/* ══════════════════════════════════════════
   Fonts
   ══════════════════════════════════════════ */
@font-face {
  font-display: swap;
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400;
  src: url("/assets/fonts/jetbrains-mono-v24-latin-regular.woff2")
    format("woff2");
}
@font-face {
  font-display: swap;
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 600;
  src: url("/assets/fonts/jetbrains-mono-v24-latin-600.woff2") format("woff2");
}

/* ══════════════════════════════════════════
   Theme: Dark (default)
   ══════════════════════════════════════════ */
:root,
[data-theme="dark"] {
  --doc-bg: #0a0a0a;
  --doc-surface: #111111;
  --doc-surface-alt: #181818;
  --doc-surface-hover: rgba(255, 255, 255, 0.03);
  --doc-border: #222222;
  --doc-border-hover: #333333;
  --doc-text: #f0f0f0;
  --doc-text-strong: #ffffff;
  --doc-muted: #7a7a7a;
  --doc-muted-hover: #aaaaaa;
  --doc-accent: #bf5af2;
  --doc-accent-dim: rgba(191, 90, 242, 0.1);
  --doc-accent-border: rgba(191, 90, 242, 0.2);
  --doc-accent-hover: rgba(191, 90, 242, 0.15);
  --doc-danger: #ff375f;
  --doc-danger-dim: rgba(255, 55, 95, 0.1);
  --doc-danger-border: rgba(255, 55, 95, 0.2);
  --doc-warn: #fdb827;
  --doc-warn-dim: rgba(253, 184, 39, 0.1);
  --doc-warn-border: rgba(253, 184, 39, 0.2);
  --doc-blue: #0a84ff;
  --doc-code-bg: #0d0d0d;
  --doc-blockquote-bg: rgba(48, 209, 88, 0.04);
  --doc-inline-code-bg: rgba(255, 255, 255, 0.06);
  --doc-inline-code-border: #222222;
  --doc-scrollbar-thumb: #333333;
  --doc-shadow: rgba(0, 0, 0, 0.5);
  --doc-overlay: rgba(0, 0, 0, 0.6);
  --doc-table-head-bg: #141414;
}

/* ══════════════════════════════════════════
   Theme: Light
   ══════════════════════════════════════════ */
[data-theme="light"] {
  --doc-bg: #ffffff;
  --doc-surface: #f8f8f8;
  --doc-surface-alt: #f2f2f2;
  --doc-surface-hover: rgba(0, 0, 0, 0.03);
  --doc-border: #e0e0e0;
  --doc-border-hover: #cccccc;
  --doc-text: #1a1a1a;
  --doc-text-strong: #000000;
  --doc-muted: #6e6e6e;
  --doc-muted-hover: #333333;
  --doc-accent: #7b2fbe;
  --doc-accent-dim: rgba(123, 47, 190, 0.08);
  --doc-accent-border: rgba(123, 47, 190, 0.25);
  --doc-accent-hover: rgba(123, 47, 190, 0.12);
  --doc-danger: #d63031;
  --doc-danger-dim: rgba(214, 48, 49, 0.08);
  --doc-danger-border: rgba(214, 48, 49, 0.2);
  --doc-warn: #e67e22;
  --doc-warn-dim: rgba(230, 126, 34, 0.08);
  --doc-warn-border: rgba(230, 126, 34, 0.2);
  --doc-blue: #0070f3;
  --doc-code-bg: #f5f5f5;
  --doc-blockquote-bg: rgba(36, 138, 61, 0.05);
  --doc-inline-code-bg: rgba(0, 0, 0, 0.05);
  --doc-inline-code-border: #d0d0d0;
  --doc-scrollbar-thumb: #cccccc;
  --doc-shadow: rgba(0, 0, 0, 0.12);
  --doc-overlay: rgba(0, 0, 0, 0.35);
  --doc-table-head-bg: #f0f0f0;
}

/* ══════════════════════════════════════════
   System Preference (auto when no data-theme)
   ══════════════════════════════════════════ */
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --doc-bg: #ffffff;
    --doc-surface: #f8f8f8;
    --doc-surface-alt: #f2f2f2;
    --doc-surface-hover: rgba(0, 0, 0, 0.03);
    --doc-border: #e0e0e0;
    --doc-border-hover: #cccccc;
    --doc-text: #1a1a1a;
    --doc-text-strong: #000000;
    --doc-muted: #6e6e6e;
    --doc-muted-hover: #333333;
    --doc-accent: #7b2fbe;
    --doc-accent-dim: rgba(123, 47, 190, 0.08);
    --doc-accent-border: rgba(123, 47, 190, 0.25);
    --doc-accent-hover: rgba(123, 47, 190, 0.12);
    --doc-danger: #d63031;
    --doc-danger-dim: rgba(214, 48, 49, 0.08);
    --doc-danger-border: rgba(214, 48, 49, 0.2);
    --doc-warn: #e67e22;
    --doc-warn-dim: rgba(230, 126, 34, 0.08);
    --doc-warn-border: rgba(230, 126, 34, 0.2);
    --doc-blue: #0070f3;
    --doc-code-bg: #f5f5f5;
    --doc-blockquote-bg: rgba(36, 138, 61, 0.05);
    --doc-inline-code-bg: rgba(0, 0, 0, 0.05);
    --doc-inline-code-border: #d0d0d0;
    --doc-scrollbar-thumb: #cccccc;
    --doc-shadow: rgba(0, 0, 0, 0.12);
    --doc-overlay: rgba(0, 0, 0, 0.35);
    --doc-table-head-bg: #f0f0f0;
  }
}

/* ══════════════════════════════════════════
   Wrapper
   ══════════════════════════════════════════ */
.doc-wrapper {
  display: flex;
  min-height: 100vh;
  background: var(--doc-bg);
  color: var(--doc-text);
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  font-size: 16px;
  line-height: 1.6;
  transition:
    background 0.3s ease,
    color 0.3s ease;
}
.doc-wrapper *,
.doc-wrapper *::before,
.doc-wrapper *::after {
  box-sizing: border-box;
}

/* ══════════════════════════════════════════
   Sidebar
   ══════════════════════════════════════════ */
.doc-sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: 300px;
  height: 100vh;
  background: var(--doc-surface);
  border-right: 1px solid var(--doc-border);
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 100;
  display: flex;
  flex-direction: column;
  transition:
    background 0.3s ease,
    border-color 0.3s ease,
    transform 0.3s ease;
}
.doc-sidebar::-webkit-scrollbar {
  width: 4px;
}
.doc-sidebar::-webkit-scrollbar-track {
  background: transparent;
}
.doc-sidebar::-webkit-scrollbar-thumb {
  background: var(--doc-scrollbar-thumb);
  border-radius: 4px;
}

