/* Modern Car-Themed Vehicle Marketplace Styles */
:root {
    --primary-color: #1e3a8a;
    --secondary-color: #3b82f6;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --dark-color: #1f2937;
    --light-color: #f8fafc;
    --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;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --transition: all 0.3s ease;
}

* {
    box-sizing: border-box;
}

body { 
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; 
    margin: 0; 
    padding: 0; 
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--gray-800); 
    line-height: 1.6;
    min-height: 100vh;
}

/* Container */
.container { 
    max-width: 1200px; 
    margin: 0 auto; 
    padding: 0 20px; 
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 3px solid var(--primary-color);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.header h1 {
    margin: 0;
    color: var(--primary-color);
    font-size: 28px;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 10px;
}

.header h1 a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.header h1 a:hover {
    color: var(--secondary-color);
}

.header h1 i {
    color: var(--accent-color);
    font-size: 32px;
}

.header p {
    margin: 0;
    color: var(--gray-600);
    font-weight: 500;
}

/* Cards */
.card { 
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

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

/* Buttons */
.btn { 
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    text-decoration: none; 
    color: var(--white);
    background: var(--primary-color);
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

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

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

.btn-primary:hover {
    background: var(--secondary-color);
}

.btn-secondary {
    background: var(--gray-600);
}

.btn-secondary:hover {
    background: var(--gray-700);
}

.btn-whatsapp {
    background: var(--success-color);
}

.btn-whatsapp:hover {
    background: #059669;
    color: var(--white);
}

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 700;
}

/* Vehicle Cards */
.vehicle-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

.vehicle-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.vehicle-image {
    position: relative;
    height: 240px;
    overflow: hidden;
}

.vehicle-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.vehicle-card:hover .vehicle-image img {
    transform: scale(1.05);
}

.vehicle-price {
    position: absolute;
    top: 16px;
    right: 16px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 16px;
    box-shadow: var(--shadow);
}

.vehicle-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

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

.vehicle-badge.used {
    background: var(--warning-color);
    color: var(--white);
}

.vehicle-info {
    padding: 24px;
}

.vehicle-info h3 {
    margin: 0 0 12px 0;
    color: var(--gray-800);
    font-size: 20px;
    font-weight: 700;
    line-height: 1.3;
}

.vehicle-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.spec {
    background: var(--gray-100);
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 12px;
    color: var(--gray-600);
    font-weight: 500;
    border: 1px solid var(--gray-200);
}

.vehicle-actions {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.vehicle-actions .btn {
    flex: 1;
    justify-content: center;
}

/* Vehicle Detail */
.vehicle-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 32px;
}

.vehicle-gallery {
    background: var(--white);
    padding: 24px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.main-image {
    width: 100%;
    height: 400px;
    margin-bottom: 20px;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.image-thumbnails {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 8px;
}

.thumbnail {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--border-radius);
    cursor: pointer;
    opacity: 0.7;
    transition: var(--transition);
    border: 2px solid transparent;
}

.thumbnail:hover,
.thumbnail.active {
    opacity: 1;
    border-color: var(--primary-color);
}

.no-image {
    text-align: center;
    padding: 60px;
    color: var(--gray-500);
    background: var(--gray-100);
    border-radius: var(--border-radius);
}

.vehicle-info {
    background: var(--white);
    padding: 32px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.vehicle-header h1 {
    margin: 0 0 16px 0;
    color: var(--gray-800);
    font-size: 28px;
    font-weight: 800;
    line-height: 1.2;
}

.vehicle-status {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.badge {
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

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

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

.badge.status {
    background: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.specs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 24px 0;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-200);
}

.spec-label {
    font-weight: 600;
    color: var(--gray-600);
}

.spec-value {
    color: var(--gray-800);
    font-weight: 500;
}

.seller-info {
    background: var(--gray-100);
    padding: 20px;
    border-radius: var(--border-radius);
    margin: 24px 0;
    border-left: 4px solid var(--primary-color);
}

.seller-info h3 {
    margin: 0 0 16px 0;
    color: var(--gray-800);
}

.seller-details p {
    margin: 8px 0;
    color: var(--gray-600);
}

/* Search Section */
.search-section {
    background: var(--white);
    padding: 32px;
    border-radius: var(--border-radius-lg);
    margin-bottom: 32px;
    box-shadow: var(--shadow);
}

.search-section h2 {
    margin: 0 0 24px 0;
    color: var(--gray-800);
    font-size: 24px;
    font-weight: 700;
}

