/* ===========================
   CSS Variables
   =========================== */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --secondary: #64748b;
  --secondary-dark: #475569;
  --success: #16a34a;
  --danger: #dc2626;
  --warning: #d97706;
  --info: #0891b2;
  --light: #f8fafc;
  --dark: #1e293b;
  --white: #ffffff;
  --border: #e2e8f0;
  --border-radius: 0.5rem;
  --border-radius-sm: 0.25rem;
  --border-radius-lg: 0.75rem;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --sidebar-width: 260px;
  --topbar-height: 60px;
  --bottomnav-height: 60px;
  --font-base: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --transition: 0.2s ease;
}

/* ===========================
   Reset & Base
   =========================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  background-color: #f1f5f9;
  color: var(--dark);
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--primary-dark);
}

img {
  max-width: 100%;
  height: auto;
}

/* ===========================
   Layout
   =========================== */
.app-wrapper {
  display: flex;
  min-height: 100vh;
}

/* ===========================
   Sidebar (Desktop)
   =========================== */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--dark);
  color: var(--white);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 1000;
  overflow-y: auto;
  transition: transform var(--transition);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  min-height: var(--topbar-height);
}

.sidebar-brand:hover {
  color: var(--primary-light);
}

.sidebar-brand .brand-icon {
  font-size: 1.4rem;
}

.sidebar-nav {
  flex: 1;
  padding: 1rem 0;
  list-style: none;
  margin: 0;
}

.sidebar-nav-item {
  margin: 0.15rem 0.75rem;
}

.sidebar-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  color: rgba(255, 255, 255, 0.75);
  border-radius: var(--border-radius-sm);
  font-size: 0.925rem;
  font-weight: 500;
  transition: background-color var(--transition), color var(--transition);
}

.sidebar-nav-link:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--white);
}

.sidebar-nav-link.active {
  background-color: var(--primary);
  color: var(--white);
}

.sidebar-nav-link .nav-icon {
  font-size: 1.1rem;
  width: 1.25rem;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-divider {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin: 0.5rem 0.75rem;
}

.sidebar-section-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.4);
  padding: 0.75rem 1.5rem 0.25rem;
}

.sidebar-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ===========================
   Main Content Area
   =========================== */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ===========================
   Top Bar
   =========================== */
.topbar {
  height: var(--topbar-height);
  background-color: var(--white);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 900;
  box-shadow: var(--shadow-sm);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.topbar-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark);
  margin: 0;
}

/* Hamburger Button */
.hamburger-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  border-radius: var(--border-radius-sm);
  color: var(--secondary);
  font-size: 1.25rem;
  line-height: 1;
  transition: background-color var(--transition);
}

.hamburger-btn:hover {
  background-color: var(--light);
  color: var(--dark);
}

/* User Menu */
.user-menu {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  padding: 0.4rem 0.75rem;
  border-radius: var(--border-radius);
  transition: background-color var(--transition);
  border: none;
  background: none;
  color: var(--dark);
  font-size: 0.9rem;
  font-weight: 500;
}

.user-menu:hover {
  background-color: var(--light);
}

.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background-color: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* ===========================
   Page Content
   =========================== */
.page-content {
  flex: 1;
  padding: 1.5rem;
}

.page-header {
  margin-bottom: 1.5rem;
}

.page-header h1,
.page-header .page-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
  margin: 0 0 0.25rem;
}

.page-header .page-subtitle {
  font-size: 0.9rem;
  color: var(--secondary);
  margin: 0;
}

.breadcrumb-custom {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--secondary);
  margin-bottom: 0.5rem;
  list-style: none;
  padding: 0;
  flex-wrap: wrap;
}

.breadcrumb-custom li + li::before {
  content: '/';
  opacity: 0.5;
}

.breadcrumb-custom a {
  color: var(--secondary);
}

.breadcrumb-custom a:hover {
  color: var(--primary);
}

/* ===========================
   Cards
   =========================== */
.card {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
}