/* ── Brand ── */
.doc-brand {
  padding: 28px 24px 20px;
  border-bottom: 1px solid var(--doc-border);
  flex-shrink: 0;
  transition: border-color 0.3s ease;
}
.doc-brand-tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--doc-accent);
  background: var(--doc-accent-dim);
  border: 1px solid var(--doc-accent-border);
  padding: 3px 10px;
  border-radius: 14px;
  display: inline-block;
  margin-bottom: 12px;
  transition:
    color 0.3s ease,
    background 0.3s ease,
    border-color 0.3s ease;
}
.doc-brand-title {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 4px;
  color: var(--doc-text-strong);
  transition: color 0.3s ease;
}
.doc-brand-sub {
  font-size: 0.75rem;
  color: var(--doc-muted);
  margin: 0;
  padding: 0;
  transition: color 0.3s ease;
}

/* ══════════════════════════════════════════
   Navigation
   ══════════════════════════════════════════ */
.doc-nav {
  flex: 1;
  padding: 16px 0;
  overflow-y: auto;
}
.doc-nav-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--doc-muted);
  padding: 0 24px 12px;
  margin: 0;
  transition: color 0.3s ease;
}
.doc-nav-header i {
  font-size: 0.75rem;
}

/* Search */
.doc-nav-search {
  position: relative;
  padding: 0 16px 12px;
  margin: 0;
}
.doc-nav-search input {
  width: 100%;
  padding: 8px 12px 8px 32px;
  background: var(--doc-bg);
  border: 1px solid var(--doc-border);
  border-radius: 8px;
  color: var(--doc-text);
  font-size: 0.75rem;
  font-family: "JetBrains Mono", monospace;
  outline: none;
  margin: 0;
  transition:
    background 0.3s ease,
    border-color 0.25s ease,
    color 0.3s ease;
}
.doc-nav-search input:focus {
  border-color: var(--doc-accent);
  box-shadow: 0 0 0 2px var(--doc-accent-dim);
}
.doc-nav-search input::placeholder {
  color: var(--doc-muted);
}
.doc-nav-search i {
  position: absolute;
  left: 28px;
  top: 13px;
  font-size: 0.7rem;
  color: var(--doc-muted);
  pointer-events: none;
}

/* Group */
.doc-nav-group {
  margin: 0 0 4px;
}
.doc-nav-group-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 24px;
  background: transparent;
  border: none;
  color: var(--doc-text);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    background 0.2s ease,
    color 0.3s ease;
}
.doc-nav-group-toggle:hover {
  background: var(--doc-surface-hover);
}
.doc-nav-group-toggle i:first-child {
  color: var(--doc-accent);
  font-size: 0.8rem;
  width: 18px;
  text-align: center;
}
.doc-nav-group-toggle span {
  flex: 1;
  text-align: left;
  text-transform: capitalize;
}
.doc-nav-count {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.55rem;
  font-style: normal;
  color: var(--doc-muted);
  background: var(--doc-inline-code-bg);
  padding: 1px 6px;
  border-radius: 8px;
  transition:
    color 0.3s ease,
    background 0.3s ease;
}
.doc-nav-arrow {
  font-size: 0.6rem;
  color: var(--doc-muted);
  transition:
    transform 0.25s ease,
    color 0.3s ease;
}
.doc-nav-group.is-collapsed .doc-nav-arrow {
  transform: rotate(-90deg);
}

/* List */
.doc-nav-list {
  list-style: none;
  padding: 0 0 4px;
  margin: 0;
}
.doc-nav-list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 24px 6px 48px;
  color: var(--doc-muted);
  text-decoration: none;
  font-size: 0.78rem;
  line-height: 1.5;
  transition: all 0.2s ease;
  border-left: 2px solid transparent;
}
.doc-nav-list a:hover {
  color: var(--doc-text);
  background: var(--doc-surface-hover);
}
.doc-nav-item.is-active a {
  color: var(--doc-accent);
  background: var(--doc-accent-dim);
  border-left-color: var(--doc-accent);
}
.doc-nav-list a i {
  font-size: 0.7rem;
  width: 16px;
  text-align: center;
  flex-shrink: 0;
}
.doc-nav-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ══════════════════════════════════════════
   Status Badges
   ══════════════════════════════════════════ */
.doc-nav-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.48rem;
  font-weight: 700;
  font-style: normal;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 1px 7px 1px 5px;
  border-radius: 4px;
  white-space: nowrap;
  vertical-align: middle;
  flex-shrink: 0;
  line-height: 1.6;
  margin-left: 6px;
  transition: all 0.25s ease;
}
.doc-nav-badge i {
  font-size: 0.5rem;
}

/* ── Draft ── */
.doc-nav-badge--draft {
  color: #f5a623;
  background: rgba(245, 166, 35, 0.1);
  border: 1px solid rgba(245, 166, 35, 0.25);
}

/* ── New ── */
.doc-nav-badge--new {
  color: #30d158;
  background: rgba(48, 209, 88, 0.1);
  border: 1px solid rgba(48, 209, 88, 0.25);
}

/* ── Updated ── */
.doc-nav-badge--updated {
  color: #0a84ff;
  background: rgba(10, 132, 255, 0.1);
  border: 1px solid rgba(10, 132, 255, 0.25);
}

/* ── Deprecated / EOL ── */
.doc-nav-badge--deprecated {
  color: #ff453a;
  background: rgba(255, 69, 58, 0.1);
  border: 1px solid rgba(255, 69, 58, 0.25);
}

/* ── Work In Progress ── */
.doc-nav-badge--wip {
  color: #bf5af2;
  background: rgba(191, 90, 242, 0.1);
  border: 1px solid rgba(191, 90, 242, 0.25);
}

/* ── Under Review ── */
.doc-nav-badge--review {
  color: #64d2ff;
  background: rgba(100, 210, 255, 0.1);
  border: 1px solid rgba(100, 210, 255, 0.25);
}

/* ── Hot ── */
.doc-nav-badge--hot {
  color: #ff6b35;
  background: rgba(255, 107, 53, 0.1);
  border: 1px solid rgba(255, 107, 53, 0.25);
}

/* ── Stable ── */
.doc-nav-badge--stable {
  color: #5e5ce6;
  background: rgba(94, 92, 230, 0.1);
  border: 1px solid rgba(94, 92, 230, 0.25);
}

/* ── Todo ── */
.doc-nav-badge--todo {
  color: #ac8e68;
  background: rgba(172, 142, 104, 0.1);
  border: 1px solid rgba(172, 142, 104, 0.25);
}
.doc-nav-badge + .doc-nav-badge {
  margin-left: 2px;
}
/* ══════════════════════════════════════════
   Sidebar Footer
   ══════════════════════════════════════════ */
.doc-sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--doc-border);
  flex-shrink: 0;
  margin: 0;
  transition: border-color 0.3s ease;
}
.doc-sidebar-footer a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--doc-muted);
  text-decoration: none;
  padding: 8px 12px;
  border: 1px solid var(--doc-border);
  border-radius: 8px;
  transition: all 0.25s ease;
  justify-content: center;
}
.doc-sidebar-footer a:hover {
  color: var(--doc-accent);
  border-color: var(--doc-accent-border);
  background: var(--doc-accent-dim);
}

/* ══════════════════════════════════════════
   Content Area
   ══════════════════════════════════════════ */
.doc-content-wrap {
  flex: 1;
  margin-left: 300px;
  min-height: 100vh;
  padding: 48px 56px 80px;
  max-width: 900px;
  background: var(--doc-bg);
  transition: background 0.3s ease, margin-left .3s ease, max-width .3s ease;
}

