.checkout-grid{grid-template-columns:1.6fr 1.1fr;gap:36px;margin-bottom:60px;display:grid}.checkout-section{background:var(--white);border-radius:var(--radius-lg);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);margin-bottom:24px;padding:30px}.checkout-section-title{color:var(--dark);border-bottom:1px solid var(--border-color);align-items:center;gap:10px;margin-bottom:20px;padding-bottom:12px;font-size:1.25rem;font-weight:800;display:flex}.checkout-section-title i{color:var(--primary);font-size:1.2rem}.form-row{grid-template-columns:1fr 1fr;gap:16px;display:grid}.form-row-3{grid-template-columns:1fr 1fr 1fr;gap:14px;display:grid}.payment-methods{flex-direction:column;gap:14px;display:flex}.payment-option{border:2px solid var(--border-color);border-radius:var(--radius);cursor:pointer;transition:var(--transition);justify-content:space-between;align-items:center;padding:16px;display:flex}.payment-option:hover{border-color:#fed7aa}.payment-option.active{border-color:var(--primary);background:var(--primary-light)}.payment-option-left{align-items:center;gap:12px;display:flex}.payment-option-left input[type=radio]{accent-color:var(--primary);width:18px;height:18px}.payment-option-title{color:var(--dark);font-size:.95rem;font-weight:700}.payment-option-desc{color:var(--gray);font-size:.8rem}.payment-icons{gap:6px;display:flex}.payment-icons img{width:auto;height:24px}.order-summary-box{background:var(--white);border-radius:var(--radius-lg);border:1px solid var(--border-color);box-shadow:var(--shadow);padding:30px;position:sticky;top:100px}.order-items-list{max-height:280px;margin-bottom:20px;padding-right:6px;overflow-y:auto}.order-item{border-bottom:1px dashed var(--border-color);justify-content:space-between;align-items:center;padding:12px 0;display:flex}.order-item-left{align-items:center;gap:12px;display:flex}.order-item-img{border-radius:var(--radius-sm);border:1px solid var(--border-color);flex-shrink:0;width:50px;height:50px;position:relative;overflow:hidden}.order-item-img img{object-fit:cover;width:100%;height:100%}.order-item-qty{background:var(--dark);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;font-size:.7rem;font-weight:800;display:flex;position:absolute;top:-4px;right:-4px}.order-item-name{color:var(--dark);-webkit-line-clamp:1;-webkit-box-orient:vertical;max-width:180px;font-size:.9rem;font-weight:700;display:-webkit-box;overflow:hidden}.order-item-price{color:var(--dark);font-size:.95rem;font-weight:800}.coupon-group{gap:8px;margin-bottom:20px;display:flex}.coupon-group input{border:1px solid var(--border-color);border-radius:var(--radius);background:#f8fafc;flex:1;padding:10px 14px;font-size:.9rem}.coupon-group button{background:var(--dark);color:var(--white);border-radius:var(--radius);padding:0 16px;font-size:.85rem;font-weight:700}.checkout-btn{border-radius:var(--radius);background:var(--primary);width:100%;color:var(--white);margin-top:20px;padding:16px;font-size:1.1rem;font-weight:900;box-shadow:0 6px 18px #f27a2466}.checkout-btn:hover{background:var(--primary-hover);transform:translateY(-2px)}@media (width<=900px){.checkout-grid,.form-row,.form-row-3{grid-template-columns:1fr}}