/* DataStated docs: the knowledge-base chrome layered over styles.css.
   Three columns on desktop (side nav / article / on-this-page), the side
   nav collapsing to a details menu on small screens. Same tokens, same
   type, same accent as the rest of the site. */

/* ---------- docs header variant ---------- */
.nav-docs .docs-sep {
  width: 1px; height: 18px; background: var(--line-2); flex: none;
}
.nav-docs .docs-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
  text-decoration: none;
  transition: color 0.15s var(--ease);
}
.nav-docs .docs-label:hover { color: var(--ink); }
.nav-docs .nav-login {
  margin-left: auto;
  font-size: 0.92rem;
  color: var(--ink-2);
  text-decoration: none;
  transition: color 0.15s var(--ease);
}
.nav-docs .nav-login:hover { color: var(--ink); }

/* ---------- the three-column shell ---------- */
.docs-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 190px;
  gap: 56px;
  align-items: start;
}
.docs-main { padding: 48px 0 32px; min-width: 0; }
.docs-main .doc { max-width: 680px; margin: 0; }
.doc h2 { scroll-margin-top: 90px; }

/* ---------- side nav ---------- */
.docs-side {
  position: sticky;
  top: 64px;
  max-height: calc(100vh - 64px);
  overflow-y: auto;
  padding: 48px 0 64px;
}
.docs-side summary {
  display: none; /* desktop: the menu is always open */
}
.docs-side h3 {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 560;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 26px 0 8px;
}
.docs-side nav > h3:first-child { margin-top: 0; }
.docs-side a {
  display: block;
  padding: 5px 10px;
  margin-left: -10px;
  font-size: 0.88rem;
  color: var(--ink-2);
  text-decoration: none;
  border-radius: 6px;
  transition: color 0.15s var(--ease), background 0.15s var(--ease);
}
.docs-side a:hover { color: var(--ink); }
.docs-side a.active { color: var(--acc); background: var(--acc-soft); }

/* ---------- on this page ---------- */
.docs-toc {
  position: sticky;
  top: 64px;
  padding: 52px 0 64px;
  font-size: 0.82rem;
}
.docs-toc .toc-title {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 560;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 10px;
}
.docs-toc a {
  display: block;
  padding: 4px 0 4px 12px;
  color: var(--ink-3);
  text-decoration: none;
  border-left: 1px solid var(--line);
  transition: color 0.15s var(--ease), border-color 0.15s var(--ease);
}
.docs-toc a:hover { color: var(--ink); }
.docs-toc a.active { color: var(--acc); border-left-color: var(--acc); }

/* ---------- code blocks: label bar and copy ---------- */
/* A block with data-label gets a header bar naming where the snippet
   goes (index.html, Terminal, app/layout.tsx). Blocks without one keep a
   floating button. Either way the button is always visible: it is the
   docs' most-used control and hover-only hid it on touch screens. */
.doc-code-bar {
  display: flex; align-items: center; justify-content: space-between;
  height: 36px; padding: 0 6px 0 14px;
  border-bottom: 1px solid var(--line); background: var(--surface-2);
}
.doc-code-label { font-family: var(--mono); font-size: 0.7rem; color: var(--ink-3); letter-spacing: 0.04em; line-height: 1; }
.doc-copy {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--ink-2);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  height: 26px;
  padding: 0 10px;
  cursor: pointer;
  display: grid;
  align-items: center;
  line-height: 1;
  transition: color 0.15s var(--ease), background 0.15s var(--ease),
    border-color 0.15s var(--ease), transform 0.12s var(--ease);
}
.doc-copy > span { grid-area: 1 / 1; line-height: 1; transition: opacity 200ms var(--ease), transform 200ms var(--ease), filter 200ms var(--ease); }
.doc-copy .lbl-b, .doc-copy.done .lbl-a { opacity: 0; transform: scale(0.94); filter: blur(4px); }
.doc-copy.done .lbl-b { opacity: 1; transform: none; filter: none; }
.doc-copy:hover { color: var(--ink); background: var(--line); }
.doc-copy:active { transform: scale(0.94); }
.doc-copy:focus-visible { outline: 2px solid var(--acc); outline-offset: 1px; }
.doc-copy.done { color: var(--acc); }
.doc-code > .doc-copy { position: absolute; top: 8px; right: 8px; background: var(--surface-2); border-color: var(--line-2); }
.doc-code > .doc-copy:hover { border-color: var(--ink-3); }

/* ---------- on this page: one sliding marker ---------- */
.docs-toc nav { position: relative; }
.toc-bar {
  position: absolute; left: 0; top: 0; width: 2px; height: 1px;
  transform-origin: 0 0;
  background: var(--acc); border-radius: 1px; pointer-events: none; opacity: 0;
  transition: transform 250ms var(--ease), opacity 150ms var(--ease);
}
.toc-bar.ready { opacity: 1; }
.js .docs-toc a.active { border-left-color: var(--line); }

/* ---------- previous / next pager ---------- */
.doc-pager {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.doc-pager a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1 1 0;
  min-width: 0;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-ctl);
  padding: 14px 18px 16px;
  text-decoration: none;
  transition: border-color 0.15s var(--ease);
}
.doc-pager > span { flex: 1 1 0; }
.doc-pager a:hover { border-color: var(--ink-3); }
.doc-pager a:hover .pager-title { color: var(--acc); }
.doc-pager .pager-next { text-align: right; }
.pager-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.pager-title {
  font-size: 0.95rem;
  line-height: 1.3;
  color: var(--ink);
  transition: color 0.15s var(--ease);
}

/* ---------- small screens ---------- */
@media (max-width: 1100px) {
  .docs-toc { display: none; }
  .docs-shell { grid-template-columns: 200px minmax(0, 1fr); gap: 40px; }
}
@media (max-width: 820px) {
  .docs-shell { grid-template-columns: 1fr; gap: 0; }
  .docs-side {
    position: static;
    max-height: none;
    padding: 20px 0 0;
    border-bottom: 1px solid var(--line);
  }
  .docs-side summary {
    display: block;
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-2);
    padding: 8px 0 12px;
    cursor: pointer;
    list-style: none;
  }
  .docs-side summary::before { content: "\2261\00a0\00a0"; color: var(--ink-3); }
  .docs-side summary::-webkit-details-marker { display: none; }
  .docs-side nav { padding-bottom: 16px; }
  .docs-main { padding-top: 32px; }
  .nav-docs .nav-login { display: none; }
}

/* Overflow scrollbars inside code blocks: thin and theme-dark, not the
   default bright strip. */
.doc-code pre { scrollbar-width: thin; scrollbar-color: var(--line-2) transparent; }
.doc-code pre::-webkit-scrollbar { height: 8px; }
.doc-code pre::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 4px; }
.doc-code pre::-webkit-scrollbar-track { background: transparent; }