*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f0f13;--surface: #1a1a24;--surface2: #22222f;--border: #2e2e3e;--accent: #6c63ff;--accent-hover: #7d75ff;--danger: #e05a5a;--danger-hover: #ec6e6e;--success: #4caf7d;--text: #e8e8f0;--text-muted: #888899;--radius: 12px}html,body{height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:15px}#app{height:100%;display:flex;flex-direction:column}.landing{flex:1;display:flex;align-items:center;justify-content:center;padding:24px}.landing-card{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:48px 40px;width:100%;max-width:420px;display:flex;flex-direction:column;gap:32px;box-shadow:0 24px 64px #00000080}.landing-title{text-align:center}.landing-title h1{font-size:2rem;font-weight:700;letter-spacing:-.5px;color:var(--text)}.landing-title p{color:var(--text-muted);margin-top:8px;font-size:.9rem}.divider{display:flex;align-items:center;gap:12px;color:var(--text-muted);font-size:.8rem}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--border)}.join-form{display:flex;flex-direction:column;gap:10px}input.room-input{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);padding:12px 16px;color:var(--text);font-size:.85rem;font-family:Courier New,monospace;width:100%;outline:none;transition:border-color .2s}input.room-input::placeholder{color:var(--text-muted)}input.room-input:focus{border-color:var(--accent)}button{cursor:pointer;border:none;border-radius:var(--radius);font-size:.9rem;font-weight:600;padding:12px 20px;transition:background .15s,transform .1s}button:active{transform:scale(.97)}.btn-primary{background:var(--accent);color:#fff;width:100%}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--surface2);color:var(--text);border:1px solid var(--border);width:100%}.btn-secondary:hover{background:var(--border)}.room{flex:1;display:flex;flex-direction:column;overflow:hidden}.room-header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0}.room-id-block{display:flex;align-items:center;gap:10px}.room-id-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.room-id-value{font-family:Courier New,monospace;font-size:.8rem;color:var(--text);background:var(--surface2);padding:4px 10px;border-radius:6px;border:1px solid var(--border);max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.btn-copy{background:var(--surface2);border:1px solid var(--border);color:var(--text-muted);padding:6px 12px;font-size:.75rem;border-radius:8px}.btn-copy:hover{color:var(--text);border-color:var(--accent)}.btn-copy.copied{color:var(--success);border-color:var(--success)}.peer-count{font-size:.8rem;color:var(--text-muted)}.video-grid{flex:1;overflow-y:auto;padding:16px;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px;align-content:start}.video-grid.solo{grid-template-columns:1fr;max-width:720px;margin:0 auto;width:100%}.video-tile{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;aspect-ratio:16/9}.video-tile video{width:100%;height:100%;object-fit:cover;display:block}.video-tile.screen-tile{aspect-ratio:16/9;grid-column:1 / -1}.tile-label{position:absolute;bottom:8px;left:10px;background:#0000008c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);color:#fff;font-size:.75rem;padding:3px 8px;border-radius:6px;pointer-events:none}.tile-muted{position:absolute;top:8px;right:8px;background:#e05a5ad9;color:#fff;font-size:.7rem;padding:3px 7px;border-radius:6px;pointer-events:none;display:none}.tile-muted.visible{display:block}.video-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:3rem;background:var(--surface2);color:var(--text-muted)}.controls{display:flex;align-items:center;justify-content:center;gap:12px;padding:16px;background:var(--surface);border-top:1px solid var(--border);flex-shrink:0}.ctrl-btn{display:flex;flex-direction:column;align-items:center;gap:4px;background:var(--surface2);border:1px solid var(--border);color:var(--text);padding:10px 18px;border-radius:var(--radius);min-width:72px;font-size:.7rem;transition:background .15s,border-color .15s,color .15s}.ctrl-btn:hover{background:var(--border)}.ctrl-btn svg{width:22px;height:22px}.ctrl-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.ctrl-btn.muted{background:#e05a5a33;border-color:var(--danger);color:var(--danger)}.ctrl-btn.leave{background:#e05a5a26;border-color:var(--danger);color:var(--danger)}.ctrl-btn.leave:hover{background:var(--danger);color:#fff}.status-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f0f13d9;display:flex;align-items:center;justify-content:center;z-index:100;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.status-box{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:40px 48px;text-align:center;max-width:360px}.status-box h2{font-size:1.1rem;margin-bottom:8px}.status-box p{color:var(--text-muted);font-size:.85rem}.spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;margin:0 auto 20px}@keyframes spin{to{transform:rotate(360deg)}}.toast{position:fixed;bottom:90px;left:50%;transform:translate(-50%) translateY(20px);background:var(--surface2);border:1px solid var(--border);color:var(--text);padding:10px 20px;border-radius:10px;font-size:.85rem;opacity:0;transition:opacity .25s,transform .25s;pointer-events:none;z-index:200;white-space:nowrap}.toast.show{opacity:1;transform:translate(-50%) translateY(0)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}