/* =====================================================
   PROJECT DETAIL PAGE STYLES
   ===================================================== */

/* Project Hero Section */
.project-hero {
    padding: var(--space-xl) 0 var(--space-3xl);
}

.project-hero__layout {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: var(--space-2xl);
    align-items: start;
}

/* Project Gallery */
.project-gallery {
    position: sticky;
    top: calc(var(--header-height) + var(--space-lg));
}

.project-gallery__main {
    position: relative;
    aspect-ratio: 16/10;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-md);
    background-color: var(--color-light-gray);
}

.project-gallery__main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s ease;
}

.project-gallery__badges {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    display: flex;
    gap: var(--space-xs);
    z-index: 2;
}

.project-gallery__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-white);
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    color: var(--color-charcoal);
    transition: all var(--transition-base);
    z-index: 2;
}

.project-gallery__nav:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.project-gallery__nav--prev { left: var(--space-md); }
.project-gallery__nav--next { right: var(--space-md); }

.project-gallery__nav svg {
    width: 24px;
    height: 24px;
}

.project-gallery__fullscreen {
    position: absolute;
    bottom: var(--space-md);
    right: var(--space-md);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.6);
    border-radius: var(--radius-md);
    color: var(--color-white);
    transition: all var(--transition-base);
    z-index: 2;
}

.project-gallery__fullscreen:hover {
    background-color: var(--color-primary);
}

.project-gallery__fullscreen svg {
    width: 20px;
    height: 20px;
}

.project-gallery__thumbnails {
    display: flex;
    gap: var(--space-sm);
    overflow-x: auto;
    padding-bottom: var(--space-sm);
    scrollbar-width: thin;
    margin-bottom: var(--space-md);
}

.project-gallery__thumb {
    flex-shrink: 0;
    width: 80px;
    aspect-ratio: 16/10;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    opacity: 0.6;
    transition: all var(--transition-base);
    border: 3px solid transparent;
}

.project-gallery__thumb:hover,
.project-gallery__thumb--active {
    opacity: 1;
}

.project-gallery__thumb--active {
    border-color: var(--color-primary);
}

.project-gallery__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-gallery__thumb--more {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-charcoal);
    color: var(--color-white);
    font-size: var(--text-sm);
    font-weight: 600;
    opacity: 1;
}

.project-gallery__views {
    display: flex;
    gap: var(--space-sm);
}

.project-gallery__view-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background-color: var(--color-light-gray);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-dark-gray);
    transition: all var(--transition-base);
}

.project-gallery__view-btn:hover,
.project-gallery__view-btn--active {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* Project Info */
.project-info {
    position: sticky;
    top: calc(var(--header-height) + var(--space-lg));
}

.project-info__header {
    margin-bottom: var(--space-xl);
}

.project-info__category {
    font-size: var(--text-xs);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-xs);
}

.project-info__title {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 400;
    margin-bottom: var(--space-sm);
}

.project-info__tagline {
    font-size: var(--text-lg);
    color: var(--color-dark-gray);
}

/* Quick Specs */
.project-info__quick-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.quick-spec {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background-color: var(--color-cream);
    border-radius: var(--radius-md);
}

.quick-spec__icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    color: var(--color-primary);
}

.quick-spec__icon svg {
    width: 22px;
    height: 22px;
}

.quick-spec__value {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-charcoal);
    display: block;
}

.quick-spec__label {
    font-size: var(--text-xs);
    color: var(--color-gray);
}

/* Price Box */
.project-info__price-box {
    background-color: var(--color-white);
    border: 2px solid var(--color-light-gray);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
}

.price-box__header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-light-gray);
}

.price-box__label {
    font-size: var(--text-sm);
    color: var(--color-gray);
}

.price-box__price {
    display: flex;
    align-items: baseline;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

.price-box__old-price {
    font-size: var(--text-base);
    color: var(--color-gray);
    text-decoration: line-through;
}

.price-box__promo-badge {
    background: var(--color-accent, #e74c3c);
    color: white;
    font-size: var(--text-xs);
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.price-box__amount {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-primary);
}

