/* ============================================================
   enola — shared site chrome (nav, footer, type, buttons)
   Used by Docs / Examples / Changelog. Pairs with
   styles.css (design tokens).
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
::selection { background: var(--accent); color: var(--paper); }

/* ─── Layout ───────────────────────────────────────────── */
.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 var(--gutter); }
@media (max-width: 720px) {
  .container, .container-narrow { padding: 0 20px; }
}

/* ─── Type ─────────────────────────────────────────────── */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin: 0 0 24px 0;
}
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; margin: 0; letter-spacing: var(--tracking-tight); text-wrap: balance; }
h1 { font-size: clamp(2.5rem, 5.2vw, var(--text-4xl)); line-height: var(--leading-tight); letter-spacing: var(--tracking-display); }
h2 { font-size: clamp(1.75rem, 3.4vw, var(--text-2xl)); line-height: var(--leading-snug); }
h3 { font-size: clamp(1.25rem, 2.2vw, var(--text-lg)); line-height: var(--leading-snug); }
em.italic { font-family: var(--font-display); font-style: normal; font-weight: 600; color: var(--violet); }
.title-rule { width: 64px; height: 2px; background: var(--accent); margin: 28px 0 36px; }
.lead {
  font-size: clamp(1.125rem, 1.9vw, var(--text-lg));
  line-height: 1.42;
  color: var(--ink-muted);
  margin: 0;
  max-width: 760px;
  font-weight: 400;
}
p { margin: 0 0 16px 0; color: var(--ink-muted); }
.mono-label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 500;
}

/* ─── Nav ──────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--paper) 85%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: var(--border-hair);
}
.nav-inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: var(--space-4) var(--gutter);
  max-width: var(--container);
  margin: 0 auto;
  gap: var(--space-5);
}
.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.04em;
  color: var(--ink-strong);
  flex-shrink: 0;
}
.dot { color: var(--accent); }

/* .nav-collapse holds everything but the wordmark: page links on the
   left (hugging the wordmark), GitHub + Get started on the right. It's
   also the single element the mobile hamburger toggles open/closed. */
.nav-collapse {
  flex: 1;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  min-width: 0;
}
.nav-links { display: flex; gap: 28px; align-items: baseline; }
.nav-links a:not(.btn) {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--ink-muted);
  transition: color var(--dur-fast) var(--ease-standard);
}
.nav-links a:not(.btn):hover { color: var(--accent); }
.nav-links a.active { color: var(--accent); }

.nav-right { display: flex; align-items: baseline; gap: 18px; flex-shrink: 0; }
.nav-gh {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-muted);
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease-standard);
}
.nav-gh:hover { color: var(--accent); }
.nav-gh-icon { display: inline-flex; align-items: center; align-self: center; }

.nav-toggle {
  display: none;
  background: none;
  border: var(--border-hair);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 7px 9px;
  color: var(--ink-muted);
  line-height: 0;
  flex-shrink: 0;
}
@media (max-width: 800px) {
  .nav-toggle { display: flex; align-items: center; }
  .nav-collapse {
    display: none;
    position: fixed;
    top: 65px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-top: var(--border-hair);
    border-bottom: var(--border-hair);
    flex-direction: column;
    align-items: flex-start;
    padding: 8px 24px 24px;
    gap: 0;
    z-index: 49;
    box-shadow: 0 4px 16px rgba(28,27,23,0.08);
  }
  .nav-collapse.open { display: flex; }
  .nav-links, .nav-right {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: 0;
  }
  .nav-links a:not(.btn), .nav-gh {
    display: block;
    font-size: 14px;
    padding: 14px 0;
    border-bottom: var(--border-hair);
    width: 100%;
  }
  .nav-right .btn { margin-top: 20px; align-self: flex-start; }
}

