@layer components {
  /* ── Slide-over Form ───────────────────────────────────── */
  .slideover-form__toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-xl);
    border-bottom: 1px solid var(--admin-ghost-border);
  }

  .slideover-form__toggle-label {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--admin-on-surface);
  }

  .slideover-form__radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
  }

  .slideover-form__radio-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-sm);
    cursor: pointer;
  }

  .slideover-form__hint {
    font-size: var(--text-xs);
    color: var(--admin-on-surface-variant);
  }

  /* ── Banner source toggle (CSS-only :has()) ───────────────── */
  .banner-source [data-banner-source-target] {
    display: none;
  }

  .banner-source:has(input[value="existing"]:checked) [data-banner-source-target="existing"] {
    display: block;
  }

  .banner-source:has(input[value="upload"]:checked) [data-banner-source-target="upload"] {
    display: block;
  }

  /* ── Published toggle — show/hide dates (CSS-only :has()) ─── */
  .publication-dates,
  .promotion-date {
    display: none;
  }

  .published-toggle:has(.toggle__input:checked) ~ .publication-dates,
  .promoted-toggle:has(.toggle__input:checked) ~ .promotion-date {
    display: block;
  }


  /* Toggle switch */
  .toggle {
    position: relative;
    display: inline-block;
    cursor: pointer;
  }

  .toggle__input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
  }

  .toggle__track {
    display: block;
    width: 2.5rem;
    height: 1.25rem;
    background-color: var(--admin-border-light);
    border-radius: var(--radius-full);
    transition: background-color var(--transition-fast);
    position: relative;
  }

  .toggle__thumb {
    position: absolute;
    top: 0.125rem;
    left: 0.125rem;
    width: 1rem;
    height: 1rem;
    background-color: var(--admin-on-primary);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast);
  }

  .toggle__input:checked + .toggle__track {
    background-color: var(--admin-primary);
  }

  .toggle__input:checked + .toggle__track .toggle__thumb {
    transform: translateX(1.25rem);
  }

  /* Form sections */
  .slideover-form__section {
    padding-bottom: var(--space-xl);
  }

  .slideover-form__section-header {
    background-color: var(--admin-surface-low);
    padding: var(--space-sm) var(--space-xl);
  }

  .slideover-form__section-title {
    font-size: 0.625rem;
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--admin-on-surface-variant);
  }

  .slideover-form__section-body {
    padding: var(--space-lg) var(--space-xl) 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
  }

  .slideover-form__info-box {
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    color: var(--admin-tertiary);
    background-color: oklch(var(--lch-warning-bg));
    border: 1px solid oklch(var(--lch-warning) / 0.25);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
  }

  .slideover-form__info-box--error {
    color: var(--color-negative);
    background-color: oklch(var(--lch-negative-bg));
    border-color: oklch(var(--lch-negative) / 0.25);

    & ul {
      margin: 0;
      padding-left: var(--space-md);
    }
  }

  .slideover-form__field {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);

    &[hidden] { display: none; }
  }

  /* ── Generated toggle — show/hide SQL query (CSS-only :has()) ─── */
  .group-query-field {
    display: none;
  }

  .generated-toggle:has(.toggle__input:checked) ~ .group-query-field {
    display: flex;
  }

  .slideover-form__field--center {
    align-items: center;
  }

  .slideover-form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }

  .slideover-form__label {
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    color: var(--admin-on-surface-variant);
  }

  .slideover-form__required {
    color: var(--color-negative);
    margin-left: 0.125rem;
  }

  .slideover-form__input {
    width: 100%;
    border: none;
    border-bottom: 1px solid var(--admin-border-light);
    border-radius: 0;
    padding: var(--space-sm) 0;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--admin-on-surface);
    background-color: transparent;
    transition: border-color var(--transition-fast);

    &::placeholder {
      color: var(--admin-on-surface-variant);
    }

    &:focus {
      outline: none;
      border-color: var(--admin-primary);
    }

    &[readonly] {
      opacity: 0.7;
      cursor: default;
    }
  }

  .slideover-form__input--textarea {
    border: 1px solid var(--admin-border-light);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
    resize: vertical;
    min-height: 3rem;
  }

  /* Trix editor within slide-over */
  .slideover-form__rich-text trix-editor {
    min-height: 15rem;
    max-height: 24rem;
    overflow-y: auto;
    border: 1px solid var(--admin-border-light);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
    font-size: var(--text-sm);
    color: var(--admin-on-surface);

    &:focus {
      border-color: var(--admin-primary);
      outline: none;
    }
  }

  .slideover-form__rich-text trix-toolbar {
    border: 1px solid var(--admin-border-light);
    border-bottom: none;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    padding: var(--space-xs);
    background-color: var(--admin-surface-low);
  }

