/* Modern Design System for Webtools Pro */

:root {
    /* Primary Color Palette */
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #dbeafe;
    --primary-dark: #1e40af;
    
    /* Secondary Colors */
    --secondary-color: #64748b;
    --accent-color: #0ea5e9;
    --success-color: #059669;
    --warning-color: #d97706;
    --danger-color: #dc2626;
    
    /* Neutral Colors */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Semantic Colors */
    --background-primary: #ffffff;
    --background-secondary: var(--gray-50);
    --background-tertiary: var(--gray-100);
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --text-muted: var(--gray-500);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Typography */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    
    /* Transitions */
    --transition-default: all 0.2s ease-in-out;
    --transition-slow: all 0.3s ease-in-out;
}

/* Import Inter font for modern typography */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* Base Styles */
* {
    box-sizing: border-box;
}

body {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    font-family: var(--font-family-primary);
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5, h6 { font-size: var(--font-size-md); }

p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

/* Navigation Styles */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
    padding: var(--space-md) 0;
    position: relative;
    z-index: 1030; /* Ensure navbar is above other elements */
}

/* Dropdown Menu Z-Index and Styling Fix */
.dropdown-menu {
    z-index: 1050 !important; /* Ensure dropdowns appear above all other content */
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    background: var(--background-primary);
    padding: var(--space-sm);
    margin-top: var(--space-xs);
}

.dropdown-item {
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    transition: var(--transition-default);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.dropdown-item:hover, .dropdown-item:focus {
    background: linear-gradient(135deg, var(--primary-light) 0%, rgba(37, 99, 235, 0.1) 100%);
    color: var(--primary-dark);
    transform: translateX(2px);
}

.dropdown-header {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-sm) var(--space-md);
}

.dropdown-divider {
    border-color: var(--gray-200);
    margin: var(--space-sm) 0;
}

.navbar-brand {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: white !important;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    transition: var(--transition-default);
}

.navbar-brand:hover {
    transform: translateY(-1px);
    color: var(--primary-light) !important;
}

.navbar-brand i {
    font-size: 1.25rem;
    color: var(--primary-light);
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--space-sm);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    transition: var(--transition-default);
}

.logo-container:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.navbar-logo, .login-logo {
    max-height: 38px;
    height: auto;
    width: auto;
    filter: brightness(1.2);
}

.login-logo {
    max-height: 60px;
}

.navbar-nav .nav-link {
    font-weight: 500;
    padding: var(--space-sm) var(--space-md);
    color: rgba(255, 255, 255, 0.9) !important;
    border-radius: var(--radius-md);
    transition: var(--transition-default);
    position: relative;
    overflow: hidden;
}

.navbar-nav .nav-link::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;
}

.navbar-nav .nav-link:hover::before {
    left: 100%;
}

.navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: white !important;
    transform: translateY(-1px);
}

.navbar-nav .nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    color: white !important;
    box-shadow: var(--shadow-sm);
}

/* Modern Button Styles */
.btn {
    font-weight: 500;
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-lg);
    border: none;
    transition: var(--transition-default);
    position: relative;
    overflow: hidden;
    font-size: var(--font-size-sm);
    text-transform: none;
    letter-spacing: 0.025em;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary-dark) 100%);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #047857 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-success:hover {
    background: linear-gradient(135deg, #047857 0%, #065f46 100%);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-outline-secondary {
    border: 2px solid var(--gray-300);
    color: var(--text-secondary);
    background: var(--background-primary);
}

.btn-outline-secondary:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #b91c1c 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #b91c1c 0%, #991b1b 100%);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
    color: white;
}

/* Modern Card Styles */
.card {
    background: var(--background-primary);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-slow);
    overflow: hidden;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

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

.card-header {
    background: linear-gradient(135deg, var(--background-primary) 0%, var(--gray-50) 100%);
    border-bottom: 2px solid var(--gray-100);
    padding: var(--space-lg) var(--space-xl);
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    position: relative;
}

.card-body {
    padding: var(--space-xl);
}

/* Modern Stat Cards */
.stat-card {
    background: linear-gradient(135deg, var(--background-primary) 0%, var(--gray-50) 100%);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    padding: var(--space-xl);
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.stat-card h4 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--space-xs);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-align: center;
}

.stat-card p {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Tab System */
.tab-content-area {
    display: none;
    animation: fadeInUp 0.4s ease-out;
}

.tab-content-area.active {
    display: block;
}

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

/* Enhanced Form Styles */
.form-control, .form-select {
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-sm);
    transition: var(--transition-default);
    background: var(--background-primary);
    color: var(--text-primary);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    outline: none;
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

/* Modern Alert Styles */
.alert {
    border: none;
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    font-weight: 500;
    box-shadow: var(--shadow-md);
    border-left: 4px solid;
}

