/*
 * Pages publiques de paiement — une mise en page, cinq chartes.
 * La marque n'apporte que ses couleurs (--m, --m-fonce, --m-pale, --m-texte)
 * et son logo : ajouter une marque ne demande aucune ligne de CSS.
 * @author Klorel - Franck Kosellek
 */
:root {
  --m: #1b6fc4; --m-fonce: #12305b; --m-pale: #eef3f9; --m-texte: #fff;
  --encre: #18233d; --gris: #5d6880; --gris-clair: #8a94a8; --trait: #dbe2ec;
  --fond: #f4f7fb; --fige: #e6ebf2; --blanc: #fff;
  --rouge: #b42318; --rouge-pale: #fdecea; --vert: #1e7b46;
  --rayon: 16px;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100vh; display: flex; flex-direction: column; align-items: center;
  background: var(--blanc); color: var(--encre);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--m-fonce); }
button, input { font: inherit; color: inherit; }

/* ---- Logo ---- */
.entete { width: 100%; display: flex; justify-content: center; padding: 28px 16px 18px; }
.logo { display: block; max-width: min(380px, 82vw); max-height: 128px; width: auto; height: auto; }
.marque-meltis .logo { max-height: 150px; }
.logo-texte { margin: 0; font-size: 30px; font-weight: 800; color: var(--m-fonce); }

/* ---- Carte principale ---- */
.page { width: 100%; max-width: 760px; padding: 0 16px; }
.carte {
  background: linear-gradient(180deg, color-mix(in srgb, var(--m-pale) 55%, #fff) 0%, var(--fond) 100%);
  border-radius: 22px; padding: 30px 26px 26px;
}
.tete { text-align: center; color: var(--m); }
.ico-tete { display: block; margin: 0 auto 6px; width: 84px; height: 70px; }
.tete h1 { margin: 0; font-size: clamp(28px, 6vw, 38px); line-height: 1.15; letter-spacing: -.02em; font-weight: 800; color: var(--encre); }
.chapo { margin: 8px 0 0; color: var(--gris); font-size: 16.5px; }

/* ---- Trois atouts ---- */
.atouts {
  list-style: none; margin: 22px 0 0; padding: 14px 16px; border-radius: 14px;
  background: var(--m-pale); display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
}
.atouts li { display: flex; align-items: center; gap: 10px; min-width: 0; }
.ico { width: 22px; height: 22px; flex: 0 0 auto; }
.ico-atout { width: 30px; height: 30px; color: var(--m); }
.atouts strong { display: block; font-size: 13.5px; line-height: 1.25; }
.atouts small { display: block; font-size: 12.5px; color: var(--gris); line-height: 1.3; }

/* ---- Formulaire ---- */
.bloc {
  margin-top: 18px; background: var(--blanc); border: 1px solid var(--trait); border-radius: var(--rayon);
  padding: 22px 22px 18px; box-shadow: 0 1px 2px rgba(16, 24, 40, .04);
}
.nature { display: flex; justify-content: center; margin: 0 0 18px; }
.nature-choix {
  display: flex; align-items: center; gap: 14px; min-width: min(360px, 100%); padding: 13px 18px;
  border: 2px solid var(--m); border-radius: 12px; background: var(--m-pale); cursor: default;
}
.nature-choix input { position: absolute; opacity: 0; pointer-events: none; }
.nature-puce { width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--m); background: #fff; flex: 0 0 auto;
  box-shadow: inset 0 0 0 4px #fff, inset 0 0 0 11px var(--m); }
.nature-choix input:focus-visible + .nature-puce { outline: 3px solid var(--m); outline-offset: 3px; }
.nature-texte strong { display: block; font-size: 16px; }
.nature-texte small { display: block; color: var(--gris); font-size: 14px; }

.champ { margin: 0 0 16px; min-width: 0; }
.ligne { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
.champ label { display: block; margin: 0 0 6px; font-weight: 700; font-size: 14.5px; }
.facultatif { font-weight: 400; color: var(--gris-clair); }
.requis { color: var(--rouge); }
.saisie { position: relative; display: flex; align-items: stretch; }
.saisie input {
  width: 100%; min-width: 0; height: 48px; padding: 0 14px; border: 1px solid #cfd7e3; border-radius: 10px;
  background: var(--blanc); font-size: 16px; transition: border-color .15s, box-shadow .15s;
}
.saisie input::placeholder { color: #a3acbd; }
.saisie input:focus { outline: none; border-color: var(--m); box-shadow: 0 0 0 3px color-mix(in srgb, var(--m) 22%, transparent); }
.saisie-figee input { background: var(--fige); border-color: #d3dbe6; color: #4f5b73; cursor: default; padding-right: 40px; }
.saisie-figee input:focus { border-color: #d3dbe6; box-shadow: none; }
.ico-fige { position: absolute; right: 13px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: #a3adbe; pointer-events: none; }

.saisie-montant input { border-radius: 10px 0 0 10px; font-variant-numeric: tabular-nums; font-size: 17px; padding-right: 14px;
  touch-action: manipulation; -webkit-user-select: text; user-select: text; }
.suffixe { display: flex; align-items: center; justify-content: center; width: 52px; flex: 0 0 auto;
  border: 1px solid #cfd7e3; border-left: 0; border-radius: 0 10px 10px 0; background: #eef1f6; font-size: 19px; font-weight: 600; color: #4f5b73; }
.saisie-figee .suffixe { background: #dde3ec; border-color: #d3dbe6; }
.est-modifie .saisie-montant input { border-color: #c77700; background: #fffaf0; }
.est-modifie .suffixe { border-color: #c77700; }

