/* 
 * PromptifyArt - Header & Footer Styles (Simplified)
 * Clean English version with basic navigation
 * NOTE: Global variables are defined in assets/css/global/variables.css
 */

/* ===== Header Styles ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    z-index: var(--z-header);
    transition: all 0.3s ease;
}

.site-header.scrolled {
    background-color: rgba(var(--color-white-rgb), 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px -1px rgba(var(--color-black-rgb), 0.1);
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-base);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* Header Inner Layout */
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    gap: var(--spacing-base);
}

/* Logo and Branding */
.site-branding {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--color-text);
}

.logo-circle {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-letter {
    color: var(--color-text-inverse);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
}

.site-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin: 0;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    color: var(--color-text);
    cursor: pointer;
    display: none;
}

@media (max-width: 767px) {
    .mobile-menu-toggle {
        display: flex;
    }
}

/* Main Navigation */
.main-navigation {
    display: none;
}

@media (min-width: 768px) {
    .main-navigation {
        display: block;
        flex: 1;
    }
    
    .nav-menu {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: var(--spacing-lg);
        list-style: none;
        margin: 0;
        padding: 0;
    }
    
    .menu-item a {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
        color: var(--color-text);
        text-decoration: none;
        font-weight: var(--font-weight-medium);
        font-size: var(--font-size-base);
        padding: var(--spacing-sm) var(--spacing-base);
        border-radius: var(--radius-base);
        transition: all 0.2s ease;
    }
    
    .menu-item a:hover {
        color: var(--color-primary);
        background-color: var(--color-surface);
    }
    
    .menu-item a i {
        font-size: var(--font-size-sm);
    }
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-base);
}

/* Header Buttons */
.header-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-base);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-base);
    color: var(--color-text);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    position: relative;
}

.header-btn:hover {
    background-color: var(--color-surface);
    border-color: var(--color-primary);
}

.btn-cart {
    padding-right: var(--spacing-sm);
}

.cart-count-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: -6px;
    right: -6px;
    min-width: 20px;
    height: 20px;
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    font-size: 0.75rem;
    font-weight: var(--font-weight-bold);
    border-radius: var(--radius-full);
    padding: 0 4px;
}

/* Account Dropdown */
.account-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 250px;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-base);
    box-shadow: 0 10px 15px -3px rgba(var(--color-black-rgb), 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: var(--z-modal);
}

.dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.dropdown-header h4 {
    margin: 0 0 var(--spacing-sm);
    font-size: var(--font-size-base);
    color: var(--color-text);
}

.dropdown-menu ul {
    list-style: none;
    margin: 0;
    padding: var(--spacing-sm) 0;
}

.dropdown-menu li a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: background-color 0.2s ease;
}

.dropdown-menu li a:hover {
    background-color: var(--color-surface);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--color-border);
    margin: var(--spacing-sm) 0;
}

.logout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-error);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

/* ===== Mobile Menu Styles ===== */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-overlay);
    z-index: calc(var(--z-modal) - 1);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 280px;
    background-color: var(--color-background);
    z-index: var(--z-modal);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.mobile-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.close-mobile-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    color: var(--color-text);
    cursor: pointer;
}

.mobile-nav-menu {
    flex: 1;
    list-style: none;
    margin: 0;
    padding: var(--spacing-md);
}

.mobile-nav-menu li {
    margin-bottom: var(--spacing-sm);
}

.mobile-nav-menu a {
    display: flex;
    align-items: center;
    gap: var(--spacing-base);
    padding: var(--spacing-base);
    color: var(--color-text);
    text-decoration: none;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-base);
}

.mobile-nav-menu a:hover {
    background-color: var(--color-surface);
    color: var(--color-primary);
}

.mobile-account-link {
    margin-top: var(--spacing-md);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
}

/* ===== Cart Sidebar Styles ===== */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 350px;
    background-color: var(--color-background);
    z-index: var(--z-modal);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    box-shadow: -5px 0 15px rgba(var(--color-black-rgb), 0.1);
}

.cart-sidebar.active {
    transform: translateX(0);
}

.cart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.cart-header h3 {
    margin: 0;
    font-size: var(--font-size-lg);
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.close-cart {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    color: var(--color-text);
    cursor: pointer;
}

