/* Reset và font cơ bản */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Be Vietnam Pro', sans-serif;
}

body {
    font-family: 'Be Vietnam Pro', sans-serif;
    background-color: #F0EAE5;
    color: #333;
    line-height: 1.6; /* căn chỉnh theo chiều dọc và khoảng cách 1.6 */
}

/* Header và Navigation */
header {
    background-color: #38302E; /* Hồng đậm hơn */
    padding: 10px 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav h1 {
    color: white;
    font-size: 24px;
    font-weight: 600;
}

nav ul {
    list-style: none;
    display: flex;
    overflow: visible;
    position: relative;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: 400;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #ffccdd;
}

/* Main content */
main {
    display: flex;
    padding: 20px;
}

/* Sidebar cho Cart */
.sidebar {
    width: 250px;
    background-color: #D6D3D1; /* màu thẻ */
    padding: 20px;
    border-radius: 10px;
    margin-left: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 20px;
    height: fit-content;
    display: block;
}

.sidebar h2 {
    color: #4B352A;
    margin-bottom: 15px;
}

.cart-item {
    display: block;
    align-items: center;
    margin-bottom: 10px;
    padding: 10px;
    background-color: white;
    border-radius: 5px;
    gap: 10px;
    /* margin: 5px 0; */
}

.cart-item img {
    width: 50px;
    height: 50px;
    border-radius: 5px;
    margin-right: 10px;
}

.cart-item p {
    font-size: 14px;
}

#cart-total {
    margin-top: 5px;
    font-size: 16px;
    color: #38302E; 
}

/* Content chính */
.content {
    flex: 1;
}

section {
    margin-bottom: 40px;
    background-color: #D6D3D1; /* màu thẻ nè */
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

section h2 {
    color: #4B352A;
    margin-bottom: 20px;
    font-weight: 600;
}

/* Products grid */
.products {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.product {
    background-color: #F0EAE5;
    padding: 15px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s;
}

.product:hover {
    transform: scale(1.05);
}

/* .product img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
} */

.product h3 {
    margin: 10px 0;
    color: #4B352A;
}

.product p {
    color: #4B352A;
}

.product button {
    background-color: #38302E;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 10px;
    transition: background-color 0.3s;
}

.product button:hover {
    background-color: #ff6699;
}

/* Reviews, Notifications, Transactions */
.review, .notification, .transaction {
    margin-bottom: 10px;
    padding: 10px;
    background-color: #F0EAE5;
    border-radius: 5px;
}

.review p, .notification p, .transaction p {
    font-size: 14px;
}

/* Footer */
footer {
    background-color: #38302E;
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 20px;
}

footer p {
    margin-bottom: 10px;
}

footer .social {
    display: flex;
    justify-content: center;
    gap: 15px;
}

footer .social a {
    color: white;
    font-size: 20px;
    transition: color 0.3s;
}

footer .social a:hover {
    color: #ffccdd;
}

#logo-trang {
    width: auto;
    height: 55px;
}

#nav-bar-head {
    display: flex;
    align-items: center;
}

header nav #nav-bar-head p{
    margin: 0;
}

/* bổ sung giao dịch */
.transaction-control {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}
.status.delivered { 
    color: green; font-weight: bold; 
}
.status.processing { 
    color: orange; font-weight: bold; 
}

.transaction {
    border: 1px solid #eee;
    padding: 10px;
    margin: 10px 0;
    border-radius: 8px;
    transition: transform 0.2s;
    display: flex; /* */
}
.transaction:hover {
    transform: scale(1.02);
    background: #fafafa;
    cursor: pointer;
}
.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fff5f8;
    padding: 5px;
    margin-bottom: 5px;
    border-radius: 6px;
}

.remove-item {
    background: red;
    border: none;
    color: white;
    padding: 4px 8px;
    border-radius: 6px;
    cursor: pointer;
}
.remove-item:hover { 
    opacity: 0.8;
}

.notification-popup {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    text-align: center;
    z-index: 1000;
}

.notification-popup button {
    margin-top: 10px;
    padding: 5px 15px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

/* Section khách hàng - ẩn ban đầu */
#customer-info {
    display: none;
    width: 100%;             /* chiếm ngang bằng các section khác */
    box-sizing: border-box;
    background-color: #F0EAE5; /* màu hồng nhạt dùng trong sản phẩm */
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border: 1px solid #e0d6d3;
}

