/* ===== BREADCRUMB ===== */
.breadcrumb-bar {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 100px 32px 0;
}
.breadcrumb-inner {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: var(--text-tertiary);
}
.breadcrumb-inner a {
    color: var(--text-secondary);
    transition: var(--transition);
}
.breadcrumb-inner a:hover { color: var(--accent); }
.bc-sep { color: var(--text-tertiary); }
.bc-current { color: var(--text-secondary); }

/* ===== PRODUCT DETAIL LAYOUT ===== */
.pd-layout {
    max-width: var(--max-w);
    margin: 32px auto 0;
    padding: 0 32px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

/* ===== GALLERY ===== */
.pd-gallery {
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: sticky;
    top: 90px;
}
.pd-main-img {
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    aspect-ratio: 1/1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
.pd-main-img img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .5s ease;
}
.pd-main-img:hover img { transform: scale(1.03); }
.pd-main-img--placeholder {
    color: var(--text-tertiary);
}
.pd-thumbs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.pd-thumb {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
    opacity: .5;
}
.pd-thumb:hover { opacity: .8; border-color: var(--text-secondary); }
.pd-thumb.active { opacity: 1; border-color: var(--accent); }

/* ===== PRODUCT INFO ===== */
.pd-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding-top: 8px;
}
.pd-cats {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.pd-cat-tag {
    background: var(--accent-dim);
    color: var(--accent);
    font-size: 11px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 50px;
    letter-spacing: .5px;
    text-transform: uppercase;
}
.pd-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--text);
    line-height: 1.15;
    letter-spacing: -.5px;
    overflow-wrap: break-word;
}
/* Price */
.pd-price-block {
    display: flex;
    align-items: baseline;
    gap: 12px;
}
.pd-price-current {
    font-size: 40px;
    font-weight: 900;
    color: var(--accent);
    line-height: 1;
}
/* Stock */
.pd-stock {
    font-size: 13px;
    font-weight: 600;
    padding: 10px 16px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: fit-content;
}
.pd-stock--in {
    background: rgba(0, 200, 83, .1);
    color: #00c853;
    border: 1px solid rgba(0, 200, 83, .2);
}
.pd-stock--out {
    background: rgba(255, 82, 82, .1);
    color: #ff5252;
    border: 1px solid rgba(255, 82, 82, .2);
}
.pd-sku-name {
    font-size: 14px;
    color: var(--text-secondary);
}
.pd-sku-name strong { color: var(--text); }

/* SKU Selector */
.pd-sku-selector { margin-bottom: 4px; }
.pd-sku-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.pd-sku-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.pd-sku-option {
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-elevated);
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
}
.pd-sku-option:hover {
    border-color: var(--accent);
    color: var(--text);
}
.pd-sku-option.active {
    border-color: var(--accent);
    background: rgba(0, 229, 255, .1);
    color: var(--accent);
    font-weight: 600;
}

/* Actions */
.pd-actions {
    display: flex;
    gap: 12px;
}
.pd-btn-cart {
    flex: 1;
    padding: 16px 32px;
    background: var(--accent);
    color: #000;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: inherit;
}
.pd-btn-cart:hover {
    box-shadow: 0 0 30px var(--accent-glow);
    transform: translateY(-2px);
}
.pd-btn-fav {
    width: 52px;
    height: 52px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}
.pd-btn-fav:hover {
    border-color: #ff5252;
    color: #ff5252;
    background: rgba(255, 82, 82, .1);
}

/* Cart counter on product detail */
.pd-cart-wrapper {
    flex: 1;
}
.pd-cart-counter {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    border-radius: 10px;
    overflow: hidden;
    height: 52px;
}
.pd-cart-counter .counter-btn {
    width: 52px;
    height: 100%;
    background: transparent;
    color: #000;
    border: none;
    font-size: 22px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
}
.pd-cart-counter .counter-btn:hover {
    background: rgba(0, 0, 0, .1);
}
.pd-cart-counter .counter-value {
    flex: 1;
    text-align: center;
    font-size: 18px;
    font-weight: 800;
    color: #000;
    user-select: none;
}

/* Features */
.pd-features {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.pd-feature-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    font-size: 13px;
    border-bottom: 1px solid var(--border);
}
.pd-feature-item:last-child { border-bottom: none; }
.pd-feature-item svg {
    flex-shrink: 0;
    color: var(--accent);
}
.pd-feature-item strong {
    display: block;
    color: var(--text);
    margin-bottom: 2px;
    font-weight: 600;
}
.pd-feature-item span { color: var(--text-secondary); }

/* ===== TABS ===== */
.pd-tabs-section {
    max-width: var(--max-w);
    margin: 60px auto 80px;
    padding: 0 32px;
}
.pd-tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 32px;
    flex-wrap: wrap;
}
.pd-tab {
    padding: 14px 28px;
    background: none;
    border: none;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: var(--transition);
    letter-spacing: .5px;
    text-transform: uppercase;
    font-family: inherit;
}
.pd-tab:hover {
    color: var(--text);
}
.pd-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}
.pd-tab-hidden { display: none; }
.pd-description {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 720px;
}
.pd-chars-table {
    border-collapse: collapse;
    width: 100%;
    max-width: 600px;
}
.pd-chars-table tr {
    border-bottom: 1px solid var(--border);
}
.pd-chars-key {
    padding: 14px 20px 14px 0;
    font-size: 14px;
    color: var(--text-secondary);
    width: 40%;
}
.pd-chars-val {
    padding: 14px 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .pd-layout {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 0 16px;
    }
    .pd-gallery { position: static; }
    .pd-title { font-size: 24px; }
    .pd-price-current { font-size: 32px; }
    .pd-tabs-section { padding: 0 16px; margin: 40px auto 60px; }
    .breadcrumb-bar { padding: 88px 16px 0; }
}
@media (max-width: 480px) {
    .pd-actions { flex-direction: column; }
    .pd-btn-fav { width: 100%; height: 48px; }
    .pd-tab { padding: 12px 16px; font-size: 12px; }
    .pd-price-current { font-size: 28px; }
    .pd-btn-cart { padding: 14px 20px; font-size: 13px; }
}