/* ============================================================
   PRODUCT - the san pham, trang chi tiet, danh gia
   ============================================================ */

/* ===== PRODUCT GRID & CARD ===== */
.product-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:0}
.product-grid.cols-4{grid-template-columns:repeat(4,1fr)}
.product-card{
    border-right:1px solid var(--gray-200);
    border-bottom:1px solid var(--gray-200);
    padding:12px;cursor:pointer;transition:all .2s;
    position:relative;background:white;
    display:flex;flex-direction:column;
}
.product-card:hover{background:#fff0f1;z-index:1;transform:translateY(-3px);box-shadow:0 10px 26px rgba(0,0,0,.09)}
.product-card:hover .pc-name{color:var(--red)}
.product-card:hover .pc-img img{transform:scale(1.06)}
.pc-badge{position:absolute;top:8px;left:8px;font-size:10px;font-weight:700;padding:2px 7px;border-radius:20px;z-index:3}
.pc-badge.sale{background:var(--coral);color:white}
.pc-badge.new{background:var(--indigo);color:white}
.pc-badge.hot{background:var(--amber);color:white}
/* Wishlist button */
.btn-wishlist{display:inline-flex;align-items:center;gap:4px;background:none;border:1.5px solid #e8e8e8;color:#aaa;font-size:12px;font-weight:600;cursor:pointer;padding:4px 10px;border-radius:20px;transition:all .2s;font-family:inherit;white-space:nowrap}
.btn-wishlist:hover{color:var(--red);background:#fff0f1;border-color:#ffccd1}
.btn-wishlist.active{color:var(--red);background:#fff0f1;border-color:var(--red)}
.btn-wishlist .wh-icon{font-size:13px;line-height:1}
.btn-wishlist .wh-icon::after{content:'🤍'}
.btn-wishlist.active .wh-icon::after{content:'❤️'}
.pc-img{width:100%;aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:72px;background:var(--gray-100);border-radius:4px;overflow:hidden;margin-bottom:9px;flex-shrink:0}
.pc-img img{width:100%;height:100%;object-fit:contain;padding:6px;transition:transform .3s ease;animation:imgFadeIn .5s ease both}
@keyframes imgFadeIn{from{opacity:0}to{opacity:1}}
.pc-brand{font-size:10px;font-weight:700;color:var(--gray-500);text-transform:uppercase;letter-spacing:.5px;margin-bottom:3px;flex-shrink:0;min-height:16px}
.pc-brand-logo{height:16px;width:auto;max-width:74px;object-fit:contain;display:block}
.pc-name{font-size:13px;font-weight:600;color:var(--dark);line-height:1.4;margin-bottom:6px;height:37px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .15s;flex-shrink:0}
.pc-price{font-size:16px;font-weight:800;color:var(--price);flex-shrink:0}
.pc-old-price{font-size:11px;color:var(--gray-400);text-decoration:line-through;margin-top:1px;flex-shrink:0}
.pc-discount{display:inline-block;background:var(--coral-tint);color:var(--coral-dark);font-size:10px;font-weight:700;padding:1px 5px;border-radius:3px;margin-top:2px}
.pc-promo{font-size:10px;color:var(--green);font-weight:600;margin-top:auto;padding-top:6px;flex-shrink:0}
.btn-add-cart{display:block;width:100%;background:var(--cart-grad);color:white;border:none;border-radius:50px;padding:8px;font-size:12px;font-weight:700;cursor:pointer;margin-top:9px;transition:filter .2s,transform .2s;flex-shrink:0}
.btn-add-cart:hover{filter:brightness(1.07);transform:translateY(-1px)}
.pc-bottom-row{display:flex;align-items:center;justify-content:space-between;margin-top:8px;padding-top:8px;border-top:1px solid #f5f5f5}
.pc-stars{color:#f5a623;font-size:12px;letter-spacing:1px}

