.account-environment-control {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0;
  padding: 4px 7px;
  border: 1px solid #dbe2ea;
  border-radius: 999px;
  background: #fff;
}

.account-environment-label {
  color: #94a3b8;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .035em;
  line-height: 1;
  text-transform: uppercase;
}

.account-environment-label.is-active { color: #172033; }

.account-environment-toggle {
  display: inline-flex;
  align-items: center;
  width: 38px;
  height: 22px;
  padding: 2px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
}

.account-environment-toggle:focus-visible {
  outline: 3px solid #bfdbfe;
  outline-offset: 2px;
}

.account-environment-track {
  position: relative;
  display: block;
  width: 34px;
  height: 18px;
  border-radius: 999px;
  background: #dbe2ea;
  transition: background-color .16s ease;
}

.account-environment-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(15, 23, 42, .24);
  transition: transform .16s ease;
}

.account-environment-toggle.env-test .account-environment-track { background: #d97706; }
.account-environment-toggle.env-live .account-environment-track { background: #15803d; }
.account-environment-toggle.env-live .account-environment-thumb { transform: translateX(16px); }

.account-environment-static,
.payment-environment-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font-weight: 800;
  line-height: 1;
  text-transform: uppercase;
}

.account-environment-static {
  min-height: 30px;
  padding: 5px 10px;
  font-size: 11px;
}

.payment-environment-badge {
  min-height: 22px;
  padding: 3px 7px;
  font-size: 10px;
}

.account-environment-static.env-test,
.payment-environment-badge.env-test { background: #fef3c7; color: #92400e; }
.account-environment-static.env-live,
.payment-environment-badge.env-live { background: #dcfce7; color: #166534; }

.account-environment-banner {
  position: sticky;
  top: 64px;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 0 0 10px;
  padding: 5px 9px;
  border: 1px solid;
  border-left-width: 3px;
  border-radius: 6px;
  font-size: 10px;
  line-height: 1.25;
  box-shadow: 0 1px 2px rgba(15, 23, 42, .04);
}

.account-environment-banner > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 2px 6px;
  min-width: 0;
}

.account-environment-banner.env-test { border-color: #f59e0b; background: #fffbeb; color: #78350f; }
.account-environment-banner.env-live { border-color: #22c55e; background: #f0fdf4; color: #14532d; }
.account-environment-banner strong { font-size: 10px; letter-spacing: .045em; }

.environment-connection-state {
  flex: 0 0 auto;
  padding: 3px 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .82);
  font-size: 9px;
  font-weight: 800;
  white-space: nowrap;
}
.environment-connection-state.is-disconnected { color: #b91c1c; }

.payment-environment-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 12px;
  border-bottom: 1px solid;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .035em;
  text-align: center;
}
.payment-environment-banner.env-test { border-color: #f59e0b; background: #fffbeb; color: #92400e; }
.payment-environment-banner.env-live { border-color: #bbf7d0; background: #f0fdf4; color: #166534; }

.return-environment-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  padding: 8px 10px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  color: #526078;
  font-size: 11px;
  line-height: 1.4;
}

.environment-view-switcher {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.environment-view-switcher .btn.is-active {
  border-color: #94a3b8;
  background: #e2e8f0;
  color: #172033;
}

.support-mode-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 0 0 16px;
  padding: 12px 14px;
  border: 2px solid #c2410c;
  border-left-width: 6px;
  border-radius: 9px;
  background: #fff7ed;
  color: #7c2d12;
  box-shadow: 0 1px 2px rgba(15, 23, 42, .06);
}
.support-mode-copy { display: grid; gap: 3px; min-width: 0; }
.support-mode-copy strong { font-size: 11px; letter-spacing: .08em; }
.support-mode-copy span { font-size: 13px; font-weight: 800; overflow-wrap: anywhere; }
.support-mode-copy small { color: #9a3412; font-size: 11px; }
.support-mode-exit {
  border: 1px solid #9a3412;
  border-radius: 8px;
  background: #9a3412;
  color: #fff;
  padding: 8px 11px;
  font-size: 11px;
  font-weight: 800;
  cursor: pointer;
  white-space: nowrap;
}
.support-mode-exit:hover { background: #7c2d12; }
.support-mode-exit:focus-visible { outline: 3px solid #fdba74; outline-offset: 2px; }

@media (max-width: 760px) {
  .account-environment-control { gap: 5px; padding-inline: 6px; }
  .account-environment-label { font-size: 9px; }
  .account-environment-banner {
    align-items: center;
    flex-direction: row;
    gap: 6px;
    padding: 4px 7px;
    font-size: 9px;
  }
  .account-environment-banner > div {
    flex-wrap: nowrap;
    overflow: hidden;
  }
  .account-environment-banner > div > span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .account-environment-banner > div > span:last-child { display: none; }
  .account-environment-banner strong { flex: 0 0 auto; font-size: 9px; }
  .environment-connection-state { padding: 2px 5px; font-size: 8px; }
  .return-environment-row,
  .support-mode-banner { align-items: flex-start; flex-direction: column; }
  .support-mode-exit { width: 100%; }
  .support-mode-banner form { width: 100%; }
}

@media (max-width: 520px) {
  .account-environment-control { gap: 4px; padding: 3px 4px; }
  .account-environment-label:not(.is-active) { display: none; }
  .account-environment-label.is-active { font-size: 8px; }
  .account-environment-banner {
    gap: 5px;
    padding: 4px 6px;
  }
  .account-environment-banner > div > span:not(:first-of-type) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .account-environment-track,
  .account-environment-thumb { transition: none; }
}