/* Cùng bộ màu với Video Manager (tinsustudio.com): giấy ngà, thẻ trắng, mực đen; tự đổi theo chế độ tối của máy. */
:root { color-scheme:light dark; --bg:#f4f3ef; --card:#fff; --soft:#efede7; --line:#e4e1da; --line-strong:#cfcbc2; --text:#1d1d1b; --muted:#76746e; --accent:#1d1d1b; --on-accent:#fff; --pink:#fe2c55; --danger:#b8322a; --danger-bg:#fbe3e0; --amber:#9a5b00; --amber-bg:#fdf0d9; --overlay:rgb(20 20 19 / 72%); font-family:-apple-system,system-ui,"Segoe UI",sans-serif; font-synthesis:none; }
@media (prefers-color-scheme:dark) { :root { --bg:#141413; --card:#1f1f1d; --soft:#292826; --line:#33322f; --line-strong:#4a4844; --text:#ecebe6; --muted:#9b988f; --accent:#ecebe6; --on-accent:#141413; --danger:#f07a6f; --danger-bg:#3b1c19; --amber:#f0b357; --amber-bg:#3a2c14; } }
* { box-sizing:border-box; }
body { margin:0; min-width:320px; min-height:100vh; background:var(--bg); color:var(--text); font-size:15px; line-height:1.45; }
button,input,textarea,select { font:inherit; color:inherit; }
button,a { -webkit-tap-highlight-color:transparent; }
button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible { outline:2px solid var(--accent); outline-offset:2px; }

/* Thanh trên */
.topbar,main { width:min(100% - 2rem,1180px); margin-inline:auto; }
.topbar { min-height:64px; display:flex; align-items:center; justify-content:space-between; gap:1rem; border-bottom:1px solid var(--line); }
.header-left { display:flex; align-items:center; gap:1rem; }
.account-nav { display:flex; align-items:center; gap:.45rem; }
.account-nav #current-user { margin-right:.25rem; color:var(--muted); font-size:.9rem; font-weight:600; }
.nav-link { display:inline-flex; align-items:center; min-height:38px; border-radius:999px; padding:.4rem .9rem; text-decoration:none; font-size:.9rem; }
.settings-link { min-width:38px; justify-content:center; padding:0; font-size:1.05rem; }
.brand { display:inline-flex; gap:.6rem; align-items:center; color:var(--text); text-decoration:none; font-size:1.2rem; font-weight:700; letter-spacing:-.01em; }
.brand-mark { width:1.7rem; height:1.7rem; display:grid; place-items:center; color:var(--on-accent); background:var(--accent); border-radius:7px; box-shadow:3px 3px 0 var(--pink); font-size:.68rem; }
.qr-link { display:flex; align-items:center; gap:.5rem; color:var(--muted); font-size:.78rem; font-weight:600; line-height:1.15; text-decoration:none; }
.header-qr { width:52px; height:52px; padding:3px; border:1px solid var(--line); border-radius:8px; background:#fff; image-rendering:pixelated; }
.crumb { width:min(100% - 2rem,1180px); margin:.75rem auto 0; display:flex; flex-wrap:wrap; gap:.4rem; align-items:center; color:var(--muted); font-size:.82rem; }
.crumb a { color:var(--muted); text-decoration:none; }
.crumb a:hover { color:var(--text); text-decoration:underline; }

/* Khung chung */
main { padding:1.25rem 0 4rem; }
.composer,.library { border:1px solid var(--line); border-radius:14px; background:var(--card); }
.composer { padding:clamp(1rem,3vw,1.75rem); }
.composer-copy { max-width:620px; }
.eyebrow { margin:0 0 .2rem; color:var(--muted); font-size:.82rem; font-weight:600; }
h1,h2 { margin:0; line-height:1.2; letter-spacing:-.015em; }
h1 { font-size:clamp(1.5rem,4vw,1.9rem); }
h2 { font-size:1.3rem; }
.supporting { margin:.5rem 0 0; color:var(--muted); }
.message { min-height:1.4rem; margin:.7rem 0 0; color:var(--muted); font-size:.88rem; }

