*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#0f0f0f;color:#e0e0e0;height:100dvh;overflow:hidden}#app{height:100dvh;display:flex;flex-direction:column}#lobby{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100dvh;gap:16px}#lobby h1{font-size:2.5rem;color:#fff}#lobby p{color:#888;margin-bottom:16px}#lobby-form,#join-section{display:flex;flex-direction:column;align-items:center;gap:12px}#lobby-message{color:#e06c75;font-size:.9rem;text-align:center;max-width:300px}input[type=text],input[type=password]{padding:12px 16px;border:1px solid #333;border-radius:8px;background:#1a1a1a;color:#fff;font-size:1rem;outline:none;width:300px}input[type=text]:focus,input[type=password]:focus{border-color:#4a9eff}input[type=password]{width:300px}button{padding:12px 24px;border:none;border-radius:8px;font-size:1rem;cursor:pointer;background:#4a9eff;color:#fff;transition:background 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#202020;pointer-events:none}#room-content{display:flex;flex:1;overflow:hidden;min-height:0;position:relative}#video-grid{flex:1;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-auto-rows:1fr;gap:8px;padding:8px;overflow:hidden;min-height:0;position:relative}#video-grid.narrow{grid-template-columns:1fr}#video-grid.narrow:has(>.video-container:nth-child(3)){grid-template-columns:1fr 1fr}.video-container{position:relative;background:#1a1a1a;border-radius:12px;overflow:hidden;cursor:pointer;min-height:0;transition:box-shadow .15s ease;z-index:0}.video-container video{width:100%;height:100%;object-fit:contain;display:block;background:#000;will-change:transform;transform:translateZ(0)}.video-container.video-off video:first-child{visibility:hidden}.video-avatar{display:none;position:absolute;top:0;right:0;bottom:0;left:0;align-items:center;justify-content:center;z-index:1;color:#444}.video-container.video-off 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.chat-code-wrap{position:relative;margin:6px 0;max-width:100%}#chat-messages .chat-code{display:block;margin:0;padding:10px 44px 10px 12px;background:#0f1419;border:1px solid #2a2a2a;border-radius:6px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.8rem;line-height:1.45;color:#d4d4d4;white-space:pre;overflow:auto;max-height:320px;max-width:100%}#chat-messages .chat-code code{font-family:inherit;font-size:inherit;color:inherit}#chat-messages .chat-code-copy{position:absolute;top:6px;right:6px;width:30px;height:30px;display:flex;align-items:center;justify-content:center;padding:0;background:#232930d9;color:#cfd6df;border:1px solid rgba(255,255,255,.12);border-radius:6px;cursor:pointer;opacity:.55;transition:opacity .15s,background .15s,color .15s,transform .15s;z-index:2}#chat-messages .chat-code-wrap:hover .chat-code-copy,#chat-messages .chat-code-copy:focus-visible{opacity:1}#chat-messages 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#3a3a3a;border-radius:10px;padding:28px 6px 6px;z-index:100;box-shadow:0 10px 28px #00000080;flex-direction:column;gap:2px}.popover-close{position:absolute;top:4px;right:4px;width:24px;height:24px;padding:0;background:transparent;border:none;color:#888;font-size:1.25rem;line-height:1;border-radius:4px;cursor:pointer;display:flex;align-items:center;justify-content:center}.popover-close:hover{background:#2a2a2a;color:#e0e0e0}.popover-title{font-size:.75rem;color:#888;text-transform:uppercase;letter-spacing:.04em;padding:6px 10px 4px}.popover-list{display:flex;flex-direction:column;gap:1px}.popover-item{padding:8px 10px;background:transparent;border:none;color:#e0e0e0;text-align:left;border-radius:5px;font-size:.85rem;line-height:1.3;cursor:pointer;white-space:normal;word-break:break-word}.popover-item:hover{background:#2a2a2a}.popover-item.selected{background:#2d7a2d;color:#fff}.popover-item.selected:hover{background:#359935}.popover-list.bg-grid{display:grid;grid-template-columns:1fr 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.file-card{position:relative;width:220px;max-width:100%;aspect-ratio:1 / 1;background:#1f1f1f;border:1px solid #333;border-radius:10px;margin-top:6px;overflow:hidden}.msg.file-msg .file-icon{display:flex;align-items:center;justify-content:center;width:64px;height:64px;background:#2d4a6a;border-radius:10px;color:#8ab4f8}.msg.file-msg .file-card.clickable{cursor:pointer;transition:transform .15s,border-color .15s}.msg.file-msg .file-card.clickable:hover{border-color:#3b7dd8}.msg.file-msg .file-preview{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#14171b;color:#8ab4f8;overflow:hidden}.msg.file-msg .file-preview-img{width:100%;height:100%;object-fit:cover;display:block}.msg.file-msg .file-preview-text{width:100%;height:100%;margin:0;padding:8px 10px;font-family:ui-monospace,Menlo,monospace;font-size:9px;line-height:1.25;color:#e0e0e0;background:#0f1419;white-space:pre;overflow:hidden}.msg.file-msg .file-preview-icon{display:flex;align-items:center;justify-content:center}.msg.file-msg .file-overlay{position:absolute;left:0;right:0;bottom:0;padding:16px 10px 8px;background:linear-gradient(to top,#000000d1,#0000008c 55%,#0000);color:#fff;pointer-events:none}.msg.file-msg .file-name{font-size:.82rem;font-weight:600;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.msg.file-msg .file-size{font-size:.72rem;color:#cfd2d6;font-variant-numeric:tabular-nums}.msg.file-msg .file-ring{position:absolute;top:50%;left:50%;width:86px;height:86px;transform:translate(-50%,-50%);pointer-events:none;filter:drop-shadow(0 