/* AdScientist Enhanced Light Theme */

/* Enhanced Design System Variables */
:root {
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --bg-quaternary: #f1f3f5;
    
    /* Text Colors */
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #868e96;
    --text-light: #adb5bd;
    
    /* Border Colors */
    --border-color: #dee2e6;
    --border-light: #e9ecef;
    --border-dark: #ced4da;
    
    /* Enhanced Shadows */
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.16);
    --shadow-xl: 0 16px 32px rgba(0,0,0,0.2);
    
    /* Brand Colors */
    --primary: #007bff;
    --primary-dark: #0056b3;
    --primary-light: #66b3ff;
    --primary-rgb: 0, 123, 255;
    
    --secondary: #6c757d;
    --success: #28a745;
    --success-light: #71dd8a;
    --success-rgb: 40, 167, 69;
    
    --warning: #ffc107;
    --warning-light: #ffda6a;
    --warning-rgb: 255, 193, 7;
    
    --danger: #dc3545;
    --danger-light: #ff6b6b;
    --danger-rgb: 220, 53, 69;
    
    --info: #17a2b8;
    --info-light: #5bc0de;
    --info-rgb: 23, 162, 184;
    
    /* Spacing System */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --border-radius-xxl: 24px;
    
    /* Typography */
    --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-xxl: 1.5rem;
    
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.4s ease;
    
    /* Z-index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* Enhanced Base Theme Styles */
body {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Enhanced Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

h1 { font-size: var(--font-size-xxl); }
h2 { font-size: var(--font-size-xl); }
h3 { font-size: var(--font-size-lg); }
h4 { font-size: var(--font-size-md); }
h5 { font-size: var(--font-size-sm); }
h6 { font-size: var(--font-size-xs); }

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

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

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

/* Enhanced Focus States */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection Styling */
::selection {
    background-color: rgba(var(--primary-rgb), 0.2);
    color: var(--text-primary);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--border-radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Enhanced Card Theme */
.card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: rgba(var(--primary-rgb), 0.2);
}

.card-header {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    border-bottom: 2px solid var(--border-color);
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
    padding: var(--spacing-lg);
    position: relative;
}

.card-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), transparent);
    opacity: 0.1;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-lg);
}

/* Enhanced Navigation Theme */
.navbar {
    background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary)) !important;
    border-bottom: 2px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-md) 0;
    backdrop-filter: blur(10px);
}

.navbar-brand {
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
    color: var(--text-primary) !important;
    transition: all var(--transition-normal);
}

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

.navbar-nav .nav-link {
    color: var(--text-secondary) !important;
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-sm) var(--spacing-md) !important;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
    position: relative;
    margin: 0 var(--spacing-xs);
}

.navbar-nav .nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary) !important;
    background: rgba(var(--primary-rgb), 0.05);
    transform: translateY(-1px);
}

.navbar-nav .nav-link:hover::before,
.navbar-nav .nav-link.active::before {
    width: 80%;
}

.navbar-toggler {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-xs);
    transition: all var(--transition-normal);
}

.navbar-toggler:hover {
    border-color: var(--primary);
    background: rgba(var(--primary-rgb), 0.05);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15);
}

/* Enhanced Dropdown Menu */
.dropdown-menu {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xs);
    margin-top: var(--spacing-sm);
    animation: dropdownFadeIn var(--transition-normal) ease;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-item {
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    font-weight: var(--font-weight-medium);
}

.dropdown-item:hover {
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.1), rgba(var(--primary-rgb), 0.05));
    color: var(--primary);
    transform: translateX(4px);
}

.dropdown-item:active {
    background: rgba(var(--primary-rgb), 0.15);
}

.dropdown-divider {
    margin: var(--spacing-xs) 0;
    border-color: var(--border-light);
}

/* Enhanced Button Theme */
.btn {
    font-weight: var(--font-weight-medium);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    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 var(--transition-slow);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-color: var(--primary);
    color: white;
    box-shadow: 0 2px 8px rgba(var(--primary-rgb), 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), #004085);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(var(--primary-rgb), 0.4);
    color: white;
}

.btn-primary:active {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(var(--primary-rgb), 0.3);
}

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

.btn-outline-primary:hover {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(var(--primary-rgb), 0.3);
    color: white;
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary), #545b62);
    border-color: var(--secondary);
    color: white;
    box-shadow: 0 2px 8px rgba(108, 117, 125, 0.3);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #545b62, #495057);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(108, 117, 125, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #1e7e34);
    border-color: var(--success);
    color: white;
    box-shadow: 0 2px 8px rgba(var(--success-rgb), 0.3);
}

