/* ==========================================================================
   TABLE OF CONTENTS:
   1. Base Header Styles
   2. Secondary Navigation
   3. Primary Navigation
   4. Dropdown Menus
   5. Search Functionality
   6. Mobile Menu
   7. Accessibility
   8. Responsive Styles
   ========================================================================== */

/* ==========================================================================
   1. Base Header Styles
   ========================================================================== */
.site-header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
    font-family: var(--font-family-primary);
    font-size: var(--primary-menu-font-size);
    font-weight: 300;
}

.site-header a {
    text-decoration: none;
}

.site-branding {
    display: flex;
    align-self: center;
    max-height: 100%;
}

.site-branding img {
    height: auto;
    max-width: var(--primary-logo-width);
    object-fit: contain;
    display: block;
}

/* ==========================================================================
   2. Secondary Navigation
   ========================================================================== */
.secondary-nav-container {
    background-color: #e7e8e9;
    height: var(--secondary-menu-height);
    display: flex;
    justify-content: center;
}

.secondary-navigation {
    display: flex;
    align-items: center;
    max-width: var(--container-max-width);
    flex: 1;
    justify-content: flex-end;
    margin: 0 var(--container-margin-inline);
}

.secondary-menu-items {
    display: flex;
    list-style: none;
    margin: 0 1.5rem;
    padding: 0;
    font-weight: 600;
    align-items: center;
}

.secondary-menu-items li {
    margin-right: var(--margin-left-nav-items);
}

.secondary-menu-items li a {
    color: var(--color-black);
    font-size: var(--secondary-menu-font-size);
}

.secondary-menu-items li:last-child {
    margin-right: 0;
}
/* ==========================================================================
   3. Primary Navigation
   ========================================================================== */
.primary-nav-container {
    width: 100%;
    background: linear-gradient(to right, #111137, #23408b);
    height: var(--primary-menu-height);
    display: flex;
    justify-content: center;
}

.primary-nav-inner-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0 var(--container-margin-inline);
    width: var(--container-max-width);
    height: 100%;
}

.primary-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.menu-items {
    display: flex;
    list-style: none;
    justify-content: center;
    align-items: center;
    margin: 0;
    padding: 0;
    height: 100%;
}

.menu-items > li {
    position: relative;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    /* flex: 1; */
}

.primary-navigation.desktop-only
    #main-menu
    > .menu-item:not(.menu-item-has-children) {
    padding-left: 1.5rem;
}

.primary-navigation.desktop-only #main-menu > .menu-item {
    flex-direction: row;
    /* max-width: min-content; */
}

/* .primary-navigation.desktop-only #main-menu > .menu-item a {
    align-items: flex-start;
    padding-top: 30px;
    padding-bottom: 30px;
} */
.menu-items > li a {
    color: var(--color-white);
    text-decoration: none;
    font-size: var(--primary-menu-font-size);
    padding-left: 1.5rem;
}
.menu-items > li > a {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 100px;
    font-weight: 500;
}

.menu-items > li:hover {
    background-color: #f1f2f3;
}

.menu-items > li:hover a {
    color: var(--color-black);
}

.menu-items > li:last-child {
    margin-right: 0;
}

.menu-button {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: #0066cc;
    color: #fff;
    border-radius: 4px;
    text-decoration: none;
}

.menu-button:hover,
.menu-button:focus {
    background-color: #0052a3;
}

@media (max-width: 1023px) {
    .primary-nav-container {
        max-height: 66.3px;
        padding: 20px 20px 20px var(--mobile-horizontal-padding);
    }
    .primary-nav-inner-container {
        margin: 0 !important;
    }
}

/* ==========================================================================
   4. Dropdown Menus
   ========================================================================== */
li.menu-item-has-children {
    display: flex;
}

.primary-navigation > ul > .menu-item:not(.menu-item-has-children) {
    padding-right: 1.5rem;
}

.primary-navigation > ul > .menu-item:not(.menu-item-has-children) a {
    padding-left: 0px;
}

.sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: max-content;
    min-width: 200px;
    max-width: 300px;
    background-color: #f3f1f2;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    list-style: none;
    margin: 0;
    padding: 0;
    opacity: 0;
    visibility: hidden;
    -webkit-transform: translateY(-5px);
    transform: translateY(-5px);
    -webkit-transition: opacity 0.25s ease, visibility 0.25s ease,
        -webkit-transform 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transition: opacity 0.25s ease, visibility 0.25s ease,
        transform 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.sub-menu.is-active {
    opacity: 1;
    visibility: visible;
    background: #f3f2f2;
    -webkit-transform: translateY(0);
    transform: translateY(0);
}

.sub-menu a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--color-black) !important;
    width: 100% !important;
    text-decoration: none;
    font-size: var(--primary-menu-font-size) !important;
    font-weight: 500 !important;
}

.sub-menu a:hover,
.sub-menu a:focus {
    background-color: white;
}

.dropdown-toggle {
    background: none;
    border: none;
    padding: 1rem 1.5rem 1rem 0.75rem;
    margin-left: 0.25rem;
    cursor: pointer;
    color: var(--color-california-gold);
    margin-top: 3px;
    pointer-events: none;
}

.sub-menu .dropdown-toggle {
    color: var(--color-blue-medium);
    margin-right: 15px;
    padding: 0.25rem 0.75rem 0.25rem 0.5rem;
}

.dropdown-icon {
    display: block;
    width: 8px;
    height: 8px;
    border-style: solid;
    border-width: 0 2px 2px 0;
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
    -webkit-transition: -webkit-transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        margin 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        margin 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 5px;
}

.sub-menu .dropdown-toggle[aria-expanded="true"] .dropdown-icon {
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
}
.sub-menu li.menu-item-has-children.open-to-left > .dropdown-toggle[aria-expanded="true"] .dropdown-icon {
    -webkit-transform: rotate(135deg);
    transform: rotate(135deg);
}

.dropdown-toggle[aria-expanded="true"] .dropdown-icon {
    -webkit-transform: rotate(-135deg);
    transform: rotate(-135deg);
    margin-top: 5px;
}

/* ==========================================================================
   5. Search Functionality
   ========================================================================== */
.search-container {
    position: relative;
    display: flex;
    align-items: center;
    width: 36px;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.search-container::before {
    content: "";
    position: absolute;
    left: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 24px;
    background-color: var(--color-black);
    opacity: 0.5;
}

/* Search Toggle Button - Hide when search is active */
.search-toggle {
    background: none;
    border: none;
    /* padding: 0.5rem; */
    /* margin: 0; */
    cursor: pointer;
    color: #333;
    /* transition: color 0.3s ease, opacity 0.3s ease, visibility 0.3s ease; */
    z-index: 2;
    position: relative;
    flex-shrink: 0;
    margin-left: 12px;
}

.search-toggle:hover,
.search-toggle:focus {
    color: var(--color-berkeley-blue);
}

/* Hide toggle button when search is active */
.search-container.is-active .search-toggle {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.search-icon {
    width: 20px;
    height: 20px;
}
.search-icon path {
    stroke-width: 0.1;
}

/* Inline search form container */
.search-form-container {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    overflow: hidden;
    transition: width 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
}

.search-container {
    transition: width 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.search-form-container.is-active {
    width: 320px;
}

.search-container.is-active {
    width: 320px;
}

.search-form {
    width: 320px;
    height: 100%;
    display: flex;
    align-items: center;
}

.search-input-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
}

.search-field {
    width: 100%;
    padding: 0.5rem 2.5rem 0.5rem 1rem;
    border: none;
    border-bottom: 2px solid var(--color-blue-medium);
    background-color: transparent;
    font-size: 1rem;
    font-family: var(--font-family-primary);
    color: var(--color-black);
    outline: none;
    transition: border-color 0.3s ease;
}

.search-field::placeholder {
    color: black;
    opacity: 0.8;
}

.search-submit {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: 0.5rem; /* Match toggle button padding */
    margin: 0;
    cursor: pointer;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333; /* Match toggle button color */
    transition: color 0.3s ease, opacity 0.3s ease;
    flex-shrink: 0;
    /* Initially hidden */
    opacity: 0;
    visibility: hidden;
}

