:root {
  /* Apple Color Palette */
  --bg-apple: #f5f5f7;
  --surface-apple: #ffffff;
  --accent-apple: #0071e3;
  --text-primary: #1d1d1f;
  --text-secondary: #86868b;
  --border-apple: rgba(0, 0, 0, 0.1);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --blur: blur(20px);
  --glass: rgba(255, 255, 255, 0.72);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Overrides (Optional Toggle) */
body.dark-mode {
  --bg-apple: #000000;
  --surface-apple: #1c1c1e;
  --accent-apple: #0a84ff; /* Brighter blue for dark mode */
  --text-primary: #ffffff;
  --text-secondary: #a1a1a6;
  --border-apple: rgba(255, 255, 255, 0.12);
  --glass: rgba(28, 28, 30, 0.82);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.6);
}

/* Global Dark Mode Enforcement */
body.dark-mode, 
body.dark-mode #view-panel,
body.dark-mode .main-panel,
body.dark-mode .container-fluid,
body.dark-mode .wrapper {
  background-color: var(--bg-apple) !important;
}

body.dark-mode .modal-content,
body.dark-mode .card,
body.dark-mode .card-apple,
body.dark-mode .dropdown-menu,
body.dark-mode .list-group-item {
  background-color: var(--surface-apple) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-apple) !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4) !important;
}

body.dark-mode input:not(.btn),
body.dark-mode select,
body.dark-mode textarea {
  background-color: rgba(255, 255, 255, 0.05) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-apple) !important;
}

body.dark-mode .table {
  background-color: transparent !important;
  color: var(--text-primary) !important;
}

body.dark-mode .table thead th {
  border-bottom-color: var(--border-apple) !important;
  color: var(--text-secondary) !important;
  background-color: transparent !important;
}

body.dark-mode .table td {
  border-top-color: var(--border-apple) !important;
  background-color: transparent !important;
}

/* Badge Refinement in Dark Mode */
body.dark-mode .badge {
  filter: saturate(0.8) brightness(1.2);
  border-radius: 6px;
  font-weight: 600;
}

/* Global Reset & Typography */
body {
  background-color: var(--bg-apple) !important;
  color: var(--text-primary) !important;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji" !important;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  transition: background-color 0.5s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif !important;
  font-weight: 600 !important;
  letter-spacing: -0.02em;
}

/* Glassmorphism Utilities */
.glass {
  background: var(--glass) !important;
  backdrop-filter: var(--blur) !important;
  -webkit-backdrop-filter: var(--blur) !important;
  border: 1px solid var(--border-apple) !important;
}

/* Apple Cards */
.card-apple {
  background: var(--surface-apple);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-apple);
  transition: var(--transition);
}

.card-apple:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Buttons */
.btn-apple, .btn-primary, .btn-success, .btn-warning, .btn-danger, .btn-info, .btn-secondary,
.new-supplier-btn, .new-category-btn, .new-user-btn, .new-item-btn,
#new_supplier, #new_order, #new_category, #new_user, #new_item, #new_receiving {
  border-radius: 40px !important;
  padding: 10px 24px !important;
  font-weight: 600 !important;
  border: none !important;
  transition: var(--transition) !important;
  cursor: pointer !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  font-size: 14px !important;
  box-shadow: var(--shadow-sm) !important;
  text-decoration: none !important;
}

.btn-primary, .btn-apple, .new-supplier-btn, .new-category-btn, .new-user-btn, .new-item-btn,
#new_supplier, #new_order, #new_category, #new_user, #new_item, #new_receiving {
  background: var(--accent-apple) !important;
  color: white !important;
}

.btn-primary:hover, .btn-apple:hover, .new-supplier-btn:hover, .new-category-btn:hover,
#new_supplier:hover, #new_order:hover, #new_category:hover {
  background: #0077ed !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 12px rgba(0, 113, 227, 0.3) !important;
  color: white !important;
}

/* Circular Action Buttons - Ultra Premium Global */
.btn-action-apple, 
.btn-view-custom, 
.btn-edit-custom, 
.btn-delete-custom,
.action-btns button,
td.text-center button.btn-sm,
td.text-center .btn-group button {
  width: 36px !important;
  height: 36px !important;
  border-radius: 50% !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  transition: var(--transition) !important;
  background: rgba(120, 120, 128, 0.1) !important;
  border: none !important;
  cursor: pointer !important;
  padding: 0 !important;
  flex-shrink: 0 !important;
  margin: 0 4px !important;
  position: relative !important;
  overflow: hidden !important;
}

/* Hover Glow & Lift */
.btn-action-apple:hover, 
.btn-view-custom:hover, 
.btn-edit-custom:hover, 
.btn-delete-custom:hover,
.action-btns button:hover,
td.text-center button.btn-sm:hover {
  transform: translateY(-2px) scale(1.1) !important;
  background: rgba(120, 120, 128, 0.15) !important;
  box-shadow: var(--shadow-md) !important;
}

