/* 
 * Ultra Modern Admin Dashboard 2025
 * Glassmorphism + Gradient + Animations
 */

 @import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Poppins:wght@600;700;800&display=swap');

 :root {
   /* Modern Color Palette */
   --primary-50: #eff6ff;
   --primary-100: #dbeafe;
   --primary-200: #bfdbfe;
   --primary-300: #93c5fd;
   --primary-400: #60a5fa;
   --primary-500: #3b82f6;
   --primary-600: #2563eb;
   --primary-700: #1d4ed8;
   --primary-800: #1e40af;
   --primary-900: #1e3a8a;
 
   /* Gradient Definitions */
   --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
   --gradient-success: linear-gradient(135deg, #10b981 0%, #14b8a6 100%);
   --gradient-danger: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
   --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
   --gradient-info: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
   --gradient-dark: linear-gradient(135deg, #475569 0%, #64748b 100%);
   --gradient-mesh: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #4facfe 75%, #43e97b 100%);
 
   /* Glass Effect Variables */
   --glass-bg: rgba(255, 255, 255, 0.1);
   --glass-border: rgba(255, 255, 255, 0.2);
   --backdrop-blur: blur(10px);
   --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
 
   /* Spacing System */
   --spacing-xs: 0.25rem;
   --spacing-sm: 0.5rem;
   --spacing-md: 1rem;
   --spacing-lg: 1.5rem;
   --spacing-xl: 2rem;
   --spacing-2xl: 3rem;
   --spacing-3xl: 4rem;
 
   /* Animation Variables */
   --transition-fast: 0.15s ease;
   --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
   --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
   --animation-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
 }
 
 /* Dark Theme Variables */
 [data-theme="dark"] {
   --bg-color: #0f172a;
   --card-bg: rgba(30, 41, 59, 0.5);
   --text-color: #f1f5f9;
   --text-muted: #94a3b8;
   --border-color: rgba(148, 163, 184, 0.1);
   --glass-bg: rgba(15, 23, 42, 0.6);
   --glass-border: rgba(148, 163, 184, 0.1);
 }
 
 /* Light Theme Variables */
 [data-theme="light"] {
   --bg-color: #f8fafc;
   --card-bg: rgba(255, 255, 255, 0.7);
   --text-color: #1e293b;
   --text-muted: #64748b;
   --border-color: rgba(226, 232, 240, 0.8);
   --glass-bg: rgba(255, 255, 255, 0.7);
   --glass-border: rgba(226, 232, 240, 0.5);
 }
 
 /* Global Styles */
 * {
   margin: 0;
   padding: 0;
   box-sizing: border-box;
 }
 
 body {
   font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
   background: var(--bg-color);
   color: var(--text-color);
   position: relative;
   min-height: 100vh;
   overflow-x: hidden;
 }
 
 /* Animated Background */
 body::before {
   content: '';
   position: fixed;
   top: 0;
   left: 0;
   right: 0;
   bottom: 0;
   background: 
     radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
     radial-gradient(circle at 80% 20%, rgba(118, 75, 162, 0.1) 0%, transparent 50%),
     radial-gradient(circle at 40% 40%, rgba(240, 147, 251, 0.1) 0%, transparent 50%);
   z-index: -1;
   animation: bgAnimation 20s ease infinite;
 }
 
 @keyframes bgAnimation {
   0%, 100% { transform: translate(0, 0) scale(1); }
   33% { transform: translate(-20px, -20px) scale(1.1); }
   66% { transform: translate(20px, -10px) scale(0.9); }
 }
 
 /* Modern Admin Container */
 .admin-container {
   display: flex;
   min-height: calc(100vh - 60px);
   padding-top: 60px;
   position: relative;
 }
 