.card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background-color: transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark);
  margin: 0;
}

.card-body {
  padding: 1.25rem;
}

.card-footer {
  padding: 0.875rem 1.25rem;
  border-top: 1px solid var(--border);
  background-color: var(--light);
  border-radius: 0 0 var(--border-radius) var(--border-radius);
}

/* Stat Cards */
.stat-card {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

.stat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.stat-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.stat-card-icon.bg-primary-soft { background-color: var(--primary-light); color: var(--primary); }
.stat-card-icon.bg-success-soft { background-color: #dcfce7; color: var(--success); }
.stat-card-icon.bg-warning-soft { background-color: #fef9c3; color: var(--warning); }
.stat-card-icon.bg-danger-soft  { background-color: #fee2e2; color: var(--danger); }

.stat-card-body { flex: 1; min-width: 0; }

.stat-card-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-card-label {
  font-size: 0.85rem;
  color: var(--secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===========================
   Tables
   =========================== */
.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--border-radius);
  border: 1px solid var(--border);
}

.table-custom {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background-color: var(--white);
}

.table-custom thead {
  background-color: #f8fafc;
}

.table-custom thead th {
  padding: 0.75rem 1rem;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--secondary);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  text-align: left;
}

.table-custom tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background-color var(--transition);
}

.table-custom tbody tr:last-child {
  border-bottom: none;
}

.table-custom tbody tr:hover {
  background-color: #f8fafc;
}

.table-custom tbody td {
  padding: 0.75rem 1rem;
  vertical-align: middle;
  color: var(--dark);
}

.table-custom tfoot td {
  padding: 0.75rem 1rem;
  font-weight: 600;
  border-top: 2px solid var(--border);
  background-color: #f8fafc;
}

/* Table responsive badge */
.table-responsive-hint {
  display: none;
  font-size: 0.8rem;
  color: var(--secondary);
  text-align: right;
  margin-bottom: 0.5rem;
}

/* ===========================
   Badges & Status
   =========================== */
.badge-custom {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
}

.badge-primary   { background-color: var(--primary-light); color: var(--primary); }
.badge-success   { background-color: #dcfce7; color: var(--success); }
.badge-danger    { background-color: #fee2e2; color: var(--danger); }
.badge-warning   { background-color: #fef9c3; color: var(--warning); }
.badge-secondary { background-color: #f1f5f9; color: var(--secondary); }
.badge-info      { background-color: #e0f2fe; color: var(--info); }

/* ===========================
   Forms
   =========================== */
.form-section {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.form-section-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--dark);
  margin-bottom: 0.35rem;
  display: block;
}

.form-control,
.form-select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--border-radius-sm);
  font-size: 0.9rem;
  color: var(--dark);
  background-color: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  line-height: 1.5;
}

.form-control:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-control::placeholder {
  color: #94a3b8;
}

.form-control.is-invalid,
.form-select.is-invalid {
  border-color: var(--danger);
}

.form-control.is-invalid:focus,
.form-select.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

.invalid-feedback {
  font-size: 0.8rem;
  color: var(--danger);
  margin-top: 0.25rem;
}

.form-text {
  font-size: 0.8rem;
  color: var(--secondary);
  margin-top: 0.25rem;
}

.form-group {
  margin-bottom: 1rem;
}

/* ===========================
   Buttons
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.5;
  white-space: nowrap;
  vertical-align: middle;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background-color: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  color: var(--white);
}

.btn-secondary {
  background-color: var(--secondary);
  border-color: var(--secondary);
  color: var(--white);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--secondary-dark);
  border-color: var(--secondary-dark);
  color: var(--white);
}

.btn-success {
  background-color: var(--success);
  border-color: var(--success);
  color: var(--white);
}

.btn-success:hover:not(:disabled) {
  background-color: #15803d;
  border-color: #15803d;
  color: var(--white);
}

.btn-danger {
  background-color: var(--danger);
  border-color: var(--danger);
  color: var(--white);
}

