAN SAU KHI DO BANG CONG THUC WCAG ═══════════════════════════
 *
 * Do tren trinh duyet that, tung phan tu co chu, tren ca 22 man. Bay nhom duoi
 * chuan AA — trong do co ca nut hanh dong chinh va nut Dung phien.
 */

/*
 * `<a class="ghost">` NGOAI BANG van an mau lien ket mac dinh cua trinh duyet
 * (#0000EE) — tren nen toi no do 1,87:1, thap nhat ca app. Quy tac cu chi nham
 * `button.ghost` va `.v-bang a.ghost`, nen mot the `<a class="ghost sm">` dat o
 * cho khac thi lot luoi.
 */
a.ghost, a.primary, a.danger {
  display: inline-block; text-decoration: none;
  padding: var(--k-1) var(--k-3); border-radius: var(--radius-md);
  border: 1px solid var(--line); background: var(--panel-2);
  color: var(--text); font-size: var(--chu-sm); line-height: 1.375;
}
a.ghost:hover { border-color: var(--accent); color: var(--accent); }
a.primary { background: var(--accent); color: var(--on-accent); border-color: transparent; }
a.danger { background: var(--bad-nut); color: var(--on-bad); border-color: transparent; }

/* Nhan "dang chieu" tren anh bia: nen cam nen chu phai la mau chu-tren-cam. */
.tv-song { color: var(--on-accent); }

/*
 * VONG TIEU DIEM — bat buoc de dung duoc ban phim.
 *
 * `:focus-visible` chi hien khi nguoi dung di bang ban phim, nen no khong lam
 * phien nguoi dung chuot. WCAG 2.2 doi vien day >= 2px va tuong phan >= 3:1.
 */
:where(button, a, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}


/*
 * ══ VUNG BAM VA CO CHU — WCAG 2.2 ═══════════════════════════════════════════
 *
 * Do tren trinh duyet that: bay cho co vung bam duoi 24x24 CSS px (chuan AA
 * `web-target-size`), va nhan nho nhat chi 10,2px.
 */

/*
 * O DANH DAU: mac dinh cua trinh duyet la 13x13px. Nang len 16px va cho o
 * chua cao it nhat 24px — dat NGOAI LE KHOANG CACH cua WCAG 2.2 (vung 24x24
 * quanh tam khong cham vao dich khac) thay vi thoi o danh dau to bang ngon tay.
 */
input[type="checkbox"], input[type="radio"] {
  width: 16px; height: 16px; margin: var(--k-1);
}
label.inline, .vh-chon-het, .ip-chon label {
  display: inline-flex; align-items: center; gap: var(--k-2); min-height: 24px;
}
td.c-chon, th.c-chon { min-height: 24px; }

/*
 * `<summary>` la mot dich bam. Cao 21–22px la duoi chuan, va no la thu nguoi
 * dung bam de mo cac khoi gap ("Vi sao, va mat gi", "Thong so ky thuat"…).
 */
summary { min-height: 24px; display: flex; align-items: center; gap: var(--k-1); }

/*
 * NHAN NHO NHAT 10,2px — duoi nguong doc duoc. 11,5px van gon trong bang ma
 * doc duoc o khoang cach ngoi thuong.
 */
.nhom { font-size: var(--chu-xs); }
.dp-chieu-nhan { font-size: var(--chu-xs); }

/* Tieu de nhom thanh ben do 10,24px — nho hon ca nhan trong bang. */
.rail-nhom { font-size: var(--chu-xs); }


/*
 * ══ TON TRONG "GIAM CHUYEN DONG" CUA HE DIEU HANH ═══════════════════════════
 *
 * Skill ui-ux-pro-max xep `reduced-motion` vao nhom CRITICAL. Nguoi bi roi loan
 * tien dinh co the chong mat vi mot hieu ung truot; ho da bao he dieu hanh
 * dieu do roi, phan mem chi can nghe.
 *
 * KHONG tat han: `transition` con 0,01ms de cac bo nghe `transitionend` van no,
 * va trang thai cuoi van dat dung. Tat bang `none` thi mot so ho tro se treo o
 * trang thai giua chung.
 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/*
 * CHIEU CAO DONG cho chu than: 1,45 la duoi khuyen nghi 1,5–1,75. Mot doan
 * giai thich dai — man nao trong app cung co — doc chat hon han o 1,45.
 */
p, .hint, li { line-height: 1.5; }


/*
 * `h1` LA TIEU DE TRANG, va no phai co cung co voi truoc khi doi the.
 *
 * Truoc day moi man dung `<h2>`, nen sau khi dang nhap ca ung dung KHONG CO
 * h1 nao — trinh doc man hinh khong biet trang nay ten gi. Doi the la viec
 * cua ngu nghia; co chu thi giu nguyen bang quy tac o tren.
 */
main h1 { font-size: var(--chu-2xl); margin: 0; }


/*
 * KHOI RONG THI KHONG CHIEM CHO.
 *
 * Man Don co van de chia hai cot; khi khong doc duoc du lieu (vi du ket noi
 * Shopee het han) thi cot phai "Suc khoe shop" van ve ra mot o vien bo tron
 * rong 300px khong co mot chu nao. Do that tren anh chup: mot khung trong
 * canh dong bao loi.
 */
.cvd-suckhoe:empty { display: none; }

/* Cum nut chua dung toi: lam mo va khong bam duoc, thay cho `disabled` — vi
 * day la lien ket chu khong phai nut. */
.mo-di { opacity: .5; pointer-events: none; }

/* Chi bao duong truyen ba muc — thay cho fps/kbps. */
.dt-tot { color: var(--ok-text); font-weight: 600; }
.dt-vua { color: var(--warn-text); font-weight: 600; }
.dt-xau { color: var(--bad-text); font-weight: 600; }

/* ── BIEU MAU TAO PHIEU KHO ─────────────────────────────────────────────────
 *
 * Mot KHOI trong dong chay cua man, khong phai hop thoai noi. Mot to phieu co
 * ba bon dong hang, moi dong hai o so — nhet vao mot hop thoai thi no cao hon
 * khung nhin va nguoi dung mat cho dang doc.
 */
.pk-form {
  margin: var(--k-3) 0 var(--k-4); padding: var(--k-4);
  border: 1px solid var(--accent); border-radius: var(--r);
  background: var(--panel);
}
.pk-dong-tren {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: var(--k-3); margin: var(--k-3) 0;
}
.pk-dong-tren label { display: flex; flex-direction: column; gap: var(--k-1);
  font-size: var(--chu-sm); color: var(--muted); }
.pk-dong-tren input, .pk-dong-tren select { width: 100%; }
.pk-them-hang {
  display: flex; gap: var(--k-2); align-items: flex-end; flex-wrap: wrap;
  margin: var(--k-3) 0; padding: var(--k-3); border: 1px solid var(--line);
  border-radius: var(--r); background: var(--panel-2);
}
.pk-them-hang label { display: flex; flex-direction: column; gap: var(--k-1);
  flex: 1 1 24rem; font-size: var(--chu-sm); color: var(--muted); }
.pk-them-hang select { width: 100%; }
/*
 * O SO TRONG BANG DONG HANG.
 *
 * Rong co dinh 7rem va can PHAI: cot so lieu can thang mot duong doc, va mot o
 * nhap gian het be ngang cot lam bang phinh ra gap doi khi co nhieu dong.
 */
.pk-o {
  width: 7rem; text-align: right; font-variant-numeric: tabular-nums;
  padding: var(--k-1) var(--k-2);
}
/* Dong canh bao gia 0: no doi mot cai nhin, khong phai mot mau trang tri. */
.pk-canh { margin: var(--k-2) 0 0; }

/* ── THE TRANG THAI KET NOI SHOPEE ───────────────────────────────────────────
 *
 * Thu DUY NHAT chu shop can doc o man nay. Phan ky thuat nam trong mot khoi
 * gap lai ben duoi (`.kn-kythuat`).
 */
.kn-the {
  margin: var(--k-3) 0 var(--k-4); padding: var(--k-4) var(--k-5);
  border: 1px solid var(--line); border-radius: var(--r); background: var(--panel);
}
.kn-dau { display: flex; align-items: center; gap: var(--k-3); }
/* Neo theo VAI TRO, khong theo mot the don le: doi cap tieu de la quy tac
 * chet im lang — da mat chin quy tac vi dung loi nay. */
.kn-dau > :is(h1, h2, h3) { margin: 0; }
/* Cham trang thai — mau la mot DAU HIEU THU HAI, chu chinh van la cau tieu de:
 * DESIGN.md cam truyen tin chi bang mau. */
.kn-den {
  width: 12px; height: 12px; border-radius: 999px; flex: 0 0 auto;
  background: var(--muted);
}
.kn-den.on { background: var(--ok); }
.kn-den.sap { background: var(--warn); }
.kn-den.het, .kn-den.chua { background: var(--bad); }
.kn-noi { margin: var(--k-2) 0 0; color: var(--muted); max-width: 62ch; }
.kn-nut { display: flex; gap: var(--k-2); flex-wrap: wrap; margin-top: var(--k-3); }

