/* Reset CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

/* Body */
body {
    background-color: #e9ecef; /* Xám nhạt thay cho hồng nhạt #fef2f4 */
    color: #343a40; /* Xám đậm thay cho #4a4a4a */
}

/* Header */
header {
    padding: 15px 50px;
    background: linear-gradient(90deg, #007bff, #66b0ff, #cce5ff); /* Xanh dương đậm -> nhạt thay cho hồng */
    border-bottom: 1px solid #66b0ff; /* Viền xanh thay cho #ffb6c1 */
    box-shadow: 0 2px 10px rgba(0, 123, 255, 0.3); /* Bóng xanh thay cho hồng */
}

/* Header Container */
.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo-section {
    flex-shrink: 0;
    margin-right: 30px;
}

.logo {
    height: 50px;
    display: block;
}

/* Search Section */
.search-section {
    flex-grow: 1;
    max-width: 500px;
}

.search-section form {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.3); /* Giữ độ trong suốt */
    border-radius: 25px;
    padding: 5px;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.2); /* Bóng xanh thay cho hồng */
    transition: all 0.3s ease;
}

.search-section form:hover {
    background: rgba(255, 255, 255, 0.5);
}

.search-input {
    padding: 12px 15px;
    border: none;
    border-radius: 20px 0 0 20px;
    width: 100%;
    font-size: 16px;
    outline: none;
    background: transparent;
    color: #fff; /* Giữ chữ trắng cho tương phản */
}

.search-input::placeholder {
    color: #cce5ff; /* Xanh nhạt thay cho #ffe6eb */
}

.search-input:focus {
    border-color: #0056b3; /* Xanh đậm thay cho #ff4d6d */
}

.search-button {
    padding: 12px 20px;
    background: linear-gradient(90deg, #0056b3, #3399ff); /* Xanh đậm -> sáng thay cho hồng */
    color: white;
    border: none;
    border-radius: 0 20px 20px 0;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.search-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 86, 179, 0.5); /* Bóng xanh đậm */
}

/* Contact Section */
.contact-section {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-left: 30px;
}

.contact-section a {
    color: #f8f9fa; /* Xám trắng thay cho #fff4e6 */
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}

.contact-section a:hover {
    color: #cce5ff; /* Xanh nhạt thay cho #ffccd5 */
}

.cart-count {
    background-color: #0056b3; /* Xanh đậm thay cho #ff4d6d */
    color: white;
    border-radius: 50%;
    padding: 2px 6px;
    font-size: 12px;
    margin-left: 5px;
}

/* User Menu */
.user-menu {
    position: relative;
    display: inline-block;
    cursor: pointer;
}

.user-icon {
    font-size: 24px;
    margin-right: 5px;
    vertical-align: middle;
    color: #f8f9fa; /* Xám trắng thay cho #fff4e6 */
}

.user-info {
    color: #f8f9fa; /* Xám trắng thay cho #fff4e6 */
    font-weight: bold;
}

.dropdown-menu {
    display: none;
    position: absolute;
    right: 0;
    background-color: #fff; /* Giữ trắng cho dropdown */
    min-width: 150px;
    box-shadow: 0px 8px 16px rgba(0, 123, 255, 0.2); /* Bóng xanh thay cho hồng */
    border-radius: 5px;
    z-index: 1;
}

.dropdown-menu a {
    color: #007bff; /* Xanh dương thay cho #ff6b95 */
    padding: 10px 15px;
    text-decoration: none;
    display: block;
    font-weight: normal;
}

.dropdown-menu a:hover {
    background-color: #e9ecef; /* Xám nhạt thay cho #ffe6eb */
}

.user-menu:hover .dropdown-menu {
    display: block;
}

/* Container */
.container {
    display: flex;
    margin: 20px auto;
    max-width: 1200px;
}

/* Product List */
.product-list {
    flex-grow: 1;
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.product {
    background: #f8f9fa; /* Xám trắng thay cho #fff */
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 123, 255, 0.1); /* Bóng xanh thay cho hồng */
    text-align: center;
    width: 250px;
    height: 400px;
    transition: transform 0.5s ease-out, box-shadow 0.3s ease;
    border: 1px solid #cce5ff; /* Viền xanh nhạt thay cho #ffe6eb */
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
}

.product:hover {
    transform: scale(1.05);
    box-shadow: 5px 5px 15px rgba(0, 123, 255, 0.3); /* Bóng xanh thay cho hồng */
}

.product-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: 10px;
}

.product img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
}

.product__discount {
    position: absolute;
    top: 10px;
    left: 10px;
    background: #0056b3; /* Xanh đậm thay cho #ff4d6d */
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 12px;
    font-weight: bold;
}

.product h3 {
    font-size: 15px;
    margin: 10px 0;
    color: #007bff; /* Xanh dương thay cho #ff6b95 */
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.price {
    color: #0056b3; /* Xanh đậm thay cho #ff4d6d */
    font-weight: bold;
    font-size: 18px;
    margin-bottom: 10px;
}

.product-buttons {
    display: flex;
    justify-content: space-between;
    gap: 5px;
}

.product__button {
    flex: 1;
    padding: 8px;
    cursor: pointer;
    border: none;
    background: linear-gradient(90deg, #007bff, #66b0ff); /* Xanh dương thay cho hồng */
    color: white;
    border-radius: 5px;
    text-decoration: none;
    transition: background 0.3s;
    font-size: 14px;
}

.product__button:hover {
    background: linear-gradient(90deg, #0056b3, #3399ff); /* Xanh đậm -> sáng thay cho hồng */
}

/* Footer */
footer {
    text-align: center;
    padding: 10px;
    background: linear-gradient(90deg, #007bff, #66b0ff); /* Xanh dương thay cho hồng */
    margin-top: 20px;
    color: #fff;
}

.copy-right::before {
    content: "";
    display: inline-block;
    width: 100%;
    height: 0.5px;
    background-color: rgba(255, 255, 255, 0.4);
}

/* Ad Banner */
/* Ad Banner Improvements */
.ad-banner {
    max-width: 1200px;
    margin: 20px auto;
    height: 200px; /* Tăng chiều cao để hình ảnh rõ hơn */
    position: relative;
    overflow: hidden;
    background: #f8f9fa;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0, 123, 255, 0.2);
}

.ad-banner-inner {
    display: flex;
    height: 100%;
    width: 300%; /* 3 ảnh, mỗi ảnh 100% */
    transition: transform 0.5s ease-in-out;
}

.ad-banner-inner img {
    width: 33.33%; /* Mỗi ảnh chiếm 1/3 chiều rộng */
    height: 100%;
    object-fit: cover;
}

.ad-prev, .ad-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 123, 255, 0.7);
    color: white;
    border: none;
    padding: 10px;
    cursor: pointer;
    font-size: 18px;
    border-radius: 50%;
    transition: background 0.3s;
}

.ad-prev:hover, .ad-next:hover {
    background: rgba(0, 86, 179, 0.9);
}

.ad-prev {
    left: 10px;
}

.ad-next {
    right: 10px;
}

.ad-dots {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
}

.dot {
    width: 10px;
    height: 10px;
    background: #ccc;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.3s;
}

.dot.active {
    background: #0056b3;
}