/* Show submit button when search is active */
.search-container.is-active .search-submit {
    opacity: 1;
    visibility: visible;
}

.search-submit:hover,
.search-submit:focus {
    color: var(--color-berkeley-blue);
    border-radius: 4px;
}

.search-icon:hover {
    outline: var(--color-berkeley-blue);
    border: var(--color-berkeley-blue);
}
.search-toggle:focus {
    outline: 2px solid var(--color-blue-medium);
    outline-offset: 2px;
}

.search-submit svg {
    width: 20px; /* Match toggle button icon size */
    height: 20px;
}

/* Animation states */
.search-container.search-opening {
    width: 320px;
}

.search-container.search-opening .search-form-container {
    /* width: 280px; */
    width: 320px;
}

.search-container.search-closing {
    width: 36px;
}

.search-container.search-closing .search-form-container {
    width: 0;
}

/* Ensure smooth transitions during state changes */
.search-container.search-opening .search-toggle {
    opacity: 0;
    visibility: hidden;
}

.search-container.search-opening .search-submit {
    opacity: 1;
    visibility: visible;
}

.search-container.search-closing .search-toggle {
    opacity: 1;
    visibility: visible;
}

.search-container.search-closing .search-submit {
    opacity: 0;
    visibility: hidden;
}

/* Desktop-only styles - this entire section only applies to desktop */
@media (min-width: 1024px) {
    /* All the above styles are already wrapped in this media query context via the parent elements */
}

/* On mobile, keep the original dropdown behavior */
@media (max-width: 1023px) {


    /* Ancestor items: lower-intensity path indicator */
    .mobile-menu-container .current-menu-ancestor > a,
    .mobile-navigation .current-menu-ancestor > a {
        border-left: 3px solid var(--color-blue-medium);
        padding-left: calc(var(--mobile-horizontal-padding) - 3px);
    }

    /* Current page item: stronger indicator — exact active page
       White background + science-blue text mirrors what the expanded-parent
       rule used to do, but anchored to the actual current page instead. */
    .mobile-menu-container .current-menu-item > a,
    .mobile-navigation .current-menu-item > a {
        border-left: 3px solid var(--color-berkeley-blue);
        padding-left: calc(var(--mobile-horizontal-padding) - 3px);
        background-color: white;
        color: var(--color-blue-medium) !important;
        font-weight: 500;
    }

    .search-submit {
        opacity: 1 !important;
        visibility: visible !important;
        padding-right: calc(var(--mobile-horizontal-padding) - 4px);
    }
    .search-form {
        width: 100%;
    }

    .search-form-container {
        position: absolute;
        right: 0;
        top: 100%;
        width: 100%;
        padding: 1rem;
        background-color: #fff;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
        z-index: 1001;
        transform: none;
        overflow: visible;
        transition: none;
    }

    .search-form-container.is-active {
        width: 100% !important;
    }

    .search-field {
        border: none;
        border-radius: 4px;
        background-color: white;
        padding: 1rem var(--mobile-horizontal-padding);
    }
    .search-icon {
        fill: var(--color-blue-medium);
    }
}

/* ==========================================================================
   6. Mobile Menu
   ========================================================================== */
/* Mobile menu toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    position: relative;
    width: 40px;
    height: 40px;
}

/* Image icons for menu toggle */
.menu-toggle .icon-hamburger,
.menu-toggle .icon-close {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease, transform 0.3s ease;
    width: 45px;
    height: 45px;
}

/* Show hamburger by default */
.menu-toggle .icon-hamburger {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(0deg);
}

/* Hide close icon by default */
.menu-toggle .icon-close {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(-90deg);
}

/* When mobile menu is open */
.mobile-menu-open .menu-toggle .icon-hamburger {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(90deg);
}

.mobile-menu-open .menu-toggle .icon-close {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(0deg);
}

/* Mobile menu container */
.mobile-menu-container {
    position: fixed;
    top: 66px;
    right: 0;
    bottom: 0;
    width: 100%;
    background-color: #f2f2f2;
    box-shadow: -2px 0 5px rgba(0, 0, 0, 0.2);
    z-index: 2000;
    overflow-y: auto;
    -webkit-transform: translateX(100%);
    transform: translateX(100%);
    -webkit-transition: -webkit-transform 0.35s cubic-bezier(0.25, 1, 0.5, 1);
    transition: transform 0.35s cubic-bezier(0.25, 1, 0.5, 1);
    will-change: transform;
}

