/* source: assets/css/frontend/legacy-utilities.css */
/**
 * legacy utility class bridge
 *
 * Single / author / meta markup still uses legacy utility class names
 * (.flex / .ac / .jsb / .abs-right / .muted-2-color / …). Without these
 * helpers the author bar and meta row collapse into a vertical mess.
 *
 * Keep this file tiny and pure utility — domain styles stay in single-post/*.
 */

/* Layout helpers */
.relative { position: relative; }
.flex { display: flex; }
.flex.ac,
.ac { align-items: center; }
.flex.jc,
.jc { justify-content: center; }
.flex.jsb,
.jsb { justify-content: space-between; }
.flex.at,
.at { align-items: flex-start; }
.flex.ae,
.ae { align-items: flex-end; }
.flex0 { flex: 0 0 auto; }
.flex1 { flex: 1 1 auto; min-width: 0; }
.flex.column { flex-direction: column; }
.flex.wrap { flex-wrap: wrap; }
.flex.flex-row,
.flex-row { flex-direction: row; }
.flex.jse,
.jse { justify-content: space-evenly; }
.flex.jsa,
.jsa { justify-content: space-around; }
/* Nested flex1 (legacy .flex .flex1) — allow both direct and descendant */
.flex > .flex1,
.flex .flex1 { flex: 1; overflow: hidden; min-width: 0; }
.relative-h { position: relative; height: 100%; }
.padding-10 { padding: 10px; }
.font-bold { font-weight: bold; }
.mt6 { margin-top: 6px; }
.gutters-5 { margin: -5px; }
.gutters-5 > * { padding: 5px; }
@media (max-width: 767px) {
  .flex.flex-row.flex-col-sm-2 {
    flex-wrap: wrap;
  }
  .flex.flex-row.flex-col-sm-2 > * {
    flex-basis: 50%;
  }
}

.clearfix::before,
.clearfix::after {
  content: "";
  display: table;
}

.clearfix::after {
  clear: both;
}

.abs-right {
  position: absolute;
  right: 0;
  top: 0;
}

/* legacy .abs-center: full-width vertical center (translateY only).
 * Header search and slide-text rely on this model. Point-center
 * (left:50% + translate(-50%,-50%)) is NOT used for these layers. */
.abs-center {
  position: absolute;
  left: 0;
  width: 100%;
  top: 50%;
  right: 0.7em;
  transform: translateY(-50%);
  z-index: 1;
}

/* legacy abs-center position variants (main.css) */
.abs-center.left-top,
.abs-center.right-top {
  transform: unset;
  top: 0;
}

.abs-center.right-top {
  left: auto;
  width: auto;
  text-align: right;
}

.abs-center.left-top {
  text-align: left;
}

.abs-center.conter-bottom,
.abs-center.conter-conter {
  text-align: center;
}

.abs-center.right-top,
.abs-center.right-bottom,
.abs-center.right-conter {
  text-align: right;
}

.abs-center.conter-bottom,
.abs-center.right-bottom,
.abs-center.left-bottom {
  top: auto;
  transform: unset;
  bottom: 0;
}

.abs-center.left-bottom {
  left: 0;
  right: auto;
  text-align: left;
}

.abs-center.right-bottom,
.abs-center.right-conter {
  left: auto;
  right: 0;
  text-align: right;
}

/* Graphic ratio box (cover / related thumbs) — legacy .graphic */
.graphic,
.page-cover {
  text-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
  --main-color: #fff;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 10px var(--main-shadow, rgba(116, 116, 116, 0.08));
  padding: 0;
  padding-bottom: 70%;
  border-radius: var(--main-radius, var(--radius, 8px));
}

.graphic > .fit-cover,
.graphic > img.fit-cover {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  inset: 0;
}

.fit-cover {
  object-fit: cover;
  max-width: 100%;
}

/* title-h-left underline bar (legacy) */
.title-h-left {
  position: relative;
  padding-bottom: 8px;
}

.title-h-left:before {
  transition: 0.4s;
  transform-origin: left;
  position: absolute;
  content: "";
  width: 40px;
  height: 3px;
  background: var(--theme-color, var(--focus-color, #f04494));
  left: 0;
  bottom: 3px;
  border-radius: 5px;
  box-shadow: 1px 1px 3px -1px var(--theme-color, var(--focus-color, #f04494));
}