 /* Ultra Modern Sidebar */
 .admin-sidebar {
   width: 280px;
   background: var(--glass-bg);
   backdrop-filter: var(--backdrop-blur);
   -webkit-backdrop-filter: var(--backdrop-blur);
   border-right: 1px solid var(--glass-border);
   padding: var(--spacing-2xl) var(--spacing-xl);
   position: sticky;
   top: 60px;
   height: calc(100vh - 60px);
   overflow-y: auto;
   transition: all var(--transition-base);
   animation: slideInLeft 0.5s ease;
 }
 
 @keyframes slideInLeft {
   from {
     opacity: 0;
     transform: translateX(-100px);
   }
   to {
     opacity: 1;
     transform: translateX(0);
   }
 }
 
 .admin-sidebar h2 {
   font-family: 'Poppins', sans-serif;
   font-size: 1.75rem;
   font-weight: 700;
   background: var(--gradient-primary);
   -webkit-background-clip: text;
   -webkit-text-fill-color: transparent;
   background-clip: text;
   margin-bottom: var(--spacing-2xl);
   position: relative;
   padding-left: var(--spacing-md);
 }
 
 .admin-sidebar h2::before {
   content: '';
   position: absolute;
   left: 0;
   top: 50%;
   transform: translateY(-50%);
   width: 4px;
   height: 100%;
   background: var(--gradient-primary);
   border-radius: 2px;
 }
 
 .admin-sidebar nav ul {
   list-style: none;
   padding: 0;
 }
 
 .admin-sidebar nav li {
   margin-bottom: var(--spacing-md);
   animation: fadeInUp 0.5s ease backwards;
 }
 
 .admin-sidebar nav li:nth-child(1) { animation-delay: 0.1s; }
 .admin-sidebar nav li:nth-child(2) { animation-delay: 0.2s; }
 .admin-sidebar nav li:nth-child(3) { animation-delay: 0.3s; }
 
 @keyframes fadeInUp {
   from {
     opacity: 0;
     transform: translateY(20px);
   }
   to {
     opacity: 1;
     transform: translateY(0);
   }
 }
 
 .admin-sidebar nav a {
   display: flex;
   align-items: center;
   padding: var(--spacing-md) var(--spacing-lg);
   border-radius: 12px;
   color: var(--text-color);
   text-decoration: none;
   font-weight: 500;
   transition: all var(--transition-base);
   position: relative;
   overflow: hidden;
 }
 
 .admin-sidebar nav a::before {
   content: '';
   position: absolute;
   top: 0;
   left: 0;
   right: 0;
   bottom: 0;
   background: var(--gradient-primary);
   opacity: 0;
   transition: opacity var(--transition-base);
   z-index: -1;
 }
 
 .admin-sidebar nav a:hover {
   color: white;
   transform: translateX(5px);
   box-shadow: 0 3px 10px rgba(99, 102, 241, 0.15);
 }
 
 .admin-sidebar nav a:hover::before {
   opacity: 1;
 }
 
 .admin-sidebar nav a.active {
   background: var(--gradient-primary);
   color: white;
   box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
   transform: scale(1.02);
 }
 
 .admin-sidebar nav a.active::after {
   content: '';
   position: absolute;
   right: var(--spacing-lg);
   top: 50%;
   transform: translateY(-50%);
   width: 8px;
   height: 8px;
   background: white;
   border-radius: 50%;
   box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
   animation: pulse 2s infinite;
 }
 
 @keyframes pulse {
   0%, 100% { transform: translateY(-50%) scale(1); opacity: 1; }
   50% { transform: translateY(-50%) scale(1.2); opacity: 0.7; }
 }
 
 /* Main Content Area */
 .admin-content {
   flex: 1;
   padding: var(--spacing-2xl);
   position: relative;
   animation: fadeIn 0.5s ease;
 }
 
 @keyframes fadeIn {
   from { opacity: 0; }
   to { opacity: 1; }
 }
 
 .admin-content h1 {
   font-family: 'Poppins', sans-serif;
   font-size: 2.5rem;
   font-weight: 800;
   background: var(--gradient-mesh);
   -webkit-background-clip: text;
   -webkit-text-fill-color: transparent;
   background-clip: text;
   margin-bottom: var(--spacing-2xl);
   animation: slideInRight 0.5s ease;
   display: inline-block;
 }
 