.btn-success:hover {
    background: linear-gradient(135deg, #1e7e34, #155724);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(var(--success-rgb), 0.4);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

/* Enhanced Form Theme */
.form-control,
.form-select {
    background-color: var(--bg-primary);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-md);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-xs);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15), var(--shadow-sm);
    outline: none;
    transform: translateY(-1px);
}

.form-control:hover,
.form-select:hover {
    border-color: rgba(var(--primary-rgb), 0.5);
}

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

.form-text {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

.form-check {
    margin-bottom: var(--spacing-sm);
}

.form-check-input {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-normal);
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(var(--primary-rgb), 0.3);
}

.form-check-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15);
}

.form-check-label {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    cursor: pointer;
    margin-left: var(--spacing-sm);
}

/* Enhanced Table Theme */
.table {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
}

.table thead th {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    border-color: var(--border-color);
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
    padding: var(--spacing-md);
    text-transform: uppercase;
    font-size: var(--font-size-xs);
    letter-spacing: 0.05em;
    position: relative;
}

.table thead th::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), transparent);
    opacity: 0.3;
}

.table tbody td {
    padding: var(--spacing-md);
    border-color: var(--border-light);
    vertical-align: middle;
}

.table-hover tbody tr {
    transition: all var(--transition-fast);
}

.table-hover tbody tr:hover {
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.05), rgba(var(--primary-rgb), 0.02));
    transform: scale(1.01);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: var(--bg-secondary);
}

.table-striped tbody tr:nth-of-type(odd):hover {
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.08), rgba(var(--primary-rgb), 0.04));
}

/* Responsive Table */
.table-responsive {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.table-responsive::-webkit-scrollbar {
    height: 8px;
}

.table-responsive::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.table-responsive::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--border-radius-sm);
}

/* Enhanced Alert Theme */
.alert {
    border: none;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: var(--font-weight-medium);
    position: relative;
    overflow: hidden;
    animation: alertSlideIn var(--transition-normal) ease;
}

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

.alert::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: currentColor;
    opacity: 0.8;
}

.alert-success {
    background: linear-gradient(135deg, rgba(var(--success-rgb), 0.15), rgba(var(--success-rgb), 0.08));
    color: var(--success);
    border-left: 4px solid var(--success);
}

.alert-danger {
    background: linear-gradient(135deg, rgba(var(--danger-rgb), 0.15), rgba(var(--danger-rgb), 0.08));
    color: var(--danger);
    border-left: 4px solid var(--danger);
}

.alert-warning {
    background: linear-gradient(135deg, rgba(var(--warning-rgb), 0.15), rgba(var(--warning-rgb), 0.08));
    color: #856404;
    border-left: 4px solid var(--warning);
}

.alert-info {
    background: linear-gradient(135deg, rgba(var(--info-rgb), 0.15), rgba(var(--info-rgb), 0.08));
    color: var(--info);
    border-left: 4px solid var(--info);
}

/* Enhanced Badge Theme */
.badge {
    font-weight: var(--font-weight-semibold);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
}

.badge.bg-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
    box-shadow: 0 2px 4px rgba(var(--primary-rgb), 0.3);
}

.badge.bg-success {
    background: linear-gradient(135deg, var(--success), #1e7e34) !important;
    box-shadow: 0 2px 4px rgba(var(--success-rgb), 0.3);
}

.badge.bg-warning {
    background: linear-gradient(135deg, var(--warning), #e0a800) !important;
    color: #212529 !important;
    box-shadow: 0 2px 4px rgba(var(--warning-rgb), 0.3);
}

.badge.bg-danger {
    background: linear-gradient(135deg, var(--danger), #c82333) !important;
    box-shadow: 0 2px 4px rgba(var(--danger-rgb), 0.3);
}

.badge.bg-secondary {
    background: linear-gradient(135deg, var(--secondary), #545b62) !important;
    box-shadow: 0 2px 4px rgba(108, 117, 125, 0.3);
}

.badge.bg-info {
    background: linear-gradient(135deg, var(--info), #138496) !important;
    box-shadow: 0 2px 4px rgba(var(--info-rgb), 0.3);
}

/* Metric Card Theme */
.light-theme .metric-card {
    background-color: var(--bg-primary);
    border-left-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.light-theme .metric-card:hover {
    box-shadow: var(--shadow-md);
}

.light-theme .metric-value {
    color: var(--primary);
}

.light-theme .metric-label {
    color: var(--text-secondary);
}

/* Chart Theme */
.light-theme .chart-wrapper {
    background-color: var(--bg-primary);
    border-radius: 8px;
}

