@layer lu-components {
  /* ==========================================================================
     LuCollapsible + LuAccordion
     ========================================================================== */

  .lu-collapsible {
    display: flex;
    flex-direction: column;
    width: 100%;
  }

  .lu-collapsible__trigger {
    display: flex;
    align-items: center;
    width: 100%;
    padding: var(--lu-space-3) var(--lu-space-4);
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    color: var(--lu-color-text);
    font-size: var(--lu-text-sm);
    transition: background var(--lu-duration-fast);
    border-radius: var(--lu-radius-2);
  }

  .lu-collapsible__trigger:hover {
    background: var(--lu-color-surface-hover);
  }

  .lu-collapsible__content-inner {
    padding: var(--lu-space-2) var(--lu-space-4) var(--lu-space-4);
  }

  .lu-accordion {
    display: flex;
    flex-direction: column;
    width: 100%;
    border: 1px solid var(--lu-color-border);
    border-radius: var(--lu-radius-card);
    overflow: hidden;
  }

  .lu-accordion-item {
    border-bottom: 1px solid var(--lu-color-border);
    display: flex;
    flex-direction: column;
  }

  .lu-accordion-item:last-child {
    border-bottom: none;
  }

  .lu-accordion-item__trigger {
    display: flex;
    align-items: center;
    width: 100%;
    padding: var(--lu-space-4);
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: var(--lu-text-sm);
    font-weight: var(--lu-font-medium);
    color: var(--lu-color-text);
    transition: background var(--lu-duration-fast);
  }

  .lu-accordion-item__trigger:hover {
    background: var(--lu-color-surface-hover);
  }

  /* ==========================================================================
     LuRichTextEditor
     ========================================================================== */

  .lu-rich-text-editor {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--lu-color-border);
    border-radius: var(--lu-radius-card);
    overflow: hidden;
    background: var(--lu-color-surface-raised);
    width: 100%;
  }

  .lu-rich-text-editor:focus-within {
    border-color: var(--lu-color-border-focus);
  }

  .lu-rich-text-editor__toolbar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 2px;
    padding: var(--lu-space-2);
    border-bottom: 1px solid var(--lu-color-border);
    background: var(--lu-color-surface-sunken);
  }

  .lu-rich-text-editor__toolbar-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: var(--lu-radius-2);
    border: none;
    background: transparent;
    color: var(--lu-color-text-muted);
    cursor: pointer;
    font-size: var(--lu-text-xs);
    transition: background var(--lu-duration-fast);
  }

  .lu-rich-text-editor__toolbar-button:hover {
    background: var(--lu-color-surface-hover);
    color: var(--lu-color-text);
  }

  .lu-rich-text-editor__toolbar-button--active {
    background: var(--lu-color-surface-hover);
    color: var(--lu-color-primary);
    font-weight: var(--lu-font-bold);
  }

  .lu-rich-text-editor__toolbar-divider {
    display: inline-block;
    width: 1px;
    height: 1.25rem;
    background: var(--lu-color-border);
    margin: 0 var(--lu-space-1);
    align-self: center;
  }

  .lu-rich-text-editor__content {
    padding: var(--lu-space-4);
    outline: none;
    font-size: var(--lu-text-sm);
    color: var(--lu-color-text);
    line-height: 1.6;
    overflow-y: auto;
  }

  /* ==========================================================================
     LuFormWizard
     ========================================================================== */

  .lu-form-wizard {
    display: flex;
    flex-direction: column;
    gap: var(--lu-space-6);
    width: 100%;
  }

  .lu-form-wizard__steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    width: 100%;
  }

  .lu-form-wizard__step-connector {
    flex: 1;
    height: 2px;
    background: var(--lu-color-border);
    transition: background var(--lu-duration-base);
  }

  .lu-form-wizard__step-connector--completed {
    background: var(--lu-color-primary);
  }

  .lu-form-wizard__step-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--lu-space-1);
    position: relative;
  }

