/* ===== CSS RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --primary-dark: #1A1A2E;
    --secondary-dark: #16213E;
    --tertiary-dark: #0F3460;
    --accent-color: #E94560;
    --white-color: #FFFFFF;
    
    /* Additional Colors */
    --light-gray: #F8F9FA;
    --medium-gray: #6C757D;
    --dark-gray: #343A40;
    --success-color: #28A745;
    --warning-color: #FFC107;
    --info-color: #17A2B8;
    --danger-color: #DC3545;
    
    /* Typography */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --line-height-base: 1.5;
    
    /* Spacing */
    --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: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15), 0 10px 10px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* Dark Theme Variables */
[data-theme="dark"] {
    --light-gray: #2C3E50;
    --white-color: #ECF0F1;
    --medium-gray: #BDC3C7;
    --dark-gray: #34495E;
}

/* ===== BASE STYLES ===== */
body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--dark-gray);
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white-color) 100%);
    min-height: 100vh;
    transition: var(--transition-normal);
}

[data-theme="dark"] body {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    color: var(--white-color);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.display-4 {
    font-weight: 700;
    font-size: 2.5rem;
}

.section-title {
    position: relative;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xl);
}

[data-theme="dark"] .section-title {
    color: var(--white-color);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--accent-color);
    border-radius: var(--border-radius-sm);
}

.text-accent {
    color: var(--accent-color) !important;
}

/* ===== HEADER & NAVIGATION ===== */
.header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white-color) !important;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.navbar-logo {
    filter: brightness(0) invert(1);
    transition: var(--transition-fast);
}

.navbar-brand:hover .navbar-logo {
    filter: brightness(0) invert(1) drop-shadow(0 0 5px rgba(255, 255, 255, 0.5));
}

.nav-link {
    font-weight: 500;
    color: var(--white-color) !important;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition-fast);
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 100%;
}

/* ===== BUTTONS ===== */
.btn {
    font-weight: 500;
    border-radius: var(--border-radius-md);
    transition: var(--transition-fast);
    border: none;
    position: relative;
    overflow: hidden;
}

.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: var(--transition-normal);
}

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

.btn-accent {
    background: linear-gradient(135deg, var(--accent-color) 0%, #FF6B8A 100%);
    color: var(--white-color);
    box-shadow: var(--shadow-sm);
}

.btn-accent:hover {
    background: linear-gradient(135deg, #FF6B8A 0%, var(--accent-color) 100%);
    color: var(--white-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-icon {
    filter: brightness(0) invert(1);
    transition: var(--transition-fast);
}

.btn-outline-primary .btn-icon {
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(346deg) brightness(104%) contrast(97%);
}

.btn:hover .btn-icon {
    transform: scale(1.1);
}

#theme-toggle {
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

#theme-toggle:hover {
    transform: rotate(180deg);
}

/* ===== HERO SECTION ===== */
.hero-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--tertiary-dark) 100%);
    color: var(--white-color);
    min-height: 60vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="%23ffffff08" points="0,1000 1000,0 1000,1000"/></svg>');
    background-size: cover;
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-logo-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: float 6s ease-in-out infinite;
}

.hero-logo {
    max-width: 100%;
    height: auto;
    filter: brightness(0) invert(1);
    transition: var(--transition-normal);
    z-index: 2;
    position: relative;
}

.hero-logo-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(233, 69, 96, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 1;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse {
    0%, 100% { 
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1);
    }
    50% { 
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

.hero-logo-container:hover .hero-logo {
    transform: scale(1.05);
    filter: brightness(0) invert(1) drop-shadow(0 0 20px rgba(255, 255, 255, 0.5));
}

.hero-logo-container:hover .hero-logo-glow {
    animation: pulse 1s ease-in-out infinite;
}

/* ===== CARDS ===== */
.card {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    background: var(--white-color);
}

[data-theme="dark"] .card {
    background: var(--secondary-dark);
    color: var(--white-color);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-card {
    background: linear-gradient(135deg, var(--white-color) 0%, var(--light-gray) 100%);
    border-left: 4px solid var(--accent-color);
}

[data-theme="dark"] .stat-card {
    background: linear-gradient(135deg, var(--tertiary-dark) 0%, var(--secondary-dark) 100%);
}

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

.stat-card h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: var(--spacing-sm);
}

.stat-icon {
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(346deg) brightness(104%) contrast(97%);
    transition: var(--transition-fast);
}

.stat-icon-warning {
    filter: brightness(0) saturate(100%) invert(83%) sepia(31%) saturate(638%) hue-rotate(359deg) brightness(103%) contrast(107%);
}

.stat-icon-success {
    filter: brightness(0) saturate(100%) invert(48%) sepia(79%) saturate(2476%) hue-rotate(86deg) brightness(118%) contrast(119%);
}

.stat-icon-info {
    filter: brightness(0) saturate(100%) invert(48%) sepia(79%) saturate(2476%) hue-rotate(180deg) brightness(118%) contrast(119%);
}