 @keyframes slideInRight {
   from {
     opacity: 0;
     transform: translateX(50px);
   }
   to {
     opacity: 1;
     transform: translateX(0);
   }
 }
 
 /* Modern Controls Section */
 .user-list-controls,
 .department-controls {
   display: flex;
   gap: var(--spacing-lg);
   margin-bottom: var(--spacing-2xl);
   flex-wrap: wrap;
   animation: fadeInUp 0.5s ease 0.2s backwards;
 }
 
 /* Glass Input Fields */
 input[type="text"],
 input[type="email"],
 input[type="password"],
 select,
 textarea {
   padding: var(--spacing-md) var(--spacing-lg);
   border: 1px solid var(--glass-border);
   border-radius: 12px;
   background: var(--glass-bg);
   backdrop-filter: var(--backdrop-blur);
   -webkit-backdrop-filter: var(--backdrop-blur);
   color: var(--text-color);
   font-size: 1rem;
   font-family: 'Inter', sans-serif;
   transition: all var(--transition-base);
   flex: 1;
   min-width: 200px;
 }
 
 input[type="text"]:focus,
 input[type="email"]:focus,
 input[type="password"]:focus,
 select:focus,
 textarea:focus {
   outline: none;
   border-color: var(--primary-500);
   background: var(--card-bg);
   box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
   transform: translateY(-2px);
 }
 
 input[type="text"]::placeholder,
 textarea::placeholder {
   color: var(--text-muted);
   opacity: 0.7;
 }
 
 /* Modern Button Styles */
 .btn {
   padding: var(--spacing-md) var(--spacing-xl);
   border: none;
   border-radius: 12px;
   font-weight: 600;
   font-size: 0.95rem;
   cursor: pointer;
   transition: all var(--transition-base);
   display: inline-flex;
   align-items: center;
   gap: var(--spacing-sm);
   position: relative;
   overflow: hidden;
   text-transform: uppercase;
   letter-spacing: 0.5px;
   white-space: nowrap;
 }
 
 .btn::before {
   content: '';
   position: absolute;
   top: 50%;
   left: 50%;
   width: 0;
   height: 0;
   border-radius: 50%;
   background: rgba(255, 255, 255, 0.3);
   transform: translate(-50%, -50%);
   transition: width 0.6s, height 0.6s;
 }
 
 .btn:hover::before {
   width: 300px;
   height: 300px;
 }
 
 .btn-primary {
   background: var(--gradient-primary);
   color: white;
   box-shadow: 0 2px 8px rgba(99, 102, 241, 0.2);
 }
 
 .btn-primary:hover {
   transform: translateY(-2px);
   box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
 }
 
 .btn-success {
   background: var(--gradient-success);
   color: white;
   box-shadow: 0 4px 15px rgba(132, 250, 176, 0.3);
 }
 
 .btn-success:hover {
   transform: translateY(-2px);
   box-shadow: 0 6px 25px rgba(132, 250, 176, 0.4);
 }
 
 .btn-danger {
   background: var(--gradient-danger);
   color: white;
   box-shadow: 0 4px 15px rgba(245, 87, 108, 0.3);
 }
 
 .btn-danger:hover {
   transform: translateY(-2px);
   box-shadow: 0 6px 25px rgba(245, 87, 108, 0.4);
 }
 
 .btn-warning {
   background: var(--gradient-warning);
   color: white;
   box-shadow: 0 4px 15px rgba(250, 112, 154, 0.3);
 }
 
 .btn-info {
   background: var(--gradient-info);
   color: white;
   box-shadow: 0 4px 15px rgba(79, 172, 254, 0.3);
 }
 
 .btn-secondary {
   background: var(--glass-bg);
   backdrop-filter: var(--backdrop-blur);
   -webkit-backdrop-filter: var(--backdrop-blur);
   color: var(--text-color);
   border: 1px solid var(--glass-border);
 }
 