/* Khi hiển thị */
#customer-info.show {
    display: block;          /* hiển thị như các section khác */
    margin-top: 20px;
}

#customer-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

#customer-form label {
    font-size: 15px;
    color: #4B352A;
    font-weight: 500;
}

#customer-form input,
#customer-form textarea {
    padding: 10px;
    border-radius: 8px;
    border: 1px solid #ccc;
    background: white;
    font-size: 14px;
    transition: all 0.2s ease-in-out;
}

#customer-form button {
    background-color: #38302E;
    color: white;
    border: none;
    padding: 12px;
    font-size: 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#customer-form button:hover {
    background-color: #ff6699;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.dropdown-menu.right{
    inset-inline-start: auto;
    inset-inline-end: 0;
}

.dropdown-menu {
    display: none;
    position: absolute;
    margin: 0;       /* xóa margin mặc định */
    padding: 0;      /* xóa padding mặc định */
    inset-inline-start: 0;   /* thay cho left:0 */
    inset-inline-end: auto;  /* thay cho right:auto */
    top: 100%; 
    left: 0;
    list-style: none;
    min-width: 160px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.dropdown-menu li a {
    padding: 10px 15px; 
    display: block;
    color: #38302E;
    white-space: nowrap; /* không bị xuống dòng */
}

.dropdown-menu li a:hover {
    background-color: #38302E;
}

/* Hiện dropdown khi hover */
.dropdown:hover .dropdown-menu {
    display: block;
}

.iframe {
    display: block;
    margin: 16px auto;
    width: 100%;
    max-width: 560px; /* default desktop embed width */
    aspect-ratio: 16 / 9;
    height: auto;
    border: 0;
    border-radius: 8px;
}

/* Responsive rules (mobile-first adjustments) */
/* Tablet and up tweaks */
@media (max-width: 1024px) {
    .products {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 18px;
    }
    .sidebar {
        width: 220px;
    }
}

/* Small tablets / large phones */
@media (max-width: 768px) {
    header {
        padding: 12px 14px;
    }
    nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    nav h1 {
        font-size: 20px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    nav ul {
        flex-wrap: wrap;
        gap: 8px;
    }
    main {
        flex-direction: column;
        padding: 14px;
    }
    .content {
        width: 100%;
    }
    .sidebar {
        width: 100%;
        margin-left: 0;
        margin-top: 16px;
        position: static;
        top: auto;
    }
    section {
        padding: 14px;
    }
    .product {
        padding: 12px;
    }
}

/* Phones */
@media (max-width: 480px) {
    nav h1 {
        font-size: 18px;
    }
    nav ul {
        display: flex;
        flex-direction: column;
        width: 100%;
        padding-left: 0;
    }
    nav ul li {
        margin-left: 0;
        margin-bottom: 8px;
    }
    .products {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .product {
        padding: 12px;
    }
    .product img,
    .carousel-item img {
        width: 100% !important;
        height: auto !important;
        object-fit: cover;
        border-radius: 8px;
    }
    .product button,
    #customer-form button,
    .sidebar button {
        width: 100%;
        box-sizing: border-box;
    }
    .cart-item img {
        width: 40px;
        height: 40px;
    }
    .transaction {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    .dropdown-menu {
        position: static;
        top: auto;
        left: auto;
        box-shadow: none;
        width: 100%;
        border-radius: 6px;
    }
    .notification-popup {
        max-width: 94%;
        padding: 12px;
    }
    /* Make iframe fit small screens while maintaining aspect ratio */
    .iframe {
        max-width: 100%;
        aspect-ratio: 16 / 9;
        height: auto;
    }
    #customer-form input,
    #customer-form textarea {
        width: 100%;
    }
    footer {
        padding: 14px;
    }
}

/* Very small devices */
@media (max-width: 360px) {
    nav h1 p {
        display: none; /* hide long title on very small screens to save space */
    }
    #logo-trang {
        height: 44px;
    }
    nav h1 {
        gap: 6px;
    }
    /* tighter iframe for very small devices */
    .iframe {
        max-width: 320px;
        width: 94%;
    }
}