:root {
  --vert:       #2d6a4f;
  --vert-clair: #52b788;
  --vert-bg:    #d8f3dc;
  --texte:      #1b2d24;
  --gris:       #6b7c72;
  --gris-clair: #e8f0eb;
  --blanc:      #ffffff;
  --erreur:     #c0392b;
  --rayon:      12px;
  --ombre:      0 2px 16px rgba(0,0,0,.08);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--gris-clair);
  color: var(--texte);
  min-height: 100dvh;
  line-height: 1.5;
}

/* ── Layout ── */

.container {
  max-width: 560px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.centree {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: 4rem;
  gap: 1rem;
}

/* ── Écrans ── */

.ecran { display: none; }
.ecran.actif { display: block; }
.ecran[hidden] { display: none !important; }

/* ── Logo / en-tête ── */

.logo-zone {
  text-align: center;
  padding: 2.5rem 0 2rem;
}

.logo-icon {
  font-size: 3rem;
  color: var(--vert);
  line-height: 1;
  margin-bottom: .75rem;
}

h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--vert);
  margin-bottom: .4rem;
}

h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--vert);
}

.sous-titre {
  color: var(--gris);
  font-size: .95rem;
}

/* ── Formulaire code ── */

.champ {
  margin-bottom: 1.25rem;
}

.champ label {
  display: block;
  font-weight: 600;
  font-size: .9rem;
  margin-bottom: .4rem;
  color: var(--texte);
}

.champ input[type="text"] {
  width: 100%;
  padding: .85rem 1rem;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-align: center;
  text-transform: uppercase;
  border: 2px solid #c5d9cc;
  border-radius: var(--rayon);
  background: var(--blanc);
  color: var(--texte);
  outline: none;
  transition: border-color .15s;
}

.champ input[type="text"]:focus {
  border-color: var(--vert);
}

/* ── Bouton principal ── */

.btn-principal {
  width: 100%;
  padding: .9rem 1.5rem;
  background: var(--vert);
  color: var(--blanc);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--rayon);
  cursor: pointer;
  transition: background .15s, transform .1s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
}

.btn-principal:hover { background: #235a41; }
.btn-principal:active { transform: scale(.98); }
.btn-principal:disabled { background: #a0b8ab; cursor: not-allowed; }

/* ── Erreurs ── */

.erreur {
  color: var(--erreur);
  font-size: .875rem;
  margin-top: .4rem;
  min-height: 1.25em;
}

/* ── Questionnaire ── */

.questionnaire-header {
  padding: 1.5rem 0 1rem;
  border-bottom: 1px solid #d0e4d7;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.instruction {
  font-size: .9rem;
  color: var(--gris);
  margin-top: .25rem;
}

.liste-items {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.item-question {
  background: var(--blanc);
  border-radius: var(--rayon);
  padding: 1rem 1.1rem;
  box-shadow: var(--ombre);
}

.item-numero {
  font-size: .75rem;
  font-weight: 700;
  color: var(--vert-clair);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: .3rem;
}

.item-texte {
  font-size: .95rem;
  font-weight: 500;
  color: var(--texte);
  margin-bottom: .85rem;
}

.item-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .5rem;
}

.option-label {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem .7rem;
  border: 2px solid #dde9e3;
  border-radius: 8px;
  cursor: pointer;
  font-size: .85rem;
  transition: border-color .12s, background .12s;
  line-height: 1.3;
}

.option-label input[type="radio"] {
  accent-color: var(--vert);
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
}

.option-label:has(input:checked) {
  border-color: var(--vert);
  background: var(--vert-bg);
}

/* ── Options en liste (questionnaires à 5-7 options) ── */

.item-options-list {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.option-label-list {
  padding: .6rem .85rem;
}

/* ── Item non répondu (validation) ── */
.item-question.non-repondu {
  border: 2px solid var(--erreur);
}

/* ── Consigne spécifique ── */
.consigne-questionnaire {
  font-size: .9rem;
  color: var(--texte);
  font-style: italic;
  margin-top: .25rem;
}

/* ── Message intro questionnaires traumatiques ── */
.alerte-intro {
  background: #fff3cd;
  border-left: 3px solid #f59e0b;
  border-radius: 6px;
  padding: .65rem .9rem;
  font-size: .875rem;
  color: #78350f;
  margin-top: .5rem;
}

/* ── Actions bas ── */

.actions-bas {
  position: sticky;
  bottom: 0;
  background: linear-gradient(transparent, var(--gris-clair) 30%);
  padding: 1.5rem 0 1rem;
}

/* ── Confirmation ── */

.confirmation-icon {
  width: 5rem;
  height: 5rem;
  background: var(--vert-bg);
  color: var(--vert);
  border-radius: 50%;
  font-size: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: .5rem;
}

/* ── Mention RGPD ── */

.mention-rgpd {
  text-align: center;
  font-size: .8rem;
  color: var(--gris);
  margin-top: 1.5rem;
  padding: .75rem;
  background: var(--vert-bg);
  border-radius: 8px;
}

/* ── LSAS : item paires ── */

.item-paire {
  background: var(--blanc);
  border-radius: var(--rayon);
  padding: 1rem 1.1rem;
  box-shadow: var(--ombre);
}

.paire-sous-question {
  margin-top: .75rem;
  padding-top: .6rem;
  border-top: 1px solid #e8f0eb;
}

.paire-label {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--gris);
  margin-bottom: .4rem;
}

.item-paire.non-repondu {
  border: 2px solid var(--erreur);
}

/* ── Écran sécurité (BDI-II) ── */

.securite-icon {
  font-size: 2.8rem;
  margin-bottom: .5rem;
}

.securite-texte {
  font-size: .95rem;
  line-height: 1.6;
  max-width: 400px;
  text-align: center;
  color: var(--texte);
  margin-bottom: .5rem;
}

.btn-securite {
  background: #c0392b;
  font-size: 1.05rem;
  font-weight: 700;
}
.btn-securite:hover { background: #a93226; }

.btn-secondaire {
  background: none;
  border: 2px solid #c5d9cc;
  color: var(--gris);
  border-radius: var(--rayon);
  padding: .7rem 1.5rem;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .15s;
}
.btn-secondaire:hover { border-color: var(--vert); color: var(--vert); }

/* ── Responsive ── */

@media (min-width: 420px) {
  .item-options {
    grid-template-columns: repeat(4, 1fr);
  }
}