/* ==========================================================
 * 在在线玩 · 全站样式
 * 设计 token 复刻参考站（绿色主调、3px 圆角、heading-bar 竖条）
 * ========================================================== */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html {
    --ui-background:        #fff;
    --ui-surface:           #fff;
    --ui-surface-modal:     #fff;
    --ui-surface-popover:   #fff;
    --ui-surface-tooltip:   rgb(72, 72, 78);
    --ui-foreground:        rgb(51, 54, 57);
    --ui-foreground-strong: rgb(31, 34, 37);
    --ui-foreground-muted:  rgb(118, 124, 130);
    --ui-foreground-disabled: rgba(0, 0, 0, .24);
    --ui-placeholder:        rgba(0, 0, 0, .24);
    --ui-border:            rgb(224, 224, 230);
    --ui-divider:           rgb(239, 239, 245);
    --ui-hover:             rgb(243, 243, 245);
    --ui-pressed:           rgb(237, 237, 239);
    --ui-scrollbar-thumb:   rgba(0, 0, 0, .25);
    --ui-scrollbar-thumb-hover: rgba(0, 0, 0, .4);
    --ui-primary:           #18a058;
    --ui-primary-hover:     #36ad6a;
    --ui-primary-pressed:   #0c7a43;
    --ui-primary-secondary: rgba(24, 160, 88, .12);
    --ui-info:              #2080f0;
    --ui-success:           #18a058;
    --ui-warning:           #f0a020;
    --ui-error:             #d03050;
    --ui-radius:            3px;
    --ui-radius-small:      2px;
    --ui-font-sans: v-sans, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif,
        "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", "Apple Color Emoji", "Segoe UI Emoji";
    --ui-font-mono: v-mono, SFMono-Regular, Menlo, Consolas, Courier, monospace;
    --ui-font-size:       14px;
    --ui-font-size-tiny:  12px;
    --ui-font-size-large: 16px;
    --ui-font-weight:       400;
    --ui-font-weight-strong: 500;
    --ui-line-height:       1.6;
    --ui-shadow-floating:   0 3px 6px -4px rgba(0, 0, 0, .12), 0 6px 16px rgba(0, 0, 0, .08), 0 9px 28px 8px rgba(0, 0, 0, .05);
    color-scheme: light;
}

@media (prefers-color-scheme: dark) {
    html:not(.light) {
        --ui-background:        rgb(16, 16, 20);
        --ui-tag-background:    rgb(51, 51, 51);
        --ui-surface:           rgb(24, 24, 28);
        --ui-surface-modal:     rgb(44, 44, 50);
        --ui-surface-popover:   rgb(72, 72, 78);
        --ui-surface-tooltip:   rgb(72, 72, 78);
        --ui-foreground:        rgba(255, 255, 255, .82);
        --ui-foreground-strong: rgba(255, 255, 255, .9);
        --ui-foreground-muted:  rgba(255, 255, 255, .52);
        --ui-foreground-disabled: rgba(255, 255, 255, .38);
        --ui-placeholder:        rgba(255, 255, 255, .38);
        --ui-border:            rgba(255, 255, 255, .24);
        --ui-divider:           rgba(255, 255, 255, .09);
        --ui-hover:             rgba(255, 255, 255, .09);
        --ui-pressed:           rgba(255, 255, 255, .05);
        --ui-scrollbar-thumb:   rgba(255, 255, 255, .2);
        --ui-scrollbar-thumb-hover: rgba(255, 255, 255, .35);
        --ui-primary:           #63e2b7;
        --ui-primary-hover:     #7fe7c4;
        --ui-primary-pressed:   #5acea7;
        --ui-primary-secondary: rgba(99, 226, 183, .16);
        --ui-info:              #70c0e8;
        --ui-success:           #63e2b7;
        --ui-warning:           #f2c97d;
        --ui-error:             #e88080;
        color-scheme: dark;
    }
}

body {
    font-family: var(--ui-font-sans);
    color: var(--ui-foreground);
    background-color: var(--ui-background);
    font-size: var(--ui-font-size);
    line-height: var(--ui-line-height);
    transition: color .3s cubic-bezier(.4,0,.2,1), background-color .3s cubic-bezier(.4,0,.2,1);
    -webkit-tap-highlight-color: transparent;
    -webkit-text-size-adjust: 100%;
}
a { color: inherit; text-decoration: none; }
a:hover { color: var(--ui-primary); text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; }
input, textarea { font: inherit; color: inherit; }

/* ==========================================================
 * 容器
 * ========================================================== */
.container { width: calc(100% - 30px); max-width: 1220px; margin: 0 auto; padding: 0 15px; }
@media (min-width: 576px)  { .container { max-width: 540px; } }
@media (min-width: 768px)  { .container { max-width: 720px; } }
@media (min-width: 992px)  { .container { max-width: 960px; } }
@media (min-width: 1280px) { .container { max-width: 1220px; } }

/* ==========================================================
 * 顶部条（保留现有架构；样式与参考站更接近）
 * ========================================================== */
.topbar {
    background: var(--ui-surface);
    color: var(--ui-foreground-muted);
    border-bottom: 1px solid var(--ui-divider);
    font-size: var(--ui-font-size-tiny);
}
.topbar .container {
    display: flex; justify-content: space-between; align-items: center;
    height: 32px;
    gap: 8px;
    min-width: 0;
}
.topbar__left {
    min-width: 0;
    flex: 0 1 auto;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.topbar__right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    min-width: 0;
    flex: 1 1 auto;
}
.topbar a { color: var(--ui-foreground-muted); }
.topbar a:hover { color: var(--ui-primary); }

/* 窄屏：语言切换已移到导航/移动端菜单，顶栏保留站点文案并单行省略 */
@media (max-width: 767px) {
    .topbar__left { flex: 1 1 auto; }
}

/* ==========================================================
 * 头部 / Navbar
 * ========================================================== */
:root { --header-height: 64px; }
.navbar {
    position: fixed;
    top: 0; right: 0; left: 0;
    z-index: 100;
    height: var(--header-height);
    background: var(--ui-surface);
    border-bottom: 1px solid var(--ui-divider);
    color: var(--ui-foreground);
    transition: background-color .3s cubic-bezier(.4,0,.2,1), color .3s cubic-bezier(.4,0,.2,1);
}
.nav {
    --side-padding: 32px;
    display: grid;
    grid-template-rows: calc(var(--header-height) - 1px);
    align-items: center;
    padding: 0 var(--side-padding);
    grid-template-columns: calc(225px - var(--side-padding)) 1fr auto;
    column-gap: 0;
}
.nav-menu  { height: var(--header-height); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-search  { width: 240px; min-width: 0; flex: 0 1 240px; }
@media (max-width: 1100px) {
    .nav { --side-padding: 16px; grid-template-columns: auto 1fr auto; }
    .nav-search { display: none; }
}