/* Breadcrumb */
.doc-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  color: var(--doc-muted);
  margin: 0 0 24px;
  padding: 0;
  transition: color 0.3s ease;
}
.doc-breadcrumb a {
  color: var(--doc-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}
.doc-breadcrumb a:hover {
  color: var(--doc-accent);
}
.doc-breadcrumb-sep {
  color: var(--doc-border);
  transition: color 0.3s ease;
}

/* Article Header */
.doc-article-head {
  margin: 0 0 36px;
  padding: 0 0 24px;
  border-bottom: 1px solid var(--doc-border);
  transition: border-color 0.3s ease;
}
.doc-article-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0 0 12px;
  padding: 0;
  color: var(--doc-text-strong);
  transition: color 0.3s ease;
}
.doc-article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.65rem;
  color: var(--doc-muted);
  margin: 0;
  padding: 0;
  transition: color 0.3s ease;
}
.doc-article-meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
}
.doc-article-meta-item i {
  font-size: 0.7rem;
}
.doc-author-avatar {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  object-fit: cover;
  vertical-align: middle;
  border: 1px solid var(--doc-border);
}
/* Tags */
.doc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0 0;
  padding: 0;
}
.doc-tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.6rem;
  letter-spacing: 0.04em;
  color: var(--doc-accent);
  background: var(--doc-accent-dim);
  border: 1px solid var(--doc-accent-border);
  padding: 2px 10px;
  border-radius: 12px;
  transition: all 0.3s ease;
}
.doc-tag:hover {
  background: var(--doc-accent-hover);
  border-color: var(--doc-accent);
}

/* ══════════════════════════════════════════
   Article Body (scoped under .doc-wrapper)
   All element selectors scoped to beat global style.css
   ══════════════════════════════════════════ */
.doc-wrapper .doc-article-body {
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--doc-text);
  margin: 0;
  padding: 0;
  transition: color 0.3s ease;
}

/* Headings */
.doc-wrapper .doc-article-body h1 {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 40px 0 16px;
  padding: 0;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--doc-text-strong);
  border: none;
}
.doc-wrapper .doc-article-body h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 36px 0 14px;
  padding: 0 0 8px;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--doc-text-strong);
  border: none;
  border-bottom: 1px solid var(--doc-border);
}
.doc-wrapper .doc-article-body h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 28px 0 12px;
  padding: 0;
  line-height: 1.35;
  color: var(--doc-text-strong);
  border: none;
}
.doc-wrapper .doc-article-body h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 24px 0 10px;
  padding: 0;
  line-height: 1.4;
  color: var(--doc-text-strong);
  border: none;
}

/* Paragraph */
.doc-wrapper .doc-article-body p {
  margin: 0 0 16px;
  padding: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--doc-text);
}

/* Links */
.doc-wrapper .doc-article-body a {
  color: var(--doc-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity 0.2s ease;
}
.doc-wrapper .doc-article-body a:hover {
  opacity: 0.8;
}

/* Lists */
.doc-wrapper .doc-article-body ul,
.doc-wrapper .doc-article-body ol {
  padding-left: 1.5em;
  margin: 0 0 16px;
}
.doc-wrapper .doc-article-body li {
  margin: 0 0 6px;
  padding: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--doc-text);
}
.doc-wrapper .doc-article-body li::marker {
  color: var(--doc-muted);
}

/* Blockquote */
.doc-wrapper .doc-article-body blockquote {
  margin: 20px 0;
  padding: 14px 20px;
  border: none;
  border-left: 3px solid var(--doc-accent);
  background: var(--doc-blockquote-bg);
  border-radius: 0 8px 8px 0;
  color: var(--doc-muted);
  font-size: 0.92rem;
  line-height: 1.85;
  transition:
    background 0.3s ease,
    color 0.3s ease;
}
.doc-wrapper .doc-article-body blockquote p:last-child {
  margin-bottom: 0;
}

/* Code */
.doc-wrapper .doc-article-body pre {
  background: var(--doc-code-bg);
  border: 1px solid var(--doc-border);
  border-radius: 10px;
  padding: 20px 24px;
  overflow-x: auto;
  margin: 20px 0;
  font-size: 0.82rem;
  line-height: 1.7;
  transition:
    background 0.3s ease,
    border-color 0.3s ease;
}
.doc-wrapper .doc-article-body pre::-webkit-scrollbar {
  height: 5px;
}
.doc-wrapper .doc-article-body pre::-webkit-scrollbar-track {
  background: transparent;
}
.doc-wrapper .doc-article-body pre::-webkit-scrollbar-thumb {
  background: var(--doc-scrollbar-thumb);
  border-radius: 3px;
}
.doc-wrapper .doc-article-body code {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85em;
}
.doc-wrapper .doc-article-body p code,
.doc-wrapper .doc-article-body li code,
.doc-wrapper .doc-article-body td code {
  background: var(--doc-inline-code-bg);
  border: 1px solid var(--doc-inline-code-border);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.82em;
  transition:
    background 0.3s ease,
    border-color 0.3s ease;
}

/* Image */
.doc-wrapper .doc-article-body img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 20px 0;
  border: 1px solid var(--doc-border);
  transition: border-color 0.3s ease;
}

/* Table */
.doc-wrapper .doc-article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.85rem;
  border: none;
}
.doc-wrapper .doc-article-body th,
.doc-wrapper .doc-article-body td {
  padding: 10px 14px;
  border: 1px solid var(--doc-border);
  text-align: left;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--doc-text);
  transition: border-color 0.3s ease;
}
.doc-wrapper .doc-article-body th {
  background: var(--doc-table-head-bg);
  font-weight: 600;
  color: var(--doc-text-strong);
  transition:
    background 0.3s ease,
    color 0.3s ease;
}
.doc-wrapper .doc-article-body tr:hover td {
  background: var(--doc-surface-hover);
}

/* HR */
.doc-wrapper .doc-article-body hr {
  border: none;
  border-top: 1px solid var(--doc-border);
  margin: 32px 0;
  transition: border-color 0.3s ease;
}

/* ══════════════════════════════════════════
   Prev / Next Pager
   ══════════════════════════════════════════ */
.doc-pager {
  display: flex;
  gap: 16px;
  margin: 56px 0 0;
  padding: 24px 0 0;
  border: none;
  border-top: 1px solid var(--doc-border);
  transition: border-color 0.3s ease;
}
.doc-pager-item {
  flex: 1;
  padding: 16px 20px;
  background: var(--doc-surface);
  border: 1px solid var(--doc-border);
  border-radius: 12px;
  text-decoration: none;
  color: var(--doc-text);
  transition: all 0.25s ease;
  overflow: hidden;
}
.doc-pager-item:hover {
  text-decoration: none;
  border-color: var(--doc-accent-border);
  background: var(--doc-accent-dim);
  box-shadow: 0 4px 16px var(--doc-shadow);
}
.doc-pager-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--doc-muted);
  margin: 0 0 6px;
  padding: 0;
  transition: color 0.3s ease;
}
.doc-pager-title {
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--doc-text-strong);
  margin: 0;
  padding: 0;
  transition: color 0.3s ease;
}
.doc-pager-item--next {
  text-align: right;
}

