/* Cài đặt chung */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Quicksand', sans-serif; 
    background-color: #ffd8f8; 
    color: #ffffff;
}

/* --- Navigation --- */
/* Bootstrap đã xử lý layout navbar, chỉ giữ lại style trang trí */
#main-nav {
    box-shadow: 0 4px 15px rgba(255, 105, 180, 0.2);
}


#logo {
    font-size: 24px;
    font-weight: 700;
    color: #ff69b4; /* Hot Pink */
    cursor: pointer;
    transition: transform 0.3s ease 0.2s;
}

#logo:hover {
    transform: rotate(-360deg) scale(1.5);
}

.menu-link {
    text-decoration: none;
    color: #333;
    font-weight: 600;
    font-size: 16px;
    transition: color 0.3s;
    position: relative;
}

.menu-link:hover {
    color: #ff69b4;
   
}

/* Hiệu ứng gạch chân khi hover */
.menu-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #ff69b4;
    transition: width 0.3s ease;
    transform: scale(1.1);
}

.menu-link:hover::after {
    width: 100%;
}

.cart-icon {
    font-size: 20px;
    color: #ff69b4;
    cursor: pointer;
    position: relative;
    transition: transform 0.2s;
}

.cart-icon:hover {
    transform: scale(1.2);
}

.badge {
    position: absolute;
    top: -8px;
    right: -10px;
    background-color: #ff1493;
    color: white;
    font-size: 12px;
    padding: 2px 6px;
    border-radius: 50%;
}

/* --- Hero Banner --- */
#hero-banner {
    background: linear-gradient(135deg, #ffdde1 0%, #ee9ca7 100%);
    padding: 80px 20px;
    text-align: center;
    border-bottom-left-radius: 50px;
    border-bottom-right-radius: 50px;
    position: relative;
    overflow: hidden;
    z-index: 1; /* Đảm bảo nội dung nằm trên lớp nền thay đổi */
}

.hero-title {
    font-size: 48px;
    color: #fff;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.3); /* Tăng độ đậm bóng đổ để dễ đọc hơn */
    margin-bottom: 15px;
}

.hero-desc {
    font-size: 18px;
    color: #fff;
    margin-bottom: 30px;
}

/* --- Day/Night Cycle Effect --- */
#hero-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Màu nền ban đêm (Tím đậm/Xanh dương) */
    background: linear-gradient(135deg, #2b1055 0%, #7597de 100%);
    z-index: -1;
    opacity: 0;
    /* Chu kỳ 48s: 24s ngày -> chuyển đổi -> 24s đêm -> chuyển đổi */
    animation: dayNightCycle 48s infinite ease-in-out;
    border-bottom-left-radius: 50px;
    border-bottom-right-radius: 50px;
    pointer-events: none;
}

@keyframes dayNightCycle {
    0%, 45% { opacity: 0; }   /* Ban ngày */
    55%, 95% { opacity: 1; }  /* Ban đêm */
    100% { opacity: 0; }      /* Quay lại ban ngày */
}

/* --- Shatter & Restore Effects --- */
@keyframes shatterAnim {
    0% { transform: scale(1); opacity: 1; filter: blur(0); }
    100% { transform: scale(1.5) rotate(10deg); opacity: 0; filter: blur(10px); }
}

@keyframes restoreAnim {
    0% { transform: scale(1.5) rotate(10deg); opacity: 0; filter: blur(10px); }
    100% { transform: scale(1); opacity: 1; filter: blur(0); }
}

.shatter-mode {
    animation: shatterAnim 0.5s forwards ease-in;
}

.restore-mode {
    animation: restoreAnim 0.8s forwards ease-out;
}

/* --- Header Decoration --- */
.floating-shapes i {
    position: absolute;
    color: rgba(255, 255, 255, 0.4);
    font-size: 40px;
    animation: float 6s infinite ease-in-out;
    z-index: 0;
}

.shape-1 { top: 15%; left: 10%; animation-delay: 0s; }
.shape-2 { bottom: 20%; right: 15%; animation-delay: 2s; font-size: 50px; }
.shape-3 { top: 20%; right: 25%; font-size: 30px; animation-delay: 4s; }

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(15deg); }
}

/* --- Buttons --- */
.btn {
    padding: 12px 25px;
    border: none;
    border-radius: 30px;
    font-family: 'Quicksand', sans-serif;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.btn:active {
    transform: scale(0.95); /* Hiệu ứng click lún xuống */
    box-shadow: 0 2px 3px rgba(0,0,0,0.1);
}

