:root {
  --corail: #e7918d;
  --corail-fonce: #a84a44;
  --corail-texte: #9e443f;
  --corail-pale: #fdeeed;
  --corail-bord: #f3cdca;
  --encre: #2e2422;
  --fond: #faf7f6;
  --carte: #ffffff;
  --brume: #8a7a78;
  --alerte-fond: #fbf3dc;
  --alerte-texte: #6d5613;
  --danger: #a84a44;
  --rayon: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--fond);
  color: var(--encre);
  line-height: 1.5;
}

h1, h2, h3 { font-family: Georgia, 'Times New Roman', serif; font-weight: 600; }

.conteneur {
  max-width: 640px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

header.appli {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 2px solid var(--corail-pale);
  padding-bottom: 12px;
  margin-bottom: 24px;
}

header.appli .titre-appli {
  display: flex;
  align-items: center;
  gap: 10px;
}
header.appli .logo { width: 28px; height: 28px; flex-shrink: 0; }
header.appli h1 { font-size: 1.35rem; margin: 0; color: var(--corail-texte); }

.statut {
  font-size: 0.8rem;
  color: var(--brume);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.statut .point {
  width: 9px; height: 9px; border-radius: 50%;
  background: #c3b6b4;
}
.statut.en-ligne .point { background: #2e9e4f; }

.carte {
  background: var(--carte);
  border: 1px solid var(--corail-bord);
  border-radius: var(--rayon);
  padding: 24px;
  margin-bottom: 16px;
}

.charte {
  background: var(--alerte-fond);
  color: var(--alerte-texte);
  border-radius: var(--rayon);
  padding: 14px 18px;
  font-size: 0.9rem;
  margin-bottom: 16px;
}
.charte strong { display: block; margin-bottom: 4px; }

button, .bouton {
  font: inherit;
  background: var(--corail-fonce);
  color: #fff;
  border: none;
  border-radius: var(--rayon);
  padding: 12px 20px;
  cursor: pointer;
  min-height: 44px;
}
button:hover, .bouton:hover { background: #8f3d38; }
button.secondaire {
  background: transparent;
  color: var(--corail-texte);
  border: 1px solid var(--corail-fonce);
}
button.secondaire:hover { background: var(--corail-pale); }
button.danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
button.danger:hover { background: var(--corail-pale); }
button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--corail);
  outline-offset: 1px;
}

label { display: block; font-size: 0.9rem; font-weight: 600; margin-bottom: 6px; }

input[type='text'], input[type='password'], textarea {
  font: inherit;
  width: 100%;
  padding: 12px;
  border: 1px solid #dcc7c5;
  border-radius: var(--rayon);
  background: #fff;
}

.champ-groupe { margin-bottom: 16px; }

.ticket-code {
  border: 2px dashed var(--corail-fonce);
  border-radius: var(--rayon);
  background: var(--corail-pale);
  text-align: center;
  padding: 20px;
  margin: 16px 0;
}
.ticket-code .code {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  font-size: 1.5rem;
  letter-spacing: 2px;
  color: var(--corail-texte);
  user-select: all;
  word-break: break-all;
}
.ticket-code p { margin: 8px 0 0; font-size: 0.85rem; color: var(--brume); }

.actions { display: flex; flex-wrap: wrap; gap: 10px; }
.actions button { flex: 1; min-width: 140px; }

.messages {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 200px;
  max-height: 55vh;
  overflow-y: auto;
  padding: 4px;
  -webkit-overflow-scrolling: touch;
}
.bulle {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 14px;
  white-space: pre-wrap;
  word-break: break-word;
}
.bulle .heure { display: block; font-size: 0.7rem; opacity: 0.7; margin-top: 4px; }
.bulle.moi { align-self: flex-end; background: var(--corail-fonce); color: #fff; border-bottom-right-radius: 4px; }
.bulle.autre { align-self: flex-start; background: var(--corail-pale); border-bottom-left-radius: 4px; }

.saisie {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}
.saisie textarea { resize: none; height: 64px; flex: 1; }
.saisie button { flex-shrink: 0; }

.discret { font-size: 0.8rem; color: var(--brume); }
.erreur { color: var(--danger); font-size: 0.9rem; margin-top: 8px; }
.cache { display: none !important; }

.admin-grille {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 16px;
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px;
}
.liste-conv { display: flex; flex-direction: column; gap: 8px; }
.item-conv {
  text-align: left;
  background: var(--carte);
  color: var(--encre);
  border: 1px solid var(--corail-bord);
  border-radius: var(--rayon);
  padding: 12px;
  cursor: pointer;
  position: relative;
  min-height: 0;
}
.item-conv:hover { background: var(--corail-pale); }
.item-conv.actif { border-color: var(--corail-fonce); border-width: 2px; }
.item-conv .pseudo { font-weight: 600; }
.item-conv .apercu {
  font-size: 0.8rem; color: var(--brume);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  padding-right: 40px;
}
.badge {
  position: absolute; top: 10px; right: 10px;
  background: var(--danger); color: #fff;
  font-size: 0.7rem; border-radius: 999px;
  padding: 2px 8px;
}

@media (max-width: 720px) {
  .admin-grille {
    grid-template-columns: 1fr;
    padding: 16px 12px;
  }
  .conteneur { padding: 16px 12px 32px; }
  .carte { padding: 18px; }
  header.appli h1 { font-size: 1.15rem; }
  .messages { max-height: 60vh; }
  .admin-grille aside { order: 1; }
  .admin-grille main { order: 2; }
}

@media (max-width: 400px) {
  .saisie { flex-direction: column; }
  .saisie button { width: 100%; }
  .ticket-code .code { font-size: 1.2rem; letter-spacing: 1px; }
}

@media (prefers-reduced-motion: no-preference) {
  .bulle { animation: apparait 0.15s ease-out; }
  @keyframes apparait { from { opacity: 0; transform: translateY(4px); } }
}