/* Connexion, inscription, mot de passe : écran partagé, formulaire à gauche, panneau de marque à droite.
   Les couleurs, polices et boutons viennent de accueil.css. */
body.auth { background: var(--blanc); }
.auth-grille { min-height: 100vh; min-height: 100dvh; display: grid; grid-template-columns: minmax(0, 46fr) minmax(0, 54fr); }

/* Côté formulaire */
.auth-formulaire { display: flex; flex-direction: column; padding: 32px clamp(24px, 6vw, 88px); }
.auth-logo { align-self: flex-start; }
.auth-logo img { height: 34px; width: auto; }
.auth-contenu { flex: 1; display: flex; flex-direction: column; justify-content: center; width: 100%; max-width: 430px; padding: 48px 0; }
.auth h1 { font-size: clamp(32px, 3.4vw, 42px); line-height: 1.08; letter-spacing: -0.03em; }
.auth-intro { margin-top: 10px; color: var(--ardoise); font-size: 17px; }
.auth-champs { display: flex; flex-direction: column; gap: 18px; margin-top: 30px; }
.champ label { display: block; font-weight: 600; font-size: 15px; margin-bottom: 7px; }
.champ-ligne { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.champ-ligne a { font-size: 14px; font-weight: 600; text-decoration: none; }
.champ-ligne a:hover { text-decoration: underline; }
.champ input { width: 100%; height: 52px; padding: 0 16px; font: 500 16px/1 var(--texte); color: var(--encre); background: var(--blanc);
  border: 1.5px solid #C9D3E2; border-radius: 12px; transition: border-color .15s, box-shadow .15s; }
.champ input::placeholder { color: #8B97AB; }
.champ input:hover { border-color: #A8B6CB; }
.champ input:focus { outline: none; border-color: var(--bleu); box-shadow: 0 0 0 4px rgba(22,80,165,.15); }
.mdp { position: relative; }
.mdp input { padding-right: 96px; }
.voir { position: absolute; right: 6px; top: 6px; height: 40px; padding: 0 12px; border: 0; border-radius: 9px; background: #EEF2F8;
  font: 600 14px/1 var(--texte); color: var(--bleu); cursor: pointer; }
.voir:hover { background: #E2E9F4; }
.aide { margin-top: 6px; font-size: 14px; color: var(--ardoise); }
.case { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; color: var(--ardoise); cursor: pointer; }
.case input { width: 20px; height: 20px; margin: 1px 0 0; accent-color: var(--bleu); flex: none; }
.piege { position: absolute; left: -9999px; }
.auth-bouton { width: 100%; min-height: 54px; margin-top: 6px; border-radius: 12px; font-size: 17px; }
.auth-bascule { margin-top: 24px; font-size: 16px; color: var(--ardoise); }
.auth-bascule a { font-weight: 700; }
.auth-pied { display: flex; flex-wrap: wrap; gap: 20px; font-size: 14px; }
.auth-pied a { color: var(--ardoise); }

/* Messages (succès, erreur, alerte) */
.auth-note { border-radius: 12px; padding: 12px 16px; margin-bottom: 18px; font-size: 15px; line-height: 1.5;
  background: #E9F6EF; color: #155E3B; border: 1px solid #BFE5CF; }
.auth-note.erreur { background: #FDECEC; color: #9B1C1C; border-color: #F6C9C9; }
.auth-note.alerte { background: #FFF6E0; color: #7A5300; border-color: #F5DDA0; }

/* Panneau de marque */
.auth-panneau { position: relative; overflow: hidden; background: var(--bleu-fonce); color: #DCE6F7;
  padding: clamp(40px, 6vw, 80px) clamp(32px, 5vw, 72px); display: flex; flex-direction: column; justify-content: center; gap: 32px; }
/* Grande arche en filigrane, rappel du symbole */
.auth-panneau::before { content: ""; position: absolute; right: -12%; bottom: -30%; width: 70%; aspect-ratio: 0.86;
  border-radius: 999px 999px 40px 40px; background: var(--bleu); opacity: .55; }
.auth-panneau > * { position: relative; }
.panneau-texte { max-width: 30em; }
.auth-panneau h2 { color: var(--blanc); font-size: clamp(30px, 3vw, 42px); line-height: 1.08; letter-spacing: -0.025em; }
.panneau-texte p { margin-top: 14px; font-size: 18px; color: #C3D3EE; }
.panneau-ecran { margin: 0; border-radius: 14px; overflow: hidden; box-shadow: 0 30px 60px -24px rgba(0,0,0,.55); max-width: 720px;
  border: 6px solid rgba(255,255,255,.12); }
.panneau-ecran video { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; background: #0B2C5E; }
.panneau-points { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.panneau-points li { background: rgba(255,255,255,.1); border-radius: 999px; padding: 8px 14px; font-size: 15px; font-weight: 600; color: var(--blanc); }
.panneau-etapes { list-style: none; counter-reset: p; padding: 0; margin: 0; display: grid; gap: 14px; max-width: 34em; }
.panneau-etapes li { counter-increment: p; display: grid; grid-template-columns: 44px 1fr; column-gap: 16px; background: rgba(255,255,255,.08);
  border-radius: 16px; padding: 18px 20px; }
.panneau-etapes li::before { content: counter(p); grid-row: span 2; width: 44px; height: 44px; border-radius: 50%; background: var(--jaune);
  color: var(--encre); font: 750 20px/44px var(--titre); text-align: center; }
.panneau-etapes b { color: var(--blanc); font: 700 19px/1.3 var(--titre); }
.panneau-etapes span { font-size: 16px; color: #C3D3EE; }
.panneau-garantie { font-size: 15px; color: #B9CBEA; max-width: 34em; padding-left: 16px; border-left: 3px solid var(--jaune); }

@media (max-width: 960px) {
  .auth-grille { grid-template-columns: 1fr; }
  .auth-contenu { max-width: 480px; padding: 36px 0; }
  .auth-panneau { padding: 40px 24px; }
  .panneau-ecran { display: none; }
}
@media (prefers-reduced-motion: reduce) { .panneau-ecran video { display: none; } .panneau-ecran { background: url(/static/accueil/validation.jpg) center/cover; aspect-ratio: 16/10; } }