/**
 * 教程页 — 21st 文档站布局（顶栏 + 固定侧栏 + 正文 + TOC）
 * @author Telegram @okgeceo
 */

.ok-tutorial-site {
  --ok-doc-sidebar-w: 16.25rem;
  --ok-doc-toc-w: 13.75rem;
}

/* ========== 教程工具条（侧栏开关 + 搜索，位于全站顶栏下方） ========== */
.ok-doc-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  max-width: 48rem;
  margin: 0 auto;
  padding: var(--space-3) var(--space-6) 0;
  box-sizing: border-box;
}

.ok-doc-toolbar__menu {
  display: none;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid color-mix(in oklch, var(--border) 70%, transparent);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--foreground);
  cursor: pointer;
}

.ok-doc-toolbar__menu:hover {
  background: color-mix(in oklch, var(--muted) 45%, transparent);
}

.ok-doc-toolbar .ok-tutorial-search {
  flex: 1;
  min-width: 0;
}

.ok-tutorial-search {
  display: flex;
  align-items: stretch;
  gap: var(--space-2);
}

.ok-tutorial-search__field {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0 var(--space-3);
  min-height: 2.25rem;
  border: 1px solid color-mix(in oklch, var(--border) 75%, transparent);
  border-radius: var(--radius-full);
  background: color-mix(in oklch, var(--muted) 28%, transparent);
  color: var(--muted-foreground);
}

.ok-tutorial-search__input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  font-size: var(--text-sm);
  color: var(--foreground);
  outline: none;
}

.ok-tutorial-search__input::placeholder {
  color: var(--muted-foreground);
}

.ok-tutorial-search__submit {
  flex-shrink: 0;
  padding: 0 var(--space-4);
  border: 1px solid color-mix(in oklch, var(--border) 75%, transparent);
  border-radius: var(--radius-full);
  background: var(--background);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--foreground);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-out);
}

.ok-tutorial-search__submit:hover {
  background: color-mix(in oklch, var(--muted) 45%, transparent);
}

.ok-tutorial-search--compact .ok-tutorial-search__submit {
  display: none;
}

/* ========== 文档壳 ========== */
.ok-doc-sidebar-backdrop {
  position: fixed;
  inset: 0;
  z-index: 110;
  background: color-mix(in oklch, #000 45%, transparent);
}

.ok-doc-sidebar-backdrop[hidden] {
  display: none;
}

.ok-doc-shell {
  display: flex;
  align-items: stretch;
  width: 100%;
  min-height: calc(100vh - var(--header-h, 3.75rem));
}

/* ========== 左侧导航 ========== */
.ok-doc-sidebar {
  flex-shrink: 0;
  width: var(--ok-doc-sidebar-w);
  border-right: 1px solid color-mix(in oklch, var(--border) 55%, transparent);
  background: color-mix(in oklch, var(--muted) 18%, var(--background));
}

.ok-doc-sidebar__scroll {
  position: sticky;
  top: var(--header-h, 3.75rem);
  max-height: calc(100vh - var(--header-h, 3.75rem));
  overflow-y: auto;
  padding: var(--space-4) var(--space-3);
  box-sizing: border-box;
}

.ok-doc-sidebar__overview {
  padding: 0 var(--space-1);
}

.ok-doc-sidebar__home {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.45;
  color: var(--muted-foreground);
  text-decoration: none;
  transition: background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}

.ok-doc-sidebar__home .ok-icon {
  flex-shrink: 0;
  color: var(--muted-foreground);
  transition: color var(--duration-fast) var(--ease-out);
}

.ok-doc-sidebar__home:hover {
  color: var(--foreground);
  background: color-mix(in oklch, var(--muted) 38%, transparent);
}

.ok-doc-sidebar__home:hover .ok-icon {
  color: var(--foreground);
}

.ok-doc-sidebar__home.is-active {
  color: var(--foreground);
  background: color-mix(in oklch, var(--muted) 48%, transparent);
}

.ok-doc-sidebar__home.is-active .ok-icon {
  color: var(--foreground);
}

.ok-doc-sidebar__divider {
  height: 1px;
  margin: var(--space-3) var(--space-2) var(--space-4);
  background: color-mix(in oklch, var(--border) 70%, transparent);
}