 .btn-secondary:hover {
   background: var(--card-bg);
   transform: translateY(-2px);
   box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
 }
 
 /* Ultra Modern Table Design */
 .user-table,
 .department-table {
   width: 100%;
   border-collapse: separate;
   border-spacing: 0 var(--spacing-md);
   margin-bottom: var(--spacing-xl);
   animation: fadeInUp 0.5s ease 0.3s backwards;
 }
 
 .user-table thead,
 .department-table thead {
   position: sticky;
   top: 0;
   z-index: 10;
 }
 
 .user-table th,
 .department-table th {
   padding: var(--spacing-lg) var(--spacing-xl);
   text-align: left;
   font-weight: 600;
   font-size: 0.85rem;
   text-transform: uppercase;
   letter-spacing: 1px;
   color: var(--text-muted);
   background: var(--glass-bg);
   backdrop-filter: var(--backdrop-blur);
   -webkit-backdrop-filter: var(--backdrop-blur);
   border-bottom: 2px solid var(--glass-border);
   position: relative;
 }
 
 .user-table th::after,
 .department-table th::after {
   content: '';
   position: absolute;
   bottom: -2px;
   left: 0;
   right: 0;
   height: 2px;
   background: var(--gradient-primary);
   transform: scaleX(0);
   transition: transform var(--transition-base);
 }
 
 .user-table th:hover::after,
 .department-table th:hover::after {
   transform: scaleX(1);
 }
 
 .user-table tbody tr,
 .department-table tbody tr {
   background: var(--glass-bg);
   backdrop-filter: var(--backdrop-blur);
   -webkit-backdrop-filter: var(--backdrop-blur);
   border-radius: 16px;
   transition: all var(--transition-base);
   position: relative;
   overflow: hidden;
 }
 
 .user-table tbody tr::before,
 .department-table tbody tr::before {
   content: '';
   position: absolute;
   top: 0;
   left: -100%;
   width: 100%;
   height: 100%;
   background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
   transition: left 0.5s;
 }
 
 .user-table tbody tr:hover::before,
 .department-table tbody tr:hover::before {
   left: 100%;
 }
 
 .user-table tbody tr:hover,
 .department-table tbody tr:hover {
   transform: translateY(-3px) scale(1.005);
   background: var(--card-bg);
   box-shadow: 0 10px 30px rgba(102, 126, 234, 0.15);
 }
 
 .user-table tbody tr.selected,
 .department-table tbody tr.selected {
   background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
   box-shadow: 0 5px 20px rgba(102, 126, 234, 0.2);
 }
 
 .user-table td,
 .department-table td {
   padding: var(--spacing-lg) var(--spacing-xl);
   color: var(--text-color);
   font-size: 0.95rem;
   vertical-align: middle;
 }
 
 .user-table td:first-child,
 .department-table td:first-child {
   border-top-left-radius: 16px;
   border-bottom-left-radius: 16px;
 }
 
 .user-table td:last-child,
 .department-table td:last-child {
   border-top-right-radius: 16px;
   border-bottom-right-radius: 16px;
 }
 
 /* Checkbox Styling */
 input[type="checkbox"] {
   width: 20px;
   height: 20px;
   cursor: pointer;
   position: relative;
   -webkit-appearance: none;
   appearance: none;
   background: var(--glass-bg);
   border: 2px solid var(--glass-border);
   border-radius: 6px;
   transition: all var(--transition-fast);
 }
 
 input[type="checkbox"]:checked {
   background: var(--gradient-primary);
   border-color: transparent;
 }
 
 input[type="checkbox"]:checked::after {
   content: '??;
   position: absolute;
   top: 50%;
   left: 50%;
   transform: translate(-50%, -50%);
   color: white;
   font-size: 14px;
   font-weight: bold;
 }
 
