:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:SF Pro,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#fff;color:#333;display:flex;justify-content:center;align-items:center;min-height:100vh}.app-container{max-width:1400px;margin:0 auto;padding:20px;min-height:100vh}header{text-align:center;margin-bottom:40px;color:#333}header h1{margin-top:40px;font-size:2.5rem;font-weight:700;margin-bottom:10px;text-shadow:none}header p{font-size:1.5rem;font-weight:700;margin-bottom:10px;text-shadow:none}.error-message{background:#ff6b6b;color:#fff;padding:15px 20px;border-radius:10px;margin-bottom:20px;text-align:center;box-shadow:0 4px 6px #0000001a}.controls{display:flex;justify-content:center;gap:20px;margin-bottom:30px}.control-btn{padding:14px 32px;border:none;border-radius:12px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 2px 8px #0000001f;min-width:180px}.start-btn{background:#e9ecef;color:#000;border:1px solid #ccc;border-radius:12px;min-width:224px}.start-btn:hover:not(.disabled){background:linear-gradient(45deg,#667eea,#668eea);transform:translateY(-2px);color:#fff;box-shadow:0 6px 20px #0000004d;min-width:224px}.stop-btn{background:#e9ecef;color:#000;border-radius:12px}.stop-btn:hover:not(.disabled){background:linear-gradient(45deg,#667eea,#668eea);transform:translateY(-2px);color:#fff;box-shadow:0 6px 20px #0000004d}.video-toggle-container{display:flex;align-items:center}.toggle-label{display:flex;align-items:center;gap:12px;font-weight:500;color:#333;cursor:pointer}.toggle-switch{position:relative;display:inline-block;width:60px;height:34px}.toggle-input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;inset:0;background-color:#ccc;transition:.4s;border-radius:34px}.toggle-slider:before{position:absolute;content:"";height:26px;width:26px;left:4px;bottom:4px;background-color:#fff;transition:.4s;border-radius:50%}.toggle-input:checked+.toggle-slider{background-color:#667eea}.toggle-input:checked+.toggle-slider:before{transform:translate(26px)}.toggle-slider:hover{box-shadow:0 2px 8px #0003}.options-dropdown{position:relative;display:inline-block}.options-btn{padding:14px 24px;border:2px solid #ccc;border-radius:12px;background:#fff;color:#333;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 2px 8px #0000001f;width:180px;display:flex;align-items:center;justify-content:center;gap:8px}.options-btn:hover{background:#f8f9fa;border-color:#adb5bd;transform:translateY(-2px);box-shadow:0 6px 20px #00000026}.dropdown-menu{position:absolute;top:100%;left:0;width:180px;background:#fff;border:1px solid #ddd;border-radius:12px;box-shadow:0 8px 25px #00000026;z-index:1000;overflow:hidden;margin-top:5px}.dropdown-item{padding:12px 16px;color:#666;font-size:.95rem;cursor:pointer;transition:all .2s ease}.dropdown-item:last-child{border-bottom:none}.dropdown-item:hover{background:#f8f9fa;color:#333}.dropdown-item.active{background:#667eea;color:#fff;font-weight:600}.dropdown-item.active:hover{background:#5a6fd8;color:#fff}.control-btn.disabled{opacity:.6;cursor:not-allowed;transform:none!important;pointer-events:none}.recording-indicator{display:flex;align-items:center;justify-content:center;gap:10px;background:#ffffff1a;color:#fff;padding:15px 30px;border-radius:50px;margin-bottom:30px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.pulse{width:12px;height:12px;background:#f44;border-radius:50%;animation:pulse 1.5s infinite}@keyframes pulse{0%{transform:scale(1);opacity:1}50%{transform:scale(1.2);opacity:.7}to{transform:scale(1);opacity:1}}.main-content{display:flex;flex-direction:column;gap:30px}.top-section{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-bottom:20px}@media (max-width: 1024px){.top-section{grid-template-columns:1fr}}.video-section,.transcript-section,.feedback-section{background:#fffffff2;border-radius:20px;padding:25px;box-shadow:0 8px 32px #0000001a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.feedback-section{min-height:400px;display:flex;flex-direction:column}.video-section h2,.transcript-section h2,.feedback-section h2{margin-bottom:20px;color:#333;font-size:1.5rem;border-bottom:3px solid #667eea;padding-bottom:10px}.video-container{position:relative;width:100%;height:400px;border-radius:15px;overflow:hidden;background:#f8f9fa;display:flex;align-items:center;justify-content:center}.presentation-video{width:100%;height:100%;object-fit:cover;border-radius:15px}.video-placeholder,.feedback-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:#666;text-align:center;flex:1}.placeholder-icon{font-size:3rem;margin-bottom:15px;opacity:.5}.video-placeholder p,.feedback-placeholder p{font-size:1.1rem;margin:0}.transcript-content{background:#f8f9fa;border-radius:10px;padding:20px;min-height:200px;max-height:400px;overflow-y:auto;line-height:1.6;font-size:1rem;border:2px solid #e9ecef}.