:root {
  --docs-bg: #fafbfc;
  --docs-surface: #ffffff;
  --docs-text: #0f172a;
  --docs-muted: #64748b;
  --docs-border: #e2e8f0;
  --docs-accent: #d32f2f;
  --docs-code-bg: #f1f5f9;
  --docs-side-w: 260px;
  --docs-top-h: 64px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.docs-app {
  margin: 0;
  padding-top: var(--docs-top-h);
  font-family: Inter, system-ui, sans-serif;
  color: var(--docs-text);
  background: var(--docs-bg);
  line-height: 1.6;
}

.docs-layout {
  display: grid;
  grid-template-columns: var(--docs-side-w) 1fr;
  max-width: 1200px;
  margin: 0 auto;
}

.docs-side {
  position: sticky;
  top: var(--docs-top-h);
  height: calc(100vh - var(--docs-top-h));
  overflow-y: auto;
  padding: 24px 16px 40px 24px;
  border-right: 1px solid var(--docs-border);
}

.docs-side-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--docs-muted);
  margin: 0 0 12px 8px;
}

.docs-link {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--docs-muted);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 2px;
}

.docs-link:hover,
.docs-link.is-active {
  color: var(--docs-text);
  background: #fff;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}

.docs-main {
  padding: 40px 48px 80px;
  min-width: 0;
}

.docs-article {
  margin-bottom: 56px;
  scroll-margin-top: calc(var(--docs-top-h) + 16px);
}

.docs-eyebrow {
  font-size: 0.82rem;
  color: var(--docs-accent);
  font-weight: 600;
  margin: 0 0 8px;
}

.docs-main h1 {
  font-size: 2.4rem;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
  line-height: 1.15;
}

.docs-main h2 {
  font-size: 1.55rem;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  padding-top: 8px;
  border-top: 1px solid var(--docs-border);
}

.docs-main h3 {
  font-size: 1.12rem;
  letter-spacing: -0.01em;
  margin: 28px 0 10px;
  color: var(--docs-text);
}

.docs-article:first-of-type h2 {
  border-top: none;
}

.docs-lead {
  font-size: 1.12rem;
  color: var(--docs-muted);
  max-width: 62ch;
  margin: 0 0 28px;
}

.docs-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}

.docs-card {
  display: block;
  padding: 18px;
  background: var(--docs-surface);
  border: 1px solid var(--docs-border);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.docs-card:hover {
  border-color: var(--docs-accent);
  box-shadow: 0 4px 20px rgba(211, 47, 47, 0.08);
}

.docs-card strong {
  display: block;
  margin-bottom: 4px;
}

.docs-card span {
  font-size: 0.88rem;
  color: var(--docs-muted);
}

.docs-steps {
  padding-left: 1.2rem;
}

.docs-steps li {
  margin-bottom: 10px;
}

.docs-callout {
  margin-top: 20px;
  padding: 14px 16px;
  background: #fff8f8;
  border: 1px solid #fecaca;
  border-radius: 10px;
  font-size: 0.92rem;
}

pre {
  background: var(--docs-code-bg);
  border: 1px solid var(--docs-border);
  border-radius: 10px;
  padding: 14px 16px;
  overflow-x: auto;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.84rem;
  line-height: 1.5;
}

code {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.86em;
  background: var(--docs-code-bg);
  padding: 0.12em 0.35em;
  border-radius: 4px;
}

pre code {
  background: none;
  padding: 0;
}

.docs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.docs-table th,
.docs-table td {
  border: 1px solid var(--docs-border);
  padding: 10px 12px;
  text-align: left;
}

.docs-table th {
  background: var(--docs-surface);
}

details {
  border: 1px solid var(--docs-border);
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 10px;
  background: var(--docs-surface);
}

summary {
  cursor: pointer;
  font-weight: 600;
}

@media (max-width: 900px) {
  .docs-layout {
    grid-template-columns: 1fr;
  }

  .docs-side {
    display: flex;
    position: sticky;
    top: var(--docs-top-h);
    height: auto;
    max-height: none;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    padding: 12px 16px;
    gap: 6px;
    border-right: none;
    border-bottom: 1px solid var(--docs-border);
    flex-wrap: nowrap;
    scrollbar-width: thin;
  }

  .docs-side-label {
    display: none;
  }

  .docs-link {
    display: inline-flex;
    flex-shrink: 0;
    white-space: nowrap;
    margin-bottom: 0;
    padding: 8px 14px;
    font-size: 0.85rem;
  }

  .docs-main {
    padding: 24px 20px 60px;
  }

  .docs-main h1 {
    font-size: clamp(1.75rem, 7vw, 2.2rem);
  }

  .docs-main h2 {
    font-size: 1.35rem;
  }

  pre,
  .docs-code {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
  }

  table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
  }
}

@media (max-width: 560px) {
  .docs-main {
    padding: 20px 16px 48px;
  }

  .docs-lead {
    font-size: 1rem;
  }
}