:root{color-scheme:light;--bg:#f7f7fb;--surface:#fff;--surface-2:#f4f4f8;--border:#e5e5ee;--text:#151521;--muted:#686878;--accent:#6557e8;--accent-soft:#eeecff;--code:#171720;--code-text:#e7e7ee;--shadow:0 18px 50px rgba(28,24,66,.12)}:root[data-theme=dark]{color-scheme:dark;--bg:#111116;--surface:#18181f;--surface-2:#202028;--border:#30303a;--text:#f1f1f5;--muted:#a4a4b1;--accent:#9389ff;--accent-soft:#292544;--code:#0c0c11;--code-text:#ededf5;--shadow:0 18px 50px rgba(0,0,0,.45)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased}button,input{font:inherit}button,a{color:inherit}.topbar{position:fixed;z-index:50;inset:0 0 auto;display:flex;height:64px;align-items:center;border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--bg) 88%,transparent);padding:0 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