.alert-success {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    color: var(--success-color);
    border-left-color: var(--success-color);
}

.alert-danger {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    color: var(--danger-color);
    border-left-color: var(--danger-color);
}

.alert-warning {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    color: var(--warning-color);
    border-left-color: var(--warning-color);
}

.alert-info {
    background: linear-gradient(135deg, var(--primary-light) 0%, #dbeafe 100%);
    color: var(--primary-dark);
    border-left-color: var(--primary-color);
}

/* Enhanced Table Styles */
.table {
    background: var(--background-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: 0;
}

.table th {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    border: none;
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    padding: var(--space-lg) var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.025em;
    position: sticky;
    top: 0;
    z-index: 10;
}

.table td {
    vertical-align: middle;
    font-size: var(--font-size-sm);
    padding: var(--space-md);
    border-bottom: 1px solid var(--gray-100);
    transition: var(--transition-default);
}

.table tbody tr {
    transition: var(--transition-default);
}

.table tbody tr:hover {
    background: linear-gradient(135deg, var(--gray-50) 0%, rgba(37, 99, 235, 0.02) 100%);
    transform: scale(1.005);
}

.table-responsive {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    background: var(--background-primary);
}

/* Status and Alert Styling */
.negative-available {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%) !important;
    color: var(--danger-color) !important;
    font-weight: 600;
    border-left: 3px solid var(--danger-color);
}

.reorder-alert {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%) !important;
    color: var(--warning-color) !important;
    font-weight: 600;
    border-left: 3px solid var(--warning-color);
}

.critical-item {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%) !important;
    color: var(--danger-color) !important;
    font-weight: 700;
    border-left: 3px solid var(--danger-color);
    animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
    0%, 100% { 
        box-shadow: 0 0 5px rgba(220, 38, 38, 0.3);
    }
    50% { 
        box-shadow: 0 0 20px rgba(220, 38, 38, 0.5);
    }
}

/* Modern Status Badges */
.status-badge, .badge {
    font-size: var(--font-size-xs);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    box-shadow: var(--shadow-sm);
}

.badge-negative {
    background: linear-gradient(135deg, var(--danger-color) 0%, #b91c1c 100%);
    color: white;
}

.badge-reorder {
    background: linear-gradient(135deg, var(--warning-color) 0%, #b45309 100%);
    color: white;
}

.badge-critical {
    background: linear-gradient(135deg, var(--danger-color) 0%, #b91c1c 100%);
    color: white;
    animation: pulseScale 2s infinite;
}

.badge-ok {
    background: linear-gradient(135deg, var(--success-color) 0%, #047857 100%);
    color: white;
}

@keyframes pulseScale {
    0%, 100% { 
        transform: scale(1);
    }
    50% { 
        transform: scale(1.05);
    }
}

/* Loading states */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Search and filter styling */
#searchInput, #filterSelect {
    border-radius: 6px;
    border: 1px solid #ced4da;
}

#searchInput:focus, #filterSelect:focus {
    border-color: #80bdff;
    box-shadow: 0 0 0 0.2rem rgba(0,123,255,.25);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .stat-card {
        margin-bottom: 1rem;
    }
    
    .table {
        font-size: 0.8rem;
    }
    
    .card-header h3 {
        font-size: 1.25rem;
    }
}

/* Upload form styling */
.form-control:focus {
    border-color: #80bdff;
    box-shadow: 0 0 0 0.2rem rgba(0,123,255,.25);
}

.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
    border-radius: 6px;
    font-weight: 500;
}

.btn-success {
    border-radius: 6px;
    font-weight: 500;
}

/* Alert styling */
.alert {
    border-radius: 6px;
    border: none;
}

/* Spec list styling */
.spec-list {
    max-height: 400px;
    overflow-y: auto;
}

.spec-item {
    border-bottom: 1px solid #dee2e6;
    padding: 0.75rem 0;
}

/* Zebra striped table styling for specs */
.zebra {
    border-collapse: collapse;
    width: 100%;
}

.zebra th {
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
    padding: 8px 12px;
    text-align: left;
    font-weight: 600;
}

.zebra th a {
    text-decoration: none;
    color: inherit;
    display: block;
    width: 100%;
}

.zebra th a:hover {
    color: #0d6efd;
    text-decoration: underline;
}

.zebra td {
    border: 1px solid #dee2e6;
    padding: 8px 12px;
    vertical-align: top;
}