 /* Action Buttons in Table */
 .btn-action {
   padding: var(--spacing-sm) var(--spacing-md);
   border-radius: 8px;
   font-size: 0.85rem;
   font-weight: 500;
   cursor: pointer;
   transition: all var(--transition-fast);
   margin-right: var(--spacing-sm);
   border: none;
   position: relative;
   overflow: hidden;
 }
 
 .btn-approve {
   background: var(--gradient-success);
   color: white;
 }
 
 .btn-reject {
   background: var(--gradient-warning);
   color: white;
 }
 
 .btn-edit {
   background: var(--gradient-info);
   color: white;
 }
 
 .btn-delete {
   background: var(--gradient-danger);
   color: white;
 }
 
 .btn-reset-password {
   background: var(--gradient-dark);
   color: white;
 }
 
 .btn-action:hover {
   transform: translateY(-2px);
   box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
 }
 
 /* Ultra Modern Modal */
 .modal,
 .modal-overlay {
   display: none;
   position: fixed;
   top: 0;
   left: 0;
   width: 100%;
   height: 100%;
   background: rgba(0, 0, 0, 0.7);
   backdrop-filter: blur(5px);
   -webkit-backdrop-filter: blur(5px);
   z-index: 1000;
   animation: fadeIn 0.3s ease;
 }
 
 .modal-content {
   position: absolute;
   top: 50%;
   left: 50%;
   transform: translate(-50%, -50%);
   background: var(--glass-bg);
   backdrop-filter: var(--backdrop-blur);
   -webkit-backdrop-filter: var(--backdrop-blur);
   border: 1px solid var(--glass-border);
   border-radius: 20px;
   padding: var(--spacing-2xl);
   width: 90%;
   max-width: 500px;
   box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
   animation: modalSlideIn 0.3s ease;
 }
 
 @keyframes modalSlideIn {
   from {
     opacity: 0;
     transform: translate(-50%, -60%);
   }
   to {
     opacity: 1;
     transform: translate(-50%, -50%);
   }
 }
 
 .modal-content h2 {
   font-family: 'Poppins', sans-serif;
   font-size: 1.8rem;
   background: var(--gradient-primary);
   -webkit-background-clip: text;
   -webkit-text-fill-color: transparent;
   background-clip: text;
   margin-bottom: var(--spacing-xl);
 }
 
 .modal-content label {
   display: block;
   margin-bottom: var(--spacing-sm);
   color: var(--text-muted);
   font-weight: 500;
   font-size: 0.9rem;
   text-transform: uppercase;
   letter-spacing: 0.5px;
 }
 
 .modal-actions {
   display: flex;
   justify-content: flex-end;
   gap: var(--spacing-md);
   margin-top: var(--spacing-xl);
 }
 
 .close-button {
   position: absolute;
   top: var(--spacing-lg);
   right: var(--spacing-lg);
   font-size: 1.5rem;
   color: var(--text-muted);
   cursor: pointer;
   transition: all var(--transition-fast);
   width: 30px;
   height: 30px;
   display: flex;
   align-items: center;
   justify-content: center;
   border-radius: 50%;
   background: var(--glass-bg);
 }
 
 .close-button:hover {
   color: var(--text-color);
   background: var(--gradient-danger);
   color: white;
   transform: rotate(90deg);
 }
 
 /* Empty State Message */
 #no-users-message,
 #no-departments-message {
   text-align: center;
   padding: var(--spacing-3xl);
   color: var(--text-muted);
   font-size: 1.2rem;
   font-weight: 300;
   background: var(--glass-bg);
   backdrop-filter: var(--backdrop-blur);
   -webkit-backdrop-filter: var(--backdrop-blur);
   border-radius: 20px;
   border: 1px solid var(--glass-border);
   margin: var(--spacing-2xl) 0;
 }
 
 /* Description Text */
 .description {
   color: var(--text-muted);
   margin-bottom: var(--spacing-xl);
   font-size: 1.1rem;
   line-height: 1.6;
   background: var(--glass-bg);
   backdrop-filter: var(--backdrop-blur);
   -webkit-backdrop-filter: var(--backdrop-blur);
   padding: var(--spacing-lg);
   border-radius: 12px;
   border-left: 4px solid var(--gradient-primary);
 }
 