/* Enhanced Modal Theme */
.modal-content {
    background: var(--bg-primary);
    border: none;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    animation: modalSlideIn var(--transition-normal) ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    border-bottom: 2px solid var(--border-color);
    padding: var(--spacing-lg);
    position: relative;
}

.modal-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), transparent);
    opacity: 0.2;
}

.modal-title {
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    font-size: var(--font-size-lg);
}

.modal-body {
    padding: var(--spacing-lg);
    background: var(--bg-primary);
}

.modal-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-lg);
}

.btn-close {
    background: transparent;
    border: none;
    opacity: 0.7;
    transition: all var(--transition-fast);
}

.btn-close:hover {
    opacity: 1;
    transform: rotate(90deg);
}

.modal-backdrop {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

/* Dropdown Theme */
.light-theme .dropdown-menu {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
    box-shadow: var(--shadow-md);
}

.light-theme .dropdown-item {
    color: var(--text-primary);
}

.light-theme .dropdown-item:hover {
    background-color: var(--bg-secondary);
}

/* Loading Theme */
.light-theme .loading-overlay {
    background-color: rgba(255, 255, 255, 0.9);
}

.light-theme .loading-spinner {
    border-color: var(--bg-tertiary);
    border-top-color: var(--primary);
}

/* Text Colors */
.light-theme .text-primary {
    color: var(--text-primary) !important;
}

.light-theme .text-secondary {
    color: var(--text-secondary) !important;
}

.light-theme .text-muted {
    color: var(--text-muted) !important;
}

/* Background Colors */
.light-theme .bg-light {
    background-color: var(--bg-secondary) !important;
}

.light-theme .bg-white {
    background-color: var(--bg-primary) !important;
}

/* Border Colors */
.light-theme .border {
    border-color: var(--border-color) !important;
}

/* Chart.js Theme Overrides */
.light-theme canvas {
    background-color: transparent;
}

/* Dark mode toggle (for future use) */
.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    padding: 0.375rem 0.75rem;
    border-radius: 0.375rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

/* Enhanced Responsive Design */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;
        padding: 0 var(--spacing-lg);
    }
}

@media (max-width: 992px) {
    .navbar-nav {
        text-align: center;
        margin-top: var(--spacing-md);
    }
    
    .navbar-nav .nav-link {
        margin: var(--spacing-xs) 0;
    }
    
    .dropdown-menu {
        position: static !important;
        transform: none !important;
        box-shadow: none;
        border: 1px solid var(--border-color);
        margin-top: var(--spacing-sm);
    }
}

@media (max-width: 768px) {
    body {
        font-size: var(--font-size-sm);
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .card {
        margin-bottom: var(--spacing-md);
        border-radius: var(--border-radius-md);
    }
    
    .card-header {
        padding: var(--spacing-md);
        font-size: var(--font-size-md);
    }
    
    .card-body {
        padding: var(--spacing-md);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .btn-lg {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-md);
    }
    
    .form-control,
    .form-select {
        padding: var(--spacing-sm);
        font-size: var(--font-size-sm);
    }
    
    .table {
        font-size: var(--font-size-sm);
    }
    
    .table thead th {
        padding: var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    
    .table tbody td {
        padding: var(--spacing-sm);
    }
    
    .modal-content {
        margin: var(--spacing-md);
        border-radius: var(--border-radius-lg);
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: var(--spacing-md);
    }
    
    .alert {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    h1 { font-size: var(--font-size-xl); }
    h2 { font-size: var(--font-size-lg); }
    h3 { font-size: var(--font-size-md); }
    
    .card {
        border-radius: var(--border-radius-sm);
        margin-bottom: var(--spacing-sm);
    }
    
    .card-header {
        padding: var(--spacing-sm);
    }
    
    .card-body {
        padding: var(--spacing-sm);
    }
    
    .btn {
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }
    
    .btn-block {
        width: 100%;
    }
    
    .form-row {
        margin-bottom: var(--spacing-sm);
    }
    
    .table-responsive {
        font-size: var(--font-size-xs);
    }
    
    .badge {
        font-size: 0.65rem;
        padding: 2px 6px;
    }
    
    .modal-content {
        margin: var(--spacing-sm);
        border-radius: var(--border-radius-md);
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: var(--spacing-sm);
    }
    
    .navbar {
        padding: var(--spacing-sm) 0;
    }
    
    .navbar-brand {
        font-size: var(--font-size-md);
    }
}

/* Touch-friendly interactions for mobile */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-link,
    .dropdown-item,
    .form-control,
    .form-select {
        min-height: 44px;
    }
    
    .btn:hover,
    .nav-link:hover,
    .dropdown-item:hover {
        transform: none;
    }
    
    .card:hover {
        transform: none;
    }
}