/* ───────────────────────────────────────────
   QUIZ, moteur générique
   ─────────────────────────────────────────── */

.quiz-shell {
  max-width: 780px;
  margin: 0 auto;
  padding: var(--sp-6) var(--sp-4) var(--sp-16);
}

.quiz-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  margin-bottom: var(--sp-6);
}

.quiz-back {
  color: var(--on-surface-variant);
  text-decoration: none;
  font-size: var(--body-md);
  transition: color var(--duration-md) var(--ease-out-expo);
}
.quiz-back:hover { color: var(--primary); }

.quiz-counter {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--on-surface-variant);
  font-size: var(--body-md);
  letter-spacing: 0.02em;
}
.quiz-counter strong { color: var(--on-surface); }

/* Barre de progression */
.quiz-progress {
  height: 6px;
  background: var(--surface-container);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: var(--sp-10);
}
.quiz-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--tertiary));
  border-radius: 999px;
  transition: width var(--duration-lg) var(--ease-out-expo);
}

/* Carte question */
.quiz-card {
  background: var(--surface-container);
  border-radius: 32px;
  padding: var(--sp-10) var(--sp-8);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: quiz-card-in 500ms var(--ease-out-expo) both;
}

@keyframes quiz-card-in {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.quiz-card.shake {
  animation: quiz-shake 420ms cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}
@keyframes quiz-shake {
  10%, 90%  { transform: translateX(-2px); }
  20%, 80%  { transform: translateX(4px); }
  30%, 50%, 70% { transform: translateX(-8px); }
  40%, 60%  { transform: translateX(8px); }
}

.quiz-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--label-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 14%, transparent);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: var(--sp-4);
}

.quiz-question {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  font-weight: 600;
  line-height: 1.35;
  color: var(--on-surface);
  margin: 0 0 var(--sp-8);
}

.quiz-hint {
  font-size: var(--body-md);
  color: var(--on-surface-variant);
  margin: calc(-1 * var(--sp-6)) 0 var(--sp-6);
}

/* Liste des réponses */
.quiz-answers {
  display: grid;
  gap: var(--sp-3);
  list-style: none;
  padding: 0;
  margin: 0;
}

.quiz-answer {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-6);
  background: var(--surface-container-high);
  border-radius: 18px;
  cursor: pointer;
  color: var(--on-surface);
  font-size: var(--body-lg);
  line-height: 1.5;
  transition: background var(--duration-md) var(--ease-out-expo), transform var(--duration-md) var(--ease-out-expo);
  user-select: none;
}
.quiz-answer:hover {
  background: var(--surface-container-highest);
  transform: translateY(-1px);
}
.quiz-answer.selected {
  background: color-mix(in srgb, var(--primary) 18%, var(--surface-container));
  box-shadow: inset 0 0 0 2px var(--primary);
}

.quiz-answer .bullet {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--surface-bright);
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--on-surface-variant);
  margin-top: 2px;
  transition: background var(--duration-md), color var(--duration-md);
}
.quiz-answer.selected .bullet {
  background: var(--primary);
  color: var(--on-primary);
}

/* États locked (après soumission) */
.quiz-answer.locked { cursor: default; }
.quiz-answer.locked:hover { transform: none; }

.quiz-answer.correct {
  background: color-mix(in srgb, #3dd68c 22%, var(--surface-container));
  box-shadow: inset 0 0 0 2px #3dd68c;
}
.quiz-answer.correct .bullet {
  background: #3dd68c;
  color: #0a2e1d;
}
.quiz-answer.wrong {
  background: color-mix(in srgb, #ff5a5a 22%, var(--surface-container));
  box-shadow: inset 0 0 0 2px #ff5a5a;
}
.quiz-answer.wrong .bullet {
  background: #ff5a5a;
  color: #3a0a0a;
}
.quiz-answer.missed {
  background: color-mix(in srgb, #3dd68c 10%, var(--surface-container));
  box-shadow: inset 0 0 0 2px color-mix(in srgb, #3dd68c 50%, transparent);
}

/* Champ texte libre */
.quiz-text-input {
  width: 100%;
  padding: var(--sp-4) var(--sp-6);
  background: var(--surface-container-high);
  border: 0;
  border-radius: 18px;
  color: var(--on-surface);
  font-family: var(--font-body);
  font-size: var(--body-lg);
  line-height: 1.5;
  min-height: 120px;
  resize: vertical;
  outline: none;
  transition: background var(--duration-md);
}
.quiz-text-input:focus {
  background: var(--surface-container-highest);
  box-shadow: inset 0 0 0 2px var(--primary);
}
.quiz-text-input.correct {
  background: color-mix(in srgb, #3dd68c 18%, var(--surface-container));
  box-shadow: inset 0 0 0 2px #3dd68c;
}
.quiz-text-input.wrong {
  background: color-mix(in srgb, #ff5a5a 18%, var(--surface-container));
  box-shadow: inset 0 0 0 2px #ff5a5a;
}

