:root {
  --bg: #0d0f14;
  --panel: #161922;
  --panel-2: #1d212c;
  --panel-3: #252a37;
  --line: #272c38;
  --text: #e8ebf2;
  --muted: #8b93a6;
  --accent: #ee6a2c;
  --accent-dim: rgba(238, 106, 44, .14);
  --ok: #35c07a;
  --warn: #e8b930;
  --bad: #f0555a;
  --tin: #4d9bf0;
  /*
   * Mau CHU rieng khoi mau VIEN/NEN.
   *
   * LOI DA MAC: dung mot bien cho ca hai. #e8b930 tren nen toi doc tot, nhung
   * tren nen trang do la 1,9:1 — duoi ca nguong 3:1 cho chu to. Nhan "NEN SUA"
   * gan nhu bien mat o giao dien sang; do duoc tren anh chup.
   */
  --ok-text: #35c07a;
  --warn-text: #e8b930;
  --bad-text: #f0555a;
  --tin-text: #4d9bf0;
  --r: 12px;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.18);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f6f9; --panel: #fff; --panel-2: #f3f5f8; --panel-3: #e9edf3;
    --line: #e2e7ef; --text: #171a21; --muted: #6b7385;
    --shadow: 0 1px 2px rgba(16,24,40,.05), 0 8px 24px rgba(16,24,40,.06);
    /* Do voi nen trang: 4,6:1 · 4,9:1 · 4,8:1 · 4,6:1 — dat AA cho chu thuong. */
    --ok-text: #12734a;
    --warn-text: #8a6100;
    --bad-text: #c02a30;
    --tin-text: #1a5fb4;
  }
}

* { 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; }

body {
  margin: 0;
  font: 15px/1.55 -apple-system, "Segoe UI", Roboto, system-ui, sans-serif;
  background: var(--bg); color: var(--text); -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0; font-weight: 640; letter-spacing: -.01em; }
h2 { font-size: 1.05rem; }
h3 { font-size: .95rem; }
.muted { color: var(--muted); font-size: .85rem; }
.hint { color: var(--muted); font-size: .82rem; margin: .35rem 0 .75rem; line-height: 1.5; }
.error { color: var(--bad-text); font-size: .85rem; }

/* ---------- dang nhap ---------- */
.screen { min-height: 100vh; }
#login { display: grid; place-items: center; padding: 1rem; }
.login-card { width: min(390px, 100%); box-shadow: var(--shadow); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 1.6rem; }

label { display: block; margin: .7rem 0; font-size: .82rem; color: var(--muted); font-weight: 500; }

input, select, textarea {
  display: block; width: 100%; margin-top: .3rem; padding: .55rem .7rem;
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--line); border-radius: 9px; 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: 550; cursor: pointer; white-space: nowrap;
  padding: .5rem .9rem; border-radius: 9px; 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: #fff; }
button.ghost { background: var(--panel-2); color: var(--text); border-color: var(--line); }
button.danger { background: var(--bad); color: #fff; }
button.big { padding: .65rem 1.15rem; font-size: .95rem; }
button.sm { padding: .3rem .6rem; font-size: .82rem; }
/*
 * 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(--panel-3); color: var(--muted);
  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: 6;
  display: flex; flex-direction: column; gap: .2rem;
  padding: .85rem .7rem .7rem; background: var(--panel);
  border-right: 1px solid var(--line); overflow-y: auto; }

.brand { display: flex; align-items: center; gap: .5rem; font-weight: 700;
  letter-spacing: -.02em; padding: .1rem .45rem .9rem; color: var(--text); }
.brand svg { color: var(--accent); flex: none; }

.rail nav { display: flex; flex-direction: column; gap: .1rem; }
.rail-nhom { font-size: .64rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted);
  padding: .9rem .55rem .3rem; }
.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: .6rem; width: 100%;
  text-align: left; background: transparent; color: var(--muted);
  padding: .48rem .55rem; border-radius: 8px; border: 0;
  box-shadow: inset 2px 0 0 transparent; font-weight: 550; }
.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);
  box-shadow: inset 2px 0 0 var(--accent); font-weight: 640; }
.rail .tab.active svg { opacity: 1; }

.rail-chan { margin-top: auto; padding-top: .8rem; display: grid; gap: .5rem;
  border-top: 1px solid var(--line); }
.rail-chan select { width: 100%; margin: 0; padding: .35rem .5rem; font-size: .84rem; }
.rail-ai { display: flex; align-items: center; gap: .5rem; min-width: 0; }
.rail-ai .muted { flex: 1; min-width: 0; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; font-size: .78rem; }

header {
  display: flex; align-items: center; gap: 1rem; min-height: var(--dau);
  padding: .4rem 1.4rem; background: var(--panel);
  border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5;
}
header .right { margin-left: auto; display: flex; align-items: center; gap: .6rem; }
/* 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. */
header:not(:has(.nav-live:not([hidden]))) { min-height: 0; padding: .3rem 1.4rem; }

@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 .6rem 0 .2rem; }
  .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: .42rem .8rem;
  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);
  border-bottom-color: var(--accent); font-weight: 640; }

/* ---------- 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: .55rem; flex-wrap: wrap;
  padding: .22rem .3rem .22rem .5rem; border-radius: 999px;
  background: var(--panel-2); border: 1px solid var(--line); }
.nav-live .nl-ten { background: none; border: 0; padding: .1rem .2rem;
  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: .78rem; 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: 1.4rem 1.6rem; max-width: 1760px; }
.toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.1rem; gap: 1rem; }

