body {
        font-family: Arial, sans-serif;
        line-height: 1.6;
        margin: 0;
        padding: 20px;
        background-color: #f0f0f0;
    }
    .container {
        max-width: 1200px;
        margin: 0 auto;
        background-color: white;
        padding: 20px;
        border-radius: 5px;
        box-shadow: 0 0 10px rgba(0,0,0,0.1);
    }
    h1 {
        color: #2c3e50;
        text-align: center;
    }
    .filters {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 10px;
        margin-bottom: 20px;
        padding: 15px;
        background-color: #f8f9fa;
        border-radius: 5px;
    }
    .filter-group {
        margin-bottom: 10px;
    }
    .filter-group label {
        display: block;
        margin-bottom: 5px;
        font-weight: bold;
        color: #2c3e50;
    }
    input, select {
        width: 100%;
        padding: 8px;
        border: 1px solid #ddd;
        border-radius: 4px;
        box-sizing: border-box;
    }
    table {
        width: 100%;
        border-collapse: collapse;
        margin-top: 20px;
        background-color: white;
    }
    th, td {
        padding: 12px;
        text-align: left;
        border-bottom: 1px solid #ddd;
    }
    th {
        background-color: #2c3e50;
        color: white;
    }
    tr:hover {
        background-color: #f5f5f5;
    }
    th {
        cursor: pointer;
        position: relative;
        padding-right: 20px !important;
    }
    th::after {
        content: '⇕';
        position: absolute;
        right: 5px;
        opacity: 0.5;
    }
    th.sort-asc::after {
        content: '↑';
        opacity: 1;
    }
    th.sort-desc::after {
        content: '↓';
        opacity: 1;
    }
    .badge {
        display: inline-block;
        padding: 3px 8px;
        border-radius: 3px;
        font-size: 0.8em;
    }
    .extension {
        background-color: #e74c3c;
        color: white;
    }
    .base {
        background-color: #2ecc71;
        color: white;
    }
    .bgg-link {
        color: #3498db;
        text-decoration: none;
    }
    .bgg-link:hover {
        text-decoration: underline;
    }
    .no-results {
        text-align: center;
        padding: 20px;
        color: #7f8c8d;
    }
    td {
        vertical-align: middle;
        text-align: center;
    }
    td:first-child {
        text-align: left;
    }