/* Tông màu chủ đạo giống Thế Giới Di Động */
:root {
    --tgdd-yellow: #ffd400;
    --tgdd-black: #333;
}

body {
    background-color: #f3f3f3;
}

/* Header & Nav */
.top-header {
    background-color: var(--tgdd-yellow);
}

.logo img {
    height: 40px;
    object-fit: contain;
}

.logo h1 span {
    background: #000;
    color: var(--tgdd-yellow);
    padding: 2px 5px;
    border-radius: 4px;
    margin-left: 2px;
}

.main-nav {
    background-color: #fed100;
    border-bottom: 1px solid #e5bb00;
}

.main-nav .nav-link {
    color: #000 !important;
    font-weight: 600;
    font-size: 13px;
    transition: 0.3s;
}

.main-nav .nav-link:hover {
    background: #fff;
}

/* Product Card */
.product-item {
    transition: all 0.3s ease;
    background: #fff;
}

.shadow-hover:hover {
    box-shadow: 0 10px 20px rgba(0,0,0,0.1) !important;
    transform: translateY(-5px);
}

.object-fit-cover {
    object-fit: cover;
}

/* Responsive tinh chỉnh */
@media (max-width: 768px) {
    .logo h1 { font-size: 1.1rem; }
    .main-nav .nav-link { font-size: 11px; padding: 10px !important; }
}