.quiz-form {
  display: flex;
  flex-direction: column;
  gap: var(--margin-base);
  width: 100%;
  max-width: 800px;
  margin: 0;
}

.options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--margin-sm);
  margin-top: var(--margin-base);
}

.options-grid label {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--margin-base);
  cursor: pointer;
  text-align: center;
  transition:
    background-color 0.3s ease,
    color 0.3s ease,
    border-color 0.3s ease;
  color: var(--color-text-50);
  font-size: var(--font-base);
  min-height: 60px;
}

.options-grid input[type='radio'] {
  display: none;
}

.options-grid label:has(input:checked) {
  background-color: var(--color-yellow);
  color: black;
  border-color: var(--color-yellow);
  font-weight: 600;
}

.options-grid label:hover {
  border-color: var(--color-yellow);
}

.submit-btn {
  background: var(--color-cyan);
  color: black;
  font-weight: 600;
  padding: var(--margin-sm) var(--margin-base);
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background 0.3s ease;
  margin-bottom: var(--margin-sm);
}

.submit-btn:hover {
  background: var(--color-yellow);
  color: black;
}

.score {
  font-size: var(--font-lg);
  font-weight: 600;
  color: var(--color-cyan);
  text-align: center;
  display: none;
}

.score.show {
  display: block;
}

.options-grid label.correct {
  background-color: var(--color-cyan) !important;
  color: black !important;
  border-color: var(--color-cyan) !important;
  font-weight: 700 !important;
}

.options-grid label.wrong {
  background-color: #ff0400 !important;
  color: white !important;
  border-color: #ff0400 !important;
  font-weight: 700 !important;
}

.quiz-form.submitted .options-grid label {
  opacity: 0.6;
  cursor: default;
}

.quiz-form.submitted .options-grid label:hover {
  border-color: var(--color-border);
}

.quiz-form.submitted .options-grid label.correct,
.quiz-form.submitted .options-grid label.wrong {
  opacity: 1;
}

@media (max-width: 768px) {
  .options-grid {
    grid-template-columns: 1fr;
  }
}