: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:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#1a1a2e;color:#e0e0e0;padding:2rem}.app{max-width:1200px;margin:0 auto}h1{text-align:center;margin-bottom:2rem;color:#4a9eff}.permission-container{display:flex;justify-content:center;align-items:center;min-height:80vh}.permission-card{background:#2a2a4a;padding:3rem;border-radius:16px;border:2px solid #4a9eff;max-width:600px;text-align:center;box-shadow:0 10px 30px #00000080}.permission-icon{display:flex;justify-content:center;gap:2rem;margin:2rem 0;font-size:4rem}.icon-video,.icon-audio{background:#4a9eff;width:80px;height:80px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2.5rem}.permission-text{font-size:1.1rem;line-height:1.6;margin-bottom:2rem;color:#e0e0e0}.permission-btn{padding:1rem 2.5rem;font-size:1.2rem;font-weight:600;border:none;border-radius:12px;background:#4a9eff;color:#fff;cursor:pointer;transition:all .3s;margin-bottom:1.5rem;width:100%}.permission-btn:hover{background:#3a8eef;transform:scale(1.05);box-shadow:0 5px 15px #4a9eff66}.permission-btn:active{transform:scale(.98)}.permission-error{background:#ff47571a;border:2px solid #ff4757;padding:1rem 1.5rem;border-radius:8px;margin-bottom:1.5rem;font-weight:500}.permission-info{text-align:left;margin-top:2rem;padding-top:2rem;border-top:2px solid #3a3a5a}.permission-info p{margin-bottom:.5rem;color:#4a9eff}.permission-info ul{list-style:none;margin:1rem 0;padding:0}.permission-info li{margin-bottom:.75rem;line-height:1.6}.permission-info li strong{color:#e0e0e0}.controls{display:flex;gap:1rem;margin-bottom:2rem;flex-wrap:wrap;justify-content:center}.control-group{display:flex;flex-direction:column;gap:.5rem}.control-group label{font-weight:500;color:#4a9eff}.control-group select{padding:.75rem;border:2px solid #4a9eff;border-radius:8px;background:#2a2a4a;color:#e0e0e0;font-size:1rem;cursor:pointer;min-width:250px}.control-group select:hover{background:#3a3a5a}.control-group select:focus{outline:none;box-shadow:0 0 0 3px #4a9eff4d}.audio-visualizer{background:#2a2a4a;padding:1.5rem;border-radius:12px;margin-bottom:2rem;border:2px solid #4a9eff}.audio-visualizer label{display:block;font-weight:600;color:#4a9eff;margin-bottom:1rem}.audio-level-bar{width:100%;height:24px;background:#1a1a2e;border-radius:12px;overflow:hidden;margin-bottom:.75rem}.audio-level-fill{height:100%;background:linear-gradient(90deg,#4a9eff,#2337ff);border-radius:12px;transition:width .1s ease-out}.audio-status{display:flex;justify-content:space-between;align-items:center}.audio-status strong{color:#e0e0e0;font-size:1.1rem}.audio-percentage{background:#4a9eff;color:#fff;padding:.25rem .75rem;border-radius:6px;font-weight:600;font-size:.9rem}.visualizer-container{margin-bottom:2rem;display:flex;justify-content:center}.audio-canvas{width:100%;max-width:600px;height:100px;background:#1a1a2e;border-radius:12px;border:2px solid #4a9eff}.video-container{position:relative;margin-bottom:2rem;display:flex;justify-content:center}.video-container video{width:100%;max-width:1000px;border-radius:12px;box-shadow:0 10px 30px #00000080}.fullscreen-btn{position:absolute;top:1rem;right:1rem;padding:.75rem 1.5rem;background:#4a9eff;color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:1rem;font-weight:500;transition:background .3s}.fullscreen-btn:hover{background:#3a8eef}.recording-controls{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.record-btn{padding:1rem 2rem;font-size:1.2rem;font-weight:600;border:none;border-radius:8px;cursor:pointer;transition:all .3s;min-width:150px}.record-btn{background:#4a9eff;color:#fff}.record-btn:hover{background:#3a8eef;transform:scale(1.05)}.record-btn.recording{background:#ff4757;animation:pulse 1s infinite}.record-btn.recording:hover{background:#ff3838}@keyframes pulse{0%{box-shadow:0 0 #ff4757b3}70%{box-shadow:0 0 0 10px #ff475700}to{box-shadow:0 0 #ff475700}}.recorded-section{margin-top:2rem;padding:2rem;background:#2a2a4a;border-radius:12px;border:2px solid #4a9eff}.recorded-section h3{text-align:center;color:#4a9eff;margin-bottom:1rem}.recorded-section .preview-video{width:100%;max-width:600px;border-radius:8px;margin-bottom:1rem;display:block;margin-left:auto;margin-right:auto}.download-btn{padding:.75rem 1.5rem;background:#4a9eff;color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:1rem;font-weight:500;transition:background .3s}.download-btn:hover{background:#3a8eef}@media(max-width:768px){body{padding:1rem}h1{font-size:1.5rem}.controls{flex-direction:column}.control-group select{width:100%;min-width:auto}.video-container video{max-width:100%}.recording-controls{flex-direction:column}.audio-canvas{height:60px}.permission-card{padding:2rem;margin:1rem}.permission-icon{font-size:3rem;gap:1rem}.icon-video,.icon-audio{width:60px;height:60px;font-size:2rem}}