/* Mobile Menu & Hamburger Styles */

/* ==============================================
   HAMBURGER MENU SYSTEM
   ============================================== */

.hamburger-menu-container {
    position: relative;
    z-index: 1000;
}

/* Hamburger Button */
.hamburger-button {
    display: none; /* Hidden by default, shown on mobile */
    background: var(--hamburger-bg, rgba(255, 255, 255, 0.1));
    border: var(--hamburger-border-style, 1px solid rgba(255, 255, 255, 0.2));
    cursor: pointer;
    padding: var(--hamburger-padding, 0.875rem);
    border-radius: var(--hamburger-radius, 8px);
    transition: all 0.3s ease;
    color: var(--hamburger-color, var(--public-header-text, #fff));
    min-height: 44px;
    min-width: 44px;
    box-shadow: var(--hamburger-shadow, 0 2px 8px rgba(0, 0, 0, 0.1));
}

.hamburger-button:hover {
    background: var(--hamburger-hover-bg, rgba(255, 255, 255, 0.15));
    color: var(--hamburger-hover-color, var(--public-header-text-hover, #f7fafc));
    transform: var(--hamburger-hover-transform, scale(1.05));
    box-shadow: var(--hamburger-hover-shadow, 0 2px 8px rgba(0, 0, 0, 0.1));
    border-color: var(--hamburger-hover-border, rgba(255, 255, 255, 0.2));
}

.hamburger-button:focus {
    outline: 2px solid var(--public-link-primary, #2563eb);
    outline-offset: 2px;
}

/* Hamburger Icon */
.hamburger-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--hamburger-icon-size, 28px);
    height: var(--hamburger-icon-size, 28px);
}

.hamburger-svg {
    width: 100%;
    height: 100%;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hamburger-svg .hamburger-line {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

.hamburger-svg.open .top-line {
    transform: rotate(45deg) translate(0, 0);
}

.hamburger-svg.open .middle-line {
    opacity: 0;
    transform: scale(0);
}

.hamburger-svg.open .bottom-line {
    transform: rotate(-45deg) translate(0, 0);
}

.hamburger-text {
    font-size: 0.875rem;
    font-weight: 500;
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    background: rgba(0, 0, 0, 0.5) !important;
    backdrop-filter: blur(4px);
    z-index: 99999999 !important;
    animation: fadeIn 0.3s ease;
    pointer-events: all !important;
    isolation: isolate;
    display: block !important;
    visibility: visible !important;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Mobile Menu Content */
.mobile-menu-content {
    position: fixed !important;
    top: 120px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    width: var(--mobile-menu-width, 90%) !important;
    max-width: var(--mobile-menu-max-width, 350px) !important;
    max-height: calc(100vh - 140px) !important;
    background: var(--mobile-menu-bg, #ffffff) !important;
    box-shadow: var(--mobile-menu-shadow, 0 10px 40px rgba(0, 0, 0, 0.3)) !important;
    overflow: hidden !important;
    animation: fadeInScale 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(var(--mobile-menu-blur, 15px));
    border: 1px solid var(--mobile-menu-border, rgba(0, 0, 0, 0.1)) !important;
    border-radius: var(--mobile-menu-radius, 16px) !important;
    z-index: 999999999 !important;
    pointer-events: all !important;
    isolation: isolate;
    will-change: transform, opacity;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

@keyframes slideInRight {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

@keyframes fadeInScale {
    from { 
        opacity: 0;
        transform: translateX(-50%) scale(0.9);
    }
    to { 
        opacity: 1;
        transform: translateX(-50%) scale(1);
    }
}

/* Mobile Menu Header */
.mobile-menu-header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: var(--mobile-menu-header-padding, 1rem 1.75rem);
    border-bottom: 1px solid var(--mobile-menu-header-border, rgba(0, 0, 0, 0.1));
    background: var(--mobile-menu-header-bg, #ffffff);
    color: var(--mobile-menu-header-text, #1e293b);
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(15px);
    border-radius: var(--mobile-menu-radius, 12px) 0 0 0;
    box-shadow: var(--mobile-menu-header-shadow, 0 2px 8px rgba(0, 0, 0, 0.1));
}

