/* ============ Better YouTube — Design System ============ */
:root{
  --accent:#ff2e4d; --accent-hover:#ff4d66; --accent-soft:rgba(255,46,77,.12);
  --bg:#0f0f11; --bg-2:#16161a; --bg-3:#1e1e24; --bg-4:#26262e;
  --surface:#141418; --card:#17171c;
  --text:#f4f4f6; --text-2:#a9a9b3; --text-3:#6f6f7a;
  --border:#2a2a33; --border-2:#3a3a46;
  --hover:rgba(255,255,255,.07); --active:rgba(255,255,255,.12);
  --shadow:0 8px 30px rgba(0,0,0,.45);
  --radius:14px; --radius-s:9px;
  --header-h:58px; --sidebar-w:236px; --sidebar-w-m:72px;
  --success:#2ecc71; --danger:#ff5252; --gold:#ffd166;
  --chip:#232329;
  font-size:15px;
}
[data-theme="light"]{
  --bg:#fafafa; --bg-2:#f0f0f2; --bg-3:#e7e7eb; --bg-4:#dedee4;
  --surface:#ffffff; --card:#ffffff;
  --text:#131318; --text-2:#55555f; --text-3:#8a8a94;
  --border:#e2e2e8; --border-2:#cfcfd8;
  --hover:rgba(0,0,0,.05); --active:rgba(0,0,0,.09);
  --shadow:0 8px 30px rgba(0,0,0,.12);
  --chip:#eeeeF2;
  --accent-soft:rgba(255,46,77,.09);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scrollbar-color:var(--border-2) transparent}
body{font-family:"Segoe UI",Roboto,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:var(--border-2);border-radius:6px;border:2px solid transparent;background-clip:content-box}
::-webkit-scrollbar-track{background:transparent}
a{color:inherit;text-decoration:none}
button{font-family:inherit;color:inherit;background:none;border:none;cursor:pointer}
input,textarea,select{font-family:inherit;color:var(--text);background:var(--bg-3);border:1px solid var(--border);border-radius:var(--radius-s);outline:none}
input:focus,textarea:focus,select:focus{border-color:var(--accent)}
img{display:block}
[hidden]{display:none!important}

/* ---------- boot ---------- */
.boot-splash{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:var(--bg)}
.boot-logo{display:flex;align-items:center;gap:10px;font-size:26px;font-weight:300;letter-spacing:-.5px;animation:pulse 1.2s ease-in-out infinite}
.boot-logo b{font-weight:700}
@keyframes pulse{50%{opacity:.55}}

/* ---------- logo / icons ---------- */
.logo{display:flex;align-items:center;gap:8px;font-size:17px;font-weight:300;letter-spacing:-.3px;white-space:nowrap;user-select:none;cursor:pointer}
.logo b{font-weight:700}
.logo-mark{width:30px;height:22px;border-radius:6px;background:linear-gradient(135deg,var(--accent),#b3122f);position:relative;flex:none;box-shadow:0 2px 8px rgba(255,46,77,.35)}
.logo-mark::after{content:"";position:absolute;left:10px;top:5px;border-left:9px solid #fff;border-top:6px solid transparent;border-bottom:6px solid transparent}
.icon{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
.icon.fill{fill:currentColor;stroke:none}

/* ---------- header ---------- */
.header{position:fixed;top:0;left:0;right:0;height:var(--header-h);z-index:200;display:flex;align-items:center;gap:6px;
  padding:0 14px;background:var(--bg);border-bottom:1px solid transparent}
.header.scrolled{border-bottom-color:var(--border)}
.hbtn{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;position:relative;transition:background .15s}
.hbtn:hover{background:var(--hover)} .hbtn:active{background:var(--active)}
.hbtn .badge{position:absolute;top:3px;right:1px;min-width:16px;height:16px;border-radius:9px;background:var(--accent);
  color:#fff;font-size:10px;font-weight:600;display:flex;align-items:center;justify-content:center;padding:0 4px}
.header-left{display:flex;align-items:center;gap:8px}
.header-center{flex:1;display:flex;justify-content:center;gap:8px;min-width:0}
.header-right{display:flex;align-items:center;gap:6px}

.searchbar{display:flex;align-items:center;width:min(560px,52vw);height:40px}
.searchbar input{flex:1;height:100%;padding:0 16px;border-radius:22px 0 0 22px;background:var(--bg-2);border:1px solid var(--border);border-right:none;font-size:15px}
.searchbar input:focus{border-color:var(--border-2);background:var(--surface)}
.search-go{width:58px;height:100%;border-radius:0 22px 22px 0;background:var(--bg-3);border:1px solid var(--border);display:flex;align-items:center;justify-content:center}
.search-go:hover{background:var(--bg-4)}
.mic-btn{width:40px;height:40px;border-radius:50%;background:var(--bg-3);display:flex;align-items:center;justify-content:center}
.mic-btn:hover{background:var(--bg-4)}
.mic-btn.recording{background:var(--accent);color:#fff;animation:pulse 1s infinite}
.suggest-box{position:absolute;top:46px;left:0;right:58px;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);overflow:hidden;z-index:300}
.suggest-item{display:flex;gap:10px;align-items:center;padding:10px 16px;cursor:pointer;font-size:14px}
.suggest-item:hover{background:var(--hover)}