/* Logo（参考站类名 ui-logo / ui-logo-img；保留 .logo 别名兼容旧用法） */
.ui-logo,
.logo {
    cursor: pointer;
    display: flex; align-items: center;
    color: inherit;
    font-size: 18px;
    text-decoration: none;
    transition: color .15s;
}
.ui-logo:hover,
.logo:hover { color: var(--ui-primary); }
.ui-logo svg, .ui-logo .ui-logo-img,
.logo svg, .logo .logo-img {
    margin-right: 12px;
    width: 32px; height: 32px;
    display: block;
}
.ui-logo .logo-text,
.logo .logo-text { color: inherit; font-weight: var(--ui-font-weight-strong); }

/* ==========================================================
 * 主导航（参考站风格：hover 变主色）
 * ========================================================== */
.ui-navigation-menu {
    height: 100%;
    color: var(--ui-foreground);
    font-family: var(--ui-font-sans);
    font-size: var(--ui-font-size);
    line-height: var(--ui-line-height);
}
.ui-navigation-menu > div,
.ui-navigation-menu__list { height: 100%; }
.ui-navigation-menu__list {
    display: flex; align-items: stretch;
    height: 100%;
    margin: 0; padding: 0; list-style: none;
}
.ui-navigation-menu__item {
    position: relative; display: flex; align-items: stretch;
}
.ui-navigation-menu__link,
.ui-navigation-menu__trigger {
    display: flex; align-items: center;
    height: 100%;
    padding: 0 18px;
    background: transparent; border: 0; outline: none;
    color: var(--ui-foreground);
    font: inherit;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: color .15s;
}
.ui-navigation-menu__link:hover,
.ui-navigation-menu__trigger:hover,
.ui-navigation-menu__trigger[data-state="open"],
.ui-navigation-menu__link.is-active {
    color: var(--ui-primary);
}
.ui-navigation-menu__link:focus-visible,
.ui-navigation-menu__trigger:focus-visible {
    border-radius: var(--ui-radius);
    outline: 2px solid var(--ui-primary);
    outline-offset: -4px;
}
.ui-navigation-menu__chevron {
    margin-left: 4px;
    transition: transform .15s;
}
.ui-navigation-menu__trigger[data-state="open"] .ui-navigation-menu__chevron {
    transform: rotate(180deg);
}
.ui-navigation-menu__content {
    position: absolute; z-index: 3000;
    top: calc(100% - 5px); left: 0;
    min-width: 160px;
    padding: 4px;
    border-radius: var(--ui-radius);
    background: var(--ui-surface-popover);
    box-shadow: var(--ui-shadow-floating);
    color: var(--ui-foreground);
    transform-origin: top left;
    animation: ui-nav-pop .15s ease-out;
}
.ui-navigation-menu__content-link,
.ui-navigation-menu__group-label {
    display: flex; align-items: center;
    min-height: 34px;
    padding: 6px 12px;
    border-radius: var(--ui-radius-small);
    color: var(--ui-foreground);
    text-decoration: none;
    white-space: nowrap;
    transition: background .15s, color .15s;
}
.ui-navigation-menu__content-link:hover {
    background: var(--ui-hover);
    color: var(--ui-foreground-strong);
}
.ui-navigation-menu__group-label {
    color: var(--ui-foreground-muted);
    font-size: var(--ui-font-size-tiny);
    cursor: default;
}
.ui-navigation-menu__content-list { list-style: none; margin: 0; padding: 0; }
@keyframes ui-nav-pop {
    from { opacity: 0; transform: translateY(-3px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ==========================================================
 * 语言选择器（导航栏下拉）
 * ========================================================== */
.nav-lang { display: flex; align-items: center; }
.nav-lang__trigger {
    display: inline-flex; align-items: center; gap: 6px;
    height: 34px;
    padding: 0 12px;
    border: 1px solid var(--ui-border);
    border-radius: 999px;
    background: transparent;
    color: var(--ui-foreground);
    font: inherit;
    font-size: var(--ui-font-size);
    line-height: 1;
    cursor: pointer;
    white-space: nowrap;
    transition: color .15s, border-color .15s, background .15s;
}
.nav-lang__trigger:hover,
.nav-lang__trigger[data-state="open"] {
    color: var(--ui-primary);
    border-color: var(--ui-primary);
    background: var(--ui-primary-secondary);
}
.nav-lang__trigger:focus-visible {
    outline: 2px solid var(--ui-primary);
    outline-offset: 2px;
}
.nav-lang__globe { flex: none; opacity: .9; }
.nav-lang__label { max-width: 96px; overflow: hidden; text-overflow: ellipsis; }
.nav-lang__chevron { flex: none; opacity: .7; transition: transform .15s; }
.nav-lang__trigger[data-state="open"] .nav-lang__chevron { transform: rotate(180deg); }

.nav-lang__menu {
    position: absolute; z-index: 3000;
    top: calc(100% - 8px); left: 0;
    min-width: 168px;
    max-height: min(70vh, 420px);
    overflow: auto;
    padding: 4px;
    border-radius: var(--ui-radius);
    background: var(--ui-surface-popover);
    box-shadow: var(--ui-shadow-floating);
    color: var(--ui-foreground);
    transform-origin: top left;
    animation: ui-nav-pop .15s ease-out;
}
.nav-lang__list { list-style: none; margin: 0; padding: 0; }
.nav-lang__item {
    display: flex; align-items: center; gap: 8px;
    min-height: 36px;
    padding: 6px 10px;
    border-radius: var(--ui-radius-small);
    color: var(--ui-foreground);
    text-decoration: none;
    white-space: nowrap;
    transition: background .15s, color .15s;
}
.nav-lang__item:hover { background: var(--ui-hover); color: var(--ui-foreground-strong); }
.nav-lang__item.is-active {
    color: var(--ui-primary);
    font-weight: var(--ui-font-weight-strong);
    background: var(--ui-primary-secondary);
}
.nav-lang__check {
    flex: none;
    display: inline-flex; align-items: center; justify-content: center;
    width: 16px; height: 16px;
}
.nav-lang__name { flex: 1; min-width: 0; }

