/* Global top navigation. Visual language follows the Hub admin header. */
:root {
    --site-nav-height: 36px;
    --site-nav-bg: #292d33;
    --site-nav-bg-hover: #202328;
    --site-nav-border: #383d45;
    --site-nav-text: #bbbbbb;
    --site-nav-text-strong: #eeeeee;
    --tiat-border-soft: #e5e7eb;
}

.site-nav {
    position: sticky;
    top: 0;
    z-index: 25;
    display: flex;
    align-items: stretch;
    height: var(--site-nav-height);
    padding: 0 12px;
    background: var(--site-nav-bg);
    border-bottom: 1px solid var(--site-nav-border);
    font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
        "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 14px;
    color: var(--site-nav-text);
}

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

.site-nav button {
    margin: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    font-family: inherit;
    cursor: pointer;
}

.site-nav__nav {
    display: flex;
    flex: 1 1 auto;
    align-items: stretch;
    min-width: 0;
    scrollbar-width: none;
}

.site-nav__nav::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
}

.site-nav__brand,
.site-nav__toggle {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    height: var(--site-nav-height);
    padding: 0 12px;
    border-right: 1px solid var(--site-nav-border);
    color: var(--site-nav-text);
    font-size: 14px;
    line-height: 1.25;
    white-space: nowrap;
}

/* The generic button reset has higher specificity than the class alone. */
.site-nav button.site-nav__toggle {
    border-right: 1px solid var(--site-nav-border);
}

.site-nav__brand {
    padding: 0 20px;
    border-left: 1px solid var(--site-nav-border);
    color: var(--site-nav-text-strong);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.site-nav__brand:focus-visible,
.site-nav__toggle:focus-visible,
.site-nav__search:focus-visible,
.site-nav__item:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: -2px;
}

.site-nav__brand:hover,
.site-nav__toggle:hover,
.site-nav__toggle[aria-expanded="true"],
.site-nav__toggle.is-active {
    background: var(--site-nav-bg-hover);
    color: var(--site-nav-text-strong);
}

.site-nav__toggle.is-active {
    box-shadow: none;
}

.site-nav__group {
    position: relative;
    display: flex;
    align-items: stretch;
    flex-shrink: 0;
}

.site-nav__panel {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 26;
    min-width: 220px;
    max-width: 340px;
    max-height: calc(100vh - var(--site-nav-height));
    overflow-y: auto;
    padding: 4px 0;
    border: 1px solid var(--site-nav-border);
    border-top: 0;
    background: var(--site-nav-bg-hover);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
}

.site-nav__panel[hidden] {
    display: none;
}

.site-nav__item {
    display: block;
    padding: 8px 12px;
    color: var(--site-nav-text);
    font-size: 13px;
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.site-nav__item:hover,
.site-nav__item:focus-visible {
    background: var(--site-nav-bg);
    color: var(--site-nav-text-strong);
}

.site-nav__item.is-active {
    background: var(--site-nav-bg);
    color: var(--site-nav-text-strong);
    font-weight: 500;
    box-shadow: none;
}

.site-nav__item--external::after {
    content: "↗";
    margin-left: 6px;
    font-size: 11px;
    opacity: 0.65;
}

@media (max-width: 1024px) {
    .site-nav__nav {
        overflow-x: auto;
    }

    .site-nav__brand,
    .site-nav__toggle {
        padding: 0 8px;
        font-size: 13px;
    }

    .site-nav__panel {
        position: fixed;
        top: var(--site-nav-height);
        right: 0;
        left: 0;
        min-width: 0;
        max-width: none;
        border-left: 0;
        border-right: 0;
    }
}

@media (max-width: 720px) {
    body.layout-tool-page .layout {
        height: auto;
    }

    body.layout-tool-page .editor-panel {
        height: auto;
        max-height: none;
    }
}


/* ---- Global tool search ---- */

.site-nav button.site-nav__search {
    border-left: 1px solid var(--site-nav-border);
}

.site-nav__search {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 40px;
    height: var(--site-nav-height);
    padding: 0;
    color: var(--site-nav-text);
}

.site-nav__search:hover,
.site-nav__search[aria-expanded="true"] {
    background: var(--site-nav-bg-hover);
    color: var(--site-nav-text-strong);
}

.site-nav__search svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.site-search {
    align-items: flex-start;
    position: fixed;
    top: var(--site-nav-height);
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 24;
    display: flex;
    justify-content: center;
    padding: 24px 16px 40px;
}