/* ══════════════════════════════════════════
   Mobile Toggle
   ══════════════════════════════════════════ */
.doc-mobile-toggle {
  display: none;
  position: fixed;
  bottom: 20px;
  left: 20px;
  width: 44px;
  height: 44px;
  background: var(--doc-surface);
  border: 1px solid var(--doc-border);
  border-radius: 50%;
  color: var(--doc-accent);
  font-size: 1.1rem;
  cursor: pointer;
  z-index: 200;
  box-shadow: 0 4px 20px var(--doc-shadow);
  transition: all 0.25s ease;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0;
}
.doc-mobile-toggle:hover {
  background: var(--doc-accent-dim);
}

/* ══════════════════════════════════════════
   Responsive
   ══════════════════════════════════════════ */
@media (max-width: 900px) {
  .doc-sidebar {
    transform: translateX(-100%);
    box-shadow: 4px 0 30px var(--doc-shadow);
  }
  .doc-sidebar.is-open {
    transform: translateX(0);
  }
  .doc-content-wrap {
    margin-left: 0;
    padding: 32px 20px 60px;
    max-width: 100%;
  }
  .doc-mobile-toggle {
    display: flex;
  }
  .doc-pager {
    flex-direction: column;
  }
  .doc-pager-item--next {
    text-align: left;
  }
}

@media (max-width: 480px) {
  .doc-content-wrap {
    padding: 24px 16px 48px;
  }
  .doc-wrapper .doc-article-title {
    font-size: 1.5rem;
  }
  .doc-article-meta {
    gap: 10px;
  }
}
/* ══════════════════════════════════════════
   Content Inner Layout (content + TOC)
   ══════════════════════════════════════════ */
.doc-content-wrap {
  padding: 48px 32px 80px 56px;
  max-width: 1100px;
}
.doc-content-inner {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}
.doc-main {
  flex: 1;
  min-width: 0;
  max-width: 740px;
  transition: max-width .3s ease;
}

/* ══════════════════════════════════════════
     Table of Contents (right sidebar)
     ══════════════════════════════════════════ */
.doc-toc {
  position: sticky;
  top: 32px;
  width: 220px;
  flex-shrink: 0;
  max-height: calc(100vh - 64px);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0;
  margin: 0;
  align-self: flex-start;
}
.doc-toc::-webkit-scrollbar {
  width: 3px;
}
.doc-toc::-webkit-scrollbar-track {
  background: transparent;
}
.doc-toc::-webkit-scrollbar-thumb {
  background: var(--doc-scrollbar-thumb);
  border-radius: 3px;
}

.doc-toc-title {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--doc-muted);
  margin: 0 0 12px;
  padding: 0 0 10px;
  border-bottom: 1px solid var(--doc-border);
  transition:
    color 0.3s ease,
    border-color 0.3s ease;
}

/* TOC list */
.doc-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-left: 2px solid var(--doc-border);
  transition: border-color 0.3s ease;
}
.doc-toc-item {
  margin: 0;
  padding: 0;
}
.doc-toc-item a {
  display: block;
  padding: 4px 0 4px 14px;
  font-size: 0.72rem;
  line-height: 1.5;
  color: var(--doc-muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  margin-left: -2px;
  transition:
    color 0.2s ease,
    border-color 0.2s ease;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.doc-toc-item a:hover {
  color: var(--doc-text);
}
/* Active state */
.doc-toc-item.is-active a {
  color: var(--doc-accent);
  border-left-color: var(--doc-accent);
}

/* Nesting levels */
.doc-toc-item.toc-h3 a {
  padding-left: 28px;
  font-size: 0.68rem;
}
.doc-toc-item.toc-h4 a {
  padding-left: 42px;
  font-size: 0.65rem;
}

/* ══════════════════════════════════════════
    Mobile TOC (bottom sheet)
    ══════════════════════════════════════════ */
.doc-toc-mobile-btn {
  display: none;
  position: fixed;
  bottom: 72px;
  right: 20px;
  width: 40px;
  height: 40px;
  background: var(--doc-surface);
  border: 1px solid var(--doc-border);
  border-radius: 50%;
  color: var(--doc-muted);
  font-size: 0.85rem;
  cursor: pointer;
  z-index: 200;
  box-shadow: 0 2px 12px var(--doc-shadow);
  transition: all 0.25s ease;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0;
}
.doc-toc-mobile-btn:hover {
  color: var(--doc-accent);
  border-color: var(--doc-accent-border);
}
.doc-toc-mobile-panel {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 300;
  background: var(--doc-surface);
  border-top: 1px solid var(--doc-border);
  box-shadow: 0 -4px 30px var(--doc-shadow);
  max-height: 55vh;
  overflow-y: auto;
  padding: 20px 24px;
  transform: translateY(100%);
  transition:
    transform 0.3s ease,
    background 0.3s ease,
    border-color 0.3s ease;
}
.doc-toc-mobile-panel.is-open {
  transform: translateY(0);
}
.doc-toc-mobile-panel .doc-toc-title {
  margin-bottom: 10px;
}
.doc-toc-mobile-panel .doc-toc-list {
  border-left-width: 2px;
}
.doc-toc-mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 250;
  background: var(--doc-overlay);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
}
.doc-toc-mobile-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

/* Responsive */
@media (max-width: 1200px) {
  .doc-toc {
    display: none;
  }
  .doc-toc-mobile-btn {
    display: flex;
  }
  .doc-toc-mobile-panel {
    display: block;
  }
  .doc-toc-mobile-overlay {
    display: block;
  }
}
@media (max-width: 900px) {
  .doc-content-wrap {
    padding: 32px 20px 60px;
    max-width: 100%;
  }
  .doc-content-inner {
    display: block;
  }
  .doc-main {
    max-width: 100%;
  }
}
@media (max-width: 480px) {
  .doc-content-wrap {
    padding: 24px 16px 48px;
  }
  .doc-toc-mobile-btn {
    bottom: 68px;
    right: 16px;
    width: 36px;
    height: 36px;
  }
}
.doc-suggestion {
  margin: 40px 0 0;
  padding: 0;
}
.doc-suggestion-divider {
  border: none;
  border-top: 1px solid var(--doc-border);
  margin: 0 0 32px;
}
.doc-suggestion-section {
  padding: 20px 0;
}
.doc-suggestion-section + .doc-suggestion-section {
  border-top: 1px solid var(--doc-border);
}
.doc-suggestion-heading {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--doc-muted);
  margin: 0 0 14px;
  padding: 0;
}
.doc-suggestion-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
}
.doc-suggestion-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--doc-muted);
  text-decoration: none;
  padding: 8px 16px;
  border: 1px solid var(--doc-border);
  border-radius: 8px;
  background: var(--doc-surface);
  transition: all 0.25s ease;
  text-decoration: none;
}
.doc-suggestion-link:hover {
  color: var(--doc-accent);
  border-color: var(--doc-accent-border);
  background: var(--doc-accent-dim);
  text-decoration: none;
}
.doc-suggestion-link i,
.doc-suggestion-link svg {
  font-size: 0.85rem;
  flex-shrink: 0;
}
.doc-suggestion-link svg {
  width: 14px;
  height: 14px;
}
.doc-suggestion-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--doc-muted);
  margin: 12px 0 0;
  padding: 0;
}
.doc-suggestion-meta a {
  color: var(--doc-accent);
  text-decoration: none;
  transition: opacity 0.2s ease;
}
.doc-suggestion-meta a:hover {
  opacity: 0.75;
}
.doc-suggestion-meta i {
  font-size: 0.75rem;
}
/* Feedback row */
.doc-suggestion-feedback {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0;
  padding: 0;
}
.doc-suggestion-feedback-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  width: 38px;
  height: 38px;
  border: 1px solid var(--doc-border);
  border-radius: 50%;
  background: var(--doc-surface);
  color: var(--doc-muted);
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s ease;
}
.doc-suggestion-feedback-btn:hover {
  color: var(--doc-accent);
  text-decoration: none;
  border-color: var(--doc-accent-border);
  background: var(--doc-accent-dim);
  transform: scale(1.08);
}
.doc-suggestion-feedback-label {
  font-size: 0.72rem;
  color: var(--doc-muted);
  margin: 0;
  padding: 0;
}
.doc-suggestion-feedback-btn:hover i.fa-heart {
  color: #ff375f;
}