.mobile-menu-header h3 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: inherit;
}

.close-button {
    background: var(--mobile-close-bg, transparent);
    border: var(--mobile-close-border, none);
    font-size: var(--mobile-close-size, 1.75rem);
    color: var(--mobile-close-color, #1e293b);
    cursor: pointer;
    padding: var(--mobile-close-padding, 0.5rem);
    line-height: 1;
    border-radius: var(--mobile-close-radius, 6px);
    transition: all 0.3s ease;
    min-height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-button:hover {
    background: var(--mobile-close-hover-bg, rgba(30, 41, 59, 0.1));
    color: var(--mobile-close-hover-color, #2563eb);
    transform: var(--mobile-close-hover-transform, scale(1.1));
}

/* Small close X button positioned in top-right */
.mobile-close-x {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: transparent;
    border: none;
    font-size: 1.5rem;
    color: #64748b;
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
    border-radius: 4px;
    transition: all 0.2s ease;
    z-index: 9999999999 !important;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-close-x:hover {
    background: rgba(100, 116, 139, 0.1);
    color: #1e293b;
    transform: scale(1.1);
}

/* Mobile Navigation */
.mobile-menu-nav {
    padding: var(--mobile-menu-nav-padding, 2.5rem 0 1rem 0);
    background: var(--mobile-menu-nav-bg, #ffffff);
    overflow: hidden;
    height: 100%;
}

.mobile-nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-nav-item {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

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

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: var(--mobile-nav-gap, 1rem);
    padding: var(--mobile-nav-padding, 1rem 1.75rem);
    color: var(--mobile-nav-text, #1e293b);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    margin: var(--mobile-nav-margin, 0 0.75rem 0.5rem);
    border-radius: var(--mobile-nav-radius, 8px);
    font-weight: var(--mobile-nav-font-weight, 500);
    font-size: var(--mobile-nav-font-size, 1rem);
    border: var(--mobile-nav-border, 1px solid transparent);
}

.mobile-nav-link:hover {
    background: var(--mobile-nav-hover-bg, rgba(30, 41, 59, 0.05));
    color: var(--mobile-nav-hover-text, #2563eb);
    transform: var(--mobile-nav-hover-transform, none);
    box-shadow: var(--mobile-nav-hover-shadow, none);
    border-color: var(--mobile-nav-hover-border, transparent);
}

.mobile-nav-link.active {
    background: var(--mobile-nav-active-bg, #2563eb);
    color: var(--mobile-nav-active-text, white);
    transform: var(--mobile-nav-active-transform, none);
    box-shadow: var(--mobile-nav-active-shadow, none);
    border-color: var(--mobile-nav-active-border, transparent);
    font-weight: var(--mobile-nav-active-font-weight, 600);
}


.mobile-nav-link .nav-icon {
    font-size: var(--mobile-nav-icon-size, 1.25rem);
    filter: var(--mobile-nav-icon-filter, drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1)));
    transition: all 0.3s ease;
    min-width: var(--mobile-nav-icon-width, 1.5rem);
    text-align: center;
}

.mobile-nav-link:hover .nav-icon,
.mobile-nav-link.active .nav-icon {
    transform: none;
    filter: none;
}

.mobile-nav-link .nav-text {
    font-weight: var(--mobile-nav-text-weight, 500);
    font-size: var(--mobile-nav-text-size, 1rem);
    letter-spacing: var(--mobile-nav-text-spacing, 0.025em);
    transition: all 0.3s ease;
}

.mobile-nav-link .nav-description {
    font-size: 0.875rem;
    opacity: 0.75;
    line-height: 1.4;
    font-weight: 400;
    transition: all 0.3s ease;
}

.mobile-nav-link:hover .nav-description,
.mobile-nav-link.active .nav-description {
    opacity: 0.9;
}