.pill-btn{display:flex;align-items:center;gap:7px;height:36px;padding:0 14px;border-radius:19px;background:var(--bg-3);font-size:14px;font-weight:500;transition:background .15s;white-space:nowrap}
.pill-btn:hover{background:var(--bg-4)}
.pill-btn.primary{background:var(--accent);color:#fff}
.pill-btn.primary:hover{background:var(--accent-hover)}
.pill-btn.ghost{background:transparent;border:1px solid var(--border-2)}
.pill-btn.ghost:hover{background:var(--hover)}
.pill-btn.subscribed{background:var(--bg-3);color:var(--text-2)}

.avatar{border-radius:50%;object-fit:cover;background:var(--bg-4);flex:none}
.avatar-btn{width:34px;height:34px;border-radius:50%;overflow:hidden;margin:0 4px;border:2px solid transparent;transition:border-color .15s}
.avatar-btn:hover{border-color:var(--border-2)}
.avatar-btn img{width:100%;height:100%;object-fit:cover}

/* dropdowns */
.dropdown{position:absolute;top:48px;right:0;width:340px;max-height:min(70vh,640px);overflow-y:auto;background:var(--surface);
  border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);z-index:400;animation:pop .16s ease}
.dropdown.wide{width:400px}
@keyframes pop{from{opacity:0;transform:translateY(-6px) scale(.98)}}
.dd-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border);font-weight:600}
.dd-item{display:flex;gap:12px;padding:11px 16px;cursor:pointer;align-items:center;transition:background .12s}
.dd-item:hover{background:var(--hover)}
.dd-item .icon{width:20px;height:20px;color:var(--text-2)}
.dd-item small{color:var(--text-2)}
.dd-item.unread{background:var(--accent-soft)}
.dd-item.unread:hover{background:rgba(255,46,77,.18)}
.dd-divider{height:1px;background:var(--border);margin:4px 0}
.dd-empty{padding:28px;text-align:center;color:var(--text-3);font-size:14px}
.dd-profile{padding:16px;display:flex;gap:14px;align-items:center;border-bottom:1px solid var(--border)}
.dd-profile .name{font-weight:600;font-size:15px}
.dd-profile .handle{color:var(--text-2);font-size:13px}
.notif-thumb{width:88px;height:50px;border-radius:8px;object-fit:cover;flex:none}

/* ---------- layout ---------- */
.layout{display:flex;padding-top:var(--header-h);min-height:100vh}

/* ---------- sidebar ---------- */
.sidebar{position:fixed;top:var(--header-h);left:0;bottom:0;width:var(--sidebar-w);overflow-y:auto;overflow-x:hidden;
  background:var(--bg);padding:8px 10px 24px;z-index:150;transition:width .2s ease, transform .25s ease}
.sidebar::-webkit-scrollbar{width:0}
.sidebar:hover::-webkit-scrollbar{width:8px}
.side-section{padding:8px 0;border-bottom:1px solid var(--border)}
.side-section:last-child{border:none}
.side-title{padding:8px 14px 4px;font-size:13px;font-weight:600;color:var(--text-2);text-transform:uppercase;letter-spacing:.4px;white-space:nowrap;overflow:hidden}
.side-item{display:flex;align-items:center;gap:20px;padding:9px 14px;border-radius:10px;font-size:14px;white-space:nowrap;cursor:pointer;transition:background .12s;touch-action:manipulation;-webkit-tap-highlight-color:transparent;position:relative;z-index:5}
.side-item:hover{background:var(--hover)}
.side-item:active{background:var(--active)}
.side-item.active{background:var(--active);font-weight:600}
.side-item .icon{width:21px;height:21px;flex:none;pointer-events:none}
.side-item img{width:24px;height:24px;border-radius:50%;pointer-events:none}
.side-item span.lbl{pointer-events:none}
.side-sub-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);margin-left:auto}
.sidebar.mini{width:var(--sidebar-w-m);padding:8px 6px}
.sidebar.mini .side-item{flex-direction:column;gap:5px;padding:10px 2px;font-size:9.5px;justify-content:center}
.sidebar.mini .side-title,.sidebar.mini .side-section.hide-mini{display:none}
.sidebar.mini .side-item span.lbl{white-space:normal;text-align:center;line-height:1.2}

/* mobile drawer */
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:180;opacity:0;pointer-events:none;transition:opacity .25s}
.scrim.show{opacity:1;pointer-events:auto}
@media(max-width:900px){
  .sidebar{width:var(--sidebar-w);transform:translateX(-105%);background:var(--surface);box-shadow:var(--shadow);z-index:190}
  .sidebar.open{transform:translateX(0)}
  .sidebar.mini{width:var(--sidebar-w)}
  .sidebar.mini .side-item{flex-direction:row;gap:20px;padding:9px 14px;font-size:14px}
  .sidebar.mini .side-title{display:block}
  .sidebar.mini .side-section.hide-mini{display:block}
}

/* ---------- main content ---------- */
.main{flex:1;min-width:0;margin-left:var(--sidebar-w);transition:margin .2s ease;padding:0 20px 60px}
.main.mini{margin-left:var(--sidebar-w-m)}
@media(max-width:900px){.main{margin-left:0;padding:0 12px 90px}}

