/* Enhanced Navigation Styles - Fixed Mobile Issues */

.primary-menu > .menu-item-has-children {
    padding-bottom: 10px;
    margin-bottom: -10px;
}

.primary-menu .sub-menu {
    margin-top: 0 !important;
}

.primary-menu > .menu-item-has-children::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    right: 0;
    height: 10px;
    background: transparent;
    z-index: 1;
}


.primary-menu .menu-item-has-children {
    overflow: visible !important;
}

.main-navigation .primary-menu {
    display: none;
}

.main-navigation[aria-expanded="true"] .primary-menu {
    display: flex;
}

@media (min-width: 769px) {
    .main-navigation .primary-menu {
        display: flex !important;
    }
    
    .primary-menu li:hover .sub-menu,
    .primary-menu li:focus-within .sub-menu,
    .primary-menu .menu-item-has-children[aria-expanded="true"] .sub-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
}

.primary-menu .sub-menu {
    z-index: 9999 !important;
}

.site-header,
.main-navigation {
    overflow: visible !important;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-block: var(--spacing-lg);
    padding-inline: var(--spacing-md);
}

.site-branding {
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.custom-logo img, .site-logo img {
    max-height: 50px;
    width: auto;
    display: block;
}

.main-navigation {
    position: relative;
    font-family: var(--font-family-body);
    margin-block-start: var(--spacing-lg);
}

@media (min-width: 769px) {
    .main-navigation {
        margin-left: auto;
        display: flex;
        align-items: center;
    }
}

.main-navigation[aria-hidden="true"] {
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
}

.menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--color-text);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity var(--transition-fast);
    min-height: var(--min-touch-target);
    margin-block-end: var(--spacing-md);
    margin-left: auto;
}

.menu-toggle:hover, .menu-toggle:focus-visible {
    background: var(--color-text);
    color: var(--color-bg);
}

.menu-toggle:focus-visible {
    outline: 2px solid var(--color-text);
    outline-offset: 2px;
}

.menu-toggle[aria-expanded="true"] {
    background: var(--color-text);
    color: var(--color-bg);
}

@media (min-width: 769px) {
    .menu-toggle {
        display: none;
    }
}

.menu-toggle-icon,
.menu-toggle-icon::before,
.menu-toggle-icon::after,
.primary-menu a,
.overlay-close {
    will-change: transform;
    transform: translateZ(0);
}

.menu-toggle[aria-expanded="false"] .menu-toggle-icon {
    will-change: auto;
}

.primary-menu .sub-menu {
    transform: translateZ(0);
    backface-visibility: hidden;
}

.menu-toggle-icon {
    width: 20px;
    height: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform var(--transition-fast);
}

.menu-toggle-icon::before, .menu-toggle-icon::after, .menu-toggle-icon span {
    content: '';
    height: 2px;
    background: currentColor;
    border-radius: 1px;
    transition: all var(--transition-fast);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-icon::before {
    transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-icon span {
    opacity: 0;
    transform: rotate(180deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-icon::after {
    transform: rotate(-45deg) translate(6px, -6px);
}

.primary-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-subtle);
    overflow: hidden;
    margin-block-start: var(--spacing-sm);
}

@media (min-width: 769px) {
    .primary-menu {
        flex-direction: row;
        align-items: center;
        gap: var(--spacing-md);
        background: transparent;
        border: none;
        box-shadow: none;
        margin-block-start: 0;
    }
}

.primary-menu li {
    position: relative;
    margin: 0;
}

.primary-menu a {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--color-text);
    text-decoration: none;
    border-bottom: 1px solid var(--color-border-light);
    min-height: var(--min-touch-target);
    font-weight: 500;
    transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.primary-menu li:last-child a {
    border-bottom: none;
}

@media (min-width: 769px) {
    .primary-menu a {
        padding: var(--spacing-sm) var(--spacing-md);
        border-bottom: 2px solid transparent;
    }
    .primary-menu li:last-child a {
        border-bottom: 2px solid transparent;
    }
}

@media (hover: none) and (pointer: coarse) {
    .primary-menu a,
    .menu-toggle,
    .overlay-close {
        min-height: 48px;
        min-width: 48px;
        padding: 12px 16px;
    }
}

.primary-menu a:hover, .primary-menu a:focus-visible {
    background: var(--color-border-light);
    border-bottom-color: var(--color-text);
}

@media (min-width: 769px) {
    .primary-menu a:hover, .primary-menu a:focus-visible {
        background: var(--color-text);
        color: var(--color-bg);
    }
}

