/* ========================================
   Mobile / Responsive
   ======================================== */

@media (max-width: 640px) {
  :root {
    --font-size-3xl: 32px;
    --font-size-2xl: 24px;
    --font-size-xl: 20px;
    --nav-bottom-height: 52px;
  }

  /* Top bar: only logo + auth, no screen links */
  #top-nav {
    height: auto;
    min-height: 44px;
  }

  .nav-inner {
    padding: 6px var(--space-sm);
    gap: 4px;
  }

  .nav-logo { font-size: var(--font-size-lg); margin-right: 4px; }

  /* Hide screen links from top nav on mobile */
  #nav-links {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    justify-content: space-around;
    gap: 0;
    background: #fff;
    border-top: 1px solid var(--border-light);
    padding: 6px 4px calc(6px + env(safe-area-inset-bottom, 0px));
    height: var(--nav-bottom-height);
    box-sizing: content-box;
  }

  #nav-links a {
    font-size: 11px;
    padding: 6px 4px 4px;
    border-radius: 8px;
    white-space: nowrap;
    flex: 1;
    text-align: center;
    background: transparent;
    min-width: 0;
  }

  #nav-links a:hover {
    background: var(--sering-off-white);
  }

  #nav-links a.active {
    background: var(--accent);
    color: var(--sering-off-white);
  }

  #app {
    padding: var(--space-md) var(--space-sm);
    padding-top: calc(44px + var(--space-md));
    padding-bottom: calc(var(--nav-bottom-height) + env(safe-area-inset-bottom, 0px) + var(--space-md));
  }

  .project-cards { grid-template-columns: 1fr; }
  .announcements-grid { grid-template-columns: 1fr; }
  .tier-buttons { grid-template-columns: 1fr; }
  .form-row { flex-direction: column; }
  .task-detail-fields { grid-template-columns: 1fr; }

  .project-stats { gap: var(--space-md); }

  .modal {
    width: 95%;
    padding: var(--space-lg);
    max-height: 85vh;
  }

  .overlay-card {
    padding: var(--space-lg);
  }

  #toast-container {
    left: var(--space-md);
    right: var(--space-md);
    bottom: var(--space-md);
  }

  .comment-form {
    flex-direction: column;
  }

  .comment-form-actions {
    align-self: flex-end;
  }

  /* Shopping list responsive */
  .shopping-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .shopping-table-head {
    display: none;
  }

  .shopping-row {
    grid-template-columns: 1fr;
    gap: 2px;
    padding: var(--space-sm) var(--space-md);
  }

  .shopping-row .sh-name { order: 1; }
  .shopping-row .sh-price::before { content: 'Price: '; color: var(--text-secondary); font-size: 0.75rem; }
  .shopping-row .sh-qty::before { content: 'Qty: '; color: var(--text-secondary); font-size: 0.75rem; }
  .shopping-row .sh-total::before { content: 'Total: '; color: var(--text-secondary); font-size: 0.75rem; }
  .shopping-row .sh-price,
  .shopping-row .sh-qty,
  .shopping-row .sh-total {
    text-align: left;
    order: 2;
  }
  .shopping-row .sh-status { order: 3; text-align: left; }
  .shopping-row .sh-actions { order: 4; justify-content: flex-start; }

  .shopping-row:has(.sh-actions) {
    grid-template-columns: 1fr;
  }

  /* Pending task actions — stack below content on mobile */
  .task-item.pending {
    flex-wrap: wrap;
  }

  .task-pending-actions {
    width: 100%;
    padding-left: calc(24px + var(--space-md));
    margin-top: var(--space-xs);
  }

  /* Pending project actions */
  .pending-actions {
    flex-wrap: wrap;
  }

  /* Report FAB — above bottom nav + toast */
  .report-fab {
    bottom: calc(var(--nav-bottom-height) + env(safe-area-inset-bottom, 0px) + 16px);
    right: 16px;
    width: 42px;
    height: 42px;
    font-size: var(--font-size-lg);
  }

  /* Report card header stacks on narrow screens */
  .report-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }

  /* Budget responsive */
  .budget-project-info {
    flex-wrap: wrap;
  }

  .budget-project-header {
    padding: var(--space-md);
  }

  .budget-foldout {
    padding: 0 var(--space-md) var(--space-md);
  }

  .budget-grand-total {
    align-items: flex-start;
  }

  /* Announcement detail responsive */
  .announcement-detail {
    padding: var(--space-md) var(--space-sm);
  }

  .announcement-detail .announcement-carousel img {
    height: 220px;
  }
}