/* autopoet.app — brand tokens mirrored from the Workbooks desktop app (app.css).
   PAPER-FIRST: warm paper + ink, thin borders, soft shadows, ONE accent
   (bloom green, life/highlights only — never a button fill). Machine voice
   is mono, uppercase, letter-spaced. */

:root {
  --page: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f2f2f3;
  --border: rgba(18, 19, 22, 0.13);
  --border-strong: rgba(18, 19, 22, 0.28);
  --fg: #121316;
  --fg-muted: rgba(18, 19, 22, 0.6);
  --fg-subtle: rgba(18, 19, 22, 0.38);
  --ring: rgba(18, 19, 22, 0.35);
  --grid-line: rgba(18, 19, 22, 0.07);
  --grid-size: 22px;
  --brand: #13d943;
  --brand-soft: rgba(19, 217, 67, 0.13);
  --brand-ink: #0a2413;
  --ok: #0fae38;
  --warn: #b8861b;
  --err: #c92f2f;
  --edge: #e6e6e8;
  --mint: #aee5c2;
  --sky: #a8d4f0;
  --sage: #c8e0b0;
  --cream: #f2ddb0;
  --peach: #f3c5a3;
  --blue: #9fc4e8;
  --fuchsia: #e8a9d0;
  --violet: #d9c5f0;
  --amber: #c2861f;
  --radius: 8px;
  --radius-lg: 13px;
  --shadow-pop: 0 1px 2px rgba(18, 19, 22, 0.06), 0 14px 34px rgba(18, 19, 22, 0.14);
  --shadow-btn: 0 10px 26px rgba(18, 19, 22, 0.22);
  --font-sans: "Geist", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

/* Light is the brand — paper-first, always. No auto dark switch. */

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--page);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: rgba(18, 19, 22, 0.12); }
:focus-visible { outline: 2px solid var(--ring); outline-offset: 2px; border-radius: 4px; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 999px; }

a { color: inherit; text-decoration-color: var(--border-strong); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--brand); }

.grid-paper {
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
}

/* ---- machine voice ---- */
.kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.kicker::before { content: "■"; font-size: 8px; color: var(--fg); }

.mono { font-family: var(--font-mono); }

/* ---- buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 10px 16px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.2s;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: scale(0.985); }
.btn-primary { background: var(--fg); color: var(--page); box-shadow: var(--shadow-btn); }
.btn-ghost { background: var(--surface); color: var(--fg); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--border-strong); }
.btn[aria-disabled="true"] { opacity: 0.55; cursor: default; }
.btn[aria-disabled="true"]:hover { transform: none; }

/* ---- site nav ---- */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 28px;
}
.site-nav .brand {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.site-nav .brand .dot {
  width: 9px; height: 9px; border-radius: 999px;
  background: var(--fg);
  box-shadow: 0 0 0 3px rgba(18, 19, 22, 0.1);
  animation: breathe 4.2s ease-in-out infinite;
}
.site-nav ul {
  display: flex; align-items: center; gap: 22px; list-style: none;
  font-family: var(--font-mono); font-size: 12.5px;
}
.site-nav ul a { text-decoration: none; color: var(--fg-muted); }
.site-nav ul a:hover, .site-nav ul a[aria-current="page"] { color: var(--fg); }
@media (max-width: 720px) {
  .site-nav { flex-wrap: wrap; padding: 14px 18px; }
  .site-nav ul { gap: 14px; flex-wrap: wrap; }
}

@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(0.82); opacity: 0.7; }
}

/* ---- footer ---- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-muted);
}
.site-footer .wb {
  display: inline-flex; align-items: center; gap: 9px;
  text-decoration: none; color: var(--fg);
}
.site-footer .wb svg { width: 26px; height: auto; display: block; }
.site-footer .wb b { font-weight: 700; letter-spacing: -0.01em; }
.site-footer nav { display: flex; gap: 16px; flex-wrap: wrap; }
.site-footer nav a { text-decoration: none; color: var(--fg-muted); }
.site-footer nav a:hover { color: var(--fg); }

/* ---- page shell for content pages ---- */
.page {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}
.page-wide { max-width: 1100px; }

.page header.head { margin-bottom: 40px; }
.page h1 {
  font-size: clamp(30px, 5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin: 12px 0 14px;
}
.page .lede { font-size: 18px; color: var(--fg-muted); max-width: 60ch; }

