.app-shell{display:grid;grid-template-columns:76px minmax(0,1fr);min-height:100vh}.rail{position:fixed;inset:0 auto 0 0;width:76px;background:var(--rail);color:var(--rail-ink);display:flex;flex-direction:column;align-items:center;padding:16px 10px;z-index:20}.brand{display:flex;align-items:center;gap:8px;height:42px}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border:1px solid #343935;border-radius:11px;font-weight:750}.brand-name{display:none}.rail-nav{display:flex;flex-direction:column;gap:7px;width:100%;margin-top:28px}.nav-item{height:50px;border-radius:12px;color:var(--rail-muted);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:4px;font-size:10px;transition:.18s ease}.nav-item svg{width:17px;height:17px}.nav-item:hover,.nav-item.active{background:#1d211e;color:#fff}.rail-bottom{margin-top:auto}.workspace{grid-column:2;min-width:0;padding:0 28px 40px}.topbar{height:94px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);position:sticky;top:0;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(16px);z-index:10}.eyebrow{font-size:10px;font-weight:750;letter-spacing:.13em;color:var(--muted);margin-bottom:6px}.topbar h1{font-size:22px;line-height:1.1;letter-spacing:-.035em}.topbar-actions{display:flex;align-items:center;gap:9px}.view{max-width:1400px;margin:0 auto;padding-top:24px}.grid{display:grid;gap:12px}.two-col{grid-template-columns:minmax(0,1.65fr) minmax(300px,.75fr)}.split{display:grid;grid-template-columns:1fr 1fr;gap:12px}