:root{--text:#3b3229;--text-strong:#1c140e;--text-muted:#6b5f54;--surface:#fff;--surface-muted:#f5f0e8;--border:#d7c9bc;--pill-bg:#efe6db;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:system-ui,Segoe UI,Roboto,sans-serif;line-height:1.5}*,:before,:after{box-sizing:border-box}body{margin:0}#root{min-height:100vh}.app-shell{background:var(--surface-muted);min-height:100vh;color:var(--text);flex-direction:column;display:flex}.top-bar{background:var(--surface);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:12px 20px;display:flex}.brand{letter-spacing:.02em;color:var(--text-strong);font-weight:600}.env-pill{background:var(--pill-bg);color:var(--text-strong);border:1px solid var(--border);border-radius:999px;padding:6px 10px;font-size:13px}.body{flex:1;grid-template-columns:240px 1fr;display:grid}.side-nav{border-right:1px solid var(--border);background:var(--surface);padding:20px 16px}.main{padding:28px 32px}.main h1{color:var(--text-strong);margin:0 0 12px;font-size:26px;font-weight:600}.lede{max-width:52ch;margin:0;line-height:1.5}.muted{color:var(--text-muted);margin:0;font-size:14px}@media (width<=900px){.body{grid-template-columns:1fr}.side-nav{border-right:none;border-bottom:1px solid var(--border)}}