  .lu-form-wizard__step {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: var(--lu-radius-full);
    border: 2px solid var(--lu-color-border);
    background: var(--lu-color-surface-raised);
    color: var(--lu-color-text-muted);
    font-size: var(--lu-text-sm);
    font-weight: var(--lu-font-medium);
    cursor: pointer;
    transition: all var(--lu-duration-base);
  }

  .lu-form-wizard__step--active {
    border-color: var(--lu-color-primary);
    color: var(--lu-color-primary);
    background: color-mix(in srgb, var(--lu-color-primary) 8%, transparent);
  }

  .lu-form-wizard__step--completed {
    border-color: var(--lu-color-primary);
    background: var(--lu-color-primary);
    color: #fff;
  }

  .lu-form-wizard__step-label {
    font-size: var(--lu-text-xs);
    color: var(--lu-color-text-muted);
    white-space: nowrap;
  }

  .lu-form-wizard__step-label--active {
    color: var(--lu-color-primary);
    font-weight: var(--lu-font-medium);
  }

  .lu-form-wizard__step-label--completed {
    color: var(--lu-color-text);
  }

  .lu-form-wizard__body {
    width: 100%;
    min-height: 10rem;
  }

  .lu-form-wizard__error {
    color: var(--lu-color-danger);
    font-size: var(--lu-text-sm);
    padding: var(--lu-space-2) var(--lu-space-3);
    border-radius: var(--lu-radius-2);
    background: var(--lu-color-danger-surface);
  }

  .lu-form-wizard__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--lu-space-4);
    border-top: 1px solid var(--lu-color-border);
  }

  /* ==========================================================================
     LuFileUpload
     ========================================================================== */

  .lu-file-upload {
    display: flex;
    flex-direction: column;
    gap: var(--lu-space-3);
    width: 100%;
  }

  .lu-file-upload__dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--lu-space-2);
    padding: var(--lu-space-8) var(--lu-space-4);
    border: 2px dashed var(--lu-color-border);
    border-radius: var(--lu-radius-card);
    background: var(--lu-color-surface);
    cursor: pointer;
    transition: all var(--lu-duration-base);
    text-align: center;
  }

  .lu-file-upload__dropzone:hover,
  .lu-file-upload__dropzone--active {
    border-color: var(--lu-color-primary);
    background: color-mix(in srgb, var(--lu-color-primary) 4%, var(--lu-color-surface));
  }

  .lu-file-upload__input {
    position: absolute;
    inset: 0;
    width: 0;
    height: 0;
    opacity: 0;
    pointer-events: none;
  }

  .lu-file-upload__icon {
    color: var(--lu-color-text-muted);
    opacity: 0.6;
  }

  .lu-file-upload__list {
    display: flex;
    flex-direction: column;
    gap: var(--lu-space-2);
  }

  .lu-file-upload__item {
    display: flex;
    align-items: center;
    gap: var(--lu-space-2);
    padding: var(--lu-space-2) var(--lu-space-3);
    border: 1px solid var(--lu-color-border);
    border-radius: var(--lu-radius-3);
    background: var(--lu-color-surface-raised);
    font-size: var(--lu-text-sm);
  }

  .lu-file-upload__item-icon {
    flex-shrink: 0;
    color: var(--lu-color-text-muted);
  }

  .lu-file-upload__item-name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--lu-color-text);
  }

  .lu-file-upload__item-size {
    flex-shrink: 0;
    color: var(--lu-color-text-muted);
    font-size: var(--lu-text-xs);
  }

  .lu-file-upload__item-remove {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    border-radius: var(--lu-radius-2);
    border: none;
    background: transparent;
    color: var(--lu-color-text-muted);
    cursor: pointer;
    transition: background var(--lu-duration-fast);
  }

  .lu-file-upload__item-remove:hover {
    background: var(--lu-color-surface-hover);
    color: var(--lu-color-danger);
  }
}