/* ==========================================================================
   FiimeROM i18n — 语言选择器样式
   只使用 .fi-lang 前缀，避免影响主题既有样式；亮/暗主题跟随 html[data-theme]。
   ========================================================================== */

.fi-lang {
    --fi-lang-accent: #3b61dd;
    --fi-lang-bg: #f7f9fd;
    --fi-lang-bg-hover: #eef4ff;
    --fi-lang-border: #e5eaf4;
    --fi-lang-text: #3a3f52;
    --fi-lang-muted: #7b8397;
    --fi-lang-panel: #ffffff;
    --fi-lang-shadow: 0 18px 45px rgba(22, 34, 62, .18);
    position: relative;
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    margin-left: 8px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
        "Microsoft YaHei", "Noto Sans", Arial, sans-serif;
    font-size: 12px;
    line-height: 1;
    text-align: left;
    direction: ltr;
}

html[data-theme="dark"] .fi-lang {
    --fi-lang-accent: #f0c46a;
    --fi-lang-bg: #1b2333;
    --fi-lang-bg-hover: #243049;
    --fi-lang-border: #2b3a55;
    --fi-lang-text: #e7edf9;
    --fi-lang-muted: #93a0b8;
    --fi-lang-panel: #141b29;
    --fi-lang-shadow: 0 22px 50px rgba(0, 0, 0, .55);
}

/* 顶栏里的主题 / 语言容器：保证语言按钮可见 */
.fiime-prefs > .fi-lang { margin-left: 0; }
body:is(.fiime-home, .fiime-page) .fiime-prefs > .fi-lang { margin-right: 0; }

.fi-lang__toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 34px;
    padding: 0 9px;
    border: 1px solid var(--fi-lang-border);
    border-radius: 9px;
    background: var(--fi-lang-bg);
    color: var(--fi-lang-text);
    font: inherit;
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
    transition: background-color .18s ease, border-color .18s ease, color .18s ease;
    -webkit-tap-highlight-color: transparent;
}
.fi-lang__toggle:hover,
.fi-lang.is-open .fi-lang__toggle {
    border-color: var(--fi-lang-accent);
    background: var(--fi-lang-bg-hover);
}
.fi-lang__toggle:focus-visible {
    outline: 2px solid var(--fi-lang-accent);
    outline-offset: 2px;
}
.fi-lang__globe,
.fi-lang__chev {
    flex: 0 0 auto;
    width: 15px;
    height: 15px;
    display: block;
}
.fi-lang__chev {
    width: 12px;
    height: 12px;
    opacity: .65;
    transition: transform .18s ease;
}
.fi-lang.is-open .fi-lang__chev { transform: rotate(180deg); }
.fi-lang__label {
    display: block;
    max-width: 96px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 下拉面板 */
.fi-lang__panel {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 252px;
    max-width: calc(100vw - 24px);
    padding: 6px;
    border: 1px solid var(--fi-lang-border);
    border-radius: 13px;
    background: var(--fi-lang-panel);
    box-shadow: var(--fi-lang-shadow);
    color: var(--fi-lang-text);
    z-index: 2147482000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px) scale(.98);
    transform-origin: top right;
    transition: opacity .16s ease, transform .16s ease, visibility .16s ease;
}
.fi-lang.is-open .fi-lang__panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}
.fi-lang__head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px;
    padding: 7px 10px 8px;
    color: var(--fi-lang-muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .02em;
}
.fi-lang__head small {
    font-size: 10px;
    font-weight: 600;
    opacity: .7;
    text-transform: uppercase;
    letter-spacing: .08em;
}
.fi-lang__list {
    max-height: 430px;
    max-height: min(62vh, 430px);
    overflow: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: rgba(120, 135, 160, .35) transparent;
}
.fi-lang__list::-webkit-scrollbar { width: 6px; }
.fi-lang__list::-webkit-scrollbar-thumb {
    border-radius: 999px;
    background: rgba(120, 135, 160, .35);
}
.fi-lang__item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 20px;
    grid-template-areas: "native check" "en check";
    align-items: center;
    width: 100%;
    padding: 8px 10px;
    border: 0;
    border-radius: 9px;
    background: transparent;
    color: inherit;
    font: inherit;
    text-align: left;
    cursor: pointer;
    transition: background-color .14s ease, color .14s ease;
}
.fi-lang__item:hover,
.fi-lang__item:focus-visible {
    background: var(--fi-lang-bg-hover);
    outline: none;
}
.fi-lang__item.is-active {
    background: rgba(59, 97, 221, .12);
    background: color-mix(in srgb, var(--fi-lang-accent) 12%, transparent);
    color: var(--fi-lang-accent);
}
.fi-lang__native {
    grid-area: native;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.3;
}
.fi-lang__en {
    grid-area: en;
    margin-top: 2px;
    color: var(--fi-lang-muted);
    font-size: 10.5px;
    font-weight: 500;
    line-height: 1.25;
}
.fi-lang__check {
    grid-area: check;
    width: 15px;
    height: 15px;
    opacity: 0;
    transform: scale(.7);
    transition: opacity .14s ease, transform .14s ease;
}
.fi-lang__item.is-active .fi-lang__check {
    opacity: 1;
    transform: scale(1);
}