/* 移动端弹层内的语言列表 */
.mobile-lang__item { gap: 6px; }
.mobile-lang__check {
    display: inline-block;
    width: 14px;
    color: var(--ui-primary);
    font-size: 12px;
}

/* ==========================================================
 * 搜索框（参考站 .search-combobox + .search-combobox__anchor 双层结构）
 * ========================================================== */
.search-combobox {
    display: inline-flex;
    width: 100%;
    min-width: 0;
    color: var(--ui-foreground);
    font-family: var(--ui-font-sans);
    font-size: var(--ui-font-size);
}
.search-combobox,
.search-combobox__anchor {
    display: flex; align-items: center;
    width: 100%; height: 34px;
    padding: 0 12px;
    border: 1px solid var(--ui-border);
    border-radius: var(--ui-radius);
    background: transparent;
    transition: border-color .15s, box-shadow .15s;
}
.search-combobox:focus-within,
.search-combobox__anchor:focus-within {
    border-color: var(--ui-primary);
    box-shadow: 0 0 0 2px var(--ui-primary-secondary);
}
.search-combobox__input {
    flex: 1; min-width: 0;
    height: 100%;
    padding: 0;
    border: 0; outline: 0; background: transparent;
    color: inherit; font: inherit;
    line-height: 32px;
}
.search-combobox__input::placeholder { color: var(--ui-placeholder); opacity: 1; }
.search-combobox__icon {
    width: 1em; height: 1em;
    margin-right: 8px;
    color: var(--ui-foreground-muted);
    flex: none;
}

/* ==========================================================
 * 用户管理按钮（参考站 UiButton circle variant=quaternary）
 * ========================================================== */
.ui-button--account {
    width: 34px; height: 34px;
    border-radius: 50%;
    border: 1px solid var(--ui-border);
    background: transparent;
    color: var(--ui-foreground);
    display: inline-flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: color .15s, border-color .15s, background .15s;
}
.ui-button--account:hover {
    color: var(--ui-primary);
    border-color: var(--ui-primary);
}
.ui-button--account:focus-visible {
    outline: 2px solid var(--ui-primary);
    outline-offset: 2px;
}

/* ==========================================================
 * 用户中心下拉菜单（头像按钮弹出层）
 * ========================================================== */
.account-menu { position: relative; display: inline-flex; }
.account-menu__panel {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    z-index: 1000;
    width: 272px;
    padding: 8px;
    border: 1px solid var(--ui-border);
    border-radius: var(--ui-radius);
    background: var(--ui-surface-popover);
    color: var(--ui-foreground);
    box-shadow: var(--ui-shadow-floating);
    animation: ui-popover-in .15s ease-out;
    transform-origin: top right;
}
.account-menu__stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
    padding: 4px;
    margin-bottom: 6px;
    border-bottom: 1px solid var(--ui-divider);
}
.account-menu__stat {
    display: flex; flex-direction: column; align-items: center; gap: 2px;
    padding: 8px 4px;
    border-radius: var(--ui-radius-small);
    text-decoration: none;
    transition: background .15s;
}
.account-menu__stat:hover { background: var(--ui-hover); }
.account-menu__stat b {
    font-size: 17px; font-weight: 600;
    color: var(--ui-primary);
    line-height: 1.1;
}
.account-menu__stat span {
    font-size: 11px;
    color: var(--ui-foreground-muted);
}
.account-menu__list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.account-menu__foot {
    margin-top: 4px;
    padding-top: 4px;
    border-top: 1px solid var(--ui-divider);
}
.account-menu__notice {
    margin: 6px 4px 2px;
    padding: 6px 8px;
    border-radius: var(--ui-radius-small);
    background: var(--ui-warning-soft, rgba(245, 158, 11, 0.1));
    color: var(--ui-foreground-muted);
    font-size: var(--ui-font-size-tiny);
    line-height: 1.4;
    text-align: center;
}
.account-menu__link {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 10px;
    border-radius: var(--ui-radius-small);
    color: var(--ui-foreground);
    font-size: var(--ui-font-size);
    text-decoration: none;
    transition: background .15s, color .15s;
}
.account-menu__link:hover { background: var(--ui-hover); color: var(--ui-primary); }
.account-menu__ico {
    display: inline-flex; align-items: center; justify-content: center;
    width: 18px; flex: none;
    font-size: 14px;
    opacity: .85;
}

/* 问题反馈（邮箱地址由后台「系统配置 → feedback_email」配置） */
.account-menu__link--btn {
    width: 100%;
    border: 0;
    background: none;
    font: inherit;
    text-align: left;
    cursor: pointer;
}
.account-menu__caret {
    margin-left: auto;
    font-size: 10px;
    line-height: 1;
    opacity: .55;
    transition: transform .15s;
}
.account-menu__link--btn[aria-expanded="true"] .account-menu__caret { transform: rotate(90deg); }
.account-menu__feedback {
    margin: 4px 4px 8px;
    padding: 10px;
    border: 1px solid var(--ui-divider);
    border-radius: var(--ui-radius-small);
    background: var(--ui-hover);
}
.account-menu__feedback-desc {
    margin: 0 0 8px;
    color: var(--ui-foreground-muted);
    font-size: var(--ui-font-size-tiny);
    line-height: 1.5;
}
.account-menu__feedback-row {
    display: flex;
    align-items: center;
    gap: 8px;
}
.account-menu__feedback-mail {
    flex: 1 1 auto;
    min-width: 0;
    color: var(--ui-primary);
    font-size: var(--ui-font-size-tiny);
    word-break: break-all;
    text-decoration: none;
}
.account-menu__feedback-mail:hover { text-decoration: underline; }
.account-menu__feedback-copy {
    flex: none;
    padding: 4px 8px;
    border: 1px solid var(--ui-border);
    border-radius: var(--ui-radius-small);
    background: var(--ui-surface);
    color: var(--ui-foreground);
    font-size: var(--ui-font-size-tiny);
    line-height: 1.2;
    cursor: pointer;
    transition: background .15s, color .15s, border-color .15s;
}
.account-menu__feedback-copy:hover { background: var(--ui-hover); color: var(--ui-primary); }
.account-menu__feedback-copy.is-copied {
    color: var(--ui-success);
    border-color: var(--ui-success);
}

@media (max-width: 640px) {
    .account-menu__panel {
        position: fixed;
        top: var(--header-height, 56px);
        right: 8px;
        left: 8px;
        width: auto;
    }
}

