/* ── Navigation bas de page ── */
#bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  display: flex;
  z-index: 200;
  height: calc(var(--nav-height) + env(safe-area-inset-bottom, 0px));
  /* padding pour l'encoche basse (Android/iPhone) */
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.nav-tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--ui);
  font-size: 0.72rem;
  font-weight: 500;
  transition: color 0.2s, background 0.2s;
  padding: 0.5rem 0;
  min-height: 44px;
}
.nav-tab:hover  { background: var(--bg-card2); color: var(--text); }
.nav-tab.active { color: var(--primary-light); }

.nav-icon  { font-size: 1.4rem; line-height: 1; }
.nav-label { letter-spacing: 0.01em; }