* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	font-family: 'Helvetica Neue', Arial, sans-serif;
	line-height: 1.6;
	color: #333;
	background-color: #f9f9f9;
}

/* Header */
header {
	background-color: #fff;
	box-shadow: 0 2px 10px rgba(0,0,0,0.1);
	position: sticky;
	top: 0;
	z-index: 100;
	text-align: middle;
}

.top-bar {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 15px 5%;
}

.logo {
	font-size: 28px;
	font-weight: 700;
	color: #000;
	text-decoration: none;
}

.logo span {
	color: #e63946;
}

nav ul {
	display: flex;
	list-style: none;
	align-items: center;
}

nav ul li {
	margin-left: 30px;
}

nav ul li a {
	text-decoration: none;
	color: #333;
	font-weight: 500;
	transition: color 0.3s;
}

nav ul li a:hover {
	color: #e63946;
}

.cart-count {
  background: #e63946;
  color: #fff;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 12px;
  margin-left: 4px;
}

/* Search Container trong header */
.search-container {
    flex: 1;
    max-width: 500px;
    margin: 0 30px;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

#search-input {
    width: 100%;
    padding: 10px 20px;
    border: 2px solid #e63946;
    border-radius: 30px;
    font-size: 14px;
    transition: all 0.3s;
}

#search-input:focus {
    outline: none;
    box-shadow: 0 0 8px rgba(230, 57, 70, 0.3);
}

.search-btn {
    position: absolute;
    right: 15px;
    background: none;
    border: none;
    color: #e63946;
    cursor: pointer;
    font-size: 16px;
}

/* Content */
/* Hero Section */
/* Slideshow Hero Section */
.slideshow-container {
    position: relative;
    height: 80vh;
    overflow: hidden;
}

.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.7);
}

.slide.fade {
    opacity: 1;
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 10%;
    transform: translateY(-50%);
    max-width: 600px;
    color: #fff;
    z-index: 2;
    animation: fadeInUp 1s ease-out;
}

/* Navigation arrows */
.prev, .next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    padding: 16px;
    margin-top: -22px;
    color: white;
    font-weight: bold;
    font-size: 28px;
    transition: 0.6s ease;
    border-radius: 0 3px 3px 0;
    user-select: none;
    z-index: 3;
    background-color: rgba(0,0,0,0.2);
}

.next {
    right: 0;
    border-radius: 3px 0 0 3px;
}

.prev:hover, .next:hover {
    background-color: rgba(0,0,0,0.8);
}

/* Dots indicator */
.dots-container {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.dot {
    cursor: pointer;
    height: 15px;
    width: 15px;
    margin: 0 5px;
    background-color: rgba(255,255,255,0.5);
    border-radius: 50%;
    display: inline-block;
    transition: background-color 0.6s ease;
}

.dot.active, .dot:hover {
    background-color: #e63946;
}

/* Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20%) translateY(-50%);
    }
    to {
        opacity: 1;
        transform: translateY(-50%);
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero-content {
        left: 5%;
        padding-right: 5%;
    }
    
    .hero-content h1 {
        font-size: 28px;
    }
    
    .hero-content p {
        font-size: 16px;
    }
}

/* All button */
.btn {
	display: inline-block;
	padding: 12px 30px;
	background-color: #e63946;
	color: #fff;
	text-decoration: none;
	border-radius: 30px;
	font-weight: 600;
	transition: background-color 0.3s;
}

.btn:hover {
	background-color: #c1121f;
}

/* banner trưng bày thời trang nổi bật */
/* Fashion Showcase Section */
.fashion-showcase {
    padding: 4rem 2rem;
    background: #f9f9f9;
    text-align: center;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 2rem auto 0;
}

.showcase-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
	text-decoration: none;
}

.showcase-item:hover {
    transform: scale(1.02);
}

.showcase-item img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
}

.showcase-caption {
    padding: 1.5rem;
    background: white;
}

.showcase-caption h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.showcase-caption p {
    color: #666;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .showcase-grid {
        grid-template-columns: 1fr;
    }
    