/* line-form-line — legacy absolute bottom rule (author meta separator) */
.line-form-line,
.line-form-line:before {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 1px;
  width: 100%;
  transition: 0.8s;
  background: var(--main-border-color, rgba(50, 50, 50, 0.06));
}

.line-form-line:before {
  content: "";
  width: 0;
  background: var(--focus-color, #f04494);
}

/* Avatar size primitive */
.avatar-img {
  position: relative;
  display: inline-block;
  flex-shrink: 0;
  --this-size: 38px;
  width: var(--this-size);
  height: var(--this-size);
}

.avatar-img .avatar,
.avatar-img img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.avatar-lg {
  --this-size: 80px;
}

.avatar-md {
  --this-size: 55px;
}

.avatar-mini {
  --this-size: 20px;
}

.shrink0 {
  flex-shrink: 0;
}

.opacity8 {
  opacity: 0.8;
}

/* Typography / color helpers */
.muted-color { color: var(--muted-color, var(--color-ink-3)); }
.muted-2-color { color: var(--muted-2-color, var(--color-ink-4)); }
.muted-3-color { color: var(--muted-3-color, #b1b1b1); }
.muted-4-color { color: var(--muted-4-color, #d2d2d2); }
.text-center { text-align: center; }
.em09 { font-size: 0.9em; }
.em12 { font-size: 1.2em; }
.px12-sm { font-size: 12px; }
.ml3 { margin-left: 3px; }
.ml6 { margin-left: 6px; }
.ml10 { margin-left: 10px; }
.mr3 { margin-right: 3px; }
.mr6 { margin-right: 6px; }
.mt10 { margin-top: 10px; }
.mt20 { margin-top: 20px; }
.mb10 { margin-bottom: 10px; }
.mb20 { margin-bottom: 20px; }

.text-ellipsis {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.text-ellipsis-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}

/* Surfaces used by single article shell */
.main-bg {
  background-color: var(--main-bg-color, var(--surface-1));
}

.separator {
  position: relative;
  letter-spacing: 0.08em;
}

/* Compact inline separators inside meta/time rows */
.icon-circle + .icon-circle::before {
  content: "·";
  display: inline-block;
  margin: 0 0.45em;
  opacity: 0.55;
}

/* Author name row (was a non-standard <name> element) */
.article-avatar name,
.article-avatar .name,
.user-name {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
  max-width: 100%;
}

.pull-right { float: right; }
.pull-left { float: left; }

/* source: assets/css/frontend/single-post/shell.css */
/* Single page shell — relies on body.site-layout-1/2/3 float dual-column
 * defined in layout.css (legacy 1:1). Page-owned overrides stay minimal. */

/* Single article stack lives inside .content-layout as direct children;
 * do not re-enable the legacy primary/aside grid here. */
body.single main.container .content-layout {
  display: block;
  min-width: 0;
}

body.single main.container .content-layout > * {
  min-width: 0;
  max-width: 100%;
}

/* Breadcrumb sits under fixed header (body.nav-fixed already pads top). */
body.single main.container .content-layout > .breadcrumb,
body.single main.container .content-layout > ul.breadcrumb,
body.single main.container .content-layout > .breadcrumb-nav,
body.single main.container .content-layout > .breadcrumbs-wrap {
  position: relative;
  z-index: 1;
  margin-top: 0;
  margin-bottom: 12px;
  padding-top: 2px;
}

body.single .sidebar .aksrt-panel,
body.single .sidebar .widget {
  margin-bottom: 15px;
}

/* Geometry owned by base/layout — keep single shell free of float overrides. */
body.single main.container {
  box-sizing: border-box;
}

/* source: assets/css/frontend/single-post/content.css */
/* ========== Single Post ========== */

/* legacy .article — card body padding wins over .box-body (main.css order) */
.article,
article.article.box-body,
.article.main-bg.box-body {
  padding: 0 30px;
  overflow: hidden;
}

@media (max-width: 767px) {
  .article,
  article.article.box-body,
  .article.main-bg.box-body {
    padding: 0 15px;
  }

  .article-header .article-title {
    font-size: 18px;
  }
}

.entry-header,
.article-header {
  margin-bottom: 10px;
  padding-bottom: 0;
  border-bottom: none;
  /* theme-box is spacing only — never paint a nested card here */
  background: transparent;
  box-shadow: none;
  border-radius: 0;
}

