/* ============================================================
   1. DESIGN TOKENS
   ============================================================ */
:root {
  --qi-bg:          #faf9f7;
  --qi-surface:     #ffffff;
  --qi-surface-alt: #f4f1ec;
  --qi-text:        #1a1a1a;
  --qi-muted:       #6b6b6b;
  --qi-accent:      #4338ca;
  --qi-accent-2:    #0891b2;
  --qi-accent-3:    #16a34a;
  --qi-danger:      #dc2626;
  --qi-border:      #e5e2dc;
  --qi-radius:      10px;
  --qi-shadow:      0 2px 12px rgba(0, 0, 0, .08);
  --qi-transition:  0.2s ease;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --qi-bg:          #16161a;
    --qi-surface:     #1f1f24;
    --qi-surface-alt: #26262c;
    --qi-text:        #f2f2f0;
    --qi-muted:       #a0a0a8;
    --qi-accent:      #a5b4fc;
    --qi-accent-2:    #67e8f9;
    --qi-accent-3:    #4ade80;
    --qi-danger:      #f87171;
    --qi-border:      #34343c;
    --qi-shadow:      0 2px 16px rgba(0, 0, 0, .4);
  }
}

:root[data-theme="dark"] {
  --qi-bg:          #16161a;
  --qi-surface:     #1f1f24;
  --qi-surface-alt: #26262c;
  --qi-text:        #f2f2f0;
  --qi-muted:       #a0a0a8;
  --qi-accent:      #a5b4fc;
  --qi-accent-2:    #67e8f9;
  --qi-accent-3:    #4ade80;
  --qi-danger:      #f87171;
  --qi-border:      #34343c;
  --qi-shadow:      0 2px 16px rgba(0, 0, 0, .4);
}

/* ============================================================
   3. LAYOUT APP PRINCIPAL
   ============================================================ */
.qi-screen {
  background: var(--qi-surface);
  border: 1px solid var(--qi-border);
  border-radius: var(--qi-radius);
  box-shadow: var(--qi-shadow);
  padding: clamp(1.25rem, 4vw, 2.5rem);
  color: var(--qi-text);
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  animation: qi-fade-up 0.35s ease;
}

.qi-screen[hidden] { display: none; }

@keyframes qi-fade-up {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.qi-screen h1 {
  font-size: clamp(1.5rem, 3.5vw, 2.1rem);
  margin: 0;
}

.qi-screen h2 {
  font-size: 1.15rem;
  margin: 0.5rem 0 0;
}

.qi-lede { color: var(--qi-muted); line-height: 1.6; }
.qi-meta { color: var(--qi-muted); font-size: 0.9rem; }

/* ============================================================
   4. ZONE A — INTRO / DISCLAIMER
   ============================================================ */
.qi-disclaimer {
  background: var(--qi-surface-alt);
  border: 1px solid var(--qi-border);
  border-left: 4px solid var(--qi-accent-2);
  border-radius: 8px;
  padding: 1rem 1.25rem;
}

.qi-disclaimer strong { display: block; margin-bottom: 0.35rem; }
.qi-disclaimer p { margin: 0; color: var(--qi-muted); line-height: 1.55; font-size: 0.92rem; }

.qi-domains {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem 1rem;
  padding: 0;
  margin: 0;
}

.qi-domains li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
}

.qi-domains__icon { color: var(--qi-accent); }

/* ============================================================
   5. ZONE B — DÉROULEMENT DU TEST
   ============================================================ */
.qi-progress { display: flex; flex-direction: column; gap: 0.5rem; }

.qi-progress__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--qi-muted);
}

.qi-progress__subtest { font-weight: 600; color: var(--qi-text); }

.qi-timer {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--qi-accent-2);
  min-width: 3.5ch;
  text-align: right;
}

.qi-timer.qi-timer--low { color: var(--qi-danger); }

.qi-progress__bar {
  height: 8px;
  background: var(--qi-surface-alt);
  border-radius: 100px;
  overflow: hidden;
}

.qi-progress__fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--qi-accent), var(--qi-accent-2));
  transition: width var(--qi-transition);
}

.qi-instructions { color: var(--qi-muted); font-size: 0.95rem; }

.qi-item-area { min-height: 220px; display: flex; flex-direction: column; gap: 1.25rem; }

.qi-prompt {
  font-size: clamp(1.1rem, 2.6vw, 1.4rem);
  font-weight: 600;
  text-align: center;
}

