/* Paper palette and typography adapted from zettel-box's paper theme. */
:root[data-theme="paper"] {
  color-scheme: light;
  --ink: #171717;
  --ink-secondary: #3f3f3f;
  --ink-line: #858585;
  --ink-paper: #f7f7f7;
  --ink-white: #ffffff;
  --font-sans: Arial, Helvetica, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

:focus-visible {
  outline: 1px solid var(--ink);
  outline-offset: 3px;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--ink-paper); color: var(--ink); font: 1rem/1.6 var(--font-sans); }
main { max-width: 52rem; margin: auto; padding: 3rem 1.5rem; }
header { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; font-weight: 700; }
header span, p, small { color: var(--ink-secondary); }
h1 { max-width: 12ch; margin: 5rem 0 1rem; font-size: clamp(2.5rem, 8vw, 4.5rem); line-height: 1.05; letter-spacing: -.04em; }
h2 { line-height: 1.2; }
.button { border: 1px solid var(--ink); border-radius: 999px; display: inline-block; padding: .65rem 1.2rem; background: var(--ink); color: var(--ink-white); font: inherit; cursor: pointer; }
section { margin-top: 4rem; padding: 1.5rem; border: 1px solid var(--ink-line); background: var(--ink-white); }
label { display: block; margin: 1rem 0 .5rem; }
textarea { display: block; width: 100%; margin-bottom: 1rem; padding: 1rem; border: 1px solid var(--ink); border-radius: 8px; background: var(--ink-paper); color: var(--ink); font: .875rem/1.6 var(--font-mono); resize: vertical; }
#copy-status { display: inline-block; margin-left: .5rem; }