/* Library (library.html) and content viewer (content.html) */
.lb-search{display:flex;gap:8px;padding:0 20px}
.lb-search .field{flex:1;min-height:44px}
.lb-chips{display:flex;gap:7px;overflow-x:auto;padding:12px 20px 4px;scrollbar-width:none}
.lb-chips::-webkit-scrollbar{display:none}
.lb-chip{flex:0 0 auto;border:1px solid var(--stroke);background:var(--surface);color:var(--text-2);font-family:var(--font-fa);font-size:12.5px;font-weight:700;padding:9px 15px;min-height:40px;border-radius:999px;cursor:pointer}
.lb-chip.on{background:var(--brand-grad);color:var(--ink-teal);border-color:transparent}
.lb-rail{display:flex;gap:12px;overflow-x:auto;padding:4px 20px 8px;scroll-snap-type:x proximity;scrollbar-width:none}
.lb-rail::-webkit-scrollbar{display:none}
.lb-rail .lb-card{flex:0 0 74%;scroll-snap-align:start}
.lb-list{display:flex;flex-direction:column;gap:12px;padding:0 20px}
.lb-card{display:block;border-radius:20px;border:1px solid var(--stroke);background:var(--surface);overflow:hidden;color:var(--text-1);transition:transform .18s,border-color .18s}
.lb-card:hover{transform:translateY(-2px);border-color:var(--brand-400)}
.lb-card:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px}
.lb-thumb{position:relative;aspect-ratio:16/9;background:var(--brand-grad) center/cover no-repeat;display:grid;place-items:center;color:rgba(255,255,255,.92)}
.lb-thumb.kind-article{background-image:linear-gradient(135deg,#2979FF 0%,#7B61FF 100%)}
.lb-thumb.kind-book{background-image:linear-gradient(135deg,#E0965A 0%,#7B61FF 100%)}
.lb-thumb::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(0,0,0,.55))}
.lb-thumb .lb-big{position:relative;z-index:1;width:46px;height:46px;border-radius:50%;background:rgba(0,0,0,.38);backdrop-filter:blur(6px);display:grid;place-items:center}
.lb-thumb .lb-big svg{width:22px;height:22px}
.lb-kind,.lb-dur{position:absolute;z-index:2;bottom:9px;font-size:11px;font-weight:700;color:#fff;background:rgba(0,0,0,.5);border-radius:999px;padding:2px 10px;display:flex;align-items:center;gap:5px}
.lb-kind{inset-inline-start:10px}.lb-dur{inset-inline-end:10px}
.lb-kind svg{width:13px;height:13px}
.lb-prog{position:absolute;z-index:2;inset-inline:0;bottom:0;height:4px;background:rgba(255,255,255,.25)}
.lb-prog i{display:block;height:100%;background:var(--teal,#00D4C1)}
.lb-done{position:absolute;z-index:2;top:9px;inset-inline-end:10px;background:var(--teal,#00D4C1);color:var(--ink-teal);border-radius:999px;font-size:11px;font-weight:800;padding:2px 10px}
.lb-body{padding:12px 14px 14px}
.lb-body b{display:block;font-size:14.5px;font-weight:800;line-height:1.7}
.lb-body p{margin:3px 0 0;font-size:12.5px;color:var(--text-2);line-height:1.9;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.lb-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:9px}
.lb-why{color:var(--teal,#00D4C1)}
.lb-empty{text-align:center;color:var(--text-3);padding:36px 24px;line-height:2}

