:root{--font:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--radius:14px;--radius-sm:9px;--bg:#111;--surface:#222;--surface-2:#2a2a2a;--surface-3:#313131;--border:#333;--border-strong:#5c5c5c;--text:#fff;--text-2:#c4c4c4;--text-3:#999;--accent:#6741ff;--accent-hover:#735fff;--accent-soft:#b3b5ff;--accent-text:#8178ff;--accent-bg:#5e00ff2e;--danger:#ed5030;--error:#ff937f;--good:#51bf7f;--wave:#8178ff;--board-light:#adafe0;--board-dark:#5c44d9;--board-move:#e980f1d9;--board-selected:#e797edf2;--board-dot:#160a3859;--board-shadow:0 20px 60px #00000073}:root[data-theme=light]{--bg:#e4e4e4;--surface:#fff;--surface-2:#f7f7f7;--surface-3:#ebebeb;--border:#d6d6d6;--border-strong:#c4c4c4;--text:#333;--text-2:#5c5c5c;--text-3:#7a7a7a;--accent:#5e00ff;--accent-hover:#5600eb;--accent-soft:#c5c8ff;--accent-text:#5e00ff;--accent-bg:#5e00ff1a;--error:#ff765b;--wave:#6741ff;--board-light:#d8daff;--board-dark:#735fff;--board-move:#f78dffe6;--board-selected:#f5a4fb;--board-dot:#2200694d;--board-shadow:0 16px 40px 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