:root {
  --crm-brand: #b42318;
  --crm-brand-rgb: 180, 35, 24;
  --crm-sidebar-width: 16rem;
  --crm-sidebar-collapsed-width: 4.5rem;
}

/* Brand */
.navbar-brand,
.nav-link.active,
.text-crm-brand {
  color: var(--crm-brand) !important;
}

.btn-primary {
  --tblr-btn-bg: var(--crm-brand);
  --tblr-btn-border-color: var(--crm-brand);
  --tblr-btn-hover-bg: #9a1e14;
  --tblr-btn-hover-border-color: #9a1e14;
}

.bg-crm-brand {
  background-color: var(--crm-brand) !important;
}

/* Layout shell */
.crm-page-wrapper {
  min-height: 100vh;
  display: flex;
}

.crm-sidebar {
  width: var(--crm-sidebar-width);
  flex-shrink: 0;
  transition: width 0.2s ease;
  border-right: 1px solid var(--tblr-border-color);
  background: var(--tblr-bg-surface);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 1030;
}

.crm-sidebar-brand {
  padding: 1rem 1.25rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--crm-brand);
  border-bottom: 1px solid var(--tblr-border-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.crm-sidebar .nav-link,
#sidebar-offcanvas .nav-link {
  color: var(--tblr-body-color);
  border-radius: 0.375rem;
  padding: 0.5rem 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.crm-sidebar .nav-link:hover,
#sidebar-offcanvas .nav-link:hover {
  background: rgba(var(--crm-brand-rgb), 0.08);
  color: var(--crm-brand);
}

.crm-sidebar .nav-link.active,
#sidebar-offcanvas .nav-link.active {
  background: rgba(var(--crm-brand-rgb), 0.12);
  color: var(--crm-brand);
  font-weight: 600;
}

.crm-sidebar .nav-link .nav-link-icon,
#sidebar-offcanvas .nav-link .nav-link-icon {
  width: 1.25rem;
  text-align: center;
  flex-shrink: 0;
}

.crm-sidebar .nav-submenu,
#sidebar-offcanvas .nav-submenu {
  padding-left: 2rem;
}

.crm-sidebar .nav-submenu .nav-link,
#sidebar-offcanvas .nav-submenu .nav-link {
  font-size: 0.875rem;
  padding: 0.375rem 0.75rem;
}

.crm-sidebar .nav-group-toggle::after,
#sidebar-offcanvas .nav-group-toggle::after {
  content: '\F282';
  font-family: 'bootstrap-icons';
  margin-left: auto;
  transition: transform 0.2s;
  font-size: 0.75rem;
}

.crm-sidebar .nav-group-toggle.collapsed::after,
#sidebar-offcanvas .nav-group-toggle.collapsed::after {
  transform: rotate(-90deg);
}

body.crm-sidebar-collapsed .crm-sidebar {
  width: var(--crm-sidebar-collapsed-width);
}

body.crm-sidebar-collapsed .crm-sidebar-brand span,
body.crm-sidebar-collapsed .crm-sidebar .nav-link-title,
body.crm-sidebar-collapsed .crm-sidebar .nav-group-toggle::after,
body.crm-sidebar-collapsed .crm-sidebar .nav-submenu {
  display: none !important;
}

body.crm-sidebar-collapsed .crm-sidebar .nav-link {
  justify-content: center;
  padding: 0.625rem;
}

.crm-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.crm-navbar {
  border-bottom: 1px solid var(--tblr-border-color);
  background: var(--tblr-bg-surface);
  position: sticky;
  top: 0;
  z-index: 1020;
}

.crm-page-content {
  flex: 1;
  padding: 1.25rem 1.5rem 2rem;
}

.crm-footer {
  border-top: 1px solid var(--tblr-border-color);
  padding: 1rem 1.5rem;
  color: var(--tblr-secondary);
  font-size: 0.875rem;
}

/* Legacy compatibility during migration */
.crm-container {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
}

.crm-page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.crm-page-header h1,
.crm-page-header h2 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
}

.crm-card {
  background: var(--tblr-bg-surface);
  border: 1px solid var(--tblr-border-color);
  border-radius: var(--tblr-border-radius);
  box-shadow: var(--tblr-box-shadow-input);
}

