/* ═══════════════════════════════════════════════════════════════════
   AURALIS · Toast notifications (Task R polish)
   ───────────────────────────────────────────────────────────────────
   Queue support (vertical stack), tap-to-dismiss, 3 variants,
   slide-up enter / fade-out leave, ARIA live, reduced-motion safe.
   ═══════════════════════════════════════════════════════════════════ */

.toast-container {
  position: fixed;
  left: 0;
  right: 0;
  bottom: calc(env(safe-area-inset-bottom, 0) + 88px);
  z-index: 300;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
  padding: 0 16px;
}

.toast {
  pointer-events: auto;
  max-width: 380px;
  width: 100%;
  padding: 12px 18px;
  border-radius: var(--radius-pill);
  font-size: 13.5px;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.01em;
  line-height: 1.4;
  color: white;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.25s var(--ease), transform 0.3s var(--ease-spring);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
  cursor: default;
  outline: none;
}
.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.toast.is-leaving {
  opacity: 0;
  transform: translateY(-8px);
}
.toast--tappable {
  cursor: pointer;
}
.toast--tappable:hover,
.toast--tappable:focus-visible {
  filter: brightness(1.08);
  outline: none;
}

/* ═══ VARIANTS ═══ */
.toast--info {
  background: linear-gradient(135deg, hsl(var(--hue1) 70% 55%), hsl(var(--hue2) 65% 55%));
}
.toast--info-champagne {
  background: linear-gradient(135deg, hsl(38 75% 55%), hsl(32 70% 48%));
}
.toast--error {
  background: linear-gradient(135deg, hsl(355 75% 50%), hsl(345 70% 45%));
}
.toast--success {
  background: linear-gradient(135deg, hsl(145 60% 50%), hsl(155 55% 45%));
}

@media (prefers-reduced-motion: reduce) {
  .toast {
    transition: opacity 0.01s;
    transform: none;
  }
  .toast.is-leaving { transform: none; }
}