:root{--bg:#0e0f14;--bg-elevated:#16181f;--bg-elevated-2:#1d202a;--border:#2a2d38;--text:#eef0f5;--text-dim:#9598a6;--accent:#7c6cf6;--accent-hover:#8f81f9;--danger:#ef4444;--success:#22c55e;--glow-amber:#ffb454;--sync-cyan:#4dd8c4;--radius:12px;--radius-sm:8px;--font-display:"Bricolage Grotesque", "Inter", -apple-system, BlinkMacSystemFont, sans-serif;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0}button{cursor:pointer;font-family:inherit}input{font-family:inherit}.home-page{background:radial-gradient(circle at 30% 20%, #1c1836 0%, var(--bg) 60%);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.home-page-landing{background:radial-gradient(circle at 12% 8%, #ffb4541a 0%, transparent 45%), radial-gradient(circle at 88% 82%, #4dd8c41a 0%, transparent 45%), radial-gradient(circle at 30% 20%, #1c1836 0%, var(--bg) 65%);padding:48px 24px}.home-shell{width:100%;max-width:1080px}.home-brand{font-family:var(--font-display);align-items:center;gap:10px;margin-bottom:40px;font-size:18px;font-weight:600;display:flex}.home-brand-mark{background:linear-gradient(135deg, var(--glow-amber), var(--sync-cyan));border-radius:7px;flex-shrink:0;width:22px;height:22px}.home-layout{grid-template-columns:1.15fr .85fr;align-items:center;gap:64px;display:grid}.home-hero{min-width:0}.home-eyebrow{border:1px solid var(--border);background:var(--bg-elevated);color:var(--text-dim);letter-spacing:.02em;border-radius:999px;margin:0 0 16px;padding:5px 12px;font-size:12px;font-weight:600;display:inline-block}.home-headline{font-family:var(--font-display);letter-spacing:-.02em;margin:0 0 18px;font-size:52px;font-weight:700;line-height:1.08}.home-subhead{max-width:46ch;color:var(--text-dim);margin:0 0 36px;font-size:17px;line-height:1.55}.home-features{flex-direction:column;gap:12px;margin:32px 0 0;padding:0;list-style:none;display:flex}.home-features li{color:var(--text-dim);align-items:flex-start;gap:10px;font-size:14px;line-height:1.4;display:flex}.home-features li svg{color:var(--sync-cyan);flex-shrink:0;margin-top:2px}.sync-visual{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);max-width:420px;margin-top:8px;padding:20px 22px 16px}.sync-visual-caption{color:var(--text-dim);align-items:center;gap:8px;margin:0 0 16px;font-size:13px;display:flex}.sync-live-dot{background:var(--sync-cyan);width:6px;height:6px;box-shadow:0 0 6px var(--sync-cyan);border-radius:50%;animation:1.8s ease-in-out infinite sync-pulse-dot}.sync-track{background:var(--bg-elevated-2);border-radius:999px;height:8px;position:relative}.sync-track-fill{background:linear-gradient(90deg, var(--glow-amber), var(--sync-cyan));opacity:.9;border-radius:999px;width:56%;position:absolute;inset:0}.sync-dot{border-radius:50%;width:10px;height:10px;position:absolute;top:50%;transform:translate(-50%,-50%);box-shadow:0 0 8px}.sync-dot-a{color:#f97316;background:#f97316;animation:4.2s ease-in-out infinite sync-drift-a;left:51%}.sync-dot-b{color:#22c55e;background:#22c55e;animation:3.6s ease-in-out .3s infinite sync-drift-b;left:55%}.sync-dot-c{color:#3b82f6;background:#3b82f6;animation:5s ease-in-out .6s infinite sync-drift-c;left:59%}.sync-track-times{color:var(--text-dim);font-variant-numeric:tabular-nums;justify-content:space-between;margin-top:10px;font-size:11px;display:flex}@keyframes sync-pulse-dot{0%,to{opacity:.5}50%{opacity:1}}@keyframes sync-drift-a{0%,to{transform:translate(-50%,-50%)translate(0)}40%{transform:translate(-50%,-50%)translate(-7px)}70%{transform:translate(-50%,-50%)translate(3px)}}@keyframes sync-drift-b{0%,to{transform:translate(-50%,-50%)translate(0)}45%{transform:translate(-50%,-50%)translate(5px)}75%{transform:translate(-50%,-50%)translate(-4px)}}@keyframes sync-drift-c{0%,to{transform:translate(-50%,-50%)translate(0)}35%{transform:translate(-50%,-50%)translate(-4px)}65%{transform:translate(-50%,-50%)translate(6px)}}@media (prefers-reduced-motion:reduce){.sync-live-dot,.sync-dot{animation:none!important}}.home-card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);width:100%;max-width:420px;padding:32px;box-shadow:0 20px 60px #0006}.home-card h1{font-family:var(--font-display);letter-spacing:-.02em;margin:0 0 8px;font-size:26px;font-weight:700}.home-tabs{background:var(--bg-elevated-2);border-radius:var(--radius-sm);gap:4px;margin-bottom:20px;padding:4px;display:flex}.home-tabs button{min-height:44px;color:var(--text-dim);background:0 0;border:none;border-radius:6px;flex:1;padding:10px 12px;font-size:13px;font-weight:600;transition:background .15s,color .15s}.home-tabs button.active{background:var(--accent);color:#fff}.home-tabs button:focus-visible,.home-form input:focus-visible,.home-form button[type=submit]:focus-visible{outline:2px solid var(--sync-cyan);outline-offset:2px}.home-form{flex-direction:column;gap:16px;display:flex}.home-form label{color:var(--text-dim);flex-direction:column;gap:6px;font-size:13px;font-weight:500;display:flex}.home-form input{background:var(--bg-elevated-2);border:1px solid var(--border);border-radius:var(--radius-sm);min-height:44px;color:var(--text);padding:12px;font-size:15px}.home-form input:focus{border-color:var(--accent);outline:none}.home-form button[type=submit]{background:var(--accent);color:#fff;border-radius:var(--radius-sm);border:none;min-height:44px;padding:12px;font-size:15px;font-weight:600;transition:background .15s}.home-form button[type=submit]:hover:not(:disabled){background:var(--accent-hover)}.home-form button[type=submit]:disabled{opacity:.6;cursor:default}.home-error{color:var(--danger);font-size:13px}@media (width<=900px){.home-layout{grid-template-columns:1fr;gap:40px}.home-headline{font-size:40px}.home-card{max-width:none}}.room-page{flex-direction:column;min-height:100vh;display:flex}.room-header{border-bottom:1px solid var(--border);background:var(--bg-elevated);justify-content:space-between;align-items:center;padding:12px 20px;display:flex}.leave-button{border:1px solid var(--border);color:var(--text-dim);border-radius:var(--radius-sm);background:0 0;padding:8px 14px;font-size:13px;font-weight:600}.leave-button:hover{border-color:var(--danger);color:var(--danger)}.action-error-banner{color:#fca5a5;text-align:center;background:#ef444426;padding:8px 20px;font-size:13px}.room-body{flex:1;grid-template-columns:1fr 340px;gap:16px;min-height:0;padding:16px;display:grid}.room-main{flex-direction:column;gap:16px;min-width:0;display:flex}.room-sidebar{flex-direction:column;gap:16px;min-height:0;display:flex}@media (width<=900px){.room-body{grid-template-columns:1fr}}.room-code-badge{align-items:center;gap:10px;display:flex}.room-code-label{color:var(--text-dim);font-size:13px}.room-code-value{letter-spacing:.08em;background:var(--bg-elevated-2);border-radius:6px;padding:4px 10px;font-family:SF Mono,Menlo,monospace;font-size:18px;font-weight:700}.room-code-badge button{background:var(--accent);color:#fff;border-radius:var(--radius-sm);border:none;padding:8px 12px;font-size:13px;font-weight:600}.room-code-badge button:hover{background:var(--accent-hover)}.player-shell{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;display:flex;overflow:hidden}.player-empty{aspect-ratio:16/9;text-align:center;color:var(--text-dim);justify-content:center;align-items:center;padding:32px;display:flex}.player-surface{aspect-ratio:16/9;background:#000;max-height:80vh;position:relative}.video-surface{object-fit:contain;background:#000;width:100%;height:100%;display:block}.youtube-surface iframe{width:100%;height:100%}.player-error-banner{color:#fff;z-index:5;text-align:center;background:#ef4444d9;padding:10px 16px;font-size:13px;position:absolute;top:0;left:0;right:0}.player-lock-overlay{color:#fff;text-shadow:0 