/* ==========================================================
 * 移动端菜单触发器（参考站 UiPopover trigger / menu-icon）
 * 仅在 ≤1100px 显示；桌面端隐藏
 * ========================================================== */
.menu-trigger {
    display: none;
    align-items: center; justify-content: center;
    padding: 0;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    cursor: pointer;
}
.menu-trigger:focus-visible {
    border-radius: var(--ui-radius);
    outline: 2px solid var(--ui-primary);
    outline-offset: 3px;
}
.menu-icon { display: flex; align-items: center; cursor: pointer; }
@media (max-width: 1100px) {
    .menu-trigger { display: inline-flex; }
    .ui-navigation-menu { display: none; }
}

/* ==========================================================
 * 移动端弹层菜单（参考站 UiPopover + UiCollapsibleMenu）
 * ========================================================== */
.mobile-menu-popover {
    position: fixed;
    z-index: 1000;
    top: var(--header-height);
    right: 0;
    display: none;
    border-bottom-left-radius: var(--ui-radius);
    border-bottom-right-radius: var(--ui-radius);
    background: var(--ui-surface-popover);
    color: var(--ui-foreground);
    box-shadow: var(--ui-shadow-floating);
    animation: ui-popover-in .15s ease-out;
    transform-origin: top right;
}
.mobile-menu-popover[data-state="open"] { display: block; }
@keyframes ui-popover-in {
    0% { opacity: 0; transform: translateY(-3px); }
    to { opacity: 1; transform: translateY(0); }
}
.mobile-menu-panel {
    width: 288px;
    max-height: 79vh;
    overflow: auto;
}
.mobile-menu-search {
    padding: 0 18px 10px;
}

/* ==========================================================
 * ui-collapsible-menu（参考站 UiCollapsibleMenu / UiCollapsibleMenuItems）
 * ========================================================== */
.ui-collapsible-menu {
    color: var(--ui-foreground);
    font-family: var(--ui-font-sans);
    font-size: var(--ui-font-size);
    line-height: var(--ui-line-height);
}
.ui-collapsible-menu__list {
    padding: 4px 8px;
    margin: 0;
    list-style: none;
}
.ui-collapsible-menu__list--nested {
    padding: 0 0 4px 18px;
}
.ui-collapsible-menu__trigger,
.ui-collapsible-menu__link > a,
.ui-collapsible-menu__link > span {
    display: flex;
    width: 100%;
    min-height: 42px;
    box-sizing: border-box;
    align-items: center;
    border-radius: var(--ui-radius);
    color: var(--ui-foreground);
    text-decoration: none;
}
.ui-collapsible-menu__trigger {
    justify-content: space-between;
    padding: 8px 10px;
    border: 0;
    outline: none;
    background: transparent;
    cursor: pointer;
    text-align: left;
    font: inherit;
}
.ui-collapsible-menu__label { min-width: 0; }
.ui-collapsible-menu__link > a,
.ui-collapsible-menu__link > span {
    padding: 8px 10px;
}
.ui-collapsible-menu__trigger:hover,
.ui-collapsible-menu__trigger[data-state="open"],
.ui-collapsible-menu__link > a:hover,
.ui-collapsible-menu__link > a.is-active {
    background: var(--ui-hover);
    color: var(--ui-foreground-strong);
}
.ui-collapsible-menu__trigger:focus-visible,
.ui-collapsible-menu__link > a:focus-visible {
    outline: 2px solid var(--ui-primary);
    outline-offset: -2px;
}
.ui-collapsible-menu__chevron {
    flex: none;
    transition: transform .15s ease;
}
.ui-collapsible-menu__chevron--open { transform: rotate(180deg); }
.ui-collapsible-menu__content { overflow: hidden; }
.ui-collapsible-menu__content[data-state="open"] {
    animation: ui-collapsible-menu-down .15s ease-out;
}
@keyframes ui-collapsible-menu-down {
    0% { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
    .ui-collapsible-menu__chevron { transition: none; }
    .ui-collapsible-menu__content[data-state="open"] { animation: none; }
}

/* ==========================================================
 * 主体
 * ========================================================== */
.main {   min-height: 60vh; }
.main-container {
    width: calc(100% - 30px);
    padding: 0 15px;
    margin: 20px auto 40px;
}
@media (max-width: 992px) {
    .main-container {
        width: 100%;
        padding: 0;
    }
}

/* ==========================================================
 * 区块标题（左侧 4px 主色竖条）
 * ========================================================== */
.ui-heading {
    margin: 28px 0 20px;
    color: var(--ui-foreground-strong);
    font-weight: var(--ui-font-weight-strong);
    line-height: var(--ui-line-height);
}
.ui-heading:first-child { margin-top: 0; }
.ui-heading-1 { font-size: 30px; }
.ui-heading-2 { font-size: 22px; }
.ui-heading-3 { font-size: 18px; }
.ui-heading-4 { margin-bottom: 18px; font-size: 16px; }

.ui-heading-bar {
    position: relative;
    padding-left: 16px;
}
.ui-heading-3.ui-heading-bar,
.ui-heading-4.ui-heading-bar { padding-left: 12px; }
.ui-heading-bar::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    border-radius: 2px;
    background: var(--ui-primary);
}
.ui-heading-3.ui-heading-bar::before,
.ui-heading-4.ui-heading-bar::before { width: 3px; }

.heading-link {
    color: inherit;
    text-decoration: none;
    cursor: pointer;
    transition: color .15s;
}
.heading-link:hover { color: var(--ui-primary); }
.heading-row {
    display: flex; align-items: baseline;
    justify-content: space-between;
    gap: 12px;
}
.heading-row .more {
    font-size: var(--ui-font-size-tiny);
    color: var(--ui-foreground-muted);
    text-decoration: none;
    flex: none;
    transition: color .15s;
}
.heading-row .more:hover { color: var(--ui-primary); }

/* ==========================================================
 * 段落
 * ========================================================== */
.ui-paragraph { margin: 16px 0; color: var(--ui-foreground); }
.ui-paragraph:first-child { margin-top: 0; }
.ui-paragraph:last-child { margin-bottom: 0; }
.ui-link {
    color: var(--ui-primary);
    text-decoration: none;
    transition: color .15s;
}
.ui-link:hover { color: var(--ui-primary-hover); text-decoration: underline; }
.ui-text-depth-3 { color: var(--ui-foreground-muted); }

/* 面包屑（参考站 Home › 游戏类型 › {平台名}） */
.ui-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    font-size: var(--ui-font-size-tiny);
    color: var(--ui-foreground-muted);
    margin-bottom: 12px;
}
.ui-breadcrumb a {
    color: var(--ui-foreground-muted);
    text-decoration: none;
    transition: color .15s;
}
.ui-breadcrumb a:hover { color: var(--ui-primary); text-decoration: underline; }
.ui-breadcrumb .ui-breadcrumb__sep { color: var(--ui-foreground-disabled); }
.ui-breadcrumb .ui-breadcrumb__current { color: var(--ui-foreground); }

