/* Custom CSS for Sistema de Gestão de Expedição */

/* Root Variables - Light Theme */
:root {
    /* Brand Colors - Modern Blue 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;
    --primary-950: #172554;
    
    /* Semantic Colors */
    --success-50: #f0fdf4;
    --success-100: #dcfce7;
    --success-200: #bbf7d0;
    --success-300: #86efac;
    --success-400: #4ade80;
    --success-500: #22c55e;
    --success-600: #16a34a;
    --success-700: #15803d;
    --success-800: #166534;
    --success-900: #14532d;
    
    --warning-50: #fffbeb;
    --warning-100: #fef3c7;
    --warning-200: #fde68a;
    --warning-300: #fcd34d;
    --warning-400: #fbbf24;
    --warning-500: #f59e0b;
    --warning-600: #d97706;
    --warning-700: #b45309;
    --warning-800: #92400e;
    --warning-900: #78350f;
    
    --danger-50: #fef2f2;
    --danger-100: #fee2e2;
    --danger-200: #fecaca;
    --danger-300: #fca5a5;
    --danger-400: #f87171;
    --danger-500: #ef4444;
    --danger-600: #dc2626;
    --danger-700: #b91c1c;
    --danger-800: #991b1b;
    --danger-900: #7f1d1d;
    
    --info-50: #f0f9ff;
    --info-100: #e0f2fe;
    --info-200: #bae6fd;
    --info-300: #7dd3fc;
    --info-400: #38bdf8;
    --info-500: #0ea5e9;
    --info-600: #0284c7;
    --info-700: #0369a1;
    --info-800: #075985;
    --info-900: #0c4a6e;
    
    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --gray-950: #030712;
    
    /* Main Color Assignments */
    --primary-color: var(--primary-600);
    --secondary-color: var(--gray-500);
    --success-color: var(--success-600);
    --danger-color: var(--danger-600);
    --warning-color: var(--warning-500);
    --info-color: var(--info-500);
    --light-color: var(--gray-50);
    --dark-color: var(--gray-900);
    
    /* Border Radius */
    --border-radius: 0.5rem;
    --border-radius-sm: 0.25rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-2xl: 1.5rem;
    --border-radius-full: 9999px;
    
    /* Shadows */
    --box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --box-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --box-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --box-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --box-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --box-shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --box-shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    
    /* Transitions */
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.1s ease-out;
    --transition-slow: all 0.3s ease-in-out;
    
    /* Spacing Variables */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;
    --spacing-3xl: 3rem;
    --spacing-4xl: 4rem;
    
    /* Typography */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --line-height-tight: 1.25;
    --line-height-base: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Theme Variables */
    --bg-color: #ffffff;
    --bg-secondary: var(--gray-50);
    --bg-tertiary: var(--gray-100);
    --text-color: var(--gray-900);
    --text-secondary: var(--gray-700);
    --text-muted: var(--gray-500);
    --text-disabled: var(--gray-400);
    --border-color: var(--gray-200);
    --border-color-light: var(--gray-100);
    --navbar-bg: var(--primary-color);
    --card-bg: #ffffff;
    --input-bg: #ffffff;
    --input-border: var(--gray-300);
    --input-focus-border: var(--primary-500);
    --hover-bg: var(--gray-50);
    --active-bg: var(--gray-100);
}

/* Dark Theme Variables */
[data-bs-theme="dark"] {
    /* Adjusted colors for dark theme */
    --primary-color: var(--primary-500);
    --secondary-color: var(--gray-400);
    --success-color: var(--success-500);
    --danger-color: var(--danger-500);
    --warning-color: var(--warning-400);
    --info-color: var(--info-400);
    --light-color: var(--gray-800);
    --dark-color: var(--gray-100);
    
    /* Dark Theme Specific Backgrounds */
    --bg-color: var(--gray-900);
    --bg-secondary: var(--gray-800);
    --bg-tertiary: var(--gray-700);
    
    /* Dark Theme Text Colors */
    --text-color: var(--gray-100);
    --text-secondary: var(--gray-300);
    --text-muted: var(--gray-400);
    --text-disabled: var(--gray-600);
    
    /* Dark Theme Borders */
    --border-color: var(--gray-700);
    --border-color-light: var(--gray-800);
    
    /* Dark Theme Components */
    --navbar-bg: var(--gray-950);
    --card-bg: var(--gray-800);
    --input-bg: var(--gray-800);
    --input-border: var(--gray-600);
    --input-focus-border: var(--primary-400);
    --hover-bg: var(--gray-800);
    --active-bg: var(--gray-700);
    
    /* Dark Theme Shadows (lighter for visibility) */
    --box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    --box-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    --box-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --box-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --box-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
    --box-shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --box-shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.2);
}

/* Body and Layout */
body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-color);
    background-color: var(--bg-color);
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

@media (min-width: 576px) {
    .container {
        padding-left: var(--spacing-lg);
        padding-right: var(--spacing-lg);
    }
}

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

h1 { font-size: 2.25rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-sm); }

p {
    margin-bottom: var(--spacing-md);
    line-height: var(--line-height-relaxed);
}

.lead {
    font-size: var(--font-size-lg);
    font-weight: 300;
    line-height: var(--line-height-relaxed);
}

.text-small {
    font-size: var(--font-size-sm);
}

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

/* Navigation Enhancements */
.navbar {
    padding: var(--spacing-sm) 0;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1050 !important;
}

.navbar-brand {
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: -0.025em;
    transition: var(--transition-fast);
}

.navbar-brand:hover {
    transform: scale(1.02);
}

.navbar-nav {
    gap: var(--spacing-xs);
}

.navbar-nav .nav-link {
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: var(--transition);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    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, 0.2), transparent);
    transition: left 0.5s;
}

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

.navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
    box-shadow: var(--box-shadow-sm);
}

.dropdown-menu {
    border: none;
    box-shadow: var(--box-shadow-lg);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm);
    margin-top: var(--spacing-xs);
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
    z-index: 9999 !important;
    position: absolute !important;
}

.dropdown-item {
    transition: var(--transition);
    border-radius: var(--border-radius-sm);
    margin: var(--spacing-xs) 0;
    padding: var(--spacing-sm) var(--spacing-md);
}

/* Navbar dropdown specific styles */
.navbar .dropdown-menu {
    z-index: 99999 !important;
    position: fixed !important;
    top: auto !important;
    transform: none !important;
}

/* Force dropdown above all elements */
.navbar-nav .dropdown-menu {
    z-index: 99999 !important;
    position: fixed !important;
    background-color: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(15px) !important;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2) !important;
}

