/* Components layer: header/nav, cards, tabs, table, toast, drawer */

.header {
  position: sticky; top: 0; z-index: 50; backdrop-filter: blur(10px);
  background: color-mix(in oklab, var(--color-surface) 85%, transparent);
  border-bottom: 1px solid var(--color-border);
}
.header .brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }

.navbar { display: flex; align-items: center; justify-content: space-between; padding-block: 10px; }
.nav-links { display: flex; gap: 10px; flex-wrap: wrap; }
.nav-link { padding: 8px 12px; border-radius: var(--radius-md); color: var(--color-text); text-decoration: none; }
.nav-link[aria-current="page"], .nav-link.active { background: rgba(59,130,246,0.12); color: var(--color-primary-700); }

/* Drawer */
.nav-toggle { display: none; }
@media (max-width: 768px) {
  .nav-toggle { display: inline-flex; }
  .nav-links { position: fixed; inset: 0 0 auto auto; top: 60px; right: 0; width: min(85%, 360px); height: calc(100dvh - 60px); background: var(--color-surface); box-shadow: var(--shadow-lg); transform: translateX(100%); transition: transform var(--transition-std); padding: var(--space-5); flex-direction: column; }
  .nav-links.open { transform: translateX(0); }
}

/* Tabs */
.tabs { display: flex; gap: 8px; border-bottom: 1px solid var(--color-border); }
.tab { padding: 10px 14px; border-radius: var(--radius-pill); cursor: pointer; }
.tab[aria-selected="true"], .tab.active { background: rgba(59,130,246,0.1); color: var(--color-primary-700); }

/* Table */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 12px 14px; border-bottom: 1px solid var(--color-border); }
.table th { text-align: left; font-weight: 600; color: var(--color-muted); }

/* Toast */
.toast { position: fixed; right: 20px; top: 20px; z-index: 1000; padding: 12px 16px; color: #fff; border-radius: var(--radius-md); box-shadow: var(--shadow-md); }
.toast.success { background: var(--color-success); }
.toast.error { background: var(--color-danger); }
.toast.info { background: var(--color-primary); }

/* Card grid */
.card-grid { display: grid; gap: var(--space-5); grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card-title { font-size: var(--step-1); margin: 0 0 var(--space-2); }
.card-meta { color: var(--color-muted); font-size: var(--step--1); }