:root { color-scheme: light dark; }
body {
  margin: 0;
  background: Canvas;
  color: CanvasText;
  font: 1rem/1.55 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
main {
  box-sizing: border-box;
  width: min(44rem, calc(100vw - 2rem));
  margin: 0 auto;
  padding: clamp(2rem, 8vw, 5rem) 0;
}
h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.5rem, 10vw, 5rem);
  line-height: 0.9;
  letter-spacing: -0.06em;
}
[data-pad-browser] {
  margin-top: 2rem;
  border: 1px solid color-mix(in srgb, CanvasText 24%, transparent);
  border-radius: 1rem;
  padding: 1rem;
  background: color-mix(in srgb, CanvasText 6%, Canvas);
}
button {
  border: 1px solid color-mix(in srgb, CanvasText 28%, transparent);
  border-radius: 999px;
  padding: 0.7rem 1rem;
  background: Canvas;
  color: CanvasText;
  font: inherit;
}
button:not(:disabled) { cursor: pointer; }
button:not(:disabled):hover { background: color-mix(in srgb, CanvasText 9%, Canvas); }
button:disabled { opacity: 0.48; }
[data-pad-editor] {
  width: min(84rem, calc(100vw - 1.25rem));
}
.pad-editor-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.25rem;
  align-items: start;
}
.pad-kicker {
  margin: 0 0 0.75rem;
  color: color-mix(in srgb, CanvasText 62%, transparent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.pad-qr-card {
  margin: 0;
  border: 1px solid color-mix(in srgb, CanvasText 18%, transparent);
  border-radius: 1.25rem;
  padding: 0.8rem;
  background: white;
  color: #111827;
  text-align: center;
}
.pad-qr-card img {
  display: block;
  width: 11rem;
  max-width: 42vw;
  height: auto;
}
.pad-qr-card figcaption {
  margin-top: 0.55rem;
  font-size: 0.78rem;
  word-break: break-all;
}
.pad-controls,
.pad-browser-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1.5rem 0 0;
}
.pad-status {
  min-height: 1.5rem;
  color: color-mix(in srgb, CanvasText 72%, transparent);
}
.pad-editor-grid {
  display: grid;
  grid-template-columns: minmax(18rem, 0.95fr) minmax(20rem, 1.05fr);
  gap: 1rem;
  align-items: stretch;
  min-height: 62vh;
}
.pad-source-pane,
.pad-preview-pane {
  display: grid;
  grid-template-rows: auto minmax(24rem, 1fr);
  gap: 0.45rem;
  min-width: 0;
}
.pad-source-pane > span,
.pad-preview-pane > span {
  color: color-mix(in srgb, CanvasText 62%, transparent);
  font-size: 0.82rem;
  font-weight: 700;
}
#padSource,
#padPreview {
  box-sizing: border-box;
  width: 100%;
  min-height: 24rem;
  border: 1px solid color-mix(in srgb, CanvasText 18%, transparent);
  border-radius: 1rem;
  background: color-mix(in srgb, CanvasText 4%, Canvas);
}
#padSource {
  padding: 1rem;
  resize: vertical;
  color: CanvasText;
  font: 0.9rem/1.45 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
#padPreview { background: white; }
@media (max-width: 820px) {
  [data-pad-editor] { width: min(100% - 1rem, 48rem); }
  .pad-editor-hero,
  .pad-editor-grid { grid-template-columns: 1fr; }
  .pad-qr-card { justify-self: start; }
}