/* ========================================
   MERCHANT360 NAVIGATION STYLES
   Header, Footer, Mobile Navigation
   ======================================== */

/* ----------------------------------------
   Header / Navbar
   ---------------------------------------- */

.navbar-modern {
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    transition: all var(--transition-base);
}

.navbar-modern.scrolled {
    box-shadow: var(--shadow-md);
}

/* Top Bar (Optional - for announcements) */
.top-bar {
    background: var(--gradient-hero);
    color: var(--text-inverse);
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    text-align: center;
}

.top-bar a {
    color: var(--text-inverse);
    text-decoration: underline;
}

/* Main Header Container */
.header-main {
    padding: var(--space-4) 0;
}

.header-container {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

/* Logo */
.navbar-brand-modern {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--primary) !important;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.navbar-brand-modern:hover {
    color: var(--primary-hover) !important;
}

.navbar-brand-modern .logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-hero);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-inverse);
    font-size: 1.25rem;
}

/* Search Bar in Header */
.header-search {
    flex: 1;
    max-width: 500px;
}

.header-search .search-input-wrapper {
    position: relative;
}

.header-search .form-control {
    padding: 0.75rem 1rem 0.75rem 3rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-full);
    background: var(--gray-50);
    font-size: var(--text-base);
    transition: all var(--transition-base);
}

.header-search .form-control:focus {
    border-color: var(--primary);
    background: var(--surface);
    box-shadow: 0 0 0 4px var(--primary-light);
}

.header-search .search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.125rem;
}

.header-search .search-btn {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary);
    color: var(--text-inverse);
    border: none;
    border-radius: var(--radius-full);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.header-search .search-btn:hover {
    background: var(--primary-hover);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.header-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--text-xs);
    transition: all var(--transition-base);
    padding: var(--space-2);
    border-radius: var(--radius-lg);
}

.header-action-btn:hover {
    color: var(--primary);
    background: var(--gray-50);
}

.header-action-btn .icon {
    font-size: 1.5rem;
}

.header-action-btn .label {
    font-weight: var(--font-medium);
}

/* Cart Button */
.cart-button {
    position: relative;
}

.cart-count {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: var(--accent);
    color: var(--text-inverse);
    font-size: 11px;
    font-weight: var(--font-bold);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.cart-count.animate {
    animation: bounce 0.5s ease;
}

/* User Menu */
.user-menu {
    position: relative;
}

.user-menu-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
}

.user-menu-toggle:hover {
    border-color: var(--primary);
    background: var(--surface);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: var(--gradient-hero);
    color: var(--text-inverse);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-semibold);
    font-size: var(--text-sm);
}

.user-name {
    font-weight: var(--font-medium);
    color: var(--text-primary);
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ----------------------------------------
   Main Navigation
   ---------------------------------------- */

.nav-main {
    background: var(--surface);
    border-top: 1px solid var(--gray-100);
    border-bottom: 1px solid var(--gray-100);
}

.nav-main-container {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-link-modern {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-5);
    color: var(--text-primary);
    font-weight: var(--font-medium);
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
}

.nav-link-modern:hover {
    color: var(--primary);
    background: var(--gray-50);
}

.nav-link-modern.active {
    color: var(--primary);
}

.nav-link-modern.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--space-5);
    right: var(--space-5);
    height: 3px;
    background: var(--primary);
    border-radius: var(--radius-full) var(--radius-full) 0 0;
}

/* Categories Dropdown Trigger */
.nav-categories-trigger {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-5);
    background: var(--primary);
    color: var(--text-inverse);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: all var(--transition-base);
}

.nav-categories-trigger:hover {
    background: var(--primary-hover);
}

.nav-categories-trigger .bi-list {
    font-size: 1.25rem;
}

/* Mega Menu */
.mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #ffffff;
    box-shadow: var(--shadow-xl);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    padding: var(--space-8);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: var(--z-dropdown);
}

.nav-item-modern:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
    background: #ffffff;
}

.mega-menu-column {
    background: #ffffff;
}

.mega-menu-column h6 {
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-2);
    border-bottom: 2px solid var(--primary);
}

.mega-menu-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mega-menu-list li {
    margin-bottom: var(--space-2);
}

.mega-menu-list a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.mega-menu-list a:hover {
    color: var(--primary);
    padding-left: var(--space-2);
}

