.active-thumbnail {
    border: 3px solid var(--brand-accent, #0d6efd) !important;
    box-shadow: 0 0 0 1px var(--brand-surface, #fff), 0 0 0 3px var(--brand-accent, #0d6efd);
}

.thumbnail-img {
    transition: all 0.2s ease;
}

.thumbnail-img:hover {
    transform: scale(1.05);
}

.smooth-collapse {
    transition: height 0.5s ease !important;
  }

  .smooth-collapse.collapsing {
    overflow: hidden;
    transition: height 0.5s ease !important;
  }

  .smooth-collapse.collapse.show {
    transition: height 0.5s ease !important;
  }

  .stock-flag {
    position: absolute;
    top: 0;
    left: 0;
    transform: translateX(-1px);
    z-index: 1;
}

.stock-flag span {
    display: inline-block;
    background-color: var(--brand-primary, #000);
    color: var(--brand-text-inverse, #fff);
    padding: 5px 15px;
    position: relative;
    font-size: 0.85rem;
}

.stock-flag span:after {
    content: "";
    position: absolute;
    right: -10px;
    top: 0;
    border-top: 14px solid var(--brand-primary, #000);
    border-right: 10px solid transparent;
    border-bottom: 14px solid var(--brand-primary, #000);
}

.stock-flag:before {
    content: "";
    position: absolute;
    left: 0;
    bottom: -10px;
    border-left: 10px solid transparent;
    border-top: 10px solid var(--brand-primary, #000);
    filter: brightness(0.6);
}

@media (min-width: 992px) {
    .sticky-top-lg {
        position: sticky;
        top: 20px;
        z-index: 1020;
    }
}

@media (max-width: 991.98px) {
    .sticky-top-lg {
        position: static;
    }
}

/* ==========================================================================
   Vehicle Detail Container
   ========================================================================== */
.vehicle-detail-container {
    background-color: var(--brand-bg-alt, #f8f9fa);
}

.vehicle-detail-container,
.vehicle-detail-container .row,
.vehicle-detail-container .col-lg-4 {
    overflow: visible !important;
}

.vehicle-detail-container .col-lg-4 {
    position: relative;
    z-index: 100;
}

/* ==========================================================================
   Vehicle Info Summary (Sidebar)
   ========================================================================== */
.vehicle-info-summary {
    background: var(--brand-surface, #fff);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-md, 0 4px 20px rgba(0,0,0,0.08));
    position: sticky !important;
    top: 100px !important;
    z-index: 100;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
}

.vehicle-info-summary::-webkit-scrollbar {
    width: 4px;
}

.vehicle-info-summary::-webkit-scrollbar-track {
    background: var(--brand-bg-alt, #f1f1f1);
    border-radius: 2px;
}

.vehicle-info-summary::-webkit-scrollbar-thumb {
    background: var(--brand-border-strong, #ccc);
    border-radius: 2px;
}

.vehicle-info-summary::-webkit-scrollbar-thumb:hover {
    background: var(--brand-text-muted, #999);
}

/* ==========================================================================
   Main Vehicle Image
   ========================================================================== */
.main-vehicle-image {
    border-radius: 12px;
    transition: transform 0.3s ease;
}

/* ==========================================================================
   Thumbnail Images (Detail Page)
   ========================================================================== */
.thumbnail-container {
    padding: 8px 0;
}

.thumbnail-image {
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 8px;
    border: 2px solid transparent;
}

.thumbnail-image:hover {
    transform: scale(1.05);
    border-color: var(--brand-accent, #0d6efd) !important;
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.thumbnail-image.active {
    border-color: var(--brand-accent, #0d6efd) !important;
    box-shadow: 0 0 0 2px rgba(0,0,0,0.1);
}

/* ==========================================================================
   Image Navigation Buttons
   ========================================================================== */
.image-nav-btn {
    opacity: 0.8;
    transition: opacity 0.2s ease;
}

.image-nav-btn:hover {
    opacity: 1;
}

/* ==========================================================================
   Vehicle Details Tabs
   ========================================================================== */
.vehicle-details-tabs .nav-link {
    background-color: transparent;
    color: var(--brand-accent, #0d6efd);
    border: none;
    font-weight: 500;
    transition: all 0.2s ease;
    position: relative;
    padding-bottom: 0.75rem;
}

.vehicle-details-tabs .nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: var(--brand-accent, #0d6efd);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

.vehicle-details-tabs .nav-link.active {
    background-color: transparent !important;
    color: var(--brand-accent, #0d6efd) !important;
    font-weight: 600;
}

.vehicle-details-tabs .nav-link.active::after {
    width: 100%;
}

.vehicle-details-tabs .nav-link.active:focus,
.vehicle-details-tabs .nav-link.active:hover {
    background-color: transparent !important;
    color: var(--brand-accent, #0d6efd) !important;
}

