:root {
  --sand-950: #211f1a;
  --sand-900: #29261f;
  --sand-800: #383229;
  --sand-700: #51483a;
  --sand-600: #75664e;
  --sand-500: #9d8968;
  --sand-400: #bca47c;
  --sand-300: #d1c1a3;
  --sand-200: #e3d7c0;
  --sand-100: #eee7d9;
  --paper: #f4efe4;
  --ink: #383329;
  --muted: #716957;
  --olive: #66694d;
  --warning: #8b6338;

  --pico-font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  --pico-font-size: 100%;
  --pico-background-color: var(--paper);
  --pico-color: var(--ink);
  --pico-primary: var(--sand-700);
  --pico-primary-hover: var(--sand-800);
  --pico-primary-focus: rgba(117, 102, 78, 0.2);
  --pico-border-color: var(--sand-300);
  --pico-muted-color: var(--muted);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(rgba(80, 68, 48, 0.025) 1px, transparent 1px),
    var(--paper);
  background-size: 100% 28px;
  color: var(--ink);
}

.container {
  width: min(1180px, calc(100% - 2rem));
  margin-inline: auto;
}

/* --------------------------------------------------
   HEADER
-------------------------------------------------- */

.site-header {
  background: var(--sand-950);
  color: var(--sand-200);
  border-bottom: 4px solid var(--sand-400);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.eyebrow,
.sidebar-label,
.content-meta,
.content-footer,
.document-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow {
  color: var(--sand-400);
  font-size: 0.72rem;
  margin-bottom: 0.15rem;
}

.site-title {
  color: var(--sand-100);
  text-decoration: none;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", monospace;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.site-title:hover {
  color: white;
}

.document-code {
  color: var(--sand-300);
  font-size: 0.7rem;
}

/* --------------------------------------------------
   LAYOUT
-------------------------------------------------- */

.layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 2rem;
  padding-block: 2rem 3rem;
}

/* --------------------------------------------------
   SIDEBAR
-------------------------------------------------- */

.sidebar {
  position: sticky;
  top: 1rem;
  align-self: start;
}

.sidebar-label {
  color: var(--muted);
  border-bottom: 1px solid var(--sand-300);
  padding-bottom: 0.55rem;
  margin-bottom: 0.6rem;
  font-size: 0.68rem;
}

#document-nav {
  display: grid;
  gap: 0.4rem;
}

.doc-link {
  appearance: none;
  width: 100%;
  display: grid;
  grid-template-columns: 2rem 1fr;
  align-items: start;
  gap: 0.6rem;
  margin: 0;
  padding: 0.65rem 0.6rem;
  border: 1px solid transparent;
  border-radius: 4px;
  background: transparent;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.doc-link:hover {
  background: rgba(188, 164, 124, 0.15);
  border-color: var(--sand-300);
}

.doc-link.active {
  background: var(--sand-200);
  border-color: var(--sand-400);
}

.doc-number {
  color: var(--sand-700);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", monospace;
  font-weight: 800;
}

.doc-link strong {
  display: block;
  font-size: 0.9rem;
}

.doc-link small {
  display: block;
  margin-top: 0.1rem;
  color: var(--muted);
  font-size: 0.72rem;
}

.sidebar-note {
  margin-top: 2rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--sand-300);
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", monospace;
  font-size: 0.63rem;
  line-height: 1.6;
}

.sidebar-note span {
  display: block;
  color: var(--olive);
  font-weight: 800;
}

/* --------------------------------------------------
   CONTENT
-------------------------------------------------- */

.content-panel {
  min-width: 0;
}

.content-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--sand-300);
  color: var(--muted);
  font-size: 0.65rem;
}

.markdown-body {
  padding-top: 1.7rem;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
  color: var(--sand-900);
  font-weight: 800;
}

.markdown-body h1 {
  margin-top: 0;
  margin-bottom: 1.4rem;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  letter-spacing: -0.025em;
}

.markdown-body h2 {
  margin-top: 2.6rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--sand-300);
  font-size: clamp(1.25rem, 2.8vw, 1.55rem);
}

.markdown-body h3 {
  margin-top: 1.8rem;
  font-size: 1.1rem;
}

.markdown-body p,
.markdown-body li {
  line-height: 1.7;
}

.markdown-body ul,
.markdown-body ol {
  padding-left: 1.35rem;
}

.markdown-body strong {
  color: var(--sand-800);
}

.markdown-body hr {
  margin: 2rem 0;
  border-color: var(--sand-300);
}

/* --------------------------------------------------
   INLINE TERMINAL COMMANDS
-------------------------------------------------- */

/*
  Marked.js renders single backticks as <code>.
  These selectors intentionally target inline code only.
*/

.markdown-body :not(pre) > code {
  display: inline-block;
  padding: 0.08em 0.38em;
  border: 1px solid var(--sand-300);
  border-radius: 4px;
  background: var(--sand-200);
  color: #76552c;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", monospace;
  font-size: 0.88em;
  font-weight: 700;
  line-height: 1.3;
}

/* --------------------------------------------------
   TERMINAL BLOCKS
-------------------------------------------------- */

.markdown-body pre {
  position: relative;
  margin: 1.2rem 0 1.5rem;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  border: 1px solid var(--sand-700);
  border-left: 4px solid var(--sand-400);
  border-radius: 5px;
  background: var(--sand-900);
  box-shadow: 0 5px 15px rgba(33, 31, 26, 0.08);
}

.markdown-body pre::before {
  content: "TERMINAL";
  display: block;
  margin-bottom: 0.65rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--sand-700);
  color: var(--sand-400);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", monospace;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.markdown-body pre code {
  display: block;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--sand-200);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", monospace;
  font-size: 0.86rem;
  line-height: 1.65;
  white-space: pre;
}

/* --------------------------------------------------
   BLOCKQUOTES / TABLES / LINKS
-------------------------------------------------- */

.markdown-body blockquote {
  margin: 1.3rem 0;
  padding: 0.7rem 1rem;
  border-left: 4px solid var(--olive);
  background: rgba(102, 105, 77, 0.08);
  color: var(--muted);
}

.markdown-body table {
  display: block;
  overflow-x: auto;
  white-space: nowrap;
}

.markdown-body th {
  background: var(--sand-200);
  color: var(--sand-800);
}

.markdown-body a {
  color: var(--sand-700);
  text-decoration-color: var(--sand-400);
}

.loading {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", monospace;
}

/* --------------------------------------------------
   FOOTER
-------------------------------------------------- */

.content-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--sand-300);
  color: var(--muted);
  font-size: 0.6rem;
}

/* --------------------------------------------------
   MOBILE
-------------------------------------------------- */

@media (max-width: 720px) {
  .container {
    width: min(100% - 1.1rem, 1180px);
  }

  .header-inner {
    min-height: 68px;
  }

  .document-code {
    display: none;
  }

  .layout {
    display: block;
    padding-top: 1rem;
  }

  .sidebar {
    position: static;
    margin-bottom: 1.4rem;
  }

  #document-nav {
    grid-template-columns: 1fr 1fr;
  }

  .doc-link {
    grid-template-columns: 1.7rem 1fr;
    padding: 0.55rem;
  }

  .content-meta {
    font-size: 0.58rem;
  }

  .markdown-body {
    padding-top: 1.2rem;
  }

  .markdown-body pre {
    margin-inline: -0.15rem;
    border-radius: 4px;
    padding: 0.85rem;
  }

  .markdown-body pre code {
    font-size: 0.78rem;
  }

  .content-footer {
    flex-direction: column;
    gap: 0.2rem;
  }
}