.kn-kythuat {
  border: 1px solid var(--line); border-radius: var(--r);
  background: var(--panel-2); padding: 0 14px;
}
.kn-kythuat > summary {
  cursor: pointer; padding: var(--k-3) 0; font-weight: 600; color: var(--muted);
  /* Vung bam it nhat 24px chieu cao — WCAG 2.2 muc tieu con tro. */
  min-height: 24px;
}
.kn-kythuat[open] > summary { border-bottom: 1px solid var(--line); margin-bottom: var(--k-3); }
.kn-kythuat > :last-child { margin-bottom: var(--k-3); }

/* Dong hang trong ngan chi tiet phieu: MOT KHOI, khong phai mot hang bang.
 * Ngan rong 300px — bang bon cot o do bam ten mat hang ra moi tu mot dong. */
.pk-dsdong { list-style: none; margin: 0 0 var(--k-3); padding: 0; }
.pk-dsdong li {
  padding: var(--k-2) 0; border-bottom: 1px solid var(--line);
  display: flex; flex-direction: column; gap: var(--k-1);
}
.pk-dsdong li:last-child { border-bottom: 0; }
.pk-dsdong-ten { font-size: var(--chu-sm); }
.pk-dsdong-so { font-size: var(--chu-sm); color: var(--muted); font-variant-numeric: tabular-nums; }

/* ══ M9 · CHI TIET DON HANG — TAM KHOI ══════════════════════════════════════
 *
 * Trang nay DAI (tam khoi), nen thanh dau DINH: cuon xuong khoi thao tac rồi
 * mà không còn thấy mình đang ở đơn nào là một bước lạc mỗi lần.
 */
/*
 * DINH DUOI DAU TRANG, khong dinh o dinh khung nhin.
 *
 * Do that 20/08/2026: cuon xuong 41px thi thanh nay (z-index 20) de len dau
 * trang (z-index 5) va che mat 18px cuoi cua no — tuc che mot phan dai trang
 * thai buoi live, dung cai dai ton tai de chu shop khong bao gio mat dau no.
 *
 * `--dau` la chieu cao dau trang, va no CO HAI GIA TRI: dai live hien thi 3,25rem,
 * khong hien thi khoang 2rem. Quy tac `:root:has(...)` ngay duoi giu hai ben
 * khop nhau — mot con so go cung se dung mot trang thai va sai trang thai kia.
 */
.ct-dau {
  display: flex; align-items: center; gap: var(--k-3); flex-wrap: wrap;
  /*
   * `top` = dung `--dau`, KHONG cong them 1px.
   *
   * Ban cu cong 1px cho duong vien duoi cua dau trang. Nhung `* { box-sizing:
   * border-box }` nen vien nam BEN TRONG chieu cao 56px — mep duoi that su cua
   * dau trang la 56, khong phai 57. Cong them 1px de lai dung mot khe ho 1px,
   * va noi dung chay qua khe do khi cuon: dung cai "vet dut net" ma chu thich
   * cu dinh tranh, chi la o phia nguoc lai.
   * Do lai 20/08/2026: header.getBoundingClientRect().bottom === 56.
   */
  position: sticky; top: var(--dau); z-index: 30;
  padding: var(--k-3) 0; margin-bottom: var(--k-1);
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.ct-nut-dau { display: flex; gap: var(--k-2); }
/* Lien ket dong vai nut cam: giong het `button.primary` de mat khong phan biet. */
.ct-nut-dau a.primary, .ct-nut-dau a.ghost {
  display: inline-flex; align-items: center; text-decoration: none;
  padding: var(--k-2) var(--k-3); border-radius: var(--radius-md); font-size: var(--chu-sm); font-weight: 600;
  border: 1px solid var(--line);
}
.ct-nut-dau a.primary { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.ct-nut-dau a.ghost { background: var(--panel-2); color: var(--text); }

/* Han giao dem nguoc — ba muc, va MAU khong phai dau hieu duy nhat: chu doc
 * thang ra "quá hạn"/"còn", nen mu mau van doc duoc. */
.ct-han { font-size: var(--chu-sm); color: var(--muted); font-variant-numeric: tabular-nums; }
.ct-han.ct-han-gap { color: var(--warn-text); font-weight: 600; }
.ct-han.ct-han-qua { color: var(--bad-text); font-weight: 600; }

/* ② Dai canh bao — chi hien khi khach xin huy hoac tra hang. */
.ct-canhbao {
  display: flex; align-items: baseline; gap: var(--k-3); flex-wrap: wrap;
  padding: var(--k-3) var(--k-4); margin: var(--k-3) 0;
  border: 1px solid var(--bad); border-radius: var(--r);
  background: rgba(220, 80, 80, .07);
}
.ct-canhbao b { color: var(--bad-text); }

/* Hai cot: hang + tien + thao tac ben trai, nguoi nhan + giao van + hanh trinh
 * ben phai. Man hep thi xep doc — KHONG an cot nao. */
.ct-luoi { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: var(--k-4); align-items: start; }
@media (max-width: 1100px) { .ct-luoi { grid-template-columns: minmax(0, 1fr); } }
.ct-cot-trai, .ct-cot-phai { display: flex; flex-direction: column; gap: var(--k-4); min-width: 0; }
.ct-cot-phai :is(h1, h2, h3) { margin: 0 0 10px; font-size: var(--chu-base); }
.ct-cot-trai section :is(h1, h2) { margin: 0 0 var(--k-3); }

/* ③ Hang trong don — MOT KHOI mot dong, khong phai hang bang: ten hang dai va
 * cot hep thi bang bam chu ra tung tu (loi so 5 trong DESIGN.md). */
.ct-hang { list-style: none; margin: 0; padding: 0; }
.ct-hang li {
  display: flex; gap: var(--k-3); align-items: flex-start;
  padding: 10px 0; border-bottom: 1px solid var(--line);
}
.ct-hang li:last-child { border-bottom: 0; }
.ct-hang-anh { width: 48px; height: 48px; border-radius: var(--radius-sm); object-fit: cover; flex: 0 0 auto; }
.ct-hang-ten { display: flex; flex-direction: column; gap: 0; flex: 1 1 auto; min-width: 0; }
.ct-hang-ten b { font-weight: 600; overflow-wrap: anywhere; }
.ct-hang-ten .muted, .ct-hang-ten .ma-nho { font-size: var(--chu-xs); }
.ct-hang-von { font-size: var(--chu-xs); color: var(--muted); font-variant-numeric: tabular-nums; }
.ct-hang-so {
  display: flex; flex-direction: column; align-items: flex-end; gap: 0;
  flex: 0 0 auto; font-variant-numeric: tabular-nums; text-align: right;
}
.ct-hang-so span { font-size: var(--chu-sm); color: var(--muted); }

/* Bang tien — nhan trai, so phai, thang mot duong doc. */
.ct-tien { margin-top: var(--k-3); padding-top: var(--k-3); border-top: 1px solid var(--line); }
.ct-tien-hang {
  display: flex; justify-content: space-between; align-items: baseline; gap: var(--k-4);
  padding: var(--k-1) 0; font-variant-numeric: tabular-nums;
}
/* `> span`, khong phai `span`: chip COD nam trong the `<b>` ben canh con so,
 * va mot bo chon con chau se de mau `--muted` len chinh chip do. */
.ct-tien-hang > span { color: var(--muted); font-size: var(--chu-sm); }
.ct-tien-dam b { font-size: var(--chu-lg); }
/* Nhom khoa gia von — vach ngang va o khoa noi ro day la phan co quyen. */
.ct-khoa { margin-top: var(--k-3); padding-top: var(--k-3); border-top: 1px dashed var(--line); }
.ct-khoa .hint { margin: 6px 0 0; }
.ct-lai b { font-size: var(--chu-base); }

/* ⑦ Bon nhom thao tac — nut vien manh, nhom co tieu de nho. */
.ct-thaotac {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: var(--k-4);
  padding: var(--k-4); border: 1px solid var(--line); border-radius: var(--r); background: var(--panel);
}
.ct-thaotac > div { display: flex; flex-direction: column; align-items: flex-start; gap: var(--k-2); }
.ct-thaotac :is(h2, h3) { margin: 0; font-size: var(--chu-sm); color: var(--muted); text-transform: uppercase;
  letter-spacing: .04em; }
.ct-thaotac a.ghost {
  display: inline-flex; align-items: center; text-decoration: none;
  padding: var(--k-2) var(--k-3); border: 1px solid var(--line); border-radius: var(--radius-md);
  background: var(--panel-2); color: var(--text); font-size: var(--chu-sm);
}

