/* Weir docs — dashboard-aligned dark system.
   The documentation is calmer and more reading-oriented than the dashboard,
   but it shares its near-black surfaces, single violet accent, Manrope type,
   and compact rounded controls. Code remains deliberately mono. */

:root {
  --ink-950: #0b0b12;
  --ink-900: #14101f;
  --ink-800: #1a1530;
  --ink-700: #221c38;
  --ink-600: #4a4460;
  --ink-500: #63667a;
  --ink-300: #b4b7c9;
  --ink-100: #f5f4ff;
  --paper: #fafafb;

  --violet-500: #7c4dfb;
  --violet-400: #a98cff;
  --violet-300: #cbb8ff;
  --violet-700: #5b21e0;

  --bg: var(--ink-950);
  --bg-raised: var(--ink-900);
  --bg-inset: var(--ink-800);
  --border: rgba(255, 255, 255, 0.08);
  --text: var(--ink-100);
  --text-dim: var(--ink-300);
  --accent: var(--violet-500);
  --accent-strong: var(--violet-400);
  --accent-2: var(--violet-300);
  --code-bg: #0f0b18;
  --shadow: 0 24px 64px -24px rgba(11, 11, 15, 0.55);

  --font-display: "Manrope", ui-sans-serif, "Segoe UI", sans-serif;
  --font-body: "Manrope", ui-sans-serif, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

:root[data-theme="light"] {
  --bg: var(--paper);
  --bg-raised: #ffffff;
  --bg-inset: #f5f3fa;
  --border: #e7e6ee;
  --text: #0b0b0f;
  --text-dim: #63667a;
  --accent: var(--violet-500);
  --accent-strong: var(--violet-700);
  --accent-2: var(--violet-700);
  --code-bg: #f5f3fa;
  --shadow: 0 20px 50px -25px rgba(11, 11, 15, 0.2);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: var(--paper);
    --bg-raised: #ffffff;
    --bg-inset: #f5f3fa;
    --border: #e7e6ee;
    --text: #0b0b0f;
    --text-dim: #63667a;
    --accent: var(--violet-500);
    --accent-strong: var(--violet-700);
    --accent-2: var(--violet-700);
    --code-bg: #f5f3fa;
    --shadow: 0 20px 50px -25px rgba(11, 11, 15, 0.2);
  }
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
:root[data-theme="light"] html,
html:has([data-theme="light"]) { color-scheme: light; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: var(--ink-950);
  padding: 0.6rem 1rem;
  z-index: 100;
  font-family: var(--font-mono);
}
.skip-link:focus { left: 1rem; top: 1rem; }

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Theme toggle ---------- */
.theme-toggle {
  position: fixed;
  top: 1.1rem;
  right: 1.1rem;
  z-index: 50;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
}
.theme-toggle-dot {
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: block;
}

/* ---------- Docs top bar (wireframe 1j) ---------- */
:root { --topbar-h: 3.5rem; }

.docs-topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: var(--topbar-h);
  padding: 0.55rem clamp(1rem, 3vw, 1.75rem);
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(12px);
}
.docs-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}
.docs-brand:hover { text-decoration: none; color: var(--accent-strong); }
.brand-mark { color: var(--accent); font-weight: 700; font-size: 1.3rem; }
.docs-version {
  padding: 0.08rem 0.4rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-dim);
}
.search-open {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 15rem;
  margin-left: auto;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-inset);
  color: var(--text-dim);
  font-family: var(--font-body);
  font-size: 0.85rem;
  cursor: pointer;
}
.search-open:hover { border-color: var(--accent); color: var(--text); }
.search-open kbd, .search-hint kbd {
  padding: 0.1rem 0.32rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-raised);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}
.search-open kbd { margin-left: auto; }
.topbar-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-right: 3rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  white-space: nowrap;
}
.topbar-links a { color: var(--text-dim); }
.topbar-links a:hover { color: var(--accent-2); }
.llms-pill {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  color: var(--accent-strong) !important;
}
.nav-toggle { display: none; }

/* ---------- Three-pane shell (wireframe 1j) ---------- */
.docs-shell {
  display: grid;
  grid-template-columns: 16rem minmax(0, 1fr) 15rem;
  align-items: start;
  max-width: 100rem;
  margin: 0 auto;
}

/* min-height matches max-height so the pane dividers run the full viewport
   instead of stopping wherever each column's content happens to end. */
.docs-nav,
.doc-rail {
  position: sticky;
  top: var(--topbar-h);
  min-height: calc(100vh - var(--topbar-h));
  max-height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  padding: 1.75rem 1.25rem 3rem;
}
.docs-nav { border-right: 1px solid var(--border); }
.doc-rail { border-left: 1px solid var(--border); font-size: 0.82rem; }

