/* HTML Editor — self-contained styles (scoped to .he-* classes). */

.he-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 1rem 0 0.5rem;
}

.he-pane-tabs {
  display: inline-flex;
  gap: 0.25rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 0.2rem;
}

.he-pane-tabs .btn {
  padding: 0.25rem 0.8rem;
  font-size: 0.85rem;
  border: none;
  background: transparent;
  color: var(--muted);
}

.he-pane-tabs .btn.is-active {
  background: rgba(124, 58, 237, 0.25);
  color: #fff;
}

.he-toolbar-spacer {
  flex: 1;
}

.he-danger {
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.35);
}

.he-status {
  min-height: 1.2rem;
  margin: 0.2rem 0 0.6rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.he-status.is-error {
  color: #fca5a5;
  font-weight: 600;
}

/* Workspace: editor left, preview right. */
.he-workspace {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  align-items: stretch;
}

.he-editor-pane,
.he-preview-pane {
  min-width: 0;
}

.he-editor-wrap {
  position: relative;
  display: flex;
  background: #0b0c0d;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  overflow: hidden;
  height: 60vh;
  min-height: 420px;
}

.he-line-numbers {
  margin: 0;
  padding: 0.9rem 0.5rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
  line-height: 1.55;
  color: #4b5563;
  text-align: right;
  user-select: none;
  overflow: hidden;
  min-width: 2.4rem;
  background: rgba(255, 255, 255, 0.02);
  border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.he-editor {
  flex: 1;
  width: 100%;
  border: none;
  resize: none;
  background: transparent;
  color: #e6e8ee;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
  line-height: 1.55;
  padding: 0.9rem 1rem;
  tab-size: 2;
}

.he-editor:focus {
  outline: none;
}

.he-editor-wrap:focus-within {
  outline: 2px solid rgba(124, 58, 237, 0.4);
  outline-offset: 1px;
}

.he-preview {
  width: 100%;
  height: 60vh;
  min-height: 420px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  background: #fff;
}

/* Narrow screens: stack editor above preview. */
@media (max-width: 720px) {
  .he-workspace {
    grid-template-columns: 1fr;
  }

  .he-editor-wrap,
  .he-preview {
    height: 45vh;
    min-height: 280px;
  }
}