:root{color-scheme:light dark;--canvas:#f7f9fc;--surface:#fff;--text:#101a29;--muted:#526174;--border:#dce3ed;--accent:#0866e5;--accent-soft:#eef7ff}*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,sans-serif}.app-shell{min-height:100vh;display:grid;grid-template-columns:260px 1fr}.sidebar{position:-webkit-sticky;position:sticky;top:0;height:100vh;padding:24px 18px;border-right:1px solid var(--border);background:var(--surface);overflow:auto}.brand-mark{width:40px;height:40px;display:grid;place-items:center;margin-bottom:10px;border-radius:13px;background:var(--accent);color:#fff;font-weight:800}.sidebar nav{display:grid;grid-gap:4px;gap:4px;margin-top:28px}.sidebar a{min-height:44px;display:flex;align-items:center;padding:0 13px;border-radius:11px;color:var(--muted);text-decoration:none;font-size:14px;font-weight:600}.sidebar a:hover,.sidebar a[aria-current=page]{color:var(--accent);background:var(--accent-soft)}.app-content{padding:48px}.app-content main{max-width:980px;margin:0 auto;display:grid;grid-gap:28px;gap:28px}.eyebrow{margin:0;color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.08em}h1{max-width:700px;margin:8px 0 10px;font-size:clamp(32px,5vw,54px);line-height:1.04;letter-spacing:-.035em}.lede{max-width:690px;color:var(--muted);font-size:17px;line-height:1.6}.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:14px;gap:14px}.metric-grid article{display:grid;grid-gap:8px;gap:8px;padding:20px;border:1px solid var(--border);border-radius:18px;background:var(--surface)}.metric-grid small,.metric-grid span{color:var(--muted)}.metric-grid strong{font-size:24px}:focus-visible{outline:3px solid var(--accent);outline-offset:3px}@media (max-width:760px){.app-shell{display:block}.sidebar{position:static;width:100%;height:auto;border-right:0;border-bottom:1px solid var(--border)}.sidebar nav{display:flex;overflow:auto}.sidebar nav a{white-space:nowrap}.app-content{padding:28px 18px}.metric-grid{grid-template-columns:1fr}}@media (prefers-color-scheme:dark){:root{--canvas:#08111f;--surface:#101a29;--text:#f7f9fc;--muted:#8a98aa;--border:#344256;--accent:#58a3ff;--accent-soft:#132d50}}