.search-filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.search-filters input,
.search-filters select {
    padding: 12px 16px;
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: var(--transition);
    background: var(--white);
}

.search-filters input:focus,
.search-filters select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

/* Forms */
.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--gray-700);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-weight: 500;
}

.checkbox-label input[type="checkbox"] {
    width: auto !important;
    margin: 0;
}

/* Checkout */
.checkout-container {
    max-width: 800px;
    margin: 0 auto;
}

.checkout-form {
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.vehicle-summary {
    background: linear-gradient(135deg, var(--gray-50), var(--gray-100));
    padding: 24px;
    border-radius: var(--border-radius);
    margin-bottom: 32px;
    border-left: 4px solid var(--primary-color);
}

.vehicle-summary h3 {
    margin: 0 0 16px 0;
    color: var(--gray-800);
    font-size: 20px;
    font-weight: 700;
}

.vehicle-summary .vehicle-price {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary-color);
    position: static;
    background: none;
    padding: 0;
}

.total-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 24px;
    border-radius: var(--border-radius);
    margin: 24px 0;
    text-align: center;
}

.total-section h3 {
    margin: 0;
    font-size: 24px;
    font-weight: 800;
}

/* Payment Options */
.payment-options {
    margin: 32px 0;
    padding: 24px;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    background: var(--gray-50);
}

.payment-options h3 {
    margin: 0 0 24px 0;
    color: var(--gray-800);
    font-size: 20px;
    font-weight: 700;
}

.payment-option {
    margin-bottom: 16px;
}

.payment-option-label {
    display: block;
    cursor: pointer;
    padding: 20px;
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius);
    background: var(--white);
    transition: var(--transition);
}

.payment-option-label:hover {
    border-color: var(--primary-color);
    background: var(--gray-50);
}

.payment-option-label input[type="radio"] {
    margin-right: 16px;
    transform: scale(1.2);
}

.option-content h4 {
    margin: 0 0 8px 0;
    color: var(--gray-800);
    font-weight: 600;
}

.option-content p {
    margin: 0 0 8px 0;
    color: var(--gray-600);
    font-size: 14px;
}

.option-content small {
    color: var(--gray-500);
    font-size: 12px;
}

/* Footer */
.footer {
    background: var(--gray-800);
    color: var(--gray-300);
    padding: 40px 0;
    margin-top: 60px;
    text-align: center;
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Status and Alert Messages */
.success-message, .error-message, .warning-message, .info-message {
    padding: 16px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.success-message {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.error-message {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.warning-message {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

.info-message {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #93c5fd;
}

/* Loading States */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--gray-500);
}

.spinner {
    border: 3px solid var(--gray-200);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .header .container {
        flex-direction: column;
        gap: 16px;
        padding: 16px;
    }
    
    .header h1 {
        font-size: 24px;
    }
    
    .vehicle-detail {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .search-filters {
        grid-template-columns: 1fr;
    }
    
    .vehicle-specs {
        flex-direction: column;
        gap: 6px;
    }
    
    .vehicle-actions {
        flex-direction: column;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
    }
    
    .footer .container {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .checkout-form {
        padding: 24px;
    }
    
    .vehicle-info {
        padding: 24px;
    }
    
    .vehicle-header h1 {
        font-size: 24px;
    }
    
    .main-image {
        height: 300px;
    }
}

@media (max-width: 480px) {
    .vehicle-card {
        margin-bottom: 16px;
    }
    
    .vehicle-image {
        height: 200px;
    }
    
    .vehicle-info {
        padding: 16px;
    }
    
    .vehicle-info h3 {
        font-size: 18px;
    }
    
    .checkout-form {
        padding: 20px;
    }
    
    .search-section {
        padding: 20px;
    }
    
    .vehicle-gallery {
        padding: 16px;
    }
}

/* Print Styles */
@media print {
    .header, .footer, .btn, .vehicle-actions {
        display: none !important;
    }
    
    body {
        background: white;
    }
    
    .vehicle-detail {
        grid-template-columns: 1fr;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid var(--gray-300);
    }
}

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

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

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --gray-100: #ffffff;
        --gray-200: #f0f0f0;
        --gray-300: #d0d0d0;
        --gray-400: #a0a0a0;
        --gray-500: #808080;
        --gray-600: #606060;
        --gray-700: #404040;
        --gray-800: #202020;
        --gray-900: #000000;
    }
}