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-bottom:20px}.metric-card{background:#fff;border-radius:15px;padding:20px;box-shadow:0 4px 15px #0000001a;border-left:5px solid #ddd;transition:transform .3s ease}.metric-card:hover{transform:translateY(-5px)}.metric-card.good{border-left-color:#4caf50}.metric-card.okay{border-left-color:#ff9800}.metric-card.needs_improvement{border-left-color:#f44336}.metric-card.too_slow,.metric-card.too_fast{border-left-color:#ff9800}.metric-card.positive{border-left-color:#4caf50}.metric-card.negative{border-left-color:#f44336}.metric-card.neutral{border-left-color:#2196f3}.metric-card.simple{border-left-color:#4caf50}.metric-card.moderate{border-left-color:#ff9800}.metric-card.complex{border-left-color:#f44336}.metric-card h3{color:#333;margin-bottom:10px;font-size:1.1rem}.metric-value{font-size:1.8rem;font-weight:700;color:#667eea;margin-bottom:10px}.metric-feedback{color:#666;line-height:1.5;font-size:.95rem}.live-feedback,.final-analysis{margin-bottom:25px}.live-feedback h3,.final-analysis h3{color:#333;margin-bottom:15px;font-size:1.3rem}.followup-questions{background:#f8f9fa;border-radius:10px;padding:20px;margin-top:20px}.followup-questions h4{color:#333;margin-bottom:15px;font-size:1.1rem}.followup-questions ul{list-style:none;padding:0}.followup-questions li{background:#fff;margin-bottom:10px;padding:15px;border-radius:8px;border-left:4px solid #2196f3;box-shadow:0 2px 5px #0000001a;line-height:1.5}.followup-questions li:last-child{margin-bottom:0}.qualitative-feedback-card{background:#667eea;color:#fff;border-radius:15px;padding:25px;margin-top:20px;box-shadow:0 8px 25px #667eea4d;grid-column:1 / -1}.qualitative-feedback-card h3{color:#fff;margin-bottom:15px;font-size:1.3rem;display:flex;align-items:center;gap:10px}.feedback-content{background:#ffffff1a;border-radius:10px;padding:20px;line-height:1.6;font-size:1rem;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);border:1px solid rgba(255,255,255,.2)}.error-note{margin-top:15px;padding:10px;background:#ffc10733;border-radius:5px;border-left:3px solid #ffc107;font-size:.9rem;color:#fff3cd}.ai-feedback-text{line-height:1.7;font-size:1rem}.feedback-point{margin:12px 0;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.1);font-weight:500}.feedback-point:last-child{border-bottom:none}.feedback-text{margin:8px 0;line-height:1.6}.loading-feedback{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;text-align:center}.loading-dots{display:flex;gap:8px;margin-bottom:15px}.loading-dots span{width:12px;height:12px;border-radius:50%;background:#667eea;animation:loading-bounce 1.4s ease-in-out both infinite}.loading-dots span:nth-child(1){animation-delay:-.32s}.loading-dots span:nth-child(2){animation-delay:-.16s}.loading-dots span:nth-child(3){animation-delay:0s}.loading-feedback p{color:#666;font-size:1rem;margin:0}@keyframes loading-bounce{0%,80%,to{transform:scale(.8);opacity:.5}40%{transform:scale(1.2);opacity:1}}.transcript-content::-webkit-scrollbar{width:8px}.transcript-content::-webkit-scrollbar-track{background:#f1f1f1;border-radius:4px}.transcript-content::-webkit-scrollbar-thumb{background:#667eea;border-radius:4px}.transcript-content::-webkit-scrollbar-thumb:hover{background:#5a6fd8}.vision-metrics{background:#fffffff2;border-radius:20px;padding:25px;box-shadow:0 8px 32px #0000001a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);margin-top:20px}.vision-metrics h3{margin-bottom:20px;color:#333;font-size:1.5rem;border-bottom:3px solid #667eea;padding-bottom:10px;display:flex;justify-content:space-between;align-items:center}.analysis-status{font-size:.8rem;font-weight:400;padding:4px 8px;border-radius:12px;margin-left:10px}.analysis-status.active{background:#4caf501a;color:#4caf50;border:1px solid rgba(76,175,80,.3)}.analysis-status.frozen{background:#9e9e9e1a;color:#9e9e9e;border:1px solid rgba(158,158,158,.3)}.vision-metrics .metrics-row{display:flex;gap:20px;margin-bottom:20px}.vision-metrics .metric-card{background:#fff;border-radius:15px;padding:20px;box-shadow:0 4px 15px #0000001a;border-left:5px solid #667eea;flex:1}.vision-metrics .metric-card h4{color:#333;margin-bottom:10px;font-size:1.1rem}.vision-metrics .metric-value{font-size:2rem;font-weight:700;color:#667eea;margin-bottom:10px}.vision-metrics .metric-details p{margin:5px 0;color:#666;font-size:.95rem}.vision-feedback{background:#667eea;color:#fff;border-radius:15px;padding:20px;margin-top:15px}.vision-feedback h4{color:#fff;margin-bottom:15px;font-size:1.2rem}.feedback-tips{display:flex;flex-direction:column;gap:10px}.feedback-tips .tip{background:#ffffff1a;border-radius:8px;padding:10px 15px;margin:0;font-size:.9rem;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);border:1px solid rgba(255,255,255,.2)}.feedback-tips .tip.warning{border-left:4px solid #ffc107}.feedback-tips .tip.info{border-left:4px solid #17a2b8}.feedback-tips .tip.success{border-left:4px solid #28a745}@media (max-width: 768px){.app-container{text-align:center;max-width:1200px;width:100%;padding:15px}.vision-metrics .metrics-row{flex-direction:column;gap:15px}header h1{font-size:2rem}.controls{flex-direction:column;align-items:center}.control-btn{width:100%;max-width:300px}.metrics-grid{grid-template-columns:1fr}.video-container{height:300px}.top-section{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:30px;margin-bottom:20px}}