/* category chips */
.chips-row{position:sticky;top:var(--header-h);z-index:100;display:flex;gap:10px;padding:12px 0;overflow-x:auto;background:var(--bg);scrollbar-width:none}
.chips-row::-webkit-scrollbar{display:none}
.chip{flex:none;padding:7px 14px;border-radius:9px;background:var(--chip);font-size:13.5px;font-weight:500;cursor:pointer;transition:all .15s;white-space:nowrap}
.chip:hover{background:var(--bg-4)}
.chip.active{background:var(--text);color:var(--bg);font-weight:600}
[data-theme="light"] .chip.active{background:#131318;color:#fff}

/* ---------- video cards ---------- */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px 14px;padding-top:6px}
@media(max-width:640px){.video-grid{grid-template-columns:1fr;gap:22px 0}}
.vcard{cursor:pointer;animation:fadeUp .35s ease backwards}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}}
.vcard .thumb-wrap{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:16/9;background:var(--bg-3)}
.vcard .thumb-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease, border-radius .2s}
.vcard:hover .thumb-wrap img{transform:scale(1.03)}
.vcard .duration{position:absolute;bottom:7px;right:7px;background:rgba(0,0,0,.82);color:#fff;font-size:12px;font-weight:600;padding:2px 6px;border-radius:5px}
.vcard .live-badge{position:absolute;bottom:7px;right:7px;background:var(--accent);color:#fff;font-size:11px;font-weight:700;padding:3px 8px;border-radius:5px;letter-spacing:.5px}
.vcard .progress-line{position:absolute;bottom:0;left:0;height:3px;background:var(--accent);z-index:2}
.vcard .info{display:flex;gap:11px;padding-top:11px}
.vcard .info .avatar{width:36px;height:36px}
.vcard .meta{flex:1;min-width:0}
.vcard .title{font-size:14.5px;font-weight:550;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.vcard .ch-name,.vcard .stats{font-size:12.5px;color:var(--text-2);margin-top:3px;display:flex;align-items:center;gap:4px}
.vcard .ch-name:hover{color:var(--text)}
.vcard .verify{width:13px;height:13px;color:var(--text-2)}
.card-menu-btn{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .15s,background .15s;flex:none}
.vcard:hover .card-menu-btn{opacity:1}
.card-menu-btn:hover{background:var(--hover)}
@media(max-width:640px){.card-menu-btn{opacity:1}}

/* list card (search/history) */
.vlist-card{display:flex;gap:16px;cursor:pointer;padding:10px 0;animation:fadeUp .3s ease backwards}
.vlist-card .thumb-wrap{position:relative;width:min(400px,42vw);flex:none;border-radius:var(--radius);overflow:hidden;aspect-ratio:16/9;background:var(--bg-3)}
.vlist-card .thumb-wrap img{width:100%;height:100%;object-fit:cover}
.vlist-card .duration{position:absolute;bottom:7px;right:7px;background:rgba(0,0,0,.82);color:#fff;font-size:12px;font-weight:600;padding:2px 6px;border-radius:5px}
.vlist-card .meta{flex:1;min-width:0;padding-top:4px}
.vlist-card .title{font-size:17px;font-weight:550;line-height:1.4;word-break:break-word}
.vlist-card .stats{font-size:12.5px;color:var(--text-2);margin:6px 0}
.vlist-card .ch-line{display:flex;align-items:center;gap:8px;margin:8px 0;font-size:13px;color:var(--text-2)}
.vlist-card .desc{font-size:12.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-top:6px}
/* sidebar-variant on watch page: compact horizontal cards */
.watch-side{display:flex;flex-direction:column;gap:4px;min-width:0}
.watch-side .vlist-card{gap:10px;padding:4px 0;align-items:flex-start}
.watch-side .vlist-card .thumb-wrap{width:168px;flex:none;border-radius:10px}
.watch-side .vlist-card .title{font-size:13.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.watch-side .vlist-card .stats{font-size:11.5px;margin:4px 0 0}
.watch-side .vlist-card .ch-line{font-size:11.5px;margin:4px 0 0}
.watch-side .vlist-card .desc{display:none}
.watch-side .vlist-card .ch-line .avatar{width:18px;height:18px}
.watch-side .live-chat{flex:none}
@media(max-width:700px){.vlist-card{flex-direction:column;gap:8px}.vlist-card .thumb-wrap{width:100%}.watch-side .vlist-card{flex-direction:row}.watch-side .vlist-card .thumb-wrap{width:140px}}

/* shorts row */
.shorts-shelf{margin:26px 0 10px}
.shelf-title{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:14px}
.shelf-title .logo-mark{width:22px;height:16px;border-radius:4px}
.shelf-title .logo-mark::after{left:7px;top:3px;border-left-width:7px;border-top-width:5px;border-bottom-width:5px}
.shorts-row{display:grid;grid-auto-flow:column;grid-auto-columns:172px;gap:12px;overflow-x:auto;padding-bottom:8px;scrollbar-width:none}
.shorts-row::-webkit-scrollbar{display:none}
.short-card{cursor:pointer}
.short-card .thumb-wrap{position:relative;border-radius:12px;overflow:hidden;aspect-ratio:9/16;background:var(--bg-3)}
.short-card img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.short-card:hover img{transform:scale(1.05)}
.short-card .title{font-size:13.5px;font-weight:550;margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.short-card .stats{font-size:12px;color:var(--text-2);margin-top:2px}