 /* Textarea for Bulk Register */
 #user-data-input {
   width: 100%;
   min-height: 300px;
   padding: var(--spacing-lg);
   font-family: 'Fira Code', 'Courier New', monospace;
   font-size: 0.95rem;
   line-height: 1.5;
   resize: vertical;
   background: var(--glass-bg);
   backdrop-filter: var(--backdrop-blur);
   -webkit-backdrop-filter: var(--backdrop-blur);
   border: 1px solid var(--glass-border);
   border-radius: 12px;
   color: var(--text-color);
   margin-bottom: var(--spacing-xl);
 }
 
 /* Result Message */
 .result-message {
   margin-top: var(--spacing-xl);
   padding: var(--spacing-lg);
   border-radius: 12px;
   background: var(--glass-bg);
   backdrop-filter: var(--backdrop-blur);
   -webkit-backdrop-filter: var(--backdrop-blur);
   border: 1px solid var(--glass-border);
   white-space: pre-wrap;
   font-family: 'Fira Code', monospace;
   font-size: 0.9rem;
   color: var(--text-color);
   max-height: 400px;
   overflow-y: auto;
   animation: fadeInUp 0.3s ease;
 }
 
 /* Responsive Design */
 @media (max-width: 768px) {
   .admin-container {
     flex-direction: column;
   }
 
   .admin-sidebar {
     width: 100%;
     height: auto;
     position: static;
     border-right: none;
     border-bottom: 1px solid var(--glass-border);
   }
 
   .admin-content {
     padding: var(--spacing-lg);
   }
 
   .user-list-controls,
   .department-controls {
     flex-direction: column;
   }
 
   .user-table,
   .department-table {
     font-size: 0.85rem;
     overflow-x: auto;
     display: block;
   }
 
   .modal-content {
     width: 95%;
     padding: var(--spacing-lg);
   }
 }
 
 /* Loading Animation */
 @keyframes spin {
   from { transform: rotate(0deg); }
   to { transform: rotate(360deg); }
 }
 
 .loading {
   display: inline-block;
   width: 20px;
   height: 20px;
   border: 3px solid var(--glass-border);
   border-top-color: var(--primary-500);
   border-radius: 50%;
   animation: spin 0.8s linear infinite;
 }
 
 /* Toast Notifications */
 .toast {
   position: fixed;
   bottom: var(--spacing-xl);
   right: var(--spacing-xl);
   background: var(--glass-bg);
   backdrop-filter: var(--backdrop-blur);
   -webkit-backdrop-filter: var(--backdrop-blur);
   border: 1px solid var(--glass-border);
   border-radius: 12px;
   padding: var(--spacing-md) var(--spacing-lg);
   color: var(--text-color);
   box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
   animation: slideInUp 0.3s ease;
   z-index: 2000;
 }
 
 @keyframes slideInUp {
   from {
     opacity: 0;
     transform: translateY(100%);
   }
   to {
     opacity: 1;
     transform: translateY(0);
   }
 }
 
 .toast.success {
   border-left: 4px solid #10b981;
 }
 
 .toast.error {
   border-left: 4px solid #ef4444;
 }
 
 .toast.warning {
   border-left: 4px solid #f59e0b;
 }
 
 /* Hover Effects */
 *::-webkit-scrollbar {
   width: 8px;
   height: 8px;
 }
 
 *::-webkit-scrollbar-track {
   background: var(--glass-bg);
 }
 
 *::-webkit-scrollbar-thumb {
   background: var(--gradient-primary);
   border-radius: 4px;
 }
 
 *::-webkit-scrollbar-thumb:hover {
   background: var(--primary-600);
 }
 
 /* Focus Visible */
 *:focus-visible {
   outline: 2px solid var(--primary-500);
   outline-offset: 2px;
 }
 