    .showcase-item img {
        height: 350px;
    }
}


/* Collections */
.section-title {
	text-align: center;
	margin: 60px 0 40px;
	font-size: 32px;
}

.collections {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 30px;
	padding: 0 5%;	
}

.collection-card {
	background-color: #fff;
	border-radius: 8px;
	overflow: hidden;
	box-shadow: 0 5px 15px rgba(0,0,0,0.1);
	transition: transform 0.3s;
	text-decoration: none;
	color: black;
}

.collection-card:hover {
	transform: translateY(-10px);
}

.collection-img {
	height: 400px;
	width: 100%;
	object-fit: cover;
}

.collection-info {
	padding: 20px;
}

.collection-info h3 {
	margin-bottom: 10px;
	font-size: 22px;
}

.collection-info p {
	color: #666;
	margin-bottom: 15px;
}


/* Newsletter */
.newsletter {
	background-color: #f1faee;
	padding: 60px 5%;
	margin: 80px 0;
	text-align: center;
}

.newsletter h2 {
	margin-bottom: 20px;
}

.newsletter p {
	max-width: 600px;
	margin: 0 auto 30px;
}

.newsletter-form {
	display: flex;
	max-width: 500px;
	margin: 0 auto;
	justify-content: center;
}

.newsletter-form input {
	flex: 1;
	padding: 15px;
	border: 1px solid #ddd;
	border-radius: 30px 0 0 30px;
	font-size: 16px;
}

.newsletter-form button {
	padding: 15px 30px;
	background-color: #e63946;
	color: #fff;
	border: none;
	border-radius: 30px;
	cursor: pointer;
	font-weight: 600;
}

.newsletter-form button:hover {
    background-color: #ff3b2d;
}

/* test footer */



/* Header */
/* Footer */
footer {
	background-color: #1d3557;
	color: #fff;
	padding: 60px 5% 30px;
	flex-wrap: nowrap;
	
	position: static;
	z-index: 100;
    bottom: 0px;
    width: 100%;
    height: auto;
}

.footer-content {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: 40px;
	margin-bottom: 40px;
}

.footer-column h3 {
	margin-bottom: 20px;
	font-size: 18px;
}

.footer-column ul {
	list-style: none;
}

.footer-column ul li {
	margin-bottom: 10px;
}

.footer-column ul li a {
	color: #a8dadc;
	text-decoration: none;
	transition: color 0.3s;
}

.footer-column ul li a:hover {
	color: #fff;
}

.social-icons {
	display: flex;
	gap: 15px;
}

.social-icons a {
	color: #fff;
	font-size: 20px;
}

.copyright {
	text-align: center;
	padding-top: 30px;
	border-top: 1px solid rgba(255,255,255,0.1);
	color: #a8dadc;
}

.product-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
  padding: 20px;
}


/* Thêm vào giỏ hàng */
.add-to-cart{
	background-color: #e63946;
	color: #fff;
	border: none;
	padding: 10px 20px;
	margin-top: 15px;
	border-radius: 20px;
	cursor: pointer;
	font-weight: 600;
	transition: background-color 0.3s ease, transform 0.2s;
}

.add-to-cart:hover {
  background-color: #c1121f;
}

.toast-message {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: #e63946;
    color: #fff;
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 500;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 9999;
}

.toast-message.show {
    opacity: 1;
}

/* === Xu hướng === */
.main-banner {
	position: relative;
	width: 100%;
	overflow: hidden;
	margin-top: 30px;
	margin-bottom: 60px;
	border-radius: 20px;
	box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.main-banner-inner {
	position: relative;
	width: 100%;
	height: 60vh;
}

.main-banner-img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	filter: brightness(0.6);
}

.banner-overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(to top right, rgba(0, 0, 0, 0.4), rgba(255, 0, 85, 0.3));
	z-index: 1;
}

.banner-caption {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	color: #fff;
	text-align: center;
	z-index: 2;
}

.banner-caption h2 {
	font-size: 3rem;
	margin-bottom: 0.5rem;
	letter-spacing: 2px;
	text-shadow: 2px 2px 5px rgba(0,0,0,0.6);
}