.crm-card .card-header {
  background: transparent;
  border-bottom: 1px solid var(--tblr-border-color);
}

.crm-table {
  margin-bottom: 0;
}

.crm-search-panel {
  margin-bottom: 1.25rem;
}

/* Notifications */
.crm-notify-badge {
  font-size: 0.65rem;
  min-width: 1.1rem;
}

.crm-notify-menu {
  min-width: 320px;
  max-width: 380px;
}

.crm-notify-list .dropdown-item {
  white-space: normal;
  border-bottom: 1px solid var(--tblr-border-color);
}

.crm-notify-list .dropdown-item.unread {
  background: rgba(var(--crm-brand-rgb), 0.06);
}

.crm-toast-container {
  z-index: 1080;
}

/* DataTables */
.dataTables_wrapper .dataTables_filter input {
  margin-left: 0.5rem;
}

table.dataTable thead th {
  white-space: nowrap;
}

.crm-dt-wide .dataTables_wrapper .dataTables_length,
.crm-dt-wide .dataTables_wrapper .dataTables_filter {
  margin-bottom: 0.75rem;
}

.crm-dt-wide .dataTables_wrapper .dt-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  justify-content: flex-end;
  margin-bottom: 0.75rem;
}

.crm-dt-wide .dataTables_wrapper .dt-buttons .btn {
  margin: 0;
}

.crm-dt-wide div.dataTables_wrapper div.dataTables_scrollHead table.dataTable {
  margin-bottom: 0;
}

.crm-dt-wide table.dataTable.card-table thead th {
  background: var(--tblr-bg-surface-secondary, #f8fafc);
  color: var(--tblr-body-color, #1f2937);
  font-weight: 600;
  border-bottom: 1px solid var(--tblr-border-color, #e3e7ee);
  vertical-align: middle;
}

.crm-dt-wide table.dataTable.card-table tbody td {
  vertical-align: middle;
}

.crm-dt-wide table.dataTable.card-table tbody td.text-end {
  font-variant-numeric: tabular-nums;
}

.crm-dt-wide .dataTables_wrapper .dataTables_info {
  padding-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--tblr-secondary, #667382);
}

.crm-dt-wide .dataTables_wrapper .dataTables_paginate {
  padding-top: 0.75rem;
}

.crm-dt-wide .dataTables_wrapper .dataTables_paginate .paginate_button {
  border-radius: 0.375rem;
}

.crm-dt-wide .dataTables_scrollBody {
  border-bottom: 1px solid var(--tblr-border-color, #e3e7ee);
}

table.dataTable thead .sorting,
table.dataTable thead .sorting_asc,
table.dataTable thead .sorting_desc,
table.dataTable thead .sorting_asc_disabled,
table.dataTable thead .sorting_desc_disabled {
  cursor: pointer;
  position: relative;
}

.btt-order-list table.dataTable thead th {
  border-bottom: 1px solid var(--tblr-border-color);
}

/* Dashboard */
.crm-stat-card .stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.2;
}

.crm-dashboard-shortcuts .card-link {
  height: 100%;
}

.crm-dashboard-shortcuts button.card-link {
  cursor: pointer;
  background: var(--tblr-bg-surface, #fff);
}

.crm-chart-card {
  min-height: 280px;
}

/* Empty state */
.crm-empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--tblr-secondary);
}

.crm-empty-state i {
  font-size: 3rem;
  opacity: 0.4;
  margin-bottom: 1rem;
}

/* Mobile */
@media (max-width: 991.98px) {
  .crm-sidebar {
    display: none;
  }

  .crm-page-content {
    padding: 1rem;
  }
}

/* Flatpickr: ẩn calendar khi chưa mở (phòng trường hợp CSS chưa load) */
.flatpickr-calendar {
  display: none;
  position: absolute;
  z-index: 1090;
}

.flatpickr-calendar.open,
.flatpickr-calendar.inline {
  display: block;
}

/* Guest layout sync */
.crm-guest-header {
  background: var(--tblr-bg-surface);
  border-bottom: 1px solid var(--tblr-border-color);
  padding: 0.75rem 1rem;
}

.crm-guest-brand {
  font-weight: 700;
  color: var(--crm-brand);
  text-decoration: none;
}