/* Product guide: quiet document layout, using the public site's Geist font. */
.learn-page .wrap { max-width: 1160px; }
.learn-page header { margin-bottom: 64px; }
.learn-page .brand { color: var(--text); text-decoration: none; }
.learn-page .eyebrow { margin-bottom: 14px; color: var(--muted); font: 11px/1.5 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; }
.learn-intro { max-width: 760px; margin-bottom: 72px; }
.learn-intro h1 { margin-bottom: 20px; font-size: clamp(36px, 5vw, 58px); line-height: 1.08; letter-spacing: -0.045em; }
.learn-intro .lede { max-width: 660px; margin-bottom: 20px; font-size: 18px; line-height: 1.65; color: var(--muted); }
.learn-intro .updated { margin-bottom: 24px; color: var(--muted); line-height: 1.7; }
.intro-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.intro-actions .btn { min-height: 42px; height: auto; padding-block: 8px; }
.learn-layout { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 56px; align-items: start; }
.learn-toc { position: sticky; top: 28px; padding: 8px 0; }
.learn-toc a { display: block; padding: 7px 0; color: var(--muted); font-size: 13px; line-height: 1.5; text-decoration: none; }
.learn-toc a:hover { color: var(--text); }
.learn-content { min-width: 0; }
.learn-content section { padding: 0 0 44px; margin-bottom: 44px; border-bottom: 1px solid var(--line); scroll-margin-top: 24px; }
.learn-content h2 { margin: 0 0 18px; font-size: clamp(24px, 3vw, 30px); letter-spacing: -0.035em; line-height: 1.2; }
.learn-content h3 { margin: 0 0 8px; font-size: 15px; font-weight: 500; line-height: 1.45; letter-spacing: -0.015em; }
.learn-content p, .learn-content li { line-height: 1.8; }
.learn-content p { margin-bottom: 16px; }
.learn-content code { color: var(--text); font: 12px var(--mono); padding: 2px 5px; background: var(--surface); border: 1px solid var(--line); border-radius: 3px; }
.boundary { margin: 24px 0; padding: 20px 22px; border: 1px solid var(--line); background: var(--surface); }
.boundary p:last-child { margin-bottom: 0; }
.learn-content .tip { margin: 22px 0 0; padding-left: 18px; border-left: 2px solid var(--line-2); color: var(--muted); }
.context-flow { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); list-style: none; padding: 0; margin: 26px 0; border: 1px solid var(--line); }
.context-flow li { margin: 0; padding: 18px; }
.context-flow li + li { border-left: 1px solid var(--line); }
.context-flow span { display: block; margin-bottom: 14px; color: var(--muted); font: 11px var(--mono); }
.context-flow b { display: block; font-size: 14px; line-height: 1.5; }
.context-flow small { display: block; margin-top: 8px; color: var(--muted); font-size: 12px; line-height: 1.65; }
.tool-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.tool-grid article { padding: 20px; border: 1px solid var(--line); }
.tool-grid article p { margin: 0; font-size: 14px; }
.limits-scroll { overflow-x: auto; border: 1px solid var(--line); }
.learn-content table { width: 100%; border-collapse: collapse; text-align: left; font-size: 13px; line-height: 1.65; }
.learn-content caption { text-align: left; padding: 14px 18px; color: var(--muted); font: 11px/1.5 var(--mono); }
.learn-content th, .learn-content td { padding: 14px 18px; border-top: 1px solid var(--line); vertical-align: top; }
.learn-content th { color: var(--text); font-weight: 500; }
.learn-content thead { background: var(--surface); }
.learn-content tbody th { width: 23%; }
.learn-content td { color: var(--body); }
.learn-content td:nth-child(2) { width: 28%; color: var(--text); }
.learn-content details { padding: 18px 0; border-top: 1px solid var(--line); }
.learn-content summary { cursor: pointer; color: var(--text); font-size: 15px; font-weight: 500; line-height: 1.6; }
.learn-content details p { margin: 14px 0 0; }
.learn-help { padding: 26px; background: var(--surface); border: 1px solid var(--line); }
.learn-help h2 { font-size: 24px; }
.learn-page a { overflow-wrap: anywhere; }
.learn-page a:focus-visible, .learn-page summary:focus-visible, .limits-scroll:focus-visible { outline: 2px solid var(--text); outline-offset: 4px; }
.skip-link { position: absolute; top: -100px; left: 24px; z-index: 1; padding: 10px 16px; background: var(--text); color: var(--bg); }
.skip-link:focus { top: 10px; }
@media (max-width: 900px) {
  .learn-layout { grid-template-columns: 170px minmax(0, 1fr); gap: 28px; }
  .context-flow { grid-template-columns: 1fr; }
  .context-flow li + li { border-left: 0; border-top: 1px solid var(--line); }
}
@media (max-width: 680px) {
  .learn-page header { margin-bottom: 40px; }
  .learn-intro { margin-bottom: 40px; }
  .learn-intro .lede { font-size: 16px; }
  .learn-layout { grid-template-columns: 1fr; gap: 36px; }
  .learn-toc { position: static; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 18px; padding: 20px 0; border-block: 1px solid var(--line); }
  .learn-toc .eyebrow { grid-column: 1 / -1; }
  .tool-grid { grid-template-columns: 1fr; }
  .learn-content section { padding-bottom: 32px; margin-bottom: 32px; }
  .learn-content th, .learn-content td { padding: 12px; }
  .learn-content table { min-width: 540px; }
  .learn-help { padding: 20px; }
}