/* ==========================================================================
   Simulateur d'impôts - style sobre et professionnel
   Palette : fond gris-vert très clair, encre vert-noir, accent vert sapin.
   Police : IBM Plex Sans (auto-hébergée), chiffres tabulaires pour les montants.
   ========================================================================== */

@font-face { font-family: "IBM Plex Sans"; font-weight: 400; font-style: normal; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 500; font-style: normal; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 600; font-style: normal; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2"); }

:root {
  --fond: #f2f4f3;
  --surface: #ffffff;
  --encre: #1c2827;
  --encre-douce: #55625f;
  --trait: #d3dad8;
  --trait-fort: #aeb9b6;
  --accent: #1f5a4c;
  --accent-fonce: #164539;
  --accent-teinte: #e3eeea;
  --alerte: #7a4d00;
  --alerte-fond: #fff4dc;
  --alerte-bord: #e6c77a;
  --danger: #a12b2b;
  --danger-fond: #fcebeb;
  --danger-bord: #e2a6a6;
  --rayon: 6px;
  --police: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--fond); color: var(--encre);
  font: 400 1rem/1.5 var(--police); font-variant-numeric: tabular-nums;
}
[hidden] { display: none !important; }
h1, h2, h3 { font-weight: 600; line-height: 1.25; margin: 0 0 .6rem; }
h1 { font-size: 1.75rem; }
h2 { font-size: 1.375rem; }
h3 { font-size: 1.125rem; }
p { margin: 0 0 .8rem; }
a { color: var(--accent); }
.discret { color: var(--encre-douce); font-size: .9rem; }
.montant, .nombre { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
:focus-visible { outline: 3px solid #5aa593; outline-offset: 2px; border-radius: 3px; }

/* ---- Structure -------------------------------------------------------- */
.entete { background: var(--surface); border-bottom: 1px solid var(--trait); }
.entete-interne { max-width: 74rem; margin: 0 auto; padding: .7rem 1.25rem; display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.marque { font-weight: 600; font-size: 1.1rem; color: var(--accent); text-decoration: none; margin-right: auto; }
.nav-principale { display: flex; gap: 1rem; }
.nav-principale a { text-decoration: none; color: var(--encre); padding: .3rem .1rem; border-bottom: 2px solid transparent; }
.nav-principale a[aria-current="page"] { border-bottom-color: var(--accent); font-weight: 500; }
.utilisateur { display: flex; align-items: center; gap: .6rem; font-size: .9rem; color: var(--encre-douce); }
.contenu { max-width: 74rem; margin: 0 auto; padding: 1.5rem 1.25rem 7rem; }
.contenu-etroit { max-width: 26rem; margin: 8vh auto; padding: 0 1.25rem; }
.carte { background: var(--surface); border: 1px solid var(--trait); border-radius: var(--rayon); padding: 1.25rem; margin-bottom: 1.25rem; }
.carte > h2:first-child, .carte > h3:first-child { margin-top: 0; }
.barre-titre { display: flex; align-items: flex-start; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.barre-titre h1 { margin: 0; margin-right: auto; }
.actions { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; }
.actions-fin { justify-content: flex-end; margin-top: 1rem; }

/* ---- Boutons ---------------------------------------------------------------- */
.btn {
  display: inline-block; text-decoration: none; text-align: center;
  font: 500 .95rem/1.2 var(--police); padding: .55rem 1rem; border-radius: var(--rayon);
  border: 1px solid var(--trait-fort); background: var(--surface); color: var(--encre); cursor: pointer;
}
.btn:hover { background: var(--fond); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primaire { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primaire:hover { background: var(--accent-fonce); }
.btn-danger { color: var(--danger); border-color: var(--danger-bord); }
.btn-danger:hover { background: var(--danger-fond); }
.btn-danger-plein { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger-plein:hover { background: #861f1f; }
.btn-petit { padding: .3rem .65rem; font-size: .85rem; }
.btn-lien { border: 0; background: none; color: var(--accent); padding: .2rem .3rem; text-decoration: underline; cursor: pointer; font: inherit; }
.btn-icone { border: 0; background: none; font-size: 1.5rem; line-height: 1; cursor: pointer; color: var(--encre-douce); padding: .2rem .5rem; }

/* ---- Messages ------------------------------------------------------------------ */
.alerte, .erreur-form, .info-boite { border-radius: var(--rayon); padding: .7rem .9rem; margin: 0 0 1rem; border: 1px solid; font-size: .93rem; }
.alerte { background: var(--alerte-fond); border-color: var(--alerte-bord); color: var(--alerte); }
.erreur-form { background: var(--danger-fond); border-color: var(--danger-bord); color: var(--danger); }
.info-boite { background: var(--accent-teinte); border-color: #a9cbc0; color: var(--accent-fonce); }
.alerte ul { margin: .3rem 0 0; padding-left: 1.2rem; }
.vide { text-align: center; padding: 2rem 1rem; color: var(--encre-douce); }

