/* ==========================================================================
   KEditor 官网 · 文档页样式（快速上手 / API 参考）
   ========================================================================== */

/* ------------------------------------------------------------- 页面头部 -- */

.doc-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(38px, 5vw, 58px);
  color: var(--on-dark);
  background: var(--dark);
}

.doc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(500px 240px at 12% 0%, rgba(7, 193, 96, 0.26), transparent 70%),
    radial-gradient(520px 260px at 88% 100%, rgba(24, 168, 118, 0.18), transparent 72%);
  pointer-events: none;
}

.doc-hero__inner { position: relative; }

.doc-hero h1 {
  font-size: clamp(27px, 3.6vw, 40px);
  color: #fff;
  letter-spacing: -0.025em;
}

.doc-hero p {
  max-width: 66ch;
  margin-top: 14px;
  font-size: clamp(14.5px, 1.7vw, 16.5px);
  line-height: 1.8;
  color: var(--on-dark-muted);
}

.doc-hero__crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-size: 13.5px;
  color: var(--on-dark-dim);
}

.doc-hero__crumbs a { color: var(--on-dark-muted); }
.doc-hero__crumbs a:hover { color: #7ce8ac; }

/* --------------------------------------------------------------- 布局 -- */

.docs-layout {
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
  padding-block: clamp(32px, 4vw, 52px) clamp(60px, 8vw, 96px);
}

.docs-layout--with-outline {
  grid-template-columns: 236px minmax(0, 1fr) 186px;
}

/* ------------------------------------------------------------- 侧边栏 -- */

.doc-aside {
  position: sticky;
  top: calc(var(--header-h) + 20px);
  max-height: calc(100dvh - var(--header-h) - 44px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 6px;
  font-size: 14.5px;
}

.doc-aside::-webkit-scrollbar { width: 6px; }
.doc-aside::-webkit-scrollbar-thumb {
  background: var(--line-2);
  border-radius: 3px;
}

.doc-nav__group + .doc-nav__group { margin-top: 26px; }

.doc-nav__title {
  margin-bottom: 10px;
  padding-inline: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-2);
}

.doc-nav ul { list-style: none; display: grid; gap: 2px; }

.doc-nav a {
  display: block;
  padding: 7px 10px;
  color: var(--muted);
  border-left: 2px solid transparent;
  border-radius: 0 7px 7px 0;
  transition: color 0.16s var(--ease), background-color 0.16s var(--ease),
    border-color 0.16s var(--ease);
}

.doc-nav a:hover {
  color: var(--ink);
  background: var(--surface-2);
}

.doc-nav a.is-active {
  color: var(--brand-strong);
  font-weight: 600;
  background: var(--brand-soft);
  border-left-color: var(--brand);
}

/* 移动端：把侧栏换成可折叠的横向滚动条 */
.doc-aside__mobile {
  display: none;
  position: sticky;
  top: var(--header-h);
  z-index: 30;
  margin-inline: calc(var(--gutter) * -1);
  padding: 10px var(--gutter);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
}

.doc-aside__mobile::-webkit-scrollbar { height: 0; }

.doc-aside__mobile a {
  display: inline-block;
  margin-right: 6px;
  padding: 6px 12px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--muted);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.doc-aside__mobile a.is-active {
  color: #fff;
  background: var(--brand);
  border-color: var(--brand);
}

/* --------------------------------------------------------- 右侧大纲 -- */

.doc-outline {
  position: sticky;
  top: calc(var(--header-h) + 20px);
  max-height: calc(100dvh - var(--header-h) - 44px);
  overflow-y: auto;
  font-size: 13.5px;
}

.doc-outline__title {
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-2);
}

.doc-outline ul { list-style: none; display: grid; gap: 1px; }

.doc-outline a {
  display: block;
  padding: 5px 10px;
  color: var(--muted);
  border-left: 2px solid var(--line);
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.doc-outline a:hover { color: var(--ink); }