1px 4px #000c;pointer-events:auto;cursor:not-allowed;background:0 0;justify-content:center;align-items:flex-end;padding-bottom:16px;font-size:13px;font-weight:600;display:flex;position:absolute;inset:0}.player-resume-overlay{z-index:10;background:#0009;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.player-resume-overlay button{background:var(--accent);color:#fff;border-radius:var(--radius-sm);border:none;padding:12px 20px;font-size:15px;font-weight:600}.player-controls{background:var(--bg-elevated);flex-wrap:wrap;align-items:center;gap:14px;padding:10px 16px;display:flex}.control-transport-group{flex:1;align-items:center;gap:12px;min-width:200px;display:flex}.control-transport-group.is-disabled{opacity:.7}.control-btn{background:var(--accent);color:#fff;border:none;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;font-size:15px;display:flex}.control-btn:disabled{background:var(--bg-elevated-2);color:var(--text-dim)}.control-time{color:var(--text-dim);font-variant-numeric:tabular-nums;min-width:40px;font-size:12px}.control-seek{accent-color:var(--accent);flex:1}.control-lock-hint{color:var(--text-dim);white-space:nowrap;font-size:11px}.control-volume-group{align-items:center;gap:6px;display:flex}.control-volume{width:70px;accent-color:var(--accent)}.control-btn-sm.is-active{background:var(--accent);color:#fff}.control-btn-sm{background:var(--bg-elevated-2);width:30px;height:30px;color:var(--text)}.control-btn-sm:hover:not(:disabled){background:var(--border)}.control-btn-sm:disabled{color:var(--text-dim)}.control-btn-fullscreen{border-radius:var(--radius-sm);background:var(--bg-elevated-2);width:32px;height:32px;color:var(--text);flex-shrink:0}.control-btn-fullscreen:hover{background:var(--border)}.player-flash-hint{color:#fff;border-radius:var(--radius);pointer-events:none;background:#000000a6;padding:10px 20px;font-size:18px;font-weight:700;animation:.6s ease-out forwards player-flash-fade;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}@keyframes player-flash-fade{0%{opacity:1}70%{opacity:1}to{opacity:0}}:-webkit-any(.player-shell:fullscreen,.player-shell:-webkit-full-screen,.player-shell.is-fullscreen){background:#000;border-radius:0;flex-direction:column;justify-content:center;display:flex}:is(.player-shell:fullscreen,.player-shell:fullscreen,.player-shell.is-fullscreen){background:#000;border-radius:0;flex-direction:column;justify-content:center;display:flex}:-webkit-any(.player-shell:fullscreen .player-surface,.player-shell:-webkit-full-screen .player-surface,.player-shell.is-fullscreen .player-surface){aspect-ratio:unset;flex:1;min-height:0;max-height:none}:is(.player-shell:fullscreen .player-surface,.player-shell:fullscreen .player-surface,.player-shell.is-fullscreen .player-surface){aspect-ratio:unset;flex:1;min-height:0;max-height:none}.player-controls{transition:opacity .25s}.player-controls.controls-hidden{opacity:0;pointer-events:none}.video-source-form{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.video-source-tabs{background:var(--bg-elevated-2);border-radius:var(--radius-sm);gap:4px;width:fit-content;margin-bottom:14px;padding:4px;display:flex}.video-source-tabs button{color:var(--text-dim);background:0 0;border:none;border-radius:6px;padding:6px 14px;font-size:13px;font-weight:600}.video-source-tabs button.active{background:var(--accent);color:#fff}.video-source-row{align-items:center;gap:10px;display:flex}.video-source-row input[type=text]{background:var(--bg-elevated-2);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);flex:1;padding:10px 12px;font-size:14px}.video-source-row input[type=text]:focus{border-color:var(--accent);outline:none}.video-source-row button[type=submit]{background:var(--accent);color:#fff;border-radius:var(--radius-sm);white-space:nowrap;border:none;padding:10px 