.product-gallery { position: relative; }
.product-gallery-main { width: 100%; aspect-ratio: 1/1; overflow: hidden; background: var(--surface); }
.product-gallery-main img { width: 100%; height: 100%; object-fit: cover; transition: opacity 0.3s ease; }
.product-thumbs { display: flex; gap: 8px; margin-top: 12px; overflow-x: auto; scrollbar-width: none; }
.product-thumbs::-webkit-scrollbar { display: none; }
.product-thumb { width: 72px; height: 72px; flex-shrink: 0; overflow: hidden; cursor: pointer; border: 2px solid transparent; transition: border-color 0.2s; background: var(--surface); }
.product-thumb.active { border-color: var(--foreground); }
.product-thumb:hover { border-color: var(--border-dark); }
.product-thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-info { display: flex; flex-direction: column; gap: 0; }
.product-option-group { margin-bottom: 20px; }
.product-option-label { display: block; font-size: 13px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 10px; color: var(--foreground); }
.product-option-label span { font-weight: 400; text-transform: none; letter-spacing: 0; color: var(--text-secondary); }
.product-option-btn { display: inline-flex; align-items: center; justify-content: center; min-width: 48px; height: 44px; padding: 0 16px; border: 1px solid var(--border); font-size: 14px; font-weight: 500; color: var(--foreground); background: var(--background); cursor: pointer; transition: all 0.15s ease; }
.product-option-btn:hover { border-color: var(--foreground); }
.product-option-btn.selected { border-color: var(--foreground); background: var(--foreground); color: var(--background); }
.product-option-btn.unavailable { opacity: 0.35; text-decoration: line-through; cursor: not-allowed; }
.product-qty { display: flex; align-items: center; border: 1px solid var(--border); height: 52px; }
.product-qty button { width: 48px; height: 100%; display: flex; align-items: center; justify-content: center; background: none; border: none; cursor: pointer; font-size: 18px; color: var(--text-secondary); transition: color 0.15s; }
.product-qty button:hover { color: var(--foreground); }
.product-qty input { width: 52px; height: 100%; text-align: center; border: none; border-left: 1px solid var(--border); border-right: 1px solid var(--border); font-size: 14px; font-weight: 600; color: var(--foreground); background: transparent; -moz-appearance: textfield; }
.product-qty input::-webkit-outer-spin-button,
.product-qty input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.product-atc { width: 100%; height: 52px; display: flex; align-items: center; justify-content: center; background: transparent; color: var(--foreground); font-size: 14px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; border: 1.5px solid var(--border-dark); cursor: pointer; transition: all 0.2s; }
.product-atc:hover { border-color: var(--foreground); }
.product-atc:disabled { opacity: 0.4; cursor: not-allowed; }
.product-buy-now { width: 100%; height: 52px; display: flex; align-items: center; justify-content: center;  background: var(--primary, #ffffff);
    color: var(--primary-text, #0a0a0a); font-size: 14px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; border: none; cursor: pointer; transition: opacity 0.2s; }
.product-buy-now:hover { opacity: 0.85; }
.product-buy-now:disabled { opacity: 0.4; cursor: not-allowed; }
.product-meta-item { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-secondary); }
.product-meta-item svg { width: 16px; height: 16px; flex-shrink: 0; }
.product-accordion { border-top: 1px solid var(--border); }
.product-accordion summary { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; cursor: pointer; font-size: 14px; font-weight: 500; color: var(--foreground); list-style: none; }
.product-accordion summary::-webkit-details-marker { display: none; }
.product-accordion summary svg { width: 16px; height: 16px; transition: transform 0.2s; color: var(--text-secondary); }
.product-accordion[open] summary svg { transform: rotate(180deg); }
.product-accordion .accordion-body { padding-bottom: 16px; font-size: 14px; line-height: 1.7; color: var(--text-secondary); }