:root {
  --bg: #0e1014;
  --surface: #171b22;
  --surface-soft: #1f2430;
  --surface-strong: #242b38;
  --line: #313847;
  --text: #ecf1f7;
  --text-muted: #aab4c3;
  --accent: #ff8a2a;
  --accent-soft: #ffd6b3;
  --blue-soft: #8fc9ff;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: 'IBM Plex Sans', 'Avenir Next', 'Segoe UI', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 10%, rgba(255, 138, 42, 0.14), transparent 28%),
    radial-gradient(circle at 88% 88%, rgba(52, 152, 219, 0.1), transparent 34%),
    var(--bg);
  padding: 2rem 1rem;
  line-height: 1.5;
}

.docsShell {
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  display: grid;
  gap: 0.9rem;
}

.docsHero {
  background:
    radial-gradient(circle at 90% 20%, rgba(255, 138, 42, 0.15), transparent 36%),
    linear-gradient(180deg, #1a1d22 0%, #14171b 100%);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.3rem;
  display: grid;
  gap: 0.8rem;
}

.heroStats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
}

.heroStats div {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(15, 18, 24, 0.72);
  padding: 0.62rem 0.7rem;
  display: grid;
  gap: 0.16rem;
}

.heroStats strong {
  font-size: 0.78rem;
  font-family: 'IBM Plex Mono', 'Cascadia Mono', monospace;
  color: var(--accent-soft);
}

.heroStats span {
  font-size: 0.8rem;
  color: #cfd7e3;
}

.eyebrow {
  font-family: 'IBM Plex Mono', 'Cascadia Mono', monospace;
  font-size: 0.72rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.docsHero h1 {
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  line-height: 1.15;
}

.docsHero p {
  color: #d2d8e1;
  max-width: 72ch;
  line-height: 1.6;
}

.layoutGrid {
  display: grid;
  grid-template-columns: 220px repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.tocCard {
  position: sticky;
  top: 1rem;
  align-self: start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.9rem;
  display: grid;
  gap: 0.6rem;
}

.tocCard h2 {
  font-size: 0.95rem;
}

.tocCard nav {
  display: grid;
  gap: 0.4rem;
}

.tocCard a {
  text-decoration: none;
  color: var(--blue-soft);
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0.3rem 0.45rem;
  font-size: 0.82rem;
}

.tocCard a:hover {
  border-color: var(--line);
  color: var(--accent-soft);
  background: rgba(143, 201, 255, 0.06);
}

.docsCard {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
  display: grid;
  gap: 0.65rem;
}

.docsCard h2 {
  font-size: 1rem;
}

.docsCard h3 {
  font-size: 0.9rem;
}

.docsCard ul {
  margin-left: 1rem;
  display: grid;
  gap: 0.45rem;
  color: #cfd6e0;
}

.hintText {
  color: var(--text-muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

.docsCard pre {
  border: 1px solid var(--line);
  background: #101217;
  border-radius: 10px;
  padding: 0.8rem;
  overflow-x: auto;
}

.docsCard code {
  font-family: 'IBM Plex Mono', 'Cascadia Mono', monospace;
  font-size: 0.8rem;
  color: #dfe5ed;
  line-height: 1.55;
}

.docsWide {
  width: 100%;
}

.chipRow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.chip {
  border: 1px solid #43506a;
  background: rgba(143, 201, 255, 0.08);
  color: #d8ebff;
  border-radius: 999px;
  padding: 0.28rem 0.58rem;
  font-size: 0.76rem;
  font-family: 'IBM Plex Mono', 'Cascadia Mono', monospace;
}

.flowList {
  margin-left: 1.1rem;
  display: grid;
  gap: 0.45rem;
  color: #d4dce8;
}

.tableWrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
}

thead {
  background: var(--surface-strong);
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 0.62rem 0.68rem;
  text-align: left;
}

tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.endpointList {
  display: grid;
  gap: 0.6rem;
}

.endpointItem {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.75rem;
  background: var(--surface-soft);
}

.endpointItem strong {
  font-family: 'IBM Plex Mono', 'Cascadia Mono', monospace;
  font-size: 0.82rem;
  color: var(--accent-soft);
}

.endpointItem p {
  margin-top: 0.35rem;
  color: var(--text-muted);
  line-height: 1.5;
  font-size: 0.86rem;
}

.troubleGrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
}

.troubleGrid article {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-soft);
  padding: 0.68rem;
  display: grid;
  gap: 0.3rem;
}

.troubleGrid p {
  font-size: 0.84rem;
  color: var(--text-muted);
}

.glossary {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 0.45rem 0.8rem;
}

.glossary dt {
  color: var(--accent-soft);
  font-family: 'IBM Plex Mono', 'Cascadia Mono', monospace;
  font-size: 0.8rem;
}

.glossary dd {
  color: #d3dbe7;
  font-size: 0.86rem;
}

@media (max-width: 768px) {
  body {
    padding: 1rem 0.65rem;
  }

  .heroStats {
    grid-template-columns: 1fr;
  }

  .layoutGrid {
    grid-template-columns: 1fr;
  }

  .tocCard {
    position: static;
  }

  .troubleGrid {
    grid-template-columns: 1fr;
  }

  .glossary {
    grid-template-columns: 1fr;
  }
}