/* ============================================================
   CHI-Cargo Business Partner API — documentation styles
   Brand color: #CE0538 (CHI crimson)
   ============================================================ */

:root {
  --chi-red: #ce0538;
  --chi-red-dark: #a30430;
  --chi-red-soft: #fdeef2;
  --ink: #1c2127;
  --body: #3a424c;
  --muted: #6b7480;
  --bg: #ffffff;
  --bg-alt: #f7f8fa;
  --sidebar-bg: #14181d;
  --sidebar-ink: #c7ced8;
  --sidebar-muted: #828c99;
  --border: #e6e9ee;
  --code-bg: #1c2127;
  --code-ink: #e7ebf0;
  --shadow: 0 1px 2px rgba(16, 23, 32, 0.06), 0 4px 16px rgba(16, 23, 32, 0.06);
  --radius: 12px;
  --sidebar-w: 290px;
  --content-max: 920px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 24px; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--body);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--chi-red); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------------- Layout ---------------- */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  background: var(--sidebar-bg);
  color: var(--sidebar-ink);
  position: sticky;
  top: 0;
  align-self: flex-start;
  height: 100vh;
  overflow-y: auto;
  padding: 0 0 40px;
}

.content {
  flex: 1 1 auto;
  min-width: 0;
  padding: 56px 64px 120px;
  display: flex;
  justify-content: center;
}
.content-inner { width: 100%; max-width: var(--content-max); }

/* ---------------- Sidebar brand ---------------- */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 22px 18px;
  position: sticky;
  top: 0;
  background: linear-gradient(180deg, #14181d 70%, rgba(20, 24, 29, 0));
  z-index: 2;
}
.brand img { height: 34px; width: auto; display: block; }
.brand .brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand .brand-title { color: #fff; font-weight: 700; font-size: 14px; letter-spacing: 0.2px; }
.brand .brand-sub { color: var(--sidebar-muted); font-size: 11px; text-transform: uppercase; letter-spacing: 1.2px; }

.nav { padding: 6px 14px; }
.nav .nav-group { margin: 14px 0 4px; }
.nav .nav-group-title {
  color: var(--sidebar-muted);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 8px 10px 4px;
}
.nav a {
  display: block;
  color: var(--sidebar-ink);
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 14px;
  border-left: 2px solid transparent;
}
.nav a:hover { background: rgba(255, 255, 255, 0.05); text-decoration: none; color: #fff; }
.nav a.active {
  color: #fff;
  background: rgba(206, 5, 56, 0.16);
  border-left-color: var(--chi-red);
  font-weight: 600;
}

/* ---------------- Mobile top bar ---------------- */
.topbar {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: #fff;
  z-index: 40;
}
.topbar img { height: 28px; }
.topbar .topbar-title { font-weight: 700; color: var(--ink); font-size: 14px; }
.menu-btn {
  margin-left: auto;
  background: var(--chi-red);
  color: #fff;
  border: 0;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 14px;
  cursor: pointer;
}

/* ---------------- Hero ---------------- */
.hero {
  background: radial-gradient(1200px 400px at 0% -10%, rgba(206, 5, 56, 0.10), transparent 60%);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 38px 38px 32px;
  margin-bottom: 36px;
}
.hero .eyebrow {
  color: var(--chi-red);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.hero h1 { font-size: 34px; line-height: 1.15; margin: 0 0 12px; color: var(--ink); letter-spacing: -0.5px; }
.hero p.lead { font-size: 18px; color: var(--muted); margin: 0; max-width: 70ch; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }

/* ---------------- Typography ---------------- */
h2 {
  font-size: 26px;
  color: var(--ink);
  margin: 52px 0 14px;
  padding-top: 8px;
  letter-spacing: -0.3px;
  scroll-margin-top: 20px;
}
h3 { font-size: 20px; color: var(--ink); margin: 32px 0 10px; scroll-margin-top: 20px; }
h4 { font-size: 16px; color: var(--ink); margin: 22px 0 8px; text-transform: none; }
h2 + p, h3 + p { margin-top: 0; }
p { margin: 0 0 16px; }
ul, ol { margin: 0 0 16px; padding-left: 22px; }
li { margin: 4px 0; }
hr { border: 0; border-top: 1px solid var(--border); margin: 44px 0; }

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--chi-red);
  margin-bottom: 4px;
}

/* ---------------- Badges & pills ---------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--body);
  white-space: nowrap;
}
.badge.red { background: var(--chi-red-soft); border-color: #f6cdda; color: var(--chi-red-dark); }
.badge.green { background: #e9f7ef; border-color: #c5ebd4; color: #1c7a47; }
.badge.amber { background: #fdf3e3; border-color: #f3dcb0; color: #9a6700; }
.badge.gray { background: #eef1f5; border-color: #e0e5ec; color: #5a6470; }

