/* ===================================
   ZAMOK — Product Gallery
   Основное фото, миниатюры, навигация, zoom, 3D
   =================================== */

/* Main image container */
.product-gallery__main {
    position: relative;
    aspect-ratio: 1;
    width: 100%;
    max-width: 100%;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    cursor: zoom-in;
}

/* Images */
.product-gallery__image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 32px;
    opacity: 0;
    transition: opacity 0.35s ease;
    pointer-events: none;
    user-select: none;
}

.product-gallery__image--active {
    opacity: 1;
    position: relative;
    pointer-events: auto;
}

/* Navigation arrows */
.product-gallery__arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 3;
    opacity: 1;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    color: var(--color-text);
    padding: 0;
}

.product-gallery__arrow--prev {
    left: 12px;
}

.product-gallery__arrow--next {
    right: 12px;
}

.product-gallery__arrow:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-50%) scale(1.05);
}

/* 3D button */
.product-gallery__3d-btn {
    position: absolute;
    bottom: 12px;
    left: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: rgba(0, 0, 0, 0.75);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-base);
    z-index: 3;
    font-family: var(--font-family);
}

.product-gallery__3d-btn:hover {
    background: var(--color-primary);
}

.product-gallery__3d-btn svg {
    width: 16px;
    height: 16px;
}

/* Zoom lens (for drawings in gallery) */
.product-gallery__zoom-lens {
    position: absolute;
    width: 120px;
    height: 120px;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-sm);
    background: rgba(225, 30, 40, 0.05);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s ease;
    z-index: 5;
}

.product-gallery__zoom-result {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 250px;
    height: 250px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background-repeat: no-repeat;
    box-shadow: var(--shadow-lg);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s ease;
    z-index: 6;
    background-color: var(--color-white);
}

/* Thumbnails */
.product-gallery__thumbs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    padding-bottom: 4px;
}

.product-gallery__thumbs::-webkit-scrollbar {
    display: none;
}

.product-gallery__thumb {
    position: relative;
    width: 72px;
    height: 72px;
    flex-shrink: 0;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    background: var(--color-white);
    padding: 4px;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-gallery__thumb:hover {
    border-color: var(--color-text-muted);
}

.product-gallery__thumb--active {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px var(--color-primary);
}

.product-gallery__thumb img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* Drawing thumbnail label */
.product-gallery__thumb--drawing {
    position: relative;
}

.product-gallery__thumb-label {
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 9px;
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    background: rgba(0, 0, 0, 0.6);
    padding: 1px 5px;
    border-radius: 3px;
    white-space: nowrap;
}

/* Quick actions (top-right, like catalog cards) */
.product-gallery__actions {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    z-index: 4;
}

.product-gallery__action-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--color-text-secondary);
    box-shadow: var(--shadow-sm);
    padding: 0;
}

.product-gallery__action-btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.product-gallery__action-btn--active,
.product-gallery__action-btn.is-active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.product-gallery__action-btn svg {
    width: 18px;
    height: 18px;
}