@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --brand-primary: #2563eb;
  --brand-primary-hover: #1d4ed8;
  --surface: #ffffff;
  --surface-muted: #f8fafc;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-muted: #64748b;
  --radius: 0.5rem;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 72px;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background-color: var(--surface-muted);
}

/* Legacy compatibility */
.table-fs {
  font-size: 0.875rem;
}

.btn-xs {
  padding: 0.25rem 0.4rem;
  font-size: 0.75rem;
  line-height: 1;
  border-radius: 0.25rem;
}

.table-clrB { background-color: #dbeafe; }
.table-clrG { background-color: #dcfce7; }
.table-clrR { background-color: #fee2e2; }
.table-clrY { background-color: #fef9c3; }

.bg-color,
.btn-color {
  background-color: var(--brand-primary) !important;
  border-color: var(--brand-primary) !important;
  color: #fff !important;
}

.bg-color:hover,
.btn-color:hover,
.btn-brand:hover {
  background-color: var(--brand-primary-hover) !important;
  border-color: var(--brand-primary-hover) !important;
  color: #fff !important;
}

.txt-color {
  color: var(--brand-primary) !important;
}

.btn-brand {
  background-color: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #fff;
}

.btn-brand:hover {
  background-color: var(--brand-primary-hover);
  border-color: var(--brand-primary-hover);
  color: #fff;
}

.btn-outline-brand {
  color: var(--brand-primary);
  border-color: var(--brand-primary);
}

.btn-outline-brand:hover {
  background-color: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #fff;
}

/* App layout */
.app-shell {
  min-height: 100vh;
}

.app-main {
  flex: 1;
  min-width: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
}

/* Sidebar */
.app-sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  max-height: 100vh;
  background: var(--surface);
  border-right: 1px solid var(--border);
  transition: width 0.2s ease, min-width 0.2s ease;
  overflow-y: auto;
  overflow-x: hidden;
}

.app-sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
  min-width: var(--sidebar-collapsed-width);
}

.app-sidebar .sidebar-brand img {
  max-height: 56px;
  object-fit: contain;
}

.app-sidebar.collapsed .sidebar-brand-text,
.app-sidebar.collapsed .nav-label,
.app-sidebar.collapsed .nav-group-label,
.app-sidebar.collapsed .sidebar-user-info,
.app-sidebar.collapsed .sidebar-footer-text {
  display: none !important;
}

.app-sidebar.collapsed .nav-link-app {
  justify-content: center;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}

.app-sidebar.collapsed .nav-link-app i {
  margin-right: 0 !important;
}

.nav-group-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0.75rem 0.75rem 0.25rem;
}

.nav-link-app {
  display: flex;
  align-items: center;
  padding: 0.5rem 0.75rem;
  margin: 0.125rem 0.5rem;
  border-radius: var(--radius);
  color: var(--text);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
  border-left: 3px solid transparent;
}

.nav-link-app:hover {
  background: var(--surface-muted);
  color: var(--brand-primary);
}

.nav-link-app.active {
  background: rgba(var(--bs-primary-rgb), 0.1);
  color: var(--brand-primary);
  border-left-color: var(--brand-primary);
  font-weight: 600;
}

.sidebar-user {
  padding: 0.75rem;
  margin: 0.5rem;
  border-radius: var(--radius);
  background: var(--surface-muted);
}

.sidebar-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--brand-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.sidebar-toggle {
  border: none;
  background: transparent;
  color: var(--text-muted);
  padding: 0.25rem;
  border-radius: var(--radius);
}

.sidebar-toggle:hover {
  background: var(--surface-muted);
  color: var(--text);
}

/* Header */
.app-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.25rem;
  position: sticky;
  top: 0;
  z-index: 1020;
}

.app-header-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0;
  color: var(--text);
}

.app-header-subtitle {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0;
}

/* Page header */
.page-header {
  margin-bottom: 1.25rem;
}

.page-header__title {
  font-size: 1.375rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
  color: var(--text);
}

.page-header__subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 0;
}

/* Cards */
.card-app {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 2px);
  box-shadow: var(--shadow-sm);
}

.card-app .card-header {
  background: transparent;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  padding: 0.875rem 1rem;
}

.card-app .card-body {
  padding: 1rem;
}

.card-stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 2px);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem;
  height: 100%;
}

.card-stat--primary {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-hover));
  border: none;
  color: #fff;
}

.card-stat--success {
  background: linear-gradient(135deg, #16a34a, #15803d);
  border: none;
  color: #fff;
}

.card-stat--danger {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  border: none;
  color: #fff;
}

.card-stat--purple {
  background: linear-gradient(135deg, #7c3aed, #6d28d9);
  border: none;
  color: #fff;
}

.card-stat--amber {
  background: linear-gradient(135deg, #d97706, #b45309);
  border: none;
  color: #fff;
}

.card-stat__label {
  font-size: 0.8125rem;
  opacity: 0.9;
  margin-bottom: 0.25rem;
}

.card-stat__value {
  font-size: 1.5rem;
  font-weight: 700;
}

/* Filter bar */
.filter-bar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
}

/* Tables */
.table-app {
  font-size: 0.875rem;
}

.table-app thead th {
  background: var(--surface-muted);
  border-bottom: 2px solid var(--border);
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  position: sticky;
  top: 0;
  z-index: 1;
}

.table-app tbody tr:hover {
  background-color: rgba(var(--bs-primary-rgb), 0.04);
}

.table-responsive-app {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: auto;
}

/* Forms */
.form-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 0.2rem rgba(var(--bs-primary-rgb), 0.15);
}

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

.empty-state i {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  opacity: 0.5;
}

/* Sign in */
.signin-page {
  min-height: 100vh;
  display: flex;
}

.signin-brand {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-hover));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.signin-card {
  max-width: 420px;
  width: 100%;
  padding: 2rem;
}

.signin-card .card-app {
  padding: 2rem;
}

.password-toggle-btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

/* Loading */
.btn.is-loading {
  pointer-events: none;
  opacity: 0.75;
}

/* Modal */
.modal-header-app {
  background: var(--text);
  color: #fff;
}

/* Scrollbar */
.app-sidebar,
.app-main,
.offcanvas-body {
  scrollbar-width: thin;
  scrollbar-color: #cbd5e1 transparent;
}

.app-sidebar::-webkit-scrollbar,
.app-main::-webkit-scrollbar {
  width: 6px;
}

.app-sidebar::-webkit-scrollbar-thumb,
.app-main::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}

/* Form stack inside cards (no row required) */
.form-stack .mb-field {
  margin-bottom: 0.75rem;
}

.form-stack .mb-field:last-child {
  margin-bottom: 0;
}

.card-app.p-3 {
  padding: 1rem;
}

.page-content-card .filter-bar {
  margin-bottom: 1rem;
}

.page-content-card .table-footer {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.select2-container--default .select2-selection--single {
  border-radius: var(--radius) !important;
  border-color: var(--border) !important;
  min-height: 38px;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
  line-height: 36px !important;
}