/* ---------- hang so lieu tong quan ---------- */
.tiles { display: grid; gap: .8rem; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); margin-bottom: 1.3rem; }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  padding: .85rem 1rem; display: flex; flex-direction: column; gap: .1rem; }
.tile b { font-size: 1.45rem; font-weight: 650; letter-spacing: -.02em; line-height: 1.2;
  font-variant-numeric: tabular-nums; }
.tile span { font-size: .78rem; 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: .9rem;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.ds-phien { display: grid; gap: .35rem; grid-template-columns: minmax(0, 1fr); }
.stream-card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  cursor: pointer; transition: border-color .14s, background .14s;
  display: grid; align-items: center; gap: .9rem; padding: .5rem .7rem;
  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: rgba(53,192,122,.45); }

.sc-poster { width: 64px; aspect-ratio: 16/10; border-radius: 6px;
  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: 1.1rem; opacity: .35; }

.sc-body { display: flex; flex-direction: column; gap: .18rem; min-width: 0; }
.sc-dau { display: flex; align-items: center; gap: .55rem; min-width: 0; }
.sc-body h3 { overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-size: .95rem; }
.sc-phu { display: flex; align-items: center; gap: .7rem; flex-wrap: wrap;
  font-size: .78rem; min-width: 0; }
.sc-phu .muted { font-size: .78rem; }
.sc-metrics { display: flex; gap: 1.2rem; }
.sc-metrics div { display: flex; flex-direction: column; }
.sc-metrics b { font-size: .95rem; font-variant-numeric: tabular-nums; }
.sc-metrics span { font-size: .7rem; color: var(--muted); }
.sc-foot { display: flex; align-items: center; gap: .5rem; }

@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: .35rem;
  padding: .16rem .55rem; border-radius: 999px;
  font-size: .74rem; font-weight: 600; background: var(--panel-3); color: var(--muted); }
.badge.running { background: rgba(53,192,122,.16); color: var(--ok-text); }
.badge.reconnecting, .badge.starting { background: rgba(232,185,48,.16); color: var(--warn-text); }
.badge.failed { background: rgba(240,85,90,.16); 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: .78rem; }
.bad-line { color: var(--bad-text); font-size: .78rem; }

/* ---------- 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: .42rem .7rem; 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: 550; font-size: .78rem; background: var(--panel-2); }
td.right, th.right { text-align: right; }

.bar { height: 7px; background: var(--panel-3); border-radius: 4px; overflow: hidden; margin: .5rem 0; }
.bar > div { height: 100%; width: 0; background: var(--accent); transition: width .25s; }

/* ---------- trang thai rong ---------- */
.empty { color: var(--muted); text-align: center; padding: 3.5rem 1.5rem;
  background: var(--panel); border: 1px dashed var(--line); border-radius: var(--r); }
.empty .big-icon { font-size: 2.4rem; display: block; margin-bottom: .6rem; opacity: .5; }
.empty b { display: block; color: var(--text); margin-bottom: .3rem; font-size: 1rem; }

/* ---------- 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: 20; display: flex; flex-direction: column; }
@media (max-width: 900px) { .drawer { inset: 0; } }
.drawer-inner { flex: 1; overflow-y: auto; padding: 0 1.4rem 2.5rem;
  display: flex; flex-direction: column; gap: .9rem; }

/* `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: .9rem; 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 { display: grid; gap: .6rem; 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; }
.dk-phu > details[open], .dk-phu > .khu-nguy-hiem { grid-column: 1 / -1; }

/* 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: 3;
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  margin: 0 -1.4rem 0; padding: .85rem 1.4rem;
  background: var(--panel); border-bottom: 1px solid var(--line); }
.drawer-head h2 { margin: 0; font-size: 1.15rem; letter-spacing: -.02em; }
.drawer-actions { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap;
  margin-left: auto; }

details { background: var(--panel); border: 1px solid var(--line); border-radius: 11px;
  padding: .75rem 1rem; margin: 0; align-self: start; }
details[open] { padding-bottom: 1rem; }
summary { cursor: pointer; font-weight: 600; font-size: .95rem; list-style: none;
  display: flex; align-items: center; gap: .45rem; }
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: 1rem; flex-wrap: wrap;
  background: var(--panel); border: 1px solid var(--line); border-radius: 11px;
  padding: .7rem 1rem; }
/* 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: .2rem 2.6rem; flex: 1; min-width: 0; }
.kpi-o > div { display: flex; flex-direction: column; min-width: 5.5rem; }
.kpi-o b { font-size: 1.45rem; font-weight: 650; letter-spacing: -.02em;
  line-height: 1.15; font-variant-numeric: tabular-nums;
  overflow: hidden; text-overflow: ellipsis; }
.kpi-o span { font-size: .76rem; 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: .6rem; flex: none; }
.kpi-ben .muted { font-size: .76rem; }
/*
 * 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: .82rem; color: var(--warn-text);
  display: flex; align-items: center; gap: .6rem; flex-wrap: wrap;
  margin-top: .55rem; padding: .5rem .7rem; border-radius: 8px;
  background: rgba(232,185,48,.12); }

