/* Flash Messages (toast notifications) */

@keyframes flash-in {
  from {
    opacity: 0;
    transform: translateY(-1rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes flash-out {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-1rem);
  }
}

.flash-container {
  position: fixed;
  top: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  width: max-content;
  max-width: calc(100vw - var(--space-8));
  pointer-events: none;
}

.flash {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  line-height: var(--leading-normal);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  opacity: 0;
  transform: translateY(-1rem);
}

.flash--visible {
  animation: flash-in var(--duration-slow) var(--easing-out) forwards;
}

.flash--dismissing {
  animation: flash-out var(--duration-normal) var(--easing-in) forwards;
}

.flash__icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.flash__text {
  flex: 1;
  min-width: 0;
}

.flash__close {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  padding: 0;
  margin-left: var(--space-2);
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: inherit;
  opacity: 0.6;
  cursor: pointer;
  transition: opacity var(--duration-fast) var(--easing-default);
}

.flash__close:hover {
  opacity: 1;
}

/* --- Type Variants --- */

.flash--notice,
.flash--success {
  background: var(--color-success-subtle);
  color: var(--color-success-text);
  border: 1px solid var(--color-success);
}

.flash--info {
  background: var(--color-info-subtle);
  color: var(--color-info-text);
  border: 1px solid var(--color-info);
}

.flash--warning {
  background: var(--color-warning-subtle);
  color: var(--color-warning-text);
  border: 1px solid var(--color-warning);
}

.flash--alert,
.flash--danger {
  background: var(--color-destructive-subtle);
  color: var(--color-destructive-text);
  border: 1px solid var(--color-destructive);
}