/* ---- Liste des foyers ----------------------------------------------------------- */
.liste-foyers { list-style: none; margin: 0; padding: 0; background: var(--surface); border: 1px solid var(--trait); border-radius: var(--rayon); }
.ligne-foyer { display: flex; align-items: center; gap: 1rem; padding: .9rem 1.25rem; border-bottom: 1px solid var(--trait); flex-wrap: wrap; }
.ligne-foyer:last-child { border-bottom: 0; }
.ligne-foyer .nom { font-size: 1.15rem; font-weight: 600; margin-right: auto; }
.ligne-foyer .nom a { color: var(--encre); text-decoration: none; }
.ligne-foyer .nom a:hover { color: var(--accent); text-decoration: underline; }
.ligne-foyer .meta { color: var(--encre-douce); font-size: .9rem; min-width: 9rem; }
.badge { display: inline-block; font-size: .8rem; padding: .1rem .55rem; border-radius: 99px; background: var(--accent-teinte); color: var(--accent-fonce); border: 1px solid #a9cbc0; }
.badge-neutre { background: var(--fond); color: var(--encre-douce); border-color: var(--trait); }
.badge-alerte { background: var(--alerte-fond); color: var(--alerte); border-color: var(--alerte-bord); }

/* ---- Foyer : en-tête, étapes ----------------------------------------------------------- */
.selecteur-annee { display: flex; align-items: center; gap: .5rem; }
.selecteur-annee select { width: auto; }
.etapes { display: flex; gap: 0; list-style: none; margin: 0 0 1.25rem; padding: 0; border-bottom: 2px solid var(--trait); overflow-x: auto; }
.etapes a {
  display: flex; align-items: center; gap: .55rem; padding: .7rem 1.1rem; text-decoration: none; color: var(--encre-douce);
  border-bottom: 3px solid transparent; margin-bottom: -2px; white-space: nowrap; font-weight: 500;
}
.etapes .rang { display: inline-flex; width: 1.5rem; height: 1.5rem; border-radius: 50%; border: 1.5px solid currentColor; align-items: center; justify-content: center; font-size: .8rem; }
.etapes a[aria-current="step"] { color: var(--accent); border-bottom-color: var(--accent); }
.etapes a:hover { color: var(--accent-fonce); }

/* ---- Personnes et ressources ----------------------------------------------------------------- */
.personne { display: flex; gap: 1rem; align-items: flex-start; padding: .9rem 0; border-bottom: 1px solid var(--trait); flex-wrap: wrap; }
.personne:last-child { border-bottom: 0; }
.personne .identite { flex: 1 1 16rem; }
.personne .identite strong { font-size: 1.05rem; }
.personne .situation { flex: 1 1 14rem; color: var(--encre-douce); font-size: .93rem; }
.tableau { width: 100%; border-collapse: collapse; font-size: .95rem; }
.tableau th { text-align: left; font-weight: 500; color: var(--encre-douce); font-size: .85rem; padding: .4rem .6rem; border-bottom: 1px solid var(--trait-fort); }
.tableau td { padding: .55rem .6rem; border-bottom: 1px solid var(--trait); vertical-align: middle; }
.tableau th.montant, .tableau td.montant { text-align: right; }
.tableau .actions-ligne { white-space: nowrap; text-align: right; }
.tableau-defile { overflow-x: auto; }
.section-membre { margin-bottom: 1.5rem; }
.section-membre > header { display: flex; align-items: baseline; gap: .8rem; margin-bottom: .4rem; flex-wrap: wrap; }
.section-membre > header h3 { margin: 0; }
details.carte > summary { cursor: pointer; font-weight: 600; font-size: 1.05rem; }
details.carte[open] > summary { margin-bottom: .8rem; }

/* ---- Formulaires ---------------------------------------------------------------------------------------- */
.formulaire { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .9rem 1rem; }
.formulaire .champ { display: flex; flex-direction: column; gap: .25rem; min-width: 0; }
.formulaire .champ-large, .formulaire .form-titre, .formulaire .form-info { grid-column: 1 / -1; }
.form-titre { margin: .6rem 0 0; font-size: 1rem; padding-top: .6rem; border-top: 1px solid var(--trait); }
.formulaire > .form-titre:first-child { border-top: 0; padding-top: 0; margin-top: 0; }
.formulaire label, .formulaire .etiquette { font-weight: 500; font-size: .92rem; }
.formulaire .requis::after { content: " *"; color: var(--danger); }
.aide { color: var(--encre-douce); font-size: .85rem; }
.champ-erreur { color: var(--danger); font-size: .85rem; }
.champ-case { flex-direction: row; align-items: flex-start; gap: .6rem; }
.champ-case input { margin-top: .3rem; width: 1.1rem; height: 1.1rem; flex: none; }
.champ-case .texte-case { display: flex; flex-direction: column; gap: .15rem; }
input[type="text"], input[type="password"], input[type="date"], input[type="number"], select, textarea {
  font: inherit; width: 100%; padding: .5rem .6rem; border: 1px solid var(--trait-fort); border-radius: var(--rayon);
  background: var(--surface); color: var(--encre);
}
input:disabled, select:disabled { background: var(--fond); color: var(--encre-douce); }
.entree-suffixe { display: flex; align-items: center; gap: .4rem; }
.entree-suffixe .suffixe { color: var(--encre-douce); }
.champ.invalide input, .champ.invalide select { border-color: var(--danger); }
.champ-age { color: var(--accent-fonce); font-size: .88rem; }