/* Mobile Nav Children (Submenu) */
.mobile-nav-children {
    list-style: none;
    margin: 0;
    padding: 0;
    background: var(--public-background-light, #f8fafc);
}

.mobile-nav-children .mobile-nav-link {
    padding-left: 2.5rem;
    font-size: 0.875rem;
}

.mobile-nav-children .nav-text {
    font-weight: 400;
}

/* ==============================================
   COLLAPSED MENU SYSTEM
   ============================================== */

.collapsed-menu {
    display: none; /* Hidden by default, shown on mobile */
}

.nav-list-collapsed {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item-collapsed {
    width: 100%;
}

.nav-link-collapsed {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--public-text-primary, #0f172a);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s ease;
    font-weight: 500;
}

.nav-link-collapsed:hover {
    background: var(--public-background-light, #f8fafc);
    color: var(--public-link-primary, #2563eb);
}

.nav-link-collapsed.active {
    background: var(--public-link-primary, #2563eb);
    color: white;
}

.nav-link-collapsed .nav-icon {
    font-size: 1rem;
    width: 20px;
    text-align: center;
}

/* ==============================================
   DEFAULT MOBILE MENU
   ============================================== */

.default-mobile-menu {
    display: none; /* Hidden by default, shown on mobile */
}

.nav-list-default {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.nav-item-default {
    flex: 1;
    min-width: 120px;
}

.nav-link-default {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    color: var(--public-text-primary, #0f172a);
    text-decoration: none;
    border-radius: 8px;
    border: 1px solid var(--public-border-light, #e2e8f0);
    transition: all 0.2s ease;
    text-align: center;
}

.nav-link-default:hover {
    background: var(--public-background-light, #f8fafc);
    border-color: var(--public-link-primary, #2563eb);
    color: var(--public-link-primary, #2563eb);
}

.nav-link-default.active {
    background: var(--public-link-primary, #2563eb);
    border-color: var(--public-link-primary, #2563eb);
    color: white;
}

.nav-link-default .nav-icon {
    font-size: 1.5rem;
}

.nav-link-default .nav-text {
    font-weight: 500;
    font-size: 0.875rem;
}

/* ==============================================
   RESPONSIVE BREAKPOINTS
   ============================================== */

/* Desktop Navigation - Hide on mobile */
@media (max-width: 768px) {
    .desktop-nav,
    .site-nav.desktop-nav,
    nav.site-nav,
    .site-header .site-nav,
    .site-header nav.site-nav,
    .site-header .container .site-nav,
    .site-nav {
        display: none !important;
        visibility: hidden !important;
    }
}

/* Show hamburger menu on mobile */
@media (max-width: 768px) {
    .hamburger-button {
        display: flex !important;
        align-items: center;
        justify-content: center;
        background: rgba(255, 255, 255, 0.2) !important;
        border: 2px solid rgba(255, 255, 255, 0.3) !important;
    }
    
    .hamburger-menu-container {
        display: block !important;
    }
    
    .hamburger-menu-container.active .hamburger-button {
        background: var(--hamburger-active-bg, rgba(255, 255, 255, 0.25)) !important;
    }
}

/* Hide hamburger menu on desktop */
@media (min-width: 769px) {
    .hamburger-menu-container {
        display: none !important;
    }
}

/* Show collapsed menu on tablet */
@media (max-width: 1024px) and (min-width: 769px) {
    .collapsed-menu {
        display: block;
    }
}

/* Enhanced responsive breakpoints */
@media (max-width: 640px) {
    .default-mobile-menu {
        display: block;
    }
    
    .mobile-menu-content {
        width: 95%;
        max-width: 320px;
        border-radius: 16px;
    }
    
    .mobile-nav-link {
        padding: 1rem 1.25rem;
        margin: 0 0.5rem;
    }
    
    .nav-list-default {
        flex-direction: column;
    }
    
    .nav-item-default {
        flex: none;
        min-width: auto;
    }
}

/* Extra small screens */
@media (max-width: 480px) {
    .mobile-menu-content {
        width: 95%;
        max-width: 300px;
        border-radius: 16px;
    }
    
