.o-reaction { display: grid; gap: 14px; margin-block: 18px; }
.reaction__zone {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  inline-size: 100%; min-block-size: 40dvh;
  padding: 20px;
  border: 0; border-radius: var(--rayon);
  outline: 2px solid #0006; outline-offset: -8px;
  color: var(--encre);
  cursor: pointer;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
}
.reaction__zone[data-etat="pret"], .reaction__zone[data-etat="resultat"] { background: var(--orange); }
.reaction__zone[data-etat="attente"] { background: var(--rouge); }
.reaction__zone[data-etat="go"] { background: var(--vert); }
.reaction__zone[data-etat="faux"] { background: var(--rose); color: #fff; }
.reaction__zone[data-etat="choix"] { background: var(--encre); color: var(--stimulus, var(--papier)); }
.reaction__titre { font-family: var(--titre); font-weight: 900; font-size: clamp(3rem, 15vw, 6rem); line-height: 1; text-transform: var(--casse-titre); }
.reaction__aide { font-weight: 650; font-size: 1.05rem; }
.reaction__suivi { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.reaction__label { margin: 0; color: var(--gris); font-weight: 700; font-size: .92rem; }
.reaction__pads { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 72px; gap: 8px; direction: ltr; touch-action: none; }
.reaction__pads[hidden] { display: none; }
.reaction__pads[data-n="2"] { grid-template-columns: 1fr 1fr; grid-auto-rows: 104px; }
.reaction__pad { border: 0; border-radius: 12px; background: var(--couleur); color: var(--encre); font-size: 2rem; line-height: 1; cursor: pointer; touch-action: none; user-select: none; -webkit-user-select: none; }
.reaction__pad[data-pos="haut"] { grid-area: 1 / 2; }
.reaction__pad[data-pos="gauche"] { grid-area: 2 / 1; }
.reaction__pad[data-pos="droite"] { grid-area: 2 / 3; }
.reaction__pad[data-pos="bas"] { grid-area: 3 / 2; }
.reaction__pads[data-n="2"] .reaction__pad { grid-area: auto; }
.reaction__zone[data-etat="go"] .reaction__titre, .reaction__zone[data-etat="choix"] .reaction__titre { transform: none; }
.reaction__mesure { font-size: .95rem; color: var(--gris); }
@media (orientation: landscape) and (max-height: 520px) {
  .reaction__zone { min-block-size: 70dvh; }
}