/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-pink: #ff6b9d;
    --secondary-pink: #ff8fab;
    --light-pink: #ffb3c6;
    --pale-pink: #fce4ec;
    --deep-pink: #d63384;
    --primary-blue: #4a90e2;
    --secondary-blue: #6ba3f5;
    --light-blue: #a8c8f7;
    --pale-blue: #e3f2fd;
    --deep-blue: #2171b5;
    --dark-blue: #1a365d;
    --darker-blue: #2c5282;
    --gradient-primary: linear-gradient(135deg, #ff6b9d, #ff8fab);
    --gradient-secondary: linear-gradient(135deg, #ffb3c6, #fce4ec);
    --gradient-blue: linear-gradient(135deg, #4a90e2, #6ba3f5);
    --gradient-mixed: linear-gradient(135deg, #ff6b9d, #4a90e2);
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --gray: #6c757d;
    --dark-gray: #343a40;
    --shadow: 0 4px 15px rgba(255, 107, 157, 0.2);
    --shadow-hover: 0 8px 25px rgba(255, 107, 157, 0.3);
    --shadow-blue: 0 4px 15px rgba(74, 144, 226, 0.2);
    --shadow-blue-hover: 0 8px 25px rgba(74, 144, 226, 0.3);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background: #e3f2fd;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, #1a365d, #2c5282);
    box-shadow: 0 4px 15px rgba(26, 54, 93, 0.3);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 40px;
    border-radius: 8px;
}

.logo h1 {
    color: var(--white);
    font-size: 24px;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--white);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--light-pink);
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.1);
}

.cart-link {
    position: relative;
    display: flex !important;
    align-items: center;
    gap: 8px;
    background: var(--gradient-blue);
    color: var(--white) !important;
    padding: 10px 16px !important;
    box-shadow: var(--shadow-blue);
}

.cart-link:hover {
    box-shadow: var(--shadow-blue-hover);
    transform: translateY(-2px);
}

.cart-count {
    background: var(--deep-pink);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.login-btn {
    background: var(--gradient-primary);
    color: var(--white) !important;
    padding: 10px 20px !important;
    box-shadow: var(--shadow);
}

.login-btn:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.mobile-menu-toggle {
    display: none;
    font-size: 24px;
    color: var(--primary-pink);
    cursor: pointer;
}

/* Main Content */
.main-content {
    padding: 40px 0;
}

.main-content .container {
    display: grid;
    grid-template-columns: 1fr 4fr;
    gap: 25px;
    max-width: 95vw;
}

/* Sidebar */
.sidebar {
    background: var(--white);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    height: fit-content;
    position: sticky;
    top: 120px;
    min-width: 200px;
}

.category-section h3 {
    color: var(--primary-pink);
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 600;
}

.category-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.category-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    color: var(--gray);
    font-size: 14px;
}

.category-item:hover {
    background: var(--pale-pink);
    color: var(--primary-pink);
    transform: translateX(5px);
}

.category-item.active {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow);
}

.category-item i {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

/* Content Area */
.content-area {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

/* Filter Bar */
.filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid var(--pale-pink);
    background: var(--gradient-secondary);
}

.filter-tabs {
    display: flex;
    gap: 15px;
}

.filter-tab {
    background: none;
    border: 2px solid transparent;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    color: var(--gray);
}

.filter-tab.active {
    background: var(--dark-blue);
    color: var(--white);
    box-shadow: var(--shadow-blue);
}

.filter-tab:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

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

.search-box input {
    padding: 12px 45px 12px 15px;
    border: 2px solid var(--light-pink);
    border-radius: 25px;
    width: 220px;
    font-size: 14px;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.search-box i {
    position: absolute;
    right: 15px;
    color: var(--primary-blue);
    cursor: pointer;
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 20px;
    padding: 25px;
}

@media (min-width: 1200px) {
    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
        gap: 18px;
    }
}

@media (min-width: 1400px) {
    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 16px;
    }
}

.product-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 10px rgba(255, 107, 157, 0.1);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.product-image {
    position: relative;
    height: 200px;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: var(--transition);
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(74, 144, 226, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.add-to-cart-btn {
    background: var(--white);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--primary-blue);
    font-size: 18px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    transform: scale(0.8);
}

.product-card:hover .add-to-cart-btn {
    transform: scale(1);
}

.add-to-cart-btn:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: scale(1.1);
}

.product-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--gradient-blue);
    color: var(--white);
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    box-shadow: var(--shadow-blue);
}

.product-info {
    padding: 12px;
    background: var(--pale-blue);
}

.product-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark-gray);
    line-height: 1.3;
}

.product-type {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--primary-pink);
    font-size: 12px;
    font-weight: 500;
}

.product-type i {
    font-size: 14px;
}

/* Load More Section */
.load-more-section {
    text-align: center;
    padding: 30px;
    border-top: 1px solid var(--pale-pink);
}

.load-more-btn {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 auto;
}

.load-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    padding: 20px;
    border-top: 1px solid var(--pale-pink);
}