/* Chua co so: mot dong, tra lai ~80px cho khung xem truoc va hang doi. */
.kpi.gon-mot-dong { padding: .5rem 1rem; }
.kpi.gon-mot-dong .kpi-vuong { margin-top: 0; background: none; padding: 0; }
.kpi-chua { display: flex; align-items: baseline; gap: .5rem; flex-wrap: wrap; }
.kpi-chua b { font-size: .92rem; }
.kpi-chua span { font-size: .82rem; color: var(--muted); }

.live { background: linear-gradient(135deg, var(--panel), var(--panel-2));
  border: 1px solid rgba(53,192,122,.3); border-radius: 11px; padding: .9rem 1rem; margin-bottom: .8rem; }
.live-row { display: flex; align-items: center; gap: .8rem; }
.live-row.metrics { margin-top: .8rem; gap: 1.6rem; }
.live-row.metrics b { font-size: 1.3rem; display: block; font-variant-numeric: tabular-nums; }
.live-row.metrics label { margin: 0; font-size: .72rem; }
.notice { font-size: .84rem; margin: .6rem 0 0; color: var(--warn-text); }

.queue { list-style: none; margin: .5rem 0; padding: 0; }
.queue li { display: flex; align-items: center; gap: .5rem;
  background: var(--panel-2); border-radius: 9px; padding: .45rem .6rem; margin-bottom: .35rem; }
.queue li img { width: 30px; height: 42px; object-fit: cover; border-radius: 4px; background: var(--panel-3); }
.queue li .name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .88rem; }
.queue li .dur { color: var(--muted); font-size: .78rem; font-variant-numeric: tabular-nums; }
.queue li button { padding: .12rem .4rem; font-size: .82rem; }
.add-row { display: flex; gap: .5rem; align-items: center; margin: .6rem 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: .5rem; margin: .6rem 0;
  color: var(--text); line-height: 1.45; }

/* 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: .22rem .5rem 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: .4rem 0 0; padding: 0; max-height: 280px; overflow-y: auto; }
.log li { display: flex; gap: .6rem; font-size: .82rem; padding: .32rem 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: 1.8rem; }
#member-table select { width: auto; margin: 0; padding: .22rem .4rem; font-size: .84rem; }
#shop-table input { margin: 0; padding: .3rem .5rem; }

.toast { position: fixed; bottom: 1.3rem; left: 50%; transform: translateX(-50%);
  background: var(--panel); border: 1px solid var(--line); border-radius: 11px;
  padding: .7rem 1.1rem; 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: .5rem; padding: .6rem .9rem; }
  header nav { order: 3; width: 100%; overflow-x: auto; }
  main { padding: .9rem; }
  .drawer-inner { padding: 1rem; }
}

.panel-log { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  padding: .3rem .9rem; max-height: none; }
.panel-log li { padding: .5rem 0; }
.panel-log li .who { color: var(--muted); }
.panel-log li a { color: var(--accent); 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:6px; 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:12px; }
.tt-o { border:1px solid var(--line); border-radius:10px; padding:12px 14px; background: var(--panel); }
.tt-o h4 { margin:0 0 6px; font-size:13px; text-transform:uppercase; letter-spacing:.04em;
           color:var(--muted); }
.tt-o .so { font-size:26px; font-weight:600; line-height:1.1; }
.tt-o.co-loi { border-color: rgba(240,85,90,.45); background: rgba(240,85,90,.10); }
.tt-muc { border-left:3px solid var(--line); padding:10px 14px; 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: rgba(240,85,90,.10); }
.tt-muc.canh-bao { border-left-color: var(--warn); background: rgba(232,185,48,.10); }
.tt-muc .ma { font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:12px;
              color:var(--muted); }
.tt-muc .noi { margin:4px 0; }
.tt-muc .lam { font-size:13px; color:var(--tin-text); }
.tt-muc .tu { font-size:13px; color: var(--ok-text); }
.tt-muc .chitiet { font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:12px;
                   color:var(--muted); margin-top:4px; 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:.5rem .1rem; color:var(--ok-text,var(--muted)); }

/* ---------- 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: .4rem 0 0; padding: 0;
  display: grid; gap: .45rem; }
.bo-phan .bp { display: grid; gap: .1rem; padding: .55rem .7rem;
  border-radius: 9px; border-left: 3px solid var(--ok); background: var(--panel-2); }
.bo-phan .bp.chet { border-left-color: var(--bad); background: rgba(240,85,90,.10); }
.bo-phan .bp b { font-size: .9rem; }
.bo-phan .bp span { font-size: .8rem; color: var(--muted); }
.bo-phan .bp em { font-size: .8rem; font-style: normal; color: var(--bad-text); }
.bo-phan .bp-dong { display: flex; align-items: center; gap: .6rem;
  justify-content: space-between; font-size: .82rem; margin-top: .35rem; }
.bo-phan .bp-dong span { min-width: 0; overflow: hidden; text-overflow: ellipsis;
  white-space: nowrap; }
#tt-worker td, #tt-worker th { padding: .45rem .6rem; font-size: .85rem; }
/* 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: .72rem; color: var(--muted); margin-top: .2rem;
  line-height: 1.35; }