  .slideover-form__rich-text trix-toolbar + trix-editor {
    border-top-left-radius: 0;
    border-top-right-radius: 0;
  }

  .slideover-form__input-wrapper {
    position: relative;
  }

  .slideover-form__input-wrapper .slideover-form__input {
    padding-right: var(--space-xl);
  }

  .slideover-form__input-icon {
    position: absolute;
    right: 0;
    bottom: var(--space-sm);
    display: inline-flex;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--admin-on-surface-variant);
    transition: color var(--transition-fast);

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

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

  .slideover-form__hint {
    font-size: 0.625rem;
    color: var(--admin-on-surface-variant);
  }

  .slideover-form__hint--warning {
    color: var(--color-negative);
  }

  .slideover-form__hint--subtle {
    margin-top: var(--space-xs);
  }

  .slideover-form__checkbox-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
  }

  .slideover-form__checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-sm);
    color: var(--admin-on-surface);

    & input {
      accent-color: var(--admin-primary);
    }
  }

  .article-groups__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
  }

  .article-groups__add-btn {
    width: 2rem;
    height: 2rem;
    border-radius: var(--radius-full);
    border: none;
    background-color: var(--admin-primary);
    color: var(--admin-on-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform var(--transition-fast), opacity var(--transition-fast);

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

    &:hover {
      opacity: 0.9;
      transform: scale(1.05);
    }

    &:active {
      transform: scale(0.96);
    }
  }

  .slideover-form__generate-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-xl);
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--admin-on-primary);
    background-color: var(--admin-secondary);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: filter var(--transition-fast);

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

    &:hover {
      filter: brightness(0.9);
    }
  }

  /* Select wrapper */
  .slideover-form__select-wrapper {
    position: relative;

    & svg {
      position: absolute;
      right: var(--space-sm);
      top: 50%;
      transform: translateY(-50%);
      width: 1.25rem;
      height: 1.25rem;
      color: var(--admin-on-surface-variant);
      pointer-events: none;
    }
  }

  .slideover-form__select {
    width: 100%;
    padding: var(--space-sm) var(--space-xl) var(--space-sm) var(--space-sm);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--admin-on-surface);
    background-color: var(--admin-surface-container);
    border: 1px solid var(--admin-border-light);
    border-radius: var(--radius-md);
    appearance: none;
    cursor: pointer;
    transition: border-color var(--transition-fast);

    &:focus {
      outline: none;
      border-color: var(--admin-primary);
    }
  }


  /* ── News article file attachments ───────────────────── */
  .file-rows-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
  }

  .file-row {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background-color: var(--admin-surface-low);
    border-radius: var(--radius-md);
    border: 1px solid var(--admin-ghost-border);
  }

  .file-row--pending {
    border: 1px dashed oklch(var(--lch-primary) / 0.5);
  }

  .file-row__icon {
    width: 1.75rem;
    height: 1.75rem;
    flex-shrink: 0;
    color: var(--admin-primary);
    display: flex;
    align-items: center;
    justify-content: center;

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

  .file-row__name {
    flex: 1;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--admin-on-surface);
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }

  .file-row__size {
    font-size: var(--text-xs);
    color: var(--admin-on-surface-variant);
    flex-shrink: 0;
  }

  .file-upload-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg);
    border: 1.5px dashed var(--admin-border-medium);
    border-radius: var(--radius-md);
    background-color: var(--admin-surface-low);
    cursor: pointer;
    transition: border-color var(--transition-fast),
                background-color var(--transition-fast);

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

  .file-upload-zone__input {
    display: none;
  }

  .file-upload-zone__icon {
    color: var(--admin-primary);
    opacity: 0.6;

    & svg { width: 1.5rem; height: 1.5rem; }
  }

  .file-upload-zone__label {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--admin-on-surface-variant);
  }

  .file-upload-zone__hint {
    font-size: 0.625rem;
    color: var(--admin-on-surface-variant);
    opacity: 0.7;
  }

  /* ── Save button loading state ─────────────────────────── */
  @keyframes btn-spin {
    to { transform: rotate(360deg); }
  }

  .slideover__save-btn--loading {
    cursor: not-allowed;
    opacity: 0.75;

    & svg {
      display: none;
    }

    &::before {
      content: "";
      width: 1rem;
      height: 1rem;
      /* intentional: spinner on dark button background */
      border: 2px solid oklch(var(--lch-white) / 0.3);
      border-top-color: var(--admin-on-primary);
      border-radius: 50%;
      animation: btn-spin 0.7s linear infinite;
      flex-shrink: 0;
    }
  }
}