@layer components {

  /* ── Backdrop ─────────────────────────────────────────────────────── */

  .modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: var(--z-overlay);
    align-items: center;
    justify-content: center;
    background-color: oklch(from var(--color-neutral-950) l c h / 0.4);
  }

  .modal.is-active {
    display: flex;
  }

  /* ── Dialog ───────────────────────────────────────────────────────── */

  .modal-dialog {
    background-color: var(--color-surface-primary);
    border: 1px solid var(--color-border-default);
    border-radius: 0;
    box-shadow: var(--shadow-float);
    width: 100%;
    max-width: 480px;
    max-height: calc(100vh - var(--space-8));
    overflow-y: auto;
    animation: modal-enter var(--duration-slow) ease-out;
  }

  @keyframes modal-enter {
    from {
      opacity: 0;
      transform: translateY(var(--space-4));
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* ── Width variants ───────────────────────────────────────────────── */

  .modal-narrow .modal-dialog {
    max-width: 400px;
  }

  .modal-wide .modal-dialog {
    max-width: 640px;
  }

  /* ── Header ───────────────────────────────────────────────────────── */

  .modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border-default);
  }

  /* ── Close button ─────────────────────────────────────────────────── */

  .modal-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2);
    border: none;
    border-radius: 0;
    background-color: transparent;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: background-color var(--duration-normal) ease-out;
    margin-left: auto;
  }

  .modal-close:hover {
    background-color: var(--color-surface-secondary);
  }

  .modal-close:active {
    background-color: var(--color-surface-tertiary);
    transition: none;
  }

  .modal-close:focus-visible {
    outline: 2px solid var(--color-accent-base);
    outline-offset: 2px;
  }

  .modal-close > svg {
    width: var(--icon-sm);
    height: var(--icon-sm);
  }

  /* ── Body ──────────────────────────────────────────────────────────── */

  .modal-body {
    padding: var(--space-4);
  }

  /* ── Footer ───────────────────────────────────────────────────────── */

  .modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-4);
    border-top: 1px solid var(--color-border-default);
  }

  /* ── Responsive ───────────────────────────────────────────────────── */

  @media (max-width: 640px) {
    .modal-dialog {
      max-width: calc(100% - var(--space-4) * 2);
    }

    .modal-narrow .modal-dialog,
    .modal-wide .modal-dialog {
      max-width: calc(100% - var(--space-4) * 2);
    }
  }

  /* ── Reduced motion ───────────────────────────────────────────────── */

  @media (prefers-reduced-motion: reduce) {
    .modal-dialog {
      animation: none;
    }
  }
}