/* ─── Buttons ──────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 16px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.005em;
  border: 1px solid var(--ink-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: var(--ink-strong);
  color: var(--ink-on-dark);
  transition: background var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard), border-color var(--dur-fast) var(--ease-standard);
  white-space: nowrap;
}
.btn:hover { background: var(--accent); border-color: var(--accent); }
.btn.btn-ghost { background: transparent; color: var(--ink-muted); border-color: transparent; }
.btn.btn-ghost:hover { background: var(--ink-strong); color: var(--ink-on-dark); }
.btn.btn-sm { padding: 6px 12px; font-size: 13px; gap: 6px; }
.btn .arrow { transition: transform 200ms ease; }
.btn:hover .arrow { transform: translateX(3px); }
.gh-icon { fill: currentColor; flex-shrink: 0; display: block; }

/* .btn-primary — reserved for the single most important CTA per page (hero,
   pricing). Gradient fill is otherwise not used; every other button stays
   the plain solid/bordered .btn above. */
.btn.btn-primary {
  background: var(--gradient-accent);
  border: none;
  color: var(--ink-on-dark);
  box-shadow: var(--shadow-card);
  transition: filter var(--dur-fast) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-standard);
}
.btn.btn-primary:hover { background: var(--gradient-accent); filter: brightness(1.08); box-shadow: var(--shadow-raised); }

.tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  background: var(--paper-sunk);
  border: var(--border-hair);
  border-radius: var(--radius-pill);
  padding: 4px 12px;
  line-height: 1.2;
  white-space: nowrap;
}

.copy-btn {
  background: transparent; border: 1px solid var(--code-border); border-radius: var(--radius-sm);
  color: var(--code-fg-faint); font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em;
  text-transform: uppercase; padding: 3px 10px; cursor: pointer;
  transition: color 150ms ease, border-color 150ms ease;
}
.copy-btn:hover { color: var(--code-fg-muted); border-color: var(--code-comment); }
.copy-btn.copied { color: var(--accent-on-dark); border-color: var(--accent-on-dark); }

/* ─── Legal pages (terms, privacy) ─────────────────────── */
.legal-body { padding: clamp(40px,5vw,64px) 0 clamp(56px,7vw,96px); max-width: var(--measure); }
.legal-body h2 { margin: 2em 0 0.5em; border-top: var(--border-hair); padding-top: 1.5em; }
.legal-body h2:first-of-type { border-top: 0; padding-top: 0; }
.legal-body h3 { margin: 1.5em 0 0.5em; font-size: 17px; }
.legal-body p, .legal-body li { font-size: var(--text-base); line-height: var(--leading-body); color: var(--ink-muted); }
.legal-body ul { padding-left: 1.25em; margin: 0.75em 0; }
.legal-body li { margin-bottom: 0.4em; }
.legal-last-updated { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; color: var(--ink-faint); margin-bottom: 0; }
.legal-intro { color: var(--ink); }

/* ─── Code block (shared: docs, blog, get-started) ─────── */
.code-block {
  background: var(--paper-ink);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  margin: 24px 0;
}
.code-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 16px;
  border-bottom: 1px solid var(--rule-on-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--code-fg-faint);
}
.code-head .fname { color: var(--accent-on-dark); }
.code-head > span:last-child { display: flex; align-items: center; gap: 12px; }
.code-block pre {
  margin: 0; padding: 18px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--code-fg-muted);
  overflow-x: auto;
}
.code-block .k { color: var(--code-keyword); }
.code-block .s { color: var(--code-string); }
.code-block .c { color: var(--code-comment); }
.code-block .accent { color: var(--accent-on-dark); }

/* ─── Page hero (sub-pages) ────────────────────────────── */
.page-hero {
  padding: clamp(44px, 6vw, 72px) 0 clamp(32px, 4vw, 52px);
  border-bottom: var(--border-hair);
  position: relative;
  overflow: hidden;
}
.crumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 28px;
  display: flex;
  gap: 8px;
  align-items: center;
}
.crumb a { color: var(--ink-faint); transition: color var(--dur-fast) var(--ease-standard); }
.crumb a:hover { color: var(--accent); }
.crumb .sep { opacity: 0.5; }

/* ─── Terminal block (shared with examples) ────────────── */
.term {
  background: var(--paper-ink);
  border-radius: var(--radius-md);
  border: 1px solid var(--paper-ink);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  font-family: var(--font-mono);
}
.term.after { box-shadow: var(--shadow-card), 0 0 0 1px var(--accent-on-dark); }
.term-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--rule-on-dark);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--code-fg-faint);
}
.term-head .label { display: inline-flex; align-items: center; gap: 10px; white-space: nowrap; flex-shrink: 0; }
.term-head .dots { display: inline-flex; gap: 5px; }
.term-head .dots span { width: 9px; height: 9px; border-radius: var(--radius-pill); background: var(--code-dot); }
.term-head .pill { font-size: 10px; letter-spacing: 0.12em; color: var(--code-fg-faint); white-space: nowrap; flex-shrink: 0; }
.term.after .term-head .pill { color: var(--accent-on-dark); }
.term-body {
  padding: 18px 18px 22px;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--code-fg-muted);
  overflow-x: auto;
}
.term-body .prompt { color: var(--accent-on-dark); user-select: none; }
.term-body .cmd { color: var(--ink-on-dark); }
.term-body .tool { color: var(--code-keyword); }
.term-body .gray { color: var(--code-comment); }
.term-body .ok { color: var(--code-ok); }
.term-body .accent { color: var(--accent-on-dark); font-weight: 600; }
.term-body .strike { color: var(--code-comment); text-decoration: line-through; text-decoration-color: rgba(140,140,140,0.4); }
.term-body pre { margin: 0; font-family: inherit; white-space: pre-wrap; word-break: break-word; }

/* ─── Blog post shared components ──────────────────────── */
.post-body .callout {
  margin: 28px 0; padding: 18px 22px;
  border: var(--border-hair);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  background: var(--paper-raised);
  box-shadow: var(--shadow-1);
  font-size: 15px; line-height: 1.55; color: var(--ink-muted);
}
.post-body .callout strong { color: var(--ink-strong); }
.post-body table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 15px; }
.post-body th {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: var(--tracking-label);
  text-transform: uppercase; color: var(--ink-faint); font-weight: 600; text-align: left;
  padding: 11px 14px; border-bottom: 2px solid var(--ink-strong);
}
.post-body td {
  padding: 11px 14px; border-bottom: 1px solid var(--rule);
  color: var(--ink-muted); line-height: 1.5; vertical-align: top;
}
.post-body tr:last-child td { border-bottom: none; }
.post-cta {
  margin-top: 48px; padding: 32px;
  border: var(--border-hair); border-radius: var(--radius-md);
  background: var(--paper-raised); box-shadow: var(--shadow-card); text-align: center;
}
.post-cta p { font-size: 15px; color: var(--ink-muted); margin: 0 0 20px; }
.post-cta .hero-cta { margin-top: 20px; }
.post-tags {
  margin-top: 48px; padding-top: 24px; border-top: var(--border-hair);
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
}
.post-tags .post-tags-label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: var(--tracking-label);
  text-transform: uppercase; color: var(--ink-faint); margin-right: 4px;
}

/* ─── Footer (dark, site-wide) ─────────────────────────── */
footer {
  padding: 56px 0 32px;
  background: var(--paper-ink-2);
  color: var(--ink-on-dark);
}
.footer-tag {
  font-family: var(--font-sans);
  font-style: normal;
  font-size: 16px;
  color: var(--ink-on-dark-faint);
  line-height: 1.4;
  max-width: 320px;
}
.footer-wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 6vw, 56px);
  letter-spacing: -0.03em;
  color: var(--ink-on-dark);
  margin: 48px 0 0;
  line-height: 1;
}
.footer-wordmark .dot { color: var(--accent-on-dark); }
.footer-bottom {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--rule-on-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--code-fg-faint);
}
.footer-bottom a { transition: color var(--dur-fast) var(--ease-standard); }
.footer-bottom a:hover { color: var(--accent-on-dark); }