:root {
  color-scheme: light;
  --bg: #e6dfd2;
  --ink: #1c1916;
  --muted: #5c564c;
  --panel: #f6f2ea;
  --card: #fffdf8;
  --line: #d5ccbe;
  --accent: #8d3b2f;
  --good: #1d5c40;
  --stage: #2a241f;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.45 system-ui, sans-serif;
}
button, input, textarea, select { font: inherit; color: inherit; }
button { background: var(--card); border: 1px solid var(--line); padding: 8px 12px; cursor: pointer; }
button:hover { border-color: var(--ink); }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
button[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); }
button.primary { background: var(--accent); color: #fffaf6; border-color: var(--accent); }
button:disabled { cursor: not-allowed; opacity: 0.55; }
input, textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--card);
  padding: 8px 10px;
}
textarea { min-height: 72px; resize: vertical; }
label { display: grid; gap: 4px; font-size: 0.82rem; }
label.inline { display: flex; align-items: center; gap: 8px; }
label.inline input { width: auto; }
fieldset {
  border: 1px solid var(--line);
  margin: 0 0 14px;
  padding: 12px;
  display: grid;
  gap: 10px;
}
legend { padding: 0 6px; font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; }
h1, h2, h3 { font-weight: 500; }
h2, h3 { font-family: system-ui, sans-serif; font-size: 0.95rem; margin: 0; }
.top {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
  padding: 22px 22px 8px;
}
.mark {
  margin: 0;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--muted);
}
h1 {
  margin: 2px 0 4px;
  font: 500 2.4rem/0.95 Georgia, "Iowan Old Style", Palatino, serif;
}
.lede, .hint, .remaining { color: var(--muted); margin: 0; }
.lede { max-width: 46ch; }
.controls { display: flex; gap: 12px; align-items: end; }
.lane { display: flex; gap: 6px; }
.budget { width: 96px; }
.remaining { min-width: 72px; padding-bottom: 8px; }
.tabs-mobile { display: none; gap: 6px; padding: 8px 22px 0; }
.columns {
  display: grid;
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr) minmax(280px, 340px);
  gap: 14px;
  padding: 14px 22px 28px;
  align-items: start;
}
.panel { background: var(--panel); border: 1px solid var(--line); padding: 14px; }
.panel-head, .row-actions, .download-row, .examples, .choice-row, .split {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.panel-head { justify-content: space-between; margin-bottom: 8px; }
.split > * { flex: 1; min-width: 140px; }
.choice-row label { display: flex; gap: 6px; align-items: center; font-size: 0.92rem; }
.choice-row input { width: auto; }
.alert {
  background: #f8e7e2;
  border: 1px solid var(--accent);
  padding: 8px 10px;
  margin: 0 0 12px;
}
.entry {
  display: grid;
  gap: 8px;
  border: 1px solid var(--line);
  background: var(--card);
  padding: 10px;
}
.entry .remove { justify-self: start; }
.stage { background: var(--stage); padding: 16px; min-height: 72vh; }
iframe {
  width: 100%;
  height: 76vh;
  border: 0;
  background: white;
  display: none;
}
iframe.visible { display: block; }
iframe.phone { width: 390px; max-width: 100%; margin: 0 auto; }
.stage-empty { color: #e6dfd2; margin: 0; }
.stage-empty.hidden { display: none; }
.eval, .rules, .decides { padding-left: 18px; }
.eval li[data-kind="pass"] { color: var(--good); }
.eval li[data-kind="fail"] { color: var(--accent); }
.fact { display: flex; gap: 8px; align-items: flex-start; margin: 8px 0; }
.fact input { width: auto; margin-top: 3px; }
.preview-block {
  white-space: pre-wrap;
  background: var(--card);
  border: 1px solid var(--line);
  padding: 10px;
  margin: 0;
  max-height: 220px;
  overflow: auto;
  font-size: 12px;
}
#generate { width: 100%; padding: 12px; }
details { margin-top: 16px; }
summary { cursor: pointer; }
@media (max-width: 1100px) {
  .tabs-mobile { display: flex; }
  .columns { display: block; padding-top: 10px; }
  .panel { display: none; margin-bottom: 18px; }
  body[data-tab="brief"] #panel-brief,
  body[data-tab="preview"] #panel-preview,
  body[data-tab="check"] #panel-check { display: block; }
  .top { display: block; }
  .controls { margin-top: 14px; }
  #generate { position: sticky; bottom: 8px; }
  iframe, .stage { min-height: 70vh; }
  iframe { height: 70vh; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }