/* Responsive Styles for Mobile, Tablet, Laptop and Ultra-wide
   Calibration: 1ClickVet High-Density SaaS UI
   Breakpoints:
   - Ultra-Wide: > 1440px
   - Laptop / Standard Desktop: 1024px - 1440px
   - Tablet: 768px - 1023px
   - Mobile: < 768px
*/

/* Mobile Hamburger Button */
.btn-mobile-menu {
  display: none;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  background: var(--bg-surface-2);
  border: 1px solid var(--border-subtle);
  margin-right: 0.5rem;
  cursor: pointer;
}

.btn-mobile-menu:hover {
  background: var(--bg-surface-3);
  border-color: var(--border-strong);
}

/* ==========================================================================
   1. Laptop / Desktop Compact (1024px - 1440px)
   ========================================================================== */
@media (min-width: 1024px) and (max-width: 1440px) {
  .app-sidebar {
    width: 210px;
  }
  
  .app-content {
    padding: 1rem 1.25rem;
  }

  .kpi-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
  }

  .kpi-card {
    padding: 0.65rem 0.85rem;
  }

  .kpi-value {
    font-size: 1.35rem;
  }

  .call-detail-drawer {
    width: 440px;
  }
}

/* ==========================================================================
   2. Tablet (768px - 1023px)
   ========================================================================== */
@media (max-width: 1023px) {
  .btn-mobile-menu {
    display: flex;
  }

  .app-sidebar {
    position: fixed;
    top: var(--header-height, 54px);
    left: -240px;
    width: 230px;
    height: calc(100vh - var(--header-height, 54px));
    z-index: 95;
    box-shadow: var(--shadow-lg);
    transition: left 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .app-sidebar.open {
    left: 0;
  }

  .sidebar-backdrop {
    position: fixed;
    top: var(--header-height, 54px);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(2px);
    z-index: 92;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
  }

  .sidebar-backdrop.visible {
    opacity: 1;
    pointer-events: auto;
  }

  .app-content {
    padding: 1rem 1.15rem;
  }

  .header-center {
    max-width: 240px;
    margin: 0 0.75rem;
  }

  .call-detail-drawer {
    width: min(520px, 85vw);
  }

  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  /* Table allows horizontal scroll safely on tablet if needed */
  .table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* ==========================================================================
   3. Mobile (< 768px)
   ========================================================================== */
@media (max-width: 767px) {
  .app-header {
    padding: 0 0.75rem;
    height: 50px;
  }

  :root {
    --header-height: 50px;
  }

  .brand-badge,
  .brand-divider,
  .header-center,
  .user-info {
    display: none;
  }

  .app-sidebar {
    top: 50px;
    height: calc(100vh - 50px);
  }

  .sidebar-backdrop {
    top: 50px;
  }

  .app-content {
    padding: 0.75rem 0.85rem;
  }

  /* Drawer is full screen on mobile */
  .call-detail-drawer {
    width: 100vw;
    right: -100vw;
    top: 0;
    height: 100vh;
    z-index: 130;
    border-left: none;
  }

  /* Switch Table to Cards View for mobile ergonomcs */
  .table-wrapper {
    display: none !important;
  }

  .card-list-view {
    display: flex !important;
  }

  .kpi-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.55rem;
    margin-bottom: 0.85rem;
  }

  .kpi-card {
    padding: 0.65rem 0.75rem;
  }

  .kpi-value {
    font-size: 1.25rem;
  }

  .kpi-title {
    font-size: 0.68rem;
  }

  .toolbar-container {
    padding: 0.75rem 0.85rem;
    gap: 0.65rem;
  }

  .toolbar-main-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
  }

  .toolbar-title-group {
    justify-content: space-between;
  }

  .toolbar-actions {
    width: 100%;
    display: flex;
    gap: 0.5rem;
  }

  .toolbar-actions .btn-primary,
  .toolbar-actions .btn-secondary {
    flex: 1;
    justify-content: center;
    font-size: 0.78rem;
    padding: 0.45rem 0.65rem;
  }

  .filter-pills-row {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 0.35rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    gap: 0.45rem;
  }

  .btn-pill {
    flex-shrink: 0;
    font-size: 0.74rem;
    padding: 0.28rem 0.6rem;
  }

  .btn-clear-filters {
    flex-shrink: 0;
    margin-left: 0;
  }
}

/* Hide card-list-view on screens >= 768px */
@media (min-width: 768px) {
  .card-list-view {
    display: none !important;
  }
}