@layer components {
  /* Flash Notification Styles */
  .flash-container {
    position: fixed;
    /* Position below fixed header */
    top: calc(var(--header-height) + var(--space-lg));
    right: var(--space-lg);
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    max-width: min(90vw, 400px);
  }

  .flash {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: flash-slide-in var(--duration-normal) var(--ease-out);
  }

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

  .flash--dismissing {
    animation: flash-slide-out var(--duration-fast) var(--ease-out) forwards;
  }

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

  .flash--success {
    background-color: var(--color-success-light);
    color: oklch(30% 0.15 155);
    border: 1px solid oklch(80% 0.08 155);
  }

  .flash--error,
  .flash--alert {
    background-color: var(--color-error-light);
    color: oklch(35% 0.2 25);
    border: 1px solid oklch(80% 0.08 25);
  }

  .flash--notice {
    background-color: var(--color-primary-subtle);
    color: var(--color-primary-dark);
    border: 1px solid oklch(85% 0.05 295);
  }

  .flash__message {
    font-size: 0.9375rem;
    font-weight: 500;
    line-height: 1.4;
  }

  .flash__dismiss {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    opacity: 0.7;
    flex-shrink: 0;
    transition: opacity var(--duration-fast) var(--ease-out);
  }

  .flash__dismiss:hover {
    opacity: 1;
  }

  /* Responsive flash */
  @media (max-width: 500px) {
    .flash-container {
      /* Position below fixed header on mobile */
      top: calc(var(--header-height) + var(--space-md));
      right: var(--space-md);
      left: var(--space-md);
      max-width: none;
    }
  }
}