*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,sans-serif;background:#f0f2f5}.app{max-width:500px;margin:0 auto;height:100vh;display:flex;flex-direction:column;background:#fff;box-shadow:0 0 20px #0000001a}header{background:#075e54;color:#fff;padding:15px;text-align:center}header h1{font-size:20px}.tabs{display:flex;margin-top:10px}.tabs button{flex:1;padding:10px;background:#128c7e;border:none;color:#fff;font-weight:700}.tabs button.active{background:#25d366}.vision{flex:1;position:relative;background:#000}.vision video{width:100%;height:100%;object-fit:cover}.camera-controls{position:absolute;top:10px;right:10px;z-index:10}.camera-controls button{background:#00000080;color:#fff;border:none;padding:8px 12px;border-radius:20px;font-size:12px}.speech-bubble{position:absolute;bottom:80px;left:50%;transform:translate(-50%);background:#fff;padding:15px 20px;border-radius:20px;max-width:80%;box-shadow:0 5px 15px #0000004d}.speech-bubble:after{content:"";position:absolute;bottom:-10px;left:50%;transform:translate(-50%);border:10px solid transparent;border-top-color:#fff}.wake-feedback{background:#25d366;color:#fff}.wake-feedback:after{border-top-color:#25d366}.chat{flex:1;display:flex;flex-direction:column}.messages{flex:1;padding:10px;overflow-y:auto}.messages .user{text-align:right;margin:5px 10px}.messages .assistant{text-align:left;margin:5px 10px}.bubble{display:inline-block;padding:10px 15px;border-radius:18px;max-width:80%}.user .bubble{background:#dcf8c6}.assistant .bubble{background:#fff;border:1px solid #e5e5ea}.input-bar{display:flex;padding:10px;background:#f0f0f0}.input-bar input{flex:1;padding:12px;border:none;border-radius:25px}.input-bar button{margin-left:10px;background:#25d366;color:#fff;border:none;padding:0 20px;border-radius:25px}.input-bar button:disabled{opacity:.6}.live{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.globe{width:120px;height:120px;background:#fff3;border-radius:50%;position:relative;margin:20px}.globe.speaking .wave{animation:pulse 1.5s infinite}.wave{position:absolute;width:100%;height:100%;border:4px solid rgba(255,255,255,.5);border-radius:50%;opacity:0}.wave:nth-child(1){animation:pulse 1.5s infinite}.wave:nth-child(2){animation:pulse 1.5s .3s infinite}.wave:nth-child(3){animation:pulse 1.5s .6s infinite}@keyframes pulse{0%{transform:scale(.8);opacity:1}to{transform:scale(1.8);opacity:0}}.live button{margin:10px;padding:15px 30px;background:#fff;color:#667eea;border:none;border-radius:30px;font-weight:700}.live-text{margin-top:20px;font-size:18px;text-align:center;padding:0 20px}.speaking-indicator{display:flex;gap:4px;margin-top:8px;justify-content:center}.speaking-indicator span{width:4px;height:12px;background:#25d366;border-radius:2px;animation:wave 1.2s infinite}.speaking-indicator span:nth-child(2){animation-delay:.2s}.speaking-indicator span:nth-child(3){animation-delay:.4s}@keyframes wave{0%,to{transform:scaleY(1)}50%{transform:scaleY(2)}}