.price-box__vat {
    font-size: var(--text-sm);
    color: var(--color-gray);
}

.price-option--selected {
    border-color: var(--color-primary);
    background-color: rgba(85, 108, 55, 0.05);
}

.price-box__options {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.price-option {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md);
    border: 2px solid var(--color-light-gray);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.price-option:hover {
    border-color: var(--color-primary-light);
}

.price-option input[type="radio"],
.price-option input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.price-option input[type="radio"]:checked + .price-option__content,
.price-option input[type="checkbox"]:checked + .price-option__content {
    /* Style when selected */
}

.price-option:has(input:checked) {
    border-color: var(--color-primary);
    background-color: rgba(85, 108, 55, 0.05);
}

.price-option__content {
    flex: 1;
}

.price-option__header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.price-option__name {
    font-weight: 500;
    color: var(--color-charcoal);
}

.price-option__price {
    font-weight: 600;
    color: var(--color-primary);
}

.price-option__desc {
    font-size: var(--text-xs);
    color: var(--color-gray);
    margin-top: var(--space-xs);
}

.price-option--addon {
    background-color: var(--color-off-white);
}

.price-box__total {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: var(--space-md) 0;
    border-top: 2px solid var(--color-light-gray);
    margin-bottom: var(--space-lg);
}

.price-box__total span:first-child {
    font-weight: 500;
    color: var(--color-charcoal);
}

.price-box__total-amount {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.price-box__actions {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.price-box__buy {
    flex: 1;
}

.price-box__favorite {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
}

.price-box__favorite svg {
    flex-shrink: 0;
}

.price-box__favorite--active {
    background-color: #fef2f2;
    border-color: #f87171;
    color: #dc2626;
}

.price-box__favorite--active:hover {
    background-color: #fee2e2;
    border-color: #ef4444;
}

.price-box__favorite--active svg {
    fill: currentColor;
}

.price-box__guarantees {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-light-gray);
}

.guarantee {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--text-xs);
    color: var(--color-dark-gray);
}

.guarantee svg {
    color: var(--color-success);
}

/* Quick Contact */
.project-info__contact {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    background-color: var(--color-cream);
    border-radius: var(--radius-md);
}

.project-info__contact span {
    font-size: var(--text-sm);
    color: var(--color-dark-gray);
}

.project-info__phone {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    color: var(--color-primary);
}

/* =====================================================
   TABS CONTENT
   ===================================================== */

.tab-content-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--space-2xl);
}

.tab-content-main {
    min-width: 0;
}

.project-description {
    color: var(--color-dark-gray);
    line-height: 1.8;
}

.project-description h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-charcoal);
    margin: var(--space-xl) 0 var(--space-md);
}

.project-description p {
    margin-bottom: var(--space-md);
}

.project-description ul {
    list-style: disc;
    padding-left: var(--space-xl);
    margin-bottom: var(--space-md);
}

.project-description li {
    margin-bottom: var(--space-sm);
}

/* Info Cards */
.info-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-light-gray);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.info-card--highlighted {
    background-color: var(--color-cream);
    border-color: var(--color-cream);
}

.info-card__title {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-light-gray);
}

.info-card__row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    font-size: var(--text-sm);
}

.info-card__row span {
    color: var(--color-dark-gray);
}

.info-card__list {
    list-style: none;
}

.info-card__list li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    font-size: var(--text-sm);
    color: var(--color-dark-gray);
}

.info-card__list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

/* Specs Grid */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.specs-section__title {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--color-primary);
}

.specs-table {
    width: 100%;
}

.specs-table tr {
    border-bottom: 1px solid var(--color-light-gray);
}

.specs-table td {
    padding: var(--space-sm) 0;
    font-size: var(--text-sm);
}

.specs-table td:first-child {
    color: var(--color-dark-gray);
}

.specs-table td:last-child {
    text-align: right;
}

/* Rooms Table */
.specs-rooms {
    margin-top: var(--space-2xl);
}

.rooms-table-wrapper {
    overflow-x: auto;
}

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

.rooms-table th,
.rooms-table td {
    padding: var(--space-md);
    text-align: left;
    font-size: var(--text-sm);
    border-bottom: 1px solid var(--color-light-gray);
}