/* viewer */
.ct-frame{margin:0 20px;position:relative;border-radius:22px;overflow:hidden;background:#000;aspect-ratio:16/9;border:1px solid var(--stroke);box-shadow:var(--shadow-lg,0 20px 50px -20px rgba(0,0,0,.7))}
.ct-frame video,.ct-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0;background:#000;object-fit:contain}
.ct-frame:fullscreen{border-radius:0;aspect-ratio:auto;margin:0}
.ct-sub{position:absolute;inset-inline:0;bottom:56px;text-align:center;padding:0 14px;pointer-events:none;transition:bottom .2s}
.ct-frame.idle .ct-sub{bottom:16px}
.ct-sub span{display:inline-block;background:rgba(0,0,0,.72);color:#fff;border-radius:10px;padding:4px 12px;font-size:15px;line-height:1.7;max-width:96%;direction:ltr}
.ct-sub .fa{display:block;margin-top:4px;color:#FFD54A;font-size:13.5px;direction:rtl;background:rgba(0,0,0,.66);border-radius:10px;padding:2px 12px}
.ct-frame:fullscreen .ct-sub span{font-size:22px}.ct-frame:fullscreen .ct-sub .fa{font-size:19px}
.ct-ctl{position:absolute;inset-inline:0;bottom:0;padding:22px 10px 8px;background:linear-gradient(transparent,rgba(0,0,0,.78));display:flex;flex-direction:column;gap:2px;transition:opacity .25s;direction:ltr;color:#fff}
.ct-frame.idle .ct-ctl{opacity:0;pointer-events:none}
.ct-row{display:flex;align-items:center;gap:2px}
.ct-btn{width:44px;height:40px;border:0;background:transparent;color:#fff;display:grid;place-items:center;cursor:pointer;border-radius:12px;font-family:var(--font-fa);font-size:12px;font-weight:800;flex:0 0 auto}
.ct-btn:hover{background:rgba(255,255,255,.14)}
.ct-btn.on{color:var(--teal,#00D4C1)}
.ct-btn svg{width:20px;height:20px}
.ct-btn.txt{width:auto;padding:0 10px;min-width:44px}
.ct-time{font-size:11.5px;font-weight:700;opacity:.9;padding:0 6px;font-variant-numeric:tabular-nums}
.ct-seek{width:100%;height:22px;margin:0;-webkit-appearance:none;appearance:none;background:transparent;cursor:pointer}
.ct-seek::-webkit-slider-runnable-track{height:5px;border-radius:99px;background:linear-gradient(90deg,var(--teal,#00D4C1) var(--p,0%),rgba(255,255,255,.28) var(--p,0%))}
.ct-seek::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:#fff;margin-top:-4.5px;box-shadow:0 2px 6px rgba(0,0,0,.5)}
.ct-seek::-moz-range-track{height:5px;border-radius:99px;background:rgba(255,255,255,.28)}
.ct-seek::-moz-range-progress{height:5px;border-radius:99px;background:var(--teal,#00D4C1)}
.ct-seek::-moz-range-thumb{width:14px;height:14px;border:0;border-radius:50%;background:#fff}
.ct-bigplay{position:absolute;inset:0;display:grid;place-items:center;border:0;background:transparent;cursor:pointer;color:#fff}
.ct-bigplay span{width:64px;height:64px;border-radius:50%;background:rgba(0,0,0,.45);backdrop-filter:blur(6px);display:grid;place-items:center;border:1px solid rgba(255,255,255,.3)}
.ct-bigplay svg{width:28px;height:28px}
.ct-frame.playing .ct-bigplay{display:none}
.ct-now{margin:14px 20px 0;border-radius:18px;border:1px solid var(--stroke);background:var(--surface);padding:12px 16px;min-height:78px}
.ct-now .en{font-size:16px;font-weight:700;line-height:1.9;direction:ltr;text-align:start}
.ct-now .fa{color:var(--text-2);font-size:13px;line-height:1.9;margin-top:2px}
.ct-now .ph{color:var(--text-3);font-size:13px}
.ct-note{font-size:11.5px;color:var(--text-3);margin:8px 22px 0;line-height:1.9}
.ct-title{padding:14px 20px 0}
.ct-title h1{margin:0;font-size:18px;font-weight:800;line-height:1.7}
.ct-meta{display:flex;gap:6px;flex-wrap:wrap;margin-top:7px}
.ct-cap{margin:12px 20px 0;font-size:13.5px;line-height:2.05;color:var(--text-2);white-space:pre-wrap}
.ct-lines{margin:8px 20px 0;max-height:340px;overflow-y:auto;border-radius:18px;border:1px solid var(--stroke);background:var(--surface)}
.ct-ln{display:block;padding:10px 14px;border-bottom:1px solid var(--stroke);cursor:pointer;transition:background .15s}
.ct-ln:last-child{border-bottom:0}
.ct-ln:hover{background:var(--surface-2)}
.ct-ln.on{background:rgba(0,212,193,.14);box-shadow:inset 3px 0 0 var(--teal,#00D4C1)}
.ct-ln .t{font-size:10.5px;color:var(--text-3);direction:ltr;text-align:start;font-variant-numeric:tabular-nums}
.ct-ln .en{font-size:14px;line-height:1.9;direction:ltr;text-align:start}
.ct-ln .fa{font-size:12.5px;color:var(--text-2);line-height:1.9}
.ct-ln.hidefa .fa{display:none}
.ct-text{margin:12px 20px 0;padding:6px 18px 12px;border-radius:20px;border:1px solid var(--stroke);background:var(--surface);line-height:2.2;font-size:15px;direction:ltr;text-align:start}
.ct-text h2,.ct-text h3,.ct-text h4{margin:1.1em 0 .3em;line-height:1.6}
.ct-text blockquote{margin:.8em 0;border-inline-start:3px solid var(--teal,#00D4C1);padding:2px 14px;color:var(--text-2)}
.ct-text ul,.ct-text ol{padding-inline-start:1.4em}
.ct-text code{background:var(--surface-2);padding:1px 6px;border-radius:6px;font-size:.92em}
.ct-chap{display:flex;gap:7px;overflow-x:auto;padding:12px 20px 4px;scrollbar-width:none}
.ct-chap::-webkit-scrollbar{display:none}
.ct-pager{display:flex;gap:10px;padding:14px 20px 0}
.ct-pager .btn{flex:1}
.ct-yt-note{margin:8px 22px 0;font-size:11.5px;color:var(--text-3)}
@media(prefers-reduced-motion:reduce){.lb-card,.ct-ctl,.ct-sub{transition:none}}