 /* Accessibility */
 .sr-only {
   position: absolute;
   width: 1px;
   height: 1px;
   padding: 0;
   margin: -1px;
   overflow: hidden;
   clip: rect(0, 0, 0, 0);
   white-space: nowrap;
   border-width: 0;
 }
/* ==== Additional Enhancements ==== */

/* Skip to Content */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10000;
  padding: 0.75rem 1.5rem;
  background: var(--primary-600);
  color: white;
  text-decoration: none;
  border-radius: 12px;
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-to-content:focus {
  top: 1rem;
}

/* Theme Toggle */
.theme-toggle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: var(--backdrop-blur);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  margin-left: 0.5rem;
}

.theme-toggle:hover {
  border-color: var(--primary-500);
  transform: rotate(180deg);
}

.sun-icon, .moon-icon {
  position: absolute;
  font-size: 1.1rem;
  transition: all var(--transition-base);
}

.sun-icon { color: #f59e0b; }
.moon-icon { color: #6366f1; }

[data-theme='light'] .sun-icon { opacity: 1; transform: scale(1); }
[data-theme='light'] .moon-icon { opacity: 0; transform: scale(0.8); }
[data-theme='dark'] .sun-icon { opacity: 0; transform: scale(0.8); }
[data-theme='dark'] .moon-icon { opacity: 1; transform: scale(1); }

/* Top Bar */
.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--glass-bg);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  padding: 0 2rem;
}

.top-bar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 500;
}

.nav-buttons {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Loading */
.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3xl);
  gap: var(--spacing-lg);
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--glass-border);
  border-top-color: var(--primary-500);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* Toast Container */
#toast-container {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  max-width: 400px;
  pointer-events: none;
}

#toast-container .toast {
  pointer-events: all;
  position: static;
  min-width: 300px;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.toast-icon { font-size: 1.5rem; }
.toast-content { flex: 1; }
.toast-title { font-weight: 600; margin-bottom: 0.25rem; }
.toast-message { font-size: 0.875rem; color: var(--text-muted); }

.toast-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.25rem;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.toast-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-color);
}

.toast.success i { color: #10b981; }
.toast.error i { color: #ef4444; }
.toast.warning i { color: #f59e0b; }
.toast.info i { color: #3b82f6; }

/* Light Theme */
[data-theme="light"] body {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

[data-theme="light"] body::before {
  background:
    radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(118, 75, 162, 0.05) 0%, transparent 50%);
}

[data-theme="light"] .top-bar {
  background: rgba(255, 255, 255, 0.8);
}

/* Table Wrapper */
.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* FOUC Prevention */
body {
  opacity: 0;
  transition: opacity 0.3s;
}

body.loaded {
  opacity: 1;
}

/* More Sections */
.page-header {
  margin-bottom: var(--spacing-2xl);
}

.controls-section {
  background: var(--glass-bg);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.table-container {
  background: var(--glass-bg);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: var(--spacing-xl);
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 300px;
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.search-box input {
  width: 100%;
  padding-left: 3rem;
}

.filter-select {
  min-width: 150px;
}

.sidebar-stats {
  margin-top: var(--spacing-2xl);
}

.stat-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.stat-card i {
  font-size: 1.5rem;
  color: var(--primary-400);
}

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-color);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.badge {
  background: var(--gradient-danger);
  color: white;
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 20px;
  margin-left: auto;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  display: block;
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-input,
.form-select {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  color: var(--text-color);
  transition: all var(--transition-base);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.app-footer {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--text-muted);
  margin-top: var(--spacing-3xl);
}

/* ==================== Statistics Animations ==================== */
@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

/* Info Toast */
.toast.info i {
  color: #3b82f6;
}

/* Warning Toast */
.toast.warning i {
  color: #f59e0b;
}

/* Loading State Improvements */
#loading-state {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(4px);
  z-index: 9999;
}

/* FOUC Prevention */
body {
  opacity: 0;
  transition: opacity 0.3s ease;
}

body.loaded {
  opacity: 1;
}