/* Phone layout (max-width 768px) */

@media (max-width: 768px) {
  /* sidebar becomes a drawer that slides in from the left */
  #sidebar {
    width: min(300px, 85vw);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 400;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    visibility: hidden;
  }

  body.nav-open #sidebar {
    transform: translateX(0);
    visibility: visible;
  }

  #nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    z-index: 390;
  }

  body.nav-open #nav-backdrop {
    display: block;
  }

  #mobile-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    position: sticky;
    top: 0;
    z-index: 120;
    height: 52px;
    padding: 0 16px;
    background: #0f172a;
    color: #fff;
  }

  #nav-toggle {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    border-radius: 8px;
    padding: 6px 12px;
    font: 600 0.85rem 'Inter', sans-serif;
    cursor: pointer;
  }

  #nav-toggle:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
  }

  .mobile-bar-brand {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 0.95rem;
  }

  /* page headers: wrap instead of running off the screen */
  .topbar {
    position: static;
    flex-wrap: wrap;
    gap: 10px;
    padding: 12px 16px;
  }

  .topbar > div {
    flex-wrap: wrap !important;
    max-width: 100%;
  }

  .profile-nav { margin-left: 0; }

  /* calendar: compact grid with coloured dots, plus the month's list underneath */
  .calendar-grid { grid-template-columns: repeat(7, minmax(0, 1fr)); }
  .cal-header { padding: 6px 0; font-size: 0.62rem; letter-spacing: 0; }
  .cal-day { min-height: 46px; padding: 4px; }
  .cal-day.has-events { cursor: pointer; }
  .cal-date { font-size: 0.72rem; margin-bottom: 3px; }
  .cal-day .cal-event {
    display: inline-block;
    width: 8px;
    height: 8px;
    padding: 0;
    margin: 0 2px 2px 0;
    border-radius: 50%;
    font-size: 0;
    overflow: hidden;
    background: currentColor;
    pointer-events: none;
  }
  .cal-agenda { display: block; margin-top: 18px; }
  .cal-agenda h3 { font-size: 0.9rem; color: var(--navy); margin-bottom: 10px; }
  .cal-agenda-day { margin-bottom: 12px; scroll-margin-top: 60px; }
  .cal-agenda-date { font-size: 0.72rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; }
  .cal-agenda-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    text-align: left;
    padding: 10px 12px;
    margin-bottom: 6px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    font: 0.84rem 'Inter', sans-serif;
    color: var(--slate);
    cursor: pointer;
  }
  .cal-agenda-item strong { color: var(--navy); }
  .cal-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; background: currentColor; }
  .cal-agenda-empty { font-size: 0.84rem; color: var(--muted); }

  .topbar .search-bar,
  .topbar .search-bar input {
    max-width: 100%;
  }

  /* wide tables scroll sideways inside their card */
  .table-wrap,
  .section-card {
    overflow-x: auto;
    max-width: 100%;
  }

  .table-wrap table {
    min-width: 560px;
  }

  /* dashboard: two stat cards per row, then one column */
  #stat-cards {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
    margin-bottom: 16px !important;
  }

  .dash-grid {
    grid-template-columns: 1fr !important;
  }

  /* any side-by-side layout written inline on a page (Reports, profile Overview, …) stacks;
     #stat-cards keeps its 2 per row (the id rule above wins), the calendar keeps 7 days */
  .content [style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }

  .content [style*="grid-column"] {
    grid-column: auto !important;
  }

  .tab-btn {
    white-space: nowrap;
  }

  #profile-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  #main {
    margin-left: 0;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-span-2 {
    grid-column: span 1;
  }

  .content {
    padding: 16px;
  }
}