:root{color-scheme:light dark;--ink: #1d2125;--ink-soft: #2b343a;--muted: #5b666c;--accent: #0f4c5c;--rule: #d3dadd;--bg: #ffffff;--code-bg: #f3f5f6;--btn-bg: #0f4c5c;--btn-bg-hover: #0c3d4a;--btn-ink: #ffffff;--err: #b00020;--max: 660px}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--ink: #e7edf0;--ink-soft: #c2cace;--muted: #8a949b;--accent: #5fb6cb;--rule: #2b343a;--bg: #15191c;--code-bg: #1e262b;--btn-bg: #15727f;--btn-bg-hover: #1b8a99;--btn-ink: #ffffff;--err: #ff7b7b}}:root[data-theme=dark]{--ink: #e7edf0;--ink-soft: #c2cace;--muted: #8a949b;--accent: #5fb6cb;--rule: #2b343a;--bg: #15191c;--code-bg: #1e262b;--btn-bg: #15727f;--btn-bg-hover: #1b8a99;--btn-ink: #ffffff;--err: #ff7b7b}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink-soft);font-family:Helvetica 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