/* ---------- watch page ---------- */
.watch-layout{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:22px;padding-top:18px;max-width:1750px;margin:0 auto}
@media(max-width:1100px){.watch-layout{grid-template-columns:1fr}}
.player-wrap{position:relative;border-radius:var(--radius);overflow:hidden;background:#000;aspect-ratio:16/9}
.player-wrap.live-16x9{aspect-ratio:16/9}
.player-wrap video{width:100%;height:100%;display:block;background:#000}
.player-wrap.theater{grid-column:1/-1;aspect-ratio:21/9;max-height:78vh}

/* custom controls */
.pc{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
  background:linear-gradient(transparent 62%,rgba(0,0,0,.78));opacity:0;transition:opacity .2s;color:#fff}
.player-wrap:hover .pc,.pc.force{opacity:1}
.pc-top{position:absolute;top:0;left:0;right:0;padding:12px 16px;display:flex;justify-content:space-between;align-items:center;
  background:linear-gradient(rgba(0,0,0,.6),transparent)}
.pc-top .live-tag{background:var(--accent);padding:3px 10px;border-radius:5px;font-size:12px;font-weight:700;letter-spacing:.6px}
.pc-progress{position:relative;height:16px;margin:0 14px;display:flex;align-items:center;cursor:pointer}
.pc-progress .track{position:relative;width:100%;height:4px;background:rgba(255,255,255,.28);border-radius:3px;transition:height .12s}
.pc-progress:hover .track{height:6px}
.pc-progress .buf{position:absolute;left:0;top:0;bottom:0;background:rgba(255,255,255,.35);border-radius:3px}
.pc-progress .fill{position:absolute;left:0;top:0;bottom:0;background:var(--accent);border-radius:3px}
.pc-progress .knob{position:absolute;width:13px;height:13px;border-radius:50%;background:var(--accent);transform:translateX(-50%) scale(0);transition:transform .12s}
.pc-progress:hover .knob{transform:translateX(-50%) scale(1)}
.pc-progress .chapter-mark{position:absolute;top:0;bottom:0;width:2px;background:rgba(0,0,0,.7);z-index:2}
.pc-tooltip{position:absolute;bottom:22px;transform:translateX(-50%);background:rgba(0,0,0,.85);padding:3px 8px;border-radius:5px;font-size:12px;pointer-events:none;white-space:nowrap}
.pc-row{display:flex;align-items:center;gap:4px;padding:6px 12px 10px}
.pc-btn{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;transition:background .12s}
.pc-btn:hover{background:rgba(255,255,255,.15)}
.pc-btn .icon{width:21px;height:21px}
.pc-time{font-size:12.5px;padding:0 8px;white-space:nowrap;font-variant-numeric:tabular-nums}
.pc-vol{display:flex;align-items:center}
.pc-vol input[type=range]{width:0;opacity:0;transition:width .2s,opacity .2s;accent-color:#fff;background:transparent;border:none;height:4px}
.pc-vol:hover input[type=range]{width:72px;opacity:1;margin-right:6px}
.pc-spacer{flex:1}
.pc-center{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none}
.pc-center .big-play{width:76px;height:76px;border-radius:50%;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;pointer-events:auto;cursor:pointer;backdrop-filter:blur(4px)}
.pc-center .big-play:hover{background:var(--accent)}
.pc-center .icon{width:34px;height:34px;color:#fff}

/* settings menu inside player */
.pc-menu{position:absolute;right:14px;bottom:64px;background:rgba(18,18,22,.97);border-radius:12px;min-width:230px;padding:8px 0;z-index:50;box-shadow:0 8px 28px rgba(0,0,0,.6);animation:pop .15s ease}
.pc-menu .mi{display:flex;align-items:center;gap:12px;padding:9px 16px;font-size:13.5px;cursor:pointer;color:#fff}
.pc-menu .mi:hover{background:rgba(255,255,255,.1)}
.pc-menu .mi .val{margin-left:auto;color:#aaa;font-size:12.5px;display:flex;align-items:center;gap:6px}
.pc-menu .back{display:flex;align-items:center;gap:10px;padding:9px 16px;font-size:13.5px;font-weight:600;cursor:pointer;color:#fff;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:4px}
.pc-menu .opt{display:flex;align-items:center;gap:12px;padding:8px 18px;font-size:13.5px;cursor:pointer;color:#ddd}
.pc-menu .opt:hover{background:rgba(255,255,255,.1)}
.pc-menu .opt.sel{color:#fff;font-weight:600}
.pc-menu .opt .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);opacity:0}
.pc-menu .opt.sel .dot{opacity:1}

.watch-info{padding-top:14px}
.watch-title{font-size:19px;font-weight:650;line-height:1.35}
.watch-meta-row{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-top:12px;flex-wrap:wrap}
.watch-channel{display:flex;align-items:center;gap:12px;min-width:0}
.watch-channel .avatar{width:42px;height:42px}
.watch-channel .name{font-weight:600;font-size:15px;display:flex;align-items:center;gap:5px}
.watch-channel .subs{font-size:12.5px;color:var(--text-2)}
.watch-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.like-group{display:flex;align-items:center;background:var(--bg-3);border-radius:19px;overflow:hidden;height:38px}
.like-group button{display:flex;align-items:center;gap:7px;height:100%;padding:0 14px;font-size:13.5px;font-weight:600;transition:background .12s}
.like-group button:hover{background:var(--hover)}
.like-group button.on{color:var(--accent)}
.like-group .sep{width:1px;height:22px;background:var(--border-2)}
.action-chip{display:flex;align-items:center;gap:7px;height:38px;padding:0 15px;border-radius:19px;background:var(--bg-3);font-size:13.5px;font-weight:600;transition:background .12s;white-space:nowrap}
.action-chip:hover{background:var(--bg-4)}
.action-chip .icon{width:19px;height:19px}