.nav-section h3 {
  margin: 1.6rem 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.nav-section:first-of-type h3 { margin-top: 0; }
.nav-section ul { list-style: none; margin: 0; padding: 0; }
.nav-section li a {
  display: block;
  padding: 0.32rem 0.5rem;
  border-radius: 6px;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
}
.nav-section li a:hover { background: var(--bg-inset); text-decoration: none; }
.nav-section li a.active {
  color: var(--accent-strong);
  background: var(--bg-inset);
  box-shadow: inset 2px 0 0 var(--accent);
}
.nav-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--border);
  font-family: var(--font-mono);
  font-size: 0.74rem;
}
.nav-foot a { color: var(--text-dim); }

.rail-label {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.rail-toc { list-style: none; margin: 0 0 2rem; padding: 0; }
.rail-toc li a {
  display: block;
  padding: 0.28rem 0 0.28rem 0.7rem;
  border-left: 2px solid var(--border);
  color: var(--text-dim);
  line-height: 1.4;
}
.rail-toc li a:hover { color: var(--accent-2); text-decoration: none; }
.rail-toc li a.toc-active {
  border-left-color: var(--accent);
  color: var(--accent-strong);
  font-weight: 500;
}
.toc-level-3 a { padding-left: 1.4rem; font-size: 0.95em; }
.rail-agent {
  padding: 0.9rem;
  border: 1px dashed var(--border);
  border-radius: 8px;
  background: var(--bg-raised);
}
.rail-agent p { margin: 0 0 0.6rem; color: var(--text-dim); font-size: 0.78rem; line-height: 1.5; }
.rail-agent ul { list-style: none; margin: 0; padding: 0; }
.rail-agent li { margin-bottom: 0.3rem; }
.rail-agent a { font-size: 0.78rem; }

/* ---------- Main content ---------- */
.doc-main {
  max-width: 52rem;
  margin: 0 auto;
  padding: 2rem clamp(1.25rem, 3.5vw, 3rem) 5rem;
}

.doc-topline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin-bottom: 1.5rem;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-dim);
}
.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--accent-2); }
.crumb-sep { color: var(--border); }
.doc-actions { display: flex; align-items: center; gap: 0.75rem; }
.copy-page {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-raised);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  cursor: pointer;
}
.copy-page:hover { border-color: var(--accent); color: var(--accent-strong); }
.copy-page.copied { border-color: var(--accent-2); color: var(--accent-2); }
.view-md { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-dim); }
.view-md:hover { color: var(--accent-2); }

/* ---------- Prev / next pager ---------- */
.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 3.5rem;
}
.pager a {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
}
.pager a:hover { border-color: var(--accent); text-decoration: none; }
.pager span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.pager strong { font-weight: 500; }
.pager-next { text-align: right; }

/* ---------- Search palette ---------- */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  justify-content: center;
  padding: 12vh 1rem 1rem;
  background: rgba(0, 0, 0, 0.55);
}
.search-overlay[hidden] { display: none; }
.search-panel {
  display: flex;
  flex-direction: column;
  width: min(38rem, 100%);
  max-height: 65vh;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-raised);
  box-shadow: var(--shadow);
}
.search-input {
  padding: 1rem 1.1rem;
  border: none;
  border-bottom: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
}
.search-input:focus { outline: none; }
.search-results { flex: 1; list-style: none; margin: 0; padding: 0.4rem; overflow-y: auto; }
.search-results li a {
  display: block;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  color: var(--text);
}
.search-results li a:hover,
.search-results li.is-active a { background: var(--bg-inset); text-decoration: none; }
.search-results small {
  display: block;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}
.search-empty { padding: 1rem 1.1rem; color: var(--text-dim); font-size: 0.88rem; }
.search-hint {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  margin: 0;
  padding: 0.6rem 1.1rem;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.72rem;
}

.prose h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 2.6rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 1.1rem;
}
.prose h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 1.25;
  margin: 2.75rem 0 1rem;
  padding-top: 0.25rem;
  border-top: 1px solid var(--border);
}
.prose h2:first-of-type { border-top: none; padding-top: 0; margin-top: 1.5rem; }
.prose h3 {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent-strong);
  margin: 2rem 0 0.75rem;
}
.prose h4 { font-size: 0.95rem; margin: 1.5rem 0 0.5rem; }
.prose { min-width: 0; max-width: 100%; }
.heading-anchor {
  color: var(--text-dim) !important;
  text-decoration: none !important;
  margin-right: 0.4rem;
  opacity: 0;
  font-weight: 400;
  font-family: var(--font-mono);
}
.prose h2:hover .heading-anchor,
.prose h3:hover .heading-anchor { opacity: 0.6; }
.permalink-accessible {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.permalink-accessible:focus {
  position: static;
  display: inline-block;
  width: auto;
  height: auto;
  margin: 0.25rem 0 0.75rem;
  padding: 0.3rem 0.5rem;
  overflow: visible;
  clip: auto;
  white-space: normal;
  border: 1px solid var(--accent);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.prose p { margin: 0 0 1.1rem; color: var(--text); }
.prose strong { color: var(--text); font-weight: 600; }
.prose em { font-style: italic; color: var(--accent-strong); }
.prose ul, .prose ol { margin: 0 0 1.1rem; padding-left: 1.4rem; }
.prose li { margin-bottom: 0.4rem; }
.prose blockquote {
  margin: 1.5rem 0;
  padding: 0.9rem 1.25rem;
  border-left: 3px solid var(--accent);
  background: var(--bg-inset);
  border-radius: 0 8px 8px 0;
  color: var(--text-dim);
}
.prose blockquote p:last-child { margin-bottom: 0; }
.prose hr { border: none; border-top: 1px solid var(--border); margin: 2.5rem 0; }
.prose code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.1em 0.4em;
}
.prose :not(pre) > code { overflow-wrap: anywhere; }

