:root {
  --ifm-color-primary: #2f7f6f;
  --ifm-color-primary-dark: #2a7264;
  --ifm-color-primary-light: #398f7e;
  --bg: #ffffff;
  --bg-subtle: #f7f7f8;
  --text: #1c1e21;
  --text-muted: #606770;
  --border: #e2e3e5;
  --border-strong: #d4d5d8;
  --code-bg: #f4f5f6;
  --code-text: #292d33;
  --navbar-bg: rgba(255,255,255,.97);
  --sidebar-bg: #ffffff;
  --footer-bg: #242526;
  --footer-text: #e4e6eb;
  --footer-muted: #b0b3b8;
  --shadow: 0 1px 2px 0 rgba(0,0,0,.08);
  --navbar-height: 60px;
  --sidebar-width: 300px;
  --toc-width: 220px;
  --content-max: 820px;
  --font: system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono: ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
}
html[data-theme="dark"] {
  --bg: #1b1b1d;
  --bg-subtle: #242426;
  --text: #f2f2f2;
  --text-muted: #b8babf;
  --border: #34363a;
  --border-strong: #41444a;
  --code-bg: #27292d;
  --code-text: #f0f1f2;
  --navbar-bg: rgba(27,27,29,.97);
  --sidebar-bg: #1b1b1d;
  --footer-bg: #111214;
  --footer-text: #f1f2f3;
  --footer-muted: #aeb1b7;
  --shadow: 0 1px 2px rgba(0,0,0,.35);
}
* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--navbar-height) + 16px);
}
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--ifm-color-primary);
  text-decoration: none;
}
a:hover { text-decoration: underline; }
code {
  padding: .12rem .3rem;
  border-radius: 4px;
  background: var(--code-bg);
  color: var(--code-text);
  font-family: var(--mono);
  font-size: .88em;
}
button,input { font: inherit; }
::selection {
  color: #fff;
  background: var(--ifm-color-primary);
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 80;
  height: var(--navbar-height);
  border-bottom: 1px solid var(--border);
  background: var(--navbar-bg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.navbar-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 20px;
}
.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text);
  font-size: 18px;
  font-weight: 700;
}
.navbar-brand:hover { text-decoration: none; }
.brand-icon {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: var(--ifm-color-primary);
  color: white;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
}
.navbar-items {
  display: flex;
  align-items: center;
  gap: 4px;
}
.navbar-link {
  padding: 7px 10px;
  border-radius: 5px;
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
}
.navbar-link:hover {
  color: var(--ifm-color-primary);
  text-decoration: none;
}
.navbar-link.active { color: var(--ifm-color-primary); }
.navbar-spacer { flex: 1; }
.search-button {
  width: 230px;
  height: 36px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 11px;
  border: 1px solid var(--border-strong);
  border-radius: 7px;
  color: var(--text-muted);
  background: var(--bg-subtle);
  cursor: pointer;
  text-align: left;
}
.search-button .key {
  margin-left: auto;
  padding: 1px 6px;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  background: var(--bg);
  font-size: 11px;
  line-height: 20px;
}
.icon-button {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 6px;
  color: var(--text);
  background: transparent;
  cursor: pointer;
}
.icon-button:hover { background: var(--bg-subtle); }
.mobile-menu { display: none; }

