:root{--primary-color:#1a1a1a;--accent-color:#fbbf24;--success-color:#16a34a;--border-color:#e5e7eb;--text-secondary:#4b5563;--bg-light:#f9fafb;--danger-color:#dc2626}*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--primary-color);line-height:1.6}.navbar{box-shadow:0 1px 3px rgba(0,0,0,0.1)}.navbar-brand{font-weight:700;font-size:1.25rem;color:var(--primary-color) !important;letter-spacing:-0.5px}.star-rating{color:var(--accent-color);font-size:0.85rem;margin-left:4px}.nav-icons a{color:var(--primary-color);text-decoration:none;font-size:1.2rem;transition:color 0.3s;position:relative}.nav-icons a:hover{color:var(--accent-color)}.cart-badge{position:absolute;top:-8px;right:-8px;background:var(--danger-color);color:white;font-size:0.65rem;padding:2px 6px;border-radius:10px;font-weight:600}.breadcrumb-section{background:var(--bg-light);padding:12px 0}.breadcrumb{margin:0;background:transparent;padding:0}.breadcrumb-item a{color:var(--text-secondary);text-decoration:none}.breadcrumb-item a:hover{color:var(--primary-color)}.breadcrumb-item.active{color:var(--primary-color)}.product-section{padding:40px 0}.product-image-container{position:relative}.wishlist-btn{position:absolute;top:15px;right:15px;background:white;border:none;width:45px;height:45px;border-radius:50%;box-shadow:0 2px 8px rgba(0,0,0,0.15);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all 0.3s;z-index:10}.wishlist-btn:hover{background:var(--danger-color);color:white;transform:scale(1.1)}.wishlist-btn.active{background:var(--danger-color);color:white}.product-image{width:100%;height:auto;border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,0.08);transition:transform 0.3s}.product-image:hover{transform:scale(1.02)}.thumbnail-container{display:flex;gap:10px;margin-top:15px;overflow-x:auto;padding:5px 0}.thumbnail{width:80px;height:80px;object-fit:cover;border-radius:8px;cursor:pointer;border:2px solid transparent;transition:all 0.3s;flex-shrink:0}.thumbnail:hover{border-color:var(--accent-color);transform:translateY(-2px)}.thumbnail.active{border-color:var(--primary-color);box-shadow:0 2px 8px rgba(0,0,0,0.15)}.product-title{font-size:2rem;font-weight:700;line-height:1.3;margin-bottom:15px;color:var(--primary-color)}.product-meta{display:flex;align-items:center;gap:15px;margin-bottom:20px;flex-wrap:wrap}.product-rating{display:flex;align-items:center;gap:8px}.rating-stars{color:var(--accent-color);font-size:0.9rem}.rating-count{color:var(--text-secondary);font-size:0.9rem}.text-secondary{color:var(--text-secondary) !important}.product-sku{color:var(--text-secondary);font-size:0.85rem}.stock-badge{background:#dcfce7;color:var(--success-color);padding:4px 12px;border-radius:6px;font-size:0.85rem;font-weight:600}.price-section{display:flex;align-items:center;gap:15px;margin-bottom:25px;flex-wrap:wrap}.price-original{text-decoration:line-through;color:var(--text-secondary);font-size:1.1rem}.price-sale{color:var(--primary-color);font-size:2rem;font-weight:700}.badge-sale{background-color:var(--danger-color);color:white;padding:6px 14px;border-radius:6px;font-size:0.75rem;font-weight:600;text-transform:uppercase;letter-spacing:0.5px}.discount-percent{color:var(--success-color);font-weight:600;font-size:0.9rem}.form-label{font-weight:600;font-size:0.9rem;margin-bottom:10px;color:var(--primary-color);display:flex;justify-content:space-between;align-items:center}.size-guide-link{color:var(--primary-color);font-size:0.85rem;text-decoration:underline;font-weight:400;cursor:pointer}.size-guide-link:hover{color:var(--accent-color)}.size-selector{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px}.size-btn{border:2px