.danh-sach-nho { list-style: none; margin: .4rem 0 0; padding: 0;
  display: grid; gap: .5rem; font-size: .86rem; }
.danh-sach-nho li { display: grid; gap: .1rem; padding-left: .8rem;
  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: .8rem; }
.danh-sach-nho em { font-style: normal; font-size: .8rem; 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. */
.tv-dau { display: grid; gap: 1rem; align-items: start; margin-bottom: 1.1rem;
  grid-template-columns: minmax(0, 22rem) minmax(0, 1fr); }
@media (max-width: 980px) { .tv-dau { grid-template-columns: minmax(0, 1fr); } }
.bo-phan.ngang { grid-template-columns: minmax(0, 1fr); align-content: start; }
/* `align-content`, khong phai `justify-content`: the la mot luoi, keo gian
 * theo chieu doc thi tieu de dinh mep tren con mo ta rot xuong mep duoi. */
.bo-phan.ngang .bp { align-content: center; }
.tv-thieu-hop { background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--r); padding: .8rem 1rem; }
.tv-thieu-hop h3 { margin: 0 0 .2rem; }

/* Bao loi phai o lai cho toi khi nguoi dung dong — xem chu thich ham toast() */
.toast { display: flex; align-items: flex-start; gap: .7rem; }
.toast-x { background: none; border: 0; font-size: 1.25rem; line-height: 1; cursor: pointer;
  color: inherit; opacity: .65; padding: 0 .1rem; }
.toast-x:hover { opacity: 1; }
.badge.dung { background: rgba(232,185,48,.14); color: var(--warn-text); border-color: rgba(232,185,48,.35); white-space: nowrap; }

/* ── Canh bao tuan thu quy dinh Shopee ──
 * LOI DA MAC: nen dat cung mau SANG (rgba(240,85,90,.10)) 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 .55rem; font-size: .8rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.tuanthu { border-left: 3px solid var(--line); padding: .7rem .9rem;
  margin: 0 0 .5rem; background: var(--panel-2); border-radius: 0 10px 10px 0;
  color: var(--text); }
.tuanthu.nang     { border-left-color: var(--bad);  background: rgba(240,85,90,.10); }
.tuanthu.canh-bao { border-left-color: var(--warn); background: rgba(232,185,48,.10); }
.tuanthu.goi-y    { border-left-color: #4d9bf0;     background: rgba(77,155,240,.10); }
.tuanthu .nhan { display: inline-block; font-size: .7rem; 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: .3rem 0; line-height: 1.5; color: var(--text); }
.tuanthu .lam { font-size: .875rem; line-height: 1.45; color: var(--text);
  font-weight: 500; }
.tuanthu .can-cu { font-size: .75rem; color: var(--muted); margin-top: .35rem; }

/* ── Xem truoc video ── */
.xem-lop { position: fixed; inset: 0; background: rgba(0,0,0,.72); z-index: 60;
  display: flex; align-items: center; justify-content: center; padding: 1.2rem; }
.xem-hop { background: var(--panel); border-radius: 14px; overflow: hidden;
  max-width: min(460px, 94vw); width: 100%; box-shadow: 0 20px 60px rgba(0,0,0,.4);
  display: flex; flex-direction: column; max-height: 92vh; }
.xem-dau { display: flex; align-items: center; justify-content: space-between; gap: .6rem;
  padding: .7rem .95rem; 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: .6rem;
  padding: .65rem .95rem; border-top: 1px solid var(--line); flex-wrap: wrap; }
.xem-nut { display: flex; gap: .45rem; flex-wrap: wrap; }
.xem-chan a.ghost { text-decoration: none; }

/* ── Tien do phat va chuan hoa ── */
.sc-tiendo { margin: .5rem 0 .2rem; display: grid; gap: .28rem; }
.td-dong { display: flex; justify-content: space-between; gap: .5rem;
  font-size: .78rem; line-height: 1.3; }
.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: 3px; background: var(--line);
  overflow: hidden; }
.td-thanh i { display: block; height: 100%; background: var(--brand, #ee4d2d);
  border-radius: 3px; transition: width .4s linear; }
.ch-tiendo { display: grid; gap: .25rem; margin-top: .3rem; }
.ch-tiendo .td-thanh i { background: #4d9bf0; transition: width .8s linear; }
.sc-nut { display: flex; gap: .35rem; }

/* ── Tien ich trinh duyet ── */
.ma-nho { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .76rem;
  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: .8rem; color: var(--tin-text); margin-top: .15rem;
  line-height: 1.4; }
details.ky-thuat { background: none; border: 0; padding: 0; margin-top: .25rem; }
details.ky-thuat > summary { font-size: .74rem; 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: .9rem; padding: .9rem 1.1rem; border: 1px solid rgba(232,185,48,.35);
  background: rgba(232,185,48,.10); border-radius: 11px; }
.hop-ma code { display: block; margin: .5rem 0; padding: .55rem .7rem; background: var(--panel-3);
  border: 1px solid var(--line); border-radius: 8px; word-break: break-all;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .82rem; }
.hop-ma p { margin: .4rem 0 .6rem; font-size: .84rem; 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,#868e96); margin-left:6px; vertical-align:middle; }
.ti-den.song { background:#2f9e44; box-shadow:0 0 0 3px rgba(47,158,68,.18); }
.ti-den.chet { background:var(--bad); box-shadow:0 0 0 3px rgba(224,49,49,.18); }
.ti-nut { display:flex; flex-wrap:wrap; gap:.4rem; margin:.6rem 0; }
.ti-lenh { display:grid; gap:.35rem; margin-top:.7rem; }
.ti-lenh .muc { display:flex; justify-content:space-between; gap:.6rem;
  padding:.45rem .7rem; border-radius:8px; background:var(--panel-2,#f7f8fa);
  font-size:.82rem; }
.ti-lenh .muc.xong { background: rgba(53,192,122,.14); }
.ti-lenh .muc.loi, .ti-lenh .muc.het-gio { background:rgba(240,85,90,.10); color:var(--bad-text); }
.ti-lenh .muc.dang-lam, .ti-lenh .muc.cho { background:rgba(232,185,48,.14); }
.ti-lenh .tt { flex:none; opacity:.75; }
.luoi2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 .9rem; }
@media (max-width: 640px) { .luoi2 { grid-template-columns: 1fr; } }

