.quiz-shell {
  min-height: 100vh;
  max-width: 640px;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 3rem;
}

.quiz-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.quiz-skip {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}

.quiz-kicker {
  margin: 0 0 0.35rem;
  color: var(--violet);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

.quiz-main h1 {
  margin: 0 0 0.5rem;
  font-family: var(--display);
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  letter-spacing: -0.03em;
}

.quiz-sub {
  margin: 0 0 1.25rem;
  color: var(--muted);
  line-height: 1.45;
}

.quiz-progress {
  height: 6px;
  border-radius: 999px;
  background: var(--line);
  overflow: hidden;
  margin-bottom: 0.65rem;
}

.quiz-progress-bar {
  height: 100%;
  width: 10%;
  background: linear-gradient(90deg, var(--violet), var(--lavender));
  transition: width 0.2s ease;
}

.quiz-step {
  margin: 0 0 1rem;
  font-size: 0.85rem;
  color: var(--fog);
  font-weight: 600;
}

.quiz-card {
  background: var(--panel);
  border: 2px solid var(--ink);
  border-radius: 18px;
  padding: 1.25rem;
  box-shadow: 4px 4px 0 var(--yellow);
}

.quiz-card h2 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
}

.quiz-hint {
  margin: 0 0 0.9rem;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
}

.quiz-options {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 1rem;
}

.quiz-option {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  padding: 0.75rem 0.85rem;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  cursor: pointer;
  background: var(--bg);
  font-weight: 600;
  font-size: 0.92rem;
}

.quiz-option input {
  margin-top: 0.15rem;
}

.quiz-option.is-selected {
  border-color: var(--violet);
  background: var(--peach-soft);
  box-shadow: 2px 2px 0 var(--aqua);
}