/* Dark mode navbar dropdown override */
[data-bs-theme="dark"] .navbar-nav .dropdown-menu {
    background-color: rgba(33, 37, 41, 0.98) !important;
    border: 1px solid var(--border-color) !important;
}

[data-bs-theme="dark"] .navbar-nav .dropdown-item {
    color: var(--text-color) !important;
}

[data-bs-theme="dark"] .navbar-nav .dropdown-item:hover,
[data-bs-theme="dark"] .navbar-nav .dropdown-item:focus {
    background-color: var(--bg-secondary) !important;
    color: var(--text-color) !important;
}

/* Ensure cards don't interfere */
.stats-card, .card {
    z-index: 1 !important;
    position: relative !important;
}

/* Color Utility Classes */

/* Background Colors */
.bg-primary-50 { background-color: var(--primary-50) !important; }
.bg-primary-100 { background-color: var(--primary-100) !important; }
.bg-primary-200 { background-color: var(--primary-200) !important; }
.bg-primary-300 { background-color: var(--primary-300) !important; }
.bg-primary-400 { background-color: var(--primary-400) !important; }
.bg-primary-500 { background-color: var(--primary-500) !important; }
.bg-primary-600 { background-color: var(--primary-600) !important; }
.bg-primary-700 { background-color: var(--primary-700) !important; }
.bg-primary-800 { background-color: var(--primary-800) !important; }
.bg-primary-900 { background-color: var(--primary-900) !important; }

.bg-success-50 { background-color: var(--success-50) !important; }
.bg-success-100 { background-color: var(--success-100) !important; }
.bg-success-500 { background-color: var(--success-500) !important; }
.bg-success-600 { background-color: var(--success-600) !important; }

.bg-warning-50 { background-color: var(--warning-50) !important; }
.bg-warning-100 { background-color: var(--warning-100) !important; }
.bg-warning-500 { background-color: var(--warning-500) !important; }
.bg-warning-600 { background-color: var(--warning-600) !important; }

.bg-danger-50 { background-color: var(--danger-50) !important; }
.bg-danger-100 { background-color: var(--danger-100) !important; }
.bg-danger-500 { background-color: var(--danger-500) !important; }
.bg-danger-600 { background-color: var(--danger-600) !important; }

.bg-info-50 { background-color: var(--info-50) !important; }
.bg-info-100 { background-color: var(--info-100) !important; }
.bg-info-500 { background-color: var(--info-500) !important; }
.bg-info-600 { background-color: var(--info-600) !important; }

.bg-gray-50 { background-color: var(--gray-50) !important; }
.bg-gray-100 { background-color: var(--gray-100) !important; }
.bg-gray-200 { background-color: var(--gray-200) !important; }
.bg-gray-300 { background-color: var(--gray-300) !important; }
.bg-gray-400 { background-color: var(--gray-400) !important; }
.bg-gray-500 { background-color: var(--gray-500) !important; }
.bg-gray-600 { background-color: var(--gray-600) !important; }
.bg-gray-700 { background-color: var(--gray-700) !important; }
.bg-gray-800 { background-color: var(--gray-800) !important; }
.bg-gray-900 { background-color: var(--gray-900) !important; }

/* Text Colors */
.text-primary-500 { color: var(--primary-500) !important; }
.text-primary-600 { color: var(--primary-600) !important; }
.text-primary-700 { color: var(--primary-700) !important; }

.text-success-500 { color: var(--success-500) !important; }
.text-success-600 { color: var(--success-600) !important; }
.text-success-700 { color: var(--success-700) !important; }

.text-warning-500 { color: var(--warning-500) !important; }
.text-warning-600 { color: var(--warning-600) !important; }
.text-warning-700 { color: var(--warning-700) !important; }

.text-danger-500 { color: var(--danger-500) !important; }
.text-danger-600 { color: var(--danger-600) !important; }
.text-danger-700 { color: var(--danger-700) !important; }

.text-info-500 { color: var(--info-500) !important; }
.text-info-600 { color: var(--info-600) !important; }
.text-info-700 { color: var(--info-700) !important; }

.text-gray-400 { color: var(--gray-400) !important; }
.text-gray-500 { color: var(--gray-500) !important; }
.text-gray-600 { color: var(--gray-600) !important; }
.text-gray-700 { color: var(--gray-700) !important; }
.text-gray-800 { color: var(--gray-800) !important; }
.text-gray-900 { color: var(--gray-900) !important; }

/* Border Colors */
.border-primary-200 { border-color: var(--primary-200) !important; }
.border-primary-300 { border-color: var(--primary-300) !important; }
.border-primary-500 { border-color: var(--primary-500) !important; }

.border-success-200 { border-color: var(--success-200) !important; }
.border-success-500 { border-color: var(--success-500) !important; }

.border-warning-200 { border-color: var(--warning-200) !important; }
.border-warning-500 { border-color: var(--warning-500) !important; }

.border-danger-200 { border-color: var(--danger-200) !important; }
.border-danger-500 { border-color: var(--danger-500) !important; }

.border-gray-200 { border-color: var(--gray-200) !important; }
.border-gray-300 { border-color: var(--gray-300) !important; }
.border-gray-400 { border-color: var(--gray-400) !important; }

/* Status Indicators */
.status-success {
    background-color: var(--success-100);
    color: var(--success-700);
    border: 1px solid var(--success-200);
}

.status-warning {
    background-color: var(--warning-100);
    color: var(--warning-700);
    border: 1px solid var(--warning-200);
}

.status-danger {
    background-color: var(--danger-100);
    color: var(--danger-700);
    border: 1px solid var(--danger-200);
}

.status-info {
    background-color: var(--info-100);
    color: var(--info-700);
    border: 1px solid var(--info-200);
}

/* Hover States */
.hover-bg-primary:hover {
    background-color: var(--primary-50) !important;
}

.hover-bg-gray:hover {
    background-color: var(--gray-50) !important;
}

.hover-text-primary:hover {
    color: var(--primary-600) !important;
}

/* Focus States */
.focus-ring-primary:focus {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

.focus-ring-success:focus {
    outline: 2px solid var(--success-500);
    outline-offset: 2px;
}

.focus-ring-danger:focus {
    outline: 2px solid var(--danger-500);
    outline-offset: 2px;
}

/* Animations and Transitions */

/* Fade In Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

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

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-2px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(2px);
    }
}

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

/* Animation Classes */
.animate-fade-in {
    animation: fadeIn 0.3s ease-out;
}