.vehicle-details-tabs .nav-link:hover {
    background-color: transparent !important;
    color: var(--brand-accent, #0d6efd) !important;
    opacity: 0.8;
}

/* Bootstrap nav-tabs override for vehicle details */
.vehicle-details-tabs .nav-tabs .nav-link.active,
.vehicle-details-tabs .nav-tabs .nav-item.show .nav-link {
    background-color: transparent !important;
    color: var(--brand-accent, #0d6efd) !important;
    border-color: transparent !important;
}

.vehicle-details-tabs .nav-link[aria-selected="true"] {
    background-color: transparent !important;
    color: var(--brand-accent, #0d6efd) !important;
}

/* ==========================================================================
   Performance Stats
   ========================================================================== */
.performance-stat {
    transition: transform 0.2s ease;
}

.performance-stat:hover {
    transform: translateY(-2px);
}

/* ==========================================================================
   Spec Items
   ========================================================================== */
.spec-item {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--brand-border, #e5e7eb);
}

.spec-item:last-child {
    border-bottom: none;
}

.spec-item svg {
    vertical-align: middle;
    margin-top: -1px;
}

/* ==========================================================================
   Timeline (Vehicle History)
   ========================================================================== */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--brand-border, #e5e7eb);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-marker {
    position: absolute;
    left: -23px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 3px solid var(--brand-surface, #fff);
    box-shadow: 0 0 0 1px var(--brand-border, #e5e7eb);
}

.timeline-content {
    background: var(--brand-surface, #fff);
    padding: 1rem;
    border-radius: 8px;
    box-shadow: var(--shadow-sm, 0 2px 8px rgba(0,0,0,0.05));
}

.timeline-content svg {
    vertical-align: middle;
    margin-top: -1px;
}

/* ==========================================================================
   Related Vehicles
   ========================================================================== */
.related-vehicle-card {
    transition: all 0.3s ease;
}

.related-vehicle-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.related-vehicle-card .vehicle-details {
    padding: 0.75rem;
}

/* ==========================================================================
   Fullscreen Gallery
   ========================================================================== */
.fullscreen-gallery .modal-content {
    background: #000;
}

.fullscreen-thumbnail {
    cursor: pointer;
    transition: all 0.2s ease;
}

.fullscreen-thumbnail:hover {
    transform: scale(1.1);
    border-color: var(--brand-accent, #0d6efd) !important;
}

.fullscreen-thumbnail.active {
    border-color: var(--brand-accent, #0d6efd) !important;
    box-shadow: 0 0 0 2px rgba(var(--brand-accent-rgb, 59, 130, 246), 0.25);
}

/* ==========================================================================
   Lightbox Gallery Styles
   ========================================================================== */
.gallery-lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    overflow: hidden;
}

.lightbox-container {
    position: relative;
    width: 100%;
    height: 100%;
    max-width: 1200px;
    max-height: 100vh;
    display: flex;
    flex-direction: column;
}

.lightbox-close {
    position: absolute;
    top: 15px;
    right: 15px;
    z-index: 10001;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
    cursor: pointer;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
}

.lightbox-close:hover {
    background: #fff;
    transform: scale(1.1);
}

.lightbox-counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 1rem;
    z-index: 10001;
    backdrop-filter: blur(10px);
    font-weight: 500;
}

/* ==========================================================================
   Gallery Controls
   ========================================================================== */
.gallery-controls {
    z-index: 20;
    pointer-events: none;
}

.gallery-controls * {
    pointer-events: auto;
}

.gallery-counter .badge {
    font-size: 0.875rem;
    backdrop-filter: blur(10px);
}

.gallery-lightbox-btn {
    background: rgba(255, 255, 255, 0.9) !important;
    border-color: rgba(255, 255, 255, 0.5) !important;
    color: #333 !important;
    backdrop-filter: blur(10px);
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.gallery-lightbox-btn:hover {
    background: rgba(255, 255, 255, 1) !important;
    border-color: rgba(255, 255, 255, 0.8) !important;
    color: var(--brand-accent, #0d6efd) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.gallery-play-pause-btn {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-accent, #0d6efd);
    transition: all 0.2s ease;
}

.gallery-play-pause-btn:hover {
    background: rgba(255, 255, 255, 1);
    transform: scale(1.1);
}

/* ==========================================================================
   Swiper Styles (for image galleries)
   ========================================================================== */
.vehicle-image-gallery .main-image-container {
    background-color: var(--brand-bg-alt, #f8f9fa);
    overflow: hidden;
    border-radius: 12px;
}

.vehicle-image-gallery .thumbnail-container {
    padding: 8px 0;
}

.vehicle-image-gallery .thumbnail-image {
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.vehicle-image-gallery .thumbnail-image:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

