/* ===== Pop-up quiz styling (shared by website pages and reveal.js slides) ===== */

:root {
  --quiz-accent:  #1f6f78;
  --quiz-correct: #2e7d32;
  --quiz-wrong:   #c62828;
  --quiz-surface: rgba(31, 111, 120, 0.06);
  --quiz-border:  rgba(31, 111, 120, 0.35);
}

div.quiz {
  counter-reset: quizopt;
  border: 1px solid var(--quiz-border);
  border-left: 6px solid var(--quiz-accent);
  border-radius: 8px;
  background: var(--quiz-surface);
  padding: 0.9em 1.1em 1em;
  margin: 1em 0;
}

div.quiz > p:first-child { margin-top: 0; font-weight: 600; }

div.quiz > ul.quiz-options {
  list-style: none;
  margin: 0.6em 0 0;
  padding: 0;
}

div.quiz > ul.quiz-options > li {
  counter-increment: quizopt;
  position: relative;
  cursor: pointer;
  margin: 0.4em 0;
  padding: 0.5em 0.8em 0.5em 2.6em;
  border: 1px solid var(--quiz-border);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.65);
  transition: background 0.12s ease, border-color 0.12s ease, transform 0.08s ease;
}

div.quiz > ul.quiz-options > li::before {
  content: counter(quizopt, upper-alpha);
  position: absolute;
  left: 0.7em;
  top: 50%;
  transform: translateY(-50%);
  width: 1.5em;
  height: 1.5em;
  line-height: 1.5em;
  text-align: center;
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.85em;
  color: #fff;
  background: var(--quiz-accent);
}

div.quiz:not(.quiz-answered) > ul.quiz-options > li:hover {
  background: #fff;
  border-color: var(--quiz-accent);
  transform: translateX(2px);
}

div.quiz.quiz-answered > ul.quiz-options > li { cursor: default; }

/* Answered state. The A/B/C letter is kept on purpose — it is what you point
   at when discussing the question with the room. Colour carries correctness. */
div.quiz > ul.quiz-options > li.quiz-is-correct {
  border-color: var(--quiz-correct);
  background: rgba(46, 125, 50, 0.14);
}
div.quiz > ul.quiz-options > li.quiz-is-correct::before {
  background: var(--quiz-correct);
}
div.quiz > ul.quiz-options > li.quiz-is-correct::after {
  content: "✓";
  margin-left: 0.5em;
  font-weight: 700;
  color: var(--quiz-correct);
}

div.quiz > ul.quiz-options > li.quiz-is-wrong { opacity: 0.5; }

div.quiz > ul.quiz-options > li.quiz-chosen.quiz-is-wrong {
  opacity: 1;
  border-color: var(--quiz-wrong);
  background: rgba(198, 40, 40, 0.12);
}
div.quiz > ul.quiz-options > li.quiz-chosen.quiz-is-wrong::before {
  background: var(--quiz-wrong);
}
div.quiz > ul.quiz-options > li.quiz-chosen.quiz-is-wrong::after {
  content: "✕  your answer";
  margin-left: 0.5em;
  font-size: 0.8em;
  font-weight: 700;
  color: var(--quiz-wrong);
}

div.quiz > .quiz-feedback {
  margin-top: 0.8em;
  padding: 0.6em 0.9em;
  border-radius: 6px;
  background: rgba(31, 111, 120, 0.12);
  border-left: 3px solid var(--quiz-accent);
  font-size: 0.92em;
}

div.quiz > .quiz-feedback.quiz-hidden { display: none; }

button.quiz-reset {
  margin-top: 0.7em;
  font-size: 1em;
  padding: 0.25em 0.7em;
  border-radius: 999px;
  border: 1px solid var(--quiz-border);
  background: transparent;
  color: inherit;
  cursor: pointer;
  opacity: 0.7;
}
button.quiz-reset:hover { opacity: 1; }

/* Dark mode / dark slide themes */
@media (prefers-color-scheme: dark) {
  div.quiz > ul.quiz-options > li { background: rgba(255, 255, 255, 0.06); }
}
.quarto-dark div.quiz > ul.quiz-options > li,
.reveal div.quiz > ul.quiz-options > li { background: rgba(255, 255, 255, 0.06); }

/* Slides: quizzes use the SAME character size as the rest of the deck.
   Only the spacing is tightened so a question still fits one slide. */
.reveal div.quiz { font-size: 1em; padding: 0.5em 0.7em; margin: 0.5em 0; }
.reveal div.quiz > ul.quiz-options > li { margin: 0.25em 0; padding: 0.3em 0.7em 0.3em 2.3em; }
.reveal div.quiz > .quiz-feedback { font-size: 1em; padding: 0.45em 0.7em; }
.reveal div.quiz > p:first-child { margin-bottom: 0.35em; }

/* Print / PDF export: show everything */
@media print {
  div.quiz > .quiz-feedback.quiz-hidden { display: block; }
  button.quiz-reset { display: none; }
}