16px;font-size:13px;font-weight:600}.upload-button{background:var(--accent);color:#fff;border-radius:var(--radius-sm);white-space:nowrap;padding:10px 16px;font-size:13px;font-weight:600}.upload-button:hover{background:var(--accent-hover)}.upload-progress{flex:1;align-items:center;gap:8px;display:flex}.upload-progress-track{background:var(--bg-elevated-2);border-radius:4px;flex:1;height:6px;overflow:hidden}.upload-progress-fill{background:var(--accent);height:100%;transition:width .2s}.upload-progress-label{color:var(--text-dim);min-width:36px;font-size:12px}.video-source-error{color:var(--danger);margin-top:10px;font-size:13px}.participant-list{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:14px}.participant-list-header{color:var(--text-dim);text-transform:uppercase;letter-spacing:.04em;margin-bottom:10px;font-size:13px;font-weight:700}.open-control-toggle{color:var(--text-dim);cursor:pointer;align-items:center;gap:8px;margin-bottom:12px;font-size:13px;display:flex}.open-control-toggle input{accent-color:var(--accent);width:16px;height:16px}.participant-list ul{flex-direction:column;gap:8px;max-height:220px;margin:0;padding:0;list-style:none;display:flex;overflow-y:auto}.participant-row{align-items:center;gap:8px;font-size:13px;display:flex}.participant-row.is-disconnected{opacity:.5}.participant-avatar{color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:26px;height:26px;font-size:12px;font-weight:700;display:flex}.participant-name{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.participant-status{color:var(--text-dim);font-style:italic}.participant-badge{text-transform:uppercase;letter-spacing:.03em;border-radius:4px;padding:2px 6px;font-size:10px;font-weight:700}.badge-host{color:var(--accent-hover);background:#7c6cf633}.badge-cohost{color:var(--success);background:#22c55e26}.badge-viewer{background:var(--bg-elevated-2);color:var(--text-dim)}.participant-actions{gap:4px;display:flex}.participant-actions button{background:var(--bg-elevated-2);border:1px solid var(--border);color:var(--text);border-radius:6px;justify-content:center;align-items:center;width:22px;height:22px;font-size:11px;display:flex}.participant-actions button.danger:hover{border-color:var(--danger);color:var(--danger)}.chat-panel{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;flex:1;min-height:300px;display:flex}.chat-header{color:var(--text-dim);text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid var(--border);padding:12px 14px;font-size:13px;font-weight:700}.chat-messages{flex-direction:column;flex:1;gap:10px;padding:12px 14px;display:flex;overflow-y:auto}.chat-empty{color:var(--text-dim);text-align:center;margin-top:20px;font-size:13px}.chat-system-message{text-align:center;color:var(--text-dim);font-size:12px;font-style:italic}.chat-message{gap:8px;display:flex}.chat-avatar{color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;font-size:11px;font-weight:700;display:flex}.chat-bubble{background:var(--bg-elevated-2);border-radius:var(--radius-sm);max-width:100%;padding:6px 10px}.chat-meta{align-items:baseline;gap:8px;margin-bottom:2px;display:flex}.chat-name{font-size:12px;font-weight:700}.chat-time{color:var(--text-dim);font-size:10px}.chat-text{word-break:break-word;white-space:pre-wrap;font-size:13px;line-height:1.4}.chat-input-row{border-top:1px solid var(--border);gap:8px;padding:12px;display:flex}.chat-input-row input{background:var(--bg-elevated-2);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);flex:1;padding:8px 12px;font-size:13px}.chat-input-row input:focus{border-color:var(--accent);outline:none}.chat-input-row button{background:var(--accent);color:#fff;border-radius:var(--radius-sm);border:none;padding:8px 16px;font-size:13px;font-weight:600}.chat-input-row button:disabled{opacity:.5}