    .hamburger-button {
        padding: 0.75rem;
    }
    
    .hamburger-icon {
        width: 20px;
        height: 20px;
    }
    
    .mobile-nav-link {
        padding: 0.875rem 1rem;
        margin: 0 0.25rem;
    }
    
    .mobile-nav-link .nav-text {
        font-size: 1rem;
    }
    
    .mobile-nav-link .nav-description {
        font-size: 0.8125rem;
    }
}

/* Landscape orientation on mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .mobile-menu-content {
        width: 70%;
        max-width: 400px;
        max-height: 70vh;
    }
    
    .mobile-menu-nav {
        padding: 2rem 0 1rem 0;
    }
    
    .mobile-nav-link {
        padding: 0.875rem 1.25rem;
        gap: 0.25rem;
    }
}

/* ==============================================
   ICON SYSTEM FOR NAVIGATION
   ============================================== */

/* Icon base styles */
.nav-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Common icon classes - you can replace these with your icon font or SVG system */
.icon-home::before { content: "🏠"; }
.icon-article::before { content: "📄"; }
.icon-menu::before { content: "☰"; }
.icon-dots::before { content: "⋯"; }
.icon-plus::before { content: "+"; }
.icon-search::before { content: "🔍"; }
.icon-user::before { content: "👤"; }
.icon-settings::before { content: "⚙️"; }
.icon-about::before { content: "ℹ️"; }
.icon-contact::before { content: "📞"; }
.icon-blog::before { content: "📝"; }
.icon-gallery::before { content: "🖼️"; }

/* ==============================================
   ENHANCED ACCESSIBILITY & INTERACTIONS
   ============================================== */

/* Focus management */
.mobile-menu-overlay[aria-hidden="true"] {
    visibility: hidden;
    pointer-events: none;
}

.mobile-menu-overlay[aria-hidden="false"] {
    visibility: visible;
    pointer-events: all;
}

/* Enhanced focus states */
.hamburger-button:focus-visible {
    outline: 3px solid var(--public-link-primary, #2563eb);
    outline-offset: 2px;
    background: rgba(255, 255, 255, 0.15);
}

.mobile-nav-link:focus-visible {
    outline: 3px solid var(--public-link-primary, #2563eb);
    outline-offset: 2px;
    background: var(--public-background-light, #f8fafc);
}

.close-button:focus-visible {
    outline: 3px solid var(--public-link-primary, #2563eb);
    outline-offset: 2px;
    background: rgba(255, 255, 255, 0.2);
}

/* Screen reader only text */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Touch-friendly interactions */
@media (hover: none) and (pointer: coarse) {
    .hamburger-button {
        min-height: 44px;
        min-width: 44px;
    }
    
    .mobile-nav-link {
        min-height: 44px;
        padding: 1rem 1.5rem;
    }
    
    .close-button {
        min-height: 44px;
        min-width: 44px;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .mobile-nav-link {
        border: 2px solid transparent;
    }
    
    .mobile-nav-link:hover,
    .mobile-nav-link:focus {
        border-color: currentColor;
    }
    
    .hamburger-button {
        border: 2px solid currentColor;
    }
    
    .mobile-menu-overlay {
        background: rgba(0, 0, 0, 0.8);
        backdrop-filter: none;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .hamburger-svg,
    .hamburger-svg .hamburger-line,
    .mobile-menu-overlay,
    .mobile-menu-content,
    .mobile-nav-link {
        transition: none;
        animation: none;
    }
    
    .mobile-menu-content {
        animation: none;
        transform: translateX(0);
    }
}

/* ==============================================
   DARK MODE SUPPORT
   ============================================== */

@media (prefers-color-scheme: dark) {
    .mobile-menu-content {
        background: var(--public-background-dark, #1e293b);
        color: var(--public-text-dark, #f1f5f9);
    }
    
    .mobile-nav-link {
        color: var(--public-text-dark, #f1f5f9);
    }
    
    .mobile-nav-link:hover {
        background: var(--public-background-dark-hover, #334155);
    }
}