:root{--bg-primary: #0a0a0f;--bg-secondary: #12121a;--bg-tertiary: #1a1a25;--bg-card: #16161f;--bg-hover: #22222e;--text-primary: #ffffff;--text-secondary: #a0a0b0;--text-muted: #6a6a7a;--accent-primary: #6366f1;--accent-secondary: #8b5cf6;--accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);--success: #22c55e;--warning: #f59e0b;--danger: #ef4444;--border-color: rgba(255, 255, 255, .08);--border-glow: rgba(99, 102, 241, .3);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px rgba(99, 102, 241, .3);--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%;width:100%}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--bg-hover)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;font-size:15px;font-weight:500;border-radius:var(--radius-md);border:none;cursor:pointer;transition:all .2s ease;text-decoration:none}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:var(--shadow-glow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 30px #6366f166}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-hover);border-color:var(--border-glow)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.btn-icon{width:44px;height:44px;padding:0;border-radius:50%}.input{width:100%;padding:14px 18px;font-size:15px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);transition:all .2s ease}.input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #6366f11a}.input::placeholder{color:var(--text-muted)}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px}.landing{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;background:radial-gradient(ellipse at top,rgba(99,102,241,.1) 0%,transparent 50%),radial-gradient(ellipse at bottom right,rgba(139,92,246,.08) 0%,transparent 50%),var(--bg-primary)}.landing-content{max-width:480px;width:100%;text-align:center}.logo{font-size:48px;margin-bottom:16px}.landing h1{font-size:42px;font-weight:700;margin-bottom:12px;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.landing .tagline{font-size:18px;color:var(--text-secondary);margin-bottom:40px}.action-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:32px;margin-bottom:24px}.action-card h2{font-size:20px;font-weight:600;margin-bottom:16px}.input-group{display:flex;gap:12px;margin-bottom:16px}.input-group .input{flex:1}.divider{display:flex;align-items:center;gap:16px;margin:24px 0;color:var(--text-muted)}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--border-color)}.room{height:100vh;display:flex;flex-direction:column;background:var(--bg-primary)}.room-header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:var(--bg-secondary);border-bottom:1px solid var(--border-color)}.room-info{display:flex;align-items:center;gap:12px}.room-name{font-size:18px;font-weight:600}.room-id{font-size:13px;color:var(--text-muted);background:var(--bg-tertiary);padding:4px 10px;border-radius:var(--radius-sm)}.room-controls{display:flex;align-items:center;gap:8px}.room-body{flex:1;display:flex;overflow:hidden}.screens-area{flex:1;display:flex;flex-wrap:wrap;padding:16px;gap:16px;overflow:auto;align-content:flex-start}.screen-tile{flex:1 1 calc(50% - 16px);min-width:300px;max-width:100%;aspect-ratio:16/9;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);overflow:hidden;position:relative;display:flex;align-items:center;justify-content:center}.screen-tile video{width:100%;height:100%;object-fit:contain;background:#000}.screen-tile.single{flex:1;max-width:none}.screen-label{position:absolute;bottom:12px;left:12px;background:#000000b3;padding:6px 12px;border-radius:var(--radius-sm);font-size:13px;display:flex;align-items:center;gap:8px}.screen-placeholder{text-align:center;color:var(--text-muted)}.screen-placeholder svg{width:64px;height:64px;margin-bottom:16px;opacity:.5}.sidebar{width:320px;background:var(--bg-secondary);border-left:1px solid var(--border-color);display:flex;flex-direction:column}.sidebar-tabs{display:flex;border-bottom:1px solid var(--border-color)}.sidebar-tab{flex:1;padding:14px;text-align:center;font-size:14px;font-weight:500;color:var(--text-secondary);background:none;border:none;cursor:pointer;transition:all .2s}.sidebar-tab.active{color:var(--text-primary);background:var(--bg-tertiary)}.sidebar-content{flex:1;overflow-y:auto;padding:16px}.participant-item{display:flex;align-items:center;gap:12px;padding:12px;border-radius:var(--radius-md);margin-bottom:8px;background:var(--bg-tertiary)}.participant-avatar{width:36px;height:36px;border-radius:50%;background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px}.participant-info{flex:1}.participant-name{font-weight:500;font-size:14px}.participant-status{font-size:12px;color:var(--text-muted)}.status-indicator{width:8px;height:8px;border-radius:50%;background:var(--success)}.status-indicator.speaking{background:var(--accent-primary);animation:pulse 1s infinite}@keyframes pulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.2);opacity:.7}}.chat-messages{flex:1;overflow-y:auto;padding:16px}.chat-message{margin-bottom:16px}.chat-message-header{display:flex;align-items:center;gap:8px;margin-bottom:4px}.chat-message-sender{font-weight:500;font-size:14px}.chat-message-time{font-size:12px;color:var(--text-muted)}.chat-message-content{font-size:14px;color:var(--text-secondary);line-height:1.5}.chat-input-area{padding:16px;border-top:1px solid var(--border-color)}.chat-input-area .input{margin-bottom:8px}.control-bar{display:flex;align-items:center;justify-content:center;gap:12px;padding:16px;background:var(--bg-secondary);border-top:1px solid var(--border-color)}.control-btn{width:52px;height:52px;border-radius:50%;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;background:var(--bg-tertiary);color:var(--text-primary)}.control-btn:hover{background:var(--bg-hover);transform:scale(1.05)}.control-btn.active{background:var(--accent-gradient);box-shadow:var(--shadow-glow)}.control-btn.danger{background:var(--danger)}.control-btn.danger:hover{background:#dc2626}.control-btn svg{width:24px;height:24px}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);text-align:center;padding:40px}.empty-state svg{width:80px;height:80px;margin-bottom:20px;opacity:.4}.empty-state h3{font-size:20px;color:var(--text-secondary);margin-bottom:8px}.empty-state p{font-size:14px;max-width:280px}@media (max-width: 768px){.sidebar{position:fixed;right:0;top:0;bottom:0;z-index:100;transform:translate(100%);transition:transform .3s ease}.sidebar.open{transform:translate(0)}.screen-tile{flex:1 1 100%}.landing h1{font-size:32px}.action-card{padding:24px}.input-group{flex-direction:column}}