.app-container{height:98vh;width:99vw;margin:0 auto;background:#4a4a4a;color:#fff;display:grid}.join-screen{display:flex;flex-direction:column;gap:20px;align-items:center;justify-content:center;height:90vh;width:90vw}.join-screen input{padding:12px 20px;border-radius:25px;border:2px solid #4a4a4a;background:#2a2a2a;color:#fff;font-size:1.1rem;width:300px;text-align:center}.join-screen button{padding:12px 30px;border-radius:25px;border:none;background:#007aff;color:#fff;font-size:1.1rem;cursor:pointer;transition:all .3s ease}.join-screen button:hover{background:#0063cc;transform:translateY(-2px)}.room{display:grid;grid-template-rows:70px 1fr 150px;height:100%;width:100%;background:#999;position:relative}.main-controls{display:flex;gap:15px;padding:15px;align-items:center;justify-content:center;background:#000c;border-bottom:1px solid #333}.main-controls button{padding:10px 20px;border-radius:20px;border:none;background:#333;color:#fff;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:8px}.main-controls button.active{background:#007aff}.main-controls button:hover{background:#555}.main-controls button.end-call{background:#ff3b30}.main-controls button.end-call:hover{background:#cc2e25}.participant-profiles{display:flex;gap:15px;padding:15px;overflow-x:auto;background:#0000004d;border-top:1px solid #333}.participant-profile{position:relative;min-width:100px;height:100px;border-radius:10px;display:flex;align-items:center;justify-content:center;overflow:hidden;cursor:pointer;transition:all .3s ease;background:#333}.participant-profile.selected{border-color:#007aff;transform:scale(1.05)}.participant-profile:hover{transform:scale(1.05)}.participant-profile video{height:100%}.profile-avatar{display:flex;align-items:center;justify-content:center;height:100%;font-size:24px;background:linear-gradient(45deg,#007aff,#00c7ff)}.participant-id{position:absolute;bottom:5px;left:5px;background:#000000b3;padding:3px 8px;border-radius:5px;font-size:12px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#1a1a1a}::-webkit-scrollbar-thumb{background:#444;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#555}.video-container{position:relative;width:100%;height:70vh;background:#000}.screen-video{object-fit:contain;background:#000}.camera-video{object-fit:cover;background:#222}.screen-sharing-label{position:absolute;bottom:10px;left:10px;background:#000000b3;color:#fff;padding:5px 10px;border-radius:4px;font-size:14px}.profile{position:relative}.screen-indicator{position:absolute;top:-8px;right:-8px;background:#007aff;border-radius:50%;width:20px;height:20px;display:flex;align-items:center;justify-content:center;font-size:12px}.screen-indicator.active{background:#ff5722;animation:pulse 1.5s infinite}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.1)}to{transform:scale(1)}}.screen-sharing-label.local-label{position:absolute;bottom:10px;left:10px;background:#00000080;color:#fff;padding:5px 10px;border-radius:4px;font-size:14px}.no-video-placeholder{width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;background:#2d2d2d;color:#aaa;border-radius:8px}.placeholder-icon{font-size:48px;margin-bottom:10px}.placeholder-text{font-size:16px}.audio-visualizer-container{position:absolute;bottom:5px;left:0;right:0;display:flex;justify-content:center;padding:0 5px}.audio-visualizer{display:flex;align-items:flex-end;justify-content:center;height:100px;gap:2px;width:100%}.audio-visualizer .bar{width:4px;min-height:2px;background:linear-gradient(to top,#4a90e2,#5fa3ff);border-radius:2px 2px 0 0;transition:height .15s ease-out;animation:wave 1s infinite alternate}.audio-visualizer.talking .bar{background:linear-gradient(to top,#ff9500,#fa3)}@keyframes wave{0%{transform:scaleY(.8);opacity:.7}to{transform:scaleY(1);opacity:1}}.profile{position:relative;min-width:100px;height:100px;border-radius:10px;background:#333;display:flex;flex-direction:column;justify-content:center;align-items:center;overflow:hidden;cursor:pointer;transition:all .3s ease;box-shadow:0 3px 6px #00000029}.profile:hover{transform:translateY(-3px);box-shadow:0 5px 15px #0003}.profile.selected{border:2px solid #007aff;box-shadow:0 0 0 3px #007aff4d}.profile.talking{box-shadow:0 0 0 3px #ff950080}.participant-state{position:absolute;top:5px;right:5px;display:flex;gap:3px}.screen-indicator,.video-indicator{background:#000000b3;border-radius:50%;width:20px;height:20px;display:flex;align-items:center;justify-content:center;font-size:12px}.screen-indicator{background:#ff9500}.video-indicator{background:#007aff}.participant-profile{margin-top:auto;padding:5px;background:#000000b3;width:100%;text-align:center;font-size:12px;text-overflow:ellipsis;overflow:hidden;white-space:nowrap}.local-video,.remote-video{position:absolute;width:100%;height:100%;background:#000;display:block}.stream-label{position:absolute;bottom:0;left:0;right:0;background:#000000b3;color:#fff;padding:5px;font-size:12px;text-align:center}