body { font-family: sans-serif; margin: 2rem; line-height: 1.6; background: #f8f9fa; }
        .container { max-width: 900px; margin: auto; background: white; padding: 2rem; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
        h1 { color: #333; border-bottom: 2px solid #007bff; padding-bottom: 0.5rem; }
        a{text-decoration: none;color: #333;}
        .search-box { margin-bottom: 1.5rem; }
        .search-box input { width: 60%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; font-size: 1rem; }
        .search-box button { padding: 10px 20px; background: #007bff; color: white; border: none; border-radius: 4px; cursor: pointer; font-size: 1rem; }
        .reset-btn { text-decoration: none; padding: 10px 15px; background: #6c757d; color: white; border-radius: 4px; font-size: 1rem; margin-left: 5px; display: inline-block; }
        
        .tag-cloud { margin-bottom: 2rem; padding: 10px; background: #f1f1f1; border-radius: 5px; }
        .tag-cloud a { display: inline-block; padding: 5px 10px; margin: 3px; background: #fff; border: 1px solid #ddd; border-radius: 20px; text-decoration: none; color: #333; font-size: 0.9rem; }
        .tag-cloud a.active { background: #007bff; color: #fff; border-color: #007bff; }

        .file-item { padding: 15px; border-bottom: 1px solid #eee; display: flex; justify-content: space-between; align-items: center; }
        .file-item:last-child { border-bottom: none; }
        .file-info h3 { margin: 0; font-size: 1.1rem; }
        .file-info p { margin: 5px 0 0; color: #666; font-size: 0.9rem; }
        .tag-badge { background: #e7f3ff; color: #007bff; padding: 2px 8px; border-radius: 10px; font-size: 0.75rem; margin-right: 5px; text-decoration: none; }
        .view-link { text-decoration: none; color: #007bff; font-weight: bold; }
        .admin-link { display: block; margin-top: 2rem; text-align: center; color: #999; text-decoration: none; font-size: 0.8rem; }
        .d-flex{display: flex;}
        .space-between{justify-content: space-between;}