/* Ô nhập + nút */
.composer form { display:flex; gap:.6rem; margin-top:1.25rem; }
input,textarea,select { min-height:42px; border:1px solid var(--line); border-radius:10px; background:var(--bg); color:var(--text); padding:.55rem .8rem; }
input::placeholder,textarea::placeholder { color:var(--muted); }
.composer textarea { flex:1; min-width:0; min-height:120px; resize:vertical; }
button,.open { min-height:40px; border:0; border-radius:10px; padding:.55rem 1rem; cursor:pointer; font-weight:600; }
.composer button,.login-card button { background:var(--accent); color:var(--on-accent); }
button:disabled { cursor:wait; opacity:.5; }
.quiet,.filter { border:1px solid var(--line); background:var(--card); color:var(--text); border-radius:999px; }
.quiet:hover,.filter:hover { border-color:var(--line-strong); }
.filter.active { background:var(--accent); color:var(--on-accent); border-color:var(--accent); }

/* Tiến trình nhập */
.job-status { margin-bottom:1rem; padding:.9rem 1.1rem; border:1px solid var(--line); border-radius:14px; background:var(--card); }
.job-status[hidden] { display:none; }
.job-summary { margin:0 0 .5rem; font-weight:600; }
.job-status progress { width:100%; height:.55rem; accent-color:var(--accent); }
.job-retry { margin-top:.6rem; color:var(--text); background:var(--soft); border:1px solid var(--line); }
.job-details { margin-top:.6rem; color:var(--muted); }
.job-items { max-height:220px; margin:.5rem 0 0; padding-left:1.3rem; overflow:auto; font-size:.8rem; }
.job-items li { margin:.25rem 0; overflow-wrap:anywhere; }

/* Thư viện */
.library { padding:clamp(1rem,2.5vw,1.5rem); }
.library-head { display:flex; justify-content:space-between; align-items:end; gap:1rem; }
.library-controls { display:flex; flex-wrap:wrap; justify-content:flex-end; align-items:center; gap:.5rem; }
.filters { display:flex; align-items:center; gap:.5rem; }
.filters select { border-radius:999px; background:var(--card); padding-inline:.9rem; }
.view-switch,.sort-switch { display:flex; gap:2px; padding:3px; border:1px solid var(--line); border-radius:999px; background:var(--soft); }
.view-button,.sort-button { min-height:34px; padding:.35rem .85rem; border-radius:999px; color:var(--muted); background:transparent; font-size:.88rem; }
.view-button[aria-pressed="true"],.sort-button[aria-pressed="true"] { color:var(--text); background:var(--card); box-shadow:0 1px 2px rgb(0 0 0 / 8%); }
.selection-actions { display:flex; align-items:center; gap:.4rem; }
.select-all-control { display:flex; align-items:center; gap:.4rem; min-height:34px; padding:.3rem .5rem; color:var(--muted); font-size:.88rem; font-weight:500; }
.select-all-control input,.card-select input { min-height:0; accent-color:var(--accent); }
.delete-selected { min-height:34px; padding:.35rem .85rem; border-radius:999px; color:var(--danger); background:var(--danger-bg); border:1px solid transparent; font-size:.88rem; }

/* Dòng thời gian theo ngày */
.timeline { display:grid; gap:1.5rem; margin-top:1rem; }
.video-grid { display:grid; gap:.9rem; margin-top:1rem; }
.date-navigation { position:sticky; top:0; z-index:4; margin:.25rem -.35rem 0; padding:.45rem .35rem .5rem; background:var(--card); border-bottom:1px solid var(--line); }
.date-navigation[hidden] { display:none; }
.date-navigation-track { display:flex; gap:6px; overflow-x:auto; overscroll-behavior-inline:contain; padding:.1rem .1rem .35rem; scrollbar-width:thin; scroll-snap-type:x proximity; }
.date-jump { flex:0 0 auto; min-height:32px; padding:.3rem .8rem; scroll-snap-align:start; border:1px solid var(--line); border-radius:999px; color:var(--text); background:var(--card); font-size:.85rem; font-weight:500; }
.date-jump.active { color:var(--on-accent); border-color:var(--accent); background:var(--accent); }
.date-heading { position:sticky; top:3.6rem; z-index:3; width:max-content; margin:0; padding:.3rem .8rem; border:1px solid var(--line); border-radius:999px; background:var(--card); box-shadow:0 2px 8px rgb(0 0 0 / 8%); color:var(--text); font-size:.9rem; font-weight:600; }
.date-group .video-grid { margin-top:.6rem; }
.timeline[data-view="grid"] .video-grid,.video-grid[data-view="grid"] { grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); }
.timeline[data-view="list"] .video-grid,.video-grid[data-view="list"] { grid-template-columns:1fr; }
.load-more { display:block; margin:1.5rem auto 0; }
.load-more[hidden] { display:none; }

