/* Trolley Match: mobile-first, readable without build tools. */
:root {
  color-scheme: light dark;
  --gap: 0.75rem;
  --max: 42rem;
}
* { box-sizing: border-box; }
body {
  margin: 0 auto;
  max-width: var(--max);
  padding: 1rem;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.55;
}
.top .brand { font-size: 1.25rem; font-weight: 700; }
.lede { font-size: 1.05rem; }
.how { padding-left: 1.25rem; }
.fair { font-style: italic; }
.facts {
  border: 1px solid currentColor;
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  margin: var(--gap) 0;
}
.choices { display: grid; gap: var(--gap); margin: var(--gap) 0; }
.choice {
  display: grid;
  gap: 0.25rem;
  text-align: left;
  font-size: 1rem;
  line-height: 1.45;
  padding: 0.9rem 1rem;
  border-radius: 0.6rem;
  border: 2px solid currentColor;
  background: none;
  color: inherit;
  cursor: pointer;
  min-height: 3rem;
}
.choice:disabled { opacity: 0.55; cursor: default; }
.choice.picked { border-width: 4px; }
.choice strong { font-size: 1.05rem; }
.row { display: flex; flex-wrap: wrap; gap: var(--gap); margin: var(--gap) 0; }
button {
  font-size: 1rem;
  padding: 0.7rem 1.1rem;
  border-radius: 0.5rem;
  cursor: pointer;
}
button:focus-visible, summary:focus-visible, a:focus-visible {
  outline: 3px solid currentColor;
  outline-offset: 2px;
}
.ghost { background: none; }
.status, .fail { font-weight: 600; }
.agree { font-weight: 700; }
.split { font-weight: 700; }
.tally, .hint, .conf, .attrib { font-size: 0.92rem; }
.cost {
  border-top: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  padding: 0.25rem 0;
  margin: var(--gap) 0;
  font-size: 0.92rem;
}
.reveal {
  border-left: 4px solid currentColor;
  padding: 0.25rem 0 0.25rem 0.75rem;
  margin: var(--gap) 0;
}
.reveal h3 { margin: 0.25rem 0; }
.lab {
  font-weight: 600;
  border: 1px dashed currentColor;
  border-radius: 0.5rem;
  padding: 0.5rem 0.75rem;
}
.dots { display: flex; gap: 0.4rem; margin: 0.25rem 0; }
.dot {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  border: 1px solid currentColor;
  display: inline-block;
}
.dot.done { background: currentColor; }
.dot.now { border-width: 3px; }
.crumb { margin-bottom: 0; }
.inspectors { margin: var(--gap) 0; display: grid; gap: 0.5rem; }
.inspector summary { cursor: pointer; font-weight: 600; }
.inspector pre {
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.82rem;
  border: 1px solid currentColor;
  border-radius: 0.5rem;
  padding: 0.6rem;
  max-height: 20rem;
  overflow: auto;
}
.rounds { padding-left: 1.25rem; }
.foot {
  margin-top: 2rem;
  font-size: 0.85rem;
  display: grid;
  gap: 0.5rem;
}
@media (min-width: 40rem) {
  .choices { grid-template-columns: 1fr 1fr; }
}