* {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            margin: 0;
            padding: 20px;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
        }
        
        .container {
            max-width: 1000px;
            margin: 0 auto;
            background-color: white;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }
        
        h1 {
            color: #2c3e50;
            border-bottom: 2px solid #eaeaea;
            padding-bottom: 15px;
            margin-bottom: 25px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        h1::before {
            content: "📁";
            font-size: 1.5em;
        }
        
        .controls {
            display: flex;
            justify-content: space-between;
            margin: 25px 0;
            flex-wrap: wrap;
            gap: 15px;
            background: #f8f9fa;
            padding: 20px;
            border-radius: 10px;
        }
        
        .search-box {
            flex: 1;
            min-width: 250px;
            position: relative;
        }
        
        .search-box input {
            width: 100%;
            padding: 12px 20px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 16px;
            transition: all 0.3s;
            padding-left: 45px;
            background-color: white;
        }
        
        .search-box input:focus {
            outline: none;
            border-color: #4a6ee0;
            box-shadow: 0 0 0 3px rgba(74, 110, 224, 0.2);
        }
        
        .search-box::before {
            content: "🔍";
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 18px;
            color: #777;
        }
        
        .category-filter {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        
        .category-btn {
            padding: 10px 20px;
            background-color: white;
            border: 1px solid #ddd;
            border-radius: 8px;
            cursor: pointer;
            font-size: 14px;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 500;
        }
        
        .category-btn:hover {
            background-color: #f0f2f5;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }
        
        .category-btn.active {
            background-color: #4a6ee0;
            color: white;
            border-color: #4a6ee0;
        }
        
        table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            border-radius: 10px;
            overflow: hidden;
        }
        
        thead {
            background: linear-gradient(135deg, #4a6ee0, #6a82fb);
            color: white;
        }
        
        th, td {
            padding: 16px 20px;
            text-align: left;
            border-bottom: 1px solid #eaeaea;
        }
        
        th {
            font-weight: 600;
            font-size: 16px;
        }
        
        tr {
            transition: background-color 0.2s;
        }
        
        tr:not(:first-child):hover {
            background-color: #f8fafd;
        }
        
        .file-link {
            color: #2c3e50;
            text-decoration: none;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: color 0.2s;
        }
        
        .file-link:hover {
            color: #4a6ee0;
        }
        
        .file-size {
            color: #666;
            font-size: 0.95em;
        }
        
        .file-date {
            color: #666;
            font-size: 0.95em;
        }
        
        .no-results {
            text-align: center;
            padding: 40px 20px;
            color: #7f8c8d;
            font-style: italic;
            font-size: 18px;
        }
        
        .file-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            font-size: 20px;
        }
        
        .file-icon.exe {
            background-color: #e3f2fd;
            color: #1976d2;
        }
        
        .file-icon.zip {
            background-color: #fff3e0;
            color: #f57c00;
        }
        
        .file-icon.default {
            background-color: #f5f5f5;
            color: #757575;
        }
        
        .file-info {
            display: flex;
            flex-direction: column;
        }
        
        .file-name {
            font-weight: 500;
        }
        
        .file-path {
            font-size: 0.8em;
            color: #888;
            margin-top: 2px;
        }
        
        .stats {
            display: flex;
            justify-content: space-between;
            margin-top: 20px;
            color: #666;
            font-size: 14px;
            padding: 0 10px;
        }
        
        @media (max-width: 768px) {
            .controls {
                flex-direction: column;
            }
            
            .category-filter {
                justify-content: center;
            }
            
            th, td {
                padding: 12px 15px;
            }
            
            table {
                font-size: 14px;
            }
        }
        
        @media (max-width: 480px) {
            .container {
                padding: 15px;
            }
            
            th:nth-child(2), td:nth-child(2),
            th:nth-child(3), td:nth-child(3) {
                display: none;
            }
        }