:host {
  /* Editor frame */
  --border-color: var(--l-color-border);
  --border-width: 1px;
  --border-radius: var(--l-radius-md);
  --background: var(--l-color-surface);
  --color: var(--l-color-text-primary);

  /* Toolbar */
  --toolbar-background: var(--l-color-surface);
  --toolbar-padding: 0.5rem;
  --toolbar-gap: 0.25rem;
  --toolbar-divider-color: var(--l-color-divider);

  /* Toolbar buttons */
  --toolbar-button-size: 2rem;
  --toolbar-button-radius: var(--l-radius-sm);
  --toolbar-button-color: var(--l-color-text-secondary);
  --toolbar-button-color-active: var(--l-color-text-primary);
  --toolbar-button-background-hover: var(--l-color-bg-state-hover);
  --toolbar-button-background-active: var(--l-color-bg-fill-neutral-subtle);

  /* Editable content (rendered in light DOM, styled via luxen-ui/css/prose-editor) */
  --content-padding: 0.75rem 1rem;
  --content-min-height: 8rem;
  --placeholder-color: var(--l-color-text-tertiary);

  display: block;
}

:host([disabled]) {
  opacity: 0.5;
  pointer-events: none;
}

.wrapper {
  display: flex;
  flex-direction: column;
  border-radius: var(--border-radius);
  background-color: var(--background);
  color: var(--color);
}

.toolbar {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--toolbar-gap);
  padding: var(--toolbar-padding);
  border: var(--border-width) solid var(--border-color);
  background-color: var(--toolbar-background);
}

.editor {
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--border-radius);
}

/* Toolbar on top (default): collapse the shared edge between toolbar and editor */
:host(:not([toolbar-placement])) .toolbar,
:host([toolbar-placement='top']) .toolbar {
  border-bottom: 0;
  border-end-start-radius: 0;
  border-end-end-radius: 0;
}

:host(:not([toolbar-placement])) .editor,
:host([toolbar-placement='top']) .editor {
  border-top: 0;
  border-start-start-radius: 0;
  border-start-end-radius: 0;
}

/* Toolbar on bottom */
:host([toolbar-placement='bottom']) .toolbar {
  order: 1;
  border-top: 0;
  border-start-start-radius: 0;
  border-start-end-radius: 0;
}

:host([toolbar-placement='bottom']) .editor {
  border-bottom: 0;
  border-end-start-radius: 0;
  border-end-end-radius: 0;
}

.toolbar-button {
  display: grid;
  place-items: center;
  width: var(--toolbar-button-size);
  height: var(--toolbar-button-size);
  padding: 0;
  border: 0;
  border-radius: var(--toolbar-button-radius);
  background-color: transparent;
  color: var(--toolbar-button-color);
  font-size: calc(var(--toolbar-button-size) * 0.625);
  line-height: 1;
  cursor: pointer;

  @media (hover: hover) {
    &:hover {
      background-color: var(--toolbar-button-background-hover);
      color: var(--toolbar-button-color-active);
    }
  }

  &:focus-visible {
    outline: 2px solid var(--l-focus-ring);
    outline-offset: 1px;
  }

  &.is-active {
    background-color: var(--toolbar-button-background-active);
    color: var(--toolbar-button-color-active);
    box-shadow: inset 0 0 0 1px var(--border-color);
  }

  @media (prefers-reduced-motion: no-preference) {
    transition:
      background-color 0.15s,
      color 0.15s;
  }
}

.divider {
  width: 1px;
  height: calc(var(--toolbar-button-size) * 0.5);
  margin-inline: var(--toolbar-gap);
  background-color: var(--toolbar-divider-color);
}