.banner-caption .tagline {
	font-size: 1.2rem;
	margin-bottom: 1.5rem;
	text-shadow: 1px 1px 4px rgba(0,0,0,0.4);
}

.btn-banner {
	background-color: #e63946;
	color: #fff;
	padding: 12px 30px;
	font-size: 1rem;
	border-radius: 30px;
	text-decoration: none;
	transition: background 0.3s ease;
}

.btn-banner:hover {
	background-color: #c91c30;
}


/* === Bài viết nổi bật === */
.featured-articles {
  padding: 60px 5%;
  background: #fafafa;
}
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}
.article-card {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  display: flex;
  flex-direction: column;
}
.article-card img {
  width: 100%;
  height: auto;
}
.article-content {
  padding: 20px;
}
.article-content h3 {
  font-size: 20px;
  margin-bottom: 10px;
}
.article-content p {
  font-size: 14px;
  color: #555;
  margin-bottom: 15px;
}

/* -- */
/* Bài viết nổi bật */
.article-card {
    position: relative;
    transition: transform 0.3s;
}

.article-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: #e63946;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
}

.article-meta {
    display: flex;
    gap: 15px;
    color: #666;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.article-card:hover {
    transform: translateY(-5px);
}

/* -- */

/* Chuyên mục */
/* === Category === */
.category-section {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  padding: 60px 5%;
  background: #fff;
}
.category {
  flex: 1 1 250px;
}
.category h2 {
  font-size: 22px;
  margin-bottom: 15px;
}
.category ul {
  list-style: none;
  padding: 0;
}
.category li {
  margin-bottom: 10px;
}
.category a {
  text-decoration: none;
  color: #e63946;
  font-weight: 500;
}
.category a:hover {
  text-decoration: underline;
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: #e63946;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: #c1121f;
    transform: translateY(-3px);
}

/* ---------------------------------------- */

/* Cho Mobile */
@media only screen and (max-width: 768px){
	.top-bar {
		/* flex-direction: column; */
		/* padding: 15px; */
		flex-wrap: wrap;
		
		align-items: flex-start;
		position: relative;
	}
	nav ul {
		max-height: 0;
		overflow: hidden;
		transition: max-height 0.4s ease;
		flex-direction: column;
		width: 100%;
		background-color: #fff;
		position: absolute;
		top: 60px;
		left: 0;
		padding: 0;
		box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
		
	}
	
	nav ul li {
		margin: 10px 0;
		text-align: center;
	}
	
	nav ul.show {
		max-height: 500px;
		opacity: 1;
		padding: 15px 0;
	}
	
	.hero h1 {
		font-size: 32px;
	}

	.mobile-menu-btn {
		display: block;
		position: absolute;
		right: 5%;
		top: 18px;
		z-index: 101;
		font-size: 28px; 
		background: none;
		border: none;
		cursor: pointer;
		color: #e63946;
		transition: transform 0.3s ease, opacity 0.3s ease;
	}
	
	.mobile-menu-btn:hover {
		transform: scale(1.2);
		opacity: 0.8;
	}
	
	#searchInput {
        width: 80%; /* Kích thước ô tìm kiếm trên di động */
        padding: 8px;
    }

    #searchIcon {
        display: inline-block;
    }
	
	#chat{
		display; none;
	}
	
	.collections {
		grid-template-columns: 1fr;
	}
		.hero h1 {
		font-size: 2rem;
	}
	.search-box {
		width: 100%;
    }
	
	/* - Hero Section - */
	.hero-content h1 {
        font-size: 24px;
    }

    .hero-content p {
        font-size: 14px;
    }

    .hero .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
	
	/* - Bộ sưu tập sản phẩm (collections, fashion-showcase) - */
	.collections,
    .showcase-grid {
        flex-direction: column;
        gap: 20px;
    }

    .collection-card,
    .showcase-item {
        width: 100%;
        text-align: center;
    }

    .collection-card img,
    .showcase-item img {
        width: 100%;
        height: auto;
    }
	
	/* - bài viết nổi bật (featured-articles) - */
	.articles-grid {
        flex-direction: column;
        gap: 30px;
    }

