.quiz-subtitle {
  max-width: 720px;
  margin: 0 auto 18px;
  text-align: center;
  font-size: 1.1rem;
}

.quiz-controls {
  max-width: 720px;
  margin: 0 auto 24px;
  padding: 16px;
  border-radius: 12px;
  background: #f8fafc;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.08);
  display: grid;
  gap: 12px;
}

.quiz-controls__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.quiz-controls__row label {
  font-weight: 600;
  color: #0f172a;
}

.quiz-controls__row select {
  flex: 1 1 160px;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid #cbd5f5;
  font-size: 1rem;
  background: #fff;
}

.quiz-primary,
.quiz-secondary {
  border: none;
  border-radius: 10px;
  padding: 10px 18px;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.quiz-primary {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff;
  font-weight: 600;
}

.quiz-secondary {
  background: #e2e8f0;
  color: #0f172a;
  font-weight: 600;
}

.quiz-primary:hover,
.quiz-secondary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.12);
}

.quiz-status {
  max-width: 720px;
  margin: 0 auto 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quiz-progress {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  color: #0f172a;
}

.quiz-players {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.quiz-player {
  background: #f1f5f9;
  border-radius: 10px;
  padding: 12px;
  display: grid;
  gap: 6px;
  border: 2px solid transparent;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.quiz-player.is-active {
  border-color: #2563eb;
  background: #e0ecff;
}

.quiz-player__label {
  font-weight: 600;
  color: #1e293b;
}

.quiz-player__score {
  font-size: 1.3rem;
  color: #0f172a;
}

.quiz-player__detail {
  font-size: 0.9rem;
  color: #475569;
}

.quiz-card {
  max-width: 720px;
  margin: 0 auto 24px;
  padding: 20px;
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.1);
  display: grid;
  gap: 16px;
}

.quiz-card__header {
  display: grid;
  gap: 10px;
}

.quiz-question {
  font-size: 1.4rem;
  color: #1e293b;
  margin: 0;
}

.quiz-explanation {
  margin: 0;
  font-size: 1rem;
  color: #475569;
}

.quiz-options {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.quiz-option {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
  padding: 12px 16px;
  border-radius: 12px;
  border: 2px solid transparent;
  background: #f8fafc;
  font-size: 1rem;
  text-align: left;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}

.quiz-option:hover:not([disabled]) {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.15);
}

.quiz-option[disabled] {
  cursor: default;
  opacity: 0.75;
}

.quiz-option.is-correct {
  border-color: #10b981;
  background: #ecfdf5;
  box-shadow: inset 0 0 0 1px rgba(16, 185, 129, 0.3);
}

.quiz-option.is-wrong {
  border-color: #ef4444;
  background: #fef2f2;
  box-shadow: inset 0 0 0 1px rgba(239, 68, 68, 0.3);
}

.quiz-option__letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  padding: 0 10px;
  height: 36px;
  border-radius: 999px;
  background: #1d4ed8;
  color: #fff;
  font-weight: 700;
}

.quiz-feedback {
  min-height: 32px;
  font-weight: 600;
  color: #1e293b;
}

@media (max-width: 640px) {
  .quiz-controls {
    padding: 12px;
  }

  .quiz-card {
    padding: 16px;
  }

  .quiz-question {
    font-size: 1.2rem;
  }
}