/* ─────────────────────────────────────────────────────────────
   gip — light theme
   Warm neutral palette with amber/orange accent
   ───────────────────────────────────────────────────────────── */

:root {
  /* neutrals */
  --stone-950: #1c1917;
  --stone-800: #292524;
  --stone-700: #44403c;
  --stone-600: #57534e;
  --stone-500: #78716c;
  --stone-400: #a8a29e;
  --stone-300: #d6d3d1;
  --stone-200: #e7e5e4;
  --stone-100: #f5f5f4;
  --stone-50:  #fafaf9;

  /* accents */
  --orange:    #c2410c;   /* burned orange — primary accent */
  --orange-lt: #ea580c;
  --blue:      #1d4ed8;
  --blue-lt:   #2563eb;
  --green:     #15803d;
  --red:       #b91c1c;
  --yellow:    #a16207;
  --violet:    #6d28d9;
  --violet:    #6d28d9;

  /* semantic */
  --bg:         #faf9f6;     /* warm off-white */
  --bg-2:       #f2f0eb;     /* sidebar */
  --panel:      #ebe7e1;     /* panels, topbar */
  --rule:       #ddd9d3;     /* borders */
  --rule-soft:  #e8e4de;
  --text:       var(--stone-800);
  --text-dim:   var(--stone-600);
  --text-mute:  var(--stone-400);
  --accent:     var(--orange);
  --accent-2:   var(--blue);

  --mono: 'JetBrains Mono', 'IBM Plex Mono', 'SF Mono', ui-monospace, Menlo, Consolas, monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --radius:    4px;
  --radius-lg: 6px;
  --shadow:    0 1px 3px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--bg); }

body {
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

::selection { background: var(--orange); color: #fff; }

/* ── Layout ──────────────────────────────────────────── */

.app {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────── */

.sb {
  background: var(--bg-2);
  border-right: 1px solid var(--rule);
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--mono);
  overflow-y: auto;
}

.sb-brand {
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.sb-logo-text {
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -.03em;
}

.sb-logo-sub {
  font-family: var(--sans);
  font-size: 11px;
  color: var(--text-mute);
  font-weight: 400;
}

.sb-tag {
  padding: 8px 20px 12px;
  color: var(--text-mute);
  font-size: 11px;
  border-bottom: 1px solid var(--rule);
  font-family: var(--sans);
  line-height: 1.5;
}

.sb-section { padding: 12px 0 6px; }
.sb-section + .sb-section { border-top: 1px solid var(--rule-soft); }

.sb-heading {
  padding: 0 20px 5px;
  color: var(--text-mute);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.sb-nav { display: flex; flex-direction: column; }

.sb-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 20px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13px;
  border-left: 2px solid transparent;
  transition: color .12s, background .12s, border-color .12s;
}

.sb-nav a:hover {
  color: var(--text);
  background: rgba(194,65,12,.06);
  border-left-color: var(--rule);
}

.sb-nav a.is-active {
  color: var(--accent);
  background: rgba(194,65,12,.08);
  border-left-color: var(--accent);
  font-weight: 500;
}

.sb-nav a .num {
  color: var(--text-mute);
  font-size: 11px;
  width: 20px;
  text-align: right;
  flex-shrink: 0;
}

.sb-nav a.is-active .num { color: var(--accent); opacity: .6; }

.sb-foot {
  margin-top: auto;
  padding: 12px 20px 16px;
  border-top: 1px solid var(--rule);
  font-size: 11px;
  color: var(--text-mute);
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.sb-foot .row { display: flex; align-items: center; gap: 7px; }

/* ── Status dot ──────────────────────────────────────── */

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  display: inline-block;
  flex-shrink: 0;
}

.dot.warn { background: var(--yellow); }
.dot.err  { background: var(--red); }

/* ── Topbar ──────────────────────────────────────────── */

.tb {
  height: 38px;
  background: var(--panel);
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-mute);
  position: sticky;
  top: 0;
  z-index: 10;
}

.tb .crumbs { display: flex; align-items: center; gap: 8px; }
.tb .crumbs .sep { color: var(--rule); }
.tb .crumbs .leaf { color: var(--text-dim); }
.tb .spacer { flex: 1; }
.tb .meta { display: flex; gap: 14px; }
.tb .meta span { display: flex; align-items: center; gap: 6px; }

