/* 全站共享精修层：只负责组件质量，不改变导航站宏观布局。 */
*, *::before, *::after { box-sizing: border-box; }

body {
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

a, button, input, textarea, select, .url-body {
    transition-duration: var(--ui-motion-fast);
    transition-timing-function: ease-out;
}

:where(a, button, input, textarea, select, [tabindex]):focus-visible {
    outline: 2px solid var(--t-link, #f1404b);
    outline-offset: 2px;
    box-shadow: var(--ui-focus-ring);
}

.page-header {
    border-bottom: 1px solid var(--t-border);
}

.page-header .navbar-nav a {
    font-weight: 500;
    letter-spacing: .01em;
}

.main-footer .footer-text {
    text-align: center;
}

.sidebar-nav {
    border-right: 1px solid var(--t-border);
}

/* 桌面端强化侧栏与正文的纵向层次，经典白保持原有高对比效果。 */
@media (min-width: 768px) {
    body.io-black-mode .sidebar-nav,
    body.io-grey-mode .sidebar-nav,
    body.io-glass-mode .sidebar-nav,
    body.io-minimal-mode .sidebar-nav,
    body.io-y2k-mode .sidebar-nav,
    body.io-fluid-mode .sidebar-nav,
    body.io-neumorph-mode .sidebar-nav,
    body.io-cyberpunk-mode .sidebar-nav {
        box-shadow: 8px 0 22px rgba(15, 23, 42, .10);
    }

    body.io-neumorph-mode .sidebar-nav {
        border-right-color: rgba(45, 58, 82, .14);
        box-shadow: 8px 0 22px rgba(45, 58, 82, .12);
    }

    body.io-fluid-mode .sidebar-nav {
        border-right-color: rgba(0, 96, 100, .14);
    }

    body.io-brutalist-mode .sidebar-nav {
        border-right-width: var(--t-border-width);
    }
}

.sidebar-menu-inner a {
    min-height: 42px;
    display: flex;
    align-items: center;
}

/* 仅压缩后台标记为 sidebar-compact 的一级子菜单。 */
.sidebar-menu-inner .sidebar-item.sidebar-compact > ul > li > a {
    min-height: 34px;
    max-height: 34px;
    line-height: 34px;
}

.sidebar-menu-inner .sidebar-item.sidebar-compact > ul > li > a > i:not(.sidebar-more) {
    width: 1.25rem;
    margin-right: .375rem !important;
    text-align: center;
    flex: 0 0 1.25rem;
}

.sidebar-menu-inner .sidebar-item.sidebar-compact > ul > li > a > span {
    margin-left: 0;
    line-height: inherit;
}

@media (max-width: 767.98px) {
    .sidebar-menu-inner .sidebar-item.sidebar-compact > ul > li > a {
        min-height: 40px;
        max-height: 40px;
        line-height: 40px;
    }
}

#search.io-home-search {
    margin-top: 52px !important;
    margin-bottom: 56px !important;
}

#search-text {
    min-height: 50px;
    border: 1px solid var(--t-border) !important;
    box-shadow: 0 8px 28px rgba(var(--t-focus-rgb, 241, 64, 75), .08);
}

#search-text:focus-within {
    border-color: var(--t-link) !important;
    box-shadow: var(--ui-focus-ring), 0 12px 32px rgba(var(--t-focus-rgb, 241, 64, 75), .12);
}

.url-card .url-body {
    min-height: var(--ui-card-height);
    border: 1px solid var(--t-border);
    border-radius: var(--t-radius);
    box-shadow: var(--t-shadow);
}

.url-card .url-body:hover {
    transform: translateY(-2px);
    box-shadow: var(--t-shadow-hover);
}

.url-card .url-img {
    width: var(--ui-icon-size);
    height: var(--ui-icon-size);
    flex: 0 0 var(--ui-icon-size);
}

.url-card .url-name,
.url-card .url-content strong {
    line-height: 1.35;
    font-weight: 600;
}

.theme-panel {
    border: 1px solid var(--t-border);
    box-shadow: var(--t-shadow);
}

/* 全站内容卡片：同时覆盖主题现有的 card-app / card-book 根节点。 */
.app-card,
.card-app,
.book-card,
.card-book {
    color: var(--t-text);
}

.app-card .media,
.card-app .media,
.book-card .media,
.card-book .media {
    border: 1px solid var(--t-border);
    border-radius: var(--t-radius);
    box-shadow: var(--t-shadow);
}

.app-card .list-title,
.card-app .list-title,
.book-card .list-title,
.card-book .list-title {
    color: var(--t-text);
    font-weight: 600;
    line-height: 1.35;
}

.app-card .list-subtitle,
.card-app .list-subtitle,
.book-card .list-subtitle,
.card-book .list-subtitle {
    color: var(--t-text-muted) !important;
}

.card-post,
.article-list {
    color: var(--t-text);
}

.card-post .media,
.article-list {
    overflow: hidden;
    border: 1px solid var(--t-border);
    border-radius: var(--t-radius);
    box-shadow: var(--t-shadow);
}

.card-post .list-title,
.article-list .media-title {
    font-weight: 600;
    line-height: 1.35;
}

/* 详情、文章与评论共用表面。 */
.panel-body,
.comment-list {
    color: var(--t-text);
}

.panel-body {
    overflow-wrap: anywhere;
}

.comment-list > li {
    border-bottom: 1px solid var(--t-border);
    padding-block: var(--ui-space-3);
}