solid var(--border-color);background:white;padding:12px 20px;border-radius:8px;cursor:pointer;transition:all 0.3s;font-weight:600;min-width:60px;text-align:center}.size-btn:hover{border-color:var(--primary-color)}.size-btn.active{background:var(--primary-color);color:white;border-color:var(--primary-color)}.size-btn.out-of-stock{opacity:0.4;cursor:not-allowed;text-decoration:line-through}.color-selector{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:20px}.color-btn{width:50px;height:50px;border:3px solid transparent;border-radius:50%;cursor:pointer;transition:all 0.3s;position:relative}.color-btn:hover{transform:scale(1.1);border-color:var(--primary-color)}.color-btn.active{border-color:var(--primary-color);box-shadow:0 0 0 2px white,0 0 0 4px var(--primary-color)}.color-btn.black{background:#1a1a1a}.color-btn.beige{background:#d4b896}.color-btn.grey{background:#808080}.color-btn.navy{background:#1e3a5f}.quantity-selector{display:flex;align-items:center;gap:10px}.quantity-input-group{display:flex;border:2px solid var(--border-color);border-radius:8px;overflow:hidden;width:fit-content}.quantity-btn{background:white;border:none;padding:12px 18px;font-size:1.2rem;cursor:pointer;transition:all 0.3s;color:var(--primary-color);font-weight:600}.quantity-btn:hover{background:var(--bg-light)}.quantity-input{border:none;width:60px;text-align:center;font-size:1rem;font-weight:600;border-left:1px solid var(--border-color);border-right:1px solid var(--border-color)}.quantity-input:focus{outline:none}.delivery-info{background:#dbeafe;border-left:4px solid #3b82f6;padding:12px 15px;border-radius:6px;margin:20px 0;display:flex;align-items:center;gap:10px}.delivery-info i{color:#3b82f6;font-size:1.2rem}.delivery-info p{margin:0;font-size:0.9rem;color:var(--primary-color)}.btn-add-cart{background:white;border:2px solid var(--primary-color);color:var(--primary-color);padding:14px 24px;font-weight:600;font-size:1rem;border-radius:8px;transition:all 0.3s;text-transform:uppercase;letter-spacing:0.5px;display:flex;align-items:center;justify-content:center;gap:8px}.btn-add-cart:hover{background:var(--primary-color);color:white;transform:translateY(-2px);box-shadow:0 4px 12px rgba(26,26,26,0.2)}.btn-buy-now{background:var(--success-color);color:white;padding:14px 24px;font-weight:600;font-size:1rem;border:none;border-radius:8px;transition:all 0.3s;display:flex;align-items:center;justify-content:center;gap:8px}.btn-buy-now:hover{background:#15803d;transform:translateY(-2px);box-shadow:0 4px 12px rgba(22,163,74,0.3)}.trust-badges{display:flex;gap:20px;flex-wrap:wrap;margin-top:20px;padding:20px;background:var(--bg-light);border-radius:8px}.trust-badge{display:flex;align-items:center;gap:8px;font-size:0.85rem;color:var(--text-secondary)}.trust-badge i{color:var(--success-color);font-size:1.2rem}.product-tabs{margin-top:40px}.nav-tabs{border-bottom:2px solid var(--border-color)}.nav-tabs .nav-link{color:var(--text-secondary);border:none;border-bottom:3px solid transparent;padding:12px 20px;font-weight:600;transition:all 0.3s}.nav-tabs .nav-link:hover{color:var(--primary-color);border-bottom-color:var(--accent-color)}.nav-tabs .nav-link.active{color:var(--primary-color);border-bottom-color:var(--primary-color);background:transparent}.tab-content{padding:30px 0}.product-features p{margin-bottom:12px;font-size:0.95rem;line-height:1.7;color:var(--primary-color)}.product-features p:last-child{margin-bottom:0}.review-card{border:1px solid