/* ④⑤ Hai dong nhan-gia-tri o cot phai. */
.ct-doi {
  display: flex; justify-content: space-between; align-items: baseline; gap: var(--k-3);
  padding: var(--k-1) 0; border-bottom: 1px solid var(--line); font-size: var(--chu-sm);
}
.ct-doi:last-child { border-bottom: 0; }
.ct-doi span { color: var(--muted); }
.ct-sdt { display: flex; align-items: center; gap: var(--k-2); flex-wrap: wrap; }

/* ⑥ Hanh trinh — dong thoi gian doc, MOI NHAT TREN CUNG, hien san. */
.ct-hanhtrinh { list-style: none; margin: 0; padding: 0 0 0 var(--k-4); position: relative; }
.ct-hanhtrinh::before {
  content: ''; position: absolute; left: var(--k-1); top: var(--k-2); bottom: var(--k-2);
  width: 1px; background: var(--line);
}
.ct-hanhtrinh li { position: relative; padding: 6px 0; display: flex;
  flex-direction: column; gap: 0; }
.ct-hanhtrinh li::before {
  content: ''; position: absolute; left: -var(--k-4); top: var(--k-3);
  width: 9px; height: 9px; border-radius: 999px;
  background: var(--panel-3); border: 1px solid var(--line);
}
.ct-hanhtrinh li.dang::before { background: var(--accent); border-color: var(--accent); }
.ct-ht-chu { font-size: var(--chu-sm); }
.ct-ht-luc { font-size: var(--chu-xs); font-variant-numeric: tabular-nums; }

/* ⑧ Ba phan canh nhau, chay het be ngang. */
.ct-duoi { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: var(--k-5); }
.ct-duoi p { margin: 0; }

/*
 * NUT KHOA TRONG KHOI THAO TAC PHAI MO HON NUT BAM DUOC.
 *
 * Do that 20/08/2026 tren anh chup: nut khoa dung `--panel-3` (sang hon) con
 * nut bam duoc dung `--panel-2` (toi hon), nen ba nut KHONG lam gi lai noi bat
 * hon bon nut lam duoc. Mat di thang vao thu khong bam duoc.
 */
.ct-thaotac button.ghost:disabled {
  background: transparent; border-style: dashed; color: var(--muted);
}
/* Chip COD tren dong "Khach tra" — cach con so ra, khong dinh vao chu so cuoi. */
.ct-tien-dam .vh-cod { margin-left: var(--k-2); vertical-align: 2px; }

/* Hai nut sua lech o man Doi chieu ton — xep ngang, khong xuong dong. */
.dc-nut { display: flex; gap: var(--k-1); flex-wrap: wrap; }

/* O nhap ton toi thieu — hep hon o nhap ton, va khong to mau: no la mot muc
 * chu shop dat, khong phai mot con so co the sai. */
.tk-o-nguong {
  width: 4.5rem; text-align: right; font-variant-numeric: tabular-nums;
  padding: var(--k-1) var(--k-1); font-size: var(--chu-sm);
}

/* Hai o ngay o man Doanh thu — canh bon moc, cung hang. */
.dt-tu { display: flex; align-items: center; gap: var(--k-1); font-size: var(--chu-sm); color: var(--muted); }
.dt-tu input { width: auto; }

/* O nhay trang — canh hai nut ‹ ›, hep vua du bon chu so. */
.vh-nhay { display: inline-flex; align-items: center; gap: var(--k-1); font-size: var(--chu-sm);
  color: var(--muted); margin-left: var(--k-2); }
.vh-nhay input { width: 4rem; text-align: center; padding: var(--k-1) var(--k-1);
  font-variant-numeric: tabular-nums; }

/* Ten mat hang dang xem o man The kho — duoi thanh dau, tren o chon. */
.tk2-ten { margin: 0 0 10px; font-size: var(--chu-base); font-weight: 600; }

/*
 * LIEN KET TRAN TRONG NOI DUNG — phai co mau cua he.
 *
 * ── DO THAT 20/08/2026 bang phep do tuong phan ────────────────────────────
 * `<a href="#/phieu-kho">Tạo phiếu nhập →</a>` trong khoi gia von cua man Chi
 * tiet don ra mau mac dinh cua trinh duyet `rgb(0,0,238)` — xanh tham tren nen
 * toi, do duoc **1,87:1**. No van o do, van bam duoc, chi la khong ai doc noi.
 *
 * `.ghost` va cac lop nut khac da co mau rieng nen khong bi. Cai bi la lien ket
 * viet tay giua mot cau — tuc dung cho de nguoi ta khong nghi toi viec dat mau.
 */
main a:not([class]), .hint a, .kn-noi a {
  color: var(--accent-text); text-underline-offset: 2px;
}
main a:not([class]):hover, .hint a:hover { color: var(--text); }

/* Ba the chon chat luong video — mo ta bang loi, khong con so ky thuat nao. */
.q-muc { display: grid; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: var(--k-2); margin: 10px 0 14px; }
.q-the {
  display: flex; flex-direction: column; align-items: flex-start; gap: var(--k-1);
  padding: var(--k-3) var(--k-3); text-align: left;
  border: 1px solid var(--line); border-radius: var(--r);
  background: var(--panel-2); color: var(--text); cursor: pointer;
}
.q-the b { font-weight: 600; }
.q-the span { font-size: var(--chu-sm); color: var(--muted); }
/* The dang chon: vien cam VA nen cam nhat — mot dau hieu mau don le thi nguoi
 * mu mau khong phan biet duoc cai nao dang bat. */
.q-the.dang { border-color: var(--accent); background: var(--accent-dim); }
.q-the.dang b { color: var(--accent-text); }

/* O chon tren the video — goc trai tren anh bia, NGOAI vung bam "xem thu". */
.tv-the { position: relative; }
.tv-chon {
  position: absolute; top: var(--k-2); left: var(--k-2); z-index: 10;
  /* Vung bam 24x24 CSS px — WCAG 2.2 muc tieu con tro. O danh dau ve ra chi
   * 16px, nen nhan bao quanh no phai bu phan con lai. */
  display: flex; align-items: center; justify-content: center;
  width: 26px; height: 26px; border-radius: var(--radius-sm); margin: 0;
  background: rgba(13, 15, 20, .55); cursor: pointer;
}
.tv-chon input { width: 16px; height: 16px; margin: 0; }
/* Thanh day cua Thu vien video: hai o chon nam giua cac nut, can co cho tho. */
#tv-thanh .vh-thanh-nut { gap: var(--k-2); align-items: center; }
#tv-thanh select { width: auto; min-width: 9rem; }

/* ── SUA GIA TAI CHO O MAN SAN PHAM ─────────────────────────────────────────
 *
 * Con so o trang thai xem la mot NUT, khong phai chu thuong: khong co gi bao
 * bam duoc thi khong ai bam. Vien hien khi re chuot, khong ve san — mot bang
 * hai tram dong ma dong nao cung co vien la mot bang day khung.
 */
.sp-gia-xem {
  background: transparent; border: 1px solid transparent; color: inherit;
  padding: var(--k-1) var(--k-1); border-radius: var(--radius-sm); font: inherit;
  font-variant-numeric: tabular-nums; cursor: pointer;
  /* Vung bam it nhat 24px chieu cao — WCAG 2.2. */
  min-height: 24px;
}
.sp-gia-xem:hover, .sp-gia-xem:focus-visible { border-color: var(--line); background: var(--panel-2); }
.sp-gia-sua { display: inline-flex; align-items: center; gap: var(--k-1); }
.sp-gia-nhap {
  width: 7rem; text-align: right; font-variant-numeric: tabular-nums;
  padding: var(--k-1) var(--k-1); margin: 0;
}

/* ── CHUYEN DA XAY RA (man Tinh trang) ──────────────────────────────────────
 *
 * Moi dong mot cau tieng Viet thuong, moi nhat tren cung. Muc canh bao doi
 * mau CHU (khong doi nen): mot danh sach ba muc nen khac nhau doc nhu ba khoi
 * roi rac, con day la mot dong thoi gian lien mach.
 */
.tt-chuyen-ds { list-style: none; margin: 0; padding: 0; }
.tt-chuyen-dong {
  display: grid; grid-template-columns: 10rem 1fr auto; gap: var(--k-3);
  align-items: baseline; padding: 6px 0; border-bottom: 1px solid var(--line);
  font-size: var(--chu-sm);
}
.tt-chuyen-dong:last-child { border-bottom: 0; }
.tt-chuyen-luc { color: var(--muted); font-variant-numeric: tabular-nums; }
.tt-chuyen-dong.warn .tt-chuyen-chu { color: var(--warn-text); font-weight: 600; }
.tt-chuyen-dong.error .tt-chuyen-chu { color: var(--bad-text); font-weight: 600; }
.tt-chuyen-dong .muted { font-size: var(--chu-sm); }
/* Man hep: bo cot gio ra dong rieng thay vi ep ba cot vao 320px. */
@media (max-width: 700px) {
  .tt-chuyen-dong { grid-template-columns: 1fr; gap: 0; }
}