/* Eye/View Button - Success/Green */
.btn-view, .btn-view-custom, .view_receiving, .view_supplier, .view_receipt, .view_data,
button.btn-info.btn-sm, button.btn-outline-info {
  color: #34c759 !important;
}
.btn-view:hover, .btn-view-custom:hover, .view_receiving:hover, .view_supplier:hover, .view_receipt:hover, .view_data:hover,
button.btn-info.btn-sm:hover, button.btn-outline-info:hover {
  background: #34c759 !important;
  color: white !important;
}

/* Edit Button - Accent/Blue */
.btn-edit, .btn-edit-custom, .edit_receiving, .edit_supplier, .edit_sale, .edit_category, .edit_data,
button.btn-primary.btn-sm, button.btn-outline-primary {
  color: var(--accent-apple) !important;
}
.btn-edit:hover, .btn-edit-custom:hover, .edit_receiving:hover, .edit_supplier:hover, .edit_sale:hover, .edit_category:hover, .edit_data:hover,
button.btn-primary.btn-sm:hover, button.btn-outline-primary:hover {
  background: var(--accent-apple) !important;
  color: white !important;
}

/* Delete Button - Danger/Red */
.btn-delete, .btn-delete-custom, .delete_receiving, .delete_supplier, .delete_sale, .delete_category, .delete_data,
button.btn-danger.btn-sm, button.btn-outline-danger {
  color: #ff3b30 !important;
}
.btn-delete:hover, .btn-delete-custom:hover, .delete_receiving:hover, .delete_supplier:hover, .delete_sale:hover, .delete_category:hover, .delete_data:hover,
button.btn-danger.btn-sm:hover, button.btn-outline-danger:hover {
  background: #ff3b30 !important;
  color: white !important;
}

/* Tooltip-like icon centering */
.btn-action-apple i, .action-btns button i, td.text-center button i {
  font-size: 14px !important;
  line-height: 1 !important;
  display: block !important;
}

/* Enhanced Typography for Accessibility */
body.dark-mode .text-muted, 
body.dark-mode .text-secondary {
  color: var(--text-secondary) !important;
}

/* Sidebar Text Contrast */
body.dark-mode .sidebar-apple .nav-link,
body.dark-mode .navbar-apple .user-name {
  color: var(--text-primary) !important;
  opacity: 0.9;
}

body.dark-mode .sidebar-apple .nav-link:hover {
  opacity: 1;
}

/* DataTables Modernization - Ultra Premium Aggressive */
div.dataTables_wrapper .dataTables_length,
div.dataTables_wrapper .dataTables_filter {
  margin-bottom: 24px !important;
  color: var(--text-secondary) !important;
  font-weight: 600 !important;
  font-size: 13px !important;
  display: flex !important;
  align-items: center !important;
}

div.dataTables_wrapper .dataTables_filter {
  justify-content: flex-end !important;
}

/* Stylish Search Bar - Aggressive */
div.dataTables_filter label {
  position: relative !important;
  display: inline-flex !important;
  align-items: center !important;
  font-size: 0 !important; /* Force hide "Search:" text */
  margin: 0 !important;
}

div.dataTables_filter label::before {
  content: "Search";
  font-size: 13px !important;
  margin-right: 12px !important;
  color: var(--text-secondary) !important;
  font-weight: 700 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.05em !important;
}

div.dataTables_filter input[type="search"],
div.dataTables_filter input {
  background: var(--surface-apple) !important;
  border: 1.5px solid var(--border-apple) !important;
  border-radius: 22px !important;
  padding: 10px 16px 10px 42px !important;
  width: 280px !important;
  height: 44px !important;
  font-size: 14px !important;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
  outline: none !important;
  color: var(--text-primary) !important;
  box-shadow: var(--shadow-sm) !important;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' fill='%230071e3' viewBox='0 0 16 16'%3E%3Cpath d='M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.1zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: 15px center !important;
  backdrop-filter: var(--blur) !important;
  -webkit-backdrop-filter: var(--blur) !important;
}

div.dataTables_filter input:focus {
  width: 350px !important;
  background-color: white !important;
  border-color: var(--accent-apple) !important;
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.15) !important;
}

/* Stylish Length Selection - Aggressive */
div.dataTables_length label {
  display: inline-flex !important;
  align-items: center !important;
  gap: 8px !important;
  font-size: 0 !important; /* Force hide labels */
  margin: 0 !important;
}

div.dataTables_length label::before { content: "Show"; font-size: 13px !important; font-weight: 700 !important; color: var(--text-secondary) !important; text-transform: uppercase !important; }
div.dataTables_length label::after { content: "Entries"; font-size: 13px !important; font-weight: 700 !important; color: var(--text-secondary) !important; text-transform: uppercase !important; }

div.dataTables_length select {
  appearance: none !important;
  -webkit-appearance: none !important;
  background: var(--surface-apple) !important;
  border: 1.5px solid var(--border-apple) !important;
  border-radius: 12px !important;
  padding: 8px 36px 8px 16px !important;
  height: 42px !important;
  font-weight: 700 !important;
  font-size: 14px !important; /* Explicitly set font-size */
  color: var(--accent-apple) !important;
  cursor: pointer !important;
  transition: var(--transition) !important;
  box-shadow: var(--shadow-sm) !important;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='%230071e3' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: calc(100% - 12px) center !important;
}

div.dataTables_length select option {
  background: white !important;
  color: #1d1d1f !important;
}

body.dark-mode div.dataTables_length select option {
  background: #1c1c1e !important;
  color: white !important;
}

div.dataTables_length select:hover {
  border-color: var(--accent-apple) !important;
  background-color: white !important;
}

