/* ==========================================================================
   1. Design tokens
   ========================================================================== */
:root {
  --cit-bg:        #faf7f2;
  --cit-surface:   #ffffff;
  --cit-text:      #26211b;
  --cit-muted:     #746b5e;
  --cit-accent:    #9a5b13;
  --cit-accent-2:  #6b4a8a;
  --cit-success:   #2e7d4f;
  --cit-danger:    #b3402a;
  --cit-border:    #e6ddcf;
  --cit-radius:    12px;
  --cit-shadow:    0 4px 20px rgba(38, 33, 27, .08);
  --cit-transition: 0.2s ease;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --cit-bg:      #1b1712;
    --cit-surface: #262019;
    --cit-text:    #f2ece1;
    --cit-muted:   #b3a894;
    --cit-accent:  #e0a64e;
    --cit-accent-2:#c4a6ec;
    --cit-success: #6fce97;
    --cit-danger:  #ef8a72;
    --cit-border:  #3a3226;
    --cit-shadow:  0 4px 24px rgba(0, 0, 0, .4);
  }
}

/* ==========================================================================
   2. Thème alternatif explicite
   ========================================================================== */
:root[data-theme="dark"] {
  --cit-bg:      #1b1712;
  --cit-surface: #262019;
  --cit-text:    #f2ece1;
  --cit-muted:   #b3a894;
  --cit-accent:  #e0a64e;
  --cit-accent-2:#c4a6ec;
  --cit-success: #6fce97;
  --cit-danger:  #ef8a72;
  --cit-border:  #3a3226;
  --cit-shadow:  0 4px 24px rgba(0, 0, 0, .4);
}

/* ==========================================================================
   3. Layout app principal
   ========================================================================== */
[hidden] { display: none !important; }

.cit-app {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
  color: var(--cit-text);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* ==========================================================================
   4. Zone A / en-tête
   ========================================================================== */
.cit-intro {
  text-align: center;
}

.cit-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 700;
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  letter-spacing: -0.02em;
  margin: 0 0 .5rem;
}

.cit-subtitle {
  color: var(--cit-muted);
  font-size: 1rem;
  line-height: 1.6;
  margin: 0;
}

.cit-modes {
  display: flex;
  gap: .5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.cit-mode-btn {
  font-family: inherit;
  font-size: .9rem;
  font-weight: 600;
  padding: .6rem 1.1rem;
  border-radius: 100px;
  border: 1px solid var(--cit-border);
  background: var(--cit-surface);
  color: var(--cit-muted);
  cursor: pointer;
  transition: all var(--cit-transition);
}

.cit-mode-btn:hover { color: var(--cit-text); border-color: var(--cit-accent); }

.cit-mode-btn.is-active {
  background: var(--cit-accent);
  border-color: var(--cit-accent);
  color: #fff;
}

.cit-quiz-axis {
  display: flex;
  gap: .5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.cit-axis-btn {
  font-family: inherit;
  font-size: .8rem;
  font-weight: 600;
  padding: .4rem .9rem;
  border-radius: 100px;
  border: 1px solid var(--cit-border);
  background: transparent;
  color: var(--cit-muted);
  cursor: pointer;
  transition: all var(--cit-transition);
}

.cit-axis-btn:hover { color: var(--cit-text); border-color: var(--cit-accent-2); }

.cit-axis-btn.is-active {
  background: var(--cit-accent-2);
  border-color: var(--cit-accent-2);
  color: #fff;
}

/* ==========================================================================
   5. Zone B / rubriques
   ========================================================================== */
.cit-rubriques {
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.cit-filter-label {
  margin: .25rem 0 -.4rem;
  text-align: center;
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--cit-muted);
}

.cit-chips {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  justify-content: center;
}

.cit-chip {
  font-family: inherit;
  font-size: .82rem;
  font-weight: 500;
  padding: .4rem 1rem;
  border-radius: 100px;
  border: 1px solid var(--cit-border);
  background: var(--cit-surface);
  color: var(--cit-muted);
  cursor: pointer;
  transition: all var(--cit-transition);
  white-space: nowrap;
}

.cit-chip:hover { color: var(--cit-text); border-color: var(--cit-accent-2); }

.cit-chip.is-active {
  background: var(--cit-accent-2);
  border-color: var(--cit-accent-2);
  color: #fff;
}

.cit-chip-count {
  opacity: .7;
  font-size: .75em;
  margin-left: .3em;
}

.cit-author-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: .6rem;
}

.cit-author-label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--cit-muted);
}