/* home page: recommended rail + announcements */
.home-rail{display:flex;gap:12px;overflow-x:auto;padding:2px 20px 8px;scrollbar-width:none;scroll-snap-type:x proximity}
.home-rail::-webkit-scrollbar{display:none}
.home-rc{flex:0 0 62%;scroll-snap-align:start;display:flex;flex-direction:column;gap:3px;color:var(--text-1)}
.home-rc b{font-size:13px;font-weight:800;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.home-rc span{font-size:11.5px;color:var(--text-3)}
.home-rt{aspect-ratio:16/9;border-radius:16px;background:var(--brand-grad) center/cover;display:grid;place-items:center;color:#fff;border:1px solid var(--stroke)}
.home-rt.kind-article{background-image:linear-gradient(135deg,#2979FF,#7B61FF)}.home-rt.kind-book{background-image:linear-gradient(135deg,#E0965A,#7B61FF)}
.home-rt svg{width:26px;height:26px;filter:drop-shadow(0 2px 6px rgba(0,0,0,.5))}
.home-ann{border-inline-start:4px solid var(--brand-400)}
.home-ann.success{border-inline-start-color:var(--teal,#00D4C1)}.home-ann.warn{border-inline-start-color:var(--gold-400,#FFC857)}
.home-ann{padding:10px 14px}

/* ── video page v2: live caption card instead of a full transcript ── */
.ct-sub{display:none}
.ct-frame:fullscreen .ct-sub{display:block;bottom:70px}
.ct-live{margin:16px 20px 0;border-radius:24px;border:1px solid var(--stroke);background:var(--surface);padding:6px 6px 8px;overflow:hidden;position:relative}
.ct-live::before{content:'';position:absolute;inset-inline:0;top:0;height:3px;background:var(--brand-grad)}
.ct-live .lv{padding:10px 16px}
.ct-live .pv,.ct-live .nx{opacity:.42;cursor:pointer;transition:opacity .2s}
.ct-live .pv:hover,.ct-live .nx:hover{opacity:.8}
.ct-live .pv .en,.ct-live .nx .en{font-size:13px;font-weight:600;line-height:1.7}
.ct-live .pv .fa,.ct-live .nx .fa{font-size:11.5px}
.ct-live .pv:empty,.ct-live .nx:empty{display:none}
.ct-live .cu{min-height:96px;display:flex;flex-direction:column;justify-content:center;border-radius:18px;background:rgba(0,212,193,.10);margin:2px 4px}
.ct-live .cu.gap{background:transparent}
.ct-live .cu.gap .en,.ct-live .cu.gap .fa{opacity:.55}
.ct-live .cu .en{font-size:19px;font-weight:800;line-height:1.75;direction:ltr;text-align:start}
.ct-live .cu .fa{font-size:14.5px;color:var(--text-2);line-height:1.9;margin-top:3px}
.ct-live .ph{color:var(--text-3);font-size:13px;line-height:2;text-align:center}
.ct-live .cu.swap{animation:ctSwap .28s ease}
@keyframes ctSwap{from{opacity:.2;transform:translateY(8px)}to{opacity:1;transform:none}}
.ct-tools{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:12px 20px 0}
.ct-tool{display:flex;flex-direction:column;align-items:center;gap:3px;border:1px solid var(--stroke);background:var(--surface);color:var(--text-2);border-radius:16px;padding:10px 2px 8px;min-height:62px;cursor:pointer;font-family:var(--font-fa);transition:background .15s,border-color .15s,color .15s}
.ct-tool:hover{border-color:var(--brand-400);color:var(--text-1)}
.ct-tool:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px}
.ct-tool.on{background:rgba(0,212,193,.16);border-color:var(--teal,#00D4C1);color:var(--text-1)}
.ct-tool .ti svg{width:20px;height:20px}
.ct-tool .tl{font-size:10.5px;font-weight:700;white-space:nowrap}
.ct-hint{font-size:11.5px;color:var(--text-3);margin:10px 24px 12px;line-height:1.9;text-align:center}
.ct-lines{margin:6px 0 0;max-height:60vh}
@media(prefers-reduced-motion:reduce){.ct-live .cu.swap{animation:none}}
.ct-all{width:100%;background:var(--surface);color:var(--text-1);border:1px solid var(--stroke);min-height:46px;font-weight:700}