.doc-honors {
  margin: 32px 0 0;
  padding: 0;
}
.doc-honors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
  margin: 16px 0 0;
  padding: 0;
}
/* ══════════════════════════════════════════
    Document _primaryindex/document.md
    ══════════════════════════════════════════ */
.doc-honor-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 20px 12px 16px;
  background: var(--doc-surface);
  border: 1px solid var(--doc-border);
  border-radius: 14px;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
}
.doc-honor-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50%;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--doc-accent),
    transparent
  );
  opacity: 0;
  transition: opacity 0.3s ease;
}
.doc-honor-card:hover {
  border-color: var(--doc-accent-border);
  background: var(--doc-accent-dim);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--doc-shadow);
}
.doc-honor-card:hover::before {
  opacity: 0.6;
}
.doc-honor-badge {
  width: 80px;
  height: 80px;
  object-fit: contain;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.15));
  transition: transform 0.3s ease;
}
.doc-honor-card:hover .doc-honor-badge {
  transform: scale(1.1) rotate(3deg);
}
.doc-honor-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--doc-muted);
  text-align: center;
  line-height: 1.4;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color 0.3s ease;
}
.doc-honor-card:hover .doc-honor-label {
  color: var(--doc-accent);
}

@media (max-width: 600px) {
  .doc-honors-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
  }
  .doc-honor-badge {
    width: 64px;
    height: 64px;
  }
  .doc-honor-card {
    padding: 16px 10px 14px;
  }
}
/* ══════════════════════════════════════════
   Code Copy Button
   ══════════════════════════════════════════ */
.doc-wrapper .doc-article-body pre {
  position: relative;
}
.doc-copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  background: var(--doc-surface-alt);
  border: 1px solid var(--doc-border);
  border-radius: 6px;
  color: var(--doc-muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  opacity: 0;
  transition: all 0.25s ease;
  z-index: 2;
}
.doc-wrapper .doc-article-body pre:hover .doc-copy-btn {
  opacity: 1;
}
.doc-copy-btn:hover {
  color: var(--doc-accent);
  border-color: var(--doc-accent-border);
  background: var(--doc-accent-dim);
}
.doc-copy-btn.is-copied {
  color: var(--doc-accent);
  border-color: var(--doc-accent-border);
  background: var(--doc-accent-dim);
  opacity: 1;
}
.doc-copy-btn i {
  font-size: 0.7rem;
}
/* ══════════════════════════════════════════
   Code Copy Button
   ══════════════════════════════════════════ */
.doc-wrapper .doc-article-body pre {
  position: relative;
}
.doc-copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  background: var(--doc-surface-alt);
  border: 1px solid var(--doc-border);
  border-radius: 6px;
  color: var(--doc-muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  opacity: 0;
  transition: all 0.25s ease;
  z-index: 2;
}
.doc-wrapper .doc-article-body pre:hover .doc-copy-btn {
  opacity: 1;
}
.doc-copy-btn:hover {
  color: var(--doc-accent);
  border-color: var(--doc-accent-border);
  background: var(--doc-accent-dim);
}
.doc-copy-btn.is-copied {
  color: var(--doc-accent);
  border-color: var(--doc-accent-border);
  background: var(--doc-accent-dim);
  opacity: 1;
}
.doc-copy-btn i {
  font-size: 0.7rem;
}
/* ══════════════════════════════════════════
   Print Styles
   ══════════════════════════════════════════ */
@media print {
  /* Hide non-content elements */
  .doc-sidebar,
  .doc-mobile-toggle,
  .doc-theme-toggle,
  .prefers-cs,
  .doc-toc,
  .doc-toc-mobile-btn,
  .doc-toc-mobile-panel,
  .doc-toc-mobile-overlay,
  .doc-pager,
  .doc-suggestion,
  .doc-suggestion-section,
  .doc-nav,
  .lb-overlay,
  .doc-copy-btn {
    display: none !important;
  }

  /* Reset wrapper */
  .doc-wrapper {
    display: block;
    background: #fff;
    color: #1a1a1a;
    font-size: 11pt;
    line-height: 1.6;
  }

  /* Content full width */
  .doc-content-wrap {
    margin: 0;
    padding: 20mm 15mm;
    max-width: 100%;
    background: #fff;
  }
  .doc-content-inner {
    display: block;
  }
  .doc-main {
    max-width: 100%;
  }

  /* Override dark theme for print */
  :root,
  [data-theme="dark"] {
    --doc-bg: #ffffff;
    --doc-surface: #ffffff;
    --doc-text: #1a1a1a;
    --doc-text-strong: #000000;
    --doc-muted: #555555;
    --doc-accent: #248a3d;
    --doc-border: #cccccc;
  }

  /* Article body */
  .doc-wrapper .doc-article-body {
    color: #1a1a1a;
    font-size: 11pt;
    line-height: 1.7;
  }
  .doc-wrapper .doc-article-body h1 {
    font-size: 20pt;
    color: #000;
    margin: 24pt 0 12pt;
    page-break-after: avoid;
  }
  .doc-wrapper .doc-article-body h2 {
    font-size: 16pt;
    color: #000;
    margin: 20pt 0 10pt;
    border-bottom: 1px solid #ccc;
    page-break-after: avoid;
  }
  .doc-wrapper .doc-article-body h3 {
    font-size: 13pt;
    color: #000;
    margin: 16pt 0 8pt;
    page-break-after: avoid;
  }
  .doc-wrapper .doc-article-body h4 {
    font-size: 11pt;
    color: #000;
    margin: 12pt 0 6pt;
    page-break-after: avoid;
  }
  .doc-wrapper .doc-article-body p {
    color: #1a1a1a;
    margin: 0 0 8pt;
    orphans: 3;
    widows: 3;
  }

