/* ============================================
   TOAST — Bilhete de papel
   ============================================ */

.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background-color: var(--paper);
  color: var(--ink);
  padding: 14px 24px;
  border-radius: var(--radius-fold);
  font-size: var(--font-size-sm);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: var(--z-toast);
  max-width: 90vw;
  text-align: center;
  box-shadow: var(--paper-shadow-lg);
  display: flex;
  align-items: center;
  gap: 16px;
  border: var(--paper-weight) solid var(--paper-dim);
}

/* Cantinho dobrado */
.toast::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 0 12px 12px;
  border-color: transparent transparent var(--paper-dim) transparent;
}

.toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.toast-action {
  background: transparent;
  border: var(--paper-weight) solid var(--ink);
  color: var(--ink);
  border-radius: var(--radius-fold);
  padding: 4px 12px;
  font-family: var(--font-body);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
  flex-shrink: 0;
}

.toast-action:hover,
.toast-action:focus-visible {
  background: var(--ink);
  color: var(--paper);
  outline: none;
}

@media (max-width: 600px) {
  .toast {
    bottom: max(20px, env(safe-area-inset-bottom));
    left: 16px;
    right: 16px;
    transform: translateX(0) translateY(20px);
    max-width: none;
    border-radius: var(--radius-fold);
    font-size: var(--font-size-sm);
    padding: 12px 20px;
  }
  .toast.show {
    transform: translateX(0) translateY(0);
  }
}