.desc-box{background:var(--bg-2);border-radius:var(--radius);padding:13px 15px;margin-top:16px;font-size:13.5px;line-height:1.55;cursor:pointer}
.desc-box .stats-line{font-weight:600;margin-bottom:6px}
.desc-box .body{white-space:pre-wrap;word-break:break-word}
.desc-box.collapsed .body{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.desc-box .more-toggle{font-weight:600;margin-top:6px;display:inline-block}
.chapter-pill{display:inline-block;background:var(--bg-3);border-radius:7px;padding:2px 8px;margin:2px 4px 2px 0;font-size:12.5px;cursor:pointer}
.chapter-pill:hover{background:var(--bg-4)}
.hashtag{color:#6ea8ff;font-weight:500}
.chapters-strip{display:flex;gap:8px;overflow-x:auto;margin-top:14px;padding-bottom:4px}
.chapters-strip .cp{flex:none;width:150px;cursor:pointer}
.chapters-strip .cp img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:8px}
.chapters-strip .cp .t{font-size:12px;margin-top:4px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chapters-strip .cp .ts{font-size:11px;color:var(--text-2)}

/* comments */
.comments-section{margin-top:26px}
.comments-head{display:flex;align-items:center;gap:22px;font-size:16px;font-weight:700}
.sort-btn{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--text-2);cursor:pointer;padding:6px 0}
.comment-form{display:flex;gap:13px;margin-top:20px}
.comment-form .avatar{width:40px;height:40px}
.comment-input-wrap{flex:1}
.comment-input-wrap textarea{width:100%;background:transparent;border:none;border-bottom:1px solid var(--border-2);border-radius:0;padding:6px 2px;font-size:14px;resize:none}
.comment-input-wrap textarea:focus{border-bottom-color:var(--text)}
.comment-form-actions{display:none;justify-content:flex-end;gap:8px;margin-top:8px}
.comment-form-actions.show{display:flex}
.comment{display:flex;gap:13px;margin-top:22px;animation:fadeUp .25s ease}
.comment .avatar{width:40px;height:40px}
.comment .c-body{flex:1;min-width:0}
.comment .c-head{font-size:12.5px;color:var(--text-2);display:flex;align-items:center;gap:6px}
.comment .c-head .cname{color:var(--text);font-weight:600;font-size:12.5px}
.comment .c-head .pin-badge,.comment .c-head .heart-badge{display:inline-flex;align-items:center;gap:4px;color:var(--text-2)}
.comment .c-head .heart-badge{color:var(--accent)}
.comment .c-text{font-size:13.5px;line-height:1.5;margin-top:3px;white-space:pre-wrap;word-break:break-word}
.comment .c-actions{display:flex;align-items:center;gap:2px;margin-top:5px;margin-left:-8px}
.cact{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--text-2);padding:5px 8px;border-radius:14px;font-weight:500}
.cact:hover{background:var(--hover)}
.cact.on{color:var(--accent)}
.cact .icon{width:16px;height:16px}
.comment .reply-form{margin-top:10px}
.replies-toggle{color:#6ea8ff;font-size:13px;font-weight:600;display:flex;align-items:center;gap:6px;padding:6px 0;cursor:pointer}
.replies-list{margin-left:0;padding-left:0}
.replies-list .comment .avatar{width:26px;height:26px}
.comment.pinned-box{background:var(--bg-2);border-radius:12px;padding:12px}
.comment .menu-wrap{position:relative;margin-left:auto}

/* context menu */
.ctx-menu{position:fixed;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);min-width:210px;padding:6px 0;z-index:600;animation:pop .13s ease}
.ctx-menu .mi{display:flex;align-items:center;gap:12px;padding:9px 16px;font-size:13.5px;cursor:pointer}
.ctx-menu .mi:hover{background:var(--hover)}
.ctx-menu .mi.danger{color:var(--danger)}
.ctx-menu .mi .icon{width:18px;height:18px;color:var(--text-2)}
.ctx-menu .mi.danger .icon{color:var(--danger)}

/* modal */
.modal-scrim{position:fixed;inset:0;background:rgba(0,0,0,.62);z-index:700;display:flex;align-items:center;justify-content:center;animation:fade .15s ease;padding:16px}
@keyframes fade{from{opacity:0}}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:16px;width:min(480px,94vw);max-height:88vh;overflow-y:auto;box-shadow:var(--shadow);animation:pop .18s ease}
.modal.wide{width:min(860px,95vw)}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border);font-size:16px;font-weight:650;position:sticky;top:0;background:var(--surface);z-index:2}
.modal-body{padding:20px}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;padding:14px 20px;border-top:1px solid var(--border)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--text-2)}
.field input,.field textarea,.field select{width:100%;padding:10px 12px;font-size:14px;background:var(--bg-2)}
.field textarea{min-height:90px;resize:vertical}
.field .hint{font-size:11.5px;color:var(--text-3);margin-top:4px}
.radio-row{display:flex;align-items:center;gap:10px;padding:9px 0;cursor:pointer;font-size:14px}
.radio-row input{width:auto;accent-color:var(--accent)}
.check-row{display:flex;align-items:center;gap:10px;padding:7px 0;cursor:pointer;font-size:14px}
.check-row input{width:auto;accent-color:var(--accent)}