/* Adjust mobile menu position when emergency banner is present */
body:has(.emergency-text) .mobile-menu-container {
    top: calc(66px + 56px);
}

.mobile-menu-container:not([hidden]) {
    -webkit-transform: translateX(0);
    transform: translateX(0);
}

.mobile-menu-inner {
    padding-top: 1.5rem;
    background-color: #f2f2f2;
}

.mobile-search {
    padding-top: 0;
}

.mobile-search svg {
    width: 1rem;
    height: 1rem;
}

.mobile-search svg path {
    stroke: var(--color-blue-medium);
}

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

.mobile-navigation li {
    position: relative;
    border-bottom: 1px solid #adadad;
}

.mobile-navigation li:last-of-type {
    border-bottom: none;
}

.mobile-navigation li:nth-last-of-type(2):has(+ li select) {
    border-bottom: none;
}

.mobile-navigation .menu-item-gtranslate {
    display: flex;
    justify-content: center;
    margin: 1rem var(--mobile-horizontal-padding);
}

.nav-separator {
    height: 10px;
    background: linear-gradient(to right, #111137, #23408b);
    margin: 0.5rem 0;
}

.mobile-navigation a {
    display: block;
    padding: 0.75rem 45px 0.75rem var(--mobile-horizontal-padding);
    color: var(--color-black);
    text-decoration: none;
    font-size: var(--primary-menu-font-size);
    font-weight: 500;
}

/* Mobile menu dropdown styles */
.mobile-navigation .sub-menu {
    position: static;
    width: 100%;
    box-shadow: none;
    padding-left: 1rem;
    max-height: 0;
    overflow: hidden;
    opacity: 1;
    visibility: visible;
    -webkit-transition: max-height 0.4s cubic-bezier(0.33, 1, 0.68, 1);
    transition: max-height 0.4s cubic-bezier(0.33, 1, 0.68, 1);
    background-color: #f2f1f2;
}

.mobile-navigation .sub-menu.is-active {
    max-height: 1000px;
}

/* Body class when mobile menu is open */
body.mobile-menu-open {
    overflow: hidden;
}

/* ==========================================================================
   7. Accessibility
   ========================================================================== */

.site-header a:focus-visible,
.site-header button:focus-visible {
    outline: 2px solid var(--color-california-gold);
    outline-offset: 2px;
}

/* ==========================================================================
   8. Responsive Styles
   ========================================================================== */
/* Mobile styles */
@media (max-width: 1023px) {
    .primary-nav-inner-container {
        margin: 0 !important;
    }

    /* Reset any horizontal positioning for mobile */
    .mobile-navigation .sub-menu,
    .mobile-menu-container .sub-menu,
    .mobile-menu-container .sub-menu .sub-menu {
        position: static !important; /* Override any absolute positioning */
        left: auto !important;
        top: auto !important;
        width: 100% !important;
        box-shadow: none;
        transform: none !important;
        -webkit-transform: none !important;
        min-width: 0;
        opacity: 1;
        visibility: visible;
        -webkit-transition: max-height 0.3s;
        transition: max-height 0.3s;
        max-height: 0;
        overflow: hidden;
        background-color: #f2f1f2;

        width: 100%;
        min-width: initial;
        max-width: initial;
    }

    /* Active state for mobile submenus */
    .mobile-navigation .sub-menu.is-active,
    .mobile-menu-container .sub-menu.is-active {
        max-height: 2000px; /* Increased to accommodate larger submenus */
    }

    /* Create vertical indentation for child menu items */
    .mobile-navigation .sub-menu,
    .mobile-menu-container .sub-menu {
        padding-left: 1rem;
        margin-left: 0;
    }

    /* Style for menu items with children on mobile */
    .mobile-navigation .menu-item-has-children,
    .mobile-menu-container .menu-item-has-children {
        position: relative;
        display: block;
    }