/* So lan lap trong mot dong da gom — khong to mau, chi dam: no la mot con so
 * bo sung, khong phai mot muc canh bao thu hai. */
.tt-chuyen-lan { font-weight: 600; font-variant-numeric: tabular-nums; }
.tt-chuyen-dong .tt-chuyen-luc { white-space: nowrap; }

/*
 * ══════════════════════════════════════════════════════════════════════════
 * LOP KHOI — PORT NGUYEN VAN TU shadcn/ui v3
 * ══════════════════════════════════════════════════════════════════════════
 *
 * Moi so duoi day doc thang tu `nextjs-version/src/components/ui/*.tsx`.
 * Khong lam tron, khong noi rong. Yeu cau la "giong het" nen cho nao thay
 * chat hon ban cu thi van giu theo template.
 *
 * Lop nay dat CUOI TEP de thang cac quy tac cu o tren ma khong phai di xoa
 * chung — xoa 3.674 dong roi do lai tung man la cach chac chan de lam hong
 * mot cho khong ai thay.
 */

/* ── NUT — button.tsx ───────────────────────────────────────────────────────
 * cva goc: h-9 px-4 py-2 · text-sm font-medium · rounded-md · gap-2
 *          shadow-xs · [&_svg]:size-4 · focus-visible:ring-[3px]
 */
button, .file-btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--k-2);
  height: 36px; padding: 0 var(--k-4);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-family: inherit; font-size: var(--chu-sm); font-weight: 500;
  line-height: var(--dong-sm);
  white-space: nowrap; cursor: pointer;
  background: transparent; color: var(--foreground);
  box-shadow: none;
  transition: background-color .15s, color .15s, box-shadow .15s, border-color .15s;
}
button > svg, .file-btn > svg { width: 16px; height: 16px; flex-shrink: 0; pointer-events: none; }

/* Bo `filter: brightness()` cu — template doi mau nen that, khong lam sang ca
 * khoi. Loc sang lam nhoe ca chu ben trong nut. */
button:hover:not(:disabled), .file-btn:hover { filter: none; }

/* mac dinh (khong lop) = bien the `ghost` */
button:hover:not(:disabled):not(.primary):not(.ghost):not(.danger) {
  background: var(--accent-bg); color: var(--accent-foreground);
}

button.primary, .file-btn {
  background: var(--primary); color: var(--primary-foreground);
  box-shadow: var(--bong-xs);
}
button.primary:hover:not(:disabled), .file-btn:hover {
  background: color-mix(in oklch, var(--primary) 90%, transparent);
}

/* `.ghost` cua app co vien -> ung voi bien the `outline` cua template */
button.ghost {
  background: var(--background); color: var(--foreground);
  border-color: var(--border); box-shadow: var(--bong-xs);
}
button.ghost:hover:not(:disabled) {
  background: var(--accent-bg); color: var(--accent-foreground);
}

button.danger {
  background: var(--destructive); color: #fff; box-shadow: var(--bong-xs);
  border-color: transparent;
}
button.danger:hover:not(:disabled) {
  background: color-mix(in oklch, var(--destructive) 90%, transparent);
}

button.sm  { height: 32px; padding: 0 var(--k-3); gap: var(--k-1); font-size: var(--chu-sm); }
button.big { height: 40px; padding: 0 var(--k-6); font-size: var(--chu-sm); }

button:focus-visible, .file-btn:focus-visible {
  outline: none; border-color: var(--ring);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--ring) 50%, transparent);
}

button:disabled, .file-btn:disabled {
  pointer-events: none; opacity: .5;
  background: var(--secondary); color: var(--muted-foreground);
  border-color: transparent; box-shadow: none; cursor: not-allowed;
}
.file-btn { display: inline-flex; }

/* ── O NHAP — input.tsx ────────────────────────────────────────────────────
 * h-9 px-3 py-1 rounded-md border-input shadow-xs, va:
 * `text-base md:text-sm` — 16px tren dien thoai de iOS KHONG tu phong to trang,
 * 14px tu 768px tro len. Bo mot trong hai la hong mot trong hai loai may.
 */
input, select, textarea {
  display: block; width: 100%; margin-top: var(--k-1);
  min-height: 36px; padding: var(--k-1) var(--k-3);
  background: transparent; color: var(--foreground);
  border: 1px solid var(--input); border-radius: var(--radius-md);
  box-shadow: var(--bong-xs);
  font-family: inherit; font-size: var(--chu-base); line-height: var(--dong-sm);
  transition: color .15s, box-shadow .15s, border-color .15s;
}
@media (min-width: 768px) { input, select, textarea { font-size: var(--chu-sm); } }
textarea { min-height: 60px; padding: var(--k-2) var(--k-3); }
input::placeholder, textarea::placeholder { color: var(--muted-foreground); }
input:hover, select:hover, textarea:hover { border-color: var(--input); }
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--ring);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--ring) 50%, transparent);
}
input[aria-invalid="true"], select[aria-invalid="true"], textarea[aria-invalid="true"] {
  border-color: var(--destructive);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--destructive) 20%, transparent);
}
input:disabled, select:disabled, textarea:disabled {
  pointer-events: none; opacity: .5; cursor: not-allowed;
}

label {
  display: block; margin: 0 0 var(--k-2);
  font-size: var(--chu-sm); line-height: var(--dong-sm); font-weight: 500;
  color: var(--foreground);
}

/* ── THE — card.tsx ────────────────────────────────────────────────────────
 * `flex flex-col gap-6 rounded-xl border py-6 shadow-sm`, cac phan `px-6`.
 */
.card {
  display: flex; flex-direction: column; gap: var(--k-6);
  background: var(--card); color: var(--card-foreground);
  border: 1px solid var(--border); border-radius: var(--radius-xl);
  padding: var(--k-6); box-shadow: var(--bong-sm);
}

/* ── BANG — table.tsx ──────────────────────────────────────────────────────
 * TableHead: `h-10 px-2 text-left align-middle font-medium text-muted-foreground`
 * TableCell: `p-2 align-middle`
 * Ca hai o `text-sm`.
 */
table {
  width: 100%; border-collapse: collapse;
  background: var(--card); color: var(--card-foreground);
  border: 1px solid var(--border); border-radius: var(--radius-xl);
  overflow: hidden; font-size: var(--chu-sm); line-height: var(--dong-sm);
}
th {
  height: 40px; padding: 0 var(--k-2);
  text-align: left; vertical-align: middle;
  font-weight: 500; font-size: var(--chu-sm);
  color: var(--muted-foreground); background: var(--muted-bg);
  border-bottom: 1px solid var(--border);
}
td {
  padding: var(--k-2); vertical-align: middle;
  border-bottom: 1px solid var(--border);
}
tbody tr:last-child td { border-bottom: none; }
tbody tr { transition: background-color .15s; }
tbody tr:hover { background: color-mix(in oklch, var(--muted-bg) 50%, transparent); }
td.right, th.right { text-align: right; font-variant-numeric: tabular-nums; }

/* ── HUY HIEU / CHIP — badge.tsx ───────────────────────────────────────────
 * `px-2 py-0.5 text-xs font-medium rounded-md border gap-1 [&>svg]:size-3`
 * KHONG co chieu cao co dinh — cao tu nhien ~22px.
 */
.chip, .badge, .the-nhan {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--k-1); width: fit-content;
  padding: 2px var(--k-2);
  border: 1px solid transparent; border-radius: var(--radius-md);
  font-size: var(--chu-xs); line-height: var(--dong-xs); font-weight: 500;
  white-space: nowrap; overflow: hidden;
}
.chip > svg, .badge > svg { width: 12px; height: 12px; }
.chip.vien, .badge.vien { border-color: var(--border); color: var(--foreground); background: transparent; }