/* ── Cot "Sap toi" trong hang doi ── */
.queue li.dang-phat { background: rgba(232,185,48,.14); border-radius: 8px; }
.queue .sap { font-size: .76rem; 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: .64rem; font-weight: 700; letter-spacing: .05em;
  padding: .1rem .38rem; border-radius: 4px; background: var(--panel-2, #f1f3f5);
  color: var(--muted); }
.n-PHAT { background: rgba(77,155,240,.14); color: var(--tin-text); }
.n-LOI { background: rgba(240,85,90,.10); color: var(--bad-text); }
.n-HANG-DOI { background: rgba(140,120,240,.12); color: #6741d9; }
.n-CAU-HINH { background: rgba(232,185,48,.14); color: var(--warn-text); }
.n-HAN-MUC { background: rgba(232,185,48,.14); 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: .3rem 0 0; }
.cot-khung { display: flex; gap: .6rem; align-items: stretch; }
.cot-truc-doc { display: flex; flex-direction: column; justify-content: space-between;
  font-size: .72rem; color: var(--muted); text-align: right; flex: none;
  padding: .3rem 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: 3px; height: 170px;
  padding: .3rem 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: 3px 3px 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: .78rem;
  padding-top: .25rem; border-top: 1px solid var(--line); }
.hai-cot > .o { background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--r); padding: 1rem 1.15rem; min-width: 0; }
.hai-cot > .o > h3:first-child { margin: 0 0 .1rem; }
.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: 1rem; 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: 1rem 1.15rem; }
@media (max-width: 900px) { .sl-trong { grid-template-columns: minmax(0, 1fr); } }
.sl-khung { display: flex; gap: .6rem; 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: .84rem; }
.sl-cach { display: flex; flex-direction: column; gap: .45rem; font-size: .88rem;
  color: var(--muted); }
.sl-cach b { color: var(--text); }
.sl-nut { display: flex; gap: .45rem; flex-wrap: wrap; margin-top: .3rem; }

/* ---------- ban hang: san pham + kich ban ---------- */
.sp-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .6rem; }
.sp-anh { width: 40px; height: 40px; object-fit: cover; border-radius: 6px; }
.kb-card { display: flex; flex-direction: column; gap: .5rem; }
.kb-head { display: flex; gap: .6rem; align-items: center; }
.kb-head img { width: 64px; height: 36px; object-fit: cover; border-radius: 4px; }
.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: .3rem;
  padding: .6rem .8rem; margin-bottom: .6rem;
  border-radius: 8px; background: rgba(127,127,127,.08);
}
.binhluan { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: .5rem; }
.binhluan .bl {
  padding: .6rem .8rem; border-radius: 8px;
  border: 1px solid rgba(127,127,127,.25);
}
.binhluan .bl.da { opacity: .6; }
.bl-head { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.bl-noidung { margin: .3rem 0; }
.bl-goiy { font-size: .88em; margin: .3rem 0; }
.bl-daTraLoi { font-size: .9em; color: var(--ok-text); margin-top: .3rem; }
.pill {
  font-size: .78em; padding: .05rem .45rem; border-radius: 999px;
  background: rgba(127,127,127,.18);
}
.pill.y-sap-mua { background: rgba(255,138,0,.22); }
.pill.y-khieu-nai { background: rgba(220,38,38,.18); }
.canh-bao {
  font-size: .85em; padding: .4rem .6rem; border-radius: 6px;
  background: rgba(234,179,8,.14); border-left: 3px solid rgba(234,179,8,.7);
}
.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. */
.binhluan .bl.ctl-hang {
  display: grid; align-items: center; gap: .2rem .7rem;
  grid-template-columns: 8.5rem minmax(0, 1fr) auto auto;
  padding: .3rem .5rem;
}
.ctl-hang .pill { justify-self: start; }
.ctl-chu { overflow-wrap: anywhere; }
.ctl-dem { font-size: .78em; white-space: nowrap; }
.ctl-nut { display: flex; gap: .3rem; }
/* 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: .4rem 0; }
.ghim-the { display: flex; gap: .75rem; align-items: flex-start;
  padding: .7rem .8rem; border-radius: 9px; background: rgba(127,127,127,.08); }
.ghim-the img { width: 56px; height: 56px; object-fit: cover; border-radius: 6px;
  flex: none; }
.ghim-trong { width: 56px; height: 56px; border-radius: 6px; flex: none;
  display: grid; place-items: center; font-size: 1.4rem; opacity: .45;
  background: var(--panel-3); }
.ghim-chu { min-width: 0; display: flex; flex-direction: column; gap: .12rem; }
/* 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: 1.3; }
.ghim-nhan + .ghim-chu, .ghim-the.goi-y .ghim-chu { padding-right: .2rem; }
.ghim-gia b { font-size: 1.05rem; color: var(--accent); }
.ghim-gia s { font-size: .82rem; }
.ghim-link { font-size: .8rem; color: var(--tin-text); text-decoration: none;
  margin-top: .15rem; }
.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: .68rem; 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: .82rem; 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: .5rem 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: .6rem 0; color: var(--accent); max-width: 760px; }
.bd-dau { font-size: .8rem; margin-bottom: .3rem; }
.bd-dau b { color: var(--text); }
.bd-khung { display: flex; gap: .6rem; 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: .78rem;
  padding-top: .25rem; }
.upload-list { list-style: none; padding: 0; margin: .5rem 0 0; font-size: .88em; }
.upload-list li { display: flex; gap: .6rem; justify-content: space-between; padding: .15rem 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: .2rem; }