.form-control {
    min-height: 42px;
    color: var(--t-input-text);
    background: var(--t-input-bg);
    border: 1px solid var(--t-border);
    border-radius: var(--t-radius);
}

textarea.form-control {
    min-height: 108px;
}

.form-control:focus {
    color: var(--t-input-text);
    background: var(--t-input-bg);
    border-color: var(--t-link);
    box-shadow: var(--ui-focus-ring);
}

.btn,
button,
input[type="button"],
input[type="submit"] {
    min-height: 40px;
}

.modal-content {
    color: var(--t-text);
    background: var(--t-card);
    border: 1px solid var(--t-border);
    border-radius: var(--ui-content-radius);
    box-shadow: var(--t-shadow-hover);
}

.pagination {
    gap: var(--ui-space-1);
}

.pagination .page-link,
.pagination a,
.pagination span {
    color: var(--t-text);
    background: var(--t-card);
    border-color: var(--t-border);
    border-radius: var(--t-radius);
}

.pagination .active .page-link,
.pagination .current {
    color: var(--t-card);
    background: var(--t-link);
    border-color: var(--t-link);
}

.posts-nav .page-numbers,
#comments-navi > a,
#comments-navi > span {
    color: var(--t-text);
    background: var(--t-card);
    border: 1px solid var(--t-border);
    border-radius: var(--t-radius);
}

.posts-nav .current,
#comments-navi > .current {
    color: var(--t-card) !important;
    background: var(--t-link);
    border-color: var(--t-link);
    box-shadow: var(--t-shadow-hover);
}

.nothing {
    color: var(--t-text-muted);
    padding: var(--ui-space-5) var(--ui-space-4);
}

.ajax-loading {
    color: var(--t-text) !important;
    background: var(--t-card) !important;
    opacity: .86;
}

/* 全屏预加载保持不透明，避免露出未就绪的页面。 */
#loading,
#load-loading {
    color: var(--t-text);
    background: var(--t-bg) !important;
}

#loading-comments {
    color: var(--t-link);
}

.icon-loading {
    color: var(--t-link);
}

@media (max-width: 1199.98px) {
    .main-content {
        padding-right: var(--ui-space-4);
        padding-left: var(--ui-space-4);
    }

    .url-card {
        margin-bottom: var(--ui-space-3);
    }

    .url-card .url-content {
        min-width: 0;
    }

    .url-card .url-content strong {
        display: block;
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}

@media (max-width: 767.98px) {
    #search.io-home-search {
        margin-top: 44px !important;
        margin-bottom: 48px !important;
    }

    #search-text {
        min-height: 48px;
    }

    .sidebar-nav {
        max-width: calc(100vw - 32px);
        overflow-x: hidden;
    }

    .theme-panel {
        width: min(320px, calc(100vw - 32px));
    }

    .modal-dialog {
        margin: var(--ui-space-4);
    }

    .io-detail-panel {
        padding: var(--ui-space-4);
    }
}

@media (max-width: 575.98px) {
    #search.io-home-search {
        margin-top: 36px !important;
        margin-bottom: 40px !important;
    }

    .url-card .url-body {
        min-height: 68px;
        padding: var(--ui-space-3);
    }

    .url-card .url-img {
        width: 38px;
        height: 38px;
        flex-basis: 38px;
    }

    .theme-swatch,
    .io-form-section .btn,
    #footer-tools .btn {
        min-height: 40px;
    }

    .io-detail-panel,
    .io-form-section {
        max-width: 100%;
        overflow-wrap: anywhere;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}

@media (min-width:1200px) {
    .io-sites-per-row-2 { flex:0 0 50%; max-width:50%; }
    .io-sites-per-row-3 { flex:0 0 33.333333%; max-width:33.333333%; }
    .io-sites-per-row-4 { flex:0 0 25%; max-width:25%; }
    .io-sites-per-row-5 { flex:0 0 20%; max-width:20%; }
    .io-sites-per-row-6 { flex:0 0 16.666667%; max-width:16.666667%; }
    .io-sites-per-row-8 { flex:0 0 12.5%; max-width:12.5%; }
    .io-sites-per-row-10 { flex:0 0 10%; max-width:10%; }
}

/* all-themes-shared-font:start */
body,
input,
button,
select,
optgroup,
option,
textarea,
blockquote,
dd,
dl,
figure,
form,
pre,
.h1,
.h2,
.h3,
.h4,
.h5,
.h6,
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: SimSun, "Songti SC", STSong, 宋体, serif !important;
}

.iconfont {
    font-family: "iconfont" !important;
}
/* all-themes-shared-font:end */

/* all-themes-url-card-shadow:start */
.url-card .url-body,
.url-card .url-body:hover,
.url-card .url-body:focus,
.url-card .url-body:focus-within {
    box-shadow: none !important;
    -webkit-box-shadow: none !important;
    -moz-box-shadow: none !important;
}
/* all-themes-url-card-shadow:end */

/* url-card-single-visual-layer:start */
.url-card .url-body {
    background: transparent !important;
    border: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    -webkit-box-shadow: none !important;
    -moz-box-shadow: none !important;
}

.url-card .url-body > a.card {
    margin-bottom: 0 !important;
}

.url-card .url-body > a.card,
.url-card .url-body > a.card:hover,
.url-card .url-body > a.card:focus,
.url-card .url-body > a.card:focus-within {
    box-shadow: none !important;
    -webkit-box-shadow: none !important;
    -moz-box-shadow: none !important;
}
/* url-card-single-visual-layer:end */