    /* Position dropdown toggle button for mobile */
    .mobile-navigation .dropdown-toggle,
    .mobile-menu-container .dropdown-toggle {
        position: absolute;
        right: 0;
        top: 0.25rem;
        padding: 1rem calc(var(--mobile-horizontal-padding) + 8px) 1rem 1rem;
        margin: 0 !important;
        pointer-events: initial !important;
    }

    .mobile-navigation .dropdown-toggle .dropdown-icon {
        color: var(--color-blue-medium) !important;
        width: 9px;
        height: 9px;
    }

    /* Change dropdown icon orientation for mobile */
    .mobile-navigation .dropdown-icon,
    .mobile-menu-container .dropdown-icon {
        -webkit-transform: rotate(45deg); /* Point down instead of right */
        transform: rotate(45deg);
    }

    .mobile-navigation .dropdown-toggle[aria-expanded="true"] .dropdown-icon,
    .mobile-menu-container
        .dropdown-toggle[aria-expanded="true"]
        .dropdown-icon {
        -webkit-transform: rotate(-135deg); /* Point up when expanded */
        transform: rotate(-135deg);
    }


    .mobile-navigation .menu-item:has(button[aria-expanded="true"]) > a {
        color: black !important;
        font-weight: 500;
        -webkit-transition: color 0.2s ease;
        transition: color 0.2s ease;
    }

    /* Remove any right-arrow indicators for mobile submenus */
    .mobile-navigation .sub-menu li.menu-item-has-children > a:after,
    .mobile-menu-container .sub-menu li.menu-item-has-children > a:after {
        content: none;
    }

    .mobile-navigation .sub-menu {
        position: static;
        width: 100%;
        left: auto;
        box-shadow: none;
    }

    /* Hide desktop navigation elements */
    .desktop-only {
        display: none;
    }

    /* Show mobile navigation elements */
    .mobile-only {
        display: block;
    }

    .menu-toggle {
        display: block;
    }

    .primary-nav-container {
        max-height: 66.3px;
        padding: 20px 20px 20px var(--mobile-horizontal-padding);
    }
}

/* Small screens */
@media (max-width: 1023px) {
    .site-branding {
        display: flex;
        align-self: center;
        max-height: 100%;
        margin-left: -5px;
    }

    .site-branding img {
        max-height: auto;
        width: 192px;
        object-fit: contain;
        display: block;
    }
}

/* Desktop styles */
@media (min-width: 1024px) {
    .site-header {
        background-color: #e7e8e9;
    }
    .menu-items > li.menu-item-has-children:hover > .sub-menu {
        opacity: 1;
        visibility: visible;
        background: #F4F3F3;
    }

    /* Nested dropdowns (second level and deeper) */
    .sub-menu li.menu-item-has-children {
        position: relative;
    }

    .sub-menu li.menu-item-has-children:hover {
        background: white;
    }

    .menu-item li:hover > a {
        color: var(--color-blue-medium) !important;
        font-weight: 400;
    }

    /* Position child submenus horizontally */
    .sub-menu .sub-menu {
        position: absolute;
        top: 0;
        left: 100%;
        min-width: 200px;
    }

    .sub-menu.open-to-left {
        left: auto;
        right: 0;
    }

    /* Alternative position for edge cases (to the left) */
    .sub-menu .sub-menu.open-to-left {
        left: auto;
        right: 100%;
        margin-left: 0;
    }

    /* Show nested submenus on hover */
    .sub-menu li.menu-item-has-children:hover > .sub-menu {
        opacity: 1;
        visibility: visible;
        background: #F4F3F3;
    }

    /* Hide mobile navigation elements */
    .mobile-only {
        display: none;
    }

    /* Show desktop navigation elements */
    .desktop-only {
        display: flex;
    }

    .primary-navigation {
        display: flex;
    }

    /* Desktop navigation styles */
    .primary-navigation .sub-menu {
        display: block;
    }

    .secondary-nav-container {
        transition: transform 0.28s ease, height 0.28s ease, opacity 0.2s ease;
        will-change: transform, height;
        overflow: hidden;
    }

    .secondary-nav-container.is-hidden {
        transform: translateY(-100%);
        height: 0;
        opacity: 0;
        pointer-events: none;
    }
}