/* Phase 9 — responsive overrides at mobile + tablet breakpoints.
 *
 * Mobile-first body sizing is already in base/components/layout;
 * the queries below only kick in for narrower viewports where the
 * desktop layouts would otherwise crowd or overflow.
 */

/* ---------------- Tablet (≤1024px) ---------------- */
@media (max-width: 1024px) {
  .tenant-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }
}

/* ---------------- Mobile (≤640px) ---------------- */
@media (max-width: 640px) {
  :root {
    --container-pad: var(--container-pad-sm);
  }

  body { font-size: var(--font-size-body); }
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.25rem; }

  .page-container {
    padding: var(--space-4) var(--container-pad-sm);
  }

  /* --- Top nav becomes a hamburger drawer --- */
  .app-nav-inner {
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
  }
  .nav-toggle-label {
    display: inline-flex;
    margin-left: auto;
  }
  .app-nav .nav-links,
  .app-nav .user-menu {
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
    padding: var(--space-2) 0;
    display: none;
  }
  .nav-toggle:checked ~ .app-nav-inner .nav-links,
  .nav-toggle:checked ~ .app-nav-inner .user-menu {
    display: flex;
  }
  .app-nav .nav-links a,
  .app-nav .user-menu a {
    padding: var(--space-3) var(--space-3);
    border-radius: var(--radius);
  }
  .app-nav .user-menu {
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-2);
    padding-top: var(--space-3);
  }

  /* --- Sub-nav scrolls horizontally on small screens --- */
  .tenant-subnav {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: var(--space-2);
    margin-bottom: var(--space-4);
  }
  .tenant-subnav a { white-space: nowrap; flex-shrink: 0; }

  /* --- KPI strip stacks vertically --- */
  .kpi-strip { grid-template-columns: 1fr; }

  /* --- Tenant grid → 1 col --- */
  .tenant-grid { grid-template-columns: 1fr; }

  /* --- Score strip stacks --- */
  .score-strip { grid-template-columns: 1fr; }

  /* --- Tables → cards: each row becomes a card with stacked cells.
   *      Only applies where we tag with .table-stack. */
  .table-stack thead { display: none; }
  .table-stack tbody tr {
    display: block;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
    padding: var(--space-3);
  }
  .table-stack tbody td {
    display: flex;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    border: 0;
  }
  .table-stack tbody td::before {
    content: attr(data-label);
    color: var(--color-text-muted);
    font-size: var(--font-size-micro);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    flex-shrink: 0;
  }
  .table-stack tbody tr:hover { background: var(--color-bg); }

  /* --- Tenant detail header stacks --- */
  .tenant-header { flex-direction: column; }
  .tenant-header-quiet { padding-top: 0; }

  /* --- Forms become full-width --- */
  .form-inline { flex-direction: column; align-items: stretch; }
  .form-inline .btn { width: 100%; }

  /* --- Filter bar stacks --- */
  .filter-bar { flex-direction: column; gap: var(--space-3); }

  /* --- Toast container respects screen edge --- */
  .toast-container {
    top: var(--space-2);
    right: var(--space-2);
    left: var(--space-2);
    max-width: none;
  }
  .toast { min-width: 0; max-width: none; }

  /* --- Buttons reach the minimum 44px tap target by virtue of the
   *      regular padding + min-height we set on .btn. Bump ghost to
   *      match. --- */
  .btn-ghost { min-height: 44px; }
}