  /* Links: show URL after text */
  .doc-wrapper .doc-article-body a {
    color: #248a3d;
    text-decoration: underline;
  }
  .doc-wrapper .doc-article-body a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 8pt;
    color: #666;
    word-break: break-all;
  }
  /* Don't show URL for anchors/relative links */
  .doc-wrapper .doc-article-body a:not([href^="http"])::after {
    content: "";
  }

  /* Code blocks */
  .doc-wrapper .doc-article-body pre {
    background: #f5f5f5;
    border: 1px solid #ddd;
    padding: 10pt;
    font-size: 8pt;
    line-height: 1.5;
    white-space: pre-wrap;
    word-wrap: break-word;
    page-break-inside: avoid;
  }
  .doc-wrapper .doc-article-body code {
    font-size: 9pt;
  }
  .doc-wrapper .doc-article-body p code,
  .doc-wrapper .doc-article-body li code,
  .doc-wrapper .doc-article-body td code {
    background: #f0f0f0;
    border: 1px solid #ddd;
    padding: 0 3pt;
  }

  /* Tables */
  .doc-wrapper .doc-article-body table {
    font-size: 9pt;
    page-break-inside: avoid;
  }
  .doc-wrapper .doc-article-body th,
  .doc-wrapper .doc-article-body td {
    border-color: #ccc;
    padding: 6pt 8pt;
  }
  .doc-wrapper .doc-article-body th {
    background: #f0f0f0;
    color: #000;
  }

  /* Images */
  .doc-wrapper .doc-article-body img {
    max-width: 100%;
    height: auto;
    border: 1px solid #ddd;
    page-break-inside: avoid;
  }

  /* Blockquote */
  .doc-wrapper .doc-article-body blockquote {
    border-left: 3pt solid #248a3d;
    background: #f9f9f9;
    color: #333;
    padding: 8pt 12pt;
    page-break-inside: avoid;
  }

  /* Lists */
  .doc-wrapper .doc-article-body li {
    color: #1a1a1a;
    margin-bottom: 3pt;
  }
  .doc-wrapper .doc-article-body li::marker {
    color: #333;
  }

  /* HR */
  .doc-wrapper .doc-article-body hr {
    border-top: 1px solid #ccc;
    margin: 16pt 0;
  }

  /* Breadcrumb */
  .doc-breadcrumb {
    color: #888;
    font-size: 8pt;
    margin-bottom: 12pt;
  }
  .doc-breadcrumb a {
    color: #888;
  }

  /* Article header */
  .doc-article-head {
    border-bottom-color: #ccc;
    margin-bottom: 20pt;
    padding-bottom: 12pt;
  }
  .doc-article-title {
    color: #000;
    font-size: 22pt;
  }
  .doc-article-meta {
    color: #888;
    font-size: 8pt;
  }
  .doc-tag {
    color: #248a3d;
    border-color: #ccc;
    background: #f5f5f5;
  }

  /* Page setup */
  @page {
    size: A4;
    margin: 15mm;
  }
  @page :first {
    margin-top: 20mm;
  }
}
/* ══════════════════════════════════════════
   Download Panel
   ══════════════════════════════════════════ */
.download-wrap {
  margin: 24px 0;
  padding: 0;
}
.download-column {
  padding: 0;
}
.cli-panel {
  margin: 0;
}
.download-title {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--doc-text);
  transition: color 0.3s ease;
}
.download-title hr {
  border: none;
  border-top: 1px solid var(--doc-border);
  margin: 16px 0;
}
.download-title section {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--doc-text-strong);
  margin: 12px 0 4px;
}
.download-title pointer {
  cursor: pointer;
}
details {
  margin: 0;
}
summary {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--doc-text-strong);
  padding: 8px 0;
  list-style: none;
}
summary::-webkit-details-marker {
  display: none;
}
summary::before {
  content: "";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 0.7rem;
  color: var(--doc-muted);
  margin-right: 8px;
  display: inline-block;
  transition: transform 0.2s ease;
}

/* Tab buttons */
.dl-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 16px;
  margin: 4px 6px 4px 0;
  background: var(--doc-surface);
  border: 1px solid var(--doc-border);
  border-radius: 8px;
  color: var(--doc-muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all 0.25s ease;
  font-style: normal;
}
.dl-tab-btn:hover {
  color: var(--doc-text);
  border-color: var(--doc-border-hover);
  background: var(--doc-surface-hover);
}
.dl-tab-btn.active {
  color: #ffffff;
  background: var(--doc-accent);
  border-color: var(--doc-accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}
.dl-tab-btn i {
  font-size: 0.8rem;
}

/* Cont sections */
.cont {
  margin: 0;
  padding: 0;
}
.cont .cli-panel {
  padding: 0;
}

/* Mirror note */
.dl-mirror-note {
  font-size: 0.75rem;
  color: var(--doc-muted);
  margin: 0 0 12px;
  padding: 8px 12px;
  background: var(--doc-surface-alt);
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.dl-mirror-note i {
  color: var(--doc-blue);
}

/* Counter badge */
.dl-counter {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--doc-accent);
  background: var(--doc-accent-dim);
  border: 1px solid var(--doc-accent-border);
  padding: 1px 8px;
  border-radius: 10px;
  margin-left: 8px;
}

/* Small note at bottom */
csmall {
  display: block;
  font-size: 0.72rem;
  color: var(--doc-muted);
  margin: 16px 0 0;
  padding: 10px 14px;
  background: var(--doc-surface-alt);
  border-left: 3px solid var(--doc-warn);
  border-radius: 0 6px 6px 0;
  line-height: 1.7;
}
csmall h5 {
  font-size: 0.72rem;
  font-weight: 600;
  margin: 4px 0 0;
  padding: 0;
  color: var(--doc-text);
}
csmall a {
  color: var(--doc-accent);
}

/* Code blocks inside download panel */
.download-wrap pre {
  background: var(--doc-code-bg);
  border: 1px solid var(--doc-border);
  border-radius: 8px;
  padding: 14px 18px;
  margin: 0 0 10px;
  overflow-x: auto;
  position: relative;
  font-size: 0.78rem;
  line-height: 1.7;
  transition:
    background 0.3s ease,
    border-color 0.3s ease;
}
.download-wrap pre code {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  color: var(--doc-text);
}
.token.prompt {
  color: var(--doc-accent);
  font-weight: 600;
  user-select: none;
}
.doc-breadcrumb a.is-active {
  color: var(--doc-accent);
  font-weight: 600;
}

@media print {
  .download-wrap {
    display: none;
  }
}
/* ── 侧边栏折叠把手 ── */
.doc-sidebar {
  transition: width .28s ease, min-width .28s ease,
              padding .28s ease, margin .28s ease,
              border-color .2s ease, box-shadow .2s ease;
}

.doc-sidebar.is-handle-hot {
  border-right-color: var(--doc-accent) !important;
  box-shadow: inset -1px 0 0 var(--doc-accent),
              0 0 16px rgba(191, 90, 242, .18);
}

/* 右侧把手 */
.doc-sidebar .doc-nav-handle {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 20;
}