/* ---- Fenêtres modales -------------------------------------------------------------------------------------- */
dialog.modal { border: 0; border-radius: 8px; padding: 0; width: min(44rem, 94vw); max-height: 92vh; color: var(--encre); background: var(--surface); }
dialog.modal::backdrop { background: rgba(20, 35, 32, .5); }
dialog.modal[open] { display: flex; flex-direction: column; }
dialog.modal-etroite { width: min(30rem, 94vw); }
.modal-tete { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.25rem .6rem; border-bottom: 1px solid var(--trait); }
.modal-tete h2 { margin: 0; font-size: 1.2rem; }
.modal-corps { padding: 1.1rem 1.25rem 1.25rem; overflow-y: auto; }

/* ---- Résultat ------------------------------------------------------------------------------------------------- */
.barre-resultat { position: fixed; left: 0; right: 0; bottom: 0; background: #173f36; color: #fff; z-index: 20; border-top: 3px solid #2c7a66; }
.barre-resultat-interne { max-width: 74rem; margin: 0 auto; padding: .65rem 1.25rem; display: flex; gap: 2.2rem; align-items: baseline; flex-wrap: wrap; }
.barre-resultat .principal { font-size: 1.9rem; font-weight: 600; letter-spacing: -.01em; }
.barre-resultat .libelle { display: block; font-size: .78rem; color: #b9d6cd; font-weight: 400; letter-spacing: 0; }
.barre-resultat .secondaire { font-size: 1.15rem; font-weight: 500; }
.barre-resultat .attente { color: #d7e7e1; font-size: .95rem; }
.resume-resultat { display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); gap: 1rem; margin-bottom: 1.25rem; }
.resume-resultat .bloc { background: var(--surface); border: 1px solid var(--trait); border-radius: var(--rayon); padding: 1rem 1.1rem; }
.resume-resultat .bloc .valeur { font-size: 1.6rem; font-weight: 600; }
.resume-resultat .bloc .libelle { color: var(--encre-douce); font-size: .88rem; }
.resume-resultat .bloc-fort { border-color: var(--accent); border-width: 2px; }
.cascade td.explication { color: var(--encre-douce); font-size: .85rem; max-width: 26rem; }
.cascade tr.total td { font-weight: 600; background: var(--accent-teinte); }
.cascade tr.section td { background: var(--fond); font-weight: 600; font-size: .85rem; color: var(--encre-douce); padding-top: .8rem; }
.cascade td.negatif { color: var(--danger); }

/* ---- Administration ------------------------------------------------------------------------------------------------ */
.onglets { display: flex; gap: .3rem; margin: 0 0 1.25rem; border-bottom: 2px solid var(--trait); overflow-x: auto; }
.onglets a { padding: .6rem 1rem; text-decoration: none; color: var(--encre-douce); border-bottom: 3px solid transparent; margin-bottom: -2px; font-weight: 500; white-space: nowrap; }
.onglets a[aria-current="page"] { color: var(--accent); border-bottom-color: var(--accent); }
.matrice select { width: auto; min-width: 8.5rem; }
.matrice th.vertical { white-space: nowrap; }
.code-secours { font-size: 1.1rem; letter-spacing: .06em; padding: .15rem 0; }
.liste-codes { columns: 2; list-style: none; padding: 1rem; margin: 0 0 1rem; background: var(--fond); border: 1px dashed var(--trait-fort); border-radius: var(--rayon); }
.qr { display: block; margin: .8rem auto; width: 11rem; height: 11rem; image-rendering: pixelated; border: 1px solid var(--trait); }
.secret { font-size: 1.05rem; letter-spacing: .08em; word-break: break-all; background: var(--fond); padding: .4rem .6rem; border-radius: var(--rayon); }

/* ---- Notifications --------------------------------------------------------------------------------------------------------------- */
.zone-notifications { position: fixed; top: 1rem; right: 1rem; z-index: 50; display: flex; flex-direction: column; gap: .5rem; max-width: 24rem; }
.notification { background: var(--encre); color: #fff; padding: .7rem 1rem; border-radius: var(--rayon); font-size: .93rem; }
.notification-erreur { background: var(--danger); }
.notification-ok { background: var(--accent); }

/* ---- Adaptation mobile ------------------------------------------------------------------------------------------------------------- */
@media (max-width: 40rem) {
  .formulaire { grid-template-columns: 1fr; }
  .barre-resultat .principal { font-size: 1.5rem; }
  .barre-resultat-interne { gap: 1rem; }
  .ligne-foyer .meta { min-width: 0; }
  .liste-codes { columns: 1; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }