:root {
  --encre: #14213d;
  --gris: #5a6478;
  --trait: #d7dce5;
  --fond: #ffffff;
  --fond-doux: #f6f8fb;
  --accent: #1f4b8e;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--fond);
  color: var(--encre);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.cadre {
  max-width: 680px;
  margin: 0 auto;
  padding: 32px 24px 96px;
}

.progression {
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--gris);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--trait);
  margin-bottom: 32px;
}

h1 {
  font-size: 26px;
  font-weight: 650;
  line-height: 1.3;
  margin: 0 0 20px;
}

h2 {
  font-size: 19px;
  font-weight: 600;
  margin: 32px 0 12px;
}

p { margin: 0 0 16px; }

.doux { color: var(--gris); }

ul.reperes {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
}

ul.reperes li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
}

ul.reperes li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--gris);
}

.retenir {
  background: var(--fond-doux);
  border-left: 3px solid var(--accent);
  padding: 14px 18px;
  margin: 24px 0 0;
}

.champs { margin: 28px 0 8px; }

.champ { margin-bottom: 16px; }

.champ label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}

.champ input[type="text"] {
  width: 100%;
  font: inherit;
  color: inherit;
  padding: 11px 13px;
  border: 1px solid var(--trait);
  border-radius: 6px;
  background: var(--fond);
}

.champ input[type="text"]:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

.case {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 24px 0;
  cursor: pointer;
}

.case input { margin-top: 4px; flex-shrink: 0; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

button {
  font: inherit;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: 6px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #ffffff;
  cursor: pointer;
}

button:hover:not(:disabled) { background: #173c73; }

button:focus-visible {
  outline: 2px solid var(--encre);
  outline-offset: 2px;
}

button:disabled {
  background: var(--trait);
  border-color: var(--trait);
  color: #8b93a3;
  cursor: not-allowed;
}

button.secondaire {
  background: transparent;
  color: var(--accent);
}

button.secondaire:hover:not(:disabled) { background: var(--fond-doux); }

.mention {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--trait);
  font-size: 13px;
  color: var(--gris);
}

.etat-chargement, .etat-erreur {
  padding: 48px 0;
  color: var(--gris);
}

.etat-erreur { color: var(--encre); }

@media (max-width: 520px) {
  .cadre { padding: 24px 18px 64px; }
  h1 { font-size: 22px; }
  .actions button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

h1.intro {
  font-size: 21px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 24px;
}

.bandeau {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  align-items: baseline;
  padding-bottom: 14px;
  margin-bottom: 28px;
  border-bottom: 2px solid var(--encre);
}

.bandeau .marque {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.bandeau .contexte {
  font-size: 13px;
  color: var(--gris);
}

.liste-outils .case { margin: 0 0 14px; }

.liste-outils .precision {
  margin: -6px 0 18px 26px;
  padding-left: 12px;
  border-left: 2px solid var(--trait);
}

.liste-outils .precision label {
  font-size: 13px;
  font-weight: 500;
  color: var(--gris);
}

.liste-outils .precision[hidden] { display: none; }

.exclusif {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--trait);
}

.exclusif .case { margin: 0; }

/* Ecran de taches (fil 50) */
.entete-outil { font-size: 0.85rem; letter-spacing: 0.04em; text-transform: uppercase; margin: 0 0 0.4rem; }
.groupe-taches { font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; margin: 1.4rem 0 0.5rem; }
.rappel { border-left: 3px solid currentColor; padding: 0.7rem 0.9rem; margin: 1rem 0; font-size: 0.95rem; }

/* Ecran de questions (fil 51) */
.compteur-taches {
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--gris);
  margin: 0 0 0.4rem;
}

fieldset.question {
  border: 0;
  border-top: 1px solid var(--trait);
  padding: 20px 0 4px;
  margin: 0;
}

fieldset.question[hidden] { display: none; }

fieldset.question legend {
  display: block;
  width: 100%;
  padding: 0;
  margin-bottom: 6px;
}

.surtitre-question {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gris);
  margin-bottom: 6px;
}

.titre-question {
  display: block;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
}

fieldset.question .case { margin: 12px 0; }

/* Recapitulatif (§2.6.3) */
.recap-outil {
  margin: 28px 0 10px;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.recap-liste {
  list-style: none;
  margin: 0;
  padding: 0;
}
.recap-ligne {
  border-top: 1px solid #d9d9d9;
  padding: 14px 0;
}
.recap-tache {
  margin: 0 0 6px;
  font-weight: 600;
}
.recap-detail {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.6;
}
.recap-cle {
  font-weight: 600;
}
.recap-sep {
  opacity: 0.5;
}
.lien-modifier {
  margin-top: 10px;
  padding: 6px 14px;
  font-size: 0.85rem;
  background: transparent;
  color: inherit;
  border: 1px solid currentColor;
  cursor: pointer;
}