.stat-card:hover .stat-icon {
    transform: scale(1.1);
}

/* ===== FORMS ===== */
.form-control, .form-select {
    border: 2px solid #E9ECEF;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
    background: var(--white-color);
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background: var(--tertiary-dark);
    color: var(--white-color);
    border-color: var(--secondary-dark);
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 0.2rem rgba(233, 69, 96, 0.25);
    outline: none;
}

.form-label {
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-sm);
}

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

/* ===== MODALS ===== */
.modal-content {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    background: var(--white-color);
}

[data-theme="dark"] .modal-content {
    background: var(--secondary-dark);
    color: var(--white-color);
}

.modal-header {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    padding: var(--spacing-lg);
}

[data-theme="dark"] .modal-header {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.modal-title {
    font-weight: 700;
    color: var(--primary-dark);
}

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

/* ===== OFFCANVAS ===== */
.offcanvas {
    background: var(--white-color);
    border-left: 3px solid var(--accent-color);
}

[data-theme="dark"] .offcanvas {
    background: var(--secondary-dark);
    color: var(--white-color);
}

.offcanvas-title {
    font-weight: 700;
    color: var(--primary-dark);
}

[data-theme="dark"] .offcanvas-title {
    color: var(--white-color);
}

/* ===== OFFCANVAS CONTENT ===== */
.offcanvas-body {
    color: var(--dark-gray);
}

[data-theme="dark"] .offcanvas-body {
    color: var(--white-color);
}

.offcanvas-body .text-muted {
    color: var(--medium-gray) !important;
}

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

.offcanvas-body h6 {
    color: var(--primary-dark);
    font-weight: 600;
}

[data-theme="dark"] .offcanvas-body h6 {
    color: var(--white-color);
}

.offcanvas-body p {
    color: var(--white-color);
}

[data-theme="dark"] .offcanvas-body p {
    color: var(--light-gray);
}

.offcanvas-body small {
    color: var(--medium-gray);
}

[data-theme="dark"] .offcanvas-body small {
    color: var(--light-gray);
}

.offcanvas-body .text-success {
    color: var(--success-color) !important;
}

.offcanvas-body .text-primary {
    color: var(--accent-color) !important;
}

.history-item {
    background: var(--white-color);
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
}

[data-theme="dark"] .history-item {
    background: var(--tertiary-dark);
    border-color: rgba(255, 255, 255, 0.1) !important;
}

.history-empty-icon {
    filter: brightness(0) saturate(100%) invert(60%) sepia(0%) saturate(0%) hue-rotate(0deg) brightness(100%) contrast(100%);
    opacity: 0.5;
}

.history-type-icon {
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(346deg) brightness(104%) contrast(97%);
}

.history-status-icon {
    filter: brightness(0) saturate(100%) invert(48%) sepia(79%) saturate(2476%) hue-rotate(86deg) brightness(118%) contrast(119%);
}

/* ===== TABS ===== */
.nav-tabs {
    border-bottom: 2px solid #E9ECEF;
}

[data-theme="dark"] .nav-tabs {
    border-bottom-color: var(--tertiary-dark);
}

.nav-tabs .nav-link {
    color: var(--medium-gray);
    border: none;
    border-bottom: 2px solid transparent;
    background: transparent;
    font-weight: 500;
    transition: var(--transition-fast);
}

.nav-tabs .nav-link:hover {
    border-bottom-color: var(--accent-color);
    color: var(--accent-color);
}

.nav-tabs .nav-link.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
    background: transparent;
}

/* ===== TIPS ===== */
.tip-card {
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white-color) 100%);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    border-left: 4px solid var(--accent-color);
    transition: var(--transition-fast);
}

[data-theme="dark"] .tip-card {
    background: linear-gradient(135deg, var(--tertiary-dark) 0%, var(--secondary-dark) 100%);
}

.tip-card:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-sm);
}

.tip-card h6 {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-dark);
}

[data-theme="dark"] .tip-card h6 {
    color: var(--white-color);
}

.tip-card p {
    margin-bottom: 0;
    font-size: 0.9rem;
    color: var(--medium-gray);
}

[data-theme="dark"] .tip-card p {
    color: var(--light-gray);
}

.tip-icon {
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(346deg) brightness(104%) contrast(97%);
    transition: var(--transition-fast);
}

.tip-card:hover .tip-icon {
    transform: scale(1.1);
}

/* ===== MAINTENANCE LIST ===== */
.maintenance-list {
    display: grid;
    gap: var(--spacing-md);
}

.maintenance-item-card {
    background: var(--white-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border-left: 4px solid transparent;
}

[data-theme="dark"] .maintenance-item-card {
    background: var(--secondary-dark);
    color: var(--white-color);
}

.maintenance-item-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.maintenance-item-card.pending {
    border-left-color: var(--warning-color);
}

.maintenance-item-card.completed {
    border-left-color: var(--success-color);
}

.maintenance-item-card.overdue {
    border-left-color: var(--danger-color);
}

.maintenance-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.maintenance-type {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-dark);
}