.primary-menu a:focus-visible {
    outline: 2px solid var(--color-text);
    outline-offset: 2px;
}

.primary-menu .current-menu-item a, .primary-menu .current-menu-ancestor a, .primary-menu .current_page_item a, .primary-menu .current_page_ancestor a {
    background: var(--color-text);
    color: var(--color-bg);
    font-weight: 600;
}

@media (min-width: 769px) {
    .primary-menu .current-menu-item a, .primary-menu .current-menu-ancestor a, .primary-menu .current_page_item a, .primary-menu .current_page_ancestor a {
        border-bottom-color: var(--color-text);
    }
}

.primary-menu .sub-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    position: static;
    display: none;
    background: var(--color-border-light);
    border-top: 1px solid var(--color-border);
}

@media (min-width: 769px) {
    .primary-menu .sub-menu {
        position: absolute;
        top: 100%;
        left: 0;
        min-width: 200px;
        background: var(--color-bg);
        border: 1px solid var(--color-border-light);
        box-shadow: 0 4px 12px rgba(0, 0, 0, .1);
        z-index: 1000;
        margin-top: var(--spacing-xs);
    }
}

.primary-menu .sub-menu a {
    padding-inline-start: calc(var(--spacing-lg) + var(--spacing-md));
    font-weight: 400;
    font-size: .9rem;
}

@media (min-width: 769px) {
    .primary-menu .sub-menu a {
        padding: var(--spacing-sm) var(--spacing-md);
        border-bottom: 1px solid var(--color-border-light);
    }
    .primary-menu .sub-menu li:last-child a {
        border-bottom: none;
    }
}

@media (min-width: 769px) {
    .primary-menu li:hover .sub-menu, .primary-menu li:focus-within .sub-menu {
        display: block;
    }
}

.primary-menu .menu-item-has-children > a::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    margin-inline-start: auto;
    transition: transform var(--transition-fast);
}

@media (min-width: 769px) {
    .primary-menu .menu-item-has-children > a::after {
        margin-inline-start: var(--spacing-xs);
    }
}

.primary-menu .menu-item-has-children[aria-expanded="true"] > a::after {
    transform: rotate(180deg);
}

.primary-menu .menu-item-has-children[aria-expanded="true"] .sub-menu {
    display: block;
}

.primary-menu .sub-menu .sub-menu {
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
}

@media (min-width: 769px) {
    .primary-menu .sub-menu .sub-menu {
        top: 0;
        left: 100%;
        margin-top: 0;
        margin-left: -1px;
    }
}

.primary-menu .sub-menu .sub-menu a {
    padding-inline-start: calc(var(--spacing-lg) + var(--spacing-lg));
}

@media (min-width: 769px) {
    .primary-menu .sub-menu .sub-menu a {
        padding-inline-start: var(--spacing-md);
    }
}

@media (min-width: 769px) {
    .primary-menu .sub-menu {
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
    }
    .primary-menu li:hover .sub-menu, .primary-menu li:focus-within .sub-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .primary-menu .sub-menu {
        transition: none !important;
        transform: none !important;
    }
}

@media (max-width: 768px) {
    .primary-menu a {
        min-height: 48px;
        padding-block: var(--spacing-md);
    }
}

.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    background: var(--color-bg);
    overflow-y: auto;
}

@media (prefers-reduced-motion: no-preference) {
    .mobile-menu-overlay {
        transition: opacity 0.1s ease;
    }
}

.mobile-menu-overlay[hidden] {
    opacity: 0;
    pointer-events: none;
}

.mobile-menu-overlay .overlay-inner {
    width: 100%;
    max-width: 28rem;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    position: relative;
}

.overlay-close {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--color-bg);
    border: 2px solid var(--color-text);
    font-size: 2rem;
    line-height: 1;
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    z-index: 10001;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

body.admin-bar .overlay-close {
    top: calc(32px + var(--spacing-md));
}

@media screen and (max-width: 782px) {
    body.admin-bar .overlay-close {
        top: calc(46px + var(--spacing-md));
    }
}

.overlay-close:focus-visible {
    outline: 2px solid var(--color-text);
    outline-offset: 2px;
}

.overlay-close:hover {
    background: var(--color-text);
    color: var(--color-bg);
}

.mobile-menu-overlay .primary-menu {
    border: none;
    box-shadow: none;
    background: transparent;
    flex-direction: column;
    margin: 0;
    padding: 0;
    display: flex;
}