/* ── Main column ─────────────────────────────────────── */

.main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}

.content {
  padding: 36px 56px 80px;
  max-width: 900px;
  width: 100%;
}

/* ── Typography ──────────────────────────────────────── */

h1, h2, h3, h4 {
  font-family: var(--mono);
  color: var(--stone-800);
  letter-spacing: -.01em;
  font-weight: 600;
}

h1 {
  font-size: 28px;
  line-height: 1.2;
  margin-bottom: 14px;
  color: var(--stone-950);
}

h1::before {
  content: "$";
  color: var(--accent);
  margin-right: 8px;
  font-weight: 500;
}

h2 {
  font-size: 17px;
  margin: 36px 0 10px;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: baseline;
  gap: 10px;
  color: var(--stone-700);
}

h2::before {
  content: "##";
  color: var(--text-mute);
  font-weight: 400;
  font-size: 13px;
}

h3 {
  font-size: 14px;
  margin: 22px 0 6px;
  color: var(--stone-700);
}

h3::before {
  content: "###";
  color: var(--text-mute);
  margin-right: 8px;
  font-weight: 400;
}

h4 {
  font-size: 13px;
  margin: 16px 0 4px;
  color: var(--text-dim);
}

p {
  margin-bottom: 12px;
  color: var(--text);
  text-wrap: pretty;
  line-height: 1.7;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dotted rgba(194,65,12,.4);
  transition: color .12s, border-color .12s;
}

a:hover { color: var(--blue); border-bottom-color: var(--blue); }

/* inline code */
:not(pre) > code {
  font-family: var(--mono);
  font-size: .87em;
  background: var(--stone-100);
  border: 1px solid var(--stone-200);
  border-radius: 3px;
  padding: 1px 6px;
  color: var(--orange);
}

/* code blocks */
pre {
  font-family: var(--mono);
  background: var(--stone-950);
  color: #d4cfca;
  border: 1px solid var(--stone-800);
  border-radius: var(--radius-lg);
  padding: 16px 20px 16px 52px;
  font-size: 13px;
  line-height: 1.65;
  overflow-x: auto;
  margin: 12px 0 18px;
  position: relative;
  box-shadow: var(--shadow);
}

pre::before {
  content: "$";
  position: absolute;
  top: 15px;
  left: 18px;
  color: var(--orange-lt);
  font-weight: 600;
  font-size: 13px;
}

pre.language-yaml::before, pre.yaml::before  { content: "yaml"; font-size: 10px; letter-spacing: .08em; color: var(--text-mute); top: 13px; }
pre.language-json::before, pre.json::before  { content: "json"; font-size: 10px; letter-spacing: .08em; color: var(--text-mute); top: 13px; }
pre.language-text::before, pre.text::before  { content: "·"; color: #6b6560; font-weight: 400; }
pre.language-out::before,  pre.out::before   { content: "›"; color: #6b6560; font-weight: 400; }

/* Chroma syntax highlighting (dark pre) */
.highlight .nb, .highlight .nf { color: #7ec8a0; }   /* builtins, functions → green */
.highlight .na { color: #7ecac4; }                     /* attributes → teal */
.highlight .s, .highlight .s1, .highlight .s2 { color: #e8a87c; }  /* strings → amber */
.highlight .c, .highlight .c1 { color: #7a7068; font-style: italic; }  /* comments */
.highlight .k, .highlight .nt { color: #89b4e8; }     /* keywords, tags → blue */
.highlight .m, .highlight .mi { color: #c9a0dc; }     /* numbers → violet */
.highlight pre { padding-left: 20px; }
.highlight pre::before { display: none; }

/* tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0 22px;
  font-size: 13.5px;
}

th {
  text-align: left;
  padding: 8px 14px;
  color: var(--text-mute);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  border-bottom: 2px solid var(--rule);
  background: var(--stone-100);
}

td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--rule-soft);
  color: var(--text-dim);
  vertical-align: top;
  line-height: 1.5;
}

td code { color: var(--accent); }

tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(194,65,12,.03); }

/* lists */
ul, ol { padding-left: 22px; margin-bottom: 14px; }
li { margin-bottom: 5px; color: var(--text); }
li::marker { color: var(--accent); }
ul li::marker { content: "› "; }

blockquote {
  border-left: 3px solid var(--accent);
  padding: 10px 18px;
  background: rgba(194,65,12,.04);
  margin: 16px 0;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 14px;
  color: var(--text-dim);
}

blockquote p:last-child { margin: 0; }

hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 28px 0;
}

/* ── Buttons ─────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 13px;
  padding: 8px 16px;
  border: 1px solid var(--rule);
  background: #fff;
  color: var(--text);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color .12s, color .12s, box-shadow .12s, transform .06s;
  text-decoration: none;
  box-shadow: 0 1px 2px rgba(0,0,0,.06);
}

.btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 1px 4px rgba(194,65,12,.12);
}

.btn:active { transform: translateY(1px); }

.btn.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: 600;
  box-shadow: 0 2px 6px rgba(194,65,12,.25);
}

.btn.primary:hover {
  background: var(--orange-lt);
  border-color: var(--orange-lt);
  color: #fff;
  box-shadow: 0 2px 8px rgba(234,88,12,.3);
}

.btn .arrow { transition: transform .15s; display: inline-block; }
.btn:hover .arrow { transform: translateX(2px); }

/* ── Badges ──────────────────────────────────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  padding: 2px 9px;
  border-radius: 999px;
  border: 1px solid var(--rule);
  color: var(--text-dim);
  background: #fff;
  letter-spacing: .04em;
}

.badge.ok   { color: var(--green);  border-color: rgba(21,128,61,.3);  background: rgba(21,128,61,.06); }
.badge.warn { color: var(--yellow); border-color: rgba(161,98,7,.3);   background: rgba(161,98,7,.06); }
.badge.info { color: var(--blue);   border-color: rgba(29,78,216,.3);  background: rgba(29,78,216,.06); }

/* ── TOC ─────────────────────────────────────────────── */

.toc-callout {
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  background: var(--stone-100);
  padding: 14px 18px;
  margin: 18px 0 26px;
  font-family: var(--mono);
  font-size: 12.5px;
}

.toc-callout .toc-h {
  color: var(--text-mute);
  letter-spacing: .12em;
  font-size: 10px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.toc-callout a { color: var(--text-dim); border: none; }
.toc-callout a:hover { color: var(--accent); }

.toc-callout nav#TableOfContents > ul {
  list-style: none;
  counter-reset: toc-counter;
  padding: 0;
}

.toc-callout nav#TableOfContents > ul > li {
  counter-increment: toc-counter;
  margin-bottom: 5px;
}

.toc-callout nav#TableOfContents > ul > li > a {
  color: var(--text-dim);
  text-decoration: none;
  border: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc-callout nav#TableOfContents > ul > li > a:hover { color: var(--accent); }

.toc-callout nav#TableOfContents > ul > li > a::before {
  content: counter(toc-counter, decimal-leading-zero);
  color: var(--accent);
  font-size: 11px;
  flex-shrink: 0;
}

.toc-callout nav#TableOfContents ul ul { display: none; }

/* ── Doc meta ────────────────────────────────────────── */

.doc-meta {
  display: flex;
  gap: 16px;
  align-items: center;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-mute);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule-soft);
  margin-bottom: 20px;
}

/* ── Landing page hero ───────────────────────────────── */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  margin: 8px 0 56px;
}

@media (min-width: 1240px) {
  .hero { grid-template-columns: 360px minmax(0, 1fr); align-items: start; }
}

.hero-head { display: flex; flex-direction: column; gap: 16px; padding-top: 8px; }
.kbar { display: flex; gap: 6px; flex-wrap: wrap; }

.hero-head h1 {
  font-size: 28px;
  line-height: 1.2;
  font-weight: 700;
  text-wrap: balance;
  color: var(--stone-950);
}

.prompt { color: var(--accent); margin-right: 4px; }

.lede {
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
  max-width: 54ch;
}