/* 标题 — 对齐 legacy: 22px, bold, line-height 1.4 */
.entry-title,
.article-title {
  font-size: 22px;
  font-weight: bold;
  margin: 0;
  line-height: 1.4;
  letter-spacing: 0;
  color: var(--key-color, var(--color-ink));
}

.article-title > a:hover {
  color: inherit;
}

.article-header .article-title {
  font-size: 22px;
  font-weight: bold;
  color: var(--key-color, var(--color-ink));
  margin-top: 15px;
}

.article-header .article-avatar {
  margin-top: 15px;
}

.entry-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  font-size: 0.875rem;
  color: var(--color-ink-4);
}

.entry-meta a {
  color: var(--color-ink-3);
}

.entry-meta a:hover {
  color: var(--color-primary);
}

.entry-thumb {
  margin: 0 0 28px;
  border-radius: var(--radius-btn);
  overflow: hidden;
}

/* 内容区 — 对齐 legacy: 16px, line-height 2 */
.entry-content,
.wp-posts-content {
  font-size: 16px;
  line-height: 2;
  color: var(--main-color, var(--color-ink));
  overflow-wrap: break-word;
  word-wrap: break-word;
  min-height: 90px;
}

/* legacy content heading bars */
.wp-posts-content > h1:not([class]),
.wp-posts-content > h2:not([class]),
.wp-posts-content > h3:not([class]),
.wp-posts-content > h4:not([class]),
.wp-posts-content > h1.wp-block-heading,
.wp-posts-content > h2.wp-block-heading,
.wp-posts-content > h3.wp-block-heading,
.wp-posts-content > h4.wp-block-heading {
  position: relative;
  padding-bottom: 8px;
}

.wp-posts-content > h1:not([class]):before,
.wp-posts-content > h2:not([class]):before,
.wp-posts-content > h3:not([class]):before,
.wp-posts-content > h4:not([class]):before,
.wp-posts-content > h1.wp-block-heading:before,
.wp-posts-content > h2.wp-block-heading:before,
.wp-posts-content > h3.wp-block-heading:before,
.wp-posts-content > h4.wp-block-heading:before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 40px;
  height: 3px;
  background: var(--theme-color, var(--focus-color, #f04494));
  border-radius: 5px;
}

.wp-posts-content > h3:not([class]):before,
.wp-posts-content > h4:not([class]):before,
.wp-posts-content > h3.wp-block-heading:before,
.wp-posts-content > h4.wp-block-heading:before {
  width: 28px;
  height: 2px;
}

:is(.entry-content, .wp-posts-content) > *:first-child {
  margin-top: 0;
}

:is(.entry-content, .wp-posts-content) p {
  margin: 0 0 1.5em;
}

/* 段落首行缩进（参考主题 post_p_indent_s：开启后正文段落首行缩进 2em）。 */
.wp-posts-content.p-indent p {
  text-indent: 2em;
}

:is(.entry-content, .wp-posts-content) h2 {
  font-size: 20px;
  font-weight: 700;
  margin: 28px 0 14px;
}

:is(.entry-content, .wp-posts-content) h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 24px 0 12px;
}

:is(.entry-content, .wp-posts-content) h4 {
  font-size: 16px;
  font-weight: 700;
  margin: 22px 0 10px;
}

:is(.entry-content, .wp-posts-content) blockquote {
  margin: 0 0 24px;
  padding: 18px 20px;
  border-left: 4px solid var(--color-primary);
  background: var(--surface-4, rgba(0, 0, 0, 0.03));
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  color: var(--color-ink-3);
}

:is(.entry-content, .wp-posts-content) img {
  margin: 0 auto;
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: min(8px, var(--main-radius, 8px));
}

:is(.entry-content, .wp-posts-content) figure {
  max-width: 100%;
  margin: 1.5em auto;
}

:is(.entry-content, .wp-posts-content) figcaption {
  margin-top: 8px;
  color: var(--muted-color, #777);
  font-size: 13px;
  line-height: 1.6;
  text-align: center;
}

:is(.entry-content, .wp-posts-content) iframe,
:is(.entry-content, .wp-posts-content) .wp-block-embed iframe,
:is(.entry-content, .wp-posts-content) video {
  max-width: 100%;
  height: auto;
}

:is(.entry-content, .wp-posts-content) .wp-block-embed {
  position: relative;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  margin: 1.5em 0;
}

