:root { --bleu: #1A6FC4; --texte: #1E293B; --discret: #64748B; --fond: #F4F7FB; --bord: #D9E2EC; }
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color: var(--texte);
       background: var(--fond); font-size: 17px; line-height: 1.5; }
header { background: #fff; border-bottom: 1px solid var(--bord); padding: 14px 16px; text-align: center; }
.marque { color: var(--bleu); font-weight: 700; font-size: 22px; }
.sous { color: var(--discret); font-size: 14px; }
main { max-width: 640px; margin: 0 auto; padding: 16px; }
.carte { background: #fff; border: 1px solid var(--bord); border-radius: 12px; padding: 18px; margin-bottom: 14px; }
.cache { display: none; }
h1 { font-size: 22px; margin: 0 0 8px; } h2 { font-size: 18px; margin: 0 0 6px; }
label { display: block; font-weight: 600; margin: 12px 0 4px; }
input { width: 100%; padding: 12px; font-size: 18px; border: 1px solid var(--bord); border-radius: 8px; }
button, .bouton { display: inline-block; background: var(--bleu); color: #fff; border: 0; border-radius: 8px;
                  padding: 12px 18px; font-size: 17px; margin-top: 12px; text-decoration: none; cursor: pointer; }
button.secondaire { background: #fff; color: var(--bleu); border: 1px solid var(--bleu); padding: 8px 12px; font-size: 15px; margin: 0; }
.entete { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
.liste { list-style: none; padding: 0; margin: 0; }
.liste li { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
            border-top: 1px solid var(--bord); padding: 12px 0; }
.liste .bouton { margin-top: 0; }
.discret { color: var(--discret); font-size: 14px; }
.erreur { color: #B42318; font-weight: 600; }
footer { text-align: center; color: var(--discret); font-size: 13px; padding: 16px; }