.animate-fade-in-up {
    animation: fadeInUp 0.4s ease-out;
}

.animate-fade-in-down {
    animation: fadeInDown 0.4s ease-out;
}

.animate-slide-in-left {
    animation: slideInLeft 0.3s ease-out;
}

.animate-slide-in-right {
    animation: slideInRight 0.3s ease-out;
}

.animate-scale-in {
    animation: scaleIn 0.2s ease-out;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

.animate-shake {
    animation: shake 0.5s ease-in-out;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* Hover Animations */
.hover-lift:hover {
    transform: translateY(-2px);
    transition: transform var(--transition-base);
}

.hover-grow:hover {
    transform: scale(1.02);
    transition: transform var(--transition-base);
}

.hover-shrink:hover {
    transform: scale(0.98);
    transition: transform var(--transition-base);
}

.hover-rotate:hover {
    transform: rotate(5deg);
    transition: transform var(--transition-base);
}

.hover-bounce:hover {
    animation: pulse 0.6s ease-in-out;
}

/* Loading States */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-200);
    border-top: 2px solid var(--primary-500);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Page Transitions */
.page-transition {
    animation: fadeInUp 0.5s ease-out;
}

/* Modal Animations */
.modal.fade .modal-dialog {
    transform: translateY(-50px);
    transition: transform var(--transition-base);
}

.modal.show .modal-dialog {
    transform: translateY(0);
}

/* Dropdown Animations */
.dropdown-menu {
    animation: fadeInDown 0.2s ease-out;
    transform-origin: top;
}

/* Alert Animations */
.alert {
    animation: slideInRight 0.3s ease-out;
}

.alert.alert-dismissible {
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.alert.fade:not(.show) {
    opacity: 0;
    transform: translateX(100%);
}

/* Progress Bar Animation */
.progress-bar {
    transition: width var(--transition-slow) ease-in-out;
}

/* Tab Animations */
.tab-content > .tab-pane {
    animation: fadeIn 0.3s ease-out;
}

/* Accordion Animations */
.accordion-collapse {
    transition: height var(--transition-base) ease;
}

/* Tooltip Animations */
.tooltip {
    animation: scaleIn 0.15s ease-out;
}

/* Popover Animations */
.popover {
    animation: scaleIn 0.2s ease-out;
}

/* Form Validation Animations */
.was-validated .form-control:invalid,
.form-control.is-invalid {
    animation: shake 0.3s ease-in-out;
}

/* Button Click Animation */
.btn:active {
    transform: scale(0.98);
    transition: transform 0.1s ease;
}

/* Card Hover Effects */
.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

/* Image Hover Effects */
.img-hover:hover {
    transform: scale(1.05);
    transition: transform var(--transition-base);
}

/* Link Hover Effects */
a:not(.btn):hover {
    transition: color var(--transition-fast);
}

/* Stagger Animation for Lists */
.stagger-animation > * {
    animation: fadeInUp 0.4s ease-out;
}

.stagger-animation > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-animation > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-animation > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-animation > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-animation > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-animation > *:nth-child(6) { animation-delay: 0.6s; }
.stagger-animation > *:nth-child(7) { animation-delay: 0.7s; }
.stagger-animation > *:nth-child(8) { animation-delay: 0.8s; }
.stagger-animation > *:nth-child(9) { animation-delay: 0.9s; }
.stagger-animation > *:nth-child(10) { animation-delay: 1.0s; }

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .animate-pulse,
    .animate-spin {
        animation: none !important;
    }
}

.dropdown-item:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateX(var(--spacing-xs));
    box-shadow: var(--box-shadow-sm);
}

.dropdown-item i {
    width: 1.25rem;
    text-align: center;
}

/* Theme Toggle Improvements */
.form-check-input[type="checkbox"] {
    width: 3rem;
    height: 1.5rem;
    border-radius: 1rem;
    background-color: var(--secondary-color);
    border: 2px solid var(--border-color);
    transition: var(--transition);
    cursor: pointer;
}

.form-check-input[type="checkbox"]:checked {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
    box-shadow: 0 0 0 0.25rem rgba(255, 193, 7, 0.25);
}

.form-check-label {
    margin-left: var(--spacing-sm);
    cursor: pointer;
}

#themeIcon {
    font-size: 1.2rem;
    color: var(--text-color);
    transition: var(--transition);
}

#themeIcon:hover {
    transform: rotate(180deg);
}

/* Cards and Components */
.card {
    border: 1px solid var(--border-color);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border-radius: var(--border-radius-lg);
    background-color: var(--card-bg);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.card:hover {
    box-shadow: var(--box-shadow-lg);
    transform: translateY(-4px);
    border-color: var(--primary-200);
}

.card-header {
    background-color: var(--bg-secondary);
    color: var(--text-color);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0 !important;
    font-weight: 600;
    padding: var(--spacing-lg) var(--spacing-md);
    font-size: var(--font-size-lg);
    border-bottom: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.card-header::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 0.8s;
}

.card:hover .card-header::before {
    left: 100%;
}

.card-body {
    padding: var(--spacing-lg);
    color: var(--text-color);
    line-height: var(--line-height-relaxed);
}

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

/* Card Variants */
.card-primary {
    border-left: 4px solid var(--primary-color);
}

.card-success {
    border-left: 4px solid var(--success-color);
}

.card-warning {
    border-left: 4px solid var(--warning-color);
}

.card-danger {
    border-left: 4px solid var(--danger-color);
}

.card-info {
    border-left: 4px solid var(--info-color);
}

/* Compact Cards */
.card-compact .card-body {
    padding: var(--spacing-md);
}

.card-compact .card-header {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
}

/* Buttons */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: var(--transition);
    border: 2px solid transparent;
    padding: var(--spacing-sm) var(--spacing-lg);
    position: relative;
    overflow: hidden;
    text-transform: none;
    letter-spacing: 0.025em;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    text-decoration: none;
}

.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 0.6s;
}

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

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

.btn:active {
    transform: translateY(0);
    box-shadow: var(--box-shadow);
}

.btn:focus {
    box-shadow: 0 0 0 0.25rem rgba(59, 130, 246, 0.25);
    outline: none;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* Button Variants */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    border-color: var(--primary-600);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-700), var(--primary-800));
    border-color: var(--primary-700);
    color: white;
}

.btn-secondary {
    background-color: var(--gray-100);
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--gray-200);
    border-color: var(--gray-400);
    color: var(--gray-800);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-600), var(--success-700));
    border-color: var(--success-600);
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--success-700), var(--success-800));
    border-color: var(--success-700);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-600), var(--danger-700));
    border-color: var(--danger-600);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--danger-700), var(--danger-800));
    border-color: var(--danger-700);
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-500), var(--warning-600));
    color: white;
    border-color: var(--warning-500);
}