/* Docs shell */
.docs-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0,1fr) var(--toc-width);
  min-height: calc(100vh - var(--navbar-height));
}
.sidebar {
  position: sticky;
  top: var(--navbar-height);
  height: calc(100vh - var(--navbar-height));
  overflow-y: auto;
  border-right: 1px solid var(--border);
  background: var(--sidebar-bg);
  padding: 22px 14px 36px;
}
.sidebar-home {
  display: block;
  margin-bottom: 12px;
  padding: 6px 10px;
  border-radius: 5px;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
}
.sidebar-home:hover {
  background: var(--bg-subtle);
  text-decoration: none;
}
.sidebar-home.active {
  color: var(--ifm-color-primary);
  background: color-mix(in srgb, var(--ifm-color-primary) 10%, transparent);
}
.sidebar-group { margin: 5px 0 9px; }
.sidebar-group-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 8px;
  border: 0;
  border-radius: 5px;
  color: var(--text);
  background: transparent;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  text-align: left;
}
.sidebar-group-toggle:hover { background: var(--bg-subtle); }
.sidebar-chevron {
  width: 14px;
  color: var(--text-muted);
  font-size: 11px;
  transition: transform .12s ease;
}
.sidebar-group.collapsed .sidebar-chevron { transform: rotate(-90deg); }
.sidebar-list {
  margin: 2px 0 4px;
  padding: 0 0 0 21px;
  list-style: none;
}
.sidebar-group.collapsed .sidebar-list { display: none; }
.sidebar-link {
  display: block;
  padding: 5px 8px;
  border-radius: 5px;
  color: var(--text-muted);
  font-size: 13.5px;
  line-height: 1.35;
}
.sidebar-link:hover {
  color: var(--text);
  background: var(--bg-subtle);
  text-decoration: none;
}
.sidebar-link.active {
  color: var(--ifm-color-primary);
  background: color-mix(in srgb, var(--ifm-color-primary) 10%, transparent);
  font-weight: 600;
}
.docs-main {
  min-width: 0;
  padding: 38px 44px 80px;
}
.docs-content {
  width: min(100%, var(--content-max));
  margin: 0 auto;
}
.toc {
  position: sticky;
  top: var(--navbar-height);
  align-self: start;
  max-height: calc(100vh - var(--navbar-height));
  overflow-y: auto;
  padding: 34px 20px 40px 0;
}
.toc-label {
  margin-bottom: 8px;
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
}
.toc a {
  display: block;
  padding: 4px 0 4px 12px;
  border-left: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 12.5px;
  line-height: 1.4;
}
.toc a:hover {
  color: var(--ifm-color-primary);
  text-decoration: none;
}
.toc a.active {
  color: var(--ifm-color-primary);
  border-left-color: var(--ifm-color-primary);
}

/* Home/article */
.doc-title,
.home-title {
  margin: 0 0 18px;
  color: var(--text);
  font-size: 40px;
  line-height: 1.18;
  letter-spacing: -.025em;
}
.home-lead {
  margin: 0 0 34px;
  color: var(--text-muted);
  font-size: 18px;
}
.content-section {
  margin: 0 0 38px;
}
.content-section h2,
.article h2 {
  margin: 36px 0 16px;
  padding-top: 6px;
  font-size: 28px;
  line-height: 1.3;
  letter-spacing: -.018em;
}
.content-section h3,
.article h3 {
  margin: 28px 0 10px;
  font-size: 21px;
  line-height: 1.35;
}
.content-section p,
.article p {
  margin: 0 0 16px;
}
.content-section ul,
.article ul,
.article ol {
  margin: 0 0 16px;
  padding-left: 24px;
}
.content-section li,
.article li { margin: 4px 0; }
.game-columns {
  columns: 2;
  column-gap: 38px;
  padding-left: 22px;
}
.game-columns li { break-inside: avoid; }
.doc-meta {
  margin: -8px 0 28px;
  color: var(--text-muted);
  font-size: 13px;
}
.doc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: -10px 0 30px;
}
.doc-actions a {
  font-size: 13px;
  font-weight: 600;
}
.article section { margin-bottom: 34px; }
.anchor-link {
  margin-left: 7px;
  opacity: 0;
  color: var(--ifm-color-primary);
  font-size: .75em;
  font-weight: 400;
}
.article h2:hover .anchor-link { opacity: 1; }
.note {
  padding: 12px 16px;
  border-left: 4px solid var(--ifm-color-primary);
  border-radius: 4px;
  background: color-mix(in srgb, var(--ifm-color-primary) 8%, var(--bg-subtle));
}
.command-card {
  margin: 18px 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}
.command-line {
  position: relative;
  padding: 11px 52px 11px 13px;
  background: var(--code-bg);
  color: var(--code-text);
  font-family: var(--mono);
  font-size: 13px;
  overflow-wrap: anywhere;
}
.command-description {
  padding: 11px 13px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 14px;
}
.copy-button {
  position: absolute;
  right: 7px;
  top: 7px;
  height: 28px;
  padding: 0 7px;
  border: 1px solid var(--border-strong);
  border-radius: 5px;
  background: var(--bg);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 11px;
}
pre.code-block,
pre.raw-fallback {
  margin: 18px 0;
  padding: 14px 16px;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--code-bg);
  color: var(--code-text);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.55;
}
pre code {
  padding: 0;
  background: transparent;
  color: inherit;
}
.edit-row {
  display: flex;
  justify-content: flex-start;
  margin: 42px 0 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 13px;
}
.pagination-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 18px;
}
.pagination-link {
  min-height: 78px;
  padding: 13px 16px;
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
}
.pagination-link:hover {
  border-color: var(--ifm-color-primary);
  text-decoration: none;
}
.pagination-link.next { text-align: right; }
.pagination-sublabel {
  display: block;
  color: var(--text-muted);
  font-size: 12px;
}
.pagination-title {
  display: block;
  margin-top: 3px;
  color: var(--ifm-color-primary);
  font-size: 15px;
  font-weight: 700;
}

