.age-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 10px;
}

.age-btn {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 4px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.age-btn:hover { border-color: var(--accent-dim); }
.age-btn.active {
  background: color-mix(in srgb, var(--accent) 45%, transparent);
  border-color: var(--accent);
  color: var(--accent);
}

.ba-banner {
  background: var(--bg-card);
  border: 1px solid var(--accent-dim);
  border-radius: 12px;
  padding: 12px;
  text-align: center;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  margin-bottom: 16px;
}

.ba-sub.hidden { display: none; }

.ba-instruction {
  font-size: 15px;
  text-align: center;
  margin-bottom: 14px;
  line-height: 1.5;
}

.ba-progress {
  text-align: center;
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 12px;
}

.rx-zone {
  border-radius: 16px;
  aspect-ratio: 1 / 0.75;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  user-select: none;
  font-size: 26px;
  font-weight: 800;
  text-align: center;
  padding: 20px;
}

.rx-zone.waiting { background: var(--bg-card); border: 2px solid var(--border); }
.rx-zone.armed { background: #b53737; border: 2px solid #e44a4a; }
.rx-zone.ready { background: var(--good); border: 2px solid #22c55e; color: #0d1b2a; }
.rx-zone.fail { background: #b53737; border: 2px solid var(--bad); }

.ba-timer-row {
  text-align: center;
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 14px;
}

.ba-problem {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 16px;
  text-align: center;
  font-size: 44px;
  font-weight: 800;
  letter-spacing: 2px;
  margin-bottom: 14px;
}

.ba-choices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.ba-choice {
  background: var(--bg-card);
  border: 2px solid var(--border);
  color: var(--text);
  border-radius: 14px;
  padding: 18px;
  font-size: 24px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.1s;
}

.ba-choice:active { transform: scale(0.97); }
.ba-choice.good { background: rgba(74, 222, 128, 0.2); border-color: var(--good); }
.ba-choice.bad { background: rgba(228, 74, 74, 0.2); border-color: var(--bad); }

.ba-digit {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 16px;
  text-align: center;
  font-size: 72px;
  font-weight: 800;
  font-family: monospace;
  color: var(--accent);
  letter-spacing: 4px;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ba-input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  margin: 10px 0;
  text-align: center;
  font-size: 26px;
  font-weight: 700;
  font-family: monospace;
  letter-spacing: 8px;
  min-height: 30px;
}

.ba-keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.ba-key {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 12px;
  padding: 16px;
  font-size: 22px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.1s;
}

.ba-key:active { transform: scale(0.96); }
.ba-key:disabled { opacity: 0.4; }
.ba-key.delete { color: var(--bad); }
.ba-key.submit { color: var(--accent); background: color-mix(in srgb, var(--accent) 45%, transparent); }

.ba-result-card {
  text-align: center;
  padding: 28px 20px;
}

.ba-result-label {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
}

.ba-age {
  font-size: 88px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.1;
}

.ba-age-unit {
  font-size: 16px;
  color: var(--text-dim);
  margin-top: -8px;
}

.ba-compare {
  font-size: 14px;
  margin-top: 14px;
  line-height: 1.5;
  padding: 12px;
  border-radius: 10px;
  background: var(--bg);
}

.ba-compare.better { color: var(--good); }
.ba-compare.worse { color: var(--warn); }

.ba-breakdown {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ba-bd-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ba-bd-name {
  width: 80px;
  font-size: 13px;
  color: var(--text-dim);
}

.ba-bd-bar {
  flex: 1;
  height: 14px;
  background: var(--bg);
  border-radius: 999px;
  overflow: hidden;
}

.ba-bd-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
  transition: width 0.6s ease;
}

.ba-bd-val {
  width: 42px;
  text-align: right;
  font-size: 14px;
  font-weight: 700;
}

.ba-graph {
  width: 100%;
}

.ba-graph svg {
  width: 100%;
  height: 140px;
  display: block;
}

/* ---- Écran de transition entre les épreuves ---- */
#sub-transition {
  text-align: center;
  padding: 16px 8px 8px;
}

.ba-trans-check {
  width: 86px;
  height: 86px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--good) 22%, transparent);
  border: 2px solid var(--good);
  color: var(--good);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 50px;
  font-weight: 800;
  margin: 0 auto 18px;
  animation: ba-check-pop 0.55s cubic-bezier(0.16, 1.6, 0.3, 1);
  box-shadow: 0 0 40px color-mix(in srgb, var(--good) 35%, transparent);
}

@keyframes ba-check-pop {
  0% { transform: scale(0); opacity: 0; }
  55% { transform: scale(1.18); opacity: 1; }
  100% { transform: scale(1); }
}

.ba-trans-done {
  font-size: 13px;
  font-weight: 700;
  color: var(--good);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 6px;
}

.ba-trans-bilan {
  font-size: 32px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.ba-trans-qualifier {
  font-size: 15px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 22px;
}

.ba-trans-arrow {
  font-size: 22px;
  color: var(--text-dim);
  margin-bottom: 14px;
  opacity: 0.6;
}

.ba-trans-next-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
}

.ba-trans-next {
  font-size: 24px;
  font-weight: 800;
  color: var(--accent);
  margin: 4px 0 8px;
}

.ba-trans-next-desc {
  font-size: 14px;
  color: var(--text-dim);
  margin-bottom: 24px;
  line-height: 1.5;
  padding: 0 12px;
}

/* ---- Renforcement du résultat ---- */
.ba-celebration {
  font-size: 30px;
  font-weight: 800;
  color: var(--good);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
  animation: ba-celebration-in 0.6s cubic-bezier(0.16, 1.4, 0.3, 1);
  text-shadow: 0 0 30px color-mix(in srgb, var(--good) 45%, transparent);
}

@keyframes ba-celebration-in {
  0% { transform: translateY(-8px) scale(0.9); opacity: 0; }
  100% { transform: translateY(0) scale(1); opacity: 1; }
}

.ba-percentile {
  font-size: 15px;
  color: var(--accent);
  font-weight: 700;
  margin-top: 12px;
  padding: 8px 14px;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border-radius: 999px;
  display: inline-block;
}

.ba-motivation {
  font-size: 14px;
  color: var(--text);
  line-height: 1.55;
  margin-top: 16px;
  padding: 0 6px;
}

.ba-replay-cta {
  text-align: center;
  font-size: 14px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 10px;
  padding: 0 12px;
}