.ok-doc-sidebar__group {
  margin-bottom: var(--space-2);
}

.ok-doc-sidebar__group-head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: 0.35rem var(--space-2);
  margin-bottom: 0;
  border: 0;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--foreground);
  text-align: left;
  background: transparent;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-out);
}

.ok-doc-sidebar__group-head:hover {
  background: color-mix(in oklch, var(--muted) 35%, transparent);
}

.ok-doc-sidebar__group-head.is-active {
  background: color-mix(in oklch, var(--muted) 45%, transparent);
}

.ok-doc-sidebar__chevron {
  display: inline-flex;
  flex-shrink: 0;
  color: var(--muted-foreground);
  transition: transform var(--duration-fast) var(--ease-out);
}

.ok-doc-sidebar__group.is-expanded .ok-doc-sidebar__chevron {
  transform: rotate(90deg);
}

.ok-doc-sidebar__group-title {
  flex: 1;
  min-width: 0;
}

.ok-doc-sidebar__group-count {
  flex-shrink: 0;
  min-width: 1.25rem;
  padding: 0 0.35rem;
  border-radius: var(--radius-full);
  font-size: 0.6875rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--muted-foreground);
  background: color-mix(in oklch, var(--muted) 55%, transparent);
}

.ok-doc-sidebar__group:not(.is-expanded) .ok-doc-sidebar__topics {
  display: none;
}

.ok-doc-sidebar__group.is-expanded .ok-doc-sidebar__topics {
  display: flex;
  margin-top: var(--space-1);
}

.ok-doc-sidebar__item--nested {
  padding-left: calc(var(--space-2) + 1.5rem);
  font-size: 0.8125rem;
}

.ok-doc-topics__section {
  margin-bottom: var(--space-4);
  border: 1px solid color-mix(in oklch, var(--border) 80%, transparent);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: color-mix(in oklch, var(--card) 92%, transparent);
}

.ok-doc-topics__section-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-4);
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-out);
}

.ok-doc-topics__section-toggle:hover {
  background: color-mix(in oklch, var(--muted) 30%, transparent);
}

.ok-doc-topics__chevron {
  display: inline-flex;
  flex-shrink: 0;
  color: var(--muted-foreground);
  transition: transform var(--duration-fast) var(--ease-out);
}

.ok-doc-topics__section.is-expanded .ok-doc-topics__chevron {
  transform: rotate(90deg);
}

.ok-doc-topics__section-meta {
  flex: 1;
  min-width: 0;
}

.ok-doc-topics__section-count {
  flex-shrink: 0;
  font-size: var(--text-xs);
  color: var(--muted-foreground);
}

.ok-doc-topics__section-body {
  padding: 0 var(--space-4) var(--space-4);
}

.ok-doc-topics__section-body[hidden] {
  display: none;
}

.ok-doc-topics__section-head {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.ok-doc-topics__section-title {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: 600;
}

.ok-doc-topics__section-desc {
  margin: var(--space-1) 0 0;
  font-size: var(--text-sm);
  color: var(--muted-foreground);
}

.ok-doc-page-head__row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.ok-doc-sidebar__group-label {
  margin: 0 0 var(--space-2);
  padding: 0 var(--space-3);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted-foreground);
}

.ok-doc-sidebar__topics {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.ok-doc-sidebar__item {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: 0.42rem var(--space-2) 0.42rem calc(var(--space-2) + 3px);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: var(--text-sm);
  line-height: 1.45;
  color: var(--muted-foreground);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out);
}

.ok-doc-sidebar__item .ok-tutorial-icon {
  margin-top: 0.1rem;
}

.ok-doc-sidebar__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35rem;
  bottom: 0.35rem;
  width: 2px;
  border-radius: var(--radius-full);
  background: transparent;
  transition: background var(--duration-fast) var(--ease-out);
}

.ok-doc-sidebar__item-text {
  flex: 1;
  min-width: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}

.ok-doc-sidebar__item:hover {
  color: var(--foreground);
  background: color-mix(in oklch, var(--muted) 30%, transparent);
}

.ok-doc-sidebar__item.is-active {
  color: var(--foreground);
  font-weight: 500;
  background: color-mix(in oklch, var(--muted) 22%, transparent);
}