.montant-note { margin: 8px 0 0; padding: 9px 12px; border-radius: 9px; background: #fff4e0; color: #7a4a00; font-size: 14px; }
.montant-confirm { margin: 10px 0 0; padding: 14px 16px; border: 1px solid #f0c674; border-radius: 12px; background: #fffaf0; }
.montant-confirm p { margin: 0 0 10px; font-size: 14.5px; color: #4a3a17; }
.montant-confirm-titre { font-weight: 800; color: var(--encre) !important; font-size: 15.5px !important; }
.montant-confirm-actions { display: flex; flex-wrap: wrap; gap: 8px; }

.erreur { margin: 6px 0 0; color: var(--rouge); font-size: 14px; font-weight: 600; }
.champ-erreur .saisie input { border-color: var(--rouge); }
.legende-requis { margin: -4px 0 14px; font-size: 13px; color: var(--gris); }
.legende-requis span { color: var(--rouge); }

.message { margin: 0 0 16px; padding: 12px 14px; border-radius: 10px; font-size: 15px; }
.message-erreur { background: var(--rouge-pale); color: #8a1c12; }
.message-info { background: var(--m-pale); color: var(--m-fonce); }

.piege { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

/* ---- Boutons ---- */
.bouton {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 44px; padding: 0 18px; border: 0; border-radius: 10px;
  background: var(--m); color: var(--m-texte); font-weight: 700; text-decoration: none; cursor: pointer;
}
.bouton:hover { background: var(--m-fonce); color: #fff; }
.bouton:focus-visible { outline: 3px solid var(--m-fonce); outline-offset: 3px; }
.bouton-payer { width: 100%; min-height: 58px; margin-top: 6px; font-size: 18.5px; border-radius: 10px;
  box-shadow: 0 6px 16px color-mix(in srgb, var(--m) 30%, transparent); }
.bouton-payer .ico { width: 24px; height: 24px; }
.bouton-payer[aria-busy="true"] { opacity: .75; cursor: progress; }
.bouton-petit { min-height: 38px; font-size: 14.5px; padding: 0 14px; }
.bouton-sobre { background: #fff; color: var(--encre); border: 1px solid var(--trait); }
.bouton-sobre:hover { background: var(--fond); color: var(--encre); }
.lien { padding: 0; border: 0; background: none; color: inherit; text-decoration: underline; font-weight: 700; cursor: pointer; }

.moyens { margin: 18px 0 0; text-align: center; }
.moyens img { max-width: 100%; height: auto; width: 300px; }

/* ---- États : payé, expiré, attente ---- */
.etat { text-align: center; padding: 8px 6px 4px; }
.etat h1 { margin: 10px 0 8px; font-size: clamp(24px, 5.4vw, 32px); line-height: 1.2; font-weight: 800; color: var(--encre); }
.etat p { margin: 0 auto 10px; max-width: 52ch; color: #3b465e; }
.ico-etat { width: 64px; height: 64px; }
.etat-ok .ico-etat { color: var(--vert); }
.etat-ferme .ico-etat, .etat-attente .ico-etat { color: var(--gris-clair); }
.etat .ico-tete { color: var(--m); }
.etat-note { font-size: 14px; color: var(--gris) !important; }
.recap { margin: 18px auto 14px; max-width: 420px; padding: 6px 16px; background: var(--blanc); border: 1px solid var(--trait); border-radius: 12px; text-align: left; }
.recap div { display: flex; justify-content: space-between; gap: 16px; padding: 9px 0; border-bottom: 1px solid #edf1f6; }
.recap div:last-child { border-bottom: 0; }
.recap dt { color: var(--gris); }
.recap dd { margin: 0; font-weight: 700; text-align: right; overflow-wrap: anywhere; }
.sablier { display: inline-block; width: 52px; height: 52px; border-radius: 50%;
  border: 5px solid color-mix(in srgb, var(--m) 20%, transparent); border-top-color: var(--m); animation: tour 1s linear infinite; }
@keyframes tour { to { transform: rotate(360deg); } }

/* ---- Signature et pied ---- */
.merci { position: relative; margin: 26px auto 0; width: 230px; height: 92px; color: var(--m-fonce);
  font-family: "Segoe Script", "Bradley Hand", "Snell Roundhand", "Brush Script MT", "Dancing Script", cursive;
  transform: rotate(-8deg); }
.merci-1 { position: absolute; left: 34px; top: 2px; font-size: 30px; }
.merci-2 { position: absolute; left: 0; top: 34px; font-size: 24px; white-space: nowrap; }
.merci-trait { position: absolute; left: 38px; top: 68px; width: 190px; height: 22px; color: var(--m); }
.pied { width: 100%; max-width: 760px; padding: 18px 16px 34px; text-align: center; font-size: 13px; color: var(--gris-clair); }
.pied p { margin: 0 0 6px; }
.pied a { color: var(--gris); }

/* ---- Petits écrans ---- */
@media (max-width: 640px) {
  .entete { padding: 20px 16px 12px; }
  .logo { max-height: 92px; }
  .carte { padding: 22px 14px 16px; border-radius: 18px; }
  .atouts { grid-template-columns: 1fr; gap: 10px; padding: 12px 14px; }
  .bloc { padding: 18px 14px 14px; }
  .ligne { grid-template-columns: 1fr; }
  .nature-choix { width: 100%; }
  .bouton-payer { font-size: 17px; }
}
@media (max-width: 420px) {
  .bouton-payer { font-size: 15.5px; gap: 8px; padding: 0 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .sablier { animation-duration: 3s; }
  .saisie input { transition: none; }
}