/* ==========================================================================
   Chapter Vision — documentation styles
   (loads after site.css, which provides tokens + reset)
   ========================================================================== */

body.docs {
  background: var(--bg);
  font-size: 16px;
}

/* ---- Header ---- */
.docs-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: 62px;
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 0 24px;
  background: rgba(13, 12, 29, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.docs-header .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.015em;
  white-space: nowrap;
}
.docs-header .brand .mark { width: 26px; height: 26px; }
.docs-header .brand .docs-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--peri);
  border: 1px solid rgba(156, 140, 242, 0.35);
  border-radius: 100px;
  padding: 2.5px 9px;
  margin-left: 4px;
  text-transform: uppercase;
}
.docs-search {
  flex: 1;
  max-width: 520px;
  position: relative;
}
.docs-search input {
  width: 100%;
  padding: 9px 16px 9px 38px;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: rgba(29, 26, 56, 0.7);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.docs-search input:focus {
  border-color: rgba(156, 140, 242, 0.55);
  box-shadow: 0 0 0 3px rgba(156, 140, 242, 0.12);
}
.docs-search input::placeholder { color: var(--ink-faint); }
.docs-search .s-icon {
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  width: 16px; height: 16px;
  color: var(--ink-faint);
  pointer-events: none;
}
.docs-search kbd.slash {
  position: absolute;
  right: 10px; top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  padding: 1px 7px;
  pointer-events: none;
}
.search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0; right: 0;
  max-height: 60vh;
  overflow-y: auto;
  background: var(--bg-3);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  display: none;
}
.search-results.open { display: block; }
.search-results a {
  display: block;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}
.search-results a:last-child { border-bottom: none; }
.search-results a:hover, .search-results a.sel {
  background: rgba(156, 140, 242, 0.09);
}
.search-results .sr-title { font-size: 14px; font-weight: 600; }
.search-results .sr-title em { font-style: normal; color: var(--gold); }
.search-results .sr-section {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--peri);
}
.search-results .sr-desc {
  font-size: 12.5px;
  color: var(--ink-dim);
  font-weight: 300;
  margin-top: 2px;
}
.search-results .sr-none {
  padding: 18px 16px;
  font-size: 13.5px;
  color: var(--ink-faint);
}
.docs-header .home-link {
  margin-left: auto;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-dim);
  white-space: nowrap;
  transition: color 0.25s ease;
}
.docs-header .home-link:hover { color: var(--gold); }
.menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--ink);
  width: 36px; height: 36px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* ---- Layout ---- */
.docs-layout {
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr);
  max-width: 1440px;
  margin: 0 auto;
  padding-top: 62px;
}

/* ---- Sidebar ---- */
.docs-sidebar {
  position: sticky;
  top: 62px;
  height: calc(100vh - 62px);
  overflow-y: auto;
  padding: 30px 18px 60px 24px;
  border-right: 1px solid var(--line);
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}
.docs-sidebar .sb-section { margin-bottom: 26px; }
.docs-sidebar h5 {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 8px;
  padding-left: 12px;
}
.docs-sidebar a {
  display: block;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 300;
  color: var(--ink-dim);
  border-left: 2px solid transparent;
  border-radius: 0 8px 8px 0;
  transition: color 0.2s ease, background 0.2s ease;
}
.docs-sidebar a:hover { color: var(--ink); background: rgba(240, 236, 249, 0.04); }
.docs-sidebar a.current {
  color: var(--gold);
  font-weight: 500;
  border-left-color: var(--peri);
  background: rgba(156, 140, 242, 0.07);
}

/* ---- Main article ---- */
.doc-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 210px;
  gap: 48px;
  padding: 48px clamp(24px, 4vw, 64px) 90px;
  align-items: start;
}
.doc-article { max-width: 780px; min-width: 0; }

.doc-breadcrumb {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 18px;
}
.doc-breadcrumb b { color: var(--peri); font-weight: 500; }

