:root{--primary-color: #007bff;--success-color: #28a745;--error-color: #dc3545;--light-gray: #f8f9fa;--dark-gray: #343a40;--border-radius: 8px}body{margin:0;font-size:30px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--light-gray);color:var(--dark-gray);display:flex;justify-content:center;align-items:center;min-height:100vh}input{height:8rem;margin:1rem 0}input::placeholder{font-size:3rem}.container{width:100%;max-width:400px;padding:1rem;box-sizing:border-box}.page{display:none}.page.active{display:block}.card{background-color:#fff;padding:2rem;border-radius:var(--border-radius);box-shadow:0 4px 12px #0000001a;text-align:center}h1{margin-top:0;color:var(--primary-color)}p{margin-bottom:1.5rem}.input-group{margin-bottom:1.5rem;text-align:left}.input-group label{display:block;margin-bottom:.5rem;font-weight:500}.input-group input{width:100%;padding:.75rem;border:1px solid #ccc;border-radius:var(--border-radius);font-size:3rem;box-sizing:border-box}.input-group select{width:100%;padding:.75rem;border:1px solid #ccc;border-radius:var(--border-radius);font-size:3rem;box-sizing:border-box;height:8rem;background-color:#fff;-webkit-appearance:none;-moz-appearance:none;appearance:none}.input-group select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px #007bff40}.code-input-wrapper{display:block}.code-input-wrapper input{width:100%;margin-bottom:1rem}.btn-code{width:100%;height:6rem;padding:.75rem 1rem;border:none;background-color:var(--success-color);color:#fff;font-size:2.5rem;font-weight:700;border-radius:var(--border-radius);cursor:pointer;transition:background-color .3s ease;box-sizing:border-box;display:block}.btn-code:hover{background-color:#218838}.btn-code:disabled{background-color:#6c757d;cursor:not-allowed}.error-message{display:block;color:var(--error-color);font-size:2rem;margin-top:.25rem;min-height:2.5rem}.btn{width:100%;padding:.5rem;border:none;background-color:var(--primary-color);color:#fff;font-size:3.1rem;font-weight:700;border-radius:var(--border-radius);cursor:pointer;transition:background-color .3s ease}.btn:hover:not(:disabled){background-color:#0056b3}.btn.btn-secondary{background-color:#6c757d;border-color:#6c757d}.btn.btn-secondary:hover:not(:disabled){background-color:#5a6268}.file-input-wrapper{position:relative;margin-bottom:1.5rem}.file-input-wrapper input[type=file]{position:absolute;width:.1px;height:.1px;opacity:0;overflow:hidden;z-index:-1}.file-input-wrapper .file-label{display:block;padding:1rem;border:2px dashed #ccc;border-radius:var(--border-radius);cursor:pointer;transition:border-color .3s ease}.file-input-wrapper input[type=file]:disabled+.file-label,.file-input-wrapper input[disabled]+.file-label{opacity:.6;cursor:not-allowed;pointer-events:none}.file-input-wrapper .file-label:hover{border-color:var(--primary-color)}#file-name{color:#555}.progress-container{width:100%;background-color:#e9ecef;border-radius:var(--border-radius);overflow:hidden;margin:1.5rem 0}.progress-bar{height:1.5rem;width:0;background-color:var(--success-color);text-align:center;line-height:1.5rem;color:#fff;font-weight:700;transition:width .4s ease}#upload-status{margin-top:1rem;font-weight:700}.status-success{color:var(--success-color)}.status-error{color:var(--error-color)}.upload-list-container{margin-top:2rem;max-height:400px;overflow-y:auto}.upload-item{background-color:#f8f9fa;border:1px solid #dee2e6;border-radius:var(--border-radius);padding:1rem;margin-bottom:1rem;text-align:left}.upload-item-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.upload-item-filename{font-size:1.8rem;font-weight:500;color:var(--dark-gray);word-break:break-all;flex:1;margin-right:1rem}.upload-item-actions{display:flex;gap:.5rem}.upload-item-btn{padding:.3rem .8rem;border:none;border-radius:4px;font-size:1.4rem;cursor:pointer;transition:background-color .3s ease}.upload-item-btn.pause{background-color:#ffc107;color:#212529}.upload-item-btn.resume{background-color:var(--success-color);color:#fff}.upload-item-btn.cancel{background-color:var(--error-color);color:#fff}.upload-item-btn:hover{opacity:.8}.upload-item-btn:disabled{opacity:.5;cursor:not-allowed}.upload-item-progress{width:100%;height:1rem;background-color:#e9ecef;border-radius:4px;overflow:hidden;margin-bottom:.5rem}.upload-item-progress-bar{height:100%;background-color:var(--success-color);transition:width .3s ease;display:flex;align-items:center;justify-content:center;font-size:1rem;color:#fff;font-weight:700}.upload-item-status{font-size:1.4rem;font-weight:500}.upload-item-status.waiting{color:#6c757d}.upload-item-status.calculating{color:#17a2b8}.upload-item-status.uploading{color:var(--primary-color)}.upload-item-status.paused{color:#ffc107}.upload-item-status.success{color:var(--success-color)}.upload-item-status.failed{color:var(--error-color)}.upload-item-status.retrying{color:#fd7e14}.upload-list-actions{margin-top:1.5rem;text-align:right}#checkRecord{text-decoration:none}