.doc-sidebar .doc-nav-handle .doc-nav-handle-bar {
  width: 2px;
  height: 48px;
  border-radius: 2px;
  background: rgba(255, 255, 255, .12);
  transition: background .2s ease, height .2s ease, box-shadow .2s ease;
}

.doc-sidebar .doc-nav-handle:hover .doc-nav-handle-bar,
.doc-sidebar .doc-nav-handle.is-hot .doc-nav-handle-bar,
.doc-sidebar.is-handle-hot .doc-nav-handle .doc-nav-handle-bar {
  background: var(--doc-accent);
  height: 72px;
  box-shadow: 0 0 12px rgba(191, 90, 242, .6);
}

.doc-sidebar .doc-nav-handle .doc-nav-handle-icon {
  position: absolute;
  right: 2px;
  font-size: 10px;
  color: rgba(255, 255, 255, .25);
  opacity: 0;
  transition: opacity .2s ease, color .2s ease, transform .28s ease;
  pointer-events: none;
}

.doc-sidebar .doc-nav-handle:hover .doc-nav-handle-icon,
.doc-sidebar .doc-nav-handle.is-hot .doc-nav-handle-icon,
.doc-sidebar.is-handle-hot .doc-nav-handle .doc-nav-handle-icon {
  opacity: 1;
  color: var(--doc-accent);
}

/* 折叠状态 */
.doc-sidebar.is-collapsed {
  width: 0 !important;
  min-width: 0 !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
  border-right-color: transparent !important;
  overflow: visible;
}

.doc-sidebar.is-collapsed > *:not(.doc-nav-handle) {
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease;
}

.doc-sidebar.is-collapsed .doc-nav-handle {
  right: -14px;
  width: 14px;
  background: var(--doc-surface);
  border: 1px solid var(--doc-border);
  border-radius: 0 8px 8px 0;
}

.doc-sidebar.is-collapsed .doc-nav-handle .doc-nav-handle-bar {
  background: var(--doc-accent);
  height: 40px;
}

.doc-sidebar.is-collapsed .doc-nav-handle .doc-nav-handle-icon {
  opacity: 1;
  color: var(--doc-accent);
  transform: rotate(180deg);
}

.doc-wrapper.is-sidebar-collapsed .doc-content-wrap {
  margin-left: 0;
  max-width: 1400px;
  transition: margin-left .3s ease, max-width .3s ease;
}
/* 折叠后：文章区域变宽，TOC 不受影响 */
.doc-wrapper.is-sidebar-collapsed .doc-main {
  max-width: 1040px;
  transition: max-width .3s ease;
}

/* ══════════════════════════════════════════
   de5er1um PoC Visualization
   ══════════════════════════════════════════ */
   #de5er1um-viz {
    --d5-bg: #060a10;
    --d5-surface: #0c111b;
    --d5-surface2: #101825;
    --d5-line: #1c2a3e;
    --d5-accent: #00e5a0;
    --d5-accent2: #0ea5e9;
    --d5-red: #f43f5e;
    --d5-amber: #f59e0b;
    --d5-cyan: #22d3ee;
    --d5-txt: #e2e8f0;
    --d5-dim: #64748b;
    --d5-mono: 'JetBrains Mono', 'Consolas', monospace;
    --d5-sans: -apple-system, 'Segoe UI', system-ui, 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  
    font-family: var(--d5-sans);
    background: var(--d5-bg);
    color: var(--d5-txt);
    position: relative;
    overflow: hidden;
    border-radius: 14px;
  }
  
  #de5er1um-viz::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
      radial-gradient(ellipse 900px 500px at 15% 0%, rgba(0, 229, 160, .06) 0%, transparent 60%),
      radial-gradient(ellipse 700px 400px at 85% 100%, rgba(14, 165, 233, .05) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
  }
  
  #de5er1um-viz .d5-inner {
    position: relative;
    z-index: 1;
    max-width: 1180px;
    margin: 0 auto;
    padding: 24px 22px 32px;
  }
  
  /* ── Header ── */
  #de5er1um-viz .d5-header {
    margin-bottom: 20px;
    opacity: 0;
    animation: d5-fadeUp .7s ease forwards;
  }
  
  #de5er1um-viz .d5-tag {
    display: inline-block;
    font-family: var(--d5-mono);
    font-size: 11px;
    font-weight: 600;
    color: var(--d5-accent);
    background: rgba(0, 229, 160, .08);
    border: 1px solid rgba(0, 229, 160, .2);
    border-radius: 20px;
    padding: 3px 14px;
    margin-bottom: 12px;
    letter-spacing: .5px;
  }
  
  #de5er1um-viz .d5-header h1 {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -.5px;
    line-height: 1.3;
    background: linear-gradient(135deg, var(--d5-txt) 0%, var(--d5-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  
  #de5er1um-viz .d5-header p {
    color: var(--d5-dim);
    font-size: 12px;
    line-height: 1.6;
    margin-top: 8px;
    max-width: 720px;
  }
  
  #de5er1um-viz .d5-header code {
    font-family: var(--d5-mono);
    font-size: 11px;
    font-weight: 400;
    color: var(--d5-accent2);
    background: rgba(14, 165, 233, .1);
    padding: 1px 6px;
    border-radius: 4px;
  }
  
  /* ── Main Layout ── */
  #de5er1um-viz .d5-main {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 16px;
    align-items: start;
  }
  
  @media (max-width: 900px) {
    #de5er1um-viz .d5-main { grid-template-columns: 1fr; }
  }
  
  /* ── Flow (vertical) ── */
  #de5er1um-viz .d5-flow {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    opacity: 0;
    animation: d5-fadeUp .7s ease .3s forwards;
  }
  
  #de5er1um-viz .d5-node {
    position: relative;
    background: var(--d5-surface);
    border: 1px solid var(--d5-line);
    border-radius: 12px;
    padding: 12px 14px;
    opacity: .55;
    transition: opacity .4s ease, border-color .4s ease,
                box-shadow .4s ease, transform .4s ease;
  }
  
  #de5er1um-viz .d5-node .d5-n {
    font-family: var(--d5-mono);
    font-size: 10px;
    font-weight: 700;
    color: var(--d5-accent2);
    letter-spacing: .5px;
    margin-bottom: 5px;
    transition: color .4s ease;
  }
  
  #de5er1um-viz .d5-node .d5-t {
    font-size: 13px;
    font-weight: 700;
    line-height: 1.35;
    color: #f1f5f9;
    letter-spacing: .2px;
  }
  
  #de5er1um-viz .d5-node .d5-d {
    font-family: var(--d5-mono);
    font-size: 10px;
    font-weight: 400;
    color: #94a3b8;
    margin-top: 5px;
    line-height: 1.45;
    word-break: break-all;
  }
  
  #de5er1um-viz .d5-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #475569;
    font-size: 13px;
    opacity: .55;
    height: 22px;
    transform: rotate(90deg);
    transition: opacity .4s ease, color .4s ease;
  }
  
