: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;justify-content:center;align-items:flex-start;min-width:320px;min-height:100vh;padding-top:2rem}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}}.app{max-width:100vw;margin:0 auto;padding:2rem;text-align:center;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.app h1{color:#333;margin-bottom:2rem}.upload-section{display:flex;flex-direction:column;gap:1rem;align-items:center;margin-bottom:2rem}.select-file-btn,.upload-btn{padding:12px 24px;border:none;border-radius:6px;font-size:16px;cursor:pointer;transition:background-color .2s;min-width:200px}.select-file-btn{background-color:#f0f0f0;color:#333;border:2px solid #ddd}.select-file-btn:hover:not(:disabled){background-color:#e0e0e0}.upload-btn{background-color:#007bff;color:#fff}.upload-btn:hover:not(:disabled){background-color:#0056b3}.select-file-btn:disabled,.upload-btn:disabled{opacity:.6;cursor:not-allowed}.message{padding:12px 16px;border-radius:6px;margin-top:1rem;font-weight:500}.message.success{background-color:#d4edda;color:#155724;border:1px solid #c3e6cb}.message.error{background-color:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.game-layout{display:flex;justify-content:center;margin-top:2rem}.game-section{padding:1.5rem;background-color:#f8f9fa;border:1px solid #dee2e6;border-radius:8px;display:flex;flex-direction:column;align-items:center;width:100%;max-width:80%;position:relative;box-sizing:border-box}.game-header{display:flex;align-items:center;justify-content:center;gap:2rem;margin-bottom:1rem;width:100%}.game-section h3{margin:0;color:#333;text-align:center}.round-indicator{padding:8px 16px;background-color:#007bff;color:#fff;border-radius:20px;font-size:14px;font-weight:500;white-space:nowrap;box-shadow:0 2px 4px #007bff33}.game-controls{position:absolute;bottom:10rem;left:1rem;right:1rem;padding:1rem;background-color:#0000004d;border-radius:8px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:15;transform:translateY(100%);opacity:0;transition:all .4s ease-in-out;pointer-events:none}.game-controls.show{transform:translateY(0);opacity:1;pointer-events:auto}.playback-controls{display:flex;align-items:center;gap:1rem;width:100%}.playback-btn{width:50px;height:50px;border:none;border-radius:50%;font-size:20px;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}.playback-btn.play{background-color:#28a745;color:#fff}.playback-btn.play:hover{background-color:#218838;transform:scale(1.05)}.playback-btn.pause{background-color:#dc3545;color:#fff}.playback-btn.pause:hover{background-color:#c82333;transform:scale(1.05)}.progress-container{flex:1}.progress-bar{width:100%;height:20px;background-color:#e9ecef;border-radius:10px;cursor:pointer;position:relative;overflow:hidden;border:1px solid #dee2e6}.progress-bar:hover{background-color:#dee2e6}.progress-shadow{height:100%;background:linear-gradient(90deg,#007bff4d,#0056b34d);border-radius:10px;transition:width .2s ease;position:absolute;top:0;left:0;z-index:1}.progress-fill{height:100%;background:linear-gradient(90deg,#007bff,#0056b3);border-radius:10px;transition:width .1s ease;position:relative;z-index:2}.progress-fill:after{content:"";position:absolute;top:0;right:0;width:2px;height:100%;background-color:#fff;border-radius:1px}.round-selector{margin:1rem 0;padding:1rem;background-color:#fff;border:2px solid #007bff;border-radius:8px;position:relative;z-index:5;height:120px;display:flex;flex-direction:column;width:100%;max-width:100%;box-sizing:border-box}.round-selector h4{margin-top:0;margin-bottom:1rem;color:#007bff;font-size:1.1em;text-align:center;flex-shrink:0}.round-selector-container{display:flex;align-items:center;gap:.5rem;flex:1;min-height:0}.scroll-btn{flex-shrink:0;width:40px;height:40px;border:2px solid #007bff;background-color:#fff;color:#007bff;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;transition:all .2s}.scroll-btn:not(:disabled):hover{background-color:#007bff;color:#fff;transform:scale(1.1)}.scroll-btn:disabled{opacity:.4;cursor:not-allowed;transform:none}.round-buttons-container{flex:1;overflow-x:auto;overflow-y:hidden;scrollbar-width:none;-ms-overflow-style:none;height:50px;display:flex;align-items:center;max-width:100%}.round-buttons-container::-webkit-scrollbar{display:none}.round-buttons{display:flex;gap:.5rem;padding:.25rem 0;min-width:max-content;height:100%;align-items:center;white-space:nowrap}.round-btn{flex-shrink:0;width:50px;height:40px;border:2px solid #dee2e6;background-color:#fff;color:#495057;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s;display:flex;align-items:center;justify-content:center}.round-btn:not(:disabled):hover{border-color:#007bff;color:#007bff;transform:translateY(-1px);box-shadow:0 2px 4px #007bff33}.round-btn.selected{background-color:#007bff;border-color:#007bff;color:#fff;box-shadow:0 2px 8px #007bff4d}.round-btn.selected:not(:disabled):hover{background-color:#0056b3;border-color:#0056b3;color:#fff}.round-btn:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}@media(max-width:768px){.app,.game-section{padding:1rem}.game-controls{padding:.75rem}.playback-btn{width:45px;height:45px;font-size:18px}.round-selector{height:100px}.round-selector-container{gap:.25rem}.round-buttons-container{height:40px}.scroll-btn{width:35px;height:35px;font-size:16px}.round-btn{width:45px;height:35px;font-size:13px}}@media(max-width:480px){.app,.game-section,.game-controls{padding:.5rem}.playback-btn{width:40px;height:40px;font-size:16px}.progress-bar{height:24px}.round-selector{height:90px}.round-buttons-container{height:35px}}@media(max-width:768px){.app,.game-section{padding:1rem}.round-selector-container{gap:.25rem}.scroll-btn{width:35px;height:35px;font-size:16px}.round-btn{width:45px;height:35px;font-size:13px}}@media(max-width:480px){.app,.game-section{padding:.5rem}}