/* ═══════════════════════════════════════════════════════════
   BuildOS — Responsive CSS
   Comprehensive Tablet & Mobile Layout Rules for ALL Pages
═══════════════════════════════════════════════════════════ */

/* ─── Tablet Viewports (<= 1200px / <= 1024px) ─────────────── */
@media (max-width: 1200px) {
  .kpi-grid { grid-template-columns: repeat(3, 1fr) !important; }
}

@media (max-width: 1024px) {
  :root { --sidebar-width: 220px; }

  .kpi-grid { grid-template-columns: repeat(3, 1fr) !important; }
  .dashboard-grid { grid-template-columns: 1fr 1fr !important; }
  .dashboard-grid-2col { grid-template-columns: 1fr !important; }
  .grid-4 { grid-template-columns: repeat(2, 1fr) !important; }
  .grid-3 { grid-template-columns: repeat(2, 1fr) !important; }
  .projects-kpi-grid { grid-template-columns: repeat(2, 1fr) !important; }

  /* Automatic multi-column reflow for inline styled containers on tablet */
  div[style*="grid-template-columns:repeat(5"],
  div[style*="grid-template-columns: repeat(5"],
  div[style*="grid-template-columns:repeat(4"],
  div[style*="grid-template-columns: repeat(4"] {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  div[style*="grid-template-columns:repeat(3"],
  div[style*="grid-template-columns: repeat(3"] {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

/* ─── Mobile Viewports (<= 768px) ─────────────────────────── */
@media (max-width: 768px) {
  /* Prevent horizontal page spill */
  html, body {
    overflow-x: hidden !important;
    width: 100% !important;
    max-width: 100vw !important;
  }

  #app {
    width: 100% !important;
    max-width: 100vw !important;
    overflow-x: hidden !important;
    height: 100vh !important;
  }

  #main {
    width: 100% !important;
    max-width: 100vw !important;
    min-width: 0 !important;
    overflow-x: hidden !important;
  }

  #content {
    padding: 12px 12px 64px 12px !important;
    width: 100% !important;
    max-width: 100vw !important;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
  }

  /* Slide-in Mobile Drawer Sidebar */
  #sidebar {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    bottom: 0 !important;
    height: 100vh !important;
    width: 260px !important;
    min-width: 260px !important;
    z-index: calc(var(--z-modal) + 10) !important;
    transform: translateX(-100%) !important;
    transition: transform var(--transition-slow) !important;
    box-shadow: var(--shadow-2xl) !important;
  }

  #sidebar.mobile-open {
    transform: translateX(0) !important;
  }

  .sidebar-overlay {
    position: fixed !important;
    inset: 0 !important;
    background: rgba(0, 0, 0, 0.5) !important;
    backdrop-filter: blur(2px) !important;
    z-index: var(--z-modal) !important;
    display: none;
  }

  .sidebar-overlay.visible { display: block !important; }

  #mobile-menu-btn {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    width: 36px;
    height: 36px;
  }

  /* Responsive Topbar */
  #topbar {
    height: 56px !important;
    min-height: 56px !important;
    padding: 0 12px !important;
    gap: 8px !important;
    flex-wrap: nowrap !important;
  }

  .breadcrumb-group,
  .breadcrumb-sep {
    display: none !important;
  }

  .topbar-center {
    margin: 0 6px !important;
    max-width: 200px !important;
    flex: 1;
  }

  .search-input-wrapper {
    padding: 5px 8px !important;
  }

  .search-input-wrapper input {
    font-size: 12px !important;
  }

  .search-kbd {
    display: none !important;
  }

  .topbar-date {
    display: none !important;
  }

  .topbar-divider {
    display: none !important;
  }

  .topbar-right {
    gap: 4px !important;
    margin-left: auto;
  }

  .user-info {
    display: none !important;
  }

  .dropdown-chevron {
    display: none !important;
  }

  #active-project-label {
    max-width: 75px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  /* Page Header & Actions */
  .page-header {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 10px !important;
    margin-bottom: var(--space-4) !important;
  }

  .page-actions {
    width: 100% !important;
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 6px !important;
  }

  .page-actions .btn {
    flex: 1 1 auto !important;
    text-align: center !important;
    justify-content: center !important;
  }

  /* Horizontal Scrollable Tabs */
  .tabs {
    display: flex !important;
    overflow-x: auto !important;
    white-space: nowrap !important;
    flex-wrap: nowrap !important;
    scrollbar-width: none !important;
    -webkit-overflow-scrolling: touch !important;
    margin-bottom: var(--space-4) !important;
    padding-bottom: 2px !important;
  }
  .tabs::-webkit-scrollbar { display: none; }
  .tabs .tab {
    flex-shrink: 0 !important;
    padding: 8px 12px !important;
    font-size: 12px !important;
  }