.doc-article h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(34px, 4.5vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin-bottom: 18px;
}
.doc-article .doc-lede {
  font-size: 18px;
  font-weight: 300;
  color: var(--ink-dim);
  line-height: 1.65;
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}
.doc-article h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 27px;
  letter-spacing: -0.01em;
  margin: 52px 0 16px;
  padding-top: 8px;
  scroll-margin-top: 84px;
}
.doc-article h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 36px 0 12px;
  scroll-margin-top: 84px;
}
.doc-article p {
  font-weight: 300;
  color: #ccc6e2;
  line-height: 1.75;
  margin-bottom: 16px;
}
.doc-article p b, .doc-article p strong, .doc-article li b, .doc-article li strong { color: var(--ink); font-weight: 500; }
.doc-article a:not(.doc-nav-card) {
  color: var(--gold);
  border-bottom: 1px solid rgba(243, 207, 154, 0.35);
  transition: border-color 0.2s ease;
}
.doc-article a:not(.doc-nav-card):hover { border-bottom-color: var(--gold); }
.doc-article ul, .doc-article ol {
  margin: 0 0 18px 22px;
  color: #ccc6e2;
  font-weight: 300;
}
.doc-article li { margin-bottom: 8px; line-height: 1.7; }
.doc-article li::marker { color: var(--peri); }

.doc-article code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: rgba(243, 207, 154, 0.08);
  border: 1px solid rgba(243, 207, 154, 0.14);
  color: var(--gold);
  border-radius: 6px;
  padding: 1.5px 7px;
}
.doc-article pre {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px 22px;
  overflow-x: auto;
  margin: 0 0 22px;
  line-height: 1.65;
}
.doc-article pre code {
  background: none; border: none; padding: 0;
  color: #ccc6e2;
  font-size: 13px;
}
.doc-article kbd {
  font-family: var(--font-mono);
  font-size: 0.8em;
  background: var(--bg-3);
  border: 1px solid var(--line-strong);
  border-bottom-width: 2.5px;
  border-radius: 6px;
  padding: 2px 8px;
  color: var(--ink);
  white-space: nowrap;
}

.doc-article table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 24px;
  font-size: 14px;
}
.doc-article th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 500;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line-strong);
}
.doc-article td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  color: #ccc6e2;
  font-weight: 300;
  vertical-align: top;
}
.doc-article tr:hover td { background: rgba(240, 236, 249, 0.02); }

/* Callouts */
.callout {
  display: flex;
  gap: 14px;
  padding: 16px 20px;
  border-radius: 12px;
  border: 1px solid;
  margin: 0 0 22px;
  font-size: 14.5px;
}
.callout p { margin: 0; font-size: 14.5px; }
.callout p + p { margin-top: 8px; }
.callout .co-icon { flex: none; width: 20px; height: 20px; margin-top: 2px; }
.callout.tip { border-color: rgba(157, 237, 199, 0.25); background: rgba(157, 237, 199, 0.05); }
.callout.tip .co-icon { color: #9dedc7; }
.callout.note { border-color: rgba(138, 216, 255, 0.25); background: rgba(138, 216, 255, 0.05); }
.callout.note .co-icon { color: #8ad8ff; }
.callout.warn { border-color: rgba(243, 207, 154, 0.3); background: rgba(243, 207, 154, 0.06); }
.callout.warn .co-icon { color: var(--gold); }

/* Steps (numbered walkthrough) */
.steps { counter-reset: step; list-style: none; margin: 0 0 24px; }
.steps > li {
  counter-increment: step;
  position: relative;
  padding: 0 0 22px 52px;
  margin: 0;
}
.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0; top: -2px;
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
  border: 1px solid rgba(243, 207, 154, 0.4);
  background: rgba(243, 207, 154, 0.06);
}
.steps > li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 16px; top: 34px; bottom: 4px;
  width: 1px;
  background: var(--line-strong);
}

/* Prev / next */
.doc-footer-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 64px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}
.doc-nav-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 20px;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.doc-nav-card:hover { border-color: rgba(156, 140, 242, 0.45); transform: translateY(-2px); }
.doc-nav-card.next { text-align: right; grid-column: 2; }
.doc-nav-card.prev { grid-column: 1; }
.doc-nav-card .dnc-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.doc-nav-card .dnc-title {
  display: block;
  margin-top: 5px;
  font-size: 15px;
  font-weight: 600;
  color: var(--gold);
}

