.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 10001;
  background: var(--bg-panel);
  border: 1px solid var(--border-active);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 14px 18px;
  box-shadow: 0 0 28px var(--glow-blue-soft);
  opacity: 0;
  transform: translateY(18px);
  transition: var(--transition);
}
.toast.visible { opacity: 1; transform: translateY(0); }
.hidden { display: none !important; }
.full-width { width: 100%; }
.text-center { text-align: center; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }