/* TenkaCloud developer docs — landing-design content pages (Issue #2433).
   Self-contained like legal-pages.css, but aligned to the landing design system:
   the ink palette, Inter + Noto Sans JP + JetBrains Mono, 10px radius. Loaded by
   the generated pages under landing/docs/ (scripts/landing/generate-landing-docs.ts). */

:root {
  --ink: #07111f;
  --ink-2: #263241;
  --ink-3: #5d6877;
  --ink-4: #8a94a3;
  --blue: #0969da;
  --green: #008a55;
  --line: #d9dee8;
  --line-soft: #edf0f5;
  --paper: #ffffff;
  --paper-2: #fbfcfe;
  --paper-3: #f5f7fb;
  --font-sans: "Inter", "Noto Sans JP", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
  --w: 1160px;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-2);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.85;
}

.wrap { max-width: var(--w); margin: 0 auto; padding: 0 24px; }

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

/* Top bar — same lightweight pattern as the legal pages. */
.top { border-bottom: 1px solid var(--line-soft); background: var(--paper); }
.top-inner {
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px; flex-wrap: wrap; padding-top: 14px; padding-bottom: 14px;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.45em;
  color: var(--ink); font-weight: 800; letter-spacing: -0.01em; font-size: 17px;
}
.brand:hover { text-decoration: none; }
.brand-docs { color: var(--ink-4); font-weight: 600; }
.top-links { font-size: 13px; color: var(--ink-4); }

/* Header right side — same components as the landing header (main.css):
   the 日本語 / English pill switch and the GitHub mark, so switching
   language feels identical across the landing and the docs. */
.top-right { display: flex; align-items: center; gap: 18px; font-size: 12px; font-weight: 700; }
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 2px;
}
.top-right .lang {
  color: var(--ink-3);
  cursor: pointer;
  background: none;
  border: none;
  border-radius: 999px;
  padding: 4px 9px;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
}
.top-right .lang:hover { text-decoration: none; color: var(--ink); }
.top-right .lang.on {
  color: var(--ink);
  background: #eef3fb;
}
.github-mark {
  width: 18px; height: 18px; color: var(--ink);
  display: inline-flex; align-items: center; justify-content: center;
}
@media (max-width: 720px) {
  .top-right .lang { padding: 0 8px; font-size: 11px; }
}

/* Layout: sidebar + article. */
.docs-grid {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 48px;
  padding-top: 36px;
  padding-bottom: 72px;
}

.docs-nav { font-size: 13px; }
.docs-nav .docs-home-link { display: block; font-weight: 700; margin-bottom: 14px; color: var(--ink); }
.docs-nav h5 {
  margin: 18px 0 6px; font-size: 11px; font-weight: 800;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-4);
}
.docs-nav ul { list-style: none; margin: 0; padding: 0; }
.docs-nav li { margin: 0; }
.docs-nav a {
  display: block; padding: 4px 10px; border-radius: 6px;
  color: var(--ink-3);
}
.docs-nav a:hover { color: var(--ink); text-decoration: none; background: var(--paper-3); }
.docs-nav a[aria-current="page"] { color: var(--blue); background: var(--paper-3); font-weight: 600; }

.doc { min-width: 0; max-width: 780px; }
.doc h1 { color: var(--ink); font-size: 32px; line-height: 1.3; letter-spacing: -0.02em; margin: 0 0 18px; }
.doc h2 {
  color: var(--ink); font-size: 21px; letter-spacing: -0.01em;
  margin: 44px 0 12px; padding-top: 18px; border-top: 1px solid var(--line-soft);
}
.doc h3 { color: var(--ink); font-size: 16px; margin: 30px 0 8px; }
.doc p { margin: 0 0 16px; }
.doc ul, .doc ol { margin: 0 0 16px; padding-left: 1.4em; }
.doc li { margin: 4px 0; }
.doc .lede { color: var(--ink-3); font-size: 16px; }
.doc blockquote {
  margin: 0 0 16px; padding: 10px 16px;
  border-left: 3px solid var(--line); background: var(--paper-2); color: var(--ink-3);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.doc code {
  font-family: var(--font-mono); font-size: 0.85em;
  background: var(--paper-3); border: 1px solid var(--line-soft);
  border-radius: 5px; padding: 0.1em 0.35em; color: var(--ink);
}
.doc pre {
  background: var(--ink); color: #e8edf5;
  border-radius: var(--radius); padding: 16px 18px;
  overflow-x: auto; margin: 0 0 18px;
  font-size: 13px; line-height: 1.7;
}
.doc pre code {
  background: none; border: 0; padding: 0; color: inherit; font-size: inherit;
}

.doc table {
  border-collapse: collapse; width: 100%; margin: 0 0 20px;
  font-size: 13.5px; line-height: 1.6;
}
.doc th {
  text-align: left; color: var(--ink); font-weight: 700;
  border-bottom: 2px solid var(--line); padding: 8px 10px; white-space: nowrap;
}
.doc td { border-bottom: 1px solid var(--line-soft); padding: 8px 10px; vertical-align: top; }
.doc tr:hover td { background: var(--paper-2); }

.doc .reference-facts { margin: 0 0 20px; }
.doc .reference-facts dt { color: var(--ink); font-weight: 700; margin-top: 14px; }
.doc .reference-facts dd { margin: 4px 0 0; }

.doc-badge {
  display: inline-block; vertical-align: middle;
  font-size: 11px; font-weight: 700; line-height: 1;
  border-radius: 999px; padding: 4px 10px; margin-left: 6px;
}
.doc-badge--stable { color: var(--green); background: #e7f5ef; }
.doc-badge--preview { color: #8a5800; background: #fdf3e1; }
.doc-badge--planned { color: var(--ink-3); background: var(--paper-3); }

/* Docs home cards. */
.docs-cards {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px; margin-top: 26px;
}
.docs-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--paper-2); padding: 16px 18px;
}
.docs-card h2 { margin: 0 0 8px; font-size: 15px; color: var(--ink); border: 0; padding: 0; }
.docs-card ul { list-style: none; margin: 0; padding: 0; font-size: 13.5px; }
.docs-card li { margin: 5px 0; }

.docs-footer {
  border-top: 1px solid var(--line-soft); background: var(--paper-2);
  color: var(--ink-4); font-size: 12px;
  padding: 20px 0 26px;
}

@media (max-width: 860px) {
  .docs-grid { grid-template-columns: 1fr; gap: 24px; padding-top: 22px; }
  .docs-nav {
    border: 1px solid var(--line-soft); border-radius: var(--radius);
    background: var(--paper-2); padding: 12px 14px;
  }
  .doc h1 { font-size: 26px; }
}