:root {
  --fond: #faf6ef;
  --fond-carte: #ffffff;
  --encre: #2b2620;
  --encre-douce: #6b6257;
  --accent: #c2653f;
  --accent-fonce: #a4522f;
  --accent-pale: #f3e3d8;
  --bordure: #e8e0d3;
  --ok: #3d7a4e;
  --attente: #a06b1f;
  --echec: #a33d33;
  --rayon: 16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: ui-sans-serif, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--fond);
  color: var(--encre);
  line-height: 1.6;
}

.page { max-width: 960px; margin: 0 auto; padding: 0 24px; }
.page-etroite { max-width: 640px; }

.hero { text-align: center; padding: 96px 0 64px; }
.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-pale);
  border-radius: 999px;
  padding: 6px 14px;
  margin: 0 0 20px;
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); line-height: 1.15; margin: 0 0 20px; }
.hero-texte { max-width: 620px; margin: 0 auto 32px; color: var(--encre-douce); font-size: 1.1rem; }

.section { padding: 48px 0; }
.section h2 { font-size: 1.6rem; margin: 0 0 24px; }
.apropos, .usage, .contact { max-width: 640px; margin: 0 auto; text-align: center; }
.contact p, .apropos p, .usage p { color: var(--encre-douce); }

.usage-annonce {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--accent-pale);
  border: 1.5px solid var(--accent);
  border-radius: var(--rayon);
  color: var(--accent-fonce);
  font-weight: 600;
  padding: 14px 22px;
  margin: 28px auto 0;
  max-width: 560px;
}
.usage-icone { width: 22px; height: 22px; flex-shrink: 0; }

.cartes { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.carte {
  background: var(--fond-carte);
  border: 1px solid var(--bordure);
  border-radius: var(--rayon);
  padding: 28px;
}
.carte-icone { width: 28px; height: 28px; color: var(--accent); margin-bottom: 14px; }
.carte h3 { margin: 0 0 10px; font-size: 1.1rem; }
.carte p { margin: 0; color: var(--encre-douce); font-size: 0.95rem; }

.soutenir { padding-top: 8px; }
.widget {
  background: var(--fond-carte);
  border: 1px solid var(--bordure);
  border-radius: 20px;
  padding: 40px;
  max-width: 520px;
  margin: 0 auto;
  box-shadow: 0 10px 30px rgba(43, 38, 32, 0.06);
}
.widget h2 { text-align: center; margin-bottom: 8px; }
.widget-texte { text-align: center; color: var(--encre-douce); margin: 0 0 28px; }

.montants { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 24px; }
.montant {
  font: inherit;
  font-weight: 600;
  color: var(--encre);
  background: var(--fond);
  border: 1.5px solid var(--bordure);
  border-radius: 999px;
  padding: 8px 18px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.montant:hover { border-color: var(--accent); background: var(--accent-pale); }

.champ-montant, .champ-message { display: block; margin-bottom: 20px; }
.champ-texte { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; }
.champ-facultatif { font-weight: 400; color: var(--encre-douce); }
.champ-saisie {
  display: flex;
  align-items: center;
  border: 1.5px solid var(--bordure);
  border-radius: 12px;
  background: #fff;
  padding: 0 16px;
}
.champ-saisie:focus-within { border-color: var(--accent); }
.champ-saisie input {
  font: inherit;
  font-size: 1.5rem;
  font-weight: 600;
  border: none;
  outline: none;
  background: transparent;
  padding: 12px 0;
  width: 100%;
}
.champ-devise { font-size: 1.2rem; color: var(--encre-douce); font-weight: 600; }
.champ-aide { display: block; font-size: 0.8rem; color: var(--encre-douce); margin-top: 6px; }

.champ-message textarea, .champ-message input {
  font: inherit;
  width: 100%;
  border: 1.5px solid var(--bordure);
  border-radius: 12px;
  background: #fff;
  padding: 12px 14px;
  resize: vertical;
}
.champ-message textarea:focus, .champ-message input:focus { outline: none; border-color: var(--accent); }