/* ---- prose ---- */
.prose h2 {
  font-size: 24px; font-weight: 700; letter-spacing: -0.02em;
  margin: 52px 0 14px; padding-top: 22px;
  border-top: 1px solid var(--border);
}
.prose h3 { font-size: 18px; font-weight: 600; letter-spacing: -0.01em; margin: 32px 0 10px; }
.prose h4 {
  font-family: var(--font-mono); font-size: 12px; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-muted);
  margin: 26px 0 8px;
}
.prose p { margin: 0 0 16px; }
.prose ul, .prose ol { margin: 0 0 16px; padding-left: 22px; }
.prose li { margin: 5px 0; }
.prose strong { font-weight: 600; }
.prose blockquote {
  margin: 20px 0; padding: 14px 18px;
  border-left: 3px solid var(--border-strong);
  background: var(--surface);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--fg-muted);
  font-size: 15px;
}
.prose code {
  font-family: var(--font-mono); font-size: 0.86em;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1.5px 5px;
  white-space: nowrap;
}
.prose pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  overflow-x: auto;
  margin: 0 0 18px;
  font-size: 13px;
  line-height: 1.6;
}
.prose pre code { background: none; border: none; padding: 0; white-space: pre; }
.prose table {
  width: 100%; border-collapse: collapse; margin: 0 0 20px;
  font-size: 14px;
}
.prose th {
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.07em; color: var(--fg-muted);
  text-align: left; padding: 8px 12px 8px 0;
  border-bottom: 1px solid var(--border-strong);
}
.prose td { padding: 9px 12px 9px 0; border-bottom: 1px solid var(--border); vertical-align: top; }
.prose .table-scroll { overflow-x: auto; }
.prose hr { border: none; border-top: 1px solid var(--border); margin: 40px 0; }

/* ---- cards & chips ---- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 22px;
  transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.35s;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-pop); }
.card h3 { margin: 8px 0 6px; font-size: 16px; }
.card p { font-size: 14px; color: var(--fg-muted); }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 10px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.07em;
  padding: 4px 8px; border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
}
.chip .swatch { width: 8px; height: 8px; border-radius: 999px; }

/* ---- docs layout ---- */
.docs {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 48px;
  max-width: 1080px;
  margin: 0 auto;
  padding: 40px 24px 96px;
}
.docs aside {
  position: sticky; top: 24px; align-self: start;
  font-family: var(--font-mono); font-size: 12.5px;
  max-height: calc(100vh - 48px); overflow-y: auto;
}
.docs aside .group {
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.09em; color: var(--fg-subtle);
  margin: 20px 0 6px;
}
.docs aside a {
  display: block; padding: 4px 0; text-decoration: none; color: var(--fg-muted);
}
.docs aside a:hover { color: var(--fg); }
@media (max-width: 860px) {
  .docs { grid-template-columns: 1fr; gap: 12px; }
  .docs aside { position: static; max-height: none; }
}

/* ---- faq ---- */
details.faq {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  padding: 0;
  margin: 0 0 12px;
}
details.faq summary {
  cursor: pointer;
  padding: 16px 20px;
  font-weight: 600;
  font-size: 15.5px;
  list-style: none;
  display: flex; align-items: baseline; gap: 12px;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::before {
  content: "+"; font-family: var(--font-mono); color: var(--fg-subtle);
  font-weight: 700; flex-shrink: 0;
}
details.faq[open] summary::before { content: "–"; }
details.faq .a { padding: 0 20px 18px 40px; color: var(--fg-muted); font-size: 15px; }
details.faq .a p { margin: 0 0 10px; }

/* ---- glossary ---- */
.glossary dt {
  font-family: var(--font-mono); font-weight: 700; font-size: 14px;
  margin: 26px 0 4px; scroll-margin-top: 24px;
}
.glossary dt .hash { color: var(--fg-subtle); text-decoration: none; margin-left: 6px; font-weight: 400; }
.glossary dt .hash:hover { color: var(--brand); }
.glossary dd { color: var(--fg-muted); max-width: 68ch; }

/* ---- changelog ---- */
.log-entry { display: grid; grid-template-columns: 120px 1fr; gap: 20px; padding: 22px 0; border-top: 1px solid var(--border); }
.log-entry time { font-family: var(--font-mono); font-size: 12px; color: var(--fg-subtle); padding-top: 3px; }
.log-entry h3 { font-size: 16px; margin-bottom: 6px; }
.log-entry p, .log-entry li { font-size: 14.5px; color: var(--fg-muted); }
.log-entry ul { padding-left: 20px; margin-top: 8px; }
@media (max-width: 600px) { .log-entry { grid-template-columns: 1fr; gap: 4px; } }

/* ---- status pills ---- */
.pill {
  display: inline-block; font-family: var(--font-mono); font-size: 10px;
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em;
  padding: 3px 8px; border-radius: 999px;
}
.pill-live { background: var(--sky); color: var(--fg); }
.pill-soon { background: var(--surface-soft); color: var(--fg-muted); border: 1px solid var(--border); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}