.cit-author-select {
  font-family: inherit;
  font-size: .9rem;
  padding: .45rem .7rem;
  border-radius: 8px;
  border: 1px solid var(--cit-border);
  background: var(--cit-surface);
  color: var(--cit-text);
  flex: 1 1 260px;
  min-width: 0;
  max-width: 100%;
}

/* ==========================================================================
   6. Zone C / jeu (carte, quiz)
   ========================================================================== */
.cit-game {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.cit-card {
  width: 100%;
  height: clamp(260px, 46vh, 440px);
  perspective: 1400px;
  cursor: pointer;
}

.cit-card:focus-visible .cit-card-inner {
  outline: 2px solid var(--cit-accent);
  outline-offset: 3px;
}

.cit-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.5s cubic-bezier(.4,.2,.2,1);
  transform-style: preserve-3d;
  border-radius: var(--cit-radius);
}

.cit-card.is-flipped .cit-card-inner {
  transform: rotateY(180deg);
}

.cit-card-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: var(--cit-radius);
  background: var(--cit-surface);
  border: 1px solid var(--cit-border);
  box-shadow: var(--cit-shadow);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: .75rem;
}

.cit-card-back {
  transform: rotateY(180deg);
  justify-content: flex-start;
  align-items: stretch;
  text-align: left;
  gap: 1rem;
  overflow-y: auto;
}

.cit-card-type {
  text-transform: uppercase;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--cit-accent);
  margin: 0;
}

.cit-card-text {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(1.15rem, 3vw, 1.5rem);
  font-style: italic;
  line-height: 1.45;
  margin: 0;
}

.cit-card-hint {
  color: var(--cit-muted);
  font-size: .8rem;
  margin: 0;
}

.cit-card-explanation {
  font-size: 1rem;
  line-height: 1.65;
  margin: 0;
}

.cit-card-meta {
  font-size: .85rem;
  color: var(--cit-muted);
  margin: 0;
}

.cit-quiz-answers {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .6rem;
  width: 100%;
}

.cit-quiz-answer {
  font-family: inherit;
  font-size: .92rem;
  font-weight: 500;
  padding: .7rem .9rem;
  border-radius: 8px;
  border: 1px solid var(--cit-border);
  background: var(--cit-surface);
  color: var(--cit-text);
  cursor: pointer;
  transition: all var(--cit-transition);
}

.cit-quiz-answer:hover { border-color: var(--cit-accent-2); }

.cit-quiz-answer.is-correct {
  background: var(--cit-success);
  border-color: var(--cit-success);
  color: #fff;
}

.cit-quiz-answer.is-wrong {
  background: var(--cit-danger);
  border-color: var(--cit-danger);
  color: #fff;
}

.cit-quiz-answer:disabled { cursor: default; opacity: .85; }

.cit-feedback {
  min-height: 1.4rem;
  font-weight: 600;
  font-size: .95rem;
}

.cit-feedback.is-correct { color: var(--cit-success); }
.cit-feedback.is-wrong { color: var(--cit-danger); }

/* ==========================================================================
   7. Composants génériques (boutons, etc.)
   ========================================================================== */
.cit-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  justify-content: center;
}

.cit-btn {
  font-family: inherit;
  font-size: .92rem;
  font-weight: 600;
  padding: .65rem 1.3rem;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--cit-transition);
}

.cit-btn-primary {
  background: var(--cit-accent);
  color: #fff;
}

.cit-btn-primary:hover { filter: brightness(1.08); }

.cit-btn-ghost {
  background: transparent;
  border-color: var(--cit-border);
  color: var(--cit-text);
}

.cit-btn-ghost:hover { border-color: var(--cit-accent-2); }

.cit-stats {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding-top: .5rem;
  border-top: 1px solid var(--cit-border);
}

.cit-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .15rem;
}

.cit-stat-label {
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--cit-muted);
}

.cit-stat-value {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.3rem;
  font-weight: 700;
}

/* ==========================================================================
   8. États
   ========================================================================== */
.cit-error {
  text-align: center;
  color: var(--cit-danger);
  font-weight: 600;
}

:focus-visible {
  outline: 2px solid var(--cit-accent);
  outline-offset: 2px;
}

/* ==========================================================================
   9. Responsive
   ========================================================================== */
@media (max-width: 600px) {
  .cit-app { padding: 1rem .75rem 2.5rem; gap: 1.1rem; }
  .cit-quiz-answers { grid-template-columns: 1fr; }
  .cit-stats { gap: 1rem; }
}