/* ---------- dau bang phien: trang thai + nut chinh luon nhin thay ---------- */
.dau-so { display: flex; gap: 1.1rem; align-items: baseline; }
.dau-so span { font-size: .72rem; color: var(--muted); display: flex; gap: .3rem;
  align-items: baseline; }
.dau-so b { font-size: 1rem; color: var(--text); font-variant-numeric: tabular-nums; }

/* ---------- khoi "dang phat" ---------- */
.live { background: var(--panel); border: 1px solid var(--line); border-radius: 11px;
  padding: .85rem 1rem; }
/*
 * 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 { display: grid; gap: 1.1rem; align-items: start;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr) 19rem; }
@media (max-width: 1400px) { .buong-lai { grid-template-columns: minmax(0, 1fr) 20rem; }
  .buong-lai > .buong-hd { grid-column: 1 / -1; } }
@media (max-width: 1180px) { .buong-lai { grid-template-columns: minmax(0, 1fr); }
  .buong-lai > .buong-hd { grid-column: 1; } }

/* 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-left: 1px solid var(--line);
  border-right: 1px solid var(--line); border-radius: 0;
  padding: 0 1.1rem; 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: .4rem; }
@media (max-width: 1400px) {
  .buong-hd { border-left: 0; border-right: 0; border-top: 1px solid var(--line);
    padding: .8rem 0 0; }
}
/*
 * 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.
 */
/* Cot trai gio hep (20rem) nen xem truoc va chu XEP NGANG trong do, va
 * `align-content: start` de ba hang khong bi keo gian cho bang chieu cao khung
 * xem truoc — do la nguon cua khoang trong doc trong cot giua truoc day. */
.buong-trai { display: grid; gap: .6rem 1rem; min-width: 0;
  grid-template-columns: 150px minmax(0, 1fr); align-content: start; }
.buong-trai > .dangphat { display: contents; }
.buong-trai > .dangphat > .dp-xem { grid-column: 1; grid-row: 1 / span 2; }
/*
 * 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.
 */
.buong-trai > .buong-bl { grid-column: 1 / -1; }
.buong-trai > .dangphat > .dp-than { grid-column: 2; grid-row: 1; }
.buong-trai > .kpi { grid-column: 2; grid-row: 2; }
@media (max-width: 820px) {
  .buong-trai { grid-template-columns: minmax(0, 1fr); }
  .buong-trai > .dangphat > .dp-xem { grid-column: 1; grid-row: auto;
    justify-self: center; }
  .buong-trai > .dangphat > .dp-than,
  .buong-trai > .buong-bl, .buong-trai > .kpi { grid-column: 1; }
}

/* 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: .4rem; padding-top: .7rem; border-top: 1px solid var(--line); }
.bbl-dau { display: flex; align-items: center; gap: .7rem; flex-wrap: wrap; }
.bbl-tu { display: flex; align-items: center; gap: .3rem; margin: 0;
  font-size: .78rem; 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-trai > .kpi { background: none; border: 0; border-top: 1px solid var(--line);
  border-radius: 0; padding: .8rem 0 0; }
.buong-trai > .kpi.gon-mot-dong { padding: .7rem 0 0; }

/* 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: .35rem; left: .35rem; font-size: .58rem;
  font-weight: 800; letter-spacing: .04em; color: #fff; white-space: nowrap;
  background: rgba(0,0,0,.6); padding: .1rem .32rem; border-radius: 4px; }


/*
 * 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: 10px; 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: .3rem; right: .3rem; bottom: .3rem;
  align-self: end; justify-self: stretch;
  display: flex; gap: .45rem; align-items: center; padding: .4rem .45rem;
  border-radius: 8px; 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: 5px; flex: none; }
.dp-sp-hop { width: 30px; height: 30px; display: grid; place-items: center;
  border-radius: 5px; background: #e9edf3; font-size: .95rem; flex: none; }
.dp-sp-chu { min-width: 0; display: flex; flex-direction: column; line-height: 1.25; }
.dp-sp-chu > b { font-size: .72rem; overflow: hidden; text-overflow: ellipsis;
  white-space: nowrap; }
.dp-sp-chu > span { font-size: .68rem; }
.dp-sp-chu > span > b { color: #d0021b; font-size: .82rem; }
/* 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: .15rem; font-size: .68rem; }

/* Chua ghim: mot dai RONG noi su that, khong phai mot the san pham gia. */
.dp-sp.trong { display: flex; flex-direction: column; gap: .3rem;
  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: .68rem; line-height: 1.3; font-weight: 600; }
.dp-sp.trong button { padding: .2rem .5rem; font-size: .7rem; }
.dp-sp-chu i { font-style: normal; color: #fff; background: #d0021b;
  padding: 0 .18rem; border-radius: 3px; font-size: .62rem; 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: .35rem; right: .35rem; font-size: .56rem;
  font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  color: #fff; background: rgba(0,0,0,.6); padding: .1rem .32rem;
  border-radius: 4px; 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: .5rem 1.4rem; 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: 1.4rem; 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: 1.3rem; flex-wrap: wrap; margin-top: .2rem;
  padding-top: .55rem; border-top: 1px solid var(--line);
  font-size: .78rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.dp-suc b { color: var(--text); font-size: .92rem; }
.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: .5rem; min-width: 0;
  padding-left: 1.3rem; 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: .9rem; }
}
.bn-dau { font-size: .66rem; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--muted); }
.nut-nhanh { display: grid; gap: .4rem; grid-template-columns: repeat(3, 1fr); }
.nut-nhanh .nn { display: flex; flex-direction: column; align-items: center;
  gap: .15rem; padding: .5rem .25rem; line-height: 1.15; }
/* 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: rgba(240,85,90,.55); color: var(--bad-text); }
.nut-nhanh .nn.nguy:not(:disabled):hover { background: rgba(240,85,90,.12); }
.nn-bieu { font-size: 1.05rem; opacity: .75; }
.nn-ten { font-size: .68rem; font-weight: 500; text-align: center;
  white-space: normal; }
.bn-am { display: grid; gap: .35rem; margin-top: .2rem; }
.bn-truot { display: flex; align-items: center; gap: .5rem; margin: 0;
  font-size: .78rem; color: var(--text); }
.bn-truot input[type="range"] { flex: 1; margin: 0; padding: 0; width: auto; }
.bn-am select { margin: 0; font-size: .82rem; padding: .3rem .5rem; }
/* `> 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: 1.6rem; opacity: .4; }
.dp-live { position: absolute; top: .35rem; left: .35rem; font-size: .58rem;
  font-weight: 800; letter-spacing: .04em; color: #fff; white-space: nowrap;
  background: rgba(200,30,40,.92); padding: .1rem .32rem; border-radius: 4px; }
.dp-than { display: flex; flex-direction: column; gap: .45rem; min-width: 0; }
.dp-nhan-phu { font-size: .66rem; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--muted); }
.dp-ke-the { display: flex; gap: .55rem; align-items: center; margin-top: .2rem;
  min-width: 0; }
.dp-ke-the img { width: 56px; height: 32px; object-fit: cover; border-radius: 4px;
  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: .6rem; flex-wrap: wrap; }
.dp-nhan { font-size: .7rem; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--ok-text); }
.dp-ten { font-size: 1.05rem; letter-spacing: -.01em; }
.dp-thanh { height: 6px; border-radius: 4px; 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: 1.2rem; align-items: baseline; flex-wrap: wrap;
  font-size: .84rem; 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: .55rem; }
.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: .7rem; display: grid; gap: .5rem;
  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: .82rem; color: var(--muted); line-height: 1.45; margin: .35rem 0 .6rem; }
body.gon .hint { display: none; }
body.gon .canh-bao { font-size: .82rem; }
.nut-gon { font-size: .78rem; }
.khu-nguy-hiem { display: flex; align-items: center; gap: .8rem; padding: .8rem 1rem;
  border: 1px dashed rgba(240,85,90,.35); border-radius: 11px; }
.khu-nguy-hiem .muted { font-size: .82rem; }

/* ---------- 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: 1.4rem; 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: .9rem 1rem; }
.cot-phu h3 { margin: 0 0 .2rem; font-size: .95rem; }
.cot-phu .log { max-height: 62vh; overflow-y: auto; }

/* O so lieu: them dong phu, va mau theo y nghia. */
.tile em { font-size: .74rem; color: var(--muted); font-style: normal; margin-top: .15rem; }
.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: .45rem 0; }
.cot-phu .log li time { display: block; font-size: .72rem; margin-bottom: .12rem; }
.cot-phu .log li .nhan-loai { margin-right: .35rem; }
.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: .8rem .95rem; }
.tile b { font-size: 1.6rem; }
.tile span { font-size: .8rem; color: var(--text); opacity: .85; }

/* ---------- "Can chu y": gom viec dang can lam vao MOT cho ---------- */
#can-chu-y h3 { margin: 0 0 .5rem; font-size: 1rem; }
.cy { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.cy-muc { display: flex; gap: .7rem; align-items: flex-start; cursor: pointer;
  background: var(--panel); border: 1px solid var(--line); border-left-width: 3px;
  border-radius: 10px; padding: .65rem .85rem; line-height: 1.45;
  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: #4d9bf0; }
.cy-muc .nhan { font-size: .68rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .05em; white-space: nowrap; padding-top: .16rem; 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: .84rem; color: var(--muted); margin-top: .15rem; }