2px 8px rgba(0,0,0,.55))}.msg.file-msg .file-ring-track{fill:none;stroke:#ffffff2e;stroke-width:3.2}.msg.file-msg .file-ring-fill{fill:none;stroke:#4a9eff;stroke-width:3.8;stroke-linecap:round;transform:rotate(-90deg);transform-origin:center;transition:stroke-dasharray .15s linear}.msg.file-msg.done .file-ring{display:none}.msg.file-msg .file-peers{margin-top:6px;display:flex;flex-direction:column;gap:3px}.msg.file-msg.done .file-peers{display:none}.msg.file-msg .file-peer{display:flex;align-items:center;gap:6px;font-size:.7rem;color:#888}.msg.file-msg .file-peer .name{min-width:60px;max-width:90px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.msg.file-msg .file-peer .mini-bar{flex:1;height:3px;background:#2a2a2a;border-radius:2px;overflow:hidden}.msg.file-msg .file-peer .mini-fill{height:100%;background:#4a9eff;width:0%;transition:width .15s linear}.msg.file-msg .file-peer .pct{min-width:32px;text-align:right;font-variant-numeric:tabular-nums}.msg.file-msg .file-download{position:absolute;top:8px;right:8px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:#14171bc7;color:#fff;border:1px solid rgba(255,255,255,.18);border-radius:50%;text-decoration:none;cursor:pointer;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);transition:background .15s,transform 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svg{width:24px;height:24px}#qr-modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#000c;z-index:1000;display:flex;align-items:center;justify-content:center}#qr-modal-content{background:#fff;border-radius:16px;padding:24px;display:flex;flex-direction:column;align-items:center;gap:16px}#qr-canvas{border-radius:8px}#qr-close{background:#333}#file-preview-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000eb;z-index:2000;flex-direction:column}#file-preview-header{flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:#0f0f0f;color:#e0e0e0;border-bottom:1px solid #2a2a2a}#file-preview-name{font-size:.9rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:70vw}#file-preview-actions{display:flex;gap:8px;flex-shrink:0}#file-preview-actions #file-preview-close{font-size:1.5rem;line-height:1;width:36px;height:36px}#file-preview-body{flex:1;display:flex;align-items:center;justify-content:center;overflow:auto;padding:16px;min-height:0}#file-preview-body img,#file-preview-body video{max-width:100%;max-height:100%;object-fit:contain;border-radius:6px}#file-preview-body audio{width:min(90vw,500px)}.file-preview-pdf{width:min(95vw,1200px);height:min(90vh,900px);border:none;background:#fff;border-radius:6px}.file-preview-fulltext{width:min(95vw,1000px);max-height:85vh;overflow:auto;background:#0f1419;color:#d4d4d4;padding:20px;border-radius:8px;font-family:ui-monospace,Menlo,Monaco,monospace;font-size:.85rem;line-height:1.5;white-space:pre-wrap;word-break:break-word}.file-preview-generic{color:#888;text-align:center;padding:32px}#password-modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#000c;z-index:1000;display:flex;align-items:center;justify-content:center}#password-modal-content{background:#1a1a1a;border:1px solid #333;border-radius:16px;padding:32px;display:flex;flex-direction:column;align-items:center;gap:12px;max-width:360px;width:90vw}#password-modal-content h3{color:#fff;font-size:1.2rem}#password-modal-content p{color:#888;font-size:.9rem;text-align:center}#password-form{display:flex;flex-direction:column;align-items:center;gap:12px;width:100%}#password-prompt-input{width:100%}#password-cancel{background:#333}#debug-panel{display:none;position:fixed;bottom:0;left:0;right:0;height:40vh;background:#000000f2;border-top:2px solid #4a9eff;z-index:9999;flex-direction:column;font-family:monospace;font-size:.75rem}#debug-panel.visible{display:flex}#debug-header{display:flex;align-items:center;gap:8px;padding:6px 10px;background:#1a1a2e;border-bottom:1px solid #333}#debug-header span{flex:1;font-weight:700;color:#4a9eff}#debug-header button{padding:2px 8px;font-size:.7rem;background:#333;border-radius:4px}#debug-log{flex:1;overflow-y:auto;padding:6px}.debug-entry{padding:1px 0;color:#aaa;word-break:break-all}.debug-entry b{color:#4a9eff}.debug-ws b{color:#5dba5d}.debug-rtc b{color:#e8a838}.debug-ice b{color:#c678dd}.debug-error b{color:#e06c75}.debug-media b{color:#56b6c2}@media (max-width: 768px){#room-header{padding:6px 10px}#room-header h2{font-size:1rem}#share-link{display:none}#room-content{flex-direction:column;min-height:0}#video-grid{flex:1;min-height:0;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:4px;padding:4px}@media (orientation: portrait){#video-grid{grid-template-columns:1fr}#video-grid:has(>.video-container:nth-child(3)){grid-template-columns:1fr 1fr}}#video-strip{height:80px;gap:4px}#video-strip .video-container{flex:0 0 120px}.video-fullscreen-btn{width:28px;height:28px;top:6px;right:6px}.video-container{border-radius:8px}#sidebar{position:fixed;top:0;right:0;bottom:0;width:100vw;max-width:100vw;flex:none;z-index:200;border-left:none}#sidebar-backdrop,#sidebar-backdrop.visible{display:none}#controls{padding:6px 8px;gap:4px}.media-toggle{width:38px;height:36px}.media-toggle.standalone{width:36px;height:36px}.media-select{width:22px;min-width:22px;max-width:22px;padding:0;font-size:0;color:transparent;background-position:center;background-size:14px}.media-select option{font-size:.8rem;color:#e0e0e0}.control-btn.danger{padding:6px 14px;font-size:.8rem}#lobby h1{font-size:1.8rem}input[type=text]{width:260px}}