@max_width: default;
@border_radius: default;
@handle_color: default;
@handle_size: default;
@divider_color: default;
@divider_width: default;
@label_bg: default;
@label_color: default;

// Base layout (single-class rules; safe to nest with one "&").
.zaso-before-after {
  max-width: @max_width;
  margin-left: auto;
  margin-right: auto;

  &__placeholder {
    padding: 1.5em;
    text-align: center;
    background: #f1f5f9;
    border: 1px dashed #cbd5e1;
    border-radius: 8px;
    color: #64748b;
    margin: 0;
  }

  &__container {
    position: relative;
    overflow: hidden;
    border-radius: @border_radius;
    line-height: 0;
    -webkit-user-select: none;
    user-select: none;
    touch-action: none;
  }

  &__img {
    display: block;
    width: 100%;
    height: auto;
  }

  // The clip-path that reveals the "before" image is set inline (server) and
  // updated by JS. A safe default is provided here for the no-JS case.
  &__before-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    clip-path: inset(0 50% 0 0);
  }

  &__label {
    position: absolute;
    z-index: 2;
    background: @label_bg;
    color: @label_color;
    padding: 0.3em 0.7em;
    font-size: 0.8rem;
    line-height: 1.2;
    border-radius: 4px;
    pointer-events: none;
  }

  &__label--before {
    top: 0.75em;
    left: 0.75em;
  }

  &__label--after {
    top: 0.75em;
    right: 0.75em;
  }

  &__handle {
    position: absolute;
    z-index: 3;
    width: @handle_size;
    height: @handle_size;
    margin: 0;
    padding: 0;
    border: 2px solid @handle_color;
    border-radius: 50%;
    background: @handle_color;
    box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.2), 0 2px 6px rgba(15, 23, 42, 0.3);
    transform: translate(-50%, -50%);
    box-sizing: border-box;
  }

  &__handle:focus-visible {
    outline: 3px solid #2563eb;
    outline-offset: 2px;
  }

  // Divider line, drawn from the handle and clipped by the container.
  &__handle::before {
    content: '';
    position: absolute;
    z-index: -1;
    background: @divider_color;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
  }

  &__handle-icon {
    display: block;
    width: 100%;
    height: 100%;
  }
}

// Orientation-specific rules are written FLAT (literal classes, no chained "&")
// so SiteOrigin's per-widget scoping prefixes them exactly once and they match.
// The moving axis (left for horizontal, top for vertical) is set inline by JS.
.zaso-before-after__container--horizontal .zaso-before-after__handle {
  top: 50%;
  cursor: ew-resize;
}

.zaso-before-after__container--vertical .zaso-before-after__handle {
  left: 50%;
  cursor: ns-resize;
}

.zaso-before-after__container--horizontal .zaso-before-after__handle::before {
  width: @divider_width;
  height: 9999px;
}

.zaso-before-after__container--vertical .zaso-before-after__handle::before {
  height: @divider_width;
  width: 9999px;
}

.zaso-before-after__container--vertical .zaso-before-after__label--after {
  top: auto;
  right: auto;
  bottom: 0.75em;
  left: 0.75em;
}

// ── Theme-robustness (1.10.1) ───────────────────────────────────────────────
// Neutralize native/theme <button> chrome on the drag handle (appearance,
// background, border, font). Same @vars, no !important. The divider `::before`
// is intentionally left untouched.
.zaso-before-after button.zaso-before-after__handle {
  -webkit-appearance: none;
  appearance: none;
  background: @handle_color;
  border: 2px solid @handle_color;
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.2), 0 2px 6px rgba(15, 23, 42, 0.3);
  font: inherit;
}