.lede strong { color: var(--text); font-weight: 600; }
.lede code {
  font-family: var(--mono);
  font-size: .88em;
  background: var(--stone-100);
  border: 1px solid var(--stone-200);
  border-radius: 3px;
  padding: 1px 5px;
  color: var(--orange);
}

.cta { display: flex; gap: 10px; flex-wrap: wrap; }

.meta-line {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-mute);
}

.meta-line span { display: flex; align-items: center; gap: 6px; }

/* Terminal demo window */
.hero-diagram { min-width: 0; }

.dwin {
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--stone-950);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.dwin-tb {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--stone-800);
  background: #111110;
  font-family: var(--mono);
  font-size: 11px;
  color: #6b6560;
}

.dwin-tb .dots { display: flex; gap: 6px; }
.dwin-tb .dots i {
  width: 10px; height: 10px;
  border-radius: 50%;
  display: inline-block;
}
.dwin-tb .dots i:nth-child(1) { background: #e05252; opacity: .7; }
.dwin-tb .dots i:nth-child(2) { background: #e0a952; opacity: .7; }
.dwin-tb .dots i:nth-child(3) { background: #7ec86a; opacity: .7; }

.dwin-title { color: #a09890; font-size: 12px; }
.dwin-spacer { flex: 1; }
.dwin-meta { color: #5a5550; }
.dwin-body { padding: 16px; }
.dwin-body pre {
  margin: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  padding: 0;
  color: #c4bfba;
}
.dwin-body pre::before { display: none; }

/* ── Features grid ───────────────────────────────────── */

.pillars { margin: 48px 0; }

.section-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.section-label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: .12em;
  font-weight: 500;
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

@media (max-width: 720px) {
  .pillar-grid { grid-template-columns: 1fr; }
}

.pillar {
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color .15s, box-shadow .15s;
}

.pillar:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 12px rgba(194,65,12,.08);
}

.pillar-head { display: flex; align-items: center; gap: 12px; }

.pillar-tag {
  font-family: var(--mono);
  font-size: 11px;
  border: 1px solid currentColor;
  padding: 2px 8px;
  border-radius: 3px;
  letter-spacing: .1em;
  flex-shrink: 0;
}

.pillar-title {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--stone-800);
  font-weight: 600;
}

.pillar p { font-size: 13.5px; color: var(--text-dim); margin: 0; line-height: 1.6; }

.pillar-mono {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--orange);
  background: var(--stone-100);
  border: 1px solid var(--stone-200);
  border-radius: 3px;
  padding: 6px 10px;
  display: block;
  overflow-x: auto;
  white-space: nowrap;
}

/* ── Footer ──────────────────────────────────────────── */

.foot {
  margin-top: 64px;
  border-top: 1px solid var(--rule);
  padding: 32px 0 16px;
}

.foot-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 28px;
}

@media (max-width: 720px) {
  .foot-grid { grid-template-columns: 1fr 1fr; }
}

.foot-brand {
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 6px;
  letter-spacing: -.02em;
}

.foot-brand .muted {
  font-size: 12px;
  font-weight: 400;
  color: var(--text-mute);
}

.foot-desc { font-size: 13px; color: var(--text-mute); line-height: 1.6; margin-top: 4px; }

.foot-h {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--text-mute);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.foot a {
  display: block;
  font-size: 13px;
  color: var(--text-dim);
  text-decoration: none;
  border: none;
  padding: 3px 0;
  transition: color .12s;
}

.foot a:hover { color: var(--accent); }

.foot-bottom {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--rule-soft);
  margin-top: 24px;
  padding-top: 14px;
  font-size: 12px;
  color: var(--text-mute);
  font-family: var(--mono);
}

/* ── Utilities ───────────────────────────────────────── */

.mono  { font-family: var(--mono); }
.muted { color: var(--text-mute); }
.dim   { color: var(--text-dim); }
.fg-orange  { color: var(--orange); }
.fg-blue    { color: var(--blue); }
.fg-green   { color: var(--green); }

/* scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--stone-100); }
::-webkit-scrollbar-thumb { background: var(--stone-300); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--stone-400); }

/* ── Responsive ──────────────────────────────────────── */

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sb { position: relative; height: auto; }
  .content { padding: 24px 20px 60px; }
}