.rooms-table th {
    background-color: var(--color-cream);
    font-weight: 600;
}

.rooms-table td:last-child {
    text-align: right;
}

.rooms-table tfoot td {
    background-color: var(--color-cream);
    font-weight: 600;
}

/* Floor Plans */
.floorplans-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.floorplan-card__image {
    position: relative;
    aspect-ratio: 4/3;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-color: var(--color-cream);
    margin-bottom: var(--space-md);
}

.floorplan-card__image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.floorplan-card__zoom {
    position: absolute;
    bottom: var(--space-md);
    right: var(--space-md);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-white);
    border-radius: 50%;
    box-shadow: var(--shadow-md);
    color: var(--color-charcoal);
    transition: all var(--transition-base);
}

.floorplan-card__zoom:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.floorplan-card__zoom svg {
    width: 20px;
    height: 20px;
}

.floorplan-card__info h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.floorplan-card__info p {
    font-size: var(--text-sm);
    color: var(--color-gray);
}

/* What's Included */
.includes-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.include-card {
    background-color: var(--color-cream);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.include-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.include-card__icon svg {
    width: 28px;
    height: 28px;
}

.include-card__title {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.include-card__list {
    list-style: none;
}

.include-card__list li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    font-size: var(--text-sm);
    color: var(--color-dark-gray);
}

.include-card__list li::before {
    content: '•';
    position: absolute;
    left: var(--space-sm);
    color: var(--color-primary);
}

.includes-note {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background-color: rgba(85, 108, 55, 0.1);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
}

.includes-note svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.includes-note strong {
    display: block;
    margin-bottom: var(--space-xs);
}

.includes-note p {
    font-size: var(--text-sm);
    color: var(--color-dark-gray);
    margin: 0;
}

/* Sticky Cart (Mobile) */
.sticky-cart {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    padding: var(--space-md) var(--space-lg);
    z-index: var(--z-fixed);
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
}

.sticky-cart__price {
    display: flex;
    flex-direction: column;
}

.sticky-cart__label {
    font-size: var(--text-xs);
    color: var(--color-gray);
}

.sticky-cart__amount {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-primary);
}

.sticky-cart__btn {
    flex-shrink: 0;
}

/* =====================================================
   RESPONSIVE STYLES
   ===================================================== */
@media (max-width: 1200px) {
    .project-hero__layout {
        grid-template-columns: 1fr 380px;
    }

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

@media (max-width: 1024px) {
    .project-hero__layout {
        grid-template-columns: 1fr;
    }

    .project-gallery {
        position: static;
    }

    .project-info {
        position: static;
    }

    .tab-content-grid {
        grid-template-columns: 1fr;
    }

    .tab-content-sidebar {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-lg);
    }

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

@media (max-width: 768px) {
    .project-info__quick-specs {
        grid-template-columns: 1fr;
    }

    .tabs__list {
        overflow-x: auto;
        white-space: nowrap;
        padding-bottom: var(--space-sm);
        scrollbar-width: thin;
    }

    .floorplans-grid {
        grid-template-columns: 1fr;
    }

    .includes-grid {
        grid-template-columns: 1fr;
    }

    .tab-content-sidebar {
        grid-template-columns: 1fr;
    }

    .sticky-cart {
        display: flex;
    }

    .project-info__price-box {
        display: none;
    }

    .price-box__actions {
        flex-direction: column;
    }

    .price-box__favorite {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .project-gallery__views {
        flex-direction: column;
    }

    .project-gallery__thumbnails {
        justify-content: flex-start;
    }

    .project-gallery__thumb {
        width: 60px;
    }
}

/* =====================================================
   PROJECT VERSIONS (inne wersje projektu)
   ===================================================== */
.project-versions {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-light-gray);
}

.project-versions__header {
    margin-bottom: var(--space-md);
}

.project-versions__title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-charcoal);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-versions__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.project-version {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm);
    background: var(--color-cream);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.project-version:hover {
    background: var(--color-white);
    border-color: var(--color-primary);
    transform: translateX(4px);
}