.page-btn {
    background: var(--white);
    border: 2px solid var(--light-pink);
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    color: var(--gray);
    font-weight: 500;
}

.page-btn:hover,
.page-btn.active {
    background: var(--dark-blue);
    color: var(--white);
    border-color: var(--dark-blue);
}

.page-dots {
    color: var(--gray);
    margin: 0 10px;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #1a365d, #2c5282);
    margin-top: 50px;
    box-shadow: 0 -4px 15px rgba(26, 54, 93, 0.3);
}

.footer-content {
    padding: 40px 0 20px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h4 {
    color: var(--light-pink);
    margin-bottom: 15px;
    font-size: 16px;
    font-weight: 600;
}

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

.footer-section li {
    margin-bottom: 8px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--light-pink);
    transform: translateX(5px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.language-selector select {
    padding: 8px 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    backdrop-filter: blur(5px);
}

.language-selector select:focus {
    outline: none;
    border-color: var(--light-pink);
    box-shadow: 0 0 0 2px rgba(255, 179, 198, 0.2);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: 0;
    border-radius: var(--border-radius);
    width: 80%;
    max-width: 600px;
    box-shadow: var(--shadow-hover);
    position: relative;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.close {
    position: absolute;
    right: 15px;
    top: 15px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: var(--gray);
    z-index: 1;
}

.close:hover {
    color: var(--primary-pink);
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.modal-body .product-image {
    height: 300px;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.product-info {
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-actions {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.btn-primary,
.btn-secondary {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: var(--pale-blue);
    color: var(--primary-blue);
    border: 2px solid var(--light-blue);
}

.btn-secondary:hover {
    background: var(--light-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-blue);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .main-content .container {
        grid-template-columns: 1fr 3fr;
        gap: 20px;
    }
    
    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 18px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .main-content .container {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 98vw;
    }
    
    .sidebar {
        position: static;
        order: 2;
        min-width: auto;
    }
    
    .filter-bar {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
        padding: 15px 20px;
    }
    
    .search-box input {
        width: 100%;
    }
    
    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 15px;
        padding: 20px;
    }
    
    .modal-body {
        grid-template-columns: 1fr;
    }
    
    .modal-body .product-image {
        border-radius: var(--border-radius) var(--border-radius) 0 0;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    .main-content .container {
        max-width: 100vw;
        padding: 0 10px;
    }
    
    .logo h1 {
        font-size: 18px;
    }
    
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        padding: 15px;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
    }
    
    .sidebar {
        padding: 15px;
    }
    
    .filter-bar {
        padding: 12px 15px;
    }
}

/* Loading Animation */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--pale-pink);
    border-top: 4px solid var(--primary-pink);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Notification Styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--white);
    border-left: 4px solid var(--primary-blue);
    padding: 15px 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-blue);
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 3000;
    transform: translateX(400px);
    transition: var(--transition);
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    border-left-color: var(--primary-blue);
}

.notification i {
    color: var(--primary-blue);
    font-size: 18px;
}

.notification span {
    color: var(--dark-gray);
    font-weight: 500;
}

/* Cart Modal Styles */
.cart-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.cart-modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: 0;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 700px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-hover);
    position: relative;
    animation: modalSlideIn 0.3s ease-out;
}

.cart-header {
    background: var(--gradient-mixed);
    color: var(--white);
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.cart-header h2 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.cart-body {
    padding: 25px;
    max-height: 400px;
    overflow-y: auto;
}

.cart-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid var(--pale-pink);
}

.cart-item:last-child {
    border-bottom: none;
}

.cart-item img {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
}

.cart-item-info {
    flex: 1;
}

.cart-item-title {
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--dark-gray);
}

.cart-item-type {
    color: var(--primary-blue);
    font-size: 12px;
}

.cart-item-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.quantity-btn {
    background: var(--light-blue);
    border: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--primary-blue);
    transition: var(--transition);
}

.quantity-btn:hover {
    background: var(--primary-blue);
    color: var(--white);
}

.quantity {
    font-weight: 600;
    min-width: 20px;
    text-align: center;
}

.cart-footer {
    padding: 20px 25px;
    border-top: 1px solid var(--pale-pink);
    background: var(--light-gray);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 600;
}

.cart-actions {
    display: flex;
    gap: 15px;
}

.cart-actions button {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.checkout-btn {
    background: var(--gradient-blue);
    color: var(--white);
    box-shadow: var(--shadow-blue);
}

.checkout-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-blue-hover);
}

.clear-cart-btn {
    background: var(--pale-pink);
    color: var(--primary-pink);
    border: 2px solid var(--light-pink);
}

.clear-cart-btn:hover {
    background: var(--light-pink);
}

.empty-cart {
    text-align: center;
    padding: 40px 20px;
    color: var(--gray);
}

.empty-cart i {
    font-size: 48px;
    margin-bottom: 20px;
    color: var(--light-blue);
}

/* Animations */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.bounce-in {
    animation: bounceIn 0.6s ease-out;
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}