.reasoning-quiz-picker { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.reasoning-quiz-choice { display: grid; justify-items: start; gap: 0.65rem; text-align: left; padding: 1.5rem; border: 1px solid var(--border-strong); border-radius: var(--radius-panel); color: var(--text-primary); background: var(--surface-panel); cursor: pointer; }
.reasoning-quiz-choice:hover { border-color: var(--brand); background: var(--surface-control); }
.reasoning-quiz-choice > strong { font-size: 1.45rem; }
.reasoning-quiz-choice > span:not(.reasoning-quiz-emblem):not(.reasoning-quiz-start), .reasoning-quiz-choice > small { color: var(--text-muted); line-height: 1.5; }
.reasoning-quiz-emblem { width: 3rem; height: 3rem; padding: 0.55rem; color: var(--brand); border: 1px solid var(--border-subtle); background: var(--brand-soft); border-radius: var(--radius-control); }
.reasoning-quiz-start { display: flex; align-items: center; justify-content: space-between; gap: 1rem; width: 100%; padding-top: 0.65rem; border-top: 1px solid var(--border-subtle); color: var(--brand); }
.reasoning-quiz-help { padding: 0.8rem 0; color: var(--text-muted); font-size: 0.85rem; }
.reasoning-quiz-help > summary { min-height: 44px; display: flex; align-items: center; cursor: pointer; }
.reasoning-quiz-help p { max-width: 60rem; line-height: 1.6; }
.reasoning-numbers-picker > summary { font-size: 1.1rem; color: var(--text-primary); }
.reasoning-numbers-picker .quiz-set-grid { margin-top: 0.75rem; }
.reasoning-question h3 { margin: 0; font-size: 1.5rem; color: var(--brand); }
.reasoning-question legend { max-width: 65rem; font-size: 1.1rem; line-height: 1.65; }
.reasoning-question .quiz-answer-grid { margin-top: 1rem; }
.reasoning-question .quiz-feedback { max-width: 65rem; }
.reasoning-question .quiz-answer:has(input:checked) { border-color: var(--brand); background: var(--brand-soft); }
.logic-card-hint { color: var(--text-muted); font-size: 0.85rem; line-height: 1.6; }
.logic-card-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.85rem; max-width: 50rem; margin-top: 1rem; }
.logic-card { display: grid; position: relative; min-width: 0; perspective: 900px; cursor: pointer; }
.logic-card > input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.logic-card-turn { position: relative; display: block; height: 180px; transform-style: preserve-3d; transition: transform 350ms ease; }
.logic-card-face { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 1rem; border: 1px solid var(--border-strong); border-radius: var(--radius-panel); background: var(--surface-panel); color: var(--text-primary); backface-visibility: hidden; }
.logic-card-face svg { width: 3.2rem; height: 3.2rem; color: var(--brand); }
.logic-card-back { transform: rotateY(180deg); background: var(--brand-soft); }
.logic-card.is-flipped .logic-card-turn { transform: rotateY(180deg); }
.logic-card.is-revealing .logic-card-turn { animation: logic-card-reveal 350ms ease both; }
@keyframes logic-card-reveal { from { transform: rotateY(0); } to { transform: rotateY(180deg); } }
.logic-card:has(input:checked) .logic-card-face { border: 2px solid var(--brand); }
.logic-card:has(input:focus-visible) .logic-card-turn { outline: 2px solid var(--brand); outline-offset: 4px; border-radius: var(--radius-panel); }
.logic-card-state { opacity: 0; text-align: center; padding: 0.5rem 0; color: var(--brand); font-size: 0.8rem; }
.logic-card:has(input:checked) .logic-card-state, .logic-card.is-correct .logic-card-state { opacity: 1; }
.logic-card.is-incorrect .logic-card-state { color: var(--tone-contradiction); }
.reasoning-number-answer { display: grid; justify-items: start; gap: 0.6rem; }
.reasoning-number-answer input { width: 7rem; min-height: 48px; border: 1px solid var(--border-strong); border-radius: var(--radius-control); background: var(--surface-panel); color: var(--text-primary); font-size: 1.3rem; padding: 0.65rem; }
.reasoning-impact-bars { display: grid; gap: 1rem; max-width: 38rem; margin-top: 1rem; padding: 1rem; border: 1px solid var(--border-subtle); border-radius: var(--radius-panel); background: var(--surface-panel); }
.reasoning-impact-bars > div { display: grid; grid-template-columns: 2rem 1fr; gap: 0.4rem; font-size: 0.9rem; }
.reasoning-impact-track { grid-column: 2; position: relative; height: 1rem; }
.reasoning-impact-track i, .reasoning-impact-track b { position: absolute; height: 100%; inset: 0 auto 0 0; background: var(--text-muted); opacity: 0.3; border-radius: 2px; }
.reasoning-impact-track b { background: var(--brand); opacity: 1; }
.reasoning-quiz-choice:focus-visible, .reasoning-question :is(button, a, input):focus-visible, .reasoning-quiz-help > summary:focus-visible { outline: 2px solid var(--brand); outline-offset: 4px; }
@media (max-width: 600px) {
  .reasoning-quiz-picker { grid-template-columns: 1fr; }
  .reasoning-quiz-choice { padding: 1.1rem; }
  .logic-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.7rem; }
  .logic-card-turn { height: 140px; }
  .logic-card-face svg { width: 2.8rem; height: 2.8rem; }
}
@media (prefers-reduced-motion: reduce) { .logic-card-turn { transition: none; } .logic-card.is-revealing .logic-card-turn { animation: none; } }