.btn-danger:hover:not(:disabled) {
  background-color: #b91c1c;
  border-color: #b91c1c;
  color: var(--white);
}

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

.btn-outline-primary:hover:not(:disabled) {
  background-color: var(--primary);
  color: var(--white);
}

.btn-outline-secondary {
  background-color: transparent;
  border-color: var(--border);
  color: var(--secondary);
}

.btn-outline-secondary:hover:not(:disabled) {
  background-color: var(--light);
  border-color: var(--secondary);
  color: var(--dark);
}

.btn-sm {
  padding: 0.3rem 0.65rem;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 0.7rem 1.4rem;
  font-size: 1rem;
}

.btn-icon {
  padding: 0.4rem;
  border-radius: var(--border-radius-sm);
}

/* ===========================
   Alerts
   =========================== */
.alert {
  padding: 0.875rem 1rem;
  border-radius: var(--border-radius);
  border: 1px solid transparent;
  font-size: 0.9rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.alert-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 0.1rem; }

.alert-success  { background-color: #f0fdf4; border-color: #bbf7d0; color: #166534; }
.alert-danger   { background-color: #fef2f2; border-color: #fecaca; color: #991b1b; }
.alert-warning  { background-color: #fffbeb; border-color: #fde68a; color: #92400e; }
.alert-info     { background-color: #f0f9ff; border-color: #bae6fd; color: #075985; }

/* ===========================
   Search & Filters Bar
   =========================== */
.filters-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.search-input-wrapper {
  position: relative;
  flex: 1;
  min-width: 200px;
}

.search-input-wrapper .search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--secondary);
  font-size: 0.9rem;
  pointer-events: none;
}

.search-input-wrapper .form-control {
  padding-left: 2.25rem;
}

/* ===========================
   Pagination
   =========================== */
.pagination-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.pagination-info {
  font-size: 0.85rem;
  color: var(--secondary);
}

.pagination {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  padding: 0 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  color: var(--secondary);
  background-color: var(--white);
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
}

.page-link:hover {
  background-color: var(--light);
  border-color: var(--secondary);
  color: var(--dark);
}

.page-item.active .page-link {
  background-color: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.page-item.disabled .page-link {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

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

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

.empty-state-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 0.5rem;
}

.empty-state-text {
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}

/* ===========================
   Modal Overrides
   =========================== */
.modal-header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.25rem;
}

.modal-footer {
  border-top: 1px solid var(--border);
  padding: 0.875rem 1.25rem;
}

.modal-title {
  font-size: 1rem;
  font-weight: 600;
}

/* ===========================
   Dropdown Overrides
   =========================== */
.dropdown-menu-custom {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  padding: 0.5rem;
  min-width: 180px;
  list-style: none;
  margin: 0;
}

.dropdown-menu-custom .dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  color: var(--dark);
  cursor: pointer;
  transition: background-color var(--transition);
  text-decoration: none;
  border: none;
  background: none;
  width: 100%;
}

.dropdown-menu-custom .dropdown-item:hover {
  background-color: var(--light);
}

.dropdown-menu-custom .dropdown-item.danger {
  color: var(--danger);
}

.dropdown-menu-custom .dropdown-item.danger:hover {
  background-color: #fee2e2;
}

/* ===========================
   Login / Auth Pages
   =========================== */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1e293b 0%, #1d4ed8 100%);
  padding: 1.5rem;
}

.auth-card {
  background-color: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 420px;
  padding: 2.5rem 2rem;
}

.auth-logo {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-logo .logo-icon {
  font-size: 2.5rem;
  color: var(--primary);
  display: block;
  margin-bottom: 0.5rem;
}

.auth-logo h1 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--dark);
  margin: 0 0 0.25rem;
}

.auth-logo p {
  font-size: 0.875rem;
  color: var(--secondary);
  margin: 0;
}

.auth-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0;
}

/* ===========================
   Mobile Bottom Navigation
   =========================== */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--bottomnav-height);
  background-color: var(--white);
  border-top: 1px solid var(--border);
  z-index: 1000;
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.08);
}

