:root {
  color-scheme: light;
  --bg: #f3efe8;
  --panel: #f7f2ea;
  --panel-strong: #efe7db;
  --text: #2e2924;
  --muted: #6f675d;
  --accent: #4b4b4b;
  --accent-2: #6b5d47;
  --danger: #9a4f4f;
  --good: #5f6f4d;
  --shadow: 0 1px 3px rgba(46, 41, 36, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.hero-card,
.game-card,
.results-card {
  width: min(900px, 100%);
  background: var(--panel);
  border: 1px solid #ddd3c6;
  box-shadow: var(--shadow);
  border-radius: 16px;
  padding: 28px;
}

.hero-card {
  text-align: center;
}

.eyebrow {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.75rem;
  color: var(--accent-2);
  font-weight: 700;
}

h1,
h2 {
  margin: 0;
}

h1 {
  font-size: clamp(1.8rem, 3.4vw, 2.4rem);
  margin-bottom: 10px;
}

.hero-copy {
  font-size: 1rem;
  color: var(--muted);
  margin: 0 auto 20px;
  max-width: 650px;
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 18px;
}

.primary-btn,
.secondary-btn {
  border: 1px solid #cfc3b2;
  border-radius: 10px;
  padding: 11px 16px;
  font-weight: 600;
  cursor: pointer;
  background: #f8f4ec;
  color: var(--text);
  transition: background 0.2s ease;
}

.primary-btn {
  background: #e9e0d0;
}

.primary-btn:hover,
.secondary-btn:hover {
  background: #e2d8c8;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.feature-card {
  background: var(--panel-strong);
  border-radius: 12px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.feature-card strong {
  font-size: 1.2rem;
}

.feature-card span {
  color: var(--muted);
  font-size: 0.92rem;
}

.top-bar,
.score-row,
.action-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.pill {
  background: #f2ebdf;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.92rem;
}

.timer-pill {
  font-weight: 700;
  min-width: 68px;
  text-align: center;
}

.score-row {
  margin: 18px 0 10px;
}

.score-tile {
  flex: 1;
  min-width: 120px;
  background: var(--panel-strong);
  border-radius: 12px;
  padding: 14px;
}

.score-tile .label {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 4px;
}

.score-tile strong {
  font-size: 1.25rem;
}

.category-tag {
  display: inline-block;
  margin: 6px 0 12px;
  color: var(--accent-2);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.74rem;
}

#question-text {
  font-size: clamp(1.2rem, 2.1vw, 1.5rem);
  line-height: 1.4;
  margin-bottom: 18px;
}

.options-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.option-btn {
  text-align: left;
  border: 1px solid #d8ccb9;
  background: #f8f4ec;
  color: var(--text);
  padding: 12px 14px;
  border-radius: 12px;
  cursor: pointer;
}

.option-btn:hover {
  background: #efe4cf;
}

.option-btn.selected {
  border-color: var(--accent-2);
  background: #e4d8c2;
}

.option-btn.correct {
  border-color: var(--good);
  background: #e2e8d7;
}

.option-btn.wrong {
  border-color: var(--danger);
  background: #f1d9d9;
}

.feedback {
  min-height: 36px;
  margin: 18px 0 8px;
  font-weight: 600;
  color: var(--accent-2);
}

.feedback.error {
  color: var(--danger);
}

.hidden {
  display: none !important;
}

.results-card {
  text-align: center;
}

.result-summary {
  color: var(--muted);
  font-size: 1rem;
  margin: 10px 0 20px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}

.summary-box {
  background: var(--panel-strong);
  border-radius: 12px;
  padding: 14px;
}

.summary-box span {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  margin-bottom: 4px;
}

.summary-box strong {
  font-size: 1.2rem;
}

@media (max-width: 720px) {
  .hero-card,
  .game-card,
  .results-card {
    padding: 22px;
  }

  .options-grid,
  .feature-grid,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .action-row {
    flex-direction: column;
    align-items: stretch;
  }

  .primary-btn,
  .secondary-btn {
    width: 100%;
  }
}