:root{--bg:#040816;--bg-soft:#0c1430;--text:#e6edf8;--muted:#96a0c8;--brand:#6f58f7;--brand-soft:#3f2db0;--card:#161e39e6;--card-border:#8c9dff40;--radius:18px;--elev:0 16px 40px #00000059}*{box-sizing:border-box}body{background:radial-gradient(circle at 10% 10%, #17213f 0%, var(--bg) 45%, #03070f 100%);color:var(--text);margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:inherit}.hub-shell{flex-direction:column;min-height:100vh;display:flex}.hub-header{border-bottom:1px solid var(--card-border);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:.75rem;padding:1rem;display:flex}.brand{align-items:center;gap:.5rem;font-weight:700;display:flex}.brand-mark{background:linear-gradient(140deg, var(--brand), var(--brand-soft));border-radius:50%;place-items:center;width:28px;height:28px;font-size:.75rem;font-weight:800;display:grid}.brand-sub{color:var(--muted);font-size:.9rem}.session-inline{align-items:center;gap:.65rem;margin-left:auto;display:flex}.user-name{white-space:nowrap;text-overflow:ellipsis;max-width:14rem;overflow:hidden}.hub-content{flex:1;padding:1rem 1rem 5.5rem}.hub-nav{border-top:1px solid var(--card-border);background:#040816f2;grid-template-columns:repeat(5,1fr);padding:.4rem;display:grid;position:sticky;bottom:0}.nav-link{text-align:center;color:var(--muted);border:0;border-radius:999px;padding:.65rem .4rem;font-weight:600;text-decoration:none;transition:all .18s}.btn{color:var(--text);cursor:pointer;text-align:center;border:0;border-radius:999px;font-family:inherit;font-weight:700;text-decoration:none;transition:all .18s}.btn-primary{background:linear-gradient(130deg,#4f6fff,#7c45eb);padding:.65rem 1rem}.btn-link{border:1px solid var(--card-border);background:0 0;padding:.45rem 1rem}.btn-auto{width:fit-content}.nav-link:hover,.nav-link:focus-visible{color:var(--text);background:linear-gradient(130deg,#2a3a73,#161f3f)}.btn:hover,.btn:focus-visible{filter:brightness(1.08)}.error-text{color:#ffb3b9;margin-top:-.25rem}.plain-list{margin:0;padding-left:1rem}.hero{gap:1rem;margin:1.2rem 0;display:grid}.card{background:linear-gradient(145deg, var(--card), #101a35);border:1px solid var(--card-border);border-radius:var(--radius);box-shadow:var(--elev);padding:1rem}.section-title{margin:0 0 .35rem;font-size:1.15rem}.muted{color:var(--muted)}.api-path{color:#a7b2ff;align-items:center;gap:.5rem;margin-top:.8rem;font-size:.82rem;display:inline-flex}.stack{gap:.8rem;display:grid}@media (min-width:760px){.hub-content{width:100%;max-width:960px;margin:0 auto;padding-bottom:2rem}.hub-nav{border-radius:999px 999px 0 0;max-width:760px;margin:0 auto 1.5rem}}