.btn-warning:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--warning-600), var(--warning-700));
    border-color: var(--warning-600);
    color: white;
}

.btn-info {
    background: linear-gradient(135deg, var(--info-500), var(--info-600));
    border-color: var(--info-500);
    color: white;
}

.btn-info:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--info-600), var(--info-700));
    border-color: var(--info-600);
    color: white;
}

/* Button Sizes */
.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
    border-radius: var(--border-radius-sm);
}

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

/* Outline Buttons */
.btn-outline-primary {
    background-color: transparent;
    color: var(--primary-600);
    border-color: var(--primary-600);
}

.btn-outline-primary:hover:not(:disabled) {
    background-color: var(--primary-600);
    border-color: var(--primary-600);
    color: white;
}

.btn-outline-secondary {
    background-color: transparent;
    color: var(--gray-600);
    border-color: var(--gray-300);
}

.btn-outline-secondary:hover:not(:disabled) {
    background-color: var(--gray-100);
    color: var(--gray-700);
    border-color: var(--gray-400);
}

.btn-outline-success {
    background-color: transparent;
    color: var(--success-600);
    border-color: var(--success-600);
}

.btn-outline-success:hover:not(:disabled) {
    background-color: var(--success-600);
    color: white;
}

.btn-outline-warning {
    background-color: transparent;
    color: var(--warning-500);
    border-color: var(--warning-500);
}

.btn-outline-warning:hover:not(:disabled) {
    background-color: var(--warning-500);
    color: white;
}

.btn-outline-danger {
    background-color: transparent;
    color: var(--danger-600);
    border-color: var(--danger-600);
}

.btn-outline-danger:hover:not(:disabled) {
    background-color: var(--danger-600);
    color: white;
}

.btn-outline-info {
    background-color: transparent;
    color: var(--info-500);
    border-color: var(--info-500);
}

.btn-outline-info:hover:not(:disabled) {
    background-color: var(--info-500);
    color: white;
}

/* Button Groups */
.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.btn-group .btn:only-child {
    border-radius: var(--border-radius);
}

.btn-group .btn:not(:first-child) {
    margin-left: -2px;
}

.btn-group .btn:hover {
    z-index: 1;
}

/* Forms */
.form-control {
    border-radius: var(--border-radius);
    border: 2px solid var(--input-border);
    transition: var(--transition);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    background-color: var(--input-bg);
    color: var(--text-color);
    line-height: var(--line-height-base);
}

.form-control:focus {
    border-color: var(--input-focus-border);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    background-color: var(--input-bg);
    outline: none;
}

.form-control:hover:not(:focus) {
    border-color: var(--primary-400);
}

.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

.form-control:disabled {
    background-color: var(--gray-100);
    color: var(--gray-500);
    border-color: var(--gray-200);
    cursor: not-allowed;
}

.form-label {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
    display: block;
}

.form-label.required::after {
    content: ' *';
    color: var(--danger-500);
}

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

/* Form Groups */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group:last-child {
    margin-bottom: 0;
}

/* Input Groups */
.input-group {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    width: 100%;
}

.input-group .form-control {
    position: relative;
    flex: 1 1 auto;
    width: 1%;
    min-width: 0;
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    font-weight: 400;
    line-height: 1.5;
    color: var(--text-color);
    text-align: center;
    white-space: nowrap;
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
}

/* Select Styling */
.form-select {
    border-radius: var(--border-radius);
    border: 2px solid var(--input-border);
    transition: var(--transition);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    background-color: var(--input-bg);
    color: var(--text-color);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m1 6 7 7 7-7'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right var(--spacing-sm) center;
    background-size: 16px 12px;
    padding-right: calc(var(--spacing-md) + 20px);
}

.form-select:focus {
    border-color: var(--input-focus-border);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    outline: none;
}

.form-select:hover:not(:focus) {
    border-color: var(--primary-400);
}

/* Checkbox and Radio */
.form-check {
    display: block;
    min-height: 1.5rem;
    padding-left: 1.5em;
    margin-bottom: var(--spacing-xs);
}

.form-check-input {
    width: 1em;
    height: 1em;
    margin-top: 0.25em;
    margin-left: -1.5em;
    vertical-align: top;
    background-color: var(--input-bg);
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    border: 2px solid var(--input-border);
    appearance: none;
    color-adjust: exact;
    transition: var(--transition);
}

.form-check-input:focus {
    border-color: var(--input-focus-border);
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-check-input:checked {
    background-color: var(--primary-500);
    border-color: var(--primary-500);
}

.form-check-label {
    color: var(--text-color);
    cursor: pointer;
    font-size: var(--font-size-base);
}

/* Form Validation */
.is-valid {
    border-color: var(--success-500) !important;
}

.is-valid:focus {
    border-color: var(--success-500) !important;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1) !important;
}

.is-invalid {
    border-color: var(--danger-500) !important;
}

.is-invalid:focus {
    border-color: var(--danger-500) !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

.valid-feedback {
    display: block;
    width: 100%;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--success-600);
}

.invalid-feedback {
    display: block;
    width: 100%;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--danger-600);
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
}

.alert-success {
    background: linear-gradient(135deg, #d1e7dd, #a3d9a4);
    color: #0f5132;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da, #f1aeb5);
    color: #842029;
}

.alert-warning {
    background: linear-gradient(135deg, #fff3cd, #ffecb5);
    color: #664d03;
}

.alert-info {
    background: linear-gradient(135deg, #d1ecf1, #b6e3f0);
    color: #055160;
}

/* Tables */
.table {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    background-color: var(--card-bg);
    margin-bottom: var(--spacing-lg);
    border-collapse: separate;
    border-spacing: 0;
}

.table thead th {
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    color: white;
    border: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: var(--font-size-xs);
    padding: var(--spacing-md) var(--spacing-sm);
    position: relative;
    vertical-align: middle;
}

.table thead th::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.table tbody td {
    padding: var(--spacing-sm) var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
    font-size: var(--font-size-sm);
    color: var(--text-color);
    transition: var(--transition);
}

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

.table tbody tr:hover {
    background-color: rgba(13, 110, 253, 0.05);
    transform: scale(1.005);
    box-shadow: var(--box-shadow);
}

.table tbody tr:nth-child(even) {
    background-color: var(--bg-secondary);
}

.table tbody tr:nth-child(even):hover {
    background-color: rgba(13, 110, 253, 0.05);
}

