:root{--brand:#2874f0;--dark:#172337}body{background:#f5f6f8;color:#212121}.navbar{background:var(--brand)!important}.navbar-brand,.nav-link{color:#fff!important}.hero{background:linear-gradient(120deg,#2874f0,#5b9cff);color:white;border-radius:14px;padding:34px}.card{border:0;border-radius:12px;box-shadow:0 2px 12px rgba(0,0,0,.07)}.product-img{height:220px;object-fit:contain;padding:18px;background:#fff;border-radius:12px 12px 0 0}.product-detail-img{height:470px;object-fit:contain;background:#fff;border-radius:8px}.product-card{transition:.15s}.product-card:hover{transform:translateY(-3px)}.price{font-size:1.25rem;font-weight:700}.old-price{text-decoration:line-through;color:#777;font-size:.9rem}.badge-stock{background:#e8f5e9;color:#198754}.rating{font-weight:700;color:#d68a00}.footer{background:#172337;color:#cbd5e1}.admin-sidebar{background:#172337;min-height:calc(100vh - 56px)}.admin-sidebar a{color:#fff;display:block;padding:10px 14px;text-decoration:none;border-radius:6px}.admin-sidebar a:hover{background:#26364d}.kpi{min-height:120px}.kpi h3{margin-top:8px}.insight{padding:7px 0}.cart-img{width:100px;height:90px;object-fit:contain;background:#fff;border-radius:8px}.spec-text{white-space:pre-line}.carousel-control-prev-icon,.carousel-control-next-icon{filter:invert(1)}