/* ================================================
   AUTOPAL BMW-INSPIRED DEALER THEME
   Clean, Professional, Lease-Focused Design
   ================================================ */

/* ==================== ROOT VARIABLES ==================== */
:root {
    /* BMW-Inspired Colors */
    --bmw-white: #ffffff;
    --bmw-off-white: #f8f9fa;
    --bmw-light-gray: #e9ecef;
    --bmw-gray: #6c757d;
    --bmw-dark-gray: #343a40;
    --bmw-black: #000000;
    --bmw-blue: #1c69d4;
    --bmw-blue-dark: #0d47a1;
    --bmw-blue-light: #e3f2fd;

    /* Semantic Colors */
    --color-primary: var(--bmw-blue);
    --color-primary-dark: var(--bmw-blue-dark);
    --color-primary-light: var(--bmw-blue-light);
    --color-text: #212529;
    --color-text-light: #6c757d;
    --color-border: #dee2e6;
    --color-hover: #f8f9fa;
    --color-success: #28a745;
    --color-warning: #ffc107;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-base: 16px;
    --font-size-small: 14px;
    --font-size-large: 18px;
    --line-height: 1.6;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Layout */
    --container-max-width: 1400px;
    --border-radius: 4px;
    --border-radius-lg: 8px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);

    /* Transitions */
    --transition: all 0.3s ease;
}

/* ==================== NAVIGATION WITH DROPDOWNS ==================== */
.bmw-nav {
    background: var(--bmw-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.bmw-nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.bmw-nav-logo img {
    height: 40px;
    width: auto;
}

.bmw-nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
    margin: 0;
    padding: 0;
}

.bmw-nav-item {
    position: relative;
}

.bmw-nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    padding: var(--spacing-sm) 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.bmw-nav-link:hover {
    color: var(--color-primary);
}

.bmw-nav-link i {
    font-size: 12px;
}

/* Dropdown Menu */
.bmw-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bmw-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    margin-top: 0.5rem;
    z-index: 100;
}

.bmw-nav-item:hover .bmw-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.bmw-dropdown-item {
    display: block;
    padding: 0.75rem 1.25rem;
    color: var(--color-text);
    text-decoration: none;
    transition: var(--transition);
    font-size: 14px;
}

.bmw-dropdown-item:hover {
    background: var(--color-hover);
    color: var(--color-primary);
}

.bmw-dropdown-divider {
    height: 1px;
    background: var(--color-border);
    margin: 0.5rem 0;
}

/* Action Buttons */
.bmw-nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.bmw-btn {
    padding: 0.625rem 1.5rem;
    border-radius: 25px;
    font-weight: 500;
    font-size: 14px;
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
    cursor: pointer;
    border: none;
}

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

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

.bmw-btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

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

/* ==================== FILTER SIDEBAR ==================== */
.bmw-filters-sidebar {
    width: 280px;
    background: var(--bmw-white);
    border-right: 1px solid var(--color-border);
    padding: var(--spacing-lg);
    height: calc(100vh - 70px);
    position: sticky;
    top: 70px;
    overflow-y: auto;
}

.filter-section {
    margin-bottom: var(--spacing-lg);
}

.filter-section h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.filter-option {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-option input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.filter-option label {
    cursor: pointer;
    font-size: 14px;
    color: var(--color-text-light);
    flex: 1;
}

.filter-count {
    font-size: 12px;
    color: var(--bmw-gray);
}

/* Price Range Slider */
.price-range-slider {
    padding: var(--spacing-sm) 0;
}

.price-range-slider input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--color-border);
    outline: none;
    -webkit-appearance: none;
}

.price-range-slider input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
}

.price-range-values {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    font-size: 14px;
    color: var(--color-text-light);
}

/* ==================== VEHICLE GRID ==================== */
.bmw-vehicle-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
}

.bmw-vehicle-card {
    background: var(--bmw-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

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

.bmw-vehicle-image {
    width: 100%;
    height: 240px;
    object-fit: cover;
    background: var(--bmw-off-white);
}

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

.bmw-vehicle-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.bmw-vehicle-subtitle {
    font-size: 14px;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.bmw-vehicle-price {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.bmw-vehicle-price-label {
    font-size: 12px;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.bmw-vehicle-specs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.bmw-spec-badge {
    padding: 0.25rem 0.75rem;
    background: var(--color-hover);
    border-radius: 15px;
    font-size: 12px;
    color: var(--color-text-light);
}

/* ==================== VEHICLE DETAIL PAGE ==================== */
.bmw-detail-hero {
    background: var(--bmw-white);
    padding: var(--spacing-xl) 0;
}

.bmw-detail-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.bmw-detail-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
}

/* Image Gallery */
.bmw-image-gallery {
    background: var(--bmw-off-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.bmw-main-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.bmw-image-thumbnails {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    overflow-x: auto;
}

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

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

/* Pricing Card */
.bmw-pricing-card {
    background: var(--bmw-white);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    position: sticky;
    top: 90px;
}

.bmw-price-main {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.bmw-price-label {
    font-size: 14px;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.bmw-price-details {
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.bmw-price-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    font-size: 14px;
}

.bmw-price-row-label {
    color: var(--color-text-light);
}

.bmw-price-row-value {
    font-weight: 600;
    color: var(--color-text);
}

.bmw-cta-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.bmw-cta-buttons .bmw-btn {
    width: 100%;
    text-align: center;
}

/* Specs Grid */
.bmw-specs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.bmw-spec-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.bmw-spec-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.bmw-spec-content h4 {
    font-size: 14px;
    color: var(--color-text-light);
    margin-bottom: 0.25rem;
}

.bmw-spec-content p {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
}

/* Features List */
.bmw-features-list {
    list-style: none;
    padding: 0;
    margin-top: var(--spacing-lg);
}

.bmw-features-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.bmw-features-list li:before {
    content: "✓";
    color: var(--color-success);
    font-weight: bold;
}

/* ==================== UTILITIES ==================== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.text-center {
    text-align: center;
}

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .bmw-detail-grid {
        grid-template-columns: 1fr;
    }

    .bmw-pricing-card {
        position: static;
    }

    .bmw-filters-sidebar {
        position: static;
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }
}

@media (max-width: 768px) {
    .bmw-nav-menu {
        display: none;
    }

    .bmw-vehicle-grid {
        grid-template-columns: 1fr;
    }

    .bmw-specs-grid {
        grid-template-columns: 1fr;
    }
}