/* ── TIEU DE — dung thang chu, khong dat co le ────────────────────────────*/
/*
 * DAT LAI CA SAU CAP.
 *
 * Ban cu chi dat `h1, h2, h3 { margin: 0 }`. `h4` giu nguyen le mac dinh cua
 * trinh duyet — `1.33em` = 21,28px, lech luoi 4pt — va no khong nam trong
 * `style.css` nen moi phep quy ve thang deu khong thay. Do that tren man
 * "Cau hinh giao van".
 */
h1, h2, h3, h4, h5, h6 { margin: 0; }
h1 { font-size: var(--chu-2xl); line-height: var(--dong-2xl); font-weight: 700; letter-spacing: -.025em; }
h2 { font-size: var(--chu-lg); line-height: var(--dong-lg); font-weight: 600; }
h3 { font-size: var(--chu-base); line-height: var(--dong-base); font-weight: 600; }
h4 { font-size: var(--chu-sm); line-height: var(--dong-sm); font-weight: 600; }
h5, h6 { font-size: var(--chu-sm); line-height: var(--dong-sm); font-weight: 500; }
.muted { color: var(--muted-foreground); font-size: var(--chu-sm); line-height: var(--dong-sm); }

/* Chu so trong bang va the so lieu phai deu be ngang, khong thi so nhay khi
 * cap nhat theo thoi gian thuc. */
table td, table th, .kpi-o b, .so-lon { font-variant-numeric: tabular-nums; }

/* ── KHUNG NGOAI — theo dung so cua template ───────────────────────────────
 * thanh ben  16rem = 256px   (sidebar.tsx: SIDEBAR_WIDTH = "16rem")
 * dau trang  56px            (layout.tsx: --header-height = spacing*14 = 4*14)
 *
 * Dau trang GIU NGUYEN 56px o moi trang thai. Truoc day no tu co lai con
 * 2.4rem khi khong co phien nao chay — template khong lam vay, va chinh cai
 * co-gian do la nguyen nhan phai vay `.ct-dau` bang `top: calc(var(--dau)+1px)`.
 */
:root, :root:has(#nav-live[hidden]) { --rail: 16rem; --dau: 56px; }

.rail {
  background: var(--sidebar); color: var(--sidebar-foreground);
  border-right: 1px solid var(--sidebar-border);
  padding: var(--k-2);
  gap: var(--k-1);
}

header, header:not(:has(.nav-live:not([hidden]))) {
  height: var(--dau); min-height: var(--dau);
  padding: 0 var(--k-4);
  gap: var(--k-2);
  background: var(--background);
  border-bottom: 1px solid var(--border);
}
@media (min-width: 1024px) { header { padding: 0 var(--k-6); gap: var(--k-2); } }

/* Muc dieu huong — sidebar-menu-button cua template:
 * `h-8 rounded-md px-2 text-sm gap-2`, dang chon thi nen `--sidebar-accent`. */
.rail .tab, .rail .tab-con {
  display: flex; align-items: center; gap: var(--k-2);
  width: 100%; height: 32px; padding: 0 var(--k-2);
  border-radius: var(--radius-md); border: 0;
  background: transparent; color: var(--sidebar-foreground);
  font-size: var(--chu-sm); font-weight: 400; text-align: left;
  justify-content: flex-start;
}
.rail .tab:hover:not(:disabled), .rail .tab-con:hover:not(:disabled) {
  background: var(--sidebar-accent); color: var(--sidebar-accent-foreground);
}
.rail .tab.active, .rail .tab-con.active {
  background: var(--sidebar-accent); color: var(--sidebar-accent-foreground);
  font-weight: 500;
}
.rail .tab > svg { width: 16px; height: 16px; }

/* Nhan nhom — template: `text-xs text-sidebar-foreground/70 px-2 h-8` */
.rail-nhom {
  display: flex; align-items: center; height: 32px; padding: 0 var(--k-2);
  font-size: var(--chu-xs); line-height: var(--dong-xs); font-weight: 500;
  color: color-mix(in oklch, var(--sidebar-foreground) 70%, transparent);
}
.rail-con { padding-left: var(--k-4); display: flex; flex-direction: column; gap: 0; }

/* ── DAU THANH BEN — theo khuon cua template ──────────────────────────────
 * Template: bieu tuong trong o vuong bo goc, roi hai dong chu xep doc
 * ("ShadcnStore" / "Admin Dashboard"). Ben minh la ten phan mem / ten shop.
 */
.brand {
  display: flex; align-items: center; gap: var(--k-2);
  height: 48px; padding: 0 var(--k-2); margin-bottom: var(--k-2);
  font-weight: 400; letter-spacing: normal; color: var(--sidebar-foreground);
}
.brand svg { color: var(--sidebar-foreground); flex: none; }
.brand-chu { display: flex; flex-direction: column; min-width: 0; line-height: 1.25; }
.brand-ten { font-size: var(--chu-sm); font-weight: 600; letter-spacing: -.01em; }
.rail-shop {
  padding: 0; margin: 0;
  font-size: var(--chu-xs); line-height: var(--dong-xs); color: var(--muted-foreground);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.rail-shop:empty { display: none; }

/* ── TRAI DAU TRANG — site-header.tsx ─────────────────────────────────────
 * `SidebarTrigger` (nut vuong 28px) · `Separator` doc cao 16px · o tim
 * `flex-1 max-w-sm` (max-w-sm = 24rem = 384px).
 */
.dau-nut {
  height: 28px; width: 28px; padding: 0; flex: none;
  background: transparent; border-color: transparent; box-shadow: none;
  color: var(--foreground);
}
.dau-nut:hover:not(:disabled) { background: var(--accent-bg); }
.dau-vach { width: 1px; height: 16px; background: var(--border); flex: none; margin: 0 var(--k-1); }

.dau-tim { position: relative; flex: 1 1 auto; max-width: 384px; min-width: 0; }
.dau-tim-kinh {
  position: absolute; left: var(--k-2); top: 50%; transform: translateY(-50%);
  color: var(--muted-foreground); pointer-events: none;
}
.dau-tim input[type="search"] {
  margin: 0; height: 32px; min-height: 32px;
  padding: 0 40px 0 var(--k-8);
  font-size: var(--chu-sm);
  background: var(--background);
}
.dau-tim input[type="search"]::-webkit-search-cancel-button { display: none; }
.dau-phim {
  position: absolute; right: var(--k-2); top: 50%; transform: translateY(-50%);
  pointer-events: none; font-family: inherit;
  font-size: var(--chu-xs); line-height: 1; color: var(--muted-foreground);
  background: var(--muted-bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: var(--k-1) var(--k-1);
}
/* Ket qua tim — khuon popover cua template: nen `--popover`, bo `--radius-md`,
 * bong `--bong-md`, vien 1px. */
.dau-tim-ra {
  position: absolute; z-index: 40; top: calc(100% + 6px); left: 0; right: 0;
  margin: 0; padding: var(--k-1); list-style: none; max-height: 320px; overflow-y: auto;
  background: var(--popover); color: var(--popover-foreground);
  border: 1px solid var(--border); border-radius: var(--radius-md);
  box-shadow: var(--bong-md);
}
.dau-tim-ra li { margin: 0; }
.dau-tim-ra button {
  width: 100%; height: 32px; justify-content: flex-start; gap: var(--k-2);
  padding: 0 var(--k-2); font-weight: 400; border-radius: var(--radius-sm);
}
.dau-tim-ra button:hover, .dau-tim-ra button.chon {
  background: var(--accent-bg); color: var(--accent-foreground);
}
.dau-tim-ra .nhom { color: var(--muted-foreground); font-size: var(--chu-xs); }

/* Thu gon thanh ben — template thu ve 3rem (chi con bieu tuong). */
:root:has(#app.rail-gon) { --rail: 3rem; }
#app.rail-gon .rail { padding: var(--k-2) 6px; overflow: hidden; }
#app.rail-gon .rail .tab span:not(.cham),
#app.rail-gon .rail .tab-con,
#app.rail-gon .rail-nhom,
#app.rail-gon .brand-chu,
#app.rail-gon .rail-chan select,
#app.rail-gon .rail-chan .gd-nut,
#app.rail-gon .rail-ai .muted { display: none; }
#app.rail-gon .rail .tab { justify-content: center; padding: 0; }
#app.rail-gon .brand { justify-content: center; padding: 0; }
@media (max-width: 900px) { :root:has(#app.rail-gon) { --rail: 16rem; } }