.doc-outline a.is-active {
  color: var(--brand-strong);
  font-weight: 600;
  border-left-color: var(--brand);
}

.doc-outline .lvl-3 a { padding-left: 22px; font-size: 13px; }

/* ------------------------------------------------------------ 正文排版 -- */

.doc-body {
  max-width: 780px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text);
}

.doc-body > *:first-child { margin-top: 0; }

.doc-body h2 {
  margin: 52px 0 18px;
  padding-bottom: 12px;
  font-size: clamp(21px, 2.4vw, 26px);
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.doc-body > h2:first-of-type { margin-top: 0; }

.doc-body h3 {
  margin: 34px 0 14px;
  font-size: 18.5px;
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.doc-body h4 {
  margin: 24px 0 10px;
  font-size: 16px;
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.doc-body p { margin: 14px 0; }

.doc-body ul,
.doc-body ol {
  margin: 14px 0;
  padding-left: 24px;
  display: grid;
  gap: 8px;
}

.doc-body ul { list-style: none; padding-left: 4px; }

.doc-body ul > li {
  position: relative;
  padding-left: 20px;
}

.doc-body ul > li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
  opacity: 0.65;
}

.doc-body ol { list-style: decimal; }
.doc-body ol > li::marker { color: var(--brand-strong); font-weight: 700; }

.doc-body li > ul,
.doc-body li > ol { margin: 8px 0 0; }

.doc-body a {
  font-weight: 500;
  border-bottom: 1px solid var(--brand-line);
}

.doc-body a:hover { border-bottom-color: var(--brand); }

.doc-body p code,
.doc-body li code,
.doc-body h3 code,
.doc-body h4 code {
  padding: 2px 6px;
  font-size: 0.87em;
  color: #0a5c33;
  background: var(--brand-soft);
  border: 1px solid var(--brand-line);
  border-radius: 5px;
  /* 正文里的长 token（如 ke-tok-{kw,str,...}）必须能断行，
     否则会把整页撑出横向滚动条 */
  overflow-wrap: anywhere;
}

/* 表格单元格里的 code 反而要保持不断行：一行断成 onCh/ange 很难看。
   放不下时让 .table-wrap 自己去滚，这才是表格该有的响应式行为。 */
.doc-body td code,
.doc-body th code {
  padding: 2px 6px;
  font-size: 0.87em;
  color: #0a5c33;
  background: var(--brand-soft);
  border: 1px solid var(--brand-line);
  border-radius: 5px;
  white-space: nowrap;
}

.doc-body strong { color: var(--ink); font-weight: 700; }

.doc-body hr {
  margin: 40px 0;
  border: 0;
  border-top: 1px solid var(--line);
}

.doc-body blockquote {
  margin: 20px 0;
  padding: 14px 20px;
  color: var(--muted);
  background: var(--surface-2);
  border-left: 3px solid var(--brand);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.doc-body blockquote p { margin: 6px 0; }

.doc-body img {
  margin: 20px 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

/* 代码块（文档内浅色底 + 标题栏） */
.doc-body .code-block { margin: 18px 0; }

.doc-body .table-wrap { margin: 18px 0; }

/* 提示块 */
.callout {
  display: flex;
  gap: 12px;
  margin: 20px 0;
  padding: 14px 18px;
  font-size: 14.5px;
  line-height: 1.8;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface-2);
}

.callout__icon { flex: none; width: 20px; height: 20px; margin-top: 3px; }
.callout p { margin: 0; }
.callout p + p { margin-top: 8px; }

.callout--tip {
  color: #0a5c33;
  background: var(--brand-soft);
  border-color: var(--brand-line);
}
.callout--tip .callout__icon { color: var(--brand-strong); }
.callout--tip code {
  background: rgba(255, 255, 255, 0.72) !important;
  border-color: var(--brand-line) !important;
  color: #0a5c33 !important;
}

