/* Shared static docs — matches portfolio Exo + blue accent (design system) */
:root {
  --bg: #f3f4f6;
  --bg-elevated: #ffffff;
  --text: #111827;
  --text-muted: #4b5563;
  --border: #e5e7eb;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: rgba(37, 99, 235, 0.1);
  --code-bg: #f9fafb;
  --radius: 12px;
  --shadow: 0 10px 40px rgba(17, 24, 39, 0.08);
  --font-sans: "Exo", system-ui, sans-serif;
  --toc-width: 15rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0a09;
    --bg-elevated: #1c1917;
    --text: #e7e5e4;
    --text-muted: #a8a29e;
    --border: #44403c;
    --accent: #60a5fa;
    --accent-hover: #93c5fd;
    --accent-soft: rgba(96, 165, 250, 0.15);
    --code-bg: #292524;
    --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  text-decoration: none;
}

.skip {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip:focus {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 100;
  width: auto;
  height: auto;
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
}

/* Top bar: back + sibling package links */
.doc-top-wrap {
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.doc-topbar {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0.75rem clamp(1.25rem, 4vw, 3rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.25rem;
}

.doc-back {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.doc-back:hover,
.doc-back:focus-visible {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

.doc-siblings {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
}

.doc-siblings a {
  padding: 0.4rem 0.7rem;
  border-radius: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  border: 1px solid transparent;
}

.doc-siblings a:hover,
.doc-siblings a:focus-visible {
  color: var(--accent);
  background: var(--accent-soft);
}

.doc-siblings a[aria-current="page"] {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: var(--border);
}

header.doc-hero {
  background: linear-gradient(135deg, var(--accent-soft) 0%, transparent 55%),
    var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  padding: clamp(1.75rem, 4vw, 3rem) clamp(1.25rem, 4vw, 3rem);
}

.doc-hero-inner {
  max-width: 72rem;
  margin: 0 auto;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 1rem;
}

h1 {
  font-family: var(--font-sans);
  font-size: clamp(2rem, 5vw, 2.65rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 42rem;
  margin: 0;
}

.layout {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 72rem;
  margin: 0 auto;
  padding: clamp(1.5rem, 3vw, 2.5rem) clamp(1.25rem, 4vw, 3rem);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

@media (min-width: 960px) {
  .layout {
    grid-template-columns: var(--toc-width) minmax(0, 1fr);
    align-items: start;
  }
}

nav.toc {
  position: sticky;
  top: 1rem;
  align-self: start;
  padding: 1rem 1.1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  max-height: min(70vh, 32rem);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 959px) {
  nav.toc {
    position: relative;
    top: 0;
    max-height: none;
    overflow-y: visible;
  }
}

.toc-title {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.toc li {
  margin: 0.35rem 0;
}

.toc a {
  display: block;
  padding: 0.35rem 0.5rem;
  margin: 0 -0.5rem;
  border-radius: 6px;
  color: var(--text);
  text-decoration: none;
  font-size: 0.92rem;
}

.toc a:hover,
.toc a:focus-visible {
  background: var(--accent-soft);
  color: var(--accent);
}

main.content {
  min-width: 0;
}

section {
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
  scroll-margin-top: 1.25rem;
}

h2 {
  font-family: var(--font-sans);
  font-size: clamp(1.45rem, 3vw, 1.8rem);
  font-weight: 700;
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border);
}

h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 1.75rem 0 0.65rem;
}

h4 {
  font-size: 1rem;
  font-weight: 700;
  margin: 1.35rem 0 0.5rem;
  color: var(--text-muted);
}

p {
  margin: 0 0 1rem;
}

ul {
  margin: 0 0 1rem;
  padding-left: 1.35rem;
}

li {
  margin: 0.35rem 0;
}

.callout {
  padding: 1rem 1.15rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  margin: 1.25rem 0;
}

.callout strong {
  color: var(--accent);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin: 1rem 0;
  overflow-x: auto;
  display: block;
}

@media (min-width: 640px) {
  table {
    display: table;
  }
}

th,
td {
  border: 1px solid var(--border);
  padding: 0.6rem 0.75rem;
  text-align: left;
}

th {
  background: var(--code-bg);
  font-weight: 700;
}

/* IDE-style code blocks (Prism.js themes + JetBrains Mono) */
pre.doc-pre {
  margin: 1rem 0;
  padding: 0;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  font-family: "JetBrains Mono", "Fira Code", ui-monospace, Menlo, Consolas, monospace;
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
}

@media (prefers-color-scheme: dark) {
  pre.doc-pre {
    box-shadow: 0 4px 28px rgba(0, 0, 0, 0.35);
  }
}

pre.doc-pre code[class*="language-"] {
  display: block;
  padding: 1rem 1.2rem !important;
  margin: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  tab-size: 2;
  font-size: 0.8125rem;
  line-height: 1.65;
  font-family: inherit !important;
}

pre.doc-pre .token.comment,
pre.doc-pre .token.prolog,
pre.doc-pre .token.doctype,
pre.doc-pre .token.cdata {
  font-style: italic;
}

code {
  font-family: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.88em;
}

p code,
li code {
  background: var(--code-bg);
  padding: 0.12rem 0.4rem;
  border-radius: 4px;
  border: 1px solid var(--border);
}

footer.doc-foot {
  border-top: 1px solid var(--border);
  padding: 2rem clamp(1.25rem, 4vw, 3rem);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}