/* ---- Matrices (raisonnement logique) ---- */
.qi-matrix {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  max-width: 320px;
  margin: 0 auto;
}

.qi-matrix__cell {
  aspect-ratio: 1;
  background: var(--qi-surface-alt);
  border: 1px solid var(--qi-border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2px;
  padding: 6px;
}

.qi-matrix__cell--missing {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--qi-muted);
}

.qi-matrix__cell svg { width: 22%; height: auto; min-width: 14px; }

.qi-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  gap: 0.6rem;
}

.qi-option {
  background: var(--qi-surface-alt);
  border: 2px solid var(--qi-border);
  border-radius: 8px;
  padding: 0.7rem;
  cursor: pointer;
  transition: border-color var(--qi-transition), background var(--qi-transition);
  color: var(--qi-text);
  font-size: 1rem;
  font-family: inherit;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  flex-wrap: wrap;
  gap: 2px;
}

.qi-option svg { width: 26%; height: auto; min-width: 16px; }

.qi-option:hover { border-color: var(--qi-accent-2); }
.qi-option[aria-checked="true"] {
  border-color: var(--qi-accent);
  background: color-mix(in srgb, var(--qi-accent) 12%, var(--qi-surface-alt));
}

/* ---- Empan de chiffres (mémoire de travail) ---- */
.qi-digitspan { display: flex; flex-direction: column; align-items: center; gap: 1rem; }

.qi-digitspan__display {
  font-size: clamp(2.2rem, 8vw, 3.5rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  font-variant-numeric: tabular-nums;
  min-height: 4rem;
  display: flex;
  align-items: center;
  color: var(--qi-accent);
}

.qi-digitspan__hint { color: var(--qi-muted); font-size: 0.9rem; text-align: center; }

.qi-digitspan__input {
  font-size: 1.4rem;
  text-align: center;
  letter-spacing: 0.15em;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  border: 2px solid var(--qi-border);
  background: var(--qi-surface);
  color: var(--qi-text);
  width: min(280px, 90%);
  font-variant-numeric: tabular-nums;
}

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

/* ============================================================
   6. ZONE C — RÉSULTATS
   ============================================================ */
.qi-result-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 1.5rem 1rem;
  background: var(--qi-surface-alt);
  border-radius: var(--qi-radius);
}

.qi-result-score {
  font-size: clamp(3rem, 10vw, 4.5rem);
  font-weight: 800;
  color: var(--qi-accent);
  line-height: 1;
}

.qi-result-band { font-size: 1.15rem; font-weight: 600; }
.qi-result-percentile { color: var(--qi-muted); font-size: 0.95rem; }

.qi-breakdown { display: flex; flex-direction: column; gap: 0.75rem; }

.qi-breakdown__row { display: flex; flex-direction: column; gap: 0.3rem; }

.qi-breakdown__label {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
}

.qi-breakdown__label strong { color: var(--qi-text); }
.qi-breakdown__label span { color: var(--qi-muted); }

.qi-breakdown__bar {
  height: 10px;
  background: var(--qi-surface-alt);
  border-radius: 100px;
  overflow: hidden;
}

.qi-breakdown__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--qi-accent-2), var(--qi-accent-3));
  border-radius: 100px;
}

/* ============================================================
   7. COMPOSANTS GÉNÉRIQUES
   ============================================================ */
.qi-btn {
  align-self: center;
  background: var(--qi-surface-alt);
  border: 1px solid var(--qi-border);
  color: var(--qi-text);
  padding: 0.75rem 1.75rem;
  border-radius: 100px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--qi-transition);
}

.qi-btn:hover { border-color: var(--qi-accent); }

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

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

.qi-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.qi-actions { display: flex; justify-content: center; }

.qi-toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--qi-text);
  color: var(--qi-bg);
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  box-shadow: var(--qi-shadow);
  z-index: 200;
  max-width: 90vw;
}

.qi-toast[hidden] { display: none; }

/* ============================================================
   8. ÉTATS
   ============================================================ */
.qi-option:disabled { cursor: not-allowed; opacity: 0.7; }

/* ============================================================
   9. RESPONSIVE
   ============================================================ */
@media (max-width: 600px) {
  .qi-domains { grid-template-columns: 1fr; }
  .qi-matrix { max-width: 260px; }
  .qi-options { grid-template-columns: repeat(2, 1fr); }
}