/**
* Mislens site header.
*
* 文件位置：
* /wp-content/themes/mislens-theme-v2/assets/css/header.css
*
* 职责：
* 1. Logo 与主导航。
* 2. PC Language / Search / Inquiry List 工具区。
* 3. Header 产品搜索面板。
* 4. Mobile Search / Inquiry List / Menu。
* 5. Mobile Navigation / Language。
*/


/* ==========================================================================
1. Header 基础
========================================================================== */

.mislens-site-header {
    position: relative;
    z-index: 1000;

    width: 100%;

    border-bottom: 1px solid var(--mislens-border);

    background: var(--mislens-white);
}

.mislens-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;

    min-height: 76px;

    gap: 26px;
}


/* ==========================================================================
2. Logo
========================================================================== */

.mislens-header-brand {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
}

.mislens-header-logo-link {
    display: inline-flex;
    align-items: center;

    text-decoration: none;
}

.mislens-header-logo {
    display: block;

    width: auto;
    max-width: 180px;
    height: 48px;

    object-fit: contain;
}


/* ==========================================================================
3. PC 主导航
========================================================================== */

.mislens-primary-navigation {
    display: flex;
    flex: 1 1 auto;
    align-items: center;
    justify-content: center;

    min-width: 0;
}

.mislens-primary-menu {
    display: flex;
    align-items: center;
    justify-content: center;

    gap: 30px;

    margin: 0;
    padding: 0;

    list-style: none;
}

.mislens-primary-menu li {
    position: relative;

    margin: 0;
}

.mislens-primary-menu a {
    display: flex;
    align-items: center;

    min-height: 76px;

    color: var(--mislens-text);

    font-size: 14px;
    line-height: 1.3;
    font-weight: 600;

    text-decoration: none;
    white-space: nowrap;

    transition:
        color var(--mislens-transition),
        opacity var(--mislens-transition);
}

.mislens-primary-menu a:hover,
.mislens-primary-menu a:focus-visible,
.mislens-primary-menu .current-menu-item > a,
.mislens-primary-menu .current-menu-ancestor > a {
    color: var(--mislens-black);

    opacity: 0.65;
}


/* ==========================================================================
4. PC 二级菜单
========================================================================== */

.mislens-primary-menu .sub-menu {
    position: absolute;
    top: calc(100% - 1px);
    left: 50%;
    z-index: 100;

    min-width: 220px;

    margin: 0;
    padding: 12px 0;

    border: 1px solid var(--mislens-border);
    border-radius: 8px;

    background: var(--mislens-white);

    box-shadow:
        0 14px 40px
        rgba(17, 17, 17, 0.10);

    list-style: none;

    opacity: 0;
    visibility: hidden;

    transform: translate(-50%, 10px);

    transition:
        opacity var(--mislens-transition),
        visibility var(--mislens-transition),
        transform var(--mislens-transition);
}

.mislens-primary-menu li:hover > .sub-menu,
.mislens-primary-menu li:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;

    transform: translate(-50%, 0);
}

.mislens-primary-menu .sub-menu a {
    min-height: auto;

    padding: 11px 20px;

    font-size: 14px;
    font-weight: 500;

    white-space: nowrap;
}

.mislens-primary-menu .sub-menu .sub-menu {
    top: -13px;
    left: calc(100% + 8px);

    transform: translate(10px, 0);
}

.mislens-primary-menu .sub-menu li:hover > .sub-menu,
.mislens-primary-menu .sub-menu li:focus-within > .sub-menu {
    transform: translate(0, 0);
}


/* ==========================================================================
5. Header 工具区
========================================================================== */

.mislens-header-actions {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: flex-end;

    gap: 7px;
}


/*
* GeneratePress / 全局 button 样式可能给 Header 工具按钮加背景。
* Header 自己明确重置。
*/

.mislens-header-actions button,
.mislens-header-language button {
    margin: 0;

    font-family: inherit;

    box-shadow: none;

    appearance: none;
}


/* ==========================================================================
6. Language Switcher
========================================================================== */

.mislens-header-language {
    position: relative;

    display: flex;
    align-items: center;
}

.mislens-header-language__toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    gap: 7px;

    min-height: 40px;

    padding:
        0
        14px;

    border: 1px solid #e3d8db;
    border-radius: 999px;

    background: #ffffff;

    color: #252525;

    font-size: 13px;
    line-height: 1;
    font-weight: 500;

    cursor: pointer;

    transition:
        border-color var(--mislens-transition),
        background var(--mislens-transition),
        color var(--mislens-transition);
}

.mislens-header-language__toggle:hover,
.mislens-header-language__toggle:focus-visible {
    border-color: #cfc1c5;

    background: #fafafa;

    color: #111111;
}

.mislens-header-language__toggle:focus-visible {
    outline: 2px solid #222222;
    outline-offset: 2px;
}

.mislens-header-language__chevron {
    flex: 0 0 auto;

    transition:
        transform var(--mislens-transition);
}

.mislens-header-language__toggle[aria-expanded="true"]
.mislens-header-language__chevron {
    transform: rotate(180deg);
}