  /* Responsive Grids for ALL Pages */
  .kpi-grid,
  .projects-kpi-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
  }

  .dashboard-grid,
  .dashboard-grid-2col,
  .projects-grid,
  .clients-grid,
  .leads-grid,
  .grid-2,
  .grid-3,
  .grid-4,
  .grid-layout {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  /* Universal inline grid catch-all for all modules (Site, Finance, WhatsApp, Labour, etc.) */
  div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }

  /* Form rows */
  .form-row, .form-row-3, form div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }

  /* Tables & Control Tower: smooth horizontal scroll on touch screens */
  .table-container,
  .ct-grid-wrapper {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    width: 100% !important;
    max-width: 100% !important;
    scrollbar-width: thin !important;
  }

  .table-container {
    margin-bottom: 16px !important;
  }

  .table-container table,
  .table-container .data-table {
    min-width: 540px !important;
    width: 100% !important;
  }

  .ct-grid {
    min-width: 660px !important;
    width: 100% !important;
    grid-template-columns: minmax(180px, 2fr) minmax(120px, 1.2fr) 95px 105px 95px 85px !important;
  }

  .table-toolbar {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 8px !important;
    padding: 10px 12px !important;
  }

  .table-toolbar-left,
  .table-toolbar-right {
    width: 100% !important;
    flex-wrap: wrap !important;
    gap: 6px !important;
  }

  .table-toolbar-left input,
  .table-toolbar-left select,
  .table-toolbar-right select,
  .table-toolbar-right button {
    width: 100% !important;
    max-width: none !important;
  }

  /* Daily Reports Master-Detail Responsive on Mobile */
  .daily-reports-grid {
    display: block !important;
  }

  .daily-reports-grid.show-detail #report-list-column {
    display: none !important;
  }

  .daily-reports-grid.show-detail #report-detail-pane {
    display: block !important;
  }

  .daily-reports-grid.show-list #report-detail-pane {
    display: none !important;
  }

  .daily-reports-grid.show-list #report-list-column {
    display: block !important;
  }

  .reports-mobile-toggle {
    display: block !important;
  }

  #back-to-reports-btn {
    display: inline-flex !important;
  }

  #report-list {
    max-height: none !important;
    overflow-y: visible !important;
  }

  #report-detail-pane {
    margin-top: 0 !important;
  }

  /* Modals on Mobile */
  .modal {
    width: 95vw !important;
    max-width: 95vw !important;
    margin: 8px auto !important;
    max-height: 90vh !important;
  }

  .modal-body {
    max-height: calc(88vh - 110px) !important;
    overflow-y: auto !important;
    padding: 14px !important;
  }

  .modal-footer {
    flex-wrap: wrap !important;
    gap: 8px !important;
    padding: 10px 14px !important;
  }

  .modal-footer .btn {
    flex: 1 1 auto !important;
    text-align: center !important;
  }

  /* Charts */
  .donut-chart-container {
    flex-direction: column !important;
    gap: 14px !important;
  }
}

/* ─── Extra Small Mobile (<= 480px) ────────────────────────── */
@media (max-width: 480px) {
  .kpi-grid,
  .projects-kpi-grid {
    grid-template-columns: 1fr !important;
  }

  .kpi-value {
    font-size: var(--text-xl) !important;
  }

  .timeline {
    padding-left: 20px !important;
  }

  .timeline-item::before {
    left: -24px !important;
  }
}

/* ─── Daily Reports Master-Detail Base (Desktop/Tablet) ─── */
.daily-reports-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: var(--space-5);
  align-items: start;
}

.reports-mobile-toggle {
  display: none;
}

#back-to-reports-btn {
  display: none;
}

/* ─── Sidebar styling & module names ────────────────────── */
#sidebar .nav-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--clr-text-secondary);
  white-space: nowrap;
  letter-spacing: -0.01em;
}

#sidebar .nav-item:hover .nav-label {
  color: var(--clr-text-primary);
}

#sidebar .nav-item.active .nav-label {
  color: #007AFF;
  font-weight: 600;
}

#sidebar .nav-group-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  color: var(--clr-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 12px 16px 4px;
}

/* ─── Print-friendly helpers ─────────────────────────────── */
@media print {
  #sidebar, #topbar,
  .page-actions, .table-toolbar,
  .btn:not(.print-include),
  #toast-container, #command-palette-overlay,
  .no-print { display: none !important; }

  #app { height: auto; overflow: visible; }
  #main { height: auto; overflow: visible; }
  #content { padding: 0; overflow: visible; height: auto; }

  body {
    background: white;
    color: black;
    font-size: 11pt;
  }

  .card, .table-container {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}