:root {
  --bg: #0a1030;
  --paper: #121a4a;
  --ink: #d7dcff;
  --muted: #99a6ff;
  --panel: #101743;
  --line: #4d63d6;
  --line-strong: #7b8df5;
  --accent: #ffcc33;
  --accent-2: #ff6f5e;
  --code-bg: #091034;
  --divider-chip-bg: var(--ink);
  --divider-chip-fg: var(--paper);
  --scrollbar-track: color-mix(in srgb, var(--paper), #000 10%);
  --scrollbar-thumb: color-mix(in srgb, var(--line-strong), var(--paper) 25%);
  --scrollbar-thumb-hover: color-mix(in srgb, var(--line-strong), #fff 10%);
  --blockquote-bg: color-mix(in srgb, var(--accent-2), #000 78%);
  --blockquote-fg: var(--ink);
  --blockquote-border: var(--accent-2);
}

[data-theme="green"] {
  --bg: #07110a;
  --paper: #0a1710;
  --ink: #9df7b5;
  --muted: #5fbf7b;
  --panel: #09140d;
  --line: #1f4b2f;
  --line-strong: #2f6f45;
  --accent: #7dff98;
  --accent-2: #4bd6ff;
  --code-bg: #061009;
  --divider-chip-bg: #0f2619;
  --divider-chip-fg: #a8ffbf;
  --scrollbar-track: #08130d;
  --scrollbar-thumb: #2d6e45;
  --scrollbar-thumb-hover: #3d9160;
  --blockquote-bg: #0b1d14;
  --blockquote-fg: #9df7b5;
  --blockquote-border: #4bd6ff;
}

[data-theme="paper"] {
  --bg: #f7f4ed;
  --paper: #ffffff;
  --ink: #1f1f1f;
  --muted: #555;
  --panel: #eeeadf;
  --line: #c6c0b4;
  --line-strong: #7a7262;
  --accent: #9b6b00;
  --accent-2: #a02f2c;
  --code-bg: #f2efe8;
  --divider-chip-bg: var(--ink);
  --divider-chip-fg: var(--paper);
  --scrollbar-track: color-mix(in srgb, var(--paper), #000 4%);
  --scrollbar-thumb: color-mix(in srgb, var(--line-strong), var(--paper) 35%);
  --scrollbar-thumb-hover: color-mix(in srgb, var(--line-strong), #000 8%);
  --blockquote-bg: color-mix(in srgb, var(--accent-2), #fff 92%);
  --blockquote-fg: var(--ink);
  --blockquote-border: color-mix(in srgb, var(--accent-2), #000 12%);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(180deg, var(--bg), color-mix(in srgb, var(--bg), #000 3%));
  color: var(--ink);
  line-height: 1.45;
  height: 100vh;
  overflow: hidden;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
  scrollbar-width: thin;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  z-index: 3;
}

* {
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
  scrollbar-width: thin;
}

*::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

*::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

*::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 8px;
  border: 2px solid var(--scrollbar-track);
}

*::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
}

*::-webkit-scrollbar-corner {
  background: var(--scrollbar-track);
}

a {
  color: color-mix(in srgb, var(--accent), #fff 12%);
  text-underline-offset: 0.15em;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.7rem 1.1rem;
  border-bottom: 2px solid var(--line-strong);
  background: var(--panel);
}

.topbar h1 {
  font-family: "Franklin Gothic Medium", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-size: 1.35rem;
  margin: 0;
  font-weight: 700;
}

.topbar h1 a {
  color: inherit;
  text-decoration: none;
}

.theme-picker button {
  border: 1px solid var(--line-strong);
  background: color-mix(in srgb, var(--paper), #000 10%);
  color: var(--ink);
  margin-left: 0.25rem;
  cursor: pointer;
  padding: 0.22rem 0.45rem;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.82rem;
  text-transform: uppercase;
}

.layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  height: calc(100vh - 120px);
  max-width: 1500px;
  margin: 0 auto;
  overflow: hidden;
  position: relative;
  z-index: 2;
}

.sidebar {
  border-right: 2px solid var(--line-strong);
  padding: 1rem;
  background: linear-gradient(180deg, color-mix(in srgb, var(--panel), #fff 8%), var(--panel));
  overflow: auto;
  height: 100%;
}

.sidebar-title {
  margin-top: 0;
  margin-bottom: 0.7rem;
  color: var(--ink);
  font-family: "Franklin Gothic Medium", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.search-input {
  width: 100%;
  margin-bottom: 1rem;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line-strong);
  padding: 0.4rem 0.5rem;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

.search-input:focus {
  outline: 2px solid color-mix(in srgb, var(--accent), #fff 25%);
  outline-offset: 1px;
}

.nav-tree,
.nav-tree ul {
  list-style: none;
  margin: 0;
  padding-left: 0.75rem;
}

.nav-tree a {
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px dotted transparent;
}

.nav-tree li {
  margin-bottom: 0.3rem;
}

.nav-tree a:hover {
  border-color: var(--accent);
  color: color-mix(in srgb, var(--ink), var(--accent) 35%);
}

.nav-tree a.is-active {
  color: color-mix(in srgb, var(--accent), #fff 20%);
  border-color: color-mix(in srgb, var(--accent), #fff 20%);
  font-weight: 700;
}

