:root{color-scheme:light;--bg:#f7f8fb;--surface:#ffffff;--surface-strong:#eef2f7;--surface-muted:#fbfcfe;--text:#14181f;--muted:#5c6675;--line:#d9e0ea;--accent:#0f766e;--accent-strong:#115e59;--danger:#b42318;--warning:#a15c07;--pill-text:#2f3a49;--code-bg:#162029;--code-text:#edf6f5;--code-accent:#9de6df;--raw-bg:#111820;--raw-text:#d7f7ee;--input-bg:#ffffff;--radius:8px;--shadow:0 14px 38px rgba(20,24,31,0.08);--shadow-soft:0 8px 24px rgba(20,24,31,0.04)}[data-theme=dark]{color-scheme:dark;--bg:#0c1118;--surface:#141a23;--surface-strong:#1c2533;--surface-muted:#10161e;--text:#e7ecf3;--muted:#94a0b3;--line:#28323f;--accent:#2dd4bf;--accent-strong:#5eead4;--danger:#f87171;--warning:#fbbf24;--pill-text:#cbd5e1;--code-bg:#0a0f15;--code-text:#d7f7ee;--code-accent:#5eead4;--raw-bg:#060a0f;--raw-text:#d7f7ee;--input-bg:#0e141c;--shadow:0 14px 38px rgba(0,0,0,0.5);--shadow-soft:0 8px 24px rgba(0,0,0,0.25)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg:#0c1118;--surface:#141a23;--surface-strong:#1c2533;--surface-muted:#10161e;--text:#e7ecf3;--muted:#94a0b3;--line:#28323f;--accent:#2dd4bf;--accent-strong:#5eead4;--danger:#f87171;--warning:#fbbf24;--pill-text:#cbd5e1;--code-bg:#0a0f15;--code-accent:#5eead4;--raw-bg:#060a0f;--input-bg:#0e141c;--shadow:0 14px 38px rgba(0,0,0,0.5);--shadow-soft:0 8px 24px rgba(0,0,0,0.25)}}*{box-sizing:border-box}body,html{margin:0;min-height:100%}body{background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.page-shell{min-height:100vh;display:flex;flex-direction:column}.site-footer,.site-header{background:var(--surface);border-bottom:1px solid var(--line)}.site-footer{border-top:1px solid var(--line);border-bottom:0}.container,.site-footer__inner,.site-header__inner{width:min(1120px,calc(100% - 32px));margin:0 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