.app{max-width:1200px;margin:0 auto;padding:20px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.app-header{text-align:center;margin-bottom:30px}.app-header h1{color:#2c3e50;margin-bottom:10px}.app-header p{color:#7f8c8d;font-size:16px}.tab-navigation{display:flex;justify-content:center;margin-bottom:30px;gap:10px}.tab-button{padding:12px 24px;border:2px solid #3498db;background:#fff;color:#3498db;border-radius:8px;cursor:pointer;font-size:16px;font-weight:600;transition:all .3s ease}.tab-button:hover,.tab-button.active{background:#3498db;color:#fff}.app-main{background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 6px #0000001a;min-height:400px}.app-footer{text-align:center;margin-top:30px;color:#95a5a6;font-size:14px}.converter-container{text-align:center}.drop-zone{border:3px dashed #3498db;border-radius:12px;padding:40px;margin:20px 0;background:#f8f9fa;transition:all .3s ease;cursor:pointer}.drop-zone:hover{border-color:#2980b9;background:#ebf5fb}.drop-zone.active{border-color:#27ae60;background:#d5f4e6}.drop-zone-text{font-size:18px;color:#7f8c8d;margin-bottom:15px}.file-input{display:none}.browse-button{background:#3498db;color:#fff;border:none;padding:12px 24px;border-radius:6px;cursor:pointer;font-size:16px;font-weight:600;transition:background .3s ease}.browse-button:hover{background:#2980b9}.file-list{margin:20px 0;text-align:left}.file-item{display:flex;justify-content:space-between;align-items:center;padding:12px;background:#f8f9fa;border-radius:6px;margin-bottom:10px}.file-info{display:flex;align-items:center;gap:10px}.file-name{font-weight:500}.file-size{color:#7f8c8d;font-size:14px}.remove-button{background:#e74c3c;color:#fff;border:none;padding:6px 12px;border-radius:4px;cursor:pointer;font-size:14px}.remove-button:hover{background:#c0392b}.action-buttons{margin:20px 0;display:flex;gap:15px;justify-content:center}.convert-button{background:#27ae60;color:#fff;border:none;padding:15px 30px;border-radius:8px;cursor:pointer;font-size:18px;font-weight:600;transition:background .3s ease}.convert-button:hover{background:#219a52}.convert-button:disabled{background:#95a5a6;cursor:not-allowed}.clear-button{background:#e67e22;color:#fff;border:none;padding:15px 30px;border-radius:8px;cursor:pointer;font-size:18px;font-weight:600;transition:background .3s ease}.clear-button:hover{background:#d35400}.progress-container{margin:20px 0}.progress-bar{height:20px;background:#ecf0f1;border-radius:10px;overflow:hidden;margin-bottom:10px}.progress-fill{height:100%;background:#3498db;transition:width .3s ease;display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px;font-weight:600}.status-text{text-align:center;color:#7f8c8d;font-size:16px}: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}#app{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}.logo{height:6em;padding:1.5em;will-change:filter;transition:filter .3s}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.vanilla:hover{filter:drop-shadow(0 0 2em #3178c6aa)}.card{padding:2em}.read-the-docs{color:#888}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}}