/* toggle switch */
.switch{position:relative;width:38px;height:21px;flex:none;cursor:pointer}
.switch input{opacity:0;width:0;height:0;position:absolute}
.switch .sl{position:absolute;inset:0;border-radius:12px;background:var(--bg-4);transition:background .18s}
.switch .sl::after{content:"";position:absolute;left:3px;top:3px;width:15px;height:15px;border-radius:50%;background:#fff;transition:transform .18s}
.switch input:checked+.sl{background:var(--accent)}
.switch input:checked+.sl::after{transform:translateX(17px)}
.setting-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid var(--border)}
.setting-row .sr-label{font-size:14.5px;font-weight:550}
.setting-row .sr-desc{font-size:12.5px;color:var(--text-2);margin-top:2px}

/* ---------- shorts page ---------- */
.shorts-viewer{position:fixed;inset:0;top:var(--header-h);display:flex;align-items:center;justify-content:center;gap:18px;background:var(--bg);z-index:120}
.shorts-track{height:100%;overflow-y:auto;scroll-snap-type:y mandatory;scrollbar-width:none;position:relative}
.shorts-track::-webkit-scrollbar{display:none}
.short-slide{height:100%;scroll-snap-align:start;scroll-snap-stop:always;display:flex;align-items:center;justify-content:center;padding:6px 0}
.short-frame{position:relative;height:calc(100% - 12px);aspect-ratio:9/16;max-width:92vw;border-radius:16px;overflow:hidden;background:#000;box-shadow:var(--shadow)}
.short-frame video{width:100%;height:100%;object-fit:contain;background:#000}
.short-overlay{position:absolute;left:0;right:0;bottom:0;padding:14px;background:linear-gradient(transparent,rgba(0,0,0,.75));color:#fff}
.short-overlay .s-ch{display:flex;align-items:center;gap:9px;margin-bottom:9px}
.short-overlay .s-ch .avatar{width:33px;height:33px}
.short-overlay .s-ch .nm{font-weight:600;font-size:13.5px}
.short-overlay .s-title{font-size:13.5px;line-height:1.4}
.short-actions{display:flex;flex-direction:column;gap:14px;align-items:center;padding-bottom:10px}
.short-act{display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--text)}
.short-act .bubble{width:48px;height:48px;border-radius:50%;background:var(--bg-3);display:flex;align-items:center;justify-content:center;transition:transform .12s,background .15s}
.short-act .bubble:hover{background:var(--bg-4)}
.short-act .bubble:active{transform:scale(.88)}
.short-act.on .bubble{background:var(--accent);color:#fff}
.short-act .cnt{font-size:12px;font-weight:600}
.shorts-close{position:fixed;top:14px;left:16px;z-index:130}
@media(max-width:700px){
  .shorts-viewer{top:0}
  .short-actions{position:absolute;right:8px;bottom:90px}
  .short-frame{height:100%;max-height:100%;border-radius:0;width:100vw;aspect-ratio:auto}
  .short-slide{padding:0}
}
.short-progress{position:absolute;top:0;left:0;height:3px;background:rgba(255,255,255,.25);width:100%;z-index:5}
.short-progress i{display:block;height:100%;background:var(--accent)}

/* ---------- channel page ---------- */
.ch-banner{width:100%;aspect-ratio:6.2/1;max-height:250px;border-radius:var(--radius);object-fit:cover;background:var(--bg-3)}
.ch-head{display:flex;gap:22px;padding:26px 0 18px;align-items:center;flex-wrap:wrap}
.ch-head .avatar{width:140px;height:140px;border:3px solid var(--bg)}
@media(max-width:700px){.ch-head .avatar{width:90px;height:90px}}
.ch-meta{flex:1;min-width:240px}
.ch-meta h1{font-size:27px;font-weight:700;display:flex;align-items:center;gap:8px}
.ch-meta .handle-line{color:var(--text-2);font-size:13.5px;margin-top:4px}
.ch-meta .desc-line{color:var(--text-2);font-size:13.5px;margin-top:8px;max-width:640px;cursor:pointer}
.ch-meta .desc-line:hover{color:var(--text)}
.ch-actions{display:flex;gap:9px;margin-top:14px;flex-wrap:wrap}
.ch-links{display:flex;gap:14px;margin-top:8px;flex-wrap:wrap}
.ch-links a{color:#6ea8ff;font-size:13px;font-weight:500}
.tabs-row{display:flex;gap:2px;border-bottom:1px solid var(--border);position:sticky;top:var(--header-h);background:var(--bg);z-index:90;overflow-x:auto;scrollbar-width:none}
.tabs-row::-webkit-scrollbar{display:none}
.tab{padding:13px 18px;font-size:14px;font-weight:550;color:var(--text-2);cursor:pointer;position:relative;white-space:nowrap}
.tab:hover{color:var(--text)}
.tab.active{color:var(--text);font-weight:650}
.tab.active::after{content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:3px;border-radius:2px;background:var(--text)}
[data-theme="light"] .tab.active::after{background:#131318}

