body {
  background:
    radial-gradient(circle at top left, rgba(59, 115, 230, 0.10), transparent 22rem),
    linear-gradient(180deg, #f8fbff 0%, #f8fafc 100%);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.option-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border: 1px solid #dbe3f0;
  border-radius: 16px;
  background: #ffffff;
  padding: 14px 16px;
  cursor: pointer;
  transition: 180ms ease;
}

.option-card:hover {
  border-color: #8fb1f2;
  background: #f8fbff;
}

.option-card:has(.peer:checked) {
  border-color: #3b73e6;
  box-shadow: 0 0 0 3px rgba(59, 115, 230, 0.12);
  background: #eef4ff;
}

.option-card:has(.peer:checked) .option-letter {
  background: #3b73e6;
  color: #ffffff;
}

.option-letter {
  display: inline-flex;
  min-width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: #eef2ff;
  color: #264f9f;
  font-weight: 700;
  flex-shrink: 0;
}

.option-text {
  color: #0f172a;
  line-height: 1.5;
}