/* ── polish pass: reader ── */
.ct-prog{margin:12px 20px 0;display:flex;flex-direction:column;gap:6px}
.ct-prog span{font-size:11.5px;color:var(--text-3)}
.ct-prog-bar{height:5px;border-radius:99px;background:var(--surface-2);overflow:hidden}
.ct-prog-bar i{display:block;height:100%;border-radius:99px;background:var(--brand-grad);transition:width .3s}
.ct-text{min-height:260px;font-size:16px;line-height:2.25}
.ct-nav{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;min-height:50px;border-radius:16px;border:1px solid var(--stroke);background:var(--surface);color:var(--text-1);font-family:var(--font-fa);font-size:14px;font-weight:800;cursor:pointer;transition:transform .15s,border-color .15s}
.ct-nav:hover{border-color:var(--brand-400)}.ct-nav:active{transform:scale(.98)}
.ct-nav:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px}
.ct-nav.pri{background:linear-gradient(110deg,#087c89,#4855c7);color:#fff;border-color:transparent;box-shadow:0 12px 26px -14px rgba(41,121,255,.8)}
.ct-nav svg{width:18px;height:18px}
.ct-pager{padding-bottom:6px}

/* posterless cards get their own colour (--h set per item) */
.lb-thumb:not([style*="url("]){background-image:linear-gradient(135deg,hsl(var(--h,200) 72% 46%),hsl(calc(var(--h,200) + 55) 68% 40%))}
.home-rt:not([style*="url("]){background-image:linear-gradient(135deg,hsl(var(--h,200) 72% 46%),hsl(calc(var(--h,200) + 55) 68% 40%))}
.lb-rail .lb-card{flex-basis:64%}
.home-rc{flex-basis:56%}

/* compact, dismissible announcement strip */
.home-annrow{margin-bottom:8px}
.home-ann{display:flex;align-items:center;gap:10px;padding:8px 8px 8px 12px;border-radius:16px;border:1px solid var(--stroke);background:var(--surface);border-inline-start:4px solid var(--brand-400)}
.home-ann.success{border-inline-start-color:var(--teal,#00D4C1)}.home-ann.warn{border-inline-start-color:var(--gold-400,#FFC857)}
.home-ann .ha-ic{width:30px;height:30px;border-radius:10px;background:var(--surface-2);display:grid;place-items:center;flex:0 0 auto;color:var(--brand-400)}
.home-ann .ha-ic svg{width:16px;height:16px}
.home-ann .ha-tx{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.6}
.home-ann .ha-tx b{font-size:13px;font-weight:800;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.home-ann .ha-tx span{font-size:11.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.home-ann .ha-x{width:36px;height:36px;border:0;background:transparent;color:var(--text-3);border-radius:10px;display:grid;place-items:center;cursor:pointer;flex:0 0 auto}
.home-ann .ha-x:hover{background:var(--surface-2);color:var(--text-1)}
.home-ann .ha-x svg{width:15px;height:15px}

/* big play: only the centred circle is a button, so it never blocks the control bar */
.ct-bigplay{inset:auto;top:50%;left:50%;transform:translate(-50%,-62%);width:68px;height:68px;border-radius:50%;z-index:3}
.ct-ctl{z-index:2}