/* 行内代码 — 对齐 legacy: 粉色文字 + 粉色背景 */
:is(.entry-content, .wp-posts-content) code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: #ff3c98;
  background: rgba(253, 153, 153, 0.2);
  padding: 2px 6px;
  border-radius: 4px;
}

:is(.entry-content, .wp-posts-content) ul,
:is(.entry-content, .wp-posts-content) ol {
  padding-left: 1.5em;
  margin: 0 0 1.5em;
}

:is(.entry-content, .wp-posts-content) ul li::marker {
  color: var(--color-primary);
}

.entry-footer {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--color-line);
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.post-tags a {
  padding: 4px 10px;
  border-radius: 50px;
  background: var(--muted-bg-color, #eee);
  border: 1px solid var(--main-border-color, rgba(50, 50, 50, 0.06));
  font-size: 13px;
  color: var(--muted-color, #777);
}

.post-tags a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.related-posts {
  margin-top: 48px;
  padding: 20px 0 0;
  border-top: 1px solid var(--color-line-soft);
}

.related-posts__title {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--key-color, #333);
}

.related-posts__title::before {
  content: '';
  display: inline-block;
  width: 40px;
  height: 3px;
  background: var(--theme-color, #f04494);
  border-radius: 5px;
  vertical-align: middle;
  margin-right: 8px;
}

.related-posts__grid {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.related-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--main-border-color, rgba(50, 50, 50, 0.06));
  transition: 0.15s;
}

.related-card:last-child {
  border-bottom: none;
}

.related-card a {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--key-color, #333);
  text-decoration: none;
  width: 100%;
}

.related-card:hover a {
  color: var(--focus-color, #f04494);
}

.related-card__thumb {
  width: 96px;
  min-width: 96px;
  height: 64px;
  border-radius: var(--main-radius, 8px);
  overflow: hidden;
  flex-shrink: 0;
}

.related-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.related-card:hover .related-card__thumb img {
  transform: scale(1.05);
}

.related-card h4 {
  font-size: 14px;
  font-weight: 600;
  margin: 0;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* source: assets/css/frontend/single-post/author-actions.css */
/* ===== Content Footer ===== */
.article-footer {
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px solid var(--color-line);
}

.article-copyright {
    font-size: 13px;
    color: var(--color-ink-4, var(--color-ink-4));
    margin-bottom: 16px;
}

.article-end-separator {
    text-align: center;
    margin: 16px 0;
    position: relative;
}

.article-end-separator::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--color-line);
}

.article-end-separator span {
    position: relative;
    display: inline-block;
    padding: 0 14px;
    background: var(--surface-page);
    font-size: 11px;
    font-weight: 600;
    color: var(--color-ink-4, var(--color-ink-4));
    letter-spacing: 2px;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 12px;
}

/* ===== Action Buttons Card ===== */
.post-actions-wrap {
    position: relative;
    text-align: center;
    margin-bottom: 16px;
}

/* legacy .post-actions — text/icon column buttons, not pill chips */
.post-actions-card,
.post-actions {
    position: relative;
    text-align: center;
    margin-bottom: 16px;
    padding-bottom: 15px;
    display: block;
}

.post-actions-wrap > .post-actions {
    margin-bottom: 0;
}

.post-actions-card__hint {
    font-size: 13px;
    color: var(--color-ink-4, var(--color-ink-4));
    margin-bottom: 12px;
}

/* Legacy card-buttons flex only for non-legacy card variant */
.post-actions-card__buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 12px;
}

/* legacy: .article .action { width:80px; padding:10px 0; inline-block; opacity:.7 } */
.article .action,
.post-actions .action {
    width: 80px;
    padding: 10px 0;
    display: inline-block;
    opacity: 0.7;
    vertical-align: top;
    min-width: 0;
    height: auto;
    border-radius: 0;
    border: 0;
    background: transparent;
    color: var(--muted-color, #777);
    cursor: pointer;
    font-size: 14px;
    transition: opacity 0.15s ease, color 0.15s ease;
    gap: 0;
    text-align: center;
}

.article .action:hover,
.post-actions .action:hover,
.article .action.is-active,
.post-actions .action.is-active {
    color: inherit;
    opacity: 1;
    background: transparent;
    border-color: transparent;
}

.article .action i,
.post-actions .action i {
    font-size: 20px;
    display: block;
    margin: 0 auto 4px;
    line-height: 1;
}

