/* Vorlek docs — shared styles
 * Aesthetic lifted from the Phase 0 vorlek-dev placeholder + extended
 * for code blocks, navigation, copy buttons, and tables.
 */

:root {
  color-scheme: light dark;
  --bg: #fafafa;
  --fg: #0a0a0a;
  --muted: #525252;
  --line: #e5e5e5;
  --code-bg: #f3f3f3;
  --code-border: #e5e5e5;
  --accent: #0066cc;
  --accent-hover: #0052a3;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0a0a;
    --fg: #f5f5f5;
    --muted: #a3a3a3;
    --line: #262626;
    --code-bg: #161616;
    --code-border: #262626;
    --accent: #79b8ff;
    --accent-hover: #a8d0ff;
  }
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Monaco, Consolas, monospace;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  max-width: 740px;
  margin: 0 auto;
  padding: 4rem 1.5rem 6rem;
}

/* ── Top navigation ────────────────────────────────────────────────────── */

nav.topbar {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

nav.topbar > div {
  max-width: 740px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

nav.topbar .brand {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  text-decoration: none;
  margin-right: auto;
}

nav.topbar a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.875rem;
}
nav.topbar a:hover, nav.topbar a[aria-current="page"] {
  color: var(--fg);
}

/* ── Typography ────────────────────────────────────────────────────────── */

h1, h2, h3 {
  letter-spacing: -0.02em;
  margin-top: 2.5rem;
}

h1 {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  letter-spacing: -0.03em;
  margin-top: 0;
  margin-bottom: 0.5rem;
}

h2 {
  font-size: 1.375rem;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

h3 {
  font-size: 1.0625rem;
  margin-top: 2rem;
}

p, ul, ol, table, pre, .codeblock {
  margin-top: 1rem;
}

ul, ol {
  padding-left: 1.5rem;
}

li + li { margin-top: 0.25rem; }

p.lede {
  color: var(--muted);
  font-size: 1.0625rem;
  line-height: 1.55;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
a:hover { border-bottom-color: var(--accent); }

/* ── Inline code + code blocks ─────────────────────────────────────────── */

code {
  font-family: inherit;
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: 4px;
  padding: 0.125rem 0.375rem;
  font-size: 0.9em;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: 6px;
  padding: 0;
  overflow: hidden;
}

pre code {
  display: block;
  padding: 1rem;
  background: transparent;
  border: 0;
  border-radius: 0;
  font-size: 0.875rem;
  line-height: 1.55;
  overflow-x: auto;
  white-space: pre;
}

/* Code block with copy button — wrap the <pre> in <div class="codeblock"> */
.codeblock {
  position: relative;
}

.codeblock button.copy {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  font: inherit;
  font-size: 0.75rem;
  background: var(--bg);
  color: var(--muted);
  border: 1px solid var(--code-border);
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s;
}

.codeblock:hover button.copy,
.codeblock button.copy:focus {
  opacity: 1;
}

.codeblock button.copy:hover {
  color: var(--fg);
}

.codeblock button.copy[data-copied="true"] {
  color: var(--accent);
  border-color: var(--accent);
  opacity: 1;
}

/* ── Tables ────────────────────────────────────────────────────────────── */

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

th, td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  font-weight: 700;
  color: var(--fg);
  background: var(--code-bg);
  border-bottom-color: var(--line);
}

tr:last-child td { border-bottom: 0; }

/* ── Callout boxes ─────────────────────────────────────────────────────── */

.callout {
  border-left: 3px solid var(--accent);
  background: var(--code-bg);
  padding: 0.75rem 1rem;
  margin-top: 1.5rem;
  border-radius: 0 4px 4px 0;
}

.callout strong { color: var(--fg); }
.callout p { margin-top: 0.25rem; color: var(--muted); }
.callout p:first-child { margin-top: 0; }

.callout.warn {
  border-left-color: #d97706;
}
@media (prefers-color-scheme: dark) {
  .callout.warn { border-left-color: #f59e0b; }
}

/* ── Footer ────────────────────────────────────────────────────────────── */

footer {
  max-width: 740px;
  margin: 4rem auto 0;
  padding: 2rem 1.5rem;
  border-top: 1px solid var(--line);
  font-size: 0.8125rem;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

footer a { color: var(--muted); }
footer a:hover { color: var(--fg); border-bottom-color: var(--fg); }

/* ── Hero (landing page) ───────────────────────────────────────────────── */

.hero {
  text-align: center;
  padding: 6rem 1.5rem 3rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  letter-spacing: -0.04em;
  font-weight: 700;
}

.hero p.lede {
  margin-top: 1rem;
  font-size: clamp(1rem, 2vw, 1.25rem);
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}

.hero .ctas {
  margin-top: 2.5rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero .ctas a {
  display: inline-block;
  padding: 0.625rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 0.9375rem;
  color: var(--fg);
  background: var(--bg);
}

.hero .ctas a.primary {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}

.hero .ctas a:hover {
  border-color: var(--fg);
}

.hero .ctas a.primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}