/* Thẻ video */
.video-card { position:relative; min-width:0; overflow:hidden; border:1px solid var(--line); border-radius:14px; background:var(--card); }
.card-select { position:absolute; z-index:2; top:.55rem; left:.55rem; display:grid; width:30px; height:30px; place-items:center; border-radius:8px; background:rgb(255 255 255 / 88%); box-shadow:0 1px 3px rgb(0 0 0 / 20%); }
.card-select input { width:17px; height:17px; }
.thumbnail-link { position:relative; display:grid; aspect-ratio:9 / 12; place-items:center; overflow:hidden; color:var(--muted); background:var(--soft); text-decoration:none; }
.thumbnail { width:100%; height:100%; object-fit:cover; }
.thumbnail-fallback { position:absolute; inset:auto 1rem 1rem; padding:.45rem .7rem; border-radius:999px; background:var(--overlay); color:#fff; text-align:center; font-size:.8rem; font-weight:600; }
.thumbnail-link:not(.missing-thumbnail) .thumbnail-fallback { opacity:0; }
.view-badge { position:absolute; z-index:2; left:.6rem; bottom:.6rem; display:inline-flex; align-items:center; gap:.3rem; padding:.3rem .55rem; border-radius:999px; background:var(--overlay); color:#fff; font-size:.82rem; font-weight:700; line-height:1; font-variant-numeric:tabular-nums; }
.view-badge[hidden] { display:none; }
.view-age { color:rgb(255 255 255 / 80%); font-size:.78em; font-weight:500; white-space:nowrap; }
.upload-age { position:absolute; top:.6rem; right:.6rem; z-index:2; padding:.25rem .55rem; border-radius:999px; color:#fff; background:var(--overlay); font-size:.8rem; font-weight:600; }
.card-body { padding:.8rem .9rem .9rem; }
.saved-date { margin:0 0 .3rem; color:var(--muted); font-size:.8rem; }
.video-title { display:-webkit-box; margin:0 0 .25rem; overflow:hidden; font-weight:600; line-height:1.35; -webkit-box-orient:vertical; -webkit-line-clamp:2; }
.author-name { margin:0 0 .35rem; color:var(--muted); font-size:.85rem; }
.product-actions { display:flex; flex-wrap:wrap; gap:.35rem; margin:.5rem 0; }
.product-actions[hidden] { display:none; }
.product-link { display:inline-flex; min-height:30px; align-items:center; justify-content:center; padding:.3rem .7rem; border-radius:999px; color:var(--amber); background:var(--amber-bg); font-size:.8rem; font-weight:600; text-decoration:none; }
.video-url { display:block; overflow:hidden; color:var(--text); text-overflow:ellipsis; white-space:nowrap; text-decoration-color:var(--line-strong); }
.card-actions { display:flex; gap:.5rem; justify-content:space-between; align-items:center; margin-top:.8rem; }
.open { display:inline-flex; align-items:center; color:var(--on-accent); background:var(--accent); text-decoration:none; font-size:.88rem; }
.delete { color:var(--danger); background:transparent; border:1px solid var(--line); font-size:.88rem; }
.delete:hover { background:var(--danger-bg); border-color:transparent; }
.video-grid[data-view="list"] .video-card { display:grid; grid-template-columns:minmax(150px,190px) 1fr; }
.video-grid[data-view="list"] .card-body { display:flex; min-width:0; flex-direction:column; justify-content:center; }
.video-grid[data-view="list"] .card-actions { justify-content:flex-start; }