.callout--warn {
  color: #8a5300;
  background: #fff8ec;
  border-color: #ffe0ad;
}
.callout--warn .callout__icon { color: #d1830b; }

.callout--danger {
  color: #a01b1b;
  background: #fff2f2;
  border-color: #ffd4d4;
}
.callout--danger .callout__icon { color: #d33; }

/* 步骤条 */
.steps {
  display: grid;
  gap: 22px;
  margin: 22px 0;
  counter-reset: step;
  list-style: none;
  padding: 0;
}

.steps > li {
  position: relative;
  padding-left: 44px;
  counter-increment: step;
}

.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-size: 13.5px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  border-radius: 50%;
  box-shadow: 0 3px 10px rgba(7, 193, 96, 0.3);
}

.steps > li > strong { display: block; margin-bottom: 4px; color: var(--ink); }
.steps > li > p { margin: 4px 0; color: var(--muted); }

/* 卡片网格（文档内） */
.doc-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(228px, 1fr));
  gap: 14px;
  margin: 22px 0;
}

.doc-card {
  display: block;
  padding: 18px 20px;
  color: inherit;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease),
    box-shadow 0.2s var(--ease);
}

.doc-card:hover {
  transform: translateY(-3px);
  border-color: var(--brand-line);
  box-shadow: var(--shadow);
  color: inherit;
}

.doc-card h4 {
  margin: 0 0 6px;
  font-size: 15.5px;
  color: var(--brand-strong);
}

.doc-card p {
  margin: 0;
  font-size: 13.8px;
  line-height: 1.7;
  color: var(--muted);
}

/* 属性行（键值对表） */
.kv {
  display: grid;
  gap: 1px;
  margin: 18px 0;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.kv__row {
  display: grid;
  grid-template-columns: minmax(140px, 200px) minmax(0, 1fr);
  gap: 16px;
  padding: 12px 18px;
  font-size: 14.3px;
  background: var(--surface);
}

.kv__key {
  font-family: var(--font-mono);
  font-size: 13.2px;
  font-weight: 600;
  color: var(--brand-strong);
  overflow-wrap: anywhere;
}

.kv__val { color: var(--muted); line-height: 1.7; }
.kv__val code {
  padding: 1.5px 5px;
  font-size: 0.88em;
  color: #0a5c33;
  background: var(--brand-soft);
  border-radius: 4px;
}

/* 上/下一页 */
.doc-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 56px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.doc-pager a {
  display: block;
  padding: 16px 18px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease),
    box-shadow 0.2s var(--ease);
}

.doc-pager a:hover {
  transform: translateY(-3px);
  border-color: var(--brand-line);
  box-shadow: var(--shadow);
  color: var(--ink);
}

.doc-pager__dir {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--muted-2);
}

.doc-pager__name {
  display: block;
  margin-top: 5px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--brand-strong);
}

.doc-pager__next { text-align: right; }

/* -------------------------------------------------------------- 响应式 -- */

@media (max-width: 1080px) {
  .docs-layout,
  .docs-layout--with-outline { grid-template-columns: 210px minmax(0, 1fr); }
  .doc-outline { display: none; }
}

@media (max-width: 860px) {
  .docs-layout,
  .docs-layout--with-outline {
    grid-template-columns: minmax(0, 1fr);
    padding-top: 0;
  }
  .doc-aside { display: none; }
  .doc-aside__mobile { display: block; }
  .doc-body { max-width: none; }
  .doc-body h2 { margin-top: 42px; }
  .kv__row { grid-template-columns: 1fr; gap: 6px; }
  .doc-pager { grid-template-columns: 1fr; }
  .doc-pager__next { text-align: left; }
}

@media (max-width: 560px) {
  .steps > li { padding-left: 38px; }
  .steps > li::before { width: 26px; height: 26px; }
  .doc-body { font-size: 15px; }
}