/* ── THE SO LIEU — section-cards.tsx ──────────────────────────────────────
 * The: `rounded-xl border py-6 shadow-sm flex flex-col gap-6`, phan trong `px-6`.
 * Dau the la LUOI 2 cot x 2 hang; huy hieu o `col-start-2 row-span-2 self-start
 * justify-self-end` — goc tren phai, ngang hang dong mo ta.
 * Con so: `text-2xl font-semibold tabular-nums`, no len 3xl khi the du rong
 * (`@[250px]/card:text-3xl`) — do la truy van theo KHOI CHUA, khong theo man hinh.
 */
.tiles {
  display: grid; gap: var(--k-4); margin-bottom: var(--k-6);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.tile {
  container-type: inline-size;
  display: flex; flex-direction: column; gap: var(--k-6);
  padding: var(--k-6);
  background: var(--card); color: var(--card-foreground);
  border: 1px solid var(--border); border-radius: var(--radius-xl);
  box-shadow: var(--bong-sm);
}
.tile-dau {
  display: grid; grid-template-rows: auto auto; align-items: start;
  gap: var(--k-1); min-width: 0;
}
.tile-dau:has(.tile-xu) { grid-template-columns: 1fr auto; }
.tile-mota {
  grid-column: 1; font-size: var(--chu-sm); line-height: var(--dong-sm);
  color: var(--muted-foreground);
}
.tile b {
  grid-column: 1; font-size: var(--chu-2xl); line-height: var(--dong-2xl);
  font-weight: 600; letter-spacing: -.01em; font-variant-numeric: tabular-nums;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
@container (min-width: 250px) { .tile b { font-size: var(--chu-3xl); line-height: var(--dong-3xl); } }
.tile-xu { grid-column: 2; grid-row: 1 / span 2; align-self: start; justify-self: end; }
.tile-chan {
  display: flex; flex-direction: column; align-items: flex-start; gap: var(--k-1);
  font-size: var(--chu-sm); line-height: var(--dong-sm);
}
.tile-chinh { font-weight: 500; color: var(--foreground); }
.tile-phu {
  display: block; font-size: var(--chu-sm); line-height: var(--dong-sm);
  color: var(--muted-foreground); opacity: 1;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%;
}
.tile span { font-size: var(--chu-sm); color: var(--muted-foreground); }
button.tile { text-align: left; cursor: pointer; height: auto; align-items: stretch; }
button.tile:hover:not(:disabled) { background: var(--card); }
.tile.live b { color: var(--ok-text); }
.tile.alert b { color: var(--bad-text); }

/* Con so trong the so lieu de MAU CHU THUONG, giong template — no khong to mau
 * theo nghia. Mau chi danh cho hai trang thai that su khac: dang phat, va loi. */
.tile.tien b { color: var(--foreground); }

/* ── KHOI NGUOI DUNG — nav-user.tsx ───────────────────────────────────────
 * Nut: cao 48px, o vuong 32px bo `rounded-lg`, hai dong chu, ba cham `ml-auto`.
 * Trinh don: `min-w-56` (224px), `rounded-lg`, bong `--bong-md`.
 */
.nd-khoi { position: relative; margin-top: auto; padding-top: var(--k-2); }
.nd-nut {
  display: flex; align-items: center; gap: var(--k-2);
  width: 100%; height: 48px; padding: 0 var(--k-2);
  border-radius: var(--radius-md); border: 0;
  background: transparent; color: var(--sidebar-foreground);
  text-align: left; justify-content: flex-start;
}
.nd-nut:hover:not(:disabled), .nd-nut[aria-expanded="true"] {
  background: var(--sidebar-accent); color: var(--sidebar-accent-foreground);
}
.nd-anh {
  display: flex; align-items: center; justify-content: center; flex: none;
  width: 32px; height: 32px; border-radius: var(--radius-lg);
  background: var(--muted-bg); color: var(--muted-foreground);
  font-size: var(--chu-xs); font-weight: 600; letter-spacing: .02em;
}
.nd-chu { display: grid; flex: 1; min-width: 0; text-align: left; line-height: 1.25; }
.nd-ten {
  font-size: var(--chu-sm); font-weight: 500;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.nd-phu {
  font-size: var(--chu-xs); color: var(--muted-foreground);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.nd-ba { margin-left: auto; flex: none; opacity: .7; }
.nd-nut .dot { flex: none; }

.nd-menu {
  position: absolute; z-index: 40; bottom: calc(100% + 6px); left: 0;
  min-width: 224px; width: 100%;
  display: flex; flex-direction: column; gap: 0; padding: var(--k-1);
  background: var(--popover); color: var(--popover-foreground);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--bong-md);
}
.nd-menu button, .nd-menu select {
  width: 100%; height: 32px; margin: 0;
  justify-content: flex-start; text-align: left;
  padding: 0 var(--k-2); border-radius: var(--radius-sm);
  background: transparent; border-color: transparent; box-shadow: none;
  font-size: var(--chu-sm); font-weight: 400; color: var(--popover-foreground);
}
.nd-menu button:hover:not(:disabled) {
  background: var(--accent-bg); color: var(--accent-foreground);
}
.nd-menu select { border: 1px solid var(--border); }
.nd-vach { height: 1px; margin: var(--k-1) 0; background: var(--border); }

/* Thu gon thanh ben: khoi nguoi dung chi con o vuong chu cai. */
#app.rail-gon .nd-chu, #app.rail-gon .nd-ba { display: none; }
#app.rail-gon .nd-nut { justify-content: center; padding: 0; }
#app.rail-gon .nd-menu { left: 0; min-width: 224px; width: 224px; }

/* Luoi the so lieu — section-cards.tsx: `grid gap-4 sm:grid-cols-2 xl:grid-cols-4`.
 * Cot CO DINH theo diem ngat, khong phai `auto-fit`: voi 5 the thi auto-fit de
 * cai thu 5 co lai bang be rong toi thieu, trong nhu mot the bi bo quen. */
.tiles { grid-template-columns: 1fr; }
@media (min-width: 640px)  { .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1280px) { .tiles { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

/* ── DAU TRANG LUC DANG PHAT: DAI TRANG THAI THANG, O TIM NHUONG ───────────
 *
 * ── DO THAT 20/08/2026, bang cach dung dai trang thai len roi chup ─────────
 * Moi anh chup truoc do deu o trang thai KHONG co phien nao chay, nen ca dai
 * 56px chi co nut thu gon + o tim + nut "Gon" — rong thenh thang.
 *
 * Bat dai trang thai len thi vo: o tim (`flex: 1 1 auto`, toi 384px) an het
 * cho, ten phien bi CAT CUT ngay chu dau ("_ive AI") chu khong kip hien dau ba
 * cham. Va `header.scrollWidth === clientWidth` nen phep do tran khong bat duoc
 * — no khong tran, no bi nen.
 *
 * Luat: dang phat thi dai trang thai thang. Tim mot man hinh la viec cho luc
 * ranh; biet buoi live dang the nao la viec cho luc gap.
 */
header:has(#nav-live:not([hidden])) .dau-tim { flex: 0 1 240px; max-width: 240px; }
@media (max-width: 1240px) {
  header:has(#nav-live:not([hidden])) .dau-tim { display: none; }
}
/* Cho dai co lai duoc, va cat ten bang dau ba cham chu khong cat cut. */
.nav-live { min-width: 0; flex: 0 1 auto; flex-wrap: nowrap; }
.nav-live .nl-ten { min-width: 4rem; flex: 0 1 auto; }

/* ── NUT TU CAT CHU BANG BA CHAM PHAI LA KHOI, KHONG PHAI FLEX CANH GIUA ───
 *
 * ── DO THAT 20/08/2026 ────────────────────────────────────────────────────
 * Lop nut moi (theo `button.tsx`) dat `display: inline-flex; justify-content:
 * center`. Voi nut TU cat chu cua no bang `text-overflow: ellipsis`, hai thu
 * do triet tieu nhau: hop flex canh giua phan chu tran nen no bi xen CA HAI
 * DAU, va dau ba cham khong bao gio hien.
 *
 * Thay bang: ten phien "Live AI — Do so sinh chinh hang" hien thanh
 * "_ive AI — Do so sinh chinh han_" — mat chu dau, va khong co dau hieu nao
 * cho biet chu da bi cat.
 *
 * `display: block` tra `text-overflow` ve dung viec cua no.
 */
.nav-live .nl-ten {
  display: block; text-align: left; justify-content: flex-start;
  height: auto; padding: 2px var(--k-1); border-radius: var(--radius-sm);
}
.dp-kiem a, .dp-kiem button { justify-content: center; }
.nn-ten { text-align: left; }

/* ── LUOI BANG DIEU HANH: SAU COT, KHONG PHAI BON ─────────────────────────
 *
 * Man nay co hai o khan (`.tile.lon`, chiem doi) va ba o thuong. Tren luoi
 * BON cot thi: hang mot = 2 o khan (4 cot, vua khit), hang hai = 3 o thuong
 * (3 cot) + MOT O TRONG. Hang duoi trong nhu con thieu mot the.
 *
 * Luoi SAU cot chia het ca hai: o khan chiem 3, o thuong chiem 2 —
 * hang mot 3+3, hang hai 2+2+2. Khong con o trong nao.
 *
 * Chi ap cho luoi CO o khan; cac man khac van bon cot nhu template.
 */
@media (min-width: 1280px) {
  .tiles:has(.tile.lon) { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .tiles:has(.tile.lon) > .tile { grid-column: span 2; }
  /* Phai neo CUNG do sau bo chon voi dong tren, khong thi `.tiles .tile.lon`
   * (ba lop) thua `.tiles:has(.tile.lon) > .tile` (bon lop) va ca nam o ra
   * bang nhau — dung loi vua mac. */
  .tiles:has(.tile.lon) > .tile.lon { grid-column: span 3; }
}
@media (min-width: 640px) and (max-width: 1279px) {
  .tiles:has(.tile.lon) { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tiles .tile.lon { grid-column: span 2; }
}
@media (max-width: 639px) {
  .tiles .tile.lon { grid-column: span 1; }
}

