:root {
  --ink: #16131a;
  --mute: #5c564f;
  --paper: #fffaf3;
  --line: #e8dcce;
  --cobalt: #1d4ed8;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 0% 0%, #dbeafe, transparent 45%),
    var(--paper);
  min-height: 100vh;
}

.sample-banner {
  margin: 0;
  padding: 0.55rem 1rem;
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--ink);
  color: #f5efe6;
}

main { max-width: 640px; margin: 0 auto; padding: 2rem 1.25rem 4rem; }

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cobalt);
}
h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.9rem, 5vw, 2.5rem);
  letter-spacing: -0.03em;
}
.lede { color: var(--mute); line-height: 1.6; margin: 0.75rem 0 1.5rem; }

.panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  padding: 1.25rem;
}
.panel.hidden { display: none; }

.q { margin-bottom: 1.25rem; }
.q h2 {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
  font-family: Georgia, "Times New Roman", serif;
}
.options { display: grid; gap: 0.5rem; }
.options button {
  text-align: left;
  border: 1px solid var(--line);
  background: #fffaf3;
  border-radius: 0.85rem;
  padding: 0.7rem 0.85rem;
  font: inherit;
  cursor: pointer;
}
.options button:hover { border-color: #93c5fd; }
.options button.correct { background: #ecfdf5; border-color: #6ee7b7; }
.options button.wrong { background: #fef2f2; border-color: #fca5a5; }
.options button:disabled { cursor: default; }

#retry, #next {
  margin-top: 0.5rem;
  border: 0;
  background: var(--cobalt);
  color: #fff;
  font: inherit;
  font-weight: 700;
  padding: 0.7rem 1.1rem;
  border-radius: 999px;
  cursor: pointer;
}

footer {
  text-align: center;
  padding: 0 1rem 2.5rem;
  font-size: 0.8rem;
  color: var(--mute);
}
footer a { color: var(--cobalt); }