:root{--bg:oklch(98.5% 0.004 260);--surface:oklch(100% 0 0);--surface-2:oklch(97% 0.006 260);--border:oklch(90% 0.008 260);--text:oklch(22% 0.02 265);--text-dim:oklch(52% 0.02 265);--accent:oklch(58% 0.2 285);--accent-soft:oklch(95% 0.04 285);--ok:oklch(62% 0.16 155);--warn:oklch(72% 0.16 75);--err:oklch(60% 0.2 25);--slate:oklch(62% 0.02 265);--radius:14px;--radius-sm:9px;--shadow:0 1px 2px oklch(20% 0.02 265/0.04),0 8px 24px oklch(20% 0.02 265/0.06);--mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,monospace;--sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}@media (prefers-color-scheme:dark){:root{--bg:oklch(17% 0.015 265);--surface:oklch(21% 0.017 265);--surface-2:oklch(24% 0.018 265);--border:oklch(30% 0.02 265);--text:oklch(95% 0.01 265);--text-dim:oklch(66% 0.02 265);--accent:oklch(72% 0.17 285);--accent-soft:oklch(32% 0.06 285);--shadow:0 1px 2px oklch(0% 0 0/0.3),0 12px 32px oklch(0% 0 0/0.35)}}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:var(--sans);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}h1,h2,h3{margin:0;letter-spacing:-.02em}.app{display:grid;grid-template-columns:232px 1fr;min-height:100vh}.sidebar{background:var(--surface);border-right:1px solid var(--border);padding:22px 16px;display:flex;flex-direction:column;gap:4px;position:-webkit-sticky;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:10px;padding:6px 10px 20px}.brand-mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--accent),oklch(62% .2 320));display:grid;place-items:center;color:white;font-weight:800;font-size:15px}.brand-name{font-weight:700;font-size:15px;letter-spacing:-.02em}.brand-sub{font-size:11px}.brand-sub,.nav-link{color:var(--text-dim)}.nav-link{display:flex;align-items:center;gap:10px;padding:9px 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