.bouton {
  display: inline-block;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: 12px;
  padding: 12px 24px;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}
.bouton:active { transform: translateY(1px); }
.bouton-principal { background: var(--accent); color: #fff; }
.bouton-principal:hover { background: var(--accent-fonce); }
.bouton-secondaire { background: var(--fond); color: var(--encre); border: 1.5px solid var(--bordure); }
.bouton-secondaire:hover { border-color: var(--accent); }
.bouton-large { width: 100%; text-align: center; font-size: 1.05rem; padding: 14px 24px; }

.widget-mention { text-align: center; font-size: 0.8rem; color: var(--encre-douce); margin: 16px 0 0; }

.site-footer {
  text-align: center;
  padding: 48px 24px 40px;
  color: var(--encre-douce);
  font-size: 0.85rem;
  border-top: 1px solid var(--bordure);
  margin-top: 48px;
}
.footer-note { margin: 0; }
.footer-admin { margin: 12px 0 0; }
.footer-admin a { color: var(--encre-douce); }

.merci { text-align: center; padding: 100px 0; }
.merci-icone { width: 56px; height: 56px; color: var(--accent); margin-bottom: 20px; }
.merci h1 { font-size: 2.2rem; margin: 0 0 16px; }
.merci p { color: var(--encre-douce); margin: 0 0 28px; }
.erreur-contact { font-size: 0.9rem; }
.erreur-contact a { color: var(--accent); }

.connexion { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.carte-connexion {
  background: var(--fond-carte);
  border: 1px solid var(--bordure);
  border-radius: 20px;
  padding: 40px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 10px 30px rgba(43, 38, 32, 0.06);
}
.carte-connexion h1 { margin: 0 0 24px; text-align: center; font-size: 1.4rem; }
.alerte {
  background: #fbe9e6;
  color: var(--echec);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 0.9rem;
  text-align: center;
}

.admin { max-width: 1000px; margin: 0 auto; padding: 32px 24px 64px; }
.admin-entete { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; margin-bottom: 28px; }
.admin-entete h1 { margin: 0; font-size: 1.5rem; }
.admin-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.admin-actions .bouton { font-size: 0.85rem; padding: 8px 14px; }
.admin-actions form { margin: 0; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 28px; }
.stat {
  background: var(--fond-carte);
  border: 1px solid var(--bordure);
  border-radius: var(--rayon);
  padding: 20px;
}
.stat-valeur { display: block; font-size: 1.6rem; font-weight: 700; }
.stat-libelle { color: var(--encre-douce); font-size: 0.85rem; }

.liste { background: var(--fond-carte); border: 1px solid var(--bordure); border-radius: var(--rayon); padding: 12px 20px; }
.liste-vide { color: var(--encre-douce); text-align: center; padding: 24px 0; }

.table { display: flex; flex-direction: column; }
.ligne {
  display: grid;
  grid-template-columns: 170px 110px 130px 1fr 90px;
  gap: 12px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--bordure);
  font-size: 0.92rem;
}
.ligne:last-child { border-bottom: none; }
.ligne-entete { font-weight: 700; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--encre-douce); }
.cellule-date { font-size: 0.8rem; color: var(--encre-douce); display: block; }
.cellule-montant { font-weight: 600; }
.cellule-message { color: var(--encre-douce); overflow-wrap: anywhere; }
.cellule-actions { text-align: right; }
.cellule-actions form { margin: 0; }
.lien-action {
  font: inherit;
  font-size: 0.85rem;
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
}

.badge { display: inline-block; font-size: 0.78rem; font-weight: 600; border-radius: 999px; padding: 3px 10px; }
.badge-paid { background: #e4f0e7; color: var(--ok); }
.badge-pending { background: #f5ead4; color: var(--attente); }
.badge-failed { background: #fbe9e6; color: var(--echec); }
.badge-expired { background: #eee9e1; color: var(--encre-douce); }

@media (max-width: 720px) {
  .hero { padding: 64px 0 40px; }
  .widget { padding: 28px 20px; }
  .ligne { grid-template-columns: 1fr 1fr; }
  .ligne-entete { display: none; }
  .cellule-message { grid-column: 1 / -1; }
  .cellule-actions { text-align: left; }
}