:root {
  --brun: #6b4226;
  --ambre: #d98a3d;
  --ambre-clair: #f0b46b;
  --creme: #faf6f0;
  --texte: #2e2a26;
  --gris: #8a8178;
  --vert: #4caf50;
  --rouge: #d9534f;
  --ombre: 0 4px 16px rgba(107, 66, 38, 0.12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--creme);
  color: var(--texte);
  line-height: 1.5;
}

/* ── Barre supérieure ── */
.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 28px;
  background: var(--brun);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: var(--ombre);
  flex-wrap: wrap;
}
.brand { font-size: 22px; font-weight: 700; }
.tabs { display: flex; gap: 6px; margin-left: auto; }
.tab {
  background: transparent;
  border: none;
  color: #f0e6da;
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 15px;
  transition: background 0.15s;
}
.tab:hover { background: rgba(255, 255, 255, 0.12); }
.tab.active { background: var(--ambre); color: #fff; font-weight: 600; }
.user-badge {
  background: rgba(255, 255, 255, 0.15);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 14px;
}

/* ── Vues ── */
main { max-width: 1100px; margin: 0 auto; padding: 28px; }
.view { display: none; }
.view.active { display: block; }
h1 { color: var(--brun); margin-bottom: 18px; }

/* ── Filtres ── */
.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.filters input, .filters select {
  padding: 10px 12px;
  border: 1px solid #e2d8cc;
  border-radius: 10px;
  font-size: 14px;
  background: #fff;
}

/* ── Boutons ── */
.btn {
  background: var(--ambre);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.15s, transform 0.05s;
}
.btn:hover { background: #c4792f; }
.btn:active { transform: scale(0.98); }
.btn-secondary { background: var(--gris); }
.btn-secondary:hover { background: #6f675e; }

/* ── Grille de cartes ── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 20px;
}
.card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--ombre);
}
.card-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  background: #f0e6da;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 44px;
  color: var(--ambre-clair);
}
.card-body { padding: 14px 16px; }
.card-title { font-weight: 700; color: var(--brun); margin-bottom: 4px; }
.card-meta { font-size: 13px; color: var(--gris); margin-bottom: 8px; }
.card-prix { font-size: 18px; font-weight: 700; color: var(--ambre); }
.badge {
  display: inline-block;
  font-size: 11px;
  background: #eef7ee;
  color: var(--vert);
  padding: 2px 8px;
  border-radius: 999px;
  margin-right: 4px;
}

/* ── Auth & profil ── */
.auth-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; max-width: 720px; }
.card.auth, .card.profile { padding: 22px; }
.card.auth h2 { color: var(--brun); margin-bottom: 14px; font-size: 18px; }
.card.auth form, #loginForm, #registerForm { display: flex; flex-direction: column; gap: 10px; }
.card.auth input {
  padding: 11px 13px;
  border: 1px solid #e2d8cc;
  border-radius: 10px;
  font-size: 14px;
}
.card.profile { max-width: 480px; }
.profile-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid #f0e6da; }
.profile-row span:first-child { color: var(--gris); }
.role-chip { background: var(--ambre-clair); color: var(--brun); padding: 2px 10px; border-radius: 999px; font-size: 12px; margin-left: 4px; }

.empty { color: var(--gris); padding: 40px; text-align: center; grid-column: 1 / -1; }
.hidden { display: none; }

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--brun);
  color: #fff;
  padding: 12px 22px;
  border-radius: 12px;
  box-shadow: var(--ombre);
  opacity: 0;
  transition: all 0.25s;
  z-index: 100;
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }
.toast.error { background: var(--rouge); }
.toast.success { background: var(--vert); }

@media (max-width: 600px) {
  .auth-cards { grid-template-columns: 1fr; }
  .topbar { gap: 12px; }
}