.epaper-repository {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
    }
    
    .epaper-upload-section {
        background: #f8f9fa;
        border: 2px dashed #bdc3c7;
        border-radius: 5px;
        padding: 20px;
        margin-bottom: 30px;
        text-align: center;
    }
    
    .epaper-upload-section h3 {
        margin-top: 0;
        color: #2c3e50;
    }
    
    .epaper-upload-info {
        margin: 10px 0;
        font-size: 14px;
        color: #7f8c8d;
    }
    
    .epaper-upload-info p {
        margin: 5px 0;
    }
    
    .epaper-upload-form input[type="file"] {
        margin: 10px 0;
        padding: 10px;
        border: 1px solid #ddd;
        border-radius: 4px;
        background: white;
        width: 100%;
        max-width: 400px;
    }
    
    .epaper-upload-form button {
        background: #c0392b;
        color: white;
        border: none;
        padding: 12px 24px;
        border-radius: 4px;
        cursor: pointer;
        font-weight: 600;
        font-size: 16px;
        transition: all 0.3s;
    }
    
    .epaper-upload-form button:hover {
        background: #a33226;
        transform: translateY(-2px);
    }
    
    .epaper-upload-form button:disabled {
        background: #cccccc;
        cursor: not-allowed;
        transform: none;
    }
    
    .epaper-upload-progress {
        margin: 20px 0;
    }
    
    .epaper-progress-bar {
        width: 100%;
        height: 20px;
        background: #f1f1f1;
        border-radius: 10px;
        overflow: hidden;
        margin-bottom: 10px;
    }
    
    .epaper-progress-bar-fill {
        height: 100%;
        background: linear-gradient(to right, #4CAF50, #8BC34A);
        width: 0%;
        transition: width 0.3s;
        border-radius: 10px;
    }
    
    .epaper-progress-text {
        text-align: center;
        font-weight: 600;
        color: #2c3e50;
    }
    
    .epaper-upload-status {
        margin: 10px 0;
        padding: 10px;
        border-radius: 4px;
        display: none;
    }
    
    .epaper-upload-status.success {
        background: #d4edda;
        color: #155724;
        border-left: 4px solid #28a745;
    }
    
    .epaper-upload-status.error {
        background: #f8d7da;
        color: #721c24;
        border-left: 4px solid #dc3545;
    }
    
    .epaper-grid h3 {
        color: #2c3e50;
        border-bottom: 2px solid #c0392b;
        padding-bottom: 10px;
    }
    
    .epaper-grid-container {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 25px;
        margin: 20px 0;
    }
    
    .epaper-card {
        background: white;
        border: 1px solid #ddd;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 3px 10px rgba(0,0,0,0.1);
        transition: transform 0.3s, box-shadow 0.3s;
    }
    
    .epaper-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    }
    
    .epaper-thumbnail {
        height: 250px;
        background: #f1f1f1;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
    }
    
    .epaper-thumbnail img {
        width: 100%;
        height: 100%;
        object-fit: contain;
        transition: transform 0.3s;
    }
    
    .epaper-card:hover .epaper-thumbnail img {
        transform: scale(1.05);
    }
    
    .epaper-thumbnail-placeholder {
        font-size: 60px;
        color: #e74c3c;
        opacity: 0.7;
    }
    
    .epaper-info {
        padding: 20px;
    }
    
    .epaper-info h4 {
        margin: 0 0 12px 0;
        color: #2c3e50;
        font-size: 18px;
        line-height: 1.3;
    }
    
    .epaper-meta {
        color: #7f8c8d;
        font-size: 14px;
        margin: 0 0 20px 0;
        line-height: 1.5;
    }
    
    .epaper-actions {
        display: flex;
        justify-content: space-between;
    }
    
    .epaper-actions a {
        padding: 8px 16px;
        border-radius: 4px;
        text-decoration: none;
        font-size: 14px;
        display: inline-flex;
        align-items: center;
        transition: all 0.2s;
    }
    
    .epaper-actions a i {
        margin-right: 6px;
    }
    
    .epaper-view {
        background: #3498db;
        color: white;
    }
    
    .epaper-view:hover {
        background: #2980b9;
        transform: translateY(-2px);
    }
    
    .epaper-delete {
        background: #e74c3c;
        color: white;
    }
    
    .epaper-delete:hover {
        background: #c0392b;
        transform: translateY(-2px);
    }
    
    .epaper-pagination {
        text-align: center;
        margin-top: 40px;
    }
    
    .epaper-pagination .page-numbers {
        display: inline-block;
        padding: 8px 16px;
        margin: 0 4px;
        border: 1px solid #ddd;
        text-decoration: none;
        border-radius: 4px;
        transition: all 0.2s;
    }
    
    .epaper-pagination .page-numbers:hover {
        background: #f8f9fa;
    }
    
    .epaper-pagination .page-numbers.current {
        background: #c0392b;
        color: white;
        border-color: #c0392b;
    }
    
    .epaper-empty {
        text-align: center;
        padding: 60px 40px;
        color: #7f8c8d;
        font-style: italic;
        font-size: 18px;
    }
    
    .epaper-success {
        background: #d4edda;
        color: #155724;
        padding: 12px;
        border-radius: 4px;
        margin: 15px 0;
        border-left: 4px solid #28a745;
    }
    
    .epaper-error {
        background: #f8d7da;
        color: #721c24;
        padding: 12px;
        border-radius: 4px;
        margin: 15px 0;
        border-left: 4px solid #dc3545;
    }
    
    @media (max-width: 768px) {
        .epaper-grid-container {
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 20px;
        }
        
        .epaper-thumbnail {
            height: 200px;
        }
        
        .epaper-actions {
            flex-direction: column;
            gap: 10px;
        }
        
        .epaper-actions a {
            justify-content: center;
            text-align: center;
        }
    }
    
    @media (max-width: 480px) {
        .epaper-grid-container {
            grid-template-columns: 1fr;
        }
        
        .epaper-repository {
            padding: 15px;
        }
    }