@layer components {
  /* ── Slide-over Panel ──────────────────────────────────── */
  .slideover {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    justify-content: flex-end;
  }

  .slideover__backdrop {
    position: absolute;
    inset: 0;
    /* intentional: dark overlay behind slideover panel */
    background-color: oklch(var(--admin-shadow-lch) / 0.55);
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 300ms ease;
  }

  .slideover--open .slideover__backdrop {
    opacity: 1;
  }

  .slideover__panel {
    position: relative;
    width: 100%;
    max-width: 36rem;
    height: 100%;
    background-color: var(--admin-surface-container);
    /* intentional: panel drop shadow */
    box-shadow: -12px 0 32px oklch(var(--admin-shadow-lch) / 0.12);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 300ms cubic-bezier(0.32, 0.72, 0, 1);
  }

  .slideover--open .slideover__panel {
    transform: translateX(0);
  }

  .slideover__header {
    padding: var(--space-lg) var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    background-color: var(--admin-surface-container);
    border-bottom: 1px solid var(--admin-ghost-border);
    position: sticky;
    top: 0;
    z-index: 1;
  }

  .slideover__header-left {
    display: flex;
    align-items: center;
    gap: var(--space-md);
  }

  .slideover__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: var(--radius-full);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--admin-on-surface);
    transition: background-color var(--transition-fast);

    & svg {
      width: 1.25rem;
      height: 1.25rem;
    }

    &:hover {
      background-color: var(--admin-surface-low);
    }
  }

  .slideover__title {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--admin-primary);
    letter-spacing: -0.02em;
    line-height: var(--leading-tight);
  }

  .slideover__subtitle {
    font-size: var(--text-sm);
    color: var(--admin-on-surface-variant);
    margin-top: 0.125rem;
  }

  .slideover__header-right {
    display: flex;
    align-items: center;
    gap: var(--space-md);
  }

  .slideover__badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.625rem;
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--admin-tertiary);
    background-color: oklch(var(--lch-warning-bg));
    border: 1px solid oklch(var(--lch-warning) / 0.3);
    border-radius: var(--radius-full);
  }

  .slideover__save-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--admin-on-primary);
    background-color: var(--admin-primary);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: background-color var(--transition-fast);

    & svg {
      width: 1rem;
      height: 1rem;
    }

    &:hover {
      background-color: var(--admin-primary-light);
    }
  }

  .slideover__body {
    flex: 1;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--admin-scrollbar) transparent;
  }
}