/* ==========================================================
 * 区块 / 卡片容器
 * ========================================================== */
.section {
    background: var(--ui-surface);
    border-radius: var(--ui-radius);
    padding: 18px 20px;
    margin-bottom: 16px;
    border: 1px solid transparent;
}

/* ==========================================================
 * 平台网格（参考站 grid-container：8/6/4 列 + gap 12px）
 * 1:1 复刻：max-width 断点（参考站是 max-width 风格）
 * ========================================================== */
/* 列使用 minmax(0, 1fr)：避免列被卡片内容的最小尺寸撑破容器（窄屏横向溢出） */
.console-grid,
.grid-container {
    display: grid;
    grid-template-columns: repeat(8, minmax(0, 1fr));
    gap: 12px;
}
@media (max-width: 1280px) {
    .console-grid,
    .grid-container { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
    .console-grid,
    .grid-container { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* 单个平台卡（参考站 .slide-item-link） */
.slide-item-link {
    display: block;
    text-decoration: none;
    color: inherit;
}
.slide-item-link:hover .slide-item {
    background-color: var(--ui-pressed);
    border-radius: 5px;
}
.slide-item {
    --padding: 10px;
    width: calc(100% - var(--padding) * 2);
    aspect-ratio: 1 / 2;
    padding: var(--padding);
    transition: background-color .2s cubic-bezier(.4,0,0,.2,1);
}
.img-holder {
    width: 100%;
    height: 80%;
    display: flex;
    justify-content: center;
    align-items: center;
}
.console-img {
    max-width: 100%;
    max-height: 75%;
    object-fit: contain;
}
.type-label {
    display: block;
    text-align: center;
    margin-top: 8px;
    font-size: var(--ui-font-size);
    color: var(--ui-foreground);
    /* 窄屏列宽很窄时，避免「任天堂SFC」这类中英混排串撑破网格 */
    overflow-wrap: anywhere;
    word-break: break-word;
}

/* 平台列表（窄屏，width<=500 时由 setup 切换为 .ui-list.list-container） */
.console-list,
.ui-list.list-container {
    display: none;
    margin: 0; padding: 0; list-style: none;
}
.console-list .console-list__link,
.ui-list.list-container .link {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid var(--ui-divider);
    color: var(--ui-foreground);
    text-decoration: none;
}
.console-list .console-list__link:last-child,
.ui-list.list-container .link:last-child { border-bottom: 0; }
.console-list .console-list__link:hover,
.ui-list.list-container .link:hover { color: var(--ui-primary); text-decoration: underline; }

/* ==========================================================
 * 系列网格（参考站 2/3/4/5/6/7 列 + gap 12px）
 * 1:1 复刻：sm/lg/xl/2xl/1920px 断点
 * ========================================================== */
.series-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 12px;
    row-gap: 12px;
}
@media (min-width: 640px)  { .series-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .series-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (min-width: 1280px) { .series-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); } }
@media (min-width: 1536px) { .series-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
@media (min-width: 1920px) { .series-grid { grid-template-columns: repeat(7, minmax(0, 1fr)); } }

/* 系列项（参考站 .series-item + .image-container + .series-text + .series-icon） */
.series-item {
    display: flex;
    align-items: center;
    height: 3em;
    text-decoration: none;
    color: inherit;
    transition: background-color .15s;
    border-radius: var(--ui-radius);
    padding: 0 4px;
}
.series-item:hover {
    background-color: var(--ui-hover);
    color: var(--ui-foreground-strong);
}
.image-container {
    width: 2em;
    height: 2em;
    display: flex;
    justify-content: center;
    align-items: center;
    flex: none;
}
.series-icon {
    max-width: 100%;
    max-height: 100%;
    height: 100%;
    width: auto;
    object-fit: contain;
    image-rendering: pixelated;
}
.series-text {
    color: inherit;
    font-size: var(--ui-font-size);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ==========================================================
 * 继续 (Continue / Recent plays) 横滚
 * 参考站 .recent-plays-container：auto-fill grid + grid-auto-flow:column
 * ========================================================== */
.recent-plays-container {
    display: grid;
    grid-gap: 8px;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    grid-auto-flow: column;
    grid-auto-columns: minmax(160px, 1fr);
    padding-bottom: 16px;
    overflow-x: auto;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
}
.recent-plays-container::-webkit-scrollbar { height: 8px; }
.recent-plays-container::-webkit-scrollbar-thumb { background: var(--ui-scrollbar-thumb); border-radius: 4px; }
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ==========================================================
 * 游戏卡（参考站 GameResultCard：4:3 cover + 2 行标题 + meta）
 * 用于「继续」板块横滚卡片
 * ========================================================== */
.game-result {
    display: block;
    color: inherit;
    text-decoration: none;
    transition: transform .15s;
}
.game-result:hover { transform: translateY(-2px); }

.game-result__cover {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: var(--ui-radius);
    background: var(--ui-hover);
}
.game-result__cover .background-image,
.game-result__cover .foreground-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.game-result__cover .background-image {
    filter: blur(10px) brightness(.7);
    transform: scale(1.05);
}
.game-result__cover .foreground-image {
    object-fit: contain;
}
.game-result__cover .no-image-placeholder {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    background: #eee;
    color: #888;
    font-weight: 700;
}
.game-result__cover .no-image-placeholder svg { display: block; opacity: .55; }
@media (prefers-color-scheme: dark) {
    html:not(.light) .game-result__cover .no-image-placeholder { background: #333; }
}

.game-result__title {
    margin-top: 12px;
    height: 50px;
    line-height: 1.4;
    font-weight: 500;
    color: var(--ui-foreground-strong);
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.game-result__title-text { display: inline-block; vertical-align: middle; }
.game-result__meta {
    margin-top: 0.1em;
    height: 25px;
    display: flex; align-items: center; gap: 0.5em;
    color: var(--ui-foreground-muted);
    font-size: var(--ui-font-size-tiny);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.game-result__platform-tag {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 0 6px;
    border: 1px solid var(--ui-border);
    border-radius: var(--ui-radius);
    color: var(--ui-foreground);
}
.game-result__platform-tag img {
    width: 1em; height: 1em; object-fit: contain;
}