[data-theme="dark"] .maintenance-type {
    color: var(--white-color);
}

.maintenance-vehicle {
    font-size: 0.9rem;
    color: var(--medium-gray);
}

.maintenance-description {
    margin-bottom: var(--spacing-md);
    color: var(--dark-gray);
}

[data-theme="dark"] .maintenance-description {
    color: var(--light-gray);
}

.maintenance-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.maintenance-detail {
    text-align: center;
    padding: var(--spacing-sm);
    background: var(--light-gray);
    border-radius: var(--border-radius-sm);
}

[data-theme="dark"] .maintenance-detail {
    background: var(--tertiary-dark);
}

.maintenance-detail-label {
    font-size: 0.8rem;
    color: var(--medium-gray);
    display: block;
}

.maintenance-detail-value {
    font-weight: 600;
    color: var(--primary-dark);
}

[data-theme="dark"] .maintenance-detail-value {
    color: var(--white-color);
}

.maintenance-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

.action-icon {
    filter: brightness(0) invert(1);
    transition: var(--transition-fast);
}

.btn-outline-primary .action-icon {
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(346deg) brightness(104%) contrast(97%);
}

.btn-outline-danger .action-icon {
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(346deg) brightness(104%) contrast(97%);
}

.btn:hover .action-icon {
    transform: scale(1.1);
}

/* ===== ALERTS ===== */
.alert {
    border: none;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid;
}

.alert-warning {
    background: linear-gradient(135deg, #FFF3CD 0%, #FFEAA7 100%);
    border-left-color: var(--warning-color);
    color: #856404;
}

.alert-danger {
    background: linear-gradient(135deg, #F8D7DA 0%, #FDCBCF 100%);
    border-left-color: var(--danger-color);
    color: #721C24;
}

.alert-info {
    background: linear-gradient(135deg, #D1ECF1 0%, #BEE5EB 100%);
    border-left-color: var(--info-color);
    color: #0C5460;
}

/* ===== BADGES ===== */
.badge {
    font-weight: 500;
    padding: 0.5em 0.75em;
    border-radius: var(--border-radius-xl);
}

/* ===== ACCORDION ===== */
.accordion-item {
    border: none;
    margin-bottom: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.accordion-button {
    background: var(--white-color);
    color: var(--primary-dark);
    font-weight: 600;
    border: none;
    padding: var(--spacing-lg);
}

[data-theme="dark"] .accordion-button {
    background: var(--secondary-dark);
    color: var(--white-color);
}

.accordion-button:not(.collapsed) {
    background: var(--accent-color);
    color: var(--white-color);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.25rem rgba(233, 69, 96, 0.25);
}

.accordion-body {
    background: var(--light-gray);
    color: var(--dark-gray);
    padding: var(--spacing-lg);
}

[data-theme="dark"] .accordion-body {
    background: var(--tertiary-dark);
    color: var(--white-color);
}

/* ===== FOOTER ===== */
.footer {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    color: var(--white-color);
    margin-top: auto;
}

.footer a {
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer a:hover {
    color: #FF6B8A;
    text-decoration: underline;
}

/* ===== CHARTS ===== */
canvas {
    max-width: 100%;
    height: auto;
}



/* ===== ANIMATIONS ===== */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.animate-slide-up {
    animation: slideInUp 0.6s ease-out;
}

.animate-fade-in {
    animation: fadeIn 0.8s ease-out;
}

/* ===== LOADING STATES ===== */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--white-color);
    animation: spin 1s ease-in-out infinite;
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .display-4 {
        font-size: 2rem;
    }
    
    .hero-section {
        min-height: 50vh;
        padding: var(--spacing-xl) 0;
    }
    
    .hero-logo {
        width: 300px;
        height: 300px;
    }
    
    .hero-logo-glow {
        width: 110%;
        height: 110%;
    }
    
    .maintenance-details {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .maintenance-actions {
        justify-content: center;
    }
    
    .stat-card .card-body {
        padding: var(--spacing-md);
    }
    
    .stat-card h3 {
        font-size: 1.5rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .modal-dialog {
        margin: var(--spacing-md);
    }
    
    .offcanvas {
        width: 90vw;
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
    
    .hero-section .lead {
        font-size: 1rem;
    }
    
    .hero-logo {
        width: 250px;
        height: 250px;
    }
    
    .d-flex.gap-3 {
        flex-direction: column;
    }
    
    .btn-lg {
        width: 100%;
    }
    
    .maintenance-details {
        grid-template-columns: 1fr;
    }
    
    .nav-tabs .nav-link {
        font-size: 0.9rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .accordion-button,
    .accordion-body {
        padding: var(--spacing-md);
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .header,
    .footer,
    .btn,
    .modal,
    .offcanvas {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
    }
}

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

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

/* Focus styles for better accessibility */
button:focus,
.btn:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .card {
        border: 2px solid var(--dark-gray);
    }
    
    .btn {
        border: 2px solid currentColor;
    }
}