:root {
  --fond: #f5f2ec;
  --carte: #ffffff;
  --texte: #1c1c1c;
  --texte-doux: #4d4d4d;
  --bordure: #cfc8bb;
  --principal: #1d4e89;
  --principal-fonce: #143a68;
  --vert: #1d6b42;
  --rouge: #a3302a;
  --jaune: #fff4d6;
  --rayon: 12px;
  font-size: 100%; /* 16 px */
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--fond);
  color: var(--texte);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.5;
}

h1, h2 { line-height: 1.2; color: var(--principal-fonce); }
h2 { margin: 0 0 0.75rem; font-size: 1.3rem; }

.entete { max-width: 1200px; margin: 0 auto; padding: 1.5rem 1rem 0.5rem; }
.entete h1 { margin: 0 0 0.4rem; font-size: 1.7rem; }
.entete p { margin: 0; color: var(--texte-doux); max-width: 50rem; }

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
  display: grid;
  gap: 1.25rem;
}

/* Le résultat reste visible en défilant, mais seulement à côté du formulaire :
   il s'arrête à la fin de .colonnes et ne recouvre donc pas le résumé. */
.colonnes { display: grid; gap: 1.25rem; grid-template-columns: minmax(0, 1fr); }

@media (min-width: 980px) {
  .colonnes { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); align-items: start; }
  .resultats { position: sticky; top: 1rem; max-height: calc(100vh - 2rem); overflow-y: auto; }
}

.formulaire { display: grid; gap: 1.25rem; min-width: 0; }

.carte {
  background: var(--carte);
  border: 1px solid var(--bordure);
  border-radius: var(--rayon);
  padding: 1rem 1.1rem;
  margin: 0;
  min-width: 0;
}

legend {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--principal-fonce);
  padding: 0 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.numero {
  display: inline-grid;
  place-items: center;
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 50%;
  background: var(--principal);
  color: #fff;
  font-size: 1rem;
}

.question { margin: 0 0 0.5rem; font-weight: 600; }
.aide, small { color: var(--texte-doux); }
small { display: block; font-size: 0.88rem; margin-top: 0.2rem; font-weight: 400; }
.note { background: var(--jaune); padding: 0.6rem 0.8rem; border-radius: 8px; margin: 0.75rem 0 0; }

.liste { display: grid; gap: 0.75rem; }
.liste:empty { display: none; }

.ligne {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  align-items: end;
  padding: 0.75rem;
  border-radius: 8px;
  background: #f8f6f2;
}
.ligne-titre { grid-column: 1 / -1; font-weight: 700; margin: 0; }

.champ { display: grid; gap: 0.3rem; margin-top: 0.75rem; }
.ligne .champ { margin-top: 0; }
.champ > span:first-child { font-weight: 600; }
.champ-court { max-width: 14rem; }

input[type="text"], input[type="number"], select {
  width: 100%;
  font: inherit;
  font-size: 1rem;
  padding: 0.5rem 0.7rem;
  border: 2px solid var(--bordure);
  border-radius: 8px;
  background: #fff;
  color: var(--texte);
  min-height: 2.6rem;
}
input:focus, select:focus, button:focus-visible {
  outline: 3px solid #f2b705;
  outline-offset: 1px;
  border-color: var(--principal);
}

.saisie-euros { position: relative; display: block; }
.saisie-euros input { padding-right: 2.2rem; text-align: right; }
.saisie-euros > span { position: absolute; right: 0.8rem; top: 50%; transform: translateY(-50%); color: var(--texte-doux); }

.choix-boutons { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 1rem; }
.choix-boutons label {
  flex: 1 1 10rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1rem;
  border: 2px solid var(--bordure);
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
}
.choix-boutons label:has(input:checked) { border-color: var(--principal); background: #e8f0fa; }
input[type="radio"], input[type="checkbox"] { width: 1.4rem; height: 1.4rem; accent-color: var(--principal); flex: none; }

.option { padding: 1rem 0; border-top: 1px solid #e6e0d5; }
.option:first-of-type { border-top: 0; padding-top: 0; }
.titre-option { margin: 0 0 0.75rem; }
.case { display: flex; gap: 0.75rem; align-items: flex-start; cursor: pointer; }
.case input { margin-top: 0.2rem; }
.sous-option { margin-top: 0.75rem; }