/* ==========================================================
 * 通用游戏网格（保留以兼容其他页面，比如 /games 列表）
 * ========================================================== */
.game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
}
@media (min-width: 1280px) {
    .game-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
}

/* ==========================================================
 * 列表行（紧凑，新 / 热门）— 保留供详情页 /games 使用
 * ========================================================== */
.game-row {
    display: grid;
    grid-template-columns: 80px 1fr auto;
    gap: 12px; padding: 10px 0;
    border-bottom: 1px solid var(--ui-divider);
    align-items: center;
}
.game-row:last-child { border-bottom: 0; }
.game-row .thumb {
    width: 80px; height: 60px;
    border-radius: var(--ui-radius);
    overflow: hidden;
    background: var(--ui-hover);
}
.game-row .thumb img { width: 100%; height: 100%; object-fit: cover; }
.game-row .info h4 { margin: 0 0 4px; font-size: 14px; }
.game-row .info p  { margin: 0; font-size: var(--ui-font-size-tiny); color: var(--ui-foreground-muted); }
.game-row .play {
    background: var(--ui-primary);
    color: #fff;
    padding: 6px 14px;
    border-radius: var(--ui-radius);
    font-size: var(--ui-font-size-tiny);
    text-decoration: none;
}
.game-row .play:hover { background: var(--ui-primary-hover); color: #fff; }

/* ==========================================================
 * 两列布局
 * ========================================================== */
.row-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
@media (max-width: 800px) { .row-2col { grid-template-columns: 1fr; } }
.row-2col .section { margin-bottom: 0; }

/* ==========================================================
 * 空状态 / 提示
 * ========================================================== */
.empty {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 48px 16px;
    color: var(--ui-foreground-muted);
    text-align: center;
}
.empty h3 { color: var(--ui-foreground); margin: 0 0 8px; font-size: 18px; }
.empty p  { margin: 0; color: var(--ui-foreground-muted); }

/* ==========================================================
 * 迁移提示条（参考站首页用，可选启用）
 * ========================================================== */
.migration-notice {
    margin-bottom: 24px;
}
.migration-notice__inner {
    display: flex; align-items: flex-start; justify-content: space-between; gap: 12px;
    padding: 12px;
    border: 1px solid var(--ui-border);
    border-radius: var(--ui-radius);
    background: var(--ui-surface);
    color: var(--ui-foreground);
}
.migration-notice__body { flex: 1; min-width: 0; }
.migration-notice__title { font-weight: var(--ui-font-weight-strong); color: var(--ui-foreground-strong); }
.migration-notice__desc { margin-top: 4px; color: var(--ui-foreground-muted); font-size: var(--ui-font-size-tiny); }
.migration-notice__actions {
    display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px;
}

/* ==========================================================
 * 按钮（参考站 ui-button）
 * ========================================================== */
.ui-btn {
    display: inline-flex; align-items: center; justify-content: center;
    height: 34px; padding: 0 14px;
    border: 1px solid var(--ui-border);
    border-radius: var(--ui-radius);
    background: transparent;
    color: var(--ui-foreground);
    font: inherit;
    cursor: pointer;
    transition: color .15s, background .15s, border-color .15s;
}
.ui-btn:hover { color: var(--ui-primary); border-color: var(--ui-primary); }
.ui-btn:focus-visible {
    outline: 2px solid var(--ui-primary);
    outline-offset: 2px;
}
.ui-btn--primary {
    background: var(--ui-primary);
    border-color: var(--ui-primary);
    color: #fff;
}
.ui-btn--primary:hover {
    background: var(--ui-primary-hover);
    border-color: var(--ui-primary-hover);
    color: #fff;
}
.ui-btn--small { height: 28px; padding: 0 10px; font-size: var(--ui-font-size-tiny); }
.ui-btn--text {
    background: transparent;
    border: 0;
    height: auto; padding: 0;
    color: var(--ui-primary);
}
.ui-btn--text:hover { color: var(--ui-primary-hover); background: transparent; }

/* ==========================================================
 * 分页 / 排序 / 标签
 * ========================================================== */
.toolbar {
    display: flex; gap: 8px; flex-wrap: wrap; align-items: center;
    margin-bottom: 12px;
}
.toolbar .sort a {
    padding: 4px 12px;
    border-radius: var(--ui-radius);
    background: var(--ui-hover);
    color: var(--ui-foreground);
    font-size: var(--ui-font-size-tiny);
    text-decoration: none;
}
.toolbar .sort a.active {
    background: var(--ui-primary);
    color: #fff;
}

.pagination { display: flex; justify-content: center; gap: 4px; padding: 20px 0; }
.pagination a, .pagination span {
    padding: 6px 12px;
    border: 1px solid var(--ui-border);
    border-radius: var(--ui-radius);
    background: var(--ui-surface);
    color: var(--ui-foreground);
    font-size: var(--ui-font-size-tiny);
    text-decoration: none;
}
.pagination a:hover { border-color: var(--ui-primary); color: var(--ui-primary); }
.pagination .active { background: var(--ui-primary); border-color: var(--ui-primary); color: #fff; }
.pagination .disabled { color: var(--ui-foreground-disabled); cursor: not-allowed; }

/* ==========================================================
 * 详情页
 * ========================================================== */
.detail { display: grid; grid-template-columns: 1fr 320px; gap: 16px; }
.detail .left .cover {
    background: var(--ui-surface);
    border-radius: var(--ui-radius);
    padding: 12px;
    text-align: center;
}
.detail .left .cover img { border-radius: var(--ui-radius); max-height: 320px; margin: 0 auto; }
.detail .left .play-area {
    background: rgb(16, 16, 20);
    border-radius: var(--ui-radius);
    overflow: hidden;
    margin-bottom: 16px;
    aspect-ratio: 16 / 9;
}
.detail .left .play-area iframe { width: 100%; height: 100%; border: 0; }
.detail .left h1 { font-size: 22px; margin: 16px 0 8px; color: var(--ui-foreground-strong); }
.detail .meta-bar { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.detail .meta-bar .tag {
    background: var(--ui-hover);
    color: var(--ui-foreground);
    padding: 3px 10px;
    border-radius: var(--ui-radius);
    font-size: var(--ui-font-size-tiny);
}
.detail .info-row { padding: 10px 0; border-bottom: 1px solid var(--ui-divider); }
.detail .info-row strong { color: var(--ui-foreground-muted); margin-right: 8px; }
.detail .desc { padding: 16px 0; }
.detail .right { display: flex; flex-direction: column; gap: 12px; }