/* Boutons */
.quiz-actions {
  display: flex;
  gap: var(--sp-3);
  margin-top: var(--sp-8);
  flex-wrap: wrap;
}
.quiz-btn {
  appearance: none;
  border: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--body-lg);
  padding: 14px 28px;
  border-radius: 999px;
  cursor: pointer;
  transition: transform var(--duration-md) var(--ease-out-expo), background var(--duration-md);
}
.quiz-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.quiz-btn-primary {
  background: var(--primary);
  color: var(--on-primary);
}
.quiz-btn-primary:not(:disabled):hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}
.quiz-btn-ghost {
  background: transparent;
  color: var(--on-surface-variant);
}
.quiz-btn-ghost:hover { color: var(--on-surface); }

/* Feedback bloc sous la question */
.quiz-feedback {
  margin-top: var(--sp-6);
  padding: var(--sp-6);
  border-radius: 22px;
  animation: quiz-feedback-in 400ms var(--ease-out-expo) both;
}
@keyframes quiz-feedback-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.quiz-feedback.ok {
  background: color-mix(in srgb, #3dd68c 14%, var(--surface-container-low));
}
.quiz-feedback.ko {
  background: color-mix(in srgb, #ff5a5a 14%, var(--surface-container-low));
}
.quiz-feedback h4 {
  margin: 0 0 var(--sp-2);
  font-family: var(--font-display);
  font-size: var(--title-md);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.quiz-feedback.ok h4 { color: #3dd68c; }
.quiz-feedback.ko h4 { color: #ff7a7a; }
.quiz-feedback p {
  margin: 0 0 var(--sp-3);
  color: var(--on-surface);
  line-height: 1.6;
}
.quiz-feedback .renvois {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.quiz-feedback .renvois a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--surface-container-high);
  color: var(--on-surface);
  text-decoration: none;
  border-radius: 12px;
  font-size: var(--body-md);
  transition: background var(--duration-md);
  align-self: flex-start;
}
.quiz-feedback .renvois a:hover {
  background: var(--surface-container-highest);
}

/* Écran final */
.quiz-final {
  text-align: center;
  padding: var(--sp-12) var(--sp-6);
  background: var(--surface-container);
  border-radius: 32px;
  animation: quiz-card-in 500ms var(--ease-out-expo) both;
}
.quiz-final .score-ring {
  width: 180px;
  height: 180px;
  margin: 0 auto var(--sp-6);
  position: relative;
}
.quiz-final .score-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}
.quiz-final .score-ring .bg {
  fill: none;
  stroke: var(--surface-container-high);
  stroke-width: 14;
}
.quiz-final .score-ring .fg {
  fill: none;
  stroke: url(#quiz-grad);
  stroke-width: 14;
  stroke-linecap: round;
  stroke-dasharray: 503;
  stroke-dashoffset: 503;
  transition: stroke-dashoffset 1.2s var(--ease-out-expo);
}
.quiz-final .score-ring .label {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.6rem;
  color: var(--on-surface);
}

.quiz-final h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin: 0 0 var(--sp-3);
}
.quiz-final p { color: var(--on-surface-variant); margin: 0 0 var(--sp-8); }

.quiz-recap {
  text-align: left;
  margin: var(--sp-8) 0;
  display: grid;
  gap: var(--sp-3);
}
.quiz-recap-item {
  padding: var(--sp-4) var(--sp-6);
  background: var(--surface-container-low);
  border-radius: 16px;
  display: flex;
  gap: var(--sp-4);
  align-items: flex-start;
}
.quiz-recap-item .icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 14px;
}
.quiz-recap-item.ok .icon { background: #3dd68c; color: #0a2e1d; }
.quiz-recap-item.ko .icon { background: #ff5a5a; color: #3a0a0a; }
.quiz-recap-item .q {
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0 0 4px;
}
.quiz-recap-item .links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}
.quiz-recap-item .links a {
  font-size: var(--body-md);
  color: var(--primary);
  text-decoration: none;
  padding: 6px 12px;
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  border-radius: 10px;
}
.quiz-recap-item .links a:hover { background: color-mix(in srgb, var(--primary) 20%, transparent); }

.quiz-final-actions {
  display: flex;
  justify-content: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin-top: var(--sp-8);
}

/* Confettis */
.quiz-confetti {
  pointer-events: none;
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: 9999;
}
.quiz-confetti span {
  position: absolute;
  top: -20px;
  width: 10px;
  height: 16px;
  border-radius: 2px;
  animation: quiz-fall linear forwards;
}
@keyframes quiz-fall {
  to {
    transform: translateY(105vh) rotate(720deg);
    opacity: 0.8;
  }
}

/* Responsive */
@media (max-width: 640px) {
  .quiz-shell { padding: var(--sp-4) var(--sp-3) var(--sp-12); }
  .quiz-card { padding: var(--sp-6) var(--sp-4); border-radius: 24px; }
  .quiz-answer { padding: var(--sp-3) var(--sp-4); font-size: var(--body-md); }
  .quiz-actions { flex-direction: column-reverse; }
  .quiz-btn { width: 100%; }
  .quiz-final .score-ring { width: 140px; height: 140px; }
  .quiz-final .score-ring .label { font-size: 2rem; }
}