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

.table-hover tbody tr:hover {
    background-color: rgba(13, 110, 253, 0.05);
}

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

/* Medium Tablets (992px and below) */
@media (max-width: 992px) {
    /* Navigation */
    .navbar-nav {
        margin-top: var(--spacing-xs);
    }
    
    /* Cards */
    .card {
        margin-bottom: var(--spacing-md);
    }
    
    /* Forms */
    .form-row {
        flex-direction: column;
    }
    
    .form-row .col {
        margin-bottom: var(--spacing-sm);
    }
    
    /* Tables */
    .table-responsive {
        font-size: var(--font-size-sm);
    }
    
    /* Modals */
    .modal-lg {
        max-width: 90vw;
    }
}

/* Small Tablets (768px and below) - Enhanced */
@media (max-width: 768px) {
    .table-responsive {
        font-size: var(--font-size-xs);
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .table thead th,
    .table tbody td {
        padding: var(--spacing-xs);
        min-width: 100px;
    }
    
    .table thead th {
        font-size: var(--font-size-xs);
        font-weight: 600;
        background-color: var(--bg-secondary);
        position: sticky;
        top: 0;
        z-index: 10;
    }
    
    /* Hide less important columns on tablets */
    .table .d-tablet-none {
        display: none !important;
    }
    
    /* Stack form elements */
    .input-group-horizontal {
        flex-direction: column;
    }
    
    .input-group-horizontal .input-group-text {
        border-radius: var(--border-radius-md) var(--border-radius-md) 0 0 !important;
    }
    
    .input-group-horizontal .form-control {
        border-radius: 0 0 var(--border-radius-md) var(--border-radius-md) !important;
    }
}

/* Table Actions */
.table-actions {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: center;
    align-items: center;
}

.table-actions .btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    min-width: auto;
}

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

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

.badge-warning {
    background-color: var(--warning-color);
    color: var(--dark-color);
}

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

.badge-info {
    background-color: var(--info-color);
    color: white;
}

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

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

/* Footer */
.footer {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-top: 3px solid var(--primary-color);
}

/* Utilities */
.shadow-custom {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
}

.border-custom {
    border: 2px solid var(--primary-color) !important;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(13, 110, 253, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

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

/* Enhanced Mobile Responsiveness */

/* Large Mobile / Small Tablet (768px and below) */
@media (max-width: 768px) {
    /* Navigation */
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .navbar-nav {
        margin-top: var(--spacing-sm);
    }
    
    .navbar-nav .nav-link {
        padding: var(--spacing-sm) var(--spacing-md);
        border-bottom: 1px solid var(--border-color-light);
    }
    
    .navbar-toggler {
        border: none;
        padding: var(--spacing-xs);
    }
    
    /* Cards */
    .card {
        margin-bottom: var(--spacing-md);
        border-radius: var(--border-radius-md);
    }
    
    .card-header {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .card-body {
        padding: var(--spacing-md);
    }
    
    /* Buttons */
    .btn {
        width: 100%;
        margin-bottom: var(--spacing-sm);
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group .btn {
        border-radius: var(--border-radius-md) !important;
        margin-bottom: var(--spacing-xs);
    }
    
    /* Forms */
    .form-control,
    .form-select {
        font-size: var(--font-size-base);
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .form-label {
        font-size: var(--font-size-sm);
        font-weight: 600;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .input-group .form-control,
    .input-group .btn {
        border-radius: var(--border-radius-md) !important;
        margin-bottom: var(--spacing-xs);
    }
    
    /* Tables */
    .table-responsive {
        font-size: var(--font-size-sm);
        border-radius: var(--border-radius-md);
    }
    
    .table thead th {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs) var(--spacing-sm);
        white-space: nowrap;
    }
    
    .table tbody td {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    
    .table-actions {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .table-actions .btn {
        width: 100%;
        margin-bottom: 0;
    }
    
    /* Modals */
    .modal-dialog {
        margin: var(--spacing-sm);
        max-width: calc(100vw - var(--spacing-lg));
    }
    
    .modal-header {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .modal-body {
        padding: var(--spacing-md);
    }
    
    .modal-footer {
        padding: var(--spacing-sm) var(--spacing-md);
        flex-direction: column-reverse;
    }
    
    .modal-footer .btn {
        width: 100%;
        margin: var(--spacing-xs) 0 0 0;
    }
    
    /* Dropdowns */
    .dropdown-menu {
        width: 100%;
        max-width: none;
        border-radius: var(--border-radius-md);
    }
    
    /* Alerts */
    .alert {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
        border-radius: var(--border-radius-md);
    }
    
    /* Typography */
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    h4 { font-size: 1.1rem; }
    h5 { font-size: 1rem; }
    h6 { font-size: 0.9rem; }
    
    /* Spacing */
    .container {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
    
    .row {
        margin-left: calc(-1 * var(--spacing-sm));
        margin-right: calc(-1 * var(--spacing-sm));
    }
    
    .col,
    [class*="col-"] {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }
}

/* Theme Toggle Styles */
.form-check-input[type="checkbox"] {
    width: 3rem;
    height: 1.5rem;
    border-radius: 1rem;
    background-color: var(--secondary-color);
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.form-check-input[type="checkbox"]:checked {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
}

.form-check-label {
    margin-left: 0.5rem;
    cursor: pointer;
}

#themeIcon {
    font-size: 1.2rem;
    color: var(--text-color);
    transition: var(--transition);
}

/* Dark Theme Specific Styles */
[data-bs-theme="dark"] body {
    background-color: var(--bg-color);
    color: var(--text-color);
}

[data-bs-theme="dark"] .navbar {
    background-color: var(--navbar-bg) !important;
}

[data-bs-theme="dark"] .card {
    background-color: var(--card-bg);
    border-color: var(--border-color);
}

[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--text-color);
}

[data-bs-theme="dark"] .form-control:focus,
[data-bs-theme="dark"] .form-select:focus {
    background-color: var(--input-bg);
    border-color: var(--primary-color);
    color: var(--text-color);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

[data-bs-theme="dark"] .dropdown-menu {
    background-color: var(--card-bg);
    border-color: var(--border-color);
}

[data-bs-theme="dark"] .dropdown-item {
    color: var(--text-color);
}

[data-bs-theme="dark"] .dropdown-item:hover,
[data-bs-theme="dark"] .dropdown-item:focus {
    background-color: var(--bg-secondary);
    color: var(--text-color);
}

[data-bs-theme="dark"] .text-muted {
    color: var(--text-muted) !important;
}

[data-bs-theme="dark"] .border {
    border-color: var(--border-color) !important;
}