.post-actions .action .action-btn__count,
.post-actions .action .action-btn__label,
.action-btn__count,
.action-btn__label {
    display: block;
    font-size: 12px;
    line-height: 1.2;
    font-weight: 500;
}

/* Keep pill style for non-article .action-btn if used elsewhere */
.action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0.38em 1.1em;
    border-radius: 50px;
    border: 1px solid transparent;
    background: var(--surface-4, rgba(136, 136, 136, 0.1));
    color: var(--color-ink-3);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.15s ease;
}

.action-btn:hover {
    background: var(--color-primary-soft);
    color: var(--color-primary);
}

.action-btn.is-active {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-soft, rgba(240, 68, 148, 0.08));
}

.action-btn i { font-size: 1.2em; }

.theme-dark .post-drop-meta__menu,
html.dark .post-drop-meta__menu {
    background: var(--surface-1, #323335);
    border-color: var(--color-line);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.theme-dark .post-drop-meta__item,
html.dark .post-drop-meta__item {
    color: var(--color-ink-2, #ccc);
}

.theme-dark .post-drop-meta__item:hover,
html.dark .post-drop-meta__item:hover {
    background: rgba(255,255,255,0.06);
    color: #fff;
}

/* ===== Author Card — 对齐 legacy 卡片容器 ===== */
/* 原 .author-box 卡片规则已删除：全站仅评论区使用 .author-box（无装饰 flex 行，
   由 comments/layout.css 接管），文章作者条使用 .article-author-bar。 */

.single-metabox {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
}

.post-drop-meta {
    position: relative;
}

.post-drop-meta__menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 150px;
    padding: 8px;
    border-radius: var(--radius, 8px);
    border: 1px solid var(--color-line);
    background: var(--surface-page, #fff);
    box-shadow: var(--shadow-md, 0 8px 24px rgba(0, 0, 0, 0.12));
    display: none;
    z-index: 20;
}

.post-drop-meta.is-open .post-drop-meta__menu {
    display: grid;
    gap: 4px;
}

.article-header:has(.post-drop-meta.is-open) {
    z-index: 30;
}

.post-drop-meta__item {
    width: 100%;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: var(--color-ink-2, var(--color-ink));
    text-decoration: none;
    font-size: 13px;
    text-align: left;
    cursor: pointer;
}

.post-drop-meta__item:hover {
    background: var(--color-line, rgba(50, 50, 50, 0.06));
    color: var(--color-primary);
}

.post-drop-meta__item i {
    width: 16px;
    text-align: center;
}

/* ===== legacy single-metabox / author bar ===== */
.article-avatar .user-info {
  width: 100%;
}

.article-avatar .avatar-img {
  --this-size: 42px;
}

.article-avatar .avatar-img img,
.article-avatar .avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.article-avatar .display-name {
  font-weight: 600;
  color: var(--key-color, #333);
}

.article-header .article-avatar .single-meta-row {
  margin-top: 20px;
  position: relative;
  min-height: 28px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.article-header .article-avatar .single-meta-row > .line-form-line {
  bottom: 50%;
}

.article-header .article-avatar .single-meta-row > .single-metabox {
  position: relative;
  inset: auto;
  transform: none;
  z-index: 1;
}

.single-metabox {
  right: 0;
  font-size: 15px;
  --meta-color: var(--muted-color, #777);
}

.single-metabox .post-metas {
  background: var(--body-bg-color, #f5f5f5);
  right: 0;
  padding: 2px 6px;
  border-radius: 100px;
  color: var(--meta-color);
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
}

.single-metabox .post-metas item,
.single-metabox .post-metas .item {
  margin: 0 6px;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.single-metabox .post-drop-meta {
  position: relative;
  display: inline-block;
  --this-size: 1.73em;
  --this-color: var(--meta-color);
  --this-bg: var(--body-bg-color, #f5f5f5);
}

/* line-form-line owned by legacy-utilities.css — only context here */
.article-avatar .line-form-line {
  display: block;
}

.article-tags br { flex-basis: 100%; width: 100%; content: ""; display: block; height: 0; }
.article-tags .but.c-blue { color: #2196f3; }
.article-tags .but.c-yellow { color: #f0ad4e; }
.article-tags .but.c-green { color: #5cb85c; }
.article-tags .but.c-purple { color: #9c27b0; }
.article-tags .but.c-red { color: #f44336; }