:root{--crimson: #8b1d1d;--crimson-hover: #74181a;--pearl: #e8e8e8;--surface: #ffffff;--border: #d9d9d9;--text: #1c1c1e;--muted: #6b6b70;--success: #1f7a3d;--success-bg: #e3f2e8;--warning: #b45309;--warning-bg: #fef3e2;--danger: #b42318;--danger-bg: #fdecea;--info: #1d4f8b;--info-bg: #e5eef9;--radius: 12px;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--pearl);-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0;background:var(--pearl);font-size:14px;line-height:1.5}a{color:var(--crimson);text-decoration:none}a:hover{text-decoration:underline}h1{font-size:22px;margin:0}h2{font-size:15px;margin:0 0 12px}.muted{color:var(--muted)}.small{font-size:12px}.mono{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:13px;word-break:break-all}.shell{display:grid;grid-template-columns:232px 1fr;min-height:100vh}.sidebar{background:var(--surface);border-right:1px solid var(--border);padding:20px 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