:root{--bg:#f4f6f8;--surface:#fff;--text:#14222e;--muted:#5b6b78;--brand:#0f3d5e;--brand-contrast:#fff;--border:#d5dde3;--touch:48px;color:var(--text);background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{background:var(--bg);-webkit-tap-highlight-color:transparent;min-height:100vh;margin:0}.shell{flex-direction:column;min-height:100vh;display:flex}.shell-header{background:var(--brand);min-height:64px;color:var(--brand-contrast);flex-wrap:wrap;align-items:center;gap:16px;padding:0 16px;display:flex}.brand{font-size:1.25rem;font-weight:700}nav{flex-wrap:wrap;gap:4px;display:flex}.nav-link{min-height:var(--touch);color:var(--brand-contrast);border-radius:8px;align-items:center;padding:0 16px;text-decoration:none;display:inline-flex}.nav-link.active{background:#ffffff2e}.shell-main{flex:1;width:100%;max-width:1100px;margin:0 auto;padding:24px 16px}.page{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:24px}.muted{color:var(--muted)}.status{grid-template-columns:max-content 1fr;gap:8px 24px;display:grid}.status dt{color:var(--muted)}.status dd{margin:0}