var(--border-color);border-radius:8px;padding:20px;margin-bottom:15px}.review-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.reviewer-name{font-weight:600;color:var(--primary-color)}.review-date{color:var(--text-secondary);font-size:0.85rem}.review-rating{color:var(--accent-color);margin-bottom:10px}.product-actions{display:flex;gap:15px;margin-top:20px}.btn-share,.btn-compare{display:inline-flex;align-items:center;gap:8px;background:var(--bg-light);border:1px solid var(--border-color);color:var(--primary-color);padding:10px 20px;border-radius:8px;text-decoration:none;font-weight:500;transition:all 0.3s}.btn-share:hover,.btn-compare:hover{background:white;border-color:var(--primary-color);color:var(--primary-color)}.related-products{padding:60px 0;background:var(--bg-light)}.section-title{font-size:1.75rem;font-weight:700;margin-bottom:30px;color:var(--primary-color)}.related-product-card{background:white;border:1px solid var(--border-color);border-radius:12px;overflow:hidden;transition:all 0.3s;height:100%}.related-product-card:hover{box-shadow:0 8px 24px rgba(0,0,0,0.12);transform:translateY(-4px)}.related-product-img-container{position:relative;overflow:hidden}.related-product-img{width:100%;height:300px;object-fit:cover;transition:transform 0.3s}.related-product-card:hover .related-product-img{transform:scale(1.05)}.related-badge-sale{position:absolute;top:12px;left:12px;background:var(--danger-color);color:white;padding:6px 12px;border-radius:6px;font-size:0.75rem;font-weight:600;text-transform:uppercase}.related-product-content{padding:20px}.related-product-title{font-size:1rem;font-weight:600;color:var(--primary-color);margin:0;line-height:1.4}.footer{background:var(--primary-color);color:white;padding:50px 0 20px}.footer h5,.footer h2{font-size:1.1rem;font-weight:700;margin-bottom:20px}.footer ul{list-style:none;padding:0}.footer ul li{margin-bottom:10px}.footer ul li a{color:rgba(255,255,255,0.8);text-decoration:none;transition:color 0.3s}.footer ul li a:hover{color:white}.social-links{display:flex;gap:15px;margin-top:20px}.social-links a{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:rgba(255,255,255,0.1);border-radius:50%;color:white;text-decoration:none;transition:all 0.3s}.social-links a:hover{background:var(--accent-color);transform:translateY(-2px)}.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);margin-top:30px;padding-top:20px;text-align:center;color:rgba(255,255,255,0.6);font-size:0.9rem}.payment-methods{display:flex;gap:15px;margin-top:20px;flex-wrap:wrap}.payment-icon{background:white;padding:8px 15px;border-radius:6px;font-size:1.5rem}@media (max-width:768px){.product-title{font-size:1.5rem}.price-sale{font-size:1.5rem}.product-section{padding:20px 0}.size-selector,.color-selector{gap:8px}.trust-badges{gap:15px}}
.bottom-buy-bar.visible{opacity:1;transform:translateY(0);pointer-events:auto}
@media (max-width:768px){.product-meta{gap:10px}.product-actions{display:grid;grid-template-columns:1fr;gap:10px}.btn-share,.btn-compare{width:100%;justify-content:center}.nav-tabs{flex-wrap:nowrap;overflow-x:auto;overflow-y:hidden;scrollbar-width:thin;-webkit-overflow-scrolling:touch}.nav-tabs .nav-link{white-space:nowrap;padding:10px 14px}.review-header{flex-direction:column;align-items:flex-start;gap:4px}.footer{padding-bottom:95px}}@media (max-width:576px){.product-title{font-size:1.3rem}.price-sale{font-size:1.3rem}.badge-sale{font-size:.68rem;padding:5px 10px}.size-btn{min-width:52px;padding:10px 12px}.color-btn{width:42px;height:42px}.quantity-input{width:48px}.social-links{justify-content:center}}