.btn-primary {
    background-color: #fff;
    color: #ff69b4;
}

.btn-primary:hover {
    background-color: #ffebf5;
    transform: translateY(-3px);
}

.btn-add {
    background-color: #ff69b4;
    color: white;
    width: 100%;
    margin-top: 10px;
}

.btn-add:hover {
    background-color: #ff1493;
    box-shadow: 0 0 15px rgba(255, 20, 147, 0.5); /* Hiệu ứng phát sáng */
}

/* --- Product Section --- */
.category-section {
    margin: 50px auto;
    padding-top: 20px;
    padding-bottom: 20px;
}

.section-title {
    text-align: center;
    color: #ff69b4;
    margin-bottom: 50px;
    font-size: 32px;
    position: relative;
    cursor: default; /* Con trỏ mặc định để người dùng biết không phải link */
    transition: transform 0.3s ease, text-shadow 0.3s ease;
}

.section-title:hover {
    transform: scale(1.1); /* To lên */
    text-shadow: 0 0 15px #ff69b4; /* Phát sáng */
}

.section-title i {
    display: inline-block; /* Cần thiết để transform hoạt động trên thẻ i */
}

.section-title:hover i {
    animation: spinInfinite 1s linear infinite; /* Xoay liên tục */
}

/* Thêm gạch chân trang trí cho tiêu đề */
.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: #ffb7b2;
    margin: 15px auto 0;
    border-radius: 2px;
    transition: width 0.3s ease, box-shadow 0.3s ease;
}

.section-title:hover::after {
    width: 150px; /* Gạch ngang dài ra */
    box-shadow: 0 0 10px #ffb7b2; /* Gạch ngang phát sáng */
}

@keyframes spinInfinite {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Hiệu ứng click cho icon */
.icon-shatter {
    animation: shatterAnim 0.5s forwards ease-in !important;
}

.icon-restore {
    animation: restoreAnim 0.8s forwards ease-out !important;
}

.product-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.4s ease;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column; /* Xếp dọc nội dung để căn chỉnh */
}

.product-card:hover {
    transform: translateY(-10px); /* Bay lên khi hover */
    box-shadow: 0 15px 30px rgba(255, 105, 180, 0.3); /* Bóng màu hồng */
    border-color: #ffb7b2;
}

.product-image {
    position: relative;
    overflow: hidden;
    height: 320px; /* Cố định chiều cao khung ảnh */
    width: 100%;
    background-color: #fff;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Ảnh tự cắt để vừa khung mà không bị méo */
    object-position: top center; /* Ưu tiên hiển thị phần trên (khuôn mặt figure) */
    transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.1); /* Zoom ảnh nhẹ */
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 105, 180, 0.4);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover .overlay {
    opacity: 1;
}

.product-info {
    padding: 20px;
    text-align: center;
    flex-grow: 1; /* Chiếm phần không gian còn lại */
    display: flex;
    flex-direction: column;
    justify-content: space-between; /* Đẩy nút xuống đáy */
}

.product-name {
    font-size: 18px;
    color: #444;
    margin-bottom: 15px;
    line-height: 1.4;
    font-weight: 700;
}

.product-price {
    font-size: 20px;
    color: #ff69b4;
    font-weight: 700;
    margin-bottom: 15px;
    margin-top: auto; /* Đẩy giá xuống sát nút mua */
}

/* --- Footer --- */
#footer {
    background-color: #ff69b4;
    color: white;
    padding: 40px 0 20px;
    margin-top: 50px;
}

.footer-section h3 {
    font-size: 20px;
    margin-bottom: 15px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.5);
    display: inline-block;
    padding-bottom: 5px;
}

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

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

.footer-section ul li a {
    color: white;
    text-decoration: none;
    transition: padding-left 0.3s;
}

.footer-section ul li a:hover {
    padding-left: 10px;
    font-weight: bold;
}

.social-icons a {
    color: white;
    font-size: 24px;
    margin-right: 15px;
    transition: transform 0.3s;
    display: inline-block;
}

.social-icons a:hover {
    transform: scale(1.2) rotate(10deg);
}

.footer-bottom {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    font-size: 14px;
}

/* --- Add to Cart Animation --- */
@keyframes shatter-shake {
    0% { transform: scale(1); filter: blur(0); }
    25% { transform: scale(1.1) rotate(5deg); filter: blur(2px) brightness(1.2); }
    50% { transform: scale(1.1) rotate(-5deg); filter: blur(2px) brightness(1.2); }
    100% { transform: scale(1); filter: blur(0); }
}

@keyframes cart-bump {
    0% { transform: scale(1); }
    50% { transform: scale(1.3); }
    100% { transform: scale(1); }
}