/* 没有顶栏的页面：右下角浮动入口 */
.fi-lang--float {
    position: fixed;
    top: 14px;
    right: 14px;
    margin: 0;
    z-index: 2147481900;
}
.fi-lang--float .fi-lang__toggle {
    height: 38px;
    padding: 0 12px;
    border-radius: 999px;
    background: var(--fi-lang-panel);
    box-shadow: 0 8px 24px rgba(22, 34, 62, .16);
}
html[data-theme="dark"] .fi-lang--float .fi-lang__toggle {
    box-shadow: 0 10px 26px rgba(0, 0, 0, .5);
}
.fi-lang--float .fi-lang__label { max-width: 120px; }

/* 移动端：顶栏空间紧张时只显示地球图标 */
@media (max-width: 992px) {
    .knsl-right-side > .fi-lang { margin-left: 6px; }
    .knsl-right-side > .fi-lang .fi-lang__label,
    .fiime-prefs > .fi-lang .fi-lang__label { display: none; }
    .knsl-right-side > .fi-lang .fi-lang__toggle,
    .fiime-prefs > .fi-lang .fi-lang__toggle {
        width: 34px;
        padding: 0;
        gap: 0;
    }
    .knsl-right-side > .fi-lang .fi-lang__chev,
    .fiime-prefs > .fi-lang .fi-lang__chev { display: none; }
}

@media (max-width: 640px) {
    .fi-lang__panel {
        position: fixed;
        top: 64px;
        left: 12px;
        right: 12px;
        width: auto;
        max-width: none;
        max-height: calc(100vh - 84px);
        max-height: calc(100dvh - 84px);
        transform-origin: top center;
    }
    .fi-lang__list {
        max-height: calc(100vh - 150px);
        max-height: calc(100dvh - 150px);
    }
    .fi-lang--float { top: 10px; right: 10px; }
    .fi-lang--float .fi-lang__label { display: none; }
    .fi-lang--float .fi-lang__toggle { width: 38px; padding: 0; }
    .fi-lang--float .fi-lang__chev { display: none; }
}

@media print {
    .fi-lang { display: none !important; }
}

/* 非中文界面：顶栏一级菜单的拉丁/西里尔文字更紧凑，避免溢出 */
html:not([data-lang="zh"]):not([data-lang="zh-TW"]) .knsl-top-bar .knsl-menu nav > ul > li > a {
    letter-spacing: 0;
}
@media (min-width: 993px) {
    html:not([data-lang="zh"]):not([data-lang="zh-TW"]) body:is(.fiime-home, .fiime-page) .knsl-menu nav > ul > li > a {
        font-size: 12.5px;
        padding: 0 6px !important;
    }
}
@media (min-width: 993px) and (max-width: 1199px) {
    html:not([data-lang="zh"]):not([data-lang="zh-TW"]) body:is(.fiime-home, .fiime-page) .knsl-menu nav > ul > li > a {
        font-size: 12px;
        padding: 0 3px !important;
    }
}