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var(--line);background:#fff;grid-template-columns:1fr auto;align-items:center;gap:12px;padding:18px;display:grid}.chat-input button{align-self:center;min-height:48px;padding:0 20px}.watch-page{max-width:1760px}.watch-layout{grid-template-columns:minmax(0,1fr) minmax(360px,420px);gap:18px;display:grid}.watch-player,.watch-queue{border:1px solid var(--line);background:#fff;border-radius:8px;box-shadow:0 24px 70px #191f281a}.watch-player{overflow:hidden}.youtube-shell{aspect-ratio:16/10;background:#111827;position:relative;overflow:hidden}.youtube-unavailable{color:#dbeafe;text-align:center;place-content:center;gap:8px;padding:24px;display:grid;position:absolute;inset:0}.youtube-unavailable strong{color:#fff;font-size:var(--font-18)}.youtube-unavailable span{color:#bfdbfe;max-width:420px;font-size:var(--font-14);font-weight:700;line-height:1.55}#youtube-player,#youtube-player iframe{aspect-ratio:16/10;width:100%;height:100%;display:block}.watch-meta{padding:24px}.watch-meta-bar{justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;display:flex}.watch-meta h1{margin-bottom:14px;font-size:clamp(34px,4.2vw,54px)}.watch-meta>p{margin-bottom:22px}.watch-meta small{color:var(--blue);font-weight:900}.watch-summary-card{border:1px solid var(--line);background:#f8fafc;border-radius:8px;gap:12px;margin-top:22px;padding:18px;display:grid}.watch-summary-card .section-title{margin-bottom:0}.watch-summary-card .section-title h2{font-size:var(--font-22)}.watch-summary-scroll{gap:10px;max-height:320px;padding-right:4px;display:grid;overflow:auto}.watch-summary-scroll article{background:#fff;border:1px solid #e5e8ebe6;border-radius:8px;gap:6px;padding:14px;display:grid}.watch-summary-scroll 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104px);display:grid;overflow:auto}.study-panel{background:#fff;border:1px solid #e5e8ebd1;border-radius:8px;gap:14px;padding:16px;display:grid}.study-panel .section-title{margin-bottom:0}.study-panel .section-title h2{font-size:var(--font-18)}.study-panel .section-title span{color:var(--blue);font-size:var(--font-13);font-weight:900}.playlist-library-panel{background:#f8fafc}.playlist-library-status{color:var(--muted);font-size:var(--font-13);margin:0;font-weight:800;line-height:1.55}.playlist-choice-list{gap:8px;max-height:280px;padding-right:4px;display:grid;overflow:auto}.playlist-choice-list button{border:1px solid var(--line);min-height:auto;color:var(--text);text-align:left;box-shadow:none;background:#fff;border-radius:8px;grid-template-columns:92px minmax(0,1fr);align-items:center;gap:6px;padding:12px;display:grid}.playlist-choice-list button.active,.playlist-choice-list 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button:first-child{width:100%;min-height:auto;color:var(--text);text-align:left;box-shadow:none;background:#f8fafc;border-radius:8px;grid-template-columns:84px 1fr;gap:10px;padding:10px 54px 10px 10px;display:grid}.queue-remove{color:#6b7684;min-height:40px;font-size:var(--font-13);box-shadow:none;background:#191f280f;padding:0 12px;position:absolute;top:8px;right:8px}.queue-remove:hover{color:#fff;background:#e64f4f}.queue-list img{aspect-ratio:16/9;object-fit:cover;border-radius:8px;width:84px}.queue-list b{background:var(--blue);color:#fff;width:24px;height:24px;font-size:var(--font-12);border-radius:999px;place-items:center;margin-bottom:6px;display:inline-grid}.queue-list strong{font-size:var(--font-15);line-height:1.35;display:block}.queue-list small{color:var(--muted)}.wide-button{width:100%;margin-top:16px}.wide-button.subtle{color:#4e5968;box-shadow:none;background:#f2f4f6;margin-top:10px}.wide-button.subtle:hover{box-shadow:none;background:#e5e8eb}@media (width<=1020px){.watch-layout,.watch-empty-shell{grid-template-columns:1fr}.watch-empty-page{padding-top:36px}}@media (width<=760px){.chat-input,.video-result,.playlist-choice-list button,.watch-empty-page .playlist-choice-list button,.queue-list button:first-child,.metadata-row,.link-capture-row,.registration-path,.playlist-builder-stats,.editor-step{grid-template-columns:1fr;display:grid}.chat-message{max-width:100%}.chat-input button{width:100%;min-height:48px}.video-result img,.playlist-choice-thumb,.watch-empty-page .playlist-choice-thumb,.queue-list img,.home-feature-media img{width:100%}.profile-stats{grid-template-columns:1fr}}