:root {
  --nuit: #0f172a;
  --orange: #f97316;
  --bleu: #123b6d;
  --texte: #16202e;
  --texte-2: #4d5b6e;
  --bord: #dde2ea;
  --fond: #f6f7f9;
  color-scheme: light;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: #fff; color: var(--texte); }
[hidden] { display: none !important; }

.barre { display: flex; align-items: center; justify-content: space-between; padding: 18px 40px; border-bottom: 1px solid #eef0f3; }
.fermer { color: var(--texte-2); text-decoration: none; font-size: 1rem; }
.fermer:hover { color: var(--texte); }
.marque { display: flex; align-items: center; gap: 10px; font-family: Georgia, serif; font-size: 1.15rem; }
.marque img { width: 34px; height: 34px; object-fit: contain; }

.centre { display: flex; justify-content: center; padding: 48px 16px; }
.carte-form { width: 100%; max-width: 446px; border-radius: 16px; overflow: hidden; box-shadow: 0 18px 50px rgba(15, 23, 42, .14); background: #fff; }
.carte-tete { background: var(--nuit); color: #fff; text-align: center; padding: 30px 24px 32px; }
.etiquette { display: inline-flex; align-items: center; gap: 10px; color: var(--orange); font-weight: 800; letter-spacing: .08em; font-size: .9rem; }
.etiquette svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.carte-tete h1 { margin: 10px 0 8px; font-size: 1.6rem; }
.carte-tete p { margin: 0; color: #cbd5e1; font-size: .95rem; }
.carte-corps { padding: 28px 32px 30px; }
.carte-corps label { display: block; font-weight: 600; font-size: .92rem; margin: 0 0 8px; }
.carte-corps select, .carte-corps input { width: 100%; padding: 13px 12px; border: 1px solid var(--bord); border-radius: 10px; font: inherit; margin-bottom: 22px; background: #fff; }
.carte-corps input:focus, .carte-corps select:focus { outline: 2px solid rgba(249, 115, 22, .35); border-color: var(--orange); }
#apercu { width: 100%; padding: 13px; border-radius: 10px; border: 1px solid #4338ca; background: var(--nuit); color: #fff; font: inherit; font-weight: 700; cursor: pointer; }
#apercu:disabled { opacity: .6; cursor: wait; }
.erreur { margin: 14px 0 0; padding: 10px 12px; border-radius: 8px; background: #fdeceb; color: #b42318; font-size: .9rem; }
.astuce { margin: 18px 0 0; color: #94a3b8; font-size: .78rem; text-align: center; line-height: 1.4; }

.resultat { max-width: 920px; margin: 0 auto; padding: 28px 16px 60px; }
.res-tete { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; background: var(--nuit); color: #fff; border-radius: 14px; padding: 20px 22px; }
.res-tete h2 { margin: 0 0 4px; font-size: 1.3rem; }
.res-tete p { margin: 0; color: #cbd5e1; font-size: .9rem; }
.bouton { display: inline-flex; align-items: center; gap: 6px; padding: 9px 14px; border-radius: 9px; border: 1px solid var(--bord); background: #fff; color: var(--texte); font: inherit; font-weight: 600; font-size: .88rem; cursor: pointer; text-decoration: none; }
.bouton.plein { background: var(--orange); border-color: var(--orange); color: #fff; }
.bouton:disabled { opacity: .6; cursor: wait; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.annee { margin-top: 22px; border: 1px solid var(--bord); border-radius: 14px; overflow: hidden; }
.annee-tete { display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; align-items: center; padding: 14px 18px; background: var(--fond); border-bottom: 1px solid var(--bord); }
.annee-tete h3 { margin: 0; font-size: 1.05rem; }
.chiffres { display: flex; gap: 18px; flex-wrap: wrap; font-size: .9rem; color: var(--texte-2); }
.chiffres b { color: var(--texte); }
.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: .76rem; font-weight: 700; }
.badge.ok { background: #e5f4ea; color: #157a3c; }
.badge.reste { background: #fff3d6; color: #9a5b00; }
.paiement { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid #eef0f3; }
.paiement:last-child { border-bottom: 0; }
.paiement .info b { display: block; }
.paiement .info span { color: var(--texte-2); font-size: .88rem; }
.paiement .montant { font-weight: 800; font-size: 1.05rem; white-space: nowrap; }
.vide { padding: 22px; text-align: center; color: var(--texte-2); }
.retour { margin-top: 24px; text-align: center; }

/* Documents imprimés (reçu, relevé) */
.doc { background: #fff; color: #000; padding: 14px 18px; border: 1px solid #999; position: relative; font-size: 12.5px; margin-bottom: 14px; break-inside: avoid; }
.doc-entete { display: grid; grid-template-columns: 1fr auto 1fr; gap: 10px; text-align: center; font-size: 10px; border-bottom: 2px solid #000; padding-bottom: 6px; margin-bottom: 8px; }
.doc-entete .g, .doc-entete .d { text-transform: uppercase; line-height: 1.3; }
.doc-entete .c b { font-size: 14px; display: block; }
.doc-entete img { height: 40px; display: block; margin: 0 auto 2px; }
.doc-titre { text-align: center; font-weight: 800; font-size: 14px; margin: 6px 0 8px; letter-spacing: .04em; }
.doc-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 3px 16px; margin-bottom: 8px; }
.doc table { width: 100%; border-collapse: collapse; font-size: 12px; margin-bottom: 6px; }
.doc th, .doc td { border: 1px solid #555; padding: 4px 6px; text-align: left; }
.doc th { background: #eee; }
.doc .num { text-align: right; white-space: nowrap; }
.doc .lettres { font-style: italic; margin: 6px 0; }
.doc .duplicata { position: absolute; top: 6px; right: 10px; font-size: 9px; border: 1px solid #000; padding: 1px 6px; text-transform: uppercase; }
.doc .pied { font-size: 10px; text-align: center; color: #333; margin-top: 6px; }
.doc-fond { position: absolute; left: 50%; top: 55%; transform: translate(-50%, -50%); width: 38%; opacity: .08; pointer-events: none; }
.doc > :not(.doc-fond):not(.duplicata) { position: relative; }

#impression { display: none; }
@media print {
  @page { size: A4; margin: 10mm; }
  body > *:not(#impression) { display: none !important; }
  #impression { display: block; }
  .doc { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}

@media (max-width: 600px) {
  .barre { padding: 14px 16px; }
  .carte-corps { padding: 22px 20px 24px; }
  .centre { padding: 24px 12px; }
  .doc-meta { grid-template-columns: 1fr; }
}