.mobile-menu-overlay .primary-menu a {
    justify-content: flex-start;
    font-size: 1.15rem;
    border-bottom: 1px solid var(--color-border-light);
    background: transparent;
    padding: var(--spacing-md) var(--spacing-lg);
    width: 100%;
    border-radius: 0;
    position: relative;
}

.mobile-menu-overlay .menu-item-has-children {
    display: flex;
    align-items: center;
    position: relative;
}

.mobile-menu-overlay .menu-item-has-children > a {
    flex: 1;
}

.mobile-menu-overlay .primary-menu a:hover,
.mobile-menu-overlay .primary-menu a:focus-visible {
    background: var(--color-border-light);
    border-bottom-color: var(--color-text);
    color: var(--color-text);
}

.mobile-menu-overlay .primary-menu .current-menu-item a,
.mobile-menu-overlay .primary-menu .current-menu-ancestor a,
.mobile-menu-overlay .primary-menu .current_page_item a,
.mobile-menu-overlay .primary-menu .current_page_ancestor a {
    background: var(--color-text);
    color: var(--color-bg);
    font-weight: 600;
}

.mobile-menu-overlay .primary-menu li:last-child a {
    border-bottom: 1px solid var(--color-border-light);
}

.mobile-menu-overlay .primary-menu .menu-item-has-children > a::after {
    display: none !important;
}

.mobile-menu-overlay .primary-menu .menu-item-has-children {
    position: relative;
    display: block;
    width: 100%;
}

.mobile-menu-overlay .sub-menu {
    background: transparent;
    border-radius: 0;
    margin-top: 0;
    padding: 0;
    border-top: none;
    position: static;
    width: 100%;
    display: block;
    list-style: none;
    z-index: auto;
    clear: both;
}

.mobile-menu-overlay .sub-menu li {
    display: block;
    width: 100%;
    margin: 0;
}

.mobile-menu-overlay .sub-menu a {
    font-size: 1rem;
    padding: var(--spacing-sm) calc(var(--spacing-lg) + var(--spacing-md));
    border-bottom: 1px solid var(--color-border-light);
    color: rgba(51, 51, 51, 0.8);
    font-weight: 400;
    display: block;
    width: 100%;
}

.mobile-menu-overlay .sub-menu a:hover,
.mobile-menu-overlay .sub-menu a:focus-visible {
    background: var(--color-border-light);
    color: var(--color-text);
    border-bottom-color: var(--color-text);
}

.mobile-menu-overlay .screen-reader-text {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.mobile-menu-overlay :focus-visible {
    outline: 2px solid var(--color-text);
    outline-offset: 2px;
}

@media (forced-colors: active) {
    .mobile-menu-overlay :focus-visible {
        outline: 2px solid ButtonText;
        outline-offset: 2px;
    }
    
    .primary-menu a:focus-visible {
        outline: 2px solid ButtonText;
        outline-offset: 2px;
    }
    
    .menu-toggle:focus-visible {
        outline: 2px solid ButtonText;
        outline-offset: 2px;
    }
}

@media (min-width: 769px) {
    .mobile-menu-overlay {
        display: none !important;
    }
}

@media (prefers-contrast: high) {
    .primary-menu a {
        border: 1px solid currentColor;
    }
    .primary-menu .sub-menu {
        border: 2px solid currentColor;
    }
}

@media print {
    .main-navigation {
        display: none;
    }
}

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

#nav-desc {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.post-toc {
    background: var(--color-border-light);
    padding: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    border-left: 4px solid var(--color-text);
    border-radius: 4px;
    max-width: var(--narrow-width);
}

.post-toc h2 {
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
    color: var(--color-text);
    font-family: var(--font-family-body);
    font-weight: 600;
}

.post-toc ol {
    margin: 0;
    padding-left: var(--spacing-md);
    list-style: decimal;
}

.post-toc li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
}

.post-toc a {
    color: var(--color-text);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-fast);
    display: inline-block;
}

.post-toc a:hover, .post-toc a:focus-visible {
    border-bottom-color: var(--color-text);
}

.post-toc a:focus-visible {
    outline: 2px solid var(--color-text);
    outline-offset: 2px;
}

.post-toc .toc-level-3 { padding-left: var(--spacing-sm); }
.post-toc .toc-level-4 { padding-left: var(--spacing-md); }
.post-toc .toc-level-5 { padding-left: calc(var(--spacing-md) + var(--spacing-sm)); }
.post-toc .toc-level-6 { padding-left: calc(var(--spacing-md) * 2); }