*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #1a1a2e;--bg-secondary: #16213e;--bg-tertiary: #0f3460;--bg-surface: #1e1e3a;--text-primary: #ffffff;--text-secondary: #a0a0c0;--border-color: #2a2a4a;--accent: #e94560;--accent-hover: #c73652;--success: #4caf50;--warning: #ff9800;--danger: #f44336;--danger-hover: #d32f2f}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);font-size:14px;line-height:1.5}#root{height:100%}button{cursor:pointer;border:none;border-radius:6px;font-size:14px;font-weight:500;padding:8px 16px;transition:background-color .15s ease,opacity .15s ease;display:inline-flex;align-items:center;justify-content:center;gap:6px}button:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--accent-hover)}.btn-secondary{background-color:var(--bg-tertiary);color:var(--text-primary)}.btn-secondary:hover:not(:disabled){background-color:#1a4a80}.btn-danger{background-color:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background-color:var(--danger-hover)}.btn-ghost{background-color:transparent;color:var(--text-primary);border:1px solid var(--border-color)}.btn-ghost:hover:not(:disabled){background-color:var(--bg-surface)}.btn-icon{width:44px;height:44px;padding:0;border-radius:50%;font-size:18px}input[type=text],input[type=password]{background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:6px;color:var(--text-primary);font-size:14px;padding:10px 12px;width:100%;outline:none;transition:border-color .15s ease}input[type=text]:focus,input[type=password]:focus{border-color:var(--accent)}input[type=text]::placeholder,input[type=password]::placeholder{color:var(--text-secondary)}label{display:block;color:var(--text-secondary);font-size:12px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;margin-bottom:6px}.join-wrapper{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px}.join-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;padding:40px;width:100%;max-width:440px}.join-card h1{font-size:24px;font-weight:700;margin-bottom:8px;color:var(--text-primary)}.join-card .subtitle{color:var(--text-secondary);margin-bottom:32px;font-size:14px}.form-group{margin-bottom:20px}.form-row{display:flex;gap:12px;align-items:flex-start}.checkbox-group{display:flex;align-items:center;gap:8px;cursor:pointer}.checkbox-group input[type=checkbox]{width:16px;height:16px;accent-color:var(--accent);cursor:pointer}.checkbox-group span{color:var(--text-primary);font-size:14px;-webkit-user-select:none;user-select:none}.join-submit{width:100%;padding:12px;font-size:15px;margin-top:8px}.error-banner{background-color:#f4433626;border:1px solid rgba(244,67,54,.4);border-radius:6px;color:#ff6b6b;font-size:13px;padding:10px 14px;margin-bottom:20px}.call-layout{height:100%;display:flex;flex-direction:column;background-color:var(--bg-primary);overflow:hidden}.call-header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);flex-shrink:0}.call-header h2{font-size:15px;font-weight:600}.call-header .room-badge{background-color:var(--bg-tertiary);border-radius:4px;color:var(--text-secondary);font-family:monospace;font-size:12px;padding:3px 8px}.status-badge{border-radius:4px;font-size:11px;font-weight:600;letter-spacing:.05em;padding:3px 8px;text-transform:uppercase}.status-badge.connecting{background-color:#ff980033;color:var(--warning)}.status-badge.connected{background-color:#4caf5033;color:var(--success)}.status-badge.reconnecting{background-color:#ff980033;color:var(--warning)}.status-badge.disconnected,.status-badge.failed{background-color:#f4433633;color:var(--danger)}.status-badge.idle{background-color:#a0a0c026;color:var(--text-secondary)}.call-body{flex:1;display:flex;overflow:hidden;min-height:0}.call-main{flex:1;display:flex;flex-direction:column;min-width:0;overflow:hidden}.video-grid{flex:1;padding:16px;display:grid;gap:12px;overflow:hidden;align-content:start}.video-grid.count-1,.video-grid.count-2{grid-template-columns:1fr}.video-grid.count-3,.video-grid.count-4{grid-template-columns:repeat(2,1fr)}.video-grid.count-5,.video-grid.count-6,.video-grid.count-7,.video-grid.count-8,.video-grid.count-9{grid-template-columns:repeat(3,1fr)}.video-tile{position:relative;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:10px;overflow:hidden;aspect-ratio:16 / 9;display:flex;align-items:center;justify-content:center}.video-tile video{width:100%;height:100%;object-fit:cover;display:block}.video-tile .tile-label{position:absolute;bottom:10px;left:10px;background-color:#0009;border-radius:4px;color:#fff;font-size:12px;font-weight:500;padding:3px 8px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);max-width:calc(100% - 20px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.video-tile .quality-dot{position:absolute;top:10px;right:10px;width:10px;height:10px;border-radius:50%;border:2px solid rgba(0,0,0,.4)}.quality-dot.good{background-color:var(--success)}.quality-dot.fair{background-color:var(--warning)}.quality-dot.poor{background-color:var(--danger)}.quality-dot.unknown{background-color:var(--text-secondary)}.video-tile .no-video-avatar{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--text-secondary)}.no-video-avatar .avatar-circle{width:56px;height:56px;border-radius:50%;background-color:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;color:var(--text-primary)}.no-video-avatar .avatar-name{font-size:12px}.controls-bar{display:flex;align-items:center;justify-content:center;gap:12px;padding:16px 20px;background-color:var(--bg-secondary);border-top:1px solid var(--border-color);flex-shrink:0}.controls-bar .btn-icon.active{background-color:var(--bg-tertiary)}.controls-bar .btn-icon.inactive{background-color:#f4433633;border:1px solid rgba(244,67,54,.4);color:#ff6b6b}.chat-btn-wrapper{position:relative}.unread-badge{position:absolute;top:-4px;right:-4px;background-color:var(--accent);border-radius:50%;color:#fff;font-size:10px;font-weight:700;min-width:18px;height:18px;display:flex;align-items:center;justify-content:center;padding:0 4px;pointer-events:none}.chat-panel{width:300px;background-color:var(--bg-secondary);border-left:1px solid var(--border-color);display:flex;flex-direction:column;flex-shrink:0;overflow:hidden;transition:width .2s ease}.chat-panel.closed{width:0;border-left:none}.chat-panel-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border-color);flex-shrink:0}.chat-panel-header h3{font-size:14px;font-weight:600}.chat-panel-header button{background:none;border:none;color:var(--text-secondary);font-size:18px;line-height:1;padding:0;width:auto;height:auto;border-radius:0}.chat-panel-header button:hover{color:var(--text-primary)}.chat-messages{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:10px;min-height:0}.chat-messages::-webkit-scrollbar{width:4px}.chat-messages::-webkit-scrollbar-track{background:transparent}.chat-messages::-webkit-scrollbar-thumb{background-color:var(--border-color);border-radius:2px}.chat-empty{text-align:center;color:var(--text-secondary);font-size:13px;margin-top:40px}.chat-message{background-color:var(--bg-surface);border-radius:8px;padding:8px 10px}.chat-message .msg-meta{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:4px}.chat-message .msg-sender{font-size:12px;font-weight:600;color:var(--accent)}.chat-message .msg-time{font-size:11px;color:var(--text-secondary)}.chat-message .msg-content{font-size:13px;color:var(--text-primary);word-break:break-word;line-height:1.4}.chat-input-area{display:flex;gap:8px;padding:12px;border-top:1px solid var(--border-color);flex-shrink:0}.chat-input-area input{flex:1;padding:8px 10px;font-size:13px}.chat-input-area button{padding:8px 14px;font-size:13px;flex-shrink:0}.connecting-overlay{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:var(--text-secondary)}.connecting-overlay .spinner{width:40px;height:40px;border:3px solid var(--border-color);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.connecting-overlay p{font-size:15px}.error-view{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:#ff6b6b;text-align:center;padding:24px}.error-view .error-icon{font-size:40px}.error-view p{font-size:14px;max-width:360px}.divider{border:none;border-top:1px solid var(--border-color);margin:24px 0}.optional-tag{color:var(--text-secondary);font-size:11px;font-weight:400;text-transform:none;letter-spacing:0}