/* Navigation buttons styling - scoped to detail page */
.vehicle-detail-container .swiper-button-next,
.vehicle-detail-container .swiper-button-prev {
    color: var(--brand-accent, #0d6efd);
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    margin-top: -20px;
}

.vehicle-detail-container .swiper-button-next:after,
.vehicle-detail-container .swiper-button-prev:after {
    font-size: 18px;
    font-weight: 900;
}

/* Pagination styling - scoped to detail page */
.vehicle-detail-container .swiper-pagination-bullet {
    background: rgba(255, 255, 255, 0.5);
    opacity: 1;
}

.vehicle-detail-container .swiper-pagination-bullet-active {
    background: var(--brand-accent, #0d6efd);
}

/* ==========================================================================
   Breadcrumb styling
   ========================================================================== */
.breadcrumb {
    background: none;
    padding: 0;
}

.breadcrumb-item + .breadcrumb-item::before {
    color: var(--brand-text-muted, #6b7280);
    content: ">";
}

.breadcrumb a {
    color: var(--brand-accent, #0d6efd);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* ==========================================================================
   Contact Forms
   ========================================================================== */
.contact-dealer-form,
.test-drive-form {
    background: var(--brand-surface, #fff);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm, 0 2px 8px rgba(0,0,0,0.05));
}

.contact-dealer-form .form-control,
.test-drive-form .form-control {
    border-radius: 8px;
    border: 1px solid var(--brand-border, #e5e7eb);
}

.contact-dealer-form .form-control:focus,
.test-drive-form .form-control:focus {
    border-color: var(--brand-accent, #0d6efd);
    box-shadow: 0 0 0 0.2rem rgba(var(--brand-accent-rgb, 59, 130, 246), 0.15);
}

/* ==========================================================================
   Watch Vehicle Button
   ========================================================================== */
.watch-vehicle-btn {
    transition: all 0.3s ease;
}

.watch-vehicle-btn:hover {
    transform: scale(1.05);
}

.watch-vehicle-btn.active svg {
    fill: var(--color-error, #e74c3c);
    color: var(--color-error, #e74c3c);
}

/* Favorite Button */
.favorite-btn {
    background: rgba(var(--brand-surface-rgb, 255, 255, 255), 0.9);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.favorite-btn:hover {
    background: var(--brand-surface, #fff);
    color: var(--color-error, #e74c3c);
}

.favorite-btn.active {
    color: var(--color-error, #e74c3c);
}

/* ==========================================================================
   Mobile CTA Drawer
   ========================================================================== */
.mobile-cta-drawer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--brand-surface, #fff);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
    z-index: 1000;
    padding: 1rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.mobile-cta-drawer.visible {
    transform: translateY(0);
}

.mobile-cta-drawer .btn {
    flex: 1;
}

/* ==========================================================================
   Print Vehicle Sheet Styles
   ========================================================================== */
@media print {
    .vehicle-info-summary {
        position: static !important;
        box-shadow: none;
        padding: 0;
    }

    .gallery-controls,
    .mobile-cta-drawer,
    .watch-vehicle-btn {
        display: none !important;
    }

    .vehicle-details-tabs {
        display: none !important;
    }
}

/* ==========================================================================
   Responsive Styles
   ========================================================================== */
@media (max-width: 991px) {
    .vehicle-info-summary {
        position: static !important;
        max-height: none;
        margin-top: 1.5rem;
    }
}

@media (max-width: 768px) {
    .vehicle-info-summary {
        padding: 1rem;
        border-radius: 8px;
    }

    .vehicle-details-tabs .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
    }

    .thumbnail-container {
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }

    .thumbnail-image {
        width: 60px !important;
        height: 60px !important;
    }

    .vehicle-detail-container .swiper-button-next,
    .vehicle-detail-container .swiper-button-prev,
    .gallery-play-pause-btn {
        width: 35px;
        height: 35px;
        margin-top: -17.5px;
    }

    .vehicle-detail-container .swiper-button-next:after,
    .vehicle-detail-container .swiper-button-prev:after {
        font-size: 16px;
    }

    .lightbox-close {
        width: 45px;
        height: 45px;
        top: 10px;
        right: 10px;
    }

    .lightbox-counter {
        bottom: 15px;
        font-size: 0.9rem;
        padding: 10px 20px;
    }
}

@media (max-width: 480px) {
    .vehicle-details-tabs .nav-link {
        padding: 0.4rem 0.5rem;
        font-size: 0.85rem;
    }

    .timeline {
        padding-left: 1.5rem;
    }

    .timeline::before {
        left: 10px;
    }

    .timeline-marker {
        left: -18px;
        width: 14px;
        height: 14px;
    }
}