/* Đăng nhập / đăng ký */
.login-shell { display:grid; place-items:center; padding:1rem; }
.login-card { width:min(100%,400px); padding:clamp(1.25rem,5vw,1.75rem); border:1px solid var(--line); border-radius:14px; background:var(--card); }
.login-card .crumb { width:auto; margin:0 0 1rem; }
.login-card .brand { margin-bottom:1.5rem; }
.login-card h1 { font-size:1.5rem; }
.login-card form { display:grid; gap:.75rem; margin-top:1.25rem; }
.login-card label { display:grid; gap:.35rem; font-size:.9rem; font-weight:600; }
.login-card input { font-size:16px; }
.login-card button { margin-top:.35rem; padding:.75rem; font-size:1rem; }
.auth-switch { margin:1rem 0 0; color:var(--muted); font-size:.9rem; }
.auth-switch a,.inspection-head a { color:var(--text); }

/* Quản trị + cài đặt */
.users-list { display:grid; gap:.6rem; margin-top:1rem; }
.user-card { display:flex; align-items:center; justify-content:space-between; gap:1rem; padding:.9rem 1rem; border:1px solid var(--line); border-radius:14px; background:var(--card); }
.user-card p { margin:.15rem 0 0; color:var(--muted); font-size:.9rem; }
.user-actions { display:flex; flex-wrap:wrap; gap:.4rem; }
.inspection-head { display:flex; justify-content:space-between; align-items:center; gap:1rem; margin:1rem 0; }
.settings-page { max-width:900px; }
.extension-access { display:grid; gap:1rem; padding:clamp(1rem,3vw,1.5rem); border:1px solid var(--line); border-radius:14px; background:var(--card); }
.token-status { margin:0; color:var(--muted); font-weight:600; }
.copy-token { width:max-content; }
.token-actions { display:flex; flex-wrap:wrap; gap:.6rem; }
.extension-token { overflow-wrap:anywhere; color:var(--text); font-family:ui-monospace,monospace; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }

/* Điện thoại */
@media (max-width:700px) {
  .topbar,main,.crumb { width:min(100% - 1.5rem,1180px); }
  .login-card .crumb { width:auto; }
  .header-left { gap:.6rem; }
  .brand { font-size:1.05rem; }
  .qr-link { display:none; }
  .brand,.nav-link,.quiet { white-space:nowrap; }
  .account-nav { gap:.3rem; }
  .account-nav #current-user { display:none; }
  .quiet { padding-inline:.75rem; }
  .composer form,.library-head { align-items:stretch; flex-direction:column; }
  .library-controls { justify-content:stretch; }
  .filters { display:grid; flex:1 1 100%; grid-template-columns:1fr 1fr; }
  .filters label { grid-column:1 / -1; }
  .filters input,.filters select,.composer button { width:100%; }
  .view-switch,.sort-switch,.selection-actions { flex:1 1 100%; }
  .view-button,.sort-button { flex:1; }
  .selection-actions { justify-content:space-between; }
  .timeline[data-view="grid"] .video-grid,.video-grid[data-view="grid"] { grid-template-columns:repeat(2,minmax(0,1fr)); gap:.55rem; }
  .video-grid[data-view="grid"] .video-card { border-radius:12px; }
  .video-grid[data-view="grid"] .card-body { padding:.6rem; }
  .video-grid[data-view="grid"] .video-url { font-size:.75rem; }
  .video-grid[data-view="grid"] .card-actions,.video-grid[data-view="list"] .card-actions { align-items:stretch; flex-direction:column; }
  .video-grid[data-view="grid"] .open,.video-grid[data-view="grid"] .delete { justify-content:center; min-height:36px; padding:.4rem; font-size:.8rem; }
  .video-grid[data-view="list"] .video-card { grid-template-columns:110px minmax(0,1fr); }
  .video-grid[data-view="list"] .card-body { padding:.7rem; }
  .video-grid[data-view="list"] .video-url { font-size:.78rem; }
  .video-grid[data-view="list"] .view-badge { left:.35rem; right:.35rem; max-width:calc(100% - .7rem); flex-wrap:wrap; row-gap:.2rem; border-radius:10px; }
  .video-grid[data-view="list"] .view-age { flex-basis:100%; white-space:normal; }
  .user-card,.inspection-head { align-items:stretch; flex-direction:column; }
  .user-actions > * { flex:1; justify-content:center; min-height:38px; }
}