.mislens-header-language__menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    z-index: 120;

    min-width: 160px;

    padding: 7px;

    border: 1px solid var(--mislens-border);
    border-radius: 7px;

    background: #ffffff;

    box-shadow:
        0 12px 36px
        rgba(17, 17, 17, 0.10);
}

.mislens-header-language__menu[hidden] {
    display: none;
}

.mislens-header-language__option {
    display: block;

    padding:
        9px
        11px;

    border-radius: 4px;

    color: #444444;

    font-size: 13px;
    line-height: 1.4;
    font-weight: 500;

    text-decoration: none;
}

.mislens-header-language__option:hover,
.mislens-header-language__option:focus-visible {
    background: #f5f5f5;

    color: #111111;
}

.mislens-header-language__option.is-current {
    color: #111111;

    font-weight: 700;
}


/* ==========================================================================
7. Search / Inquiry 工具按钮
========================================================================== */

.mislens-header-tool {
    position: relative;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    width: 42px;
    height: 42px;

    min-width: 42px;
    min-height: 42px;

    padding: 0;

    border: 0;
    border-radius: 50%;

    background: transparent;

    color: #222222;

    cursor: pointer;

    transition:
        background var(--mislens-transition),
        color var(--mislens-transition);
}

.mislens-header-tool:hover,
.mislens-header-tool:focus,
.mislens-header-tool:focus-visible {
    border: 0;

    background: #f5f5f5;

    color: #000000;

    outline: none;
}

.mislens-header-tool:focus-visible {
    box-shadow:
        0 0 0 2px #222222;
}

.mislens-header-tool svg {
    display: block;

    flex: 0 0 auto;
}


/* ==========================================================================
8. Inquiry 数量角标
========================================================================== */

.mislens-header-inquiry-count {
    position: absolute;
    top: 1px;
    right: 0;

    display: flex;
    align-items: center;
    justify-content: center;

    min-width: 18px;
    height: 18px;

    padding:
        0
        4px;

    border: 2px solid #ffffff;
    border-radius: 999px;

    background: #ddacac;

    color: #ffffff;

    font-size: 9px;
    line-height: 1;
    font-weight: 700;

    pointer-events: none;
}


/* ==========================================================================
9. Header Search Panel
========================================================================== */

.mislens-header-search {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 90;

    width: 100%;

    border-top: 1px solid var(--mislens-border);
    border-bottom: 1px solid var(--mislens-border);

    background: #ffffff;

    box-shadow:
        0 10px 25px
        rgba(17, 17, 17, 0.05);
}

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

.mislens-header-search__form {
    display: flex;
    align-items: center;

    width: 100%;
    min-height: 74px;

    gap: 12px;
}

.mislens-header-search__icon {
    flex: 0 0 auto;

    color: #777777;
}

.mislens-header-search__input {
    flex: 1 1 auto;

    width: 100%;
    min-width: 0;
    height: 46px;

    margin: 0;

    padding:
        0
        4px;

    border: 0;

    background: transparent;

    color: #222222;

    font-family: inherit;
    font-size: 16px;
    line-height: 1.4;

    outline: none;

    box-shadow: none;
}

.mislens-header-search__input:focus {
    border: 0;

    box-shadow: none;
}

.mislens-header-search__input::placeholder {
    color: #999999;
}

.mislens-header-search__submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 40px;

    margin: 0;

    padding:
        0
        20px;

    border: 1px solid #222222;
    border-radius: 3px;

    background: #222222;

    color: #ffffff;

    font-family: inherit;
    font-size: 12px;
    line-height: 1;
    font-weight: 700;

    cursor: pointer;
}

.mislens-header-search__submit:hover,
.mislens-header-search__submit:focus-visible {
    background: #000000;

    border-color: #000000;

    color: #ffffff;
}

.mislens-header-search__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    width: 40px;
    height: 40px;

    min-width: 40px;

    margin: 0;
    padding: 0;

    border: 0;
    border-radius: 50%;

    background: transparent;

    color: #333333;

    font-family: inherit;
    font-size: 26px;
    line-height: 1;

    cursor: pointer;
}

.mislens-header-search__close:hover,
.mislens-header-search__close:focus-visible {
    border: 0;

    background: #f5f5f5;

    color: #111111;

    outline: none;
}


/* ==========================================================================
10. Mobile Menu Toggle
========================================================================== */

.mislens-mobile-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;

    width: 42px;
    height: 42px;

    min-width: 42px;
    min-height: 42px;

    margin: 0;
    padding: 0;

    border: 0;
    border-radius: 50%;

    background: transparent;

    color: #222222;

    cursor: pointer;

    appearance: none;
}

.mislens-mobile-menu-toggle:hover,
.mislens-mobile-menu-toggle:focus,
.mislens-mobile-menu-toggle:focus-visible {
    border: 0;

    background: #f5f5f5;

    color: #111111;

    outline: none;
}

.mislens-menu-icon {
    position: relative;

    display: block;

    width: 23px;
    height: 18px;
}

.mislens-menu-icon span {
    position: absolute;
    left: 0;

    display: block;

    width: 23px;
    height: 2px;

    border-radius: 2px;

    background: currentColor;

    transition:
        top var(--mislens-transition),
        transform var(--mislens-transition),
        opacity var(--mislens-transition);
}