/* Pagination Styling */
.dataTables_paginate .paginate_button {
  border-radius: 8px !important;
  border: none !important;
  padding: 6px 14px !important;
  margin: 0 4px !important;
  font-weight: 600 !important;
  transition: var(--transition) !important;
}

.dataTables_paginate .paginate_button.current {
  background: var(--accent-apple) !important;
  color: white !important;
}

.dataTables_paginate .paginate_button:hover:not(.current) {
  background: rgba(120, 120, 128, 0.1) !important;
  color: var(--text-primary) !important;
}

/* Premium Preloader */
#preloader2 {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99999;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex !important;
  align-items: center;
  justify-content: center;
}

#preloader2::before {
  content: "";
  width: 50px;
  height: 50px;
  border: 4px solid rgba(0, 113, 227, 0.1);
  border-top: 4px solid var(--accent-apple);
  border-radius: 50%;
  animation: spin 0.8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

body.dark-mode #preloader2 {
  background: rgba(0, 0, 0, 0.6);
}

/* Table Transitions */
.table-responsive {
  animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Global Select & Select2 Premium Modernization */
select:not(.dataTables_length select):not(.custom-select),
select.form-control,
select.custom-select {
  appearance: none !important;
  -webkit-appearance: none !important;
  background: var(--surface-apple) !important;
  border: 1.5px solid var(--border-apple) !important;
  border-radius: 12px !important;
  padding: 10px 36px 10px 16px !important;
  color: var(--text-primary) !important;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='%230071e3' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: calc(100% - 14px) center !important;
  transition: all 0.3s ease !important;
  height: 42px !important;
  font-weight: 600 !important;
  font-size: 14px !important;
}

select option {
  background: white !important;
  color: #1d1d1f !important;
}

body.dark-mode select option {
  background: #1c1c1e !important;
  color: white !important;
}

.select2-container--default .select2-selection--single {
  background: var(--surface-apple) !important;
  border: 1px solid var(--border-apple) !important;
  border-radius: 14px !important;
  height: 44px !important;
  display: flex !important;
  align-items: center !important;
  transition: all 0.3s ease !important;
  box-shadow: var(--shadow-sm) !important;
}

.select2-container--default.select2-container--focus .select2-selection--single,
.select2-container--default.select2-container--open .select2-selection--single {
  border-color: var(--accent-apple) !important;
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.1) !important;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
  color: var(--text-primary) !important;
  font-weight: 600 !important;
  padding-left: 12px !important;
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
  height: 42px !important;
  right: 8px !important;
}

.select2-dropdown {
  background: var(--glass) !important;
  backdrop-filter: var(--blur) !important;
  -webkit-backdrop-filter: var(--blur) !important;
  border: 1px solid var(--border-apple) !important;
  border-radius: 16px !important;
  box-shadow: var(--shadow-lg) !important;
  margin-top: 6px !important;
  overflow: hidden !important;
}

.select2-results__option--highlighted[aria-selected] {
  background: var(--accent-apple) !important;
}

.select2-search--dropdown .select2-search__field {
  border-radius: 10px !important;
  border: 1px solid var(--border-apple) !important;
  padding: 8px 12px !important;
  margin-bottom: 8px !important;
}

/* Modern Notification Toasts - Glassmorphic */
.notification-toast {
  position: fixed;
  top: 24px;
  right: 24px;
  background: var(--glass);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border-apple);
  border-radius: 18px;
  padding: 16px 20px;
  min-width: 320px;
  z-index: 999999;
  box-shadow: var(--shadow-lg);
  border-left: 5px solid var(--accent-apple);
  animation: slideInRight 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.notification-toast .close {
  background: transparent;
  border: none;
  font-size: 20px;
  opacity: 0.5;
  cursor: pointer;
  transition: var(--transition);
}

.notification-toast .close:hover {
  opacity: 1;
  transform: scale(1.1);
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Custom Alert Toast Override */
#alert_toast {
  background: var(--glass) !important;
  backdrop-filter: var(--blur) !important;
  -webkit-backdrop-filter: var(--blur) !important;
  border: 1px solid var(--border-apple) !important;
  border-radius: 16px !important;
  box-shadow: var(--shadow-lg) !important;
  top: 24px !important;
  right: 24px !important;
  border-left: 5px solid #34c759 !important;
}

#alert_toast.bg-success { border-left-color: #34c759 !important; }
#alert_toast.bg-danger { border-left-color: #ff3b30 !important; }
#alert_toast.bg-warning { border-left-color: #ff9500 !important; }
#alert_toast.bg-info { border-left-color: var(--accent-apple) !important; }

#alert_toast .toast-body {
  color: var(--text-primary) !important;
  font-weight: 600 !important;
  padding: 12px 20px !important;
}