:root{--bg: #0f1117;--surface: #161a22;--border: #2a3140;--text: #e6e9ef;--muted: #8b93a7;--accent: #6c8cff;--accent-dim: rgba(108, 140, 255, .15);--accent-border: rgba(108, 140, 255, .35);--danger: #f87171;--danger-bg: rgba(248, 113, 113, .12);--radius: 10px;--font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.5;min-height:100vh}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}#root{min-height:100vh}h1{font-size:1.5rem;font-weight:600;margin:0 0 1rem}h2{font-size:1.1rem;font-weight:600;margin:0 0 .75rem}code{font-family:var(--mono);font-size:.85em;background:var(--surface);padding:.1em .35em;border-radius:4px}.muted{color:var(--muted);font-size:.9rem}.error{color:var(--danger);margin:0 0 1rem}.layout{display:grid;grid-template-columns:220px 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