.quiz-shell {
  --quiz-theme: #4A90E2;
}

.quiz-shell .quiz-card {
  border: 1px solid var(--c-ring);
  border-radius: 1rem;
  background: var(--c-fill);
  box-shadow: 0 1px 4px rgba(0, 0, 0, .05);
}

.quiz-shell .quiz-accent {
  color: var(--quiz-theme);
}

.quiz-shell .quiz-accent-bg {
  background: color-mix(in srgb, var(--quiz-theme) 14%, transparent);
}

.quiz-shell .quiz-progress-track {
  height: .55rem;
  border-radius: 999px;
  background: var(--c-fill3);
  overflow: hidden;
}

.quiz-shell .quiz-progress-fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--quiz-theme), color-mix(in srgb, var(--quiz-theme) 72%, white));
  transition: width .18s ease;
}

.quiz-shell .quiz-option {
  width: 100%;
  text-align: left;
  border: 1px solid var(--c-ring);
  background: var(--c-fill);
  color: var(--c-text);
  border-radius: .9rem;
  transition: transform .12s ease, border-color .12s ease, background-color .12s ease, box-shadow .12s ease;
}

.quiz-shell .quiz-option:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--quiz-theme) 50%, var(--c-ring));
  box-shadow: 0 10px 20px rgba(0, 0, 0, .05);
}

.quiz-shell .quiz-option.is-selected {
  border-color: var(--quiz-theme);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--quiz-theme) 16%, transparent);
}

.quiz-shell .quiz-option-media {
  overflow: hidden;
  border-radius: .75rem;
  border: 1px solid var(--c-ring);
  background: var(--c-fill2);
}

.quiz-shell .quiz-option-media img,
.quiz-shell .quiz-question-media img,
.quiz-shell .quiz-result-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.quiz-shell .quiz-grid-image {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: .85rem;
}

.quiz-shell .quiz-list-vertical,
.quiz-shell .quiz-cards {
  display: grid;
  gap: .75rem;
}

.quiz-shell .quiz-list-horizontal {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
}

.quiz-shell .quiz-image-left {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.quiz-shell .quiz-full-bleed {
  position: relative;
  overflow: hidden;
  border-radius: 1rem;
}

.quiz-shell .quiz-full-bleed .quiz-full-bleed-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.06), rgba(0,0,0,.55));
}

.quiz-shell .quiz-share-box {
  border: 1px dashed color-mix(in srgb, var(--quiz-theme) 55%, var(--c-ring));
  border-radius: .9rem;
  background: color-mix(in srgb, var(--quiz-theme) 6%, var(--c-fill));
}

@media (min-width: 640px) {
  .quiz-shell .quiz-grid-image {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .quiz-shell .quiz-image-left {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: center;
  }
}