/* ============================================================
   KeXoT Shop — Product Detail Page
   ============================================================ */

/* --- Product Detail Layout --- */
.product-detail-section {
    padding: var(--space-2xl) 0 var(--space-3xl);
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

/* --- Gallery --- */
.product-gallery {
    position: sticky;
    top: calc(var(--header-height) + 20px);
}

.gallery-main {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    margin-bottom: var(--space-md);
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.gallery-zoom-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-card);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.gallery-zoom-btn:hover {
    color: var(--text-white);
    background: rgba(0,0,0,0.8);
}

/* --- Product Info Panel --- */
.product-detail-info {
    padding-top: var(--space-sm);
}

.detail-brand-category {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.detail-brand {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--brand-primary);
    background: rgba(79,142,247,0.08);
    border: 1px solid rgba(79,142,247,0.15);
    padding: 0.25rem 0.7rem;
    border-radius: var(--radius-full);
}

.detail-category {
    font-size: 0.78rem;
    color: var(--text-muted);
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    padding: 0.25rem 0.7rem;
    border-radius: var(--radius-full);
}

.detail-title {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    color: var(--text-white);
    line-height: 1.15;
    margin-bottom: var(--space-md);
}

.detail-rating-row {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.detail-stars .stars { font-size: 1rem; }

.detail-rating-num {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent-amber);
}

.detail-reviews-count {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.detail-availability {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent-green);
}

.detail-availability .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-green);
    animation: pulse 2s ease-in-out infinite;
}

/* Price block */
.detail-price-block {
    display: flex;
    align-items: flex-end;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    padding: var(--space-lg);
    background: var(--bg-glass);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
}

.detail-price {
    font-family: 'Outfit', sans-serif;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--text-white);
    line-height: 1;
}

.detail-price-meta {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    padding-bottom: 4px;
}

.detail-old-price {
    font-size: 1rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

.detail-save {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--accent-green);
    background: rgba(16,185,129,0.1);
    border: 1px solid rgba(16,185,129,0.2);
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-full);
}

/* Description */
.detail-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--border-subtle);
}

/* Purchase Actions */
.detail-actions {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.detail-actions .btn-primary {
    flex: 1;
    justify-content: center;
    padding: 1rem;
    font-size: 1rem;
}

.detail-wishlist-btn {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: var(--bg-glass);
    border: 1px solid var(--border-card);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.detail-wishlist-btn:hover,
.detail-wishlist-btn.active {
    color: var(--accent-red);
    border-color: rgba(239,68,68,0.3);
    background: rgba(239,68,68,0.07);
}

/* Delivery info chips */
.detail-delivery {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: var(--space-xl);
}

.delivery-chip {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.85rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-md);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.delivery-chip .chip-icon { font-size: 1rem; }
.delivery-chip strong { color: var(--text-primary); }

/* Specs table */
.detail-specs {
    margin-top: var(--space-xl);
}

.detail-specs h3 {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
}

.specs-table {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.spec-row {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 0;
    border-bottom: 1px solid var(--border-subtle);
}

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

.spec-key,
.spec-val {
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
}

.spec-key {
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg-glass);
    border-right: 1px solid var(--border-subtle);
}

.spec-val {
    color: var(--text-secondary);
}

/* --- Related Products --- */
.related-section {
    margin-top: var(--space-3xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--border-subtle);
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .product-detail-grid { grid-template-columns: 1fr; }
    .product-gallery { position: static; }
    .detail-price      { font-size: 2rem; }
}

@media (max-width: 600px) {
    .detail-price-block { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
    .detail-actions     { flex-direction: column; }
    .detail-actions .detail-wishlist-btn { width: 100%; }
    .spec-row           { grid-template-columns: 120px 1fr; }
}