.ok-doc-sidebar__item.is-active::before {
  background: var(--foreground);
}

/* ========== 正文区 ========== */
.ok-doc-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 0;
  box-sizing: border-box;
}

.ok-doc-main__inner {
  width: 100%;
  max-width: 48rem;
  margin: 0 auto;
  padding: var(--space-8) var(--space-6);
  box-sizing: border-box;
}

.ok-doc-page-head {
  margin-bottom: var(--space-8);
}

.ok-doc-page-head--compact {
  margin-bottom: var(--space-6);
}

.ok-doc-page-head__eyebrow {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted-foreground);
}

.ok-doc-page-head__title {
  margin: 0 0 var(--space-3);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.ok-doc-page-head__lead {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--muted-foreground);
}

.ok-doc-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
  color: var(--muted-foreground);
}

.ok-doc-breadcrumb a {
  color: var(--foreground);
  font-weight: 500;
  text-decoration: none;
}

.ok-doc-breadcrumb a:hover {
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ========== 文章页 ========== */
.ok-doc-article__head {
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid color-mix(in oklch, var(--border) 55%, transparent);
}

.ok-doc-article__title {
  margin: 0 0 var(--space-3);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.ok-doc-article__lead {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--muted-foreground);
}

/* ========== 正文 prose ========== */
.ok-tutorial-page__body,
.ok-doc-article__body .ok-tutorial-page__body {
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--foreground);
}

.ok-tutorial-page__body p {
  margin: 0 0 var(--space-4);
}

.ok-tutorial-page__body h2,
.ok-tutorial-page__body h3,
.ok-tutorial-page__body h4 {
  margin: var(--space-8) 0 var(--space-3);
  line-height: 1.35;
  scroll-margin-top: calc(var(--header-h, 3.75rem) + var(--space-4));
}

.ok-tutorial-page__body h2 {
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  padding-bottom: var(--space-2);
  border-bottom: 1px solid color-mix(in oklch, var(--border) 50%, transparent);
}

.ok-tutorial-page__body h3 {
  font-size: var(--text-lg);
  font-weight: 600;
}

.ok-tutorial-page__body img {
  max-width: 100%;
  border-radius: var(--radius-lg);
}

.ok-tutorial-page__body ul,
.ok-tutorial-page__body ol {
  margin: 0 0 var(--space-4);
  padding-left: 1.35rem;
}

.ok-tutorial-page__body hr {
  margin: var(--space-8) 0;
  border: 0;
  border-top: 1px solid color-mix(in oklch, var(--border) 55%, transparent);
}

.ok-tutorial-page__body video,
.ok-tutorial-page__body iframe {
  display: block;
  width: 100%;
  max-width: 100%;
  margin: var(--space-6) 0;
  border: 0;
  border-radius: var(--radius-lg);
  aspect-ratio: 16 / 9;
  background: color-mix(in oklch, var(--foreground) 6%, transparent);
}

.ok-tutorial-page__body video {
  aspect-ratio: auto;
  max-height: min(70vh, 480px);
}

.ok-tutorial-page__body table {
  width: 100%;
  margin: var(--space-6) 0;
  border-collapse: collapse;
  font-size: var(--text-sm);
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in oklch, var(--border) 70%, transparent);
}

.ok-tutorial-page__body th,
.ok-tutorial-page__body td {
  padding: var(--space-2) var(--space-3);
  border: 1px solid color-mix(in oklch, var(--border) 55%, transparent);
  text-align: left;
  vertical-align: top;
}

.ok-tutorial-page__body th {
  background: color-mix(in oklch, var(--muted) 65%, transparent);
  font-weight: 600;
}

.ok-tutorial-page__body ul[data-type="taskList"],
.ok-tutorial-page__body .task-list-node {
  list-style: none;
  padding-left: 0;
}

.ok-tutorial-page__body li[data-type="taskItem"] {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.ok-tutorial-page__cover {
  margin: 0 0 var(--space-6);
}

.ok-tutorial-page__cover img {
  width: 100%;
  border-radius: var(--radius-xl);
  border: 1px solid color-mix(in oklch, var(--border) 65%, transparent);
}

