/* Le petit tuto « écran d'accueil » (voir /js/installer.js). Habillage simple et provisoire, comme l'écran de connexion. */

.ia-bandeau {
  position: fixed;
  z-index: 50;
  left: max(10px, env(safe-area-inset-left));
  right: max(10px, env(safe-area-inset-right));
  bottom: calc(10px + env(safe-area-inset-bottom));
  max-width: 520px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  padding: 12px 14px;
  border-radius: 16px;
  background: #f6efe1;
  color: #2b2118;
  box-shadow: 0 10px 34px rgba(0, 0, 0, .45);
  font-size: 1rem;
  line-height: 1.3;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .35s ease, transform .35s ease;
}
.ia-bandeau.ia-visible { opacity: 1; transform: none; }
.ia-bandeau img, .ia-icone img { flex: none; border-radius: 11px; }
.ia-texte { flex: 1 1 200px; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.ia-texte span { color: #6b5b4b; font-size: .94em; }
.ia-actions { flex: 1 1 100%; display: flex; justify-content: flex-end; align-items: center; gap: 6px 14px; flex-wrap: wrap; }

.ia-bouton {
  min-height: 44px;
  padding: 0 18px;
  border: none;
  border-radius: 12px;
  background: #a8322d;
  color: #fff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.ia-lien {
  min-height: 44px;
  padding: 0 6px;
  border: none;
  background: none;
  color: #6b5b4b;
  font: inherit;
  text-decoration: underline;
  cursor: pointer;
}
.ia-ouvrir {
  display: block;
  margin: 18px auto 0;
  padding: 6px 8px;
  border: none;
  background: none;
  color: inherit;
  font: inherit;
  font-size: .95em;
  opacity: .75;
  text-decoration: underline;
  cursor: pointer;
}
.ia-ouvrir[hidden] { display: none; }

.ia-fenetre {
  width: min(430px, calc(100% - 24px));
  max-height: calc(100dvh - 24px);
  box-sizing: border-box;
  padding: 22px 20px 16px;
  border: none;
  border-radius: 20px;
  background: #f6efe1;
  color: #2b2118;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
  font-size: 1.05rem;
  line-height: 1.35;
}
.ia-fenetre::backdrop { background: rgba(5, 10, 22, .7); }
.ia-fenetre h2 { margin: 0 0 4px; font-size: 1.4rem; font-weight: 600; }
.ia-intro { margin: 0 0 14px; color: #6b5b4b; }
.ia-installer { display: block; width: 100%; margin-bottom: 14px; }
.ia-installer[hidden] { display: none; }
.ia-etapes { list-style: none; margin: 0; padding: 0; counter-reset: etape; }
.ia-etapes li { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-top: 1px solid rgba(43, 33, 24, .14); counter-increment: etape; }
.ia-etapes li::before {
  content: counter(etape);
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #14213a;
  color: #f6efe1;
  font-size: .9rem;
  font-weight: 600;
  display: grid;
  place-items: center;
}
.ia-icone {
  flex: none;
  width: 46px;
  height: 46px;
  border-radius: 11px;
  background: #fff;
  color: #1c6fd1;
  display: grid;
  place-items: center;
  font-size: .82rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .18);
}
.ia-icone svg { width: 26px; height: 26px; }
.ia-note { margin: 10px 0 0; padding: 9px 11px; border-radius: 10px; background: rgba(20, 33, 58, .08); font-size: .92rem; color: #4a3d30; }
.ia-fenetre .ia-actions { margin-top: 14px; justify-content: space-between; }

@media (prefers-reduced-motion: reduce) { .ia-bandeau { transition: none; } }