.zebra tbody tr:nth-child(odd) {
    background-color: #f8f9fa;
}

.zebra tbody tr:hover {
    background-color: #e9ecef;
}

.zebra td a {
    text-decoration: none;
    color: #0d6efd;
}

.zebra td a:hover {
    text-decoration: underline;
}

.spec-list::-webkit-scrollbar {
    width: 6px;
}

.spec-list::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.spec-list::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.spec-list::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Hide scrollbar for cleaner look */
.table-responsive::-webkit-scrollbar {
    height: 8px;
}

.table-responsive::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.table-responsive::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

.table-responsive::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Sortable spec table headers */
.sort-arrow {
    font-size: 0.75rem;
    opacity: 0.6;
    margin-left: 4px;
    transition: all 0.2s ease;
    display: inline-block;
}

th a:hover .sort-arrow {
    opacity: 1;
    transform: scale(1.1);
}

th.sort-asc .sort-arrow {
    opacity: 1;
    color: #28a745 !important;
}

th.sort-desc .sort-arrow {
    opacity: 1;
    color: #dc3545 !important;
    transform: rotate(180deg);
}

#specsTable th a {
    color: inherit !important;
    text-decoration: none !important;
}

#specsTable th a:hover {
    color: inherit !important;
    opacity: 0.8;
}

/* Advanced Filters Styles */
#advancedFilters {
    border: 1px solid #dee2e6;
    border-radius: 8px;
    background-color: #f8f9fa;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

#advancedFilters .form-label {
    font-weight: 600;
    color: #495057;
    font-size: 0.9rem;
}

#advancedFilters .form-control,
#advancedFilters .form-select {
    border-radius: 6px;
    border: 1px solid #ced4da;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

#advancedFilters .form-control:focus,
#advancedFilters .form-select:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

#toggleFiltersBtn.active {
    background-color: #007bff;
    color: white;
    border-color: #007bff;
}

#filterResultsCount {
    font-style: italic;
    color: #6c757d;
}

.filter-clear-btn {
    transition: all 0.2s ease;
}

.filter-clear-btn:hover {
    background-color: #6c757d;
    color: white;
}

/* Loading States and Spinners */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    color: white;
}

/* Mobile Responsiveness Enhancements */
@media (max-width: 768px) {
    .container {
        padding-left: var(--space-md);
        padding-right: var(--space-md);
    }

    .navbar-brand {
        font-size: var(--font-size-lg);
    }

    .btn {
        padding: var(--space-sm) var(--space-md);
        font-size: var(--font-size-sm);
        width: 100%;
        margin-bottom: var(--space-sm);
    }

    .btn-group .btn {
        width: auto;
        margin-bottom: 0;
    }

    .card-body {
        padding: var(--space-md);
    }

    .stat-card {
        margin-bottom: var(--space-md);
    }

    .stat-card h4 {
        font-size: var(--font-size-xl);
    }

    .table {
        font-size: var(--font-size-xs);
    }

    .table th, .table td {
        padding: var(--space-sm);
    }

    .navbar .btn {
        width: auto;
        margin-bottom: 0;
        padding: var(--space-xs) var(--space-sm);
        font-size: var(--font-size-xs);
    }
}

@media (max-width: 576px) {
    .table-responsive {
        border-radius: var(--radius-md);
    }

    .card {
        border-radius: var(--radius-md);
    }

    .btn {
        border-radius: var(--radius-md);
    }

    .navbar {
        padding: var(--space-sm) 0;
    }

    .navbar-nav {
        flex-direction: column;
        width: 100%;
    }

    .navbar-nav .nav-item {
        width: 100%;
        margin-bottom: var(--space-xs);
    }
}

/* Enhanced 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: 0;
}

.focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn:focus-visible, .form-control:focus-visible, .form-select:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Dark Mode Support - Commented out to ensure consistent light mode experience */
/*
@media (prefers-color-scheme: dark) {
    :root {
        --background-primary: #1f2937;
        --background-secondary: #374151;
        --text-primary: #f9fafb;
        --text-secondary: #d1d5db;
        --gray-50: #374151;
        --gray-100: #4b5563;
        --gray-200: #6b7280;
        --gray-300: #9ca3af;
    }

    .navbar {
        background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
    }

    .table th {
        background: linear-gradient(135deg, #374151 0%, #4b5563 100%);
    }

    .card {
        background: var(--background-primary);
    }
}
*/

/* Utility Classes */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
}

.bg-gradient-light {
    background: linear-gradient(135deg, var(--background-primary) 0%, var(--gray-50) 100%);
}

.shadow-glow {
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.3);
}

/* Enhanced Hover States */
.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    transition: var(--transition-slow);
}

.btn-hover:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

/* Print Optimization */
@media print {
    .navbar, .btn, .loading-overlay {
        display: none !important;
    }

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

    .table {
        font-size: 10px;
    }

    body {
        background: white;
    }
}

/* Reduced Motion for Accessibility */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}