/* ── MUC DIEU HUONG: BO GACH DOC BEN TRAI ─────────────────────────────────
 * Template danh dau muc dang chon bang NEN (`bg-sidebar-accent`) + chu dam
 * hon, khong co vach doc nao. Ban cu ve `inset 2px 0 0 var(--accent)` — hoi
 * cam thi vach do la mau thuong hieu, doi sang bang mau trung tinh thi no
 * thanh mot vet den vo nghia.
 */
.rail .tab, .rail .tab.active, .rail .tab-con, .rail .tab-con.active { box-shadow: none; }

/* ── THANH TAB — tabs.tsx ─────────────────────────────────────────────────
 * Template la NUT GAT (segmented control), khong phai hang chu gach chan:
 *   TabsList    `bg-muted h-9 rounded-lg p-[3px] inline-flex w-fit`
 *   TabsTrigger `rounded-md px-2 py-1 text-sm`, dang chon thi
 *               `bg-background shadow-sm` — noi len tren nen mo.
 */
.vh-tab, .v-tab, .bh-tab {
  display: inline-flex; align-items: center; justify-content: center;
  width: fit-content; max-width: 100%; flex-wrap: wrap;
  height: auto; min-height: 36px; padding: 2px; gap: 0;
  margin: 0 0 var(--k-4);
  background: var(--muted-bg); color: var(--muted-foreground);
  border: 0; border-radius: var(--radius-lg);
}
.vh-tab-nut, .v-tab-nut, .bh-tab-nut {
  height: 30px; padding: 0 var(--k-2); border: 0; border-radius: var(--radius-md);
  background: transparent; color: var(--muted-foreground);
  font-size: var(--chu-sm); font-weight: 500; box-shadow: none;
}
.vh-tab-nut:hover:not(:disabled), .v-tab-nut:hover:not(:disabled) {
  background: transparent; color: var(--foreground);
}
.vh-tab-nut.dang, .v-tab-nut.dang, .bh-tab-nut.dang {
  background: var(--background); color: var(--foreground);
  box-shadow: var(--bong-sm); border-bottom-color: transparent;
}

/* O tim o dau trang: dem phai chua chu "⌘K", dem trai chua kinh lup.
 * Hai so nay phai nam tren luoi — 48 va 32, khong phai 44 va 32. */
.dau-tim input[type="search"] { padding: 0 var(--k-12) 0 var(--k-8); }
.dau-tim-kinh { left: var(--k-3); }
.dau-phim { right: var(--k-2); }

/* ── O DANH DAU — checkbox.tsx ────────────────────────────────────────────
 * `size-4 shrink-0 rounded-[4px] border border-input shadow-xs`,
 * da chon thi `bg-primary border-primary text-primary-foreground`.
 * Ban cu de nguyen o mac dinh cua trinh duyet: 13px, mau he dieu hanh, va
 * khong doi theo bang mau nao ca.
 */
input[type="checkbox"], input[type="radio"] {
  appearance: none; -webkit-appearance: none;
  display: inline-grid; place-content: center;
  width: 16px; height: 16px; flex: none;
  /* CHAN CA HAI CHIEU. Trong o bang co `display:flex` thi `width` van bi
   * co lai — do duoc 12x16 o cot chon cua bang Ton kho. */
  min-width: 16px; max-width: 16px; min-height: 16px; max-height: 16px;
  margin: 0 var(--k-1) 0 0; padding: 0;
  background: var(--background); border: 1px solid var(--input);
  border-radius: 4px; box-shadow: var(--bong-xs); cursor: pointer;
  transition: background-color .15s, border-color .15s, box-shadow .15s;
}
input[type="radio"] { border-radius: 999px; }
input[type="checkbox"]::before {
  content: ''; width: 10px; height: 10px; transform: scale(0);
  transition: transform .12s ease-out;
  background: var(--primary-foreground);
  clip-path: polygon(14% 44%, 0 65%, 43% 100%, 100% 16%, 82% 0, 40% 65%);
}
input[type="radio"]::before {
  content: ''; width: 8px; height: 8px; border-radius: 999px; transform: scale(0);
  transition: transform .12s ease-out; background: var(--primary-foreground);
}
input[type="checkbox"]:checked, input[type="radio"]:checked {
  background: var(--primary); border-color: var(--primary);
}
input[type="checkbox"]:checked::before, input[type="radio"]:checked::before { transform: scale(1); }
input[type="checkbox"]:focus-visible, input[type="radio"]:focus-visible {
  outline: none; border-color: var(--ring);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--ring) 50%, transparent);
}
input[type="checkbox"]:disabled, input[type="radio"]:disabled {
  opacity: .5; cursor: not-allowed;
}
/* Nhan di kem o danh dau nam CUNG HANG, khong xuong dong — va ca cum la mot
 * vung bam rong hon 24px, dat muc san WCAG 2.2 du o vuong chi 16px. */
label:has(> input[type="checkbox"]), label:has(> input[type="radio"]) {
  display: flex; align-items: center; gap: var(--k-2);
  min-height: 24px; margin: 0; cursor: pointer;
  font-size: var(--chu-sm); font-weight: 400; color: var(--foreground);
}

/* ── O CHON — select.tsx: `h-9 px-3 py-2 rounded-md border-input shadow-xs` */
select {
  height: 36px; padding: 0 var(--k-3);
  background: var(--background); border: 1px solid var(--input);
  border-radius: var(--radius-md); box-shadow: var(--bong-xs);
  cursor: pointer;
}

/* ── VONG LAY NET PHAI THANG MOI QUY TAC KHAC ─────────────────────────────
 *
 * ── DO THAT 20/08/2026, bang cach bam Tab qua 129 phan tu ────────────────
 * 25 cho khong co dau hieu lay net nao. Ca 25 deu do CHINH TOI gay ra o phien
 * nay: hai quy tac `box-shadow: none` — mot de bo gach doc ben trai muc dieu
 * huong, mot de dung thanh tab — cung dat `box-shadow`, va do chinh la thu
 * `button:focus-visible` dung de ve vong.
 *
 * `.rail .tab` (hai lop) thang `button:focus-visible` (mot lop + mot lop gia),
 * nen vong bien mat lang le. Nhin bang mat khong thay: chi khi bam Tab moi lo.
 *
 * Quy tac nay dat CUOI CUNG va neo du sau de khong con cai gi thang no nua.
 * Xoa no di la nguoi dung ban phim mat dau vet — WCAG 2.4.7.
 */
#app :is(button, [role="button"], a, input, select, textarea):focus-visible,
.rail .tab:focus-visible, .rail .tab-con:focus-visible,
.vh-tab-nut:focus-visible, .v-tab-nut:focus-visible, .bh-tab-nut:focus-visible,
.nd-nut:focus-visible, .dau-nut:focus-visible, button.tile:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--background), 0 0 0 4px var(--ring);
  border-color: var(--ring);
  /* Vien trong mau nen tach vong ra khoi chinh phan tu, nen vong van thay ro
   * ca khi phan tu nam sat mot khoi cung mau. */
}
/* O danh dau va nut chon giu vong mong hon — chung nho, vong day se nuot ca o. */
#app :is(input[type="checkbox"], input[type="radio"]):focus-visible {
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--ring) 50%, transparent);
}