.project-version__image {
    width: 60px;
    height: 45px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

.project-version__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-version__info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.project-version__label {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-version__name {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-charcoal);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.project-version__price {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-dark-gray);
}

.project-version__arrow {
    width: 20px;
    height: 20px;
    color: var(--color-gray);
    flex-shrink: 0;
    transition: color 0.2s ease;
}

.project-version:hover .project-version__arrow {
    color: var(--color-primary);
}

/* =====================================================
   GALLERY TABS
   ===================================================== */

.gallery-tabs {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.gallery-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 16px;
    background-color: #e8ebe3;
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-dark-gray);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

.gallery-tab:hover:not(:disabled) {
    background-color: #dce0d5;
}

.gallery-tab--active {
    background-color: var(--color-primary);
    color: white;
}

.gallery-tab:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.gallery-tab svg {
    flex-shrink: 0;
}

/* Gallery Panels */
.gallery-panel {
    display: none;
    width: 100%;
    height: 100%;
}

.gallery-panel--active {
    display: block;
}

.gallery-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--color-gray);
    text-align: center;
    padding: var(--space-2xl);
}

.gallery-empty svg {
    margin-bottom: var(--space-md);
    opacity: 0.5;
}

.gallery-empty p {
    font-size: var(--text-sm);
}

/* Thumbnails hidden state */
.project-gallery__thumbnails--hidden {
    display: none !important;
}

/* Zoom button */
.project-gallery__zoom {
    position: absolute;
    bottom: var(--space-md);
    right: var(--space-md);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-md);
    color: var(--color-charcoal);
    transition: all var(--transition-base);
    z-index: 2;
    cursor: pointer;
    box-shadow: var(--shadow-md);
}

.project-gallery__zoom:hover {
    background-color: var(--color-primary);
    color: white;
}

/* Main image cursor */
.project-gallery__main-image {
    cursor: zoom-in;
}

/* Sketchfab Embed */
.sketchfab-embed-wrapper {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.sketchfab-embed-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: var(--radius-lg);
}

/* =====================================================
   LIGHTBOX
   ===================================================== */

.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    background-color: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.lightbox--active {
    opacity: 1;
    visibility: visible;
}

.lightbox__content {
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox__image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox__close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 10001;
}

.lightbox__close:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 10001;
}

.lightbox__nav:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.lightbox__nav--prev {
    left: 20px;
}

.lightbox__nav--next {
    right: 20px;
}

.lightbox__counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: var(--text-sm);
    background-color: rgba(0, 0, 0, 0.5);
    padding: 8px 16px;
    border-radius: 20px;
}

/* =====================================================
   RESPONSIVE - Gallery Tabs
   ===================================================== */

@media (max-width: 768px) {
    .gallery-tabs {
        flex-wrap: wrap;
    }

    .gallery-tab {
        flex: 1 1 calc(50% - var(--space-xs));
        font-size: 0.8rem;
        padding: 10px 12px;
    }

    .gallery-tab:last-child {
        flex: 1 1 100%;
    }

    .lightbox__nav {
        width: 44px;
        height: 44px;
    }

    .lightbox__nav--prev {
        left: 10px;
    }

    .lightbox__nav--next {
        right: 10px;
    }

    .lightbox__close {
        top: 10px;
        right: 10px;
        width: 40px;
        height: 40px;
    }
}

/* =====================================================
   MODEL VIEWER (3D)
   ===================================================== */

model-viewer {
    width: 100%;
    height: 100%;
    --poster-color: transparent;
}

model-viewer::part(default-progress-bar) {
    display: none;
}

.model-viewer-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-light-gray);
}

.model-viewer-progress__bar {
    width: 0%;
    height: 100%;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

/* 3D Model controls overlay */
.gallery-panel model-viewer {
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, #f5f5f5 0%, #e8ebe3 100%);
}

/* Hide zoom button on 3D tab */
#panel-model3d ~ .project-gallery__zoom {
    display: none;
}

/* When model3d panel is active, hide nav arrows */
.gallery-panel--active#panel-model3d ~ .project-gallery__nav {
    display: none;
}