[data-bs-theme="dark"] .alert {
    border-color: var(--border-color);
}

/* Enhanced Dark Mode Styles */
[data-bs-theme="dark"] .table {
    color: var(--text-color);
    border-color: var(--border-color);
}

[data-bs-theme="dark"] .table th {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-color);
}

[data-bs-theme="dark"] .table td {
    border-color: var(--border-color);
}

[data-bs-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) > td {
    background-color: rgba(255, 255, 255, 0.02);
}

[data-bs-theme="dark"] .table-hover > tbody > tr:hover > td {
    background-color: rgba(255, 255, 255, 0.05);
}

[data-bs-theme="dark"] .btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

[data-bs-theme="dark"] .btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--bg-color);
}

[data-bs-theme="dark"] .btn-secondary {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-color);
}

[data-bs-theme="dark"] .btn-secondary:hover {
    background-color: var(--border-color);
    border-color: var(--border-color);
}

[data-bs-theme="dark"] .modal-content {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}

[data-bs-theme="dark"] .modal-header {
    border-bottom-color: var(--border-color);
}

[data-bs-theme="dark"] .modal-footer {
    border-top-color: var(--border-color);
}

[data-bs-theme="dark"] .modal-title {
    color: var(--text-color);
}

[data-bs-theme="dark"] .breadcrumb {
    background-color: var(--bg-secondary);
}

[data-bs-theme="dark"] .breadcrumb-item a {
    color: var(--primary-color);
}

[data-bs-theme="dark"] .breadcrumb-item.active {
    color: var(--text-muted);
}

[data-bs-theme="dark"] .page-link {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}

[data-bs-theme="dark"] .page-link:hover {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--primary-color);
}

[data-bs-theme="dark"] .page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--bg-color);
}

[data-bs-theme="dark"] .list-group-item {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}

[data-bs-theme="dark"] .list-group-item:hover {
    background-color: var(--bg-secondary);
}

[data-bs-theme="dark"] .form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

[data-bs-theme="dark"] .form-check-input {
    background-color: var(--input-bg);
    border-color: var(--input-border);
}

[data-bs-theme="dark"] .form-label {
    color: var(--text-color);
}

[data-bs-theme="dark"] .form-text {
    color: var(--text-muted);
}

[data-bs-theme="dark"] .form-control::placeholder {
    color: var(--text-muted);
}

[data-bs-theme="dark"] .dropdown-divider {
    border-color: var(--border-color);
}

[data-bs-theme="dark"] .nav-link {
    color: var(--text-color) !important;
}

[data-bs-theme="dark"] .nav-link:hover {
    color: var(--primary-color) !important;
}

[data-bs-theme="dark"] .navbar-brand {
    color: var(--text-color) !important;
}

/* Dark mode scrollbars (Webkit) */
[data-bs-theme="dark"] ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

[data-bs-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--bg-color);
}

[data-bs-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

[data-bs-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Theme notification styles */
.theme-notification {
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-bs-theme="dark"] .theme-notification {
    background-color: rgba(33, 38, 45, 0.95) !important;
    color: var(--text-color) !important;
    border-color: var(--border-color) !important;
}

/* Footer dark mode */
[data-bs-theme="dark"] .footer {
    background-color: var(--bg-secondary);
    border-top-color: var(--border-color);
    color: var(--text-muted);
}

/* Enhanced Theme Toggle Styles */
.theme-toggle-container {
    position: relative;
    display: inline-block;
}

.theme-toggle-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.theme-toggle-label {
    display: block;
    width: 60px;
    height: 30px;
    cursor: pointer;
    user-select: none;
    transition: all 0.3s ease;
}

.theme-toggle-track {
    position: relative;
    display: block;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #87CEEB 0%, #98D8E8 100%);
    border-radius: 15px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.theme-toggle-track::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    border-radius: 15px;
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-toggle-thumb {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 24px;
    height: 24px;
    background: #ffffff;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.theme-icon {
    font-size: 12px;
    color: #f39c12;
    transition: all 0.3s ease;
    transform: rotate(0deg);
}

/* Checked state */
.theme-toggle-input:checked + .theme-toggle-label .theme-toggle-track::before {
    opacity: 1;
}

.theme-toggle-input:checked + .theme-toggle-label .theme-toggle-thumb {
    transform: translateX(30px);
    background: #2c3e50;
}

.theme-toggle-input:checked + .theme-toggle-label .theme-icon {
    color: #f1c40f;
    transform: rotate(180deg);
}

/* Hover effects */
.theme-toggle-label:hover .theme-toggle-track {
    transform: scale(1.05);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15), 0 0 0 2px rgba(13, 110, 253, 0.25);
}

.theme-toggle-label:hover .theme-toggle-thumb {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(0, 0, 0, 0.1);
}

/* Focus styles for accessibility */
.theme-toggle-input:focus + .theme-toggle-label .theme-toggle-track {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Active state */
.theme-toggle-label:active .theme-toggle-thumb {
    transform: scale(0.95);
}

.theme-toggle-input:checked + .theme-toggle-label:active .theme-toggle-thumb {
    transform: translateX(30px) scale(0.95);
}

/* Dark mode adjustments for toggle */
[data-bs-theme="dark"] .theme-toggle-track {
    background: linear-gradient(135deg, #34495e 0%, #2c3e50 100%);
}

[data-bs-theme="dark"] .theme-toggle-track::before {
    background: linear-gradient(135deg, #87CEEB 0%, #98D8E8 100%);
}

[data-bs-theme="dark"] .theme-toggle-thumb {
    background: #2c3e50;
}

[data-bs-theme="dark"] .theme-toggle-input:checked + .theme-toggle-label .theme-toggle-thumb {
    background: #ffffff;
}

/* Screen reader only class */
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .theme-toggle-label {
        width: 50px;
        height: 25px;
    }
    
    .theme-toggle-thumb {
        width: 19px;
        height: 19px;
        top: 3px;
    }
    
    .theme-icon {
        font-size: 10px;
    }
    
    .theme-toggle-input:checked + .theme-toggle-label .theme-toggle-thumb {
        transform: translateX(25px);
    }
    
    .theme-toggle-input:checked + .theme-toggle-label:active .theme-toggle-thumb {
        transform: translateX(25px) scale(0.95);
    }
}

/* Toast Notification System */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1055;
    max-width: 350px;
}

.toast {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    margin-bottom: 10px;
    animation: slideInRight 0.3s ease-out;
    transition: all 0.3s ease;
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast.hide {
    opacity: 0;
    transform: translateX(100%);
}