.bottom-nav-inner {
  display: flex;
  align-items: stretch;
  height: 100%;
}

.bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  color: var(--secondary);
  font-size: 0.65rem;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition), background-color var(--transition);
  padding: 0.4rem 0.25rem;
  border-top: 2px solid transparent;
}

.bottom-nav-item:hover {
  color: var(--primary);
  background-color: var(--primary-light);
}

.bottom-nav-item.active {
  color: var(--primary);
  border-top-color: var(--primary);
}

.bottom-nav-item .nav-icon {
  font-size: 1.25rem;
}

/* Mobile Sidebar Overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

.sidebar-overlay.active {
  display: block;
}

/* ===========================
   Utility Classes
   =========================== */
.text-truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }

.w-100 { width: 100%; }

.mt-auto { margin-top: auto; }

.text-muted { color: var(--secondary); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-primary { color: var(--primary); }

.fw-semibold { font-weight: 600; }
.fw-bold { font-weight: 700; }

.fs-sm { font-size: 0.875rem; }
.fs-xs { font-size: 0.75rem; }

.rounded { border-radius: var(--border-radius); }
.rounded-full { border-radius: 999px; }

.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.5rem; }

/* ===========================
   Responsive — Tablet
   =========================== */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 220px;
  }
}

/* ===========================
   Responsive — Mobile (≤768px)
   =========================== */
@media (max-width: 768px) {
  /* Sidebar becomes off-canvas */
  .sidebar {
    transform: translateX(-100%);
    z-index: 1001;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  /* Main content takes full width */
  .main-content {
    margin-left: 0;
    padding-bottom: var(--bottomnav-height);
  }

  /* Show hamburger */
  .hamburger-btn {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* Show bottom nav */
  .bottom-nav {
    display: block;
  }

  /* Page content padding */
  .page-content {
    padding: 1rem;
  }

  /* Tables hint on mobile */
  .table-responsive-hint {
    display: block;
  }

  /* Auth card full width on small screens */
  .auth-card {
    padding: 1.75rem 1.25rem;
  }

  /* Stat cards grid responsive */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  /* Page header flex stack */
  .page-header-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  /* Filters bar stack */
  .filters-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .search-input-wrapper {
    min-width: unset;
  }

  /* Pagination stack */
  .pagination-wrapper {
    flex-direction: column;
    align-items: flex-start;
  }

  /* Hide non-essential table columns */
  .table-custom .hide-mobile {
    display: none;
  }

  /* Card header stack */
  .card-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ===========================
   Responsive — Small Mobile (≤480px)
   =========================== */
@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr !important;
  }

  .stat-card-value {
    font-size: 1.4rem;
  }

  .topbar {
    padding: 0 1rem;
  }

  .page-content {
    padding: 0.75rem;
  }

  .btn {
    font-size: 0.825rem;
    padding: 0.45rem 0.85rem;
  }

  .table-custom thead th,
  .table-custom tbody td {
    padding: 0.6rem 0.75rem;
    font-size: 0.85rem;
  }

  .auth-card {
    padding: 1.5rem 1rem;
  }

  .bottom-nav-item .nav-label {
    display: none;
  }

  .bottom-nav-item .nav-icon {
    font-size: 1.4rem;
  }
}

/* ===========================
   Grid Helper
   =========================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===========================
   Print Styles
   =========================== */
@media print {
  .sidebar,
  .topbar,
  .bottom-nav,
  .filters-bar,
  .btn,
  .pagination-wrapper {
    display: none !important;
  }

  .main-content {
    margin-left: 0;
  }

  .page-content {
    padding: 0;
  }

  .card {
    box-shadow: none;
    border: 1px solid #ccc;
  }

  .table-wrapper {
    overflow: visible;
  }

  body {
    background: white;
    font-size: 12px;
  }
}