.ok-tutorial-page__video {
  margin-top: var(--space-6);
}

.ok-tutorial-page__player {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid color-mix(in oklch, var(--border) 65%, transparent);
  background: #000;
}

.ok-tutorial-page__video-note {
  margin: var(--space-2) 0 0;
  font-size: var(--text-xs);
  color: var(--muted-foreground);
}

.ok-tutorial-page__video-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--foreground);
  text-decoration: none;
}

.ok-tutorial-page__video-link:hover {
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ========== 右侧 TOC ========== */
.ok-doc-toc {
  flex-shrink: 0;
  width: var(--ok-doc-toc-w);
  border-left: 1px solid color-mix(in oklch, var(--border) 45%, transparent);
}

.ok-doc-toc[hidden] {
  display: none;
}

.ok-doc-toc__label {
  position: sticky;
  top: var(--header-h, 3.75rem);
  margin: 0;
  padding: var(--space-8) var(--space-5) var(--space-3);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  background: var(--background);
}

.ok-doc-toc__nav {
  position: sticky;
  top: calc(var(--header-h, 3.75rem) + 2.5rem);
  max-height: calc(100vh - var(--header-h, 3.75rem) - 3rem);
  overflow-y: auto;
  padding: 0 var(--space-5) var(--space-8) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ok-doc-toc__link {
  display: block;
  padding: 0.25rem 0 0.25rem var(--space-3);
  border-left: 2px solid transparent;
  font-size: var(--text-xs);
  line-height: 1.45;
  color: var(--muted-foreground);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}

.ok-doc-toc__link:hover,
.ok-doc-toc__link.is-active {
  color: var(--foreground);
  border-left-color: var(--foreground);
}

/* ========== 移动端 TOC ========== */
.ok-doc-toc-mobile {
  display: none;
  margin-bottom: var(--space-5);
  border: 1px solid color-mix(in oklch, var(--border) 65%, transparent);
  border-radius: var(--radius-lg);
  background: color-mix(in oklch, var(--muted) 22%, transparent);
}

.ok-doc-toc-mobile__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  list-style: none;
}

.ok-doc-toc-mobile__summary::-webkit-details-marker {
  display: none;
}

.ok-doc-toc-mobile[open] .ok-doc-toc-mobile__summary .ok-icon {
  transform: rotate(90deg);
}

.ok-doc-toc-mobile__nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 var(--space-4) var(--space-3);
}

.ok-doc-toc-mobile__nav .ok-doc-toc__link {
  padding-left: var(--space-2);
}

/* ========== 首页主题卡片 ========== */
.ok-doc-topics__title {
  margin: 0 0 var(--space-5);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.ok-doc-topics__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: var(--space-4);
}

.ok-doc-topic-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  height: 100%;
  padding: var(--space-4);
  border: 1px solid color-mix(in oklch, var(--border) 68%, transparent);
  border-radius: var(--radius-xl);
  background: var(--background);
  color: inherit;
  text-decoration: none;
  transition: border-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}

.ok-doc-topic-card:hover {
  border-color: color-mix(in oklch, var(--foreground) 18%, var(--border));
  box-shadow: 0 1px 3px color-mix(in oklch, #000 6%, transparent);
}

.ok-doc-topic-card__body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.ok-doc-topic-card__title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--foreground);
}

.ok-doc-topic-card__desc {
  font-size: var(--text-xs);
  line-height: 1.55;
  color: var(--muted-foreground);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ========== 分类图标 ========== */
.ok-tutorial-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  background: var(--ok-tutorial-icon-bg, var(--primary));
  color: #fff;
  line-height: 1;
}

.ok-tutorial-icon i {
  display: block;
  line-height: 1;
  color: inherit;
  font-style: normal;
}

.ok-tutorial-icon__img {
  display: block;
  width: 62%;
  height: 62%;
  object-fit: contain;
}

.ok-tutorial-icon .fa-brands,
.ok-tutorial-icon .fa-solid,
.ok-tutorial-icon .fab,
.ok-tutorial-icon .fas {
  color: inherit;
}

.ok-tutorial-icon--xs {
  width: 1.375rem;
  height: 1.375rem;
  font-size: 0.75rem;
  border-radius: var(--radius-sm);
}