.asset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1.25rem;
  margin: 0 0 1.5rem;
}
.asset-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-inset);
}
.asset-card img {
  display: block;
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  background: var(--code-bg);
}
.asset-card figcaption {
  padding: 0.5rem 0.75rem 0.75rem;
  font-size: 0.82rem;
  color: var(--text-dim);
}
.asset-card figcaption code { font-size: 0.85em; }
.icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: 0.75rem;
  margin: 0 0 1.5rem;
}
.icon-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem 0.5rem;
  text-align: center;
  background: var(--bg-inset);
}
.icon-card img { display: block; width: 32px; height: 32px; margin: 0 auto 0.4rem; }
.icon-card figcaption { font-size: 0.78rem; color: var(--text-dim); }
.icon-card figcaption code { font-size: 0.9em; }

.table-wrap { overflow-x: auto; margin: 0 0 1.5rem; border: 1px solid var(--border); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; font-size: 0.92rem; }
th, td { text-align: left; padding: 0.6rem 0.9rem; border-bottom: 1px solid var(--border); vertical-align: top; }
thead th {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  background: var(--bg-inset);
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--bg-inset); }
td code, th code { white-space: nowrap; }

.code-block {
  position: relative;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  margin: 0 0 1.5rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--code-bg);
  overflow: hidden;
}
.code-block pre {
  display: block;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  margin: 0;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.55;
}
.code-block pre code {
  display: block;
  width: max-content;
  min-width: 100%;
  max-width: none;
  white-space: pre;
}
.copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.3rem 0.55rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.code-block:hover .copy-btn,
.copy-btn:focus-visible { opacity: 1; }
.copy-btn.copied { color: var(--accent-strong); border-color: var(--accent); opacity: 1; }

.doc-footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}
.doc-footer code { font-size: 0.9em; }

/* ---------- Docs index (/docs/) keeps its editorial intro inside the shell ---------- */
.doc-index .prose > h1:first-child {
  font-size: clamp(2.2rem, 5vw, 3rem);
  line-height: 1.08;
}
.doc-index .prose > p:nth-of-type(1) {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--accent-strong);
  max-width: 44ch;
}

/* ---------- Responsive ---------- */
/* ---------- Responsive: three panes collapse to one column ---------- */
@media (max-width: 1180px) {
  .docs-shell { grid-template-columns: 15rem minmax(0, 1fr); }
  .doc-rail { display: none; }
}

@media (max-width: 860px) {
  .docs-shell { grid-template-columns: minmax(0, 1fr); }
  .theme-toggle { top: 0.6rem; right: 0.6rem; width: 2rem; height: 2rem; }
  .topbar-links { display: none; }
  .search-open { min-width: 0; margin-left: auto; }
  .search-open span { display: none; }
  .search-open kbd { margin-left: 0; }
  .nav-toggle {
    display: block;
    order: 3;
    margin-right: 2.5rem;
    padding: 0.4rem 0.65rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-raised);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    cursor: pointer;
  }
  .nav-toggle[aria-expanded="true"] { border-color: var(--accent); color: var(--accent-strong); }
  .docs-nav {
    display: none;
    position: static;
    max-height: none;
    padding: 1.25rem clamp(1rem, 4vw, 1.75rem) 2rem;
    border-right: none;
    border-bottom: 1px solid var(--border);
    background: var(--bg-raised);
  }
  .docs-nav.is-open { display: block; }
  .doc-main { padding-top: 1.5rem; min-width: 0; width: 100%; overflow-x: clip; }
}

@media (max-width: 560px) {
  .docs-topbar { gap: 0.6rem; padding-left: 1rem; padding-right: 1rem; }
  .docs-brand { font-size: 1rem; }
  .docs-version { display: none; }
  .doc-topline { align-items: flex-start; flex-direction: column; }
  .pager { grid-template-columns: 1fr; }
  .pager-next { text-align: left; }
  .search-overlay { padding-top: 6vh; }
}