  /* 每个节点色相 */
  #de5er1um-viz .d5-node[data-id="fr-att"]     .d5-n { color: #22d3ee; }
  #de5er1um-viz .d5-node[data-id="fr-payload"] .d5-n { color: #38bdf8; }
  #de5er1um-viz .d5-node[data-id="fr-broker"]  .d5-n { color: #818cf8; }
  #de5er1um-viz .d5-node[data-id="fr-queue"]   .d5-n { color: #a78bfa; }
  #de5er1um-viz .d5-node[data-id="fr-route"]   .d5-n { color: #f472b6; }
  #de5er1um-viz .d5-node[data-id="fr-convert"] .d5-n { color: #fbbf24; }
  #de5er1um-viz .d5-node[data-id="fr-reply"]   .d5-n { color: #00e5a0; }
  
  /* 到达 / 完成状态 */
  #de5er1um-viz .d5-node.d5-live {
    opacity: 1;
    border-color: var(--d5-accent2);
    box-shadow: 0 0 0 1px var(--d5-accent2), 0 0 24px rgba(14, 165, 233, .35);
    transform: scale(1.03);
    animation: d5-arrive .6s ease;
  }
  
  #de5er1um-viz .d5-node.d5-live .d5-t { color: #ffffff; }
  #de5er1um-viz .d5-node.d5-live .d5-d { color: #cbd5e1; }
  
  #de5er1um-viz .d5-node.d5-live::after {
    content: '';
    position: absolute;
    top: -1px; left: -1px; right: -1px; bottom: -1px;
    border-radius: 12px;
    border: 1px solid var(--d5-accent2);
    animation: d5-pulse 1.5s ease infinite;
    pointer-events: none;
  }
  
  #de5er1um-viz .d5-node.d5-ok {
    opacity: 1;
    border-color: rgba(0, 229, 160, .55);
    box-shadow: 0 0 0 1px rgba(0, 229, 160, .35);
    transform: scale(1);
  }
  
  #de5er1um-viz .d5-node.d5-ok .d5-t { color: #ffffff; }
  #de5er1um-viz .d5-node.d5-ok .d5-d { color: #94a3b8; }
  
  #de5er1um-viz .d5-arrow.d5-active-arrow {
    opacity: 1;
    color: var(--d5-accent2);
  }
  
  /* ── Right column ── */
  #de5er1um-viz .d5-right {
    display: flex;
    flex-direction: column;
    gap: 14px;
    opacity: 0;
    animation: d5-fadeUp .7s ease .45s forwards;
  }
  
  #de5er1um-viz .d5-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
  }
  
  #de5er1um-viz .d5-run {
    background: linear-gradient(135deg, #00e5a0, #0ea5e9);
    color: #060a10;
    border: 0;
    padding: 10px 22px;
    border-radius: 10px;
    font-family: var(--d5-mono);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    letter-spacing: .3px;
    transition: all .25s ease;
    box-shadow: 0 4px 16px rgba(0, 229, 160, .25);
  }
  
  #de5er1um-viz .d5-run:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(0, 229, 160, .35);
  }
  
  #de5er1um-viz .d5-run:disabled {
    opacity: .4;
    cursor: not-allowed;
    transform: none;
  }
  
  #de5er1um-viz .d5-reset-btn {
    background: var(--d5-surface2);
    color: var(--d5-dim);
    border: 1px solid var(--d5-line);
    padding: 10px 16px;
    border-radius: 10px;
    font-family: var(--d5-mono);
    font-size: 11px;
    font-weight: 400;
    cursor: pointer;
    transition: all .2s ease;
  }
  
  #de5er1um-viz .d5-reset-btn:hover {
    border-color: var(--d5-dim);
    color: var(--d5-txt);
  }
  
  #de5er1um-viz .d5-status {
    font-family: var(--d5-mono);
    font-size: 11px;
    font-weight: 400;
    color: var(--d5-dim);
    background: var(--d5-surface);
    border: 1px solid var(--d5-line);
    border-radius: 20px;
    padding: 4px 14px;
    letter-spacing: .3px;
  }
  
  #de5er1um-viz .d5-card {
    background: var(--d5-surface);
    border: 1px solid var(--d5-line);
    border-radius: 14px;
    padding: 16px 18px;
  }
  
  #de5er1um-viz .d5-card h3 {
    font-family: var(--d5-mono);
    font-size: 11px;
    font-weight: 600;
    color: var(--d5-accent2);
    letter-spacing: .5px;
    margin-bottom: 10px;
    text-transform: uppercase;
  }
  
  #de5er1um-viz .d5-log {
    height: 240px;
    overflow-y: auto;
    font-family: var(--d5-mono);
    font-size: 12px;
    font-weight: 400;
    background: var(--d5-bg);
    border-radius: 10px;
    padding: 12px;
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-all;
    border: 1px solid rgba(255, 255, 255, .03);
  }
  
  #de5er1um-viz .d5-log::-webkit-scrollbar { width: 5px; }
  #de5er1um-viz .d5-log::-webkit-scrollbar-track { background: transparent; }
  #de5er1um-viz .d5-log::-webkit-scrollbar-thumb { background: var(--d5-line); border-radius: 3px; }
  
  #de5er1um-viz .d5-log .d5-l  { color: var(--d5-accent2); }
  #de5er1um-viz .d5-log .d5-g  { color: var(--d5-accent); }
  #de5er1um-viz .d5-log .d5-w  { color: var(--d5-amber); }
  #de5er1um-viz .d5-log .d5-e  { color: var(--d5-red); }
  #de5er1um-viz .d5-log .d5-c  { color: var(--d5-cyan); }
  #de5er1um-viz .d5-log .d5-hi { color: #fff; font-weight: 700; }
  
  #de5er1um-viz .d5-result-box {
    margin-top: 8px;
    background: rgba(0, 229, 160, .04);
    border: 1px solid rgba(0, 229, 160, .15);
    border-radius: 10px;
    padding: 14px;
    font-family: var(--d5-mono);
    font-size: 12px;
    font-weight: 400;
    color: var(--d5-accent);
    min-height: 70px;
    word-break: break-all;
    line-height: 1.6;
    white-space: pre-wrap;
  }
  
  #de5er1um-viz .d5-steps {
    margin-top: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }
  
  #de5er1um-viz .d5-pill {
    font-family: var(--d5-mono);
    font-size: 10px;
    font-weight: 400;
    color: var(--d5-dim);
    background: var(--d5-bg);
    border: 1px solid var(--d5-line);
    border-radius: 20px;
    padding: 3px 10px;
    transition: all .3s ease;
  }
  
  #de5er1um-viz .d5-pill.d5-pill-on {
    color: var(--d5-accent);
    border-color: rgba(0, 229, 160, .3);
    background: rgba(0, 229, 160, .06);
  }
  
  /* ── Animations ── */
  @keyframes d5-fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  
  @keyframes d5-arrive {
    0%   { transform: scale(1.03); box-shadow: 0 0 0 0 rgba(14, 165, 233, .6); }
    60%  { box-shadow: 0 0 0 10px rgba(14, 165, 233, 0); }
    100% { box-shadow: 0 0 0 1px var(--d5-accent2), 0 0 24px rgba(14, 165, 233, .35); }
  }
  
  @keyframes d5-pulse {
    0%, 100% { opacity: .3; }
    50%      { opacity: 1; }
  }