:root {
  --bg: #fbf7f4;
  --surface: #ffffff;
  --text: #2b2024;
  --muted: #6e5d63;
  --accent: #9c4f62;
  --accent-text: #ffffff;
  --line: #e8dcd8;
  --code-bg: #f4ece8;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1618;
    --surface: #261e21;
    --text: #f3e9ec;
    --muted: #b9a6ac;
    --accent: #d98ea0;
    --accent-text: #1c1618;
    --line: #3a2e32;
    --code-bg: #30262a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

main {
  max-width: 34rem;
  margin: 0 auto;
  padding: 3rem 1rem;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--accent);
  margin: 0 0 2rem;
}

h1 { font-size: 1.6rem; line-height: 1.25; margin: 0 0 0.75rem; }

p { margin: 0 0 1rem; color: var(--muted); }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem;
  margin: 1.25rem 0;
}

.label { font-size: 0.85rem; color: var(--muted); margin: 0 0 0.4rem; }

code {
  display: block;
  background: var(--code-bg);
  border-radius: 8px;
  padding: 0.6rem 0.75rem;
  font: 0.95rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
  overflow-wrap: anywhere;
  user-select: all;
  margin: 0 0 0.6rem;
}

button {
  font: inherit;
  font-weight: 600;
  border: 0;
  border-radius: 8px;
  padding: 0.5rem 0.9rem;
  background: var(--accent);
  color: var(--accent-text);
  cursor: pointer;
}

button:focus-visible { outline: 3px solid var(--text); outline-offset: 2px; }

.note { font-size: 0.9rem; }

code.inline {
  display: inline;
  padding: 0.1rem 0.3rem;
  margin: 0;
  font-size: 0.9em;
  user-select: auto;
}