.cart-content {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.cart-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    color: var(--color-text-light);
}

.cart-empty p {
    margin: var(--spacing-base) 0 0;
    font-size: var(--font-size-base);
}

.cart-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.cart-total {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
}

.checkout-btn {
    width: 100%;
    padding: var(--spacing-base);
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    border: none;
    border-radius: var(--radius-base);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.checkout-btn:hover {
    background-color: var(--color-primary-dark);
}

/* ===== Responsive ===== */
@media (max-width: 767px) {
    .main-navigation {
        display: none;
    }
    
    .site-title {
        display: none;
    }
    
    .cart-text {
        display: none;
    }
    
    .cart-sidebar {
        width: 100%;
        max-width: 350px;
    }
}

/* ===== Footer Styles ===== */
.site-footer {
    background-color: var(--color-white);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-12) 0 var(--spacing-8);
    margin-top: auto;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-10);
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
}

@media (min-width: 992px) {
    .footer-main {
        grid-template-columns: 1.5fr 1fr;
        align-items: start;
    }
}

.footer-logo {
    margin-bottom: var(--spacing-6);
}

.footer-logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    text-decoration: none;
    margin-bottom: var(--spacing-2);
}

.footer-tagline {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    margin: 0;
}

.footer-newsletter h4 {
    margin-bottom: var(--spacing-2);
}

.newsletter-form {
    margin-top: var(--spacing-4);
}

.newsletter-input-wrapper {
    display: flex;
    gap: var(--spacing-2);
}

.newsletter-input-wrapper input {
    flex: 1;
    padding: var(--spacing-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-light);
}

.newsletter-btn {
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
}

.newsletter-btn:hover {
    background: var(--color-primary-dark);
}

.footer-links-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-8);
}

@media (min-width: 768px) {
    .footer-links-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.footer-column h4 {
    font-size: var(--font-size-base);
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-4);
}

.footer-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-column li {
    margin-bottom: var(--spacing-2);
}

.footer-column a {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    transition: var(--transition-base);
}

.footer-column a:hover {
    color: var(--color-primary);
    transform: translateX(4px);
}

.footer-column a i {
    font-size: 0.75em;
    opacity: 0.5;
}

.footer-social {
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-4);
}

@media (min-width: 768px) {
    .footer-social {
        flex-direction: row;
        justify-content: space-between;
    }
}

.social-icons {
    display: flex;
    gap: var(--spacing-4);
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-bg-light);
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.social-icon:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.footer-bottom {
    margin-top: var(--spacing-8);
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-4);
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-copyright {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

.footer-payment {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

.payment-icon {
    font-size: 1.5rem;
    color: var(--color-gray-400);
}

/* ============================================
   Global UI Components - DeepSeek Style
   ============================================ */

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(var(--color-secondary-rgb), 0.3);
    z-index: 900;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(var(--color-secondary-rgb), 0.4);
    background: var(--color-primary-dark);
}

/* Quickview Modal */
.quickview-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(var(--color-black-rgb), 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.quickview-modal.active {
    display: flex;
    opacity: 1;
}

.quickview-content {
    background: var(--color-white);
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(var(--color-black-rgb), 0.25);
    transform: scale(0.95);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.quickview-modal.active .quickview-content {
    transform: scale(1);
}

.close-quickview {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    width: 36px;
    height: 36px;
    background: var(--color-gray-100);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-500);
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 10;
}

.close-quickview:hover {
    background: var(--color-error-light);
    color: var(--color-error);
    transform: rotate(90deg);
}

/* Notification Toast */
.notification-toast {
    position: fixed;
    top: var(--spacing-6);
    right: var(--spacing-6);
    z-index: 1100;
    transform: translateX(120%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.toast-content {
    background: var(--color-white);
    padding: var(--spacing-4) var(--spacing-6);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 15px -3px rgba(var(--color-black-rgb), 0.1), 0 4px 6px -2px rgba(var(--color-black-rgb), 0.05);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    min-width: 300px;
    border-left: 4px solid var(--color-primary);
}

.toast-icon {
    font-size: 1.25rem;
    color: var(--color-primary);
}

.toast-message {
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
}