.site-search[hidden] {
    display: none;
}

.site-search__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(17, 24, 39, 0.38);
}

.site-search__dialog {
    position: relative;
    display: flex;
    flex-direction: column;
    width: min(560px, 100%);
    max-height: calc(100vh - var(--site-nav-height) - 48px);
    border: 1px solid #d9d9d9;
    background: #ffffff;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.24);
}

.site-search__head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-bottom: 1px solid #e5e5e5;
}

.site-search__head svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: #777777;
}

.site-search__input,
.site-search__input:focus {
    flex: 1 1 auto;
    min-width: 0;
    height: 32px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    color: #111111;
    font-family: inherit;
    font-size: 15px;
    outline: none;
}

.site-search__input::placeholder {
    color: #999999;
}

.site-search__close svg {
    width: 18px;
    height: 18px;
    display: block;
}

.site-search__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    border: 0;
    background: transparent;
    color: #777777;
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
}

.site-search__close:hover,
.site-search__close:focus-visible {
    background: #f2f2f2;
    color: #000000;
}

.site-search__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 14px;
    border-bottom: 1px solid #eeeeee;
    color: #888888;
    font-size: 11px;
}

.site-search__meta kbd {
    padding: 2px 5px;
    border: 1px solid #dddddd;
    background: #fafafa;
    color: #666666;
    font-family: inherit;
    font-size: 10px;
}

.site-search__results {
    min-height: 80px;
    overflow-y: auto;
    overscroll-behavior: contain;
}

.site-search__result {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 10px 14px;
    border-bottom: 1px solid #f0f0f0;
    color: #111111;
    text-decoration: none;
}

.site-search__result:hover,
.site-search__result.is-active {
    background: #f5f5f5;
}

.site-search__result-name {
    min-width: 0;
    font-size: 14px;
    line-height: 1.45;
}

.site-search__result-group {
    flex-shrink: 0;
    padding: 2px 6px;
    border: 1px solid #e3e3e3;
    color: #777777;
    font-size: 10px;
    line-height: 1.4;
}

.site-search__empty {
    margin: 0;
    padding: 32px 16px;
    color: #777777;
    font-size: 14px;
    text-align: center;
}

@media (max-width: 720px) {

    .site-search {
        padding: 12px 10px 24px;
    }

    .site-search__dialog {
        max-height: calc(100vh - var(--site-nav-height) - 24px);
    }

    body:not(.ui-editor) input.site-search__input,
    body:not(.ui-editor) input.site-search__input:focus {
        font-size: 16px;
    }
}

/* Keep the search field borderless inside the dialog, above the generic form layer. */
body:not(.ui-editor) input.site-search__input,
body:not(.ui-editor) input.site-search__input:focus {
    height: 32px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    color: #111111;
    font-family: inherit;
    font-size: 15px;
    outline: none;
}

@media (max-width: 720px) {
    body:not(.ui-editor) input.site-search__input,
    body:not(.ui-editor) input.site-search__input:focus {
        font-size: 16px;
    }
}


/* ---- Language switch ---- */

.site-nav__lang {
    position: relative;
    display: flex;
    align-items: stretch;
    flex-shrink: 0;
    border-left: 1px solid var(--site-nav-border);
    border-right: 1px solid var(--site-nav-border);
}

.site-nav__lang-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: var(--site-nav-height);
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--site-nav-text);
    cursor: pointer;
}

.site-nav__lang-toggle svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.site-nav__lang-toggle:hover,
.site-nav__lang-toggle[aria-expanded="true"] {
    background: var(--site-nav-bg-hover);
    color: var(--site-nav-text-strong);
}

.site-nav__lang-toggle:focus-visible,
.site-nav__lang-option:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: -2px;
}

.site-nav__lang-menu {
    position: absolute;
    top: 100%;
    right: 0;
    z-index: 26;
    min-width: 132px;
    padding: 4px 0;
    border: 1px solid var(--site-nav-border);
    border-top: 0;
    background: var(--site-nav-bg-hover);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
}

.site-nav__lang-menu[hidden] {
    display: none;
}

.site-nav__lang-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    color: var(--site-nav-text);
    font-size: 12px;
    line-height: 1.4;
    text-decoration: none;
    white-space: nowrap;
}

.site-nav__lang-option:hover,
.site-nav__lang-option.is-active {
    background: var(--site-nav-bg);
    color: var(--site-nav-text-strong);
}

.site-nav__lang-option.is-disabled {
    opacity: 0.45;
    cursor: default;
}

.site-nav__lang-option.is-disabled:hover {
    background: transparent;
    color: var(--site-nav-text);
}