/* ==========================================================
 * 播放页
 * ========================================================== */
.play-page { background: rgb(16, 16, 20); min-height: calc(100vh - 200px); padding: 12px 0; }
.play-frame {
    max-width: 1280px; margin: 0 auto;
    background: #000;
    aspect-ratio: 16 / 9;
    border-radius: var(--ui-radius);
    overflow: hidden;
}
.play-frame iframe { width: 100%; height: 100%; border: 0; }
.play-bar {
    max-width: 1280px;
    margin: 8px auto 0;
    color: var(--ui-foreground-muted);
    display: flex; justify-content: space-between; align-items: center;
}
.play-bar a { color: var(--ui-foreground-muted); }
.play-bar a:hover { color: #fff; }

/* ==========================================================
 * 系列详情页（参考站 SeriesView）
 * 1:1 复刻：series-heading / series-description /
 *           series-header-row / ui-pagination
 * ========================================================== */
.series-page .section { padding-top: 24px; padding-bottom: 24px; }

.series-heading {
    display: flex;
    align-items: center;
    gap: 12px;
}
.series-icon-container {
    width: 48px;
    height: 48px;
    flex: none;
    display: flex; align-items: center; justify-content: center;
    background: var(--ui-hover);
    border-radius: var(--ui-radius);
}
.series-heading .series-icon {
    max-width: 80%;
    max-height: 80%;
    object-fit: contain;
    image-rendering: pixelated;
}
.series-heading .series-name {
    color: var(--ui-foreground-strong);
    font-weight: var(--ui-font-weight-strong);
}
.series-description {
    margin: 12px 0 16px;
    color: var(--ui-foreground);
    line-height: var(--ui-line-height);
}

/* 系列详情页：series-header-row / series-filters / series-count / multi-select-filter /
 * ui-pagination 等样式已统一迁移到 series.css 中维护（1:1 复刻 zaixianwan.app）。
 * 此处保留一行注释避免外部 link 顺序问题。 */

/* Tag（参考站 UiTag：borderless + icon + content） */
.ui-tag {
    display: inline-flex;
    align-items: center;
    flex-wrap: nowrap;
    height: 22px;
    padding: 0 7px;
    border: 1px solid transparent;
    border-radius: var(--ui-radius-small);
    background: var(--ui-tag-background, #eee);
    color: var(--ui-foreground);
    font-size: var(--ui-font-size-tiny);
    line-height: 1;
    vertical-align: middle;
    white-space: nowrap;
    max-width: 100%;
}
.ui-tag--small { height: 22px; font-size: var(--ui-font-size-tiny); }
.ui-tag--bordered { background: rgb(250, 250, 252); border-color: var(--ui-border); }
.ui-tag__icon {
    display: flex;
    flex: none;
    margin-right: 4px;
    color: inherit;
    align-items: center;
    justify-content: center;
}
.ui-tag__icon img { width: 12px; height: 12px; object-fit: contain; }
.ui-tag__icon svg { width: 12px; height: 12px; display: block; }
.ui-tag__content { min-width: 0; overflow: hidden; text-overflow: ellipsis; }

/* 游戏卡 meta 标签 */
.game-result__icon {
    width: 1em;
    height: 1em;
    vertical-align: middle;
    object-fit: contain;
    margin-right: 0.5em;
}
.game-result__type-tag,
.game-result__lang-tag {
    flex: none;
}

/* 筛选 chip（语言 / 地区）—— 参考站 ResultsFilterOptions 的 Listbox 多选 chip 简化版 */
.ui-filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    height: 28px;
    padding: 0 10px;
    border: 1px solid var(--ui-border);
    border-radius: 14px;
    background: var(--ui-surface);
    color: var(--ui-foreground);
    font-size: var(--ui-font-size-tiny);
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    transition: color .15s, border-color .15s, background .15s;
    user-select: none;
}
.ui-filter-chip:hover {
    color: var(--ui-primary);
    border-color: var(--ui-primary);
    background: var(--ui-pressed);
}
.ui-filter-chip.is-active {
    color: #fff;
    background: var(--ui-primary);
    border-color: var(--ui-primary);
}
.ui-filter-chip.is-active:hover {
    background: var(--ui-primary-hover);
    border-color: var(--ui-primary-hover);
    color: #fff;
}
.ui-filter-chip__count {
    color: var(--ui-foreground-muted);
    font-size: 11px;
    margin-left: 2px;
}
.ui-filter-chip.is-active .ui-filter-chip__count { color: rgba(255,255,255,.85); }

/* 系列详情页：ui-pagination / multi-select-filter / ui-result 已迁移到 series.css 维护（1:1 复刻 zaixianwan.app）。 */
.ui-pagination__info {
    font-size: var(--ui-font-size-tiny);
    color: var(--ui-foreground-muted);
}

/* ==========================================================
 * 首页搜索（参考站 SearchInputLazyLoader 懒加载的 SearchInput）
 * 1:1 复刻：大号搜索框 + 圆角 + 占位符
 * ========================================================== */
.home-search-combobox {
    display: flex; align-items: center;
    width: 100%;
    height: 48px;
    padding: 0 16px;
    border: 1px solid var(--ui-border);
    border-radius: var(--ui-radius);
    background: transparent;
    color: var(--ui-foreground);
    transition: border-color .15s, box-shadow .15s;
}
.home-search-combobox:focus-within {
    border-color: var(--ui-primary);
    box-shadow: 0 0 0 2px var(--ui-primary-secondary);
}
.home-search-combobox__icon {
    margin-right: 12px;
    color: var(--ui-foreground-muted);
    flex: none;
}
.home-search-combobox__input {
    flex: 1; min-width: 0;
    height: 100%;
    padding: 0;
    border: 0; outline: 0; background: transparent;
    color: inherit; font-size: inherit;
}
.home-search-combobox__input::placeholder { color: var(--ui-foreground-muted); }

