:root {
  --clr-primary: #C92D9A;
  --clr-primary-50: #F9E8F5;
  --clr-primary-100: #F0C4E5;
  --clr-primary-700: #A1247B;
  --clr-primary-900: #731856;
  --clr-secondary: #2899DF;
  --clr-secondary-50: #E8F4FB;
  --clr-secondary-700: #1F7AB2;
  --clr-accent: #FDBB29;
  --clr-accent-50: #FFF8E6;
  --clr-accent-700: #E5A620;
  --clr-success: #10B981;
  --clr-danger: #EF4444;
  --clr-warning: #F59E0B;
  --clr-info: #6366F1;
  --clr-white: #FFFFFF;
  --clr-gray-50: #F8F9FA;
  --clr-gray-100: #F1F3F5;
  --clr-gray-200: #E9ECEF;
  --clr-gray-300: #DEE2E6;
  --clr-gray-400: #CED4DA;
  --clr-gray-500: #ADB5BD;
  --clr-gray-600: #6C757D;
  --clr-gray-700: #495057;
  --clr-gray-800: #343A40;
  --clr-gray-900: #212529;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Cascadia Code', 'Consolas', monospace;
  --sidebar-width: 280px;
  --topbar-height: 60px;
}

body {
  font-family: var(--font-sans);
  background: var(--clr-gray-50);
  color: var(--clr-gray-700);
  font-size: 14px;
}

.w-280 { width: 280px; }
.h-60 { height: 60px; }

.bg-primary-50 { background-color: var(--clr-primary-50); }
.bg-secondary-50 { background-color: var(--clr-secondary-50); }
.bg-accent-50 { background-color: var(--clr-accent-50); }
.text-primary-50 { color: var(--clr-primary-50); }
.text-gray-400 { color: var(--clr-gray-400); }
.text-gray-500 { color: var(--clr-gray-500); }
.text-gray-600 { color: var(--clr-gray-600); }
.text-gray-700 { color: var(--clr-gray-700); }
.text-gray-800 { color: var(--clr-gray-800); }
.border-gray-200 { border-color: var(--clr-gray-200) !important; }

.sidebar {
  width: var(--sidebar-width);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  background: linear-gradient(180deg, var(--clr-primary) 0%, var(--clr-primary-700) 100%);
  z-index: 1040;
  overflow-y: auto;
  transition: transform 0.25s ease-in-out;
}

.sidebar .nav-link {
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 400;
  color: #fff;
  border-radius: 8px;
  margin: 2px 12px;
  transition: all 0.15s ease-in-out;
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar .nav-link:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
}

.sidebar .nav-link.active {
  background: rgba(255,255,255,0.15);
  font-weight: 600;
  color: #fff;
  border-left: 3px solid var(--clr-accent);
  border-radius: 0 8px 8px 0;
  margin-left: 0;
  padding-left: 15px;
}

.sidebar .nav-link i {
  font-size: 18px;
  width: 20px;
  text-align: center;
}

.sidebar-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--clr-gray-500);
  padding: 20px 16px 8px;
  display: block;
}

.topbar {
  position: fixed;
  top: 0;
  right: 0;
  height: var(--topbar-height);
  background: var(--clr-white);
  border-bottom: 1px solid var(--clr-gray-200);
  padding: 0 24px;
  z-index: 1030;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.main-content {
  margin-left: var(--sidebar-width);
  padding-top: var(--topbar-height);
  min-height: 100vh;
}

.content-wrapper {
  padding: 24px;
}

@media (max-width: 991.98px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.show {
    transform: translateX(0);
  }
  .main-content {
    margin-left: 0;
  }
  .topbar {
    left: 0;
  }
}

.btn-ghost {
  background: transparent;
  border: none;
  color: var(--clr-gray-700);
  border-radius: 8px;
  padding: 0.5rem 1rem;
  font-size: 14px;
}

.btn-ghost:hover {
  background: var(--clr-gray-100);
}

.stat-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.table th {
  font-size: 13px;
  font-weight: 600;
  color: var(--clr-gray-600);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.badge {
  font-weight: 600;
  letter-spacing: 0.2px;
}

.badge.bg-leave {
  background-color: #0d6efd !important;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  color: #fff;
  background: var(--clr-primary);
  object-fit: cover;
}

.input-validation-error {
  border-color: var(--clr-danger) !important;
}

.input-validation-error:focus {
  border-color: var(--clr-danger) !important;
  box-shadow: 0 0 0 0.2rem rgba(239, 68, 68, 0.25) !important;
}

.field-validation-error {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  font-size: 0.875em;
  color: var(--clr-danger);
}

.validation-summary-errors ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.validation-summary-errors li {
  color: var(--clr-danger);
  font-size: 0.875em;
}

.heatmap-table th:first-child,
.heatmap-table td:first-child {
  position: sticky;
  left: 0;
  z-index: 2;
  background-color: var(--clr-white);
}

.heatmap-table thead th:first-child {
  z-index: 3;
  background-color: var(--clr-gray-50);
}

/* ── DataTables styling ── */

.dt-container .dt-layout-row {
  margin-bottom: 0;
}

.dt-container .dt-layout-cell {
  padding: 0;
}

/* Length menu (page size) */
.dt-container .dt-length {
  margin-bottom: 1rem;
  font-size: 13px;
  color: var(--clr-gray-600);
}

.dt-container .dt-length select.form-select,
.dataTables_wrapper .dataTables_length select {
  display: inline-block;
  width: auto;
  min-width: 60px;
  margin: 0 4px;
  font-size: 13px;
  padding: 4px 24px 4px 8px;
  border: 1px solid var(--clr-gray-200);
  border-radius: 8px;
  background-position: right 6px center;
}

/* Info text */
.dt-container .dt-info,
.dataTables_wrapper .dataTables_info {
  padding-top: 1rem;
  font-size: 13px;
  color: var(--clr-gray-600);
}

/* Pagination */
.dt-container .dt-paging,
.dataTables_wrapper .dataTables_paginate {
  padding-top: 1rem;
  text-align: right;
}

.dt-container .dt-paging .pagination,
.dataTables_wrapper .dataTables_paginate .pagination {
  justify-content: flex-end;
  margin-bottom: 0;
}

.dt-container .dt-paging .page-link,
.dataTables_wrapper .dataTables_paginate .page-link {
  border: none;
  border-radius: 6px;
  color: var(--clr-gray-700);
  padding: 4px 10px;
  font-size: 13px;
  margin: 0 1px;
  background: transparent;
  transition: all 0.15s ease-in-out;
}

.dt-container .dt-paging .page-link:hover,
.dataTables_wrapper .dataTables_paginate .page-link:hover {
  background: var(--clr-gray-100);
  color: var(--clr-gray-700);
}

.dt-container .dt-paging .page-item.active .page-link,
.dataTables_wrapper .dataTables_paginate .page-item.active .page-link {
  background: var(--clr-primary);
  color: var(--clr-white);
}

.dt-container .dt-paging .page-item.disabled .page-link,
.dataTables_wrapper .dataTables_paginate .page-item.disabled .page-link {
  color: var(--clr-gray-400);
  cursor: not-allowed;
  background: transparent;
}

.dt-container .dt-paging .page-item.disabled .page-link:hover,
.dataTables_wrapper .dataTables_paginate .page-item.disabled .page-link:hover {
  background: transparent;
}

/* Processing indicator */
.dt-container .dt-processing,
.dataTables_wrapper .dataTables_processing {
  font-size: 13px;
  color: var(--clr-gray-600);
  background: var(--clr-white);
  border: 1px solid var(--clr-gray-200);
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  padding: 8px 16px;
}