:root{--bg:#0a0a0a;--surface:#121212;--surface-raised:#181818;--ink:#ededed;--ink-soft:#c2c2c2;--muted:#7a7a7a;--line:#222222;--line-strong:#333333;--highlight:rgba(255,255,255,0.055);--shadow:0 12px 32px -16px rgba(0,0,0,0.7);--radius:8px;--body:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;--mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace}[data-theme=light]{--bg:#fbfbfb;--surface:#ffffff;--surface-raised:#ffffff;--ink:#1a1a1a;--ink-soft:#3d3d3d;--muted:#757575;--line:#e4e4e4;--line-strong:#cccccc;--highlight:transparent;--shadow:0 10px 28px -18px rgba(0,0,0,0.25)}*{box-sizing:border-box}html{background:var(--bg)}body{margin:0;background:radial-gradient(1200px 500px at 50% -100px,var(--highlight),transparent 70%),var(--bg);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.5;min-height:100vh}.sky{position:fixed;inset:0;z-index:-1;pointer-events:none}.shell{max-width:1040px;margin:0 auto;padding:0 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