:root {
            --bg-primary: #f5f7fa;
            --bg-secondary: #ffffff;
            --text-primary: #2c3e50;
            --text-secondary: #7f8c8d;
            --text-muted: #95a5a6;
            --border-color: #e1e5eb;
            --border-light: #eaeaea;
            --accent-primary: #3498db;
            --accent-success: #2ecc71;
            --accent-error: #e74c3c;
            --accent-warning: #f39c12;
            --accent-info: #3498db;
            --shadow-color: rgba(0, 0, 0, 0.05);
            --shadow-hover: rgba(0, 0, 0, 0.08);
            --scrollbar-track: #f1f1f1;
            --scrollbar-thumb: #c1c1c1;
            --filter-bg: #f8f9fa;
            --filter-hover: #e9ecef;
        }

        [data-theme="dark"] {
            --bg-primary: #121212;
            --bg-secondary: #1e1e1e;
            --text-primary: #e0e0e0;
            --text-secondary: #b0b0b0;
            --text-muted: #888888;
            --border-color: #404040;
            --border-light: #333333;
            --accent-primary: #74a8d3;
            --accent-success: #81c784;
            --accent-error: #e57373;
            --accent-warning: #ffb74d;
            --accent-info: #64b5f6;
            --shadow-color: rgba(0, 0, 0, 0.3);
            --shadow-hover: rgba(0, 0, 0, 0.4);
            --scrollbar-track: #2d2d2d;
            --scrollbar-thumb: #555555;
            --filter-bg: #3d3d3d;
            --filter-hover: #4d4d4d;
        }

        body {
            margin: 0;
            padding: 20px;
            font-family: 'Montserrat', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            transition: background-color 0.3s ease, color 0.3s ease;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border-color);
        }

        .header h1 {
            margin: 0;
            font-size: 1.8em;
            color: var(--text-primary);
            font-weight: 600;
        }

        .stats {
            display: flex;
            gap: 25px;
            margin-bottom: 30px;
            padding: 20px;
            background-color: var(--bg-secondary);
            border-radius: 10px;
            border: 1px solid var(--border-color);
            box-shadow: 0 3px 15px var(--shadow-color);
            flex-wrap: wrap;
        }

        .stat-item {
            text-align: center;
            flex: 1;
            min-width: 120px;
            padding: 10px;
            background-color: var(--filter-bg);
            border-radius: 8px;
            border: 1px solid var(--border-light);
            transition: all 0.3s ease;
        }

        .stat-item:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 8px var(--shadow-color);
        }

        .stat-value {
            font-size: 1.6em;
            font-weight: bold;
            color: var(--accent-primary);
            display: block;
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 0.85em;
            color: var(--text-secondary);
            font-weight: 500;
            text-transform: uppercase;
        }

        .controls {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            padding: 25px;
            background-color: var(--bg-secondary);
            border-radius: 10px;
            border: 1px solid var(--border-color);
            box-shadow: 0 3px 15px var(--shadow-color);
            flex-wrap: wrap;
            gap: 25px;
        }

        .filter-container {
            display: flex;
            gap: 25px;
            flex: 1;
            flex-wrap: wrap;
            align-items: flex-end;
        }

        .filter-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
            min-width: 180px;
        }

        .filter-label {
            font-size: 0.85em;
            font-weight: 600;
            color: var(--text-secondary);
            text-transform: uppercase;
        }

        .filter-input {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid var(--border-color);
            border-radius: 8px;
            font-size: 0.95em;
            background-color: var(--bg-secondary);
            color: var(--text-primary);
            transition: all 0.3s ease;
            box-sizing: border-box;
        }

        .filter-input:focus {
            outline: none;
            border-color: var(--accent-primary);
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
        }

        .theme-toggle-container {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .theme-toggle {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            background-color: var(--filter-bg);
            border: 2px solid var(--border-color);
            border-radius: 25px;
            cursor: pointer;
            font-size: 0.9em;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all 0.3s ease;
        }

        .theme-toggle:hover {
            background-color: var(--filter-hover);
            transform: translateY(-2px);
            box-shadow: 0 4px 8px var(--shadow-color);
        }

        .theme-icon {
            font-size: 1.1em;
        }

        .theme-icon.sun {
            color: #f39c12;
        }

        .theme-icon.moon {
            color: #3498db;
        }

        .players-list {
            background-color: var(--bg-secondary);
            border-radius: 12px;
            border: 1px solid var(--border-color);
            box-shadow: 0 3px 15px var(--shadow-color);
            overflow: hidden;
        }

        .players-header {
            display: grid;
            grid-template-columns: 80px 1fr 200px;
            padding: 20px 25px;
            background-color: var(--filter-bg);
            border-bottom: 2px solid var(--border-color);
            font-weight: 700;
            color: var(--text-secondary);
            text-transform: uppercase;
            font-size: 0.9em;
        }

        .player-row {
            display: grid;
            grid-template-columns: 80px 1fr 200px;
            padding: 20px 25px;
            border-bottom: 1px solid var(--border-light);
            transition: all 0.3s ease;
        }

        .player-row:hover {
            background-color: var(--filter-bg);
        }

        .player-row:last-child {
            border-bottom: none;
        }

        .player-number {
            color: var(--accent-primary);
            font-weight: 700;
            font-size: 1.1em;
        }

        .player-id {
            font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
            font-size: 0.95em;
            word-break: break-all;
        }

        .player-date {
            color: var(--text-secondary);
            font-size: 0.9em;
        }

        .rtk-tag {
            display: inline-block;
            background-color: var(--accent-primary);
            color: white;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.75em;
            font-weight: 600;
            margin-right: 8px;
            text-transform: uppercase;
        }

        body::-webkit-scrollbar {
            width: 10px;
        }

        body::-webkit-scrollbar-track {
            background: var(--scrollbar-track);
            border-radius: 5px;
        }

        body::-webkit-scrollbar-thumb {
            background-color: var(--accent-primary);
            border-radius: 5px;
        }

        body::-webkit-scrollbar-thumb:hover {
            background-color: var(--accent-info);
        }

        @media (max-width: 768px) {
            body {
                padding: 15px;
            }

            .container {
                max-width: 100%;
            }

            .header {
                flex-direction: column;
                align-items: flex-start;
                gap: 15px;
            }

            .stats {
                gap: 15px;
            }

            .stat-item {
                min-width: calc(50% - 15px);
            }

            .controls {
                flex-direction: column;
            }

            .filter-container {
                width: 100%;
            }

            .filter-group {
                min-width: 100%;
            }

            .players-header, .player-row {
                grid-template-columns: 60px 1fr 150px;
                padding: 15px;
            }
        }

        @media (max-width: 480px) {
            .stats {
                flex-direction: column;
            }

            .stat-item {
                min-width: 100%;
            }

            .players-header, .player-row {
                grid-template-columns: 50px 1fr 120px;
                padding: 12px;
                font-size: 0.9em;
            }

            .player-date {
                font-size: 0.8em;
            }
        }