/* ==========================================================
 * 页脚
 * ========================================================== */
.footer {
    background: var(--ui-surface);
    border-top: 1px solid var(--ui-divider);
    color: var(--ui-foreground-muted);
    padding: 32px 0 20px;
    margin-top: 40px;
    font-size: var(--ui-font-size-tiny);
}
.footer .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 24px;
}
/* 当只有品牌介绍一列时，让它跨满整行并居中，避免内容停留在左半边 */
.footer .footer-grid > .footer-col:only-child {
    grid-column: 1 / -1;
    text-align: center;
}
.footer h4 {
    color: var(--ui-foreground-strong);
    margin: 0 0 12px;
    font-size: 14px;
}
.footer .footer-col ul { margin: 0; padding: 0; list-style: none; }
.footer .footer-col a {
    display: block;
    padding: 4px 0;
    color: var(--ui-foreground-muted);
    text-decoration: none;
    transition: color .15s;
}
.footer .footer-col a:hover { color: var(--ui-primary); }
.footer .footer-brand .brand-line { color: var(--ui-foreground-strong); font-weight: var(--ui-font-weight-strong); margin-bottom: 6px; }
.footer .footer-brand p { margin: 4px 0; }
.footer .copyright {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--ui-divider);
    text-align: center;
    font-size: var(--ui-font-size-tiny);
    color: var(--ui-foreground-muted);
}
@media (max-width: 800px) {
    .footer .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ==========================================================
 * 语言切换
 * ========================================================== */
.lang-switch {
    display: inline-flex;
    gap: 8px;
    flex: 0 1 auto;      /* 由 .topbar__right 右对齐；空间不足时收缩为可横向滑动 */
    min-width: 0;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;          /* Firefox */
    -ms-overflow-style: none;       /* 旧 Edge/IE */
}
.lang-switch::-webkit-scrollbar { display: none; }   /* WebKit / Blink */
.lang-switch__item {
    flex: none;
    white-space: nowrap;
    color: var(--ui-foreground-muted);
    text-decoration: none;
    font-size: var(--ui-font-size-tiny);
    padding: 0 4px;
}
.lang-switch__item.is-active { color: var(--ui-primary); font-weight: var(--ui-font-weight-strong); }
.lang-switch__item:hover { color: var(--ui-primary); }

/* ==========================================================
 * （旧版 .nav-mobile-panel 已弃用，由 .mobile-menu-popover 取代）
 * ========================================================== */

/* ==========================================================
 * Logo / footer brand line （覆盖颜色让其支持主题）
 * ========================================================== */
.logo-text { color: var(--ui-foreground-strong); }
.logo:hover .logo-text { color: var(--ui-primary); }

/* ==========================================================
 * 全局 Loading 反馈
 *  - op-page-progress：顶部进度条（page-progress.js 注入）
 *  - .is-loading：按钮级 spinner（loading-helper.js 配合）
 * ========================================================== */
.op-page-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    width: 0;
    background: var(--ui-primary);
    z-index: 99999;
    pointer-events: none;
    box-shadow: 0 0 6px var(--ui-primary-secondary);
    transition: width .25s ease, opacity .25s ease;
    opacity: 1;
}
.op-page-progress.is-done {
    width: 100% !important;
    opacity: 0;
}
.op-page-progress.is-error {
    background: var(--ui-error);
}

/* 通用 spinner（.op-spinner） */
@keyframes op-spin {
    to { transform: rotate(360deg); }
}
.op-spinner {
    display: inline-block;
    vertical-align: -2px;
    animation: op-spin .8s linear infinite;
    transform-origin: 50% 50%;
}

/* 按钮级 loading：
   - 任何被加 .is-loading 的可点元素会自动显示内联 spinner
   - 默认隐藏原内容的可见部分（icon + label），保留宽度避免跳；
     业务脚本可以再用 .is-loading-with-label 同时保留文字
*/
.ui-button.is-loading,
.ui-button--tone-primary.is-loading,
.ui-button--variant-solid.is-loading,
.ui-button--variant-secondary.is-loading,
.ui-button--variant-text.is-loading,
.ui-button--variant-quaternary.is-loading,
.ui-button.is-loading,
.account-btn.is-loading,
.account-btn--primary.is-loading,
.account-btn--danger.is-loading,
.account-linkbtn.is-loading,
.menu-trigger.is-loading,
.fav-btn.is-loading,
.cover-overlay__launch.is-loading {
    position: relative;
    pointer-events: none;
    opacity: .78;
    color: var(--ui-foreground-muted);
    cursor: progress !important;
}
.ui-button.is-loading::after,
.account-btn.is-loading::after,
.account-linkbtn.is-loading::after,
.menu-trigger.is-loading::after,
.fav-btn.is-loading::after,
.cover-overlay__launch.is-loading::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 14px;
    height: 14px;
    margin-left: -7px;
    margin-top: -7px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: op-spin .8s linear infinite;
    pointer-events: none;
}
/* 当按钮里同时含 icon + label 时，loading 期间只把 icon / label 半透明，不替换文字 */
.ui-button.is-loading > .ui-button-icon,
.ui-button.is-loading > .ui-button-label {
    opacity: .35;
}
/* data-busy-style 出现时强制覆盖为「保留文字 + 旁挂 spinner」模式 */
.ui-button.is-loading.is-loading-with-label::after,
.account-btn.is-loading.is-loading-with-label::after {
    position: static;
    display: inline-block;
    vertical-align: -2px;
    margin: 0 0 0 6px;
    width: 12px;
    height: 12px;
}

/* 收藏按钮按下瞬态反馈：star 按钮单独走「轻微脉动」 */
.fav-btn {
    transition: transform .12s ease;
}
.fav-btn.is-busy {
    animation: op-fav-pulse .5s ease;
    pointer-events: none;
}
@keyframes op-fav-pulse {
    0%   { transform: scale(1); }
    50%  { transform: scale(1.35); }
    100% { transform: scale(1); }
}

/* admin 后台表单（提交按钮加 spinner 后，配合 .is-loading）；同时把按钮内的
   spinner 用 pseudo-element 显示，避免每次提交都改 innerHTML。
*/
.admin-form-actions .btn.is-submit-loading,
.btn.is-submit-loading {
    position: relative;
    pointer-events: none;
    opacity: .78;
    cursor: progress;
}
.admin-form-actions .btn.is-submit-loading::after,
.btn.is-submit-loading::after {
    content: '';
    display: inline-block;
    vertical-align: -2px;
    width: 12px;
    height: 12px;
    margin-left: 8px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: op-spin .8s linear infinite;
}

/* 全局 busy overlay（loading-helper.js: OP_LOADING.busy） */
.op-busy-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, .28);
    z-index: 99998;
    pointer-events: none;
    opacity: 0;
    transition: opacity .15s ease;
}
.op-busy-overlay.is-show {
    opacity: 1;
}
.op-busy-overlay__box {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: 999px;
    background: var(--ui-surface);
    color: var(--ui-foreground-strong);
    box-shadow: var(--ui-shadow-floating);
    font-size: 13px;
}
.op-busy-overlay__spin {
    color: var(--ui-primary);
}
.op-busy-overlay__text {
    white-space: nowrap;
    max-width: 60vw;
    overflow: hidden;
    text-overflow: ellipsis;
}