.bouton {
  font: inherit;
  font-weight: 700;
  border: 2px solid var(--principal);
  background: var(--principal);
  color: #fff;
  border-radius: 10px;
  padding: 0.75rem 1.1rem;
  cursor: pointer;
  min-height: 2.6rem;
}
.bouton:hover { background: var(--principal-fonce); }
.bouton-secondaire { background: #fff; color: var(--principal); margin-top: 0.75rem; }
.bouton-secondaire:hover { background: #e8f0fa; }
.bouton-supprimer {
  font: inherit;
  border: 2px solid var(--bordure);
  background: #fff;
  color: var(--rouge);
  border-radius: 8px;
  min-height: 2.6rem;
  padding: 0 0.9rem;
  cursor: pointer;
}

/* Résultats */
.chiffres { display: grid; gap: 0.5rem; grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr)); }
.chiffre {
  border-radius: 8px;
  padding: 0.5rem 0.7rem;
  background: #eef3f9;
  border-left: 5px solid var(--principal);
}
.chiffre .libelle { display: block; font-weight: 600; font-size: 0.85rem; }
.chiffre strong { display: block; font-size: 1.35rem; line-height: 1.25; white-space: nowrap; }
.chiffre small { font-size: 0.75rem; }
.chiffre.impots { background: #fbeeed; border-color: var(--rouge); }
.chiffre.impots strong { color: var(--rouge); }
.chiffre.transmis { background: #e9f5ee; border-color: var(--vert); }
.chiffre.transmis strong { color: var(--vert); }

.comparaison {
  margin: 0.75rem 0;
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  background: var(--jaune);
  font-size: 0.95rem;
}
.comparaison p { margin: 0.2rem 0; }

.tableau-conteneur { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; margin: 0.5rem 0 1rem; font-size: 0.95rem; }
th, td { padding: 0.45rem 0.4rem; text-align: right; border-bottom: 1px solid #e6e0d5; }
th:first-child, td:first-child { text-align: left; }
thead th { color: var(--texte-doux); font-weight: 600; }
td.net { font-weight: 700; color: var(--vert); }
h3 { font-size: 1.1rem; margin: 1rem 0 0.25rem; }
.sous-titre { margin: 0.5rem 0 0; font-weight: 600; font-size: 0.95rem; }
.aide.petit { margin: 0; font-size: 0.85rem; }
.tableau-abattement { font-size: 0.85rem; }
.tableau-abattement th { font-size: 0.8rem; }

details { margin-top: 0.5rem; }
summary { cursor: pointer; font-weight: 600; color: var(--principal); }
.detail-parent { margin: 0.5rem 0 0; padding-left: 1.2rem; }

.alertes { margin: 1rem 0 0; padding: 0.8rem 1rem 0.8rem 2rem; background: #fff1e0; border-radius: 10px; }

.partage { margin-top: 1.25rem; padding-top: 1rem; border-top: 1px solid #e6e0d5; }
.partage .bouton { width: 100%; }
.partage .aide { margin: 0.5rem 0 0; font-size: 0.9rem; }
.partage .aide.succes { color: var(--vert); font-weight: 700; }

/* Résumé */
.resume-entete { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 0.5rem; }
.resume-entete h2 { margin: 0; }
.resume-entete .bouton { margin: 0; }
#resume { font-size: 1.05rem; max-width: 52rem; }
#resume h3 { font-size: 1.1rem; color: var(--principal-fonce); margin-top: 1.25rem; }
#resume p, #resume li { margin: 0.4rem 0; }

.pied { max-width: 1200px; margin: 0 auto; padding: 1rem 1rem 2rem; color: var(--texte-doux); font-size: 0.9rem; }

@media print {
  :root { font-size: 100%; }
  body { background: #fff; }
  .formulaire, .partage, .resume-entete .bouton, .entete p { display: none; }
  .page, .colonnes { display: block; }
  .carte { border: 0; padding: 0; margin-bottom: 1rem; }
  details { display: none; }
}