/* ── HOP THOAI — dialog.tsx ───────────────────────────────────────────────
 * `max-w-lg` (512px) · `rounded-lg` (10px) · `p-6` (24px) · `gap-4` (16px)
 * · `shadow-lg` · lop mo phia sau `bg-black/50`.
 *
 * Ban cu: khong bong (nen no chim vao trang o che do toi), rong 544/480px,
 * lop mo 35% — ba con so deu la go tay chu khong lay tu template.
 */
dialog.hoi, dialog.trogiup {
  max-width: 512px; width: calc(100% - var(--k-8));
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--popover); color: var(--popover-foreground);
  box-shadow: var(--bong-lg);
  /* Dem dat tren CHINH hop thoai, khong tren con.
   * Ban truoc dat tren `> div` va no trung vao hang nut (`.hoi-nut`), nen hang
   * nut co dem con noi dung thi sat mep. Cau truc hai hop thoai khac nhau —
   * mot cai boc trong `form`, mot cai la h3 + dl + div — nen chi co dat tren
   * chinh no moi phu duoc ca hai. */
  padding: var(--k-6);
  gap: var(--k-4);
}
/*
 * `display` CHI DAT KHI DANG MO.
 *
 * ── DO THAT 21/08/2026 ────────────────────────────────────────────────────
 * Trinh duyet an hop thoai dong bang luat rieng cua no:
 *
 *     dialog:not([open]) { display: none }
 *
 * Do la luat cua UA, nen BAT KY luat `display` nao cua minh cung de bep no.
 * Khoi tren dat `display: grid` khong dieu kien -> ca hai hop thoai HIEN
 * THUONG TRUC giua trang du chua ai mo. Do duoc tren may that: `#trogiup-box`
 * 512x535 va `#hoi-box` 512x170, ca hai `open=false`, nam chen ngang o y=1045.
 *
 * Chu shop ta dung mot chu: "lech va kho chiu". Va cai bay o day la no trong
 * giong mot hop thoai thua can XOA DI — trong khi `#hoi-box` la hop hoi dung
 * chung cua ca ung dung (doi ten, nhap so); xoa no la mat kha nang hoi.
 *
 * Nen: giu nguyen hinh thuc, chi dua `display` vao trong `[open]`. `gap` de lai
 * o tren cung duoc — no vo hai khi chua co `display: grid`.
 */
dialog.hoi[open], dialog.trogiup[open] { display: grid; }
dialog.hoi::backdrop, dialog.trogiup::backdrop { background: rgb(0 0 0 / 50%); }
.hoi form { display: grid; gap: var(--k-4); padding: 0; }
.hoi :is(h1, h2, h3, h4), .trogiup :is(h1, h2, h3, h4) {
  margin: 0; font-size: var(--chu-lg); line-height: var(--dong-lg); font-weight: 600;
}
.hoi .hoi-nut { display: flex; gap: var(--k-2); justify-content: flex-end; margin-top: 0; }

/* ══════════════════════════════════════════════════════════════════════════
 * MAN HEP: THANH BEN THANH NGAN KEO TRUOT, KHONG PHAI HANG NGANG
 * ══════════════════════════════════════════════════════════════════════════
 *
 * ── DO THAT 20/08/2026, o be ngang cua so 900px ──────────────────────────
 * Ban cu bat `.rail` thanh `flex-direction: row` khi man hep. Voi 10 muc
 * chinh + 14 muc con thi hang do khong the la mot hang: no gap thanh mot
 * khoi cao 864px de len het noi dung, va ten phan mem troi ra giua khoi.
 *
 * Template lam khac: man hep thi thanh ben la mot NGAN KEO truot tu trai,
 * rong `18rem` (SIDEBAR_WIDTH_MOBILE trong `sidebar.tsx`), co lop mo phia
 * sau. Nut thu gon o dau trang mo/dong no.
 */
@media (max-width: 900px) {
  /*
   * MOT NGUON DUY NHAT CHO DIEM NGAT.
   *
   * JS cung can biet "dang o man hep" (nut thu gon lam hai viec khac nhau).
   * Neu JS tu viet lai `matchMedia('(max-width: 900px)')` thi con so 900 nam o
   * hai cho, va hai cho se lech nhau dung vao ngay ai do doi mot ben.
   * Nay CSS dat co, JS doc co. Doi diem ngat o day la ca hai doi theo.
   */
  :root { --man-hep: 1; }

  #app { grid-template-columns: minmax(0, 1fr); }

  .rail {
    position: fixed; inset: 0 auto 0 0; z-index: 50;
    width: 18rem; max-width: 85vw; height: 100dvh;
    flex-direction: column; flex-wrap: nowrap; align-items: stretch;
    border-right: 1px solid var(--sidebar-border); border-bottom: 0;
    box-shadow: var(--bong-lg);
    transform: translateX(-100%);
    transition: transform .2s ease-out;
    overflow-y: auto;
  }
  #app.rail-mo .rail { transform: translateX(0); }

  /* Lop mo — cung do dam voi lop sau hop thoai cua template (`bg-black/50`). */
  #app.rail-mo::before {
    content: ''; position: fixed; inset: 0; z-index: 40;
    background: rgb(0 0 0 / 50%);
  }

  /* Man hep thi giu nguyen dang doc — khong ep thanh hang ngang nua. */
  .rail .brand { padding: 0 var(--k-2); }
  .rail nav { flex-direction: column; flex-wrap: nowrap; }
  .rail-nhom { display: flex; }
  .rail-con { flex-direction: column; flex-wrap: nowrap; padding-left: var(--k-4); }
  .tab-con { width: 100%; }
  .rail-chan { margin-top: auto; }

  /* Thu gon o man hep khong con nghia — nut do chuyen sang mo/dong ngan keo. */
  :root:has(#app.rail-gon) { --rail: 0; }
  /* `revert` tra ve gia tri MAC DINH CUA THE (`inline` cho span), khong phai
   * gia tri minh da dat o quy tac khac. `.brand-chu` la `flex column`, revert
   * lam no thanh `inline` va hai dong ten dinh vao nhau mot hang.
   * Nen phai ghi lai dung gia tri, khong dung `revert`. */
  #app.rail-gon .rail .tab span:not(.cham) { display: inline; }
  #app.rail-gon .rail .tab-con { display: flex; }
  #app.rail-gon .rail-nhom { display: flex; }
  #app.rail-gon .brand-chu { display: flex; }
  #app.rail-gon .nd-chu { display: grid; }
  #app.rail-gon .rail .tab, #app.rail-gon .brand, #app.rail-gon .nd-nut {
    justify-content: flex-start; padding: 0 var(--k-2);
  }
}

/* ── HAI LOP THAY CHO KIEU NOI TUYEN ──────────────────────────────────────
 * `index.html` co bon cho go thang `style="margin-bottom:.7rem"` — .7rem la
 * 11,2px, lech luoi. Kieu noi tuyen la duong vong qua he thiet ke theo dinh
 * nghia: no khong nam trong `style.css` nen moi phep quy va moi bai chan deu
 * khong thay no. Do la ly do hai lop nay ton tai.
 */
.rong-duoi { margin-bottom: var(--k-3); }
.rong-doc  { margin: var(--k-2) 0; }

/* ── HUY HIEU TRUNG TINH: NEN `--muted-bg`, KHONG PHAI `--panel-3` ────────
 * `--panel-3` la `oklch(.94 0 0)` — bi danh cu cua minh, dam hon nen
 * `secondary` cua template (`oklch(.97 0 0)`). Tren nen dam hon do, chu mo
 * chi con 4,34:1 — duoi chuan. Doi ve dung token template thi vua khop vua
 * dat 4,75:1.
 */
.badge, .ip-tt { background: var(--muted-bg); color: var(--muted-foreground); }

/* ══════════════════════════════════════════════════════════════════════════
 * BANG DIEU HANH: NAM O, MOT HANG
 * ══════════════════════════════════════════════════════════════════════════
 *
 * ── DO THAT 21/08/2026 ──────────────────────────────────────────────────
 * Chu shop: *"5 card to tổ bố ra chả có thông tin gì, cho 5 card bé lại thành
 * 1 hàng đi để 2 hàng làm cái gì?"*
 *
 * `.tiles` dung `auto-fit, minmax(170px, 1fr)`, VA hai trong nam the mang lop
 * `.lon` (`grid-column: span 2`). Nam the do an bay o luoi, nen o do rong pho
 * thong chung tran xuong hang thu hai — mot hang bon o va mot hang ba o le.
 *
 * O day chot dung nam cot bang nhau va HUY phan `span 2`. Con so van doc duoc
 * vi cai lam no de doc la co chu, khong phai be ngang cua the.
 */
#dh-tomtat { grid-template-columns: repeat(5, minmax(0, 1fr)); }
#dh-tomtat .tile.lon { grid-column: auto; }
#dh-tomtat .tile { padding: var(--k-2) var(--k-3); }
#dh-tomtat .tile b,
#dh-tomtat .tile.lon b { font-size: var(--chu-xl); line-height: 1.2; }

/* Man hep thi nam cot canh nhau la khong doc duoc nua — xuong ba roi hai. */
@media (max-width: 1100px) { #dh-tomtat { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 720px)  { #dh-tomtat { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* Nut "Danh dau da doc" trong o Su co nang: nho, khong tranh cho voi con so. */
.tt-o button.nho { margin-top: var(--k-2); padding: var(--k-1) var(--k-2);
  font-size: var(--chu-xs); line-height: 1.2; }
