: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}}.container{max-width:800px;margin:0 auto;padding:20px;font-family:sans-serif}.app-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;border-bottom:2px solid #eee;padding-bottom:10px}nav button{background:none;border:none;padding:10px 20px;cursor:pointer;font-size:16px;color:#666}nav button.active{color:#007bff;border-bottom:2px solid #007bff;font-weight:700}nav button:hover{background-color:#f8f9fa}.card{background:#fff;padding:20px;border-radius:8px;box-shadow:0 2px 5px #0000001a}.header-actions{display:flex;justify-content:space-between;align-items:center}.form-group{margin-bottom:15px}.form-group label{display:block;margin-bottom:5px;font-weight:700}.form-group input{width:100%;padding:8px;border:1px solid #ddd;border-radius:4px;box-sizing:border-box}.btn-primary{background:#007bff;color:#fff;border:none;padding:10px 20px;border-radius:4px;cursor:pointer}.btn-secondary{background:#6c757d;color:#fff;border:none;padding:5px 15px;border-radius:4px;cursor:pointer;font-size:.9em}.btn-primary:disabled{background:#ccc}.upload-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid #eee}.badge-success{color:green;font-weight:700;font-size:.9em;margin-left:10px}.custom-table{width:100%;border-collapse:collapse;margin-top:10px}.custom-table th,.custom-table td{padding:12px;text-align:left;border-bottom:1px solid #ddd}.custom-table th{background-color:#f8f9fa}.status-bar{margin-top:20px;padding:10px;background:#e9ecef;border-radius:4px;text-align:center;color:#333}