/**
 * Sternridez - Clean White Theme
 * Kenyan Automotive Marketplace
 * Drive Your Dream
 */

/* ===== CSS Variables ===== */
:root {
    --color-primary: #1a1a1a;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-gray: #888888;
    --color-border: #e0e0e0;
    --color-bg: #ffffff;
    --color-bg-light: #f8f9fa;
    --color-bg-alt: #f0f2f5;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    
    --transition: all 0.25s ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.text-center { text-align: center; }
.text-uppercase { text-transform: uppercase; letter-spacing: 1px; }
.text-small { font-size: 0.875rem; }
.text-large { font-size: 1.125rem; }

/* ===== Layout ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xxl) 0;
}

.section-sm {
    padding: var(--spacing-xl) 0;
}

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.flex {
    display: flex;
}

.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* ===== Header ===== */
.header {
    background-color: var(--color-bg);
    color: var(--color-primary);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 42px;
    width: auto;
}

.nav-desktop {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    margin-left: 1rem;
}

.nav {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav li {
    list-style: none;
    margin: 0;
    padding: 0;
    white-space: nowrap;
}

.nav a {
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-primary);
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}

.nav a:hover {
    color: var(--color-text-light);
}

.nav a.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* Dropdown */
.nav .has-dropdown {
    position: relative;
}

.nav .has-dropdown > a::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 0.35rem;
    vertical-align: middle;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
}

.nav .dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 50%;
    transform: translateX(-50%) translateY(0);
    background: var(--color-primary);
    border-radius: var(--radius-md);
    padding: 0.5rem 0;
    min-width: 180px;
    list-style: none;
    margin: 0;
    box-shadow: var(--shadow-lg);
    z-index: 100;
}

.nav .dropdown::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid var(--color-primary);
}

.nav .has-dropdown:hover .dropdown,
.nav .has-dropdown:focus-within .dropdown {
    display: block;
}

.nav .dropdown li {
    margin: 0;
    padding: 0;
}

.nav .dropdown a {
    display: block;
    padding: 0.6rem 1.25rem;
    color: rgba(255,255,255,0.85);
    font-size: 0.8rem;
    text-transform: none;
    letter-spacing: 0;
    border-bottom: none;
    white-space: nowrap;
}

.nav .dropdown a:hover {
    color: #fff;
    background: rgba(255,255,255,0.1);
}

.nav .dropdown a.active {
    color: #fff;
    border-bottom: none;
    background: rgba(255,255,255,0.15);
}

/* ===== Hero Section ===== */
.hero {
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg-alt) 100%);
    color: var(--color-primary);
    padding: var(--spacing-xxl) 0;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.hero p {
    font-size: 1.25rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

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

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

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

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

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

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

.btn-full {
    width: 100%;
}

/* ===== Cards ===== */
.card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

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

.card-image {
    aspect-ratio: 16/10;
    background-color: var(--color-bg-light);
    position: relative;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-badge {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    background-color: var(--color-primary);
    color: var(--color-bg);
    padding: 0.35rem 0.75rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
}

.card-badge.premium {
    background-color: #c9a227;
    color: var(--color-primary);
}

.card-badge.imported {
    background-color: var(--color-text-light);
}

.card-content {
    padding: var(--spacing-md);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
}

.card-meta {
    display: flex;
    gap: var(--spacing-sm);
    color: var(--color-gray);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.card-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

/* ===== Services Section ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.service-card {
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition);
    background-color: var(--color-bg);
}

.service-card:hover {
    border-color: var(--color-primary);
    background-color: var(--color-bg-light);
}

.service-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    background-color: var(--color-bg-light);
    color: var(--color-primary);
    border: 2px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.service-photo {
    width: 100%;
    height: 160px;
    margin: 0 auto var(--spacing-md);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg-light);
}

.service-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.service-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.service-card p {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* ===== Forms ===== */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-bg);
    color: var(--color-text);
    transition: var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 26, 26, 0.08);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

/* ===== Filters ===== */
.filters {
    background-color: var(--color-bg-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--color-border);
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-sm);
    align-items: end;
}

/* ===== Stats Section ===== */
.stats {
    background-color: var(--color-bg-light);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-xl) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    text-align: center;
}

.stat-number {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-text-light);
    font-weight: 500;
}

/* ===== Import Regions ===== */
.regions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.region-card {
    position: relative;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg-alt) 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: var(--transition);
}

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

.region-card h3 {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.region-card p {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

/* ===== Footer ===== */
.footer {
    background-color: var(--color-bg-light);
    border-top: 1px solid var(--color-border);
    color: var(--color-text);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand p {
    color: var(--color-text-light);
    margin-top: var(--spacing-sm);
}

.footer-title {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--color-gray);
    font-size: 0.875rem;
}

/* ===== Flash Messages ===== */
.flash {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
}

.flash-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.flash-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* ===== Vehicle Detail ===== */
.vehicle-detail {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-xl);
}

.vehicle-gallery {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    aspect-ratio: 4/3;
    overflow: hidden;
}

.vehicle-info h1 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xs);
}

.vehicle-price {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.vehicle-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    background-color: var(--color-bg-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

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

.spec-label {
    color: var(--color-gray);
    font-size: 0.9rem;
}

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

/* ===== Admin Panel ===== */
.admin-sidebar {
    background-color: var(--color-bg-light);
    border-right: 1px solid var(--color-border);
    min-height: 100vh;
    padding: var(--spacing-lg);
}