.ok-tutorial-icon--sm {
  width: 2.25rem;
  height: 2.25rem;
  font-size: 1.05rem;
}

/* ========== 上下篇 ========== */
.ok-doc-pagination {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid color-mix(in oklch, var(--border) 55%, transparent);
}

.ok-doc-pagination__placeholder {
  display: block;
}

.ok-doc-pagination__link {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4);
  border: 1px solid color-mix(in oklch, var(--border) 65%, transparent);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: background var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}

.ok-doc-pagination__link:hover {
  background: color-mix(in oklch, var(--muted) 35%, transparent);
  border-color: color-mix(in oklch, var(--foreground) 15%, var(--border));
}

.ok-doc-pagination__link--next {
  text-align: right;
  grid-column: 2;
}

.ok-doc-pagination__label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--muted-foreground);
}

.ok-doc-pagination__title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--foreground);
}

/* ========== 搜索 ========== */
.ok-doc-search-summary {
  margin: 0 0 var(--space-5);
  font-size: var(--text-sm);
  color: var(--muted-foreground);
}

.ok-doc-search-empty {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--muted-foreground);
}

/* ========== 观看统计 ========== */
.ok-tutorial-stats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  padding: var(--space-4);
  border: 1px solid color-mix(in oklch, var(--border) 68%, transparent);
  border-radius: var(--radius-xl);
  background: color-mix(in oklch, var(--muted) 20%, var(--background));
}

.ok-tutorial-stats__label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--foreground);
}

.ok-tutorial-stats__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.ok-tutorial-stats__tag {
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.ok-tutorial-stats__tag--today {
  background: color-mix(in oklch, #fbbf24 25%, transparent);
  color: #b45309;
}

.ok-tutorial-stats__tag--yesterday {
  background: color-mix(in oklch, #fb923c 22%, transparent);
  color: #c2410c;
}

.ok-tutorial-stats__tag--month {
  background: color-mix(in oklch, #34d399 22%, transparent);
  color: #047857;
}

.ok-tutorial-stats__tag--total {
  background: color-mix(in oklch, var(--muted) 55%, transparent);
  color: var(--muted-foreground);
}

.ok-tutorial-stats--compact {
  margin: var(--space-4) 0 0;
  padding: var(--space-3) 0 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  border-top: 1px solid color-mix(in oklch, var(--border) 50%, transparent);
}

.ok-tutorial-stats--compact .ok-tutorial-stats__label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--muted-foreground);
}

.ok-tutorial-stats--compact .ok-tutorial-stats__tag {
  padding: 0.15rem 0.5rem;
  font-size: 0.6875rem;
}

/* ========== 响应式 ========== */
@media (max-width: 1279px) {
  .ok-doc-toc {
    display: none !important;
  }

  .ok-doc-toc-mobile:not([hidden]) {
    display: block;
  }
}

@media (max-width: 1023px) {
  .ok-doc-toolbar__menu {
    display: inline-flex;
  }

  .ok-doc-toolbar {
    max-width: none;
    padding: var(--space-3) var(--space-4) 0;
  }

  .ok-doc-sidebar {
    position: fixed;
    top: var(--header-h, 3.75rem);
    left: 0;
    bottom: 0;
    z-index: 115;
    width: min(var(--ok-doc-sidebar-w), 85vw);
    transform: translateX(-100%);
    transition: transform 220ms var(--ease-out);
    box-shadow: var(--shadow-lg, 0 16px 48px rgba(0, 0, 0, 0.15));
  }

  .ok-doc-sidebar.is-open {
    transform: translateX(0);
  }

  .ok-doc-sidebar__scroll {
    position: static;
    max-height: none;
    height: 100%;
  }

  .ok-doc-main__inner {
    padding: var(--space-6) var(--space-4);
  }

  body.ok-doc-sidebar-open {
    overflow: hidden;
  }
}

@media (max-width: 640px) {
  .ok-doc-topics__grid {
    grid-template-columns: 1fr;
  }

  .ok-doc-pagination {
    grid-template-columns: 1fr;
  }

  .ok-doc-pagination__link--next {
    grid-column: 1;
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ok-doc-sidebar {
    transition: none;
  }
}