.toast-header {
    background: transparent;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    padding: 12px 16px 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.toast-body {
    padding: 8px 16px 12px;
    color: var(--text-color);
    font-size: 14px;
    line-height: 1.4;
}

/* Toast variants */
.toast.toast-success {
    border-left: 4px solid var(--success-color);
}

.toast.toast-success .toast-icon {
    color: var(--success-color);
}

.toast.toast-error {
    border-left: 4px solid var(--danger-color);
}

.toast.toast-error .toast-icon {
    color: var(--danger-color);
}

.toast.toast-warning {
    border-left: 4px solid var(--warning-color);
}

.toast.toast-warning .toast-icon {
    color: var(--warning-color);
}

.toast.toast-info {
    border-left: 4px solid var(--info-color);
}

.toast.toast-info .toast-icon {
    color: var(--info-color);
}

.toast-icon {
    font-size: 16px;
    flex-shrink: 0;
}

.toast-title {
    font-weight: 600;
    margin: 0;
    flex-grow: 1;
    color: var(--text-color);
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.toast-close:hover {
    background: rgba(0, 0, 0, 0.1);
    color: var(--text-color);
}

/* Loading States */
.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.btn-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.btn-loading .btn-text {
    opacity: 0;
}

/* Form Validation Feedback */
.form-control.is-valid {
    border-color: var(--success-color);
    box-shadow: 0 0 0 0.25rem rgba(25, 135, 84, 0.25);
}

.form-control.is-invalid {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 0.25rem rgba(220, 53, 69, 0.25);
}

.valid-feedback {
    display: block;
    color: var(--success-color);
    font-size: 0.875em;
    margin-top: 0.25rem;
}

.invalid-feedback {
    display: block;
    color: var(--danger-color);
    font-size: 0.875em;
    margin-top: 0.25rem;
}

.form-control.is-valid + .valid-feedback,
.form-control.is-invalid + .invalid-feedback {
    display: block;
}

/* Enhanced Button States */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:active {
    transform: scale(0.98);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn:disabled::before {
    display: none;
}

/* Success Animation */
.success-checkmark {
    display: inline-block;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--success-color);
    position: relative;
    animation: checkmarkScale 0.3s ease-in-out;
}

.success-checkmark::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 6px;
    width: 8px;
    height: 4px;
    border: 2px solid white;
    border-top: none;
    border-right: none;
    transform: rotate(-45deg);
    animation: checkmarkDraw 0.3s ease-in-out 0.1s both;
}

/* Progress Indicators */
.progress-ring {
    width: 20px;
    height: 20px;
    display: inline-block;
}

.progress-ring circle {
    fill: none;
    stroke: var(--primary-color);
    stroke-width: 2;
    stroke-linecap: round;
    transform-origin: 50% 50%;
    animation: progressRotate 2s linear infinite;
}

/* Pulse Effect for Important Actions */
.pulse-effect {
    animation: pulse 2s infinite;
}

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

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

@keyframes checkmarkScale {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

@keyframes checkmarkDraw {
    0% { width: 0; height: 0; }
    50% { width: 8px; height: 0; }
    100% { width: 8px; height: 4px; }
}

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

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(13, 110, 253, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(13, 110, 253, 0); }
    100% { box-shadow: 0 0 0 0 rgba(13, 110, 253, 0); }
}

/* Dark Mode Toast Styles */
[data-bs-theme="dark"] .toast {
    background: rgba(33, 38, 45, 0.95);
    border-color: var(--border-color);
    color: var(--text-color);
}

[data-bs-theme="dark"] .toast-header {
    border-bottom-color: var(--border-color);
}

[data-bs-theme="dark"] .toast-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Responsive Toast */
@media (max-width: 768px) {
    .toast-container {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }
    
    .toast {
        margin-bottom: 8px;
    }
}

/* Small Mobile (576px and below) */
@media (max-width: 576px) {
    /* Container and Layout */
    .container {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
        max-width: 100%;
    }
    
    /* Navigation */
    .navbar {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .navbar-brand {
        font-size: 1.1rem;
        padding: var(--spacing-xs) 0;
    }
    
    .navbar-toggler {
        padding: var(--spacing-xs);
        font-size: 0.9rem;
    }
    
    .navbar-nav .nav-link {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-sm);
    }
    
    /* Cards */
    .card {
        margin-bottom: var(--spacing-sm);
        border-radius: var(--border-radius-sm);
    }
    
    .card-header {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
        font-weight: 600;
    }
    
    .card-body {
        padding: var(--spacing-sm);
    }
    
    .card-footer {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    /* Buttons */
    .btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-sm);
        border-radius: var(--border-radius-sm);
    }
    
    .btn-sm {
        padding: calc(var(--spacing-xs) * 0.75) var(--spacing-xs);
        font-size: var(--font-size-xs);
    }
    
    /* Forms */
    .form-control,
    .form-select {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-sm);
        border-radius: var(--border-radius-sm);
    }
    
    .form-label {
        font-size: var(--font-size-xs);
        margin-bottom: var(--spacing-xs);
    }
    
    .form-text {
        font-size: calc(var(--font-size-xs) * 0.9);
    }
    
    /* Tables */
    .table {
        font-size: var(--font-size-xs);
    }
    
    .table thead th {
        padding: calc(var(--spacing-xs) * 0.75) var(--spacing-xs);
        font-size: calc(var(--font-size-xs) * 0.9);
        font-weight: 600;
    }
    
    .table tbody td {
        padding: calc(var(--spacing-xs) * 0.75) var(--spacing-xs);
        font-size: calc(var(--font-size-xs) * 0.95);
    }
    
    .table-actions .btn {
        padding: calc(var(--spacing-xs) * 0.5) var(--spacing-xs);
        font-size: calc(var(--font-size-xs) * 0.9);
    }
    
    /* Modals */
    .modal-dialog {
        margin: var(--spacing-xs);
        max-width: calc(100vw - var(--spacing-sm));
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: var(--spacing-sm);
    }
    
    .modal-title {
        font-size: var(--font-size-base);
    }
    
    /* Typography */
    h1 { font-size: 1.5rem; line-height: 1.3; }
    h2 { font-size: 1.3rem; line-height: 1.3; }
    h3 { font-size: 1.15rem; line-height: 1.3; }
    h4 { font-size: 1rem; line-height: 1.3; }
    h5 { font-size: 0.9rem; line-height: 1.3; }
    h6 { font-size: 0.8rem; line-height: 1.3; }
    
    p, .lead {
        font-size: var(--font-size-sm);
        line-height: 1.4;
    }
    
