/* Reset và style chung */
body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Card sản phẩm */
.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    border-radius: 15px;
    overflow: hidden;
    height: 100%;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.card-img-top {
    height: 250px;
    object-fit: cover;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Badge giảm giá và mới */
.badge-sale {
    position: absolute;
    top: 10px;
    right: 10px;
    background: #ff4757;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: bold;
}

/* Giá sản phẩm */
.price {
    font-size: 1.3rem;
    font-weight: bold;
    color: #2d3436;
}

.old-price {
    text-decoration: line-through;
    color: #b2bec3;
    font-size: 0.9rem;
    margin-left: 10px;
}

/* Nút mua hàng */
.btn-custom {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    padding: 10px 25px;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.btn-custom:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
    color: white;
}

/* Tùy chọn màu sắc */
.color-options {
    display: flex;
    gap: 5px;
    margin: 10px 0;
}

.color-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid #fff;
    box-shadow: 0 0 0 1px #ddd;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.color-dot:hover {
    transform: scale(1.2);
}

/* Container */
.container {
    padding-top: 40px;
    padding-bottom: 40px;
}

/* Đánh giá sao */
.star-rating {
    color: #ffa502;
}

/* Navbar */
.navbar {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}