:root{--bg: #f0f2f5;--panel: #fff;--text: #2d3436;--muted: #888;--accent: #5b8def;--accent-hover: #4a7ce0;--accent-light: rgba(91, 141, 239, .1);--danger: #e74c3c;--ok: #27ae60;--border: #e1e4e8;--cell-border: #ccc;--cell-major: #666;--cell-filled: #2d3436;--cell-bg: #fff;--clue-bg: #f6f8fa;--shadow: 0 1px 3px rgba(0, 0, 0, .06);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .2);--ok-light: rgba(39, 174, 96, .1);--danger-light: rgba(231, 76, 60, .1);color-scheme:light}[data-theme=dark]{--bg: #181830;--panel: #242448;--text: #e0e0e0;--muted: #888;--accent: #7ba4f7;--accent-hover: #6993e6;--accent-light: rgba(123, 164, 247, .15);--danger: #ff6b6b;--ok: #6ec96e;--border: #363660;--cell-border: #3a3a66;--cell-major: #7a7a9e;--cell-filled: #e0e0e0;--cell-bg: #2c2c50;--clue-bg: #202044;--shadow: 0 1px 3px rgba(0, 0, 0, .3);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--ok-light: rgba(110, 201, 110, .15);--danger-light: rgba(255, 107, 107, 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