    /* Alerts */
    .alert {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
        border-radius: var(--border-radius-sm);
    }
    
    .alert-heading {
        font-size: var(--font-size-sm);
    }
    
    /* Badges */
    .badge {
        padding: calc(var(--spacing-xs) * 0.5) var(--spacing-xs);
        font-size: calc(var(--font-size-xs) * 0.85);
    }
    
    /* Breadcrumbs */
    .breadcrumb {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
        margin-bottom: var(--spacing-sm);
    }
    
    /* Pagination */
    .pagination {
        justify-content: center;
    }
    
    .page-link {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    
    /* Footer */
    .footer {
        padding: var(--spacing-sm) 0;
        text-align: center;
    }
    
    .footer .col-md-6 {
        text-align: center !important;
        margin-bottom: var(--spacing-xs);
    }
    
    .footer p {
        font-size: var(--font-size-xs);
        margin-bottom: var(--spacing-xs);
    }
    
    /* Utilities */
    .text-truncate-mobile {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        max-width: 150px;
    }
    
    .d-mobile-none {
        display: none !important;
    }
    
    .d-mobile-block {
        display: block !important;
    }
    
    .d-mobile-flex {
        display: flex !important;
    }
    
    /* Touch-friendly improvements */
    .btn,
    .form-control,
    .form-select,
    .nav-link,
    .dropdown-item {
        min-height: 44px; /* Apple's recommended touch target size */
    }
    
    /* Improved tap targets */
    .table-actions .btn {
        min-height: 36px;
        min-width: 36px;
    }
}

/* Print Styles */
@media print {
    .navbar, .footer {
        display: none !important;
    }
    
    .container {
        max-width: none !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #dee2e6 !important;
    }
}

/* Mobile-First Utility Classes */

/* Touch-friendly interactions */
.touch-target {
    min-height: 44px;
    min-width: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.touch-target-small {
    min-height: 36px;
    min-width: 36px;
}

/* Mobile-specific display utilities */
@media (max-width: 576px) {
    .mobile-stack > * {
        width: 100% !important;
        margin-bottom: var(--spacing-xs);
    }
    
    .mobile-center {
        text-align: center !important;
    }
    
    .mobile-hide {
        display: none !important;
    }
    
    .mobile-show {
        display: block !important;
    }
    
    .mobile-flex {
        display: flex !important;
    }
    
    .mobile-grid {
        display: grid !important;
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 768px) {
    .tablet-hide {
        display: none !important;
    }
    
    .tablet-show {
        display: block !important;
    }
    
    .tablet-stack > * {
        width: 100% !important;
        margin-bottom: var(--spacing-sm);
    }
}

/* Improved scrolling for mobile */
.mobile-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}

.mobile-scroll::-webkit-scrollbar {
    height: 4px;
}

.mobile-scroll::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
}

.mobile-scroll::-webkit-scrollbar-thumb {
    background: var(--primary-300);
    border-radius: var(--border-radius-sm);
}

.mobile-scroll::-webkit-scrollbar-thumb:hover {
    background: var(--primary-500);
}

/* Mobile-optimized spacing */
@media (max-width: 576px) {
    .mobile-p-0 { padding: 0 !important; }
    .mobile-p-1 { padding: var(--spacing-xs) !important; }
    .mobile-p-2 { padding: var(--spacing-sm) !important; }
    .mobile-p-3 { padding: var(--spacing-md) !important; }
    
    .mobile-m-0 { margin: 0 !important; }
    .mobile-m-1 { margin: var(--spacing-xs) !important; }
    .mobile-m-2 { margin: var(--spacing-sm) !important; }
    .mobile-m-3 { margin: var(--spacing-md) !important; }
    
    .mobile-mb-0 { margin-bottom: 0 !important; }
    .mobile-mb-1 { margin-bottom: var(--spacing-xs) !important; }
    .mobile-mb-2 { margin-bottom: var(--spacing-sm) !important; }
    .mobile-mb-3 { margin-bottom: var(--spacing-md) !important; }
}

/* Mobile typography utilities */
@media (max-width: 576px) {
    .mobile-text-xs { font-size: var(--font-size-xs) !important; }
    .mobile-text-sm { font-size: var(--font-size-sm) !important; }
    .mobile-text-base { font-size: var(--font-size-base) !important; }
    .mobile-text-lg { font-size: var(--font-size-lg) !important; }
    
    .mobile-text-center { text-align: center !important; }
    .mobile-text-left { text-align: left !important; }
    .mobile-text-right { text-align: right !important; }
}

/* Mobile-optimized forms */
@media (max-width: 576px) {
    .mobile-form-stack .form-control,
    .mobile-form-stack .form-select,
    .mobile-form-stack .btn {
        width: 100%;
        margin-bottom: var(--spacing-xs);
        border-radius: var(--border-radius-md) !important;
    }
    
    .mobile-form-inline {
        flex-direction: column;
        align-items: stretch;
    }
    
    .mobile-form-inline .form-control,
    .mobile-form-inline .btn {
        margin-bottom: var(--spacing-xs);
    }
}

/* Mobile-optimized tables */
@media (max-width: 576px) {
    .mobile-table-card {
        display: block;
        border: none;
    }
    
    .mobile-table-card thead {
        display: none;
    }
    
    .mobile-table-card tbody,
    .mobile-table-card tr,
    .mobile-table-card td {
        display: block;
        width: 100%;
    }
    
    .mobile-table-card tr {
        border: 1px solid var(--border-color);
        border-radius: var(--border-radius-md);
        margin-bottom: var(--spacing-sm);
        padding: var(--spacing-sm);
        background-color: var(--card-bg);
    }
    
    .mobile-table-card td {
        border: none;
        padding: var(--spacing-xs) 0;
        position: relative;
        padding-left: 40%;
    }
    
    .mobile-table-card td:before {
        content: attr(data-label);
        position: absolute;
        left: 0;
        width: 35%;
        font-weight: 600;
        color: var(--text-secondary);
        font-size: var(--font-size-xs);
    }
}

/* Improved focus states for mobile */
@media (max-width: 768px) {
    .btn:focus,
    .form-control:focus,
    .form-select:focus {
        box-shadow: 0 0 0 3px var(--primary-200);
        outline: none;
    }
    
    .nav-link:focus {
        background-color: var(--primary-100);
        outline: 2px solid var(--primary-500);
        outline-offset: -2px;
    }
}

/* Dark Mode Support (for future implementation) */
@media (prefers-color-scheme: dark) {
    :root {
        --dark-color: #f8f9fa;
        --light-color: #212529;
    }
}