/* Search modal */
.search-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: none;
  justify-content: center;
  align-items: flex-start;
  padding: 72px 16px 20px;
  background: rgba(0,0,0,.45);
}
.search-modal.open { display: flex; }
.search-panel {
  width: min(650px,100%);
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  box-shadow: 0 18px 60px rgba(0,0,0,.25);
}
.search-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}
.search-input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  color: var(--text);
  background: transparent;
  font-size: 16px;
}
.search-results {
  max-height: 55vh;
  overflow-y: auto;
  padding: 8px;
}
.search-result {
  display: block;
  padding: 10px 11px;
  border-radius: 5px;
  color: var(--text);
}
.search-result:hover,
.search-result.selected {
  background: var(--bg-subtle);
  text-decoration: none;
}
.search-result strong {
  display: block;
  font-size: 14px;
}
.search-result span {
  display: block;
  margin-top: 2px;
  color: var(--text-muted);
  font-size: 12px;
}
.search-empty {
  padding: 18px;
  color: var(--text-muted);
  font-size: 13px;
}

/* Footer */
.footer {
  color: var(--footer-text);
  background: var(--footer-bg);
}
.footer-inner {
  max-width: 1180px;
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 48px;
  margin: 0 auto;
  padding: 48px 28px 38px;
}
.footer-title {
  margin-bottom: 10px;
  font-size: 15px;
  font-weight: 700;
}
.footer a {
  display: block;
  margin: 6px 0;
  color: var(--footer-muted);
  font-size: 14px;
}
.footer a:hover {
  color: #fff;
  text-decoration: none;
}
.footer-bottom {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px 28px;
  color: var(--footer-muted);
  font-size: 13px;
}

/* Error/loading */
.loading {
  min-height: 34vh;
  display: grid;
  place-items: center;
  color: var(--text-muted);
}
.error-card {
  padding: 18px;
  border: 1px solid #cc4b4b;
  border-radius: 6px;
  background: color-mix(in srgb,#cc4b4b 8%,var(--bg));
}

/* Responsive */
@media (max-width: 1120px) {
  .docs-shell {
    grid-template-columns: var(--sidebar-width) minmax(0,1fr);
  }
  .toc { display: none; }
}
@media (max-width: 820px) {
  .navbar-inner { gap: 8px; padding: 0 12px; }
  .mobile-menu { display: grid; }
  .navbar-items { display: none; }
  .search-button {
    width: 38px;
    justify-content: center;
    padding: 0;
  }
  .search-button .label,
  .search-button .key { display: none; }
  .docs-shell { display: block; }
  .sidebar {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    z-index: 70;
    width: min(86vw,var(--sidebar-width));
    transform: translateX(-103%);
    transition: transform .18s ease;
    box-shadow: 8px 0 26px rgba(0,0,0,.12);
  }
  .sidebar.open { transform: translateX(0); }
  .docs-main { padding: 32px 20px 60px; }
}
@media (max-width: 560px) {
  .navbar-brand span:last-child { display: none; }
  .doc-title,.home-title { font-size: 34px; }
  .content-section h2,.article h2 { font-size: 25px; }
  .game-columns { columns: 1; }
  .pagination-nav { grid-template-columns: 1fr; }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 26px;
    padding-top: 36px;
  }
}