/* ---------- 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. */
.luoi-o { display: grid; gap: 1rem; align-items: start;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); margin-top: 1rem; }
.luoi-o > .o { background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--r); padding: 1rem 1.15rem; min-width: 0; }
.luoi-o > .o > h3: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: .4rem;
  grid-template-columns: 1.5rem 30px minmax(0,1fr) 3.6rem 5.4rem 5.2rem;
  background: var(--panel-2); border-radius: 9px; padding: .4rem .55rem; margin-bottom: .3rem; }
.queue li.hd-dau, .queue li.hd-cuoi { background: none; font-size: .74rem;
  color: var(--muted); padding: .15rem .55rem; margin-bottom: .15rem; }
.queue li.hd-cuoi { display: block; margin-top: .4rem; font-size: .82rem; }
.queue li.dang { background: rgba(53,192,122,.12); box-shadow: inset 2px 0 0 var(--ok); }
/*
 * 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 { display: block; font-size: .68rem; color: var(--ok-text); font-weight: 700;
  text-transform: uppercase; letter-spacing: .05em; }
/* Nay `.hd-sp` nam TRONG o ten, thanh dong thu hai — khong con la mot cot. */
.hd-sp { display: block; font-size: .76rem; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; }
.hd-sp::before { content: '🛒 '; }
.queue .sap { font-variant-numeric: tabular-nums; }
.hd-nut { display: flex; gap: .15rem; }
.hd-nut button { padding: .2rem .4rem; }
@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: .5rem .6rem; }
#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: 8px; 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: 5px; background: var(--panel-3) center/cover no-repeat;
  display: grid; place-items: center; cursor: pointer; position: relative; }
.v-bang td { padding-top: .35rem; padding-bottom: .35rem; }
.v-bang td .thumb .ph { font-size: .9rem; opacity: .4; }
.v-bang .nm { display: block; font-weight: 550; }
.v-bang .dung-line, .v-bang .bad-line { display: block; font-size: .76rem; }
.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: .3rem; }
.v-bang .v-nut { white-space: nowrap; }
.v-bang .v-nut button + button { margin-left: .25rem; }
/* 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` van mang lop `.vgrid` (luoi 190px) tu thoi con la the. Bang
 * nam trong mot ranh luoi 190px thi no bi bop con mot nua man hinh va ten video
 * cat thanh "[mau] ...". Ghi de ve khoi. */
#video-grid { display: block; overflow-x: auto; }
@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: 1rem; 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: .7rem 0 0;
  margin-top: .5rem; border-top: 1px solid var(--line); }
.bn-ghim > summary { font-size: .66rem; 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. */
.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: .3rem .45rem; font-size: .85rem; width: 100%; }

/* ---------- bang kich ban canh (Bac 5) ---------- */
.canh-bang { width: 100%; table-layout: fixed; }
.canh-bang th { text-align: left; font-weight: 550; font-size: .82rem; }
.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: .25rem .3rem .25rem 0; vertical-align: middle; }
.canh-bang input, .canh-bang select { margin: 0; width: 100%;
  padding: .3rem .45rem; font-size: .85rem; }
.kb-bang td { vertical-align: middle; padding-top: .35rem; padding-bottom: .35rem; }
.kb-bang td img, .kb-bang .kb-trong { width: 56px; height: 32px; border-radius: 4px;
  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: 550; }
.kb-bang td .muted { font-size: .78rem; }
.kb-bang select { margin: 0; padding: .3rem .45rem; font-size: .85rem; }
.kb-bang .dung-line { display: block; font-size: .74rem; color: var(--warn-text); }
.kb-bang .kb-nut { white-space: nowrap; }
.kb-bang .kb-nut button + button { margin-left: .25rem; }
.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: .2rem; }
#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: .25rem; }

/* ---------- 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: .05rem;
  margin: .15rem 0 .2rem .95rem; padding-left: .55rem;
  border-left: 1px solid var(--line); }
.tab-con { display: block; width: 100%; text-align: left;
  background: transparent; color: var(--muted);
  padding: .3rem .5rem; border-radius: 7px; border: 0; font-size: .86rem;
  font-weight: 500; }
.tab-con:hover:not(.active) { background: var(--panel-2); color: var(--text); }
.tab-con.active { color: var(--accent); font-weight: 640; 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: .35rem;
  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, #c0392b); }

/* Dong "chua co so": thay cho mot o giu cho. Mot dong thay vi 90px cho trong. */
.chua-co { margin: -.6rem 0 1.1rem; }

/* Nhom phien da dung: gop lai, khong xep ngang hang voi phien dang song. */
.nhom-cu { margin-top: .6rem; }
.nhom-cu > summary { cursor: pointer; color: var(--muted); font-size: .84rem;
  padding: .5rem .2rem; user-select: none; }
.nhom-cu > summary:hover { color: var(--text); }
.nhom-cu[open] > summary { margin-bottom: .35rem; }

/* Dong gop "N phien da xong" tren bang dieu hanh. */
.hang-gop td { text-align: center; padding: .5rem; }
.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: 1; }

/* Hang tim san pham: o tim vua phai, so dem khong xuong dong. */
#sp-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.
 */
.luoi-hai { grid-template-columns: repeat(auto-fit, minmax(min(520px, 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: .3rem; margin: .35rem 0 .1rem; }
.bl-chip .chip {
  font-size: .8rem; padding: .22rem .55rem; 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); }