/* ---- TOC ---- */
.doc-toc {
  position: sticky;
  top: 94px;
  font-size: 12.5px;
}
.doc-toc h6 {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 12px;
  font-weight: 500;
}
.doc-toc a {
  display: block;
  padding: 4px 0 4px 12px;
  color: var(--ink-faint);
  border-left: 1.5px solid var(--line);
  font-weight: 300;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.doc-toc a.h3 { padding-left: 24px; font-size: 12px; }
.doc-toc a:hover { color: var(--ink); }
.doc-toc a.active { color: var(--gold); border-left-color: var(--peri); }

/* ---- Docs home (index) ---- */
.docs-home-hero { padding: 26px 0 10px; }
.docs-home-hero h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(38px, 5vw, 56px);
  letter-spacing: -0.015em;
}
.docs-home-hero h1 em {
  font-style: italic;
  background: var(--grad-glow);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.docs-home-hero p {
  margin-top: 14px;
  max-width: 60ch;
  color: var(--ink-dim);
  font-weight: 300;
  font-size: 17px;
}
.docs-home-grid {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 16px;
}
.dh-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  background: rgba(20, 18, 42, 0.6);
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.dh-card:hover { border-color: rgba(156, 140, 242, 0.4); transform: translateY(-3px); }
.dh-card h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 20px;
  margin-bottom: 6px;
}
.dh-card .dh-kicker {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--peri);
  display: block;
  margin-bottom: 10px;
}
.dh-card p { font-size: 13.5px; color: var(--ink-dim); font-weight: 300; margin: 0 0 14px; }
.dh-card .dh-links { font-size: 13px; }
.dh-card .dh-links a {
  display: block;
  padding: 4px 0;
  color: #ccc6e2;
  font-weight: 300;
  border: none;
  transition: color 0.2s ease;
}
.dh-card .dh-links a:hover { color: var(--gold); }
.dh-card .dh-links a::before { content: "→ "; color: var(--peri); }

/* ---- Mobile drawer scrim ---- */
.docs-scrim {
  position: fixed;
  inset: 62px 0 0 0;
  z-index: 140;
  background: rgba(13, 12, 29, 0.55);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.docs-scrim.show { opacity: 1; pointer-events: auto; }

/* ---- Responsive ---- */
@media (max-width: 1160px) {
  .doc-main { grid-template-columns: 1fr; }
  .doc-toc { display: none; }
}
@media (max-width: 860px) {
  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar {
    position: fixed;
    left: 0; top: 62px;
    width: min(300px, 85vw);
    background: var(--bg-2);
    z-index: 150;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    box-shadow: 30px 0 60px rgba(0,0,0,0.4);
  }
  .docs-sidebar.open { transform: translateX(0); }
  .menu-btn { display: flex; flex: none; }
  .docs-header { padding: 0 14px; gap: 12px; }
  .docs-header .home-link { display: none; }
  .doc-footer-nav { grid-template-columns: 1fr; }
  .doc-nav-card.next { grid-column: 1; }

  /* Maximize content width */
  .doc-main { padding: 28px 18px 70px; gap: 0; }
  .doc-article .doc-lede {
    font-size: 16.5px;
    margin-bottom: 30px;
    padding-bottom: 24px;
  }
  .doc-article h2 { font-size: 23px; margin: 42px 0 14px; }
  .doc-article pre { padding: 14px 16px; border-radius: 10px; }
  .doc-article ul, .doc-article ol { margin-left: 18px; }
  .steps > li { padding-left: 42px; }
  .steps > li::before { width: 28px; height: 28px; font-size: 12px; }
  .steps > li:not(:last-child)::after { left: 14px; top: 30px; }
  .callout { padding: 13px 14px; gap: 11px; }

  /* Tables scroll inside themselves instead of stretching the page */
  .doc-article table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .doc-article th, .doc-article td { white-space: normal; min-width: 120px; }
}
@media (max-width: 520px) {
  /* Give the search field the header: icon + tag only for the brand */
  .docs-header .brand { font-size: 0; gap: 6px; }
  .docs-header .brand .docs-tag { margin-left: 0; }
  .docs-search input { font-size: 16px; /* prevents iOS zoom-on-focus */ }
  .docs-search kbd.slash { display: none; }
  .doc-main { padding: 22px 14px 60px; }
  .doc-article h1 { font-size: 29px; }
}