/* ---------- studio ---------- */
.studio-layout{display:grid;grid-template-columns:210px 1fr;gap:0;min-height:calc(100vh - var(--header-h))}
.studio-nav{border-right:1px solid var(--border);padding:18px 10px}
.studio-nav .side-item{gap:14px;padding:10px 12px;font-size:13.5px}
.studio-content{padding:26px;min-width:0}
@media(max-width:800px){.studio-layout{grid-template-columns:1fr}.studio-nav{display:flex;overflow-x:auto;border-right:none;border-bottom:1px solid var(--border);padding:8px}}
.stat-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:24px}
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.stat-card .sc-label{font-size:12.5px;color:var(--text-2);font-weight:600;text-transform:uppercase;letter-spacing:.4px}
.stat-card .sc-value{font-size:26px;font-weight:700;margin-top:6px;font-variant-numeric:tabular-nums}
.stat-card .sc-sub{font-size:12px;color:var(--success);margin-top:4px}
.data-table{width:100%;border-collapse:collapse;font-size:13.5px}
.data-table th{text-align:left;padding:10px 12px;color:var(--text-2);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px;border-bottom:1px solid var(--border)}
.data-table td{padding:11px 12px;border-bottom:1px solid var(--border);vertical-align:middle}
.data-table tr:hover td{background:var(--hover)}
.data-table .vcell{display:flex;align-items:center;gap:11px;min-width:200px}
.data-table .vcell img{width:76px;height:43px;border-radius:7px;object-fit:cover;flex:none}
.badge{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:600;padding:3px 9px;border-radius:20px;background:var(--bg-3)}
.badge.green{background:rgba(46,204,113,.15);color:var(--success)}
.badge.red{background:rgba(255,82,82,.15);color:var(--danger)}
.badge.gold{background:rgba(255,209,102,.15);color:var(--gold)}
canvas.chart{width:100%;height:260px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius)}

/* ---------- auth ---------- */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:
  radial-gradient(1000px 500px at 80% -10%,rgba(255,46,77,.12),transparent),var(--bg)}
.auth-card{width:min(400px,94vw);background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:34px;box-shadow:var(--shadow)}
.auth-card .logo{justify-content:center;font-size:20px;margin-bottom:26px}
.auth-card h1{font-size:21px;font-weight:650;text-align:center;margin-bottom:6px}
.auth-card .sub{text-align:center;color:var(--text-2);font-size:13.5px;margin-bottom:24px}
.auth-err{background:rgba(255,82,82,.12);color:var(--danger);border:1px solid rgba(255,82,82,.3);border-radius:9px;padding:10px 13px;font-size:13px;margin-bottom:14px}
.auth-switch{text-align:center;margin-top:18px;font-size:13.5px;color:var(--text-2)}
.auth-switch a{color:var(--accent);font-weight:600;cursor:pointer}
.auth-hint{margin-top:16px;padding:11px;background:var(--bg-2);border-radius:9px;font-size:12px;color:var(--text-2);line-height:1.5}

/* ---------- upload ---------- */
.upload-drop{border:2px dashed var(--border-2);border-radius:18px;padding:60px 30px;text-align:center;cursor:pointer;transition:all .2s;background:var(--bg-2)}
.upload-drop:hover,.upload-drop.drag{border-color:var(--accent);background:var(--accent-soft)}
.upload-drop .icon{width:56px;height:56px;color:var(--text-3);margin:0 auto 14px}
.upload-steps{display:flex;gap:8px;margin-bottom:26px}
.ustep{flex:1;text-align:center;font-size:12.5px;color:var(--text-3);padding-bottom:10px;border-bottom:3px solid var(--border);font-weight:600}
.ustep.on{color:var(--accent);border-color:var(--accent)}
.ustep.done{color:var(--success);border-color:var(--success)}
.progressbar{height:6px;background:var(--bg-3);border-radius:4px;overflow:hidden;margin-top:10px}
.progressbar i{display:block;height:100%;background:var(--accent);border-radius:4px;transition:width .2s}
.thumb-pick{display:flex;gap:10px;flex-wrap:wrap}
.thumb-pick .tp{width:140px;aspect-ratio:16/9;border-radius:9px;overflow:hidden;cursor:pointer;border:2px solid transparent;position:relative;background:var(--bg-3)}
.thumb-pick .tp.sel{border-color:var(--accent)}
.thumb-pick .tp img{width:100%;height:100%;object-fit:cover}