.admin-nav {
    list-style: none;
    margin-top: var(--spacing-lg);
}

.admin-nav li {
    margin-bottom: var(--spacing-xs);
}

.admin-nav a {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    color: var(--color-text);
}

.admin-nav a:hover,
.admin-nav a.active {
    background-color: var(--color-primary);
    color: var(--color-bg);
}

.admin-content {
    padding: var(--spacing-lg);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: var(--spacing-sm);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.table th {
    font-weight: 600;
    color: var(--color-primary);
    background-color: var(--color-bg-light);
}

.table tr:hover {
    background-color: var(--color-bg-light);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

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

.badge-seller {
    background-color: #e3f2fd;
    color: #1976d2;
}

.badge-buyer {
    background-color: #f3e5f5;
    color: #7b1fa2;
}

/* ===== Mobile Navigation ===== */
.mobile-menu-toggle {
    display: none;
    visibility: hidden;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    background: transparent;
    border: none !important;
    outline: none !important;
    border-radius: 8px;
    cursor: pointer;
    padding: 0;
    margin: -8px;
    z-index: 1001;
    -webkit-tap-highlight-color: rgba(0,0,0,0.1);
    touch-action: manipulation;
    transition: background-color 0.2s;
    pointer-events: none;
    position: relative;
    appearance: none;
    -webkit-appearance: none;
}

.mobile-menu-toggle:active {
    background-color: rgba(0,0,0,0.1);
}

.mobile-menu-toggle:focus {
    outline: 2px solid var(--color-primary) !important;
    outline-offset: 2px;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
    margin: 2.5px 0;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1001;
    opacity: 0;
    transition: opacity 0.3s ease;
    visibility: hidden;
}

.mobile-nav-overlay.active {
    display: block;
    opacity: 1;
    visibility: visible;
}

.mobile-nav {
    display: block;
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    height: 100dvh;
    background: var(--color-bg);
    z-index: 1002;
    transition: right 0.3s ease, visibility 0.3s ease;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
    overflow-y: auto;
    visibility: hidden;
    pointer-events: none;
    -webkit-overflow-scrolling: touch;
}

.mobile-nav.active {
    right: 0;
    visibility: visible;
    pointer-events: auto;
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-light);
}

.mobile-nav-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-primary);
}

.mobile-nav-close {
    background: none;
    border: none !important;
    outline: none !important;
    font-size: 2rem;
    color: var(--color-text);
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    appearance: none;
    -webkit-appearance: none;
}

.mobile-nav-list {
    list-style: none;
    padding: var(--spacing-sm) 0;
}

.mobile-nav-list li {
    border-bottom: 1px solid var(--color-border);
}

.mobile-nav-list li.mobile-nav-divider {
    border-bottom: 2px solid var(--color-border);
    margin: var(--spacing-sm) 0;
}

.mobile-nav-list a {
    display: block;
    padding: var(--spacing-md);
    color: var(--color-text);
    font-weight: 500;
    transition: all 0.2s ease;
}

.mobile-nav-list a:hover,
.mobile-nav-list a.active {
    background: var(--color-bg-light);
    color: var(--color-primary);
    padding-left: calc(var(--spacing-md) + 4px);
}

.mobile-dropdown-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--spacing-md);
    background: none;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    border-bottom: 1px solid var(--color-border);
}

.mobile-dropdown-toggle:hover {
    background: var(--color-bg-light);
    color: var(--color-primary);
}

.mobile-dropdown-arrow {
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid currentColor;
    transition: transform 0.2s ease;
}

.mobile-dropdown-toggle[aria-expanded="true"] .mobile-dropdown-arrow {
    transform: rotate(180deg);
}

.mobile-dropdown {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    background: var(--color-bg-light);
}

.mobile-dropdown.active {
    max-height: 500px;
}

.mobile-dropdown li {
    border-bottom: 1px solid var(--color-border);
}

.mobile-dropdown a {
    padding-left: calc(var(--spacing-md) + 1rem);
    font-size: 0.95rem;
    color: var(--color-text-light);
}

.mobile-dropdown a:hover,
.mobile-dropdown a.active {
    padding-left: calc(var(--spacing-md) + 1.25rem);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .services-grid,
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .regions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .nav-seller-link {
        margin-left: 0 !important;
    }
    
    .nav {
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    /* Hide desktop nav, show mobile toggle */
    .nav-desktop {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex !important;
        visibility: visible !important;
        pointer-events: auto !important;
        margin-left: auto;
    }
    
    .services-grid,
    .stats-grid,
    .regions-grid,
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .filters-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .vehicle-detail {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    /* Header adjustments for mobile */
    .header .container {
        padding: 0 var(--spacing-sm);
    }
    
    .logo img {
        height: 40px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .hero h1 {
        font-size: 1.5rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.8rem;
    }
}

/* ===== Responsive Tables ===== */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.table-responsive table {
    min-width: 600px;
    width: 100%;
    margin-bottom: 0;
}

/* Admin specific mobile improvements */
@media (max-width: 768px) {
    .admin-main .table-responsive {
        margin: 0 -1rem;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
    
    .admin-main .filters {
        padding: 1rem;
    }
    
    .admin-main .btn {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
    
    /* Status badges smaller on mobile */
    .badge {
        padding: 0.2rem 0.5rem;
        font-size: 0.7rem;
    }
}