.method {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 13px;
  background: var(--chi-red);
  color: #fff;
  padding: 4px 10px;
  border-radius: 6px;
  letter-spacing: 0.5px;
}
.endpoint {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  background: var(--code-bg);
  color: var(--code-ink);
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 15px;
  margin: 8px 0 20px;
}
.endpoint .path { color: #fff; }

/* ---------------- Callouts ---------------- */
.callout {
  border: 1px solid var(--border);
  border-left: 4px solid var(--muted);
  background: var(--bg-alt);
  border-radius: 10px;
  padding: 14px 18px;
  margin: 18px 0;
}
.callout .callout-title { font-weight: 700; margin-bottom: 4px; display: flex; align-items: center; gap: 8px; }
.callout p:last-child { margin-bottom: 0; }
.callout.note { border-left-color: #2f6fed; background: #eef4ff; }
.callout.note .callout-title { color: #1d4ed8; }
.callout.tip { border-left-color: #1c7a47; background: #ecf8f1; }
.callout.tip .callout-title { color: #1c7a47; }
.callout.warn { border-left-color: #c98a00; background: #fdf6e7; }
.callout.warn .callout-title { color: #946400; }
.callout.internal { border-left-color: var(--chi-red); background: var(--chi-red-soft); }
.callout.internal .callout-title { color: var(--chi-red-dark); }

/* ---------------- Code ---------------- */
pre {
  background: var(--code-bg);
  color: var(--code-ink);
  border-radius: 12px;
  padding: 18px 20px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.6;
  margin: 0 0 18px;
}
code { font-family: var(--mono); font-size: 0.88em; }
:not(pre) > code {
  background: var(--chi-red-soft);
  color: var(--chi-red-dark);
  padding: 2px 6px;
  border-radius: 5px;
  font-weight: 500;
}
pre code { background: none; color: inherit; padding: 0; font-weight: 400; }
/* keep our dark panel background; let highlight.js handle token colors only */
.hljs { background: transparent !important; padding: 0 !important; }

.code-block { position: relative; margin: 0 0 20px; }
.code-block .code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #11151a;
  color: #9aa4b1;
  border-radius: 12px 12px 0 0;
  padding: 8px 14px;
  font-size: 12px;
  font-family: var(--mono);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.code-block .code-head + pre { border-radius: 0 0 12px 12px; margin: 0; }
.copy-btn {
  background: rgba(255, 255, 255, 0.08);
  color: #cdd5df;
  border: 0;
  border-radius: 6px;
  padding: 3px 9px;
  font-size: 11px;
  cursor: pointer;
  font-family: var(--font);
}
.copy-btn:hover { background: rgba(255, 255, 255, 0.16); color: #fff; }

/* ---------------- Tables ---------------- */
.table-wrap { overflow-x: auto; margin: 0 0 20px; border: 1px solid var(--border); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: var(--bg-alt); font-weight: 600; color: var(--ink); }
tr:last-child td { border-bottom: 0; }
td code { white-space: nowrap; }

/* ---------------- Cards ---------------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin: 8px 0 24px; }
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  background: #fff;
  box-shadow: var(--shadow);
}
.card h4 { margin: 0 0 6px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.card .card-kicker { font-size: 12px; font-weight: 700; color: var(--chi-red); text-transform: uppercase; letter-spacing: 1px; }

/* ---------------- Use case block ---------------- */
.usecase {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 4px 24px 8px;
  margin: 22px 0;
  background: #fff;
  box-shadow: var(--shadow);
}
.usecase > h3:first-child { margin-top: 20px; }
.objects-line { display: flex; flex-wrap: wrap; gap: 8px; margin: 6px 0 14px; }

.mermaid { margin: 8px 0 24px; text-align: center; }

footer.docs-footer {
  border-top: 1px solid var(--border);
  margin-top: 60px;
  padding-top: 24px;
  color: var(--muted);
  font-size: 14px;
}

/* ---------------- Responsive ---------------- */
@media (max-width: 1024px) {
  .content { padding: 40px 36px 100px; }
}
@media (max-width: 860px) {
  .topbar { display: flex; }
  .sidebar {
    position: fixed;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.4);
  }
  .sidebar.open { transform: translateX(0); }
  .content { padding: 28px 20px 80px; }
  .hero { padding: 26px 22px; }
  .hero h1 { font-size: 27px; }
}