/* ---------- misc ---------- */
.page-title{font-size:23px;font-weight:700;padding:20px 0 6px;display:flex;align-items:center;gap:12px}
.section-label{font-size:15px;font-weight:650;color:var(--text-2);margin:26px 0 12px;text-transform:uppercase;letter-spacing:.5px;font-size:12.5px}
.empty-state{text-align:center;padding:70px 20px;color:var(--text-2)}
.empty-state .icon{width:60px;height:60px;margin:0 auto 16px;color:var(--text-3)}
.empty-state h3{font-size:17px;color:var(--text);margin-bottom:6px}
.empty-state p{font-size:13.5px}
.grid-2{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.pl-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:transform .15s}
.pl-card:hover{transform:translateY(-3px)}
.pl-card .pl-thumb{position:relative;aspect-ratio:16/9;background:var(--bg-3)}
.pl-card .pl-thumb img{width:100%;height:100%;object-fit:cover}
.pl-card .pl-count{position:absolute;right:0;bottom:0;top:0;width:42%;background:rgba(10,10,14,.75);backdrop-filter:blur(3px);display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;font-weight:600;gap:5px}
.pl-card .pl-body{padding:12px 14px}
.pl-card .pl-title{font-weight:600;font-size:14.5px}
.pl-card .pl-meta{font-size:12.5px;color:var(--text-2);margin-top:4px}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:#232328;color:#fff;
  padding:12px 20px;border-radius:11px;font-size:13.5px;z-index:900;opacity:0;transition:all .25s ease;box-shadow:0 6px 24px rgba(0,0,0,.4);display:flex;gap:10px;align-items:center;max-width:90vw}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast .icon{width:18px;height:18px;color:var(--success)}
.skeleton{background:var(--bg-3);border-radius:var(--radius);aspect-ratio:16/9;animation:pulse 1.4s infinite}
.settings-layout{display:grid;grid-template-columns:230px 1fr;gap:30px;max-width:1100px}
@media(max-width:800px){.settings-layout{grid-template-columns:1fr}}
.settings-nav{position:sticky;top:calc(var(--header-h) + 20px);align-self:start}
.settings-nav .side-item{font-size:13.5px;padding:10px 12px;gap:12px}
.banner-announce{background:linear-gradient(90deg,var(--accent-soft),transparent);border:1px solid rgba(255,46,77,.25);
  border-radius:12px;padding:11px 16px;margin:14px 0 4px;font-size:13.5px;display:flex;align-items:flex-start;gap:10px;
  overflow-wrap:anywhere;line-height:1.5}
.banner-announce .icon{flex:none;margin-top:1px}
.bell-menu{position:absolute;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);min-width:220px;padding:6px 0;z-index:500;animation:pop .13s}
.bell-menu .mi{display:flex;gap:11px;align-items:center;padding:9px 16px;font-size:13.5px;cursor:pointer}
.bell-menu .mi:hover{background:var(--hover)}
.bell-menu .mi.sel{font-weight:650;color:var(--accent)}
.seg{display:inline-flex;background:var(--bg-3);border-radius:10px;padding:3px;gap:2px}
.seg button{padding:7px 14px;border-radius:8px;font-size:13px;font-weight:600;color:var(--text-2)}
.seg button.on{background:var(--bg);color:var(--text);box-shadow:0 1px 4px rgba(0,0,0,.25)}
[data-theme="light"] .seg button.on{background:#fff}

/* mini player */
.mini-player{position:fixed;right:18px;bottom:18px;width:380px;max-width:88vw;background:#000;border-radius:14px;overflow:hidden;z-index:500;box-shadow:0 14px 44px rgba(0,0,0,.55);animation:pop .2s ease}
.mini-player video{width:100%;aspect-ratio:16/9;display:block}
.mini-player .mp-bar{position:absolute;left:0;bottom:0;height:3px;background:var(--accent)}
.mini-player .mp-title{position:absolute;top:0;left:0;right:0;padding:8px 12px;font-size:12.5px;font-weight:600;color:#fff;background:linear-gradient(rgba(0,0,0,.7),transparent);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mini-player .mp-controls{position:absolute;top:8px;right:8px;display:flex;gap:4px}
.mini-player .mp-controls button{width:30px;height:30px;border-radius:50%;background:rgba(0,0,0,.55);color:#fff;display:flex;align-items:center;justify-content:center}
.mini-player .mp-controls .icon{width:16px;height:16px}

/* report modal reasons */
.reason-item{display:flex;gap:11px;align-items:center;padding:10px 4px;cursor:pointer;font-size:14px}
.reason-item input{accent-color:var(--accent)}

/* filter bar (search) */
.filter-bar{display:flex;gap:8px;flex-wrap:wrap;padding:10px 0;border-bottom:1px solid var(--border);margin-bottom:10px}
.filter-bar select{padding:8px 12px;font-size:13px;background:var(--bg-2)}

/* history controls */
.hist-controls{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0}

/* admin */
.admin-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:26px}

/* bottom mobile nav */
.mobile-nav{display:none;position:fixed;bottom:0;left:0;right:0;height:58px;background:var(--surface);border-top:1px solid var(--border);z-index:170;padding-bottom:env(safe-area-inset-bottom)}
.mobile-nav .mn-inner{display:flex;height:100%;width:100%}
.mobile-nav .mn-item{flex:1 1 0;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:10px;color:var(--text-2);overflow:hidden}
.mobile-nav .mn-item.active{color:var(--text)}
.mobile-nav .mn-item .icon{width:21px;height:21px}
@media(max-width:900px){.mobile-nav{display:block}}

@media(max-width:640px){
  .header{padding:0 8px}
  .searchbar{display:none}
  .searchbar.mobile-open{display:flex;position:fixed;top:0;left:0;right:0;height:var(--header-h);background:var(--bg);z-index:300;padding:9px 8px;width:100%}
  .header-center{justify-content:flex-end}
  .watch-actions{gap:6px}
  .action-chip{padding:0 12px}
  .action-chip .txt{display:none}
  .action-chip .icon{margin:0}
  .like-group button .txt{display:none}
}
.hide-mobile{}
@media(max-width:640px){.hide-mobile{display:none!important}}
.only-mobile{display:none!important}
@media(max-width:640px){.only-mobile{display:flex!important}}