.mega-menu-featured {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
}

.mega-menu-featured img {
    max-width: 100%;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
}

/* ----------------------------------------
   Footer
   ---------------------------------------- */

.footer-modern {
    background: var(--gray-900);
    color: var(--gray-300);
    margin-top: auto;
}

/* Footer Newsletter */
.footer-newsletter {
    background: var(--gradient-hero);
    padding: var(--space-12) 0;
}

.footer-newsletter-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.footer-newsletter h3 {
    color: var(--text-inverse);
    font-size: var(--text-2xl);
    margin-bottom: var(--space-2);
}

.footer-newsletter p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-6);
}

.footer-newsletter-form {
    display: flex;
    gap: var(--space-2);
    max-width: 450px;
    margin: 0 auto;
}

.footer-newsletter-form input {
    flex: 1;
    padding: var(--space-4);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
}

.footer-newsletter-form button {
    padding: var(--space-4) var(--space-6);
    background: var(--accent);
    color: var(--text-inverse);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: all var(--transition-base);
}

.footer-newsletter-form button:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

/* Footer Main */
.footer-main {
    padding: var(--space-16) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-12);
}

.footer-brand {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--text-inverse);
    margin-bottom: var(--space-4);
}

.footer-description {
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    color: var(--gray-400);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--primary);
    color: var(--text-inverse);
    transform: translateY(-3px);
}

.footer-column h5 {
    color: var(--text-inverse);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-6);
}

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

.footer-links li {
    margin-bottom: var(--space-3);
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--text-inverse);
    padding-left: var(--space-2);
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.footer-contact-item i {
    color: var(--primary);
    font-size: 1.25rem;
    margin-top: 2px;
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding: var(--space-6) 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer-copyright {
    color: var(--gray-500);
    font-size: var(--text-sm);
}

.footer-payments {
    display: flex;
    gap: var(--space-3);
}

.footer-payments img {
    height: 24px;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.footer-payments img:hover {
    opacity: 1;
}

/* Trust Badges */
.trust-badges {
    display: flex;
    justify-content: center;
    gap: var(--space-8);
    padding: var(--space-8) 0;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--text-secondary);
}

.trust-badge i {
    font-size: 2rem;
    color: var(--primary);
}

.trust-badge-text {
    font-size: var(--text-sm);
}

.trust-badge-text strong {
    display: block;
    color: var(--text-primary);
    font-weight: var(--font-semibold);
}

/* ----------------------------------------
   Mobile Navigation
   ---------------------------------------- */

.mobile-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: var(--z-fixed);
    display: none;
    padding: var(--space-2) 0 env(safe-area-inset-bottom, var(--space-2));
}

.mobile-nav-items {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-4);
    color: var(--text-muted);
    text-decoration: none;
    font-size: var(--text-xs);
    transition: all var(--transition-fast);
    position: relative;
}

.mobile-nav-item.active {
    color: var(--primary);
}

.mobile-nav-item .icon {
    font-size: 1.5rem;
}

.mobile-nav-item .cart-count {
    position: absolute;
    top: 0;
    right: var(--space-2);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

/* Mobile Menu Drawer */
.mobile-menu-drawer {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 300px;
    max-width: 85vw;
    background: var(--surface);
    z-index: var(--z-modal);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
}

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

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4);
    border-bottom: 1px solid var(--gray-100);
}

.mobile-menu-close {
    width: 40px;
    height: 40px;
    background: var(--gray-100);
    border: none;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.mobile-menu-body {
    padding: var(--space-4);
}

.mobile-menu-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.mobile-menu-link:hover {
    background: var(--gray-50);
}

.mobile-menu-link.active {
    background: var(--primary-light);
    color: var(--primary);
}

.mobile-menu-link i {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

.mobile-menu-divider {
    height: 1px;
    background: var(--gray-100);
    margin: var(--space-4) 0;
}

/* ----------------------------------------
   Responsive
   ---------------------------------------- */

@media (max-width: 991.98px) {
    .header-search {
        display: none;
    }

    .nav-main {
        display: none;
    }

    .mobile-nav {
        display: block;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .trust-badges {
        flex-wrap: wrap;
        gap: var(--space-4);
    }
}

@media (max-width: 767.98px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-newsletter-form {
        flex-direction: column;
    }

    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }

    .header-actions {
        gap: var(--space-2);
    }

    .header-action-btn .label {
        display: none;
    }
}