    .article-card {
        width: 100%;
    }

    .article-content p {
        font-size: 14px;
    }
	
	/* - chuyên mục (category-section) - */
	.category-section {
        flex-direction: column;
    }

    .category {
        width: 100%;
        margin-bottom: 20px;
    }
	
	/* - Newsletter và Footer - */
	.newsletter-form {
        flex-direction: column;
    }

    .newsletter-form input,
    .newsletter-form button {
        border-radius: 30px;
        width: 100%;
        margin-bottom: 10px;
    }

    .footer-content {
        flex-direction: column;
        gap: 30px;
    }

    .footer-column {
        width: 100%;
        text-align: center;
    }

    .social-icons {
        justify-content: center;
    }
}

/* Cho Tablet */
/* CSS cập nhật để cải thiện giao diện ở chế độ tablet */

@media only screen and (min-width: 768px) and (max-width: 1024px) {
	/* Sửa lỗi xuống dòng ở header */
	.top-bar {
		flex-wrap: nowrap;
		align-items: center;
		gap: 20px;
	}
	
	nav ul {
		flex-wrap: wrap;
		justify-content: flex-end;
		row-gap: 10px;
	}
	
	nav ul li {
		margin-left: 20px;
		white-space: nowrap;
	}
	
	.search-container {
		max-width: 300px;
		flex-shrink: 0;
	}
	
	/* Điều chỉnh kích thước sản phẩm trong collections và showcase */
	.collections,
	.showcase-grid,
	.articles-grid {
		grid-template-columns: repeat(2, 1fr);
		gap: 20px;
	}
	
	.collection-card,
	.showcase-item,
	.article-card {
		width: 100%;
	}
	
	/* Tăng khoảng cách cho các section */
	.section-title {
		font-size: 28px;
		margin-top: 40px;
		margin-bottom: 20px;
	}
	
	.newsletter-form {
		flex-direction: column;
		align-items: center;
		gap: 10px;
	}
	
	.newsletter-form input,
	.newsletter-form button {
		width: 100%;
	}

	/* Footer định dạng đẹp hơn */
	.footer-content {
		grid-template-columns: repeat(2, 1fr);
		gap: 30px;
		height: 840px;
		background-color:#e63946;
	}
	
	.footer-column ul li {
		white-space: nowrap;
	}
	
	.category-section {
		flex-wrap: wrap;
		gap: 20px;
	}
	
	.category {
		flex: 1 1 45%;
	}
	
	.main-banner-inner {
		height: 50vh;
	}
	
	.hero-content {
		max-width: 90%;
		left: 5%;
	}
	
	.hero-content h1 {
		font-size: 26px;
	}
	
	.hero-content p {
		font-size: 14px;
	}
}


/* ------------------------------------- */
/* Nút trong menu */
.auth-buttons {
    display: flex;
    gap: 10px;
    align-items: center;
}

.btn-nav {
    padding: 8px 14px;
    border-radius: 20px;
    background-color: transparent;
    color: #e63946;
    border: 1px solid #e63946;
    font-weight: 500;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-nav:hover {
    background-color: #e63946;
    color: white;
}

.btn-register {
    background-color: #e63946;
    color: white;
}

.btn-register:hover {
    background-color: #c82333;
}

.btn-logout {
    background-color: transparent;
    border: none;
    color: #555;
    cursor: pointer;
}

.btn-logout:hover {
    text-decoration: underline;
}

.welcome-user {
    margin-right: 10px;
    font-weight: bold;
    color: #333;
}



/* Cho Laptop/PC */
@media only screen and (min-width: 1024px){
	.mobile-menu-btn {
	  display: none;
	  background: none;
	  border: none;
	  font-size: 24px;
	  cursor: pointer;
	  color: #333;
	}
}

/* Cho TV */
@media only screen and (min-width: 1280px){

}
#chat{
	
	
	width: 60px;
	height: 150px;
	position: fixed;
	bottom: 250px;
	right: 23px;
}

#chat a img {
	margin-top: 10px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  transition: transform 0.3s ease;
}

#chat a img:hover {
  transform: scale(1.1);
} scale(1.1);
}