.site-nav__lang-option.is-active::after {
    content: "✓";
    margin-left: auto;
    color: #ffffff;
    font-size: 11px;
    opacity: 1;
}

@media (max-width: 720px) {
    .site-nav__lang-toggle {
        width: 36px;
    }

    .site-nav__lang-menu {
        right: 0;
    }
}


.site-search__meta[hidden],
.site-search__results[hidden] {
    display: none;
}

/* Compact search field with the icon inside the input frame */
.site-search__head {
    padding: 12px;
    border-bottom: 1px solid #e5e5e5;
}

.site-search__field {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
    height: 42px;
    border: 1px solid #d1d5db;
    background: #ffffff;
}

.site-search__field:focus-within {
    border-color: #111111;
}

.site-search__field > svg {
    position: absolute;
    z-index: 2;
    left: 12px;
    width: 17px;
    height: 17px;
    color: #777777;
    pointer-events: none;
}

.site-search__input,
.site-search__input:focus {
    width: 100%;
    height: 40px;
    padding: 0 38px 0 46px;
    border: 0;
    background: transparent;
    font-size: 15px;
    box-shadow: none;
}

.site-search__input::-webkit-search-cancel-button,
.site-search__input::-webkit-search-decoration {
    -webkit-appearance: none;
    appearance: none;
    display: none;
}

.site-search__clear {
    position: absolute;
    z-index: 2;
    right: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    padding: 0;
    border: 0;
    background: transparent;
    color: #777777;
    cursor: pointer;
}

.site-search__clear[hidden] {
    display: none;
}

.site-search__clear svg {
    width: 14px;
    height: 14px;
    display: block;
}

.site-search__clear:hover,
.site-search__clear:focus-visible {
    background: #f2f2f2;
    color: #000000;
}

/* Keep the custom in-field padding above the generic form input layer. */
body:not(.ui-editor) input.site-search__input,
body:not(.ui-editor) input.site-search__input:focus {
    height: 40px;
    padding: 0 38px 0 46px;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

/* ---- Mobile navigation ---- */

.site-nav__menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 40px;
    height: var(--site-nav-height);
    padding: 0;
    border-left: 1px solid var(--site-nav-border);
    color: var(--site-nav-text);
}

.site-nav__menu-toggle svg {
    width: 18px;
    height: 18px;
}

.site-nav__menu-close {
    display: none;
}

.site-nav button.site-nav__menu-toggle.is-open {
    background: var(--site-nav-bg-hover);
    color: var(--site-nav-text-strong);
}

.site-nav__menu-toggle.is-open .site-nav__menu-open {
    display: none;
}

.site-nav__menu-toggle.is-open .site-nav__menu-close {
    display: inline-flex;
}

.site-nav__mobile-panel {
    display: none;
}

body.site-nav-open {
    overflow: hidden;
}

@media (max-width: 1024px) {
    .site-nav__nav {
        overflow: visible;
    }

    .site-nav__group {
        display: none;
    }

    .site-nav__menu-toggle {
        display: flex;
        margin-left: auto;
    }

    .site-nav__mobile-panel:not([hidden]) {
        position: fixed;
        top: var(--site-nav-height);
        right: 0;
        bottom: 0;
        left: 0;
        z-index: 24;
        display: block;
        overflow-y: auto;
        overscroll-behavior: contain;
        background: var(--site-nav-bg);
        border-top: 1px solid var(--site-nav-border);
    }

    .site-nav__mobile-nav {
        width: 100%;
        max-width: 720px;
        margin: 0 auto;
        padding: 20px 20px 48px;
        box-sizing: border-box;
    }

    .site-nav__mobile-group {
        margin-top: 20px;
        padding-top: 0;
    }

    .site-nav__mobile-title {
        margin: 0 0 2px;
        color: #9aa0a8;
        font-size: 12px;
        font-weight: 500;
    }

    .site-nav__mobile-group .site-nav__item {
        display: block;
        padding: 10px 0;
        color: var(--site-nav-text);
        font-size: 15px;
        white-space: normal;
        overflow: visible;
        text-overflow: clip;
    }

    .site-nav__mobile-group .site-nav__item:hover,
    .site-nav__mobile-group .site-nav__item:focus-visible {
        background: transparent;
        color: var(--site-nav-text-strong);
    }

    .site-nav__mobile-group .site-nav__item.is-active {
        background: transparent;
        color: #ffffff;
        font-weight: 600;
    }
}