.mislens-menu-icon span:nth-child(1) {
    top: 0;
}

.mislens-menu-icon span:nth-child(2) {
    top: 8px;
}

.mislens-menu-icon span:nth-child(3) {
    top: 16px;
}


/* ==========================================================================
11. Mobile Navigation
========================================================================== */

.mislens-mobile-navigation {
    display: none;

    border-top: 1px solid var(--mislens-border);

    background: #ffffff;
}

.mislens-mobile-navigation[hidden] {
    display: none;
}

.mislens-mobile-menu {
    margin: 0;

    padding:
        12px
        0
        4px;

    list-style: none;
}

.mislens-mobile-menu li {
    margin: 0;

    border-bottom:
        1px solid var(--mislens-border);
}

.mislens-mobile-menu li:last-child {
    border-bottom: 0;
}

.mislens-mobile-menu a {
    display: block;

    padding:
        14px
        0;

    color: var(--mislens-text);

    font-size: 16px;
    line-height: 1.4;
    font-weight: 600;

    text-decoration: none;
}

.mislens-mobile-menu .sub-menu {
    margin: 0;

    padding:
        0
        0
        8px
        18px;

    list-style: none;
}

.mislens-mobile-menu .sub-menu li {
    border-bottom: 0;
}

.mislens-mobile-menu .sub-menu a {
    padding:
        9px
        0;

    color: var(--mislens-muted);

    font-size: 14px;
    font-weight: 500;
}


/* ==========================================================================
12. Mobile Language
========================================================================== */

.mislens-mobile-language {
    padding:
        20px
        0
        24px;

    border-top:
        1px solid var(--mislens-border);
}

.mislens-mobile-language__label {
    margin-bottom: 11px;

    color: #888888;

    font-size: 10px;
    line-height: 1.3;
    font-weight: 700;

    letter-spacing: 0.08em;

    text-transform: uppercase;
}

.mislens-mobile-language__options {
    display: flex;
    flex-wrap: wrap;

    gap: 8px;
}

.mislens-mobile-language__option {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 36px;

    padding:
        0
        13px;

    border:
        1px solid var(--mislens-border);

    border-radius: 999px;

    background: #ffffff;

    color: #444444;

    font-size: 12px;
    line-height: 1;
    font-weight: 600;

    text-decoration: none;
}

.mislens-mobile-language__option.is-current {
    border-color: #222222;

    color: #111111;
}


/* ==========================================================================
13. Mobile Menu 打开状态
========================================================================== */

.mislens-site-header.is-menu-open
.mislens-menu-icon span:nth-child(1) {
    top: 8px;

    transform: rotate(45deg);
}

.mislens-site-header.is-menu-open
.mislens-menu-icon span:nth-child(2) {
    opacity: 0;
}

.mislens-site-header.is-menu-open
.mislens-menu-icon span:nth-child(3) {
    top: 8px;

    transform: rotate(-45deg);
}


/* ==========================================================================
14. Tablet
========================================================================== */

@media (max-width: 1100px) {

    .mislens-header-row {
        gap: 18px;
    }

    .mislens-primary-menu {
        gap: 22px;
    }

    .mislens-primary-menu a {
        font-size: 13px;
    }
}


/* ==========================================================================
15. Mobile
========================================================================== */

@media (max-width: 900px) {

    .mislens-header-row {
        min-height: 68px;

        gap: 10px;
    }

    .mislens-header-logo {
        max-width: 150px;
        height: 40px;
    }

    .mislens-primary-navigation {
        display: none;
    }


    /*
    * Mobile 顶部不展示文字 Language。
    * Language 放到菜单内。
    */

    .mislens-header-language {
        display: none;
    }

    .mislens-mobile-menu-toggle {
        display: inline-flex;
    }

    .mislens-mobile-navigation:not([hidden]) {
        display: block;
    }

    .mislens-header-actions {
        gap: 2px;
    }

    .mislens-header-tool,
    .mislens-mobile-menu-toggle {
        width: 40px;
        height: 40px;

        min-width: 40px;
        min-height: 40px;
    }


    /*
    * Mobile Search 变成更紧凑的顶部搜索栏。
    */

    .mislens-header-search__form {
        min-height: 66px;

        gap: 8px;
    }

    .mislens-header-search__input {
        height: 42px;

        font-size: 15px;
    }

    .mislens-header-search__submit {
        min-height: 38px;

        padding:
            0
            15px;
    }

    .mislens-header-search__close {
        width: 36px;
        height: 36px;

        min-width: 36px;
    }
}


/* ==========================================================================
16. Small Mobile
========================================================================== */

@media (max-width: 480px) {

    .mislens-header-row {
        min-height: 64px;
    }

    .mislens-header-logo {
        max-width: 124px;
        height: 36px;
    }

    .mislens-header-tool,
    .mislens-mobile-menu-toggle {
        width: 38px;
        height: 38px;

        min-width: 38px;
        min-height: 38px;
    }

    .mislens-header-search__submit {
        padding:
            0
            12px;

        font-size: 11px;
    }
}