:root{--bg:#f6f8fa;--surface:#fff;--border:#d0d7de;--text:#1f2328;--muted:#656d76;--cell-empty:#ebedf0;--github:#1a7f37;--leetcode:#bf8700;--danger:#cf222e;--danger-bg:#ffebe9;--warning:#9a6700;--warning-bg:#fff8c5;--info:#0969da;--info-bg:#ddf4ff;--ok:#1a7f37;--ok-bg:#dafbe1;--easy:#00a37e;--medium:#d29922;--hard:#e5534b;--radius:10px;--mono:ui-monospace, "SF Mono", "JetBrains Mono", Menlo, monospace;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#0d1117;--surface:#161b22;--border:#30363d;--text:#e6edf3;--muted:#8d96a0;--cell-empty:#21262d;--github:#3fb950;--leetcode:#f0b72f;--danger:#ff7b72;--danger-bg:#3d1214;--warning:#e3b341;--warning-bg:#3a2c0c;--info:#58a6ff;--info-bg:#0c2d4f;--ok:#3fb950;--ok-bg:#0f2e19;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font:15px/1.5 -apple-system,BlinkMacSystemFont,Segoe 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