/* ===== PRODUCT DETAIL ===== */
.detail-grid{display:grid;grid-template-columns:340px 1fr 280px;gap:16px;align-items:start}
.detail-images{background:white;border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);position:sticky;top:10px}
.main-image{width:100%;aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:100px;background:var(--gray-100);border-radius:8px;margin-bottom:10px;overflow:hidden}
.main-image img{width:100%;height:100%;object-fit:contain;padding:12px}
.thumb-list{display:flex;gap:8px;flex-wrap:wrap}
.thumb{width:56px;height:56px;border-radius:6px;border:2px solid var(--gray-200);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:24px;overflow:hidden;transition:border-color .15s}
.thumb.active,.thumb:hover{border-color:var(--red)}
.thumb img{width:100%;height:100%;object-fit:contain}
.detail-info{background:white;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.detail-brand{font-size:11px;font-weight:700;color:var(--gray-500);text-transform:uppercase;margin-bottom:6px}
.detail-name{font-size:20px;font-weight:800;color:var(--dark);margin-bottom:10px;line-height:1.3}
.detail-rating{display:flex;align-items:center;gap:10px;margin-bottom:14px;padding-bottom:14px;border-bottom:1px solid var(--gray-200);font-size:13px}
.stars{color:#f5a623;font-size:14px}
.detail-price-row{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.detail-price{font-size:28px;font-weight:800;color:var(--price)}
.detail-old-price{font-size:15px;color:var(--gray-400);text-decoration:line-through}
.detail-saving{background:#ffeaec;color:var(--price);font-size:12px;font-weight:700;padding:3px 10px;border-radius:20px}
.detail-desc{font-size:13px;color:var(--gray-500);line-height:1.7;margin-bottom:16px;padding:12px;background:#f9f9f9;border-left:3px solid var(--red);border-radius:0 6px 6px 0}
.specs-table{width:100%;border-collapse:collapse}
.specs-table tr:nth-child(even){background:var(--gray-100)}
.specs-table td{padding:9px 12px;font-size:13px;border-bottom:1px solid var(--gray-200)}
.specs-table td:first-child{font-weight:600;width:40%;color:var(--gray-500)}
.detail-buy{background:white;border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);position:sticky;top:10px}
.detail-price-sticky{font-size:24px;font-weight:800;color:var(--price);margin-bottom:4px}
.qty-row{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.qty-label{font-size:12px;font-weight:700;color:var(--gray-500);text-transform:uppercase}
.qty-control-big{display:flex;align-items:center;gap:0;border:1.5px solid var(--gray-200);border-radius:8px;overflow:hidden}
.qty-btn-big{width:36px;height:36px;border:none;background:var(--gray-100);cursor:pointer;font-size:18px;font-weight:700;display:flex;align-items:center;justify-content:center;transition:background .15s}
.qty-btn-big:hover{background:var(--gray-200)}
.qty-input{width:48px;height:36px;border:none;border-left:1.5px solid var(--gray-200);border-right:1.5px solid var(--gray-200);text-align:center;font-size:15px;font-weight:700;font-family:inherit;outline:none}
.btn-addcart-big{display:block;width:100%;background:var(--cart-grad);color:white;border:none;border-radius:50px;padding:13px;font-size:15px;font-weight:700;cursor:pointer;margin-bottom:8px;transition:all .2s;font-family:inherit;box-shadow:0 6px 18px rgba(251,39,64,.28)}
.btn-addcart-big:hover{filter:brightness(1.07);transform:scale(1.02)}
.btn-buynow{display:block;width:100%;background:var(--coral-grad);color:white;border:none;border-radius:50px;padding:13px;font-size:15px;font-weight:700;cursor:pointer;margin-bottom:16px;transition:all .2s;font-family:inherit}
.btn-buynow:hover{filter:brightness(1.06);transform:scale(1.02)}
.trust-list{list-style:none;padding:0}
.trust-list li{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--gray-500);padding:5px 0;border-bottom:1px solid var(--gray-200)}
.trust-list li:last-child{border-bottom:none}
.trust-list li span:first-child{width:20px;text-align:center;font-size:16px}

/* ===== REVIEWS ===== */
.review-card{padding:14px;border-bottom:1px solid var(--gray-200)}
.review-card:last-child{border-bottom:none}
.review-header{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.reviewer-avatar{width:36px;height:36px;border-radius:50%;background:var(--red);color:white;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex-shrink:0}
.reviewer-name{font-size:13px;font-weight:700}
.reviewer-date{font-size:11px;color:var(--gray-400)}
.review-text{font-size:13px;color:var(--gray-500);line-height:1.6}
.review-form{padding:16px;background:var(--gray-100);border-radius:8px;margin-top:16px}
.review-form h4{font-size:14px;font-weight:700;margin-bottom:12px}
.star-select{display:flex;gap:6px;margin-bottom:10px}
.star-select span{font-size:28px;cursor:pointer;opacity:.4;transition:all .15s}
.star-select span:hover,.star-select span.on{opacity:1}