.content {
  padding: 1.1rem 1.6rem 2rem;
  min-width: 0;
  background: var(--paper);
  border-left: 1px solid color-mix(in srgb, var(--line), #fff 30%);
  overflow: auto;
  height: 100%;
}

.kicker {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: "Franklin Gothic Medium", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.8rem;
}

.content h1,
.content h2,
.content h3 {
  font-family: "Franklin Gothic Medium", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.015em;
  line-height: 1.05;
  margin-top: 1.4rem;
}

.content h1 {
  font-size: 2.1rem;
  margin-bottom: 0.45rem;
}

.content h2 {
  font-size: 1.55rem;
}

.content h3 {
  font-size: 1.2rem;
}

.content p,
.content li,
.content td,
.content th {
  font-size: 1.08rem;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

.content p {
  margin: 0.45rem 0 0.8rem;
}

.primary-link {
  display: inline-block;
  margin-top: 0.25rem;
  font-family: "Franklin Gothic Medium", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  text-transform: uppercase;
  border: 1px solid var(--line-strong);
  background: color-mix(in srgb, var(--accent), #000 55%);
  color: var(--ink);
  padding: 0.35rem 0.6rem;
  text-decoration: none;
}

.breadcrumbs {
  margin-bottom: 1.05rem;
  padding: 0.3rem 0 0.45rem;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.88rem;
  color: var(--muted);
}

.markdown-body img {
  max-width: 100%;
  border: 1px solid var(--line);
}

.markdown-body pre {
  background: var(--code-bg);
  border: 1px solid var(--line-strong);
  padding: 0.9rem 0.85rem 0.75rem;
  overflow: auto;
  position: relative;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--paper), #000 4%);
}

.markdown-body code,
.markdown-body pre code {
  font-family: "Consolas", "Lucida Console", "Courier New", monospace;
  font-size: 0.95rem;
}

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.2rem;
  border-top: 2px solid var(--line-strong);
  border-bottom: 2px solid var(--line-strong);
}

.markdown-body thead th {
  text-align: left;
  font-family: "Franklin Gothic Medium", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 0.9rem;
  background: color-mix(in srgb, var(--panel), #fff 16%);
  border-bottom: 1px solid var(--line-strong);
  padding: 0.45rem 0.5rem;
}

.markdown-body tbody td {
  border-top: 1px solid var(--line);
  padding: 0.38rem 0.5rem;
  vertical-align: top;
}

.markdown-body tbody tr:nth-child(even) td {
  background: color-mix(in srgb, var(--panel), #fff 35%);
}

.markdown-body blockquote {
  margin: 0.9rem 0;
  padding: 0.35rem 0.8rem;
  border-left: 4px solid var(--blockquote-border);
  background: var(--blockquote-bg);
  color: var(--blockquote-fg);
}

.markdown-body hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 1.1rem 0;
}

.doc-section {
  margin-bottom: 1.2rem;
  padding-bottom: 0.8rem;
}

.doc-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0.2rem;
}

.doc-section-header {
  position: sticky;
  top: 0;
  z-index: 5;
  height: 1.9rem;
  margin: 0 0 0.8rem;
  background: color-mix(in srgb, var(--panel), var(--paper) 35%);
  border-top: 2px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.doc-section-divider-title {
  position: absolute;
  right: 0.45rem;
  top: 50%;
  transform: translateY(-50%);
  display: inline-block;
  padding: 0.2rem 0.5rem 0.22rem;
  background: var(--divider-chip-bg);
  border: 1px solid color-mix(in srgb, var(--divider-chip-bg), #000 18%);
  color: var(--divider-chip-fg);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.copy-code-btn {
  position: absolute;
  top: 0.3rem;
  right: 0.3rem;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  font-size: 0.75rem;
  padding: 0.12rem 0.32rem;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  text-transform: uppercase;
}

.pager {
  margin-top: 2rem;
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  border-top: 1px solid var(--line);
  padding-top: 0.8rem;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

.footer {
  padding: 0.6rem 1rem;
  border-top: 2px solid var(--line-strong);
  color: var(--muted);
  background: var(--panel);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.85rem;
  position: relative;
  z-index: 2;
}

html[data-theme="green"] body::before {
  opacity: 0.32;
  background:
    linear-gradient(
      180deg,
      rgba(180, 255, 205, 0.06) 0%,
      rgba(180, 255, 205, 0.02) 50%,
      rgba(180, 255, 205, 0.06) 100%
    ),
    repeating-linear-gradient(
      to bottom,
      rgba(170, 255, 200, 0.18) 0px,
      rgba(170, 255, 200, 0.18) 1px,
      transparent 1px,
      transparent 4px
    );
}

.error-wrap {
  min-height: 100vh;
  display: grid;
  place-content: center;
  text-align: center;
  padding: 1rem;
}

@media (max-width: 900px) {
  body {
    height: auto;
    overflow: auto;
  }

  .layout {
    grid-template-columns: 1fr;
    height: auto;
    overflow: visible;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 2px solid var(--line-strong);
    max-height: 40vh;
    height: auto;
  }

  .content {
    padding: 1rem 0.95rem 1.5rem;
    overflow: visible;
    height: auto;
  }

  .content h1 {
    font-size: 1.7rem;
  }
}