textarea {
  width: 100%;
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-medium);
  background: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  font: inherit;
  font-size: 0.9375rem;
  padding: 14px 16px;
  resize: vertical;
  min-height: 220px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

textarea:focus {
  border-color: var(--md-sys-color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--md-sys-color-primary) 22%, transparent);
}

.compare-inputs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.compare-input-group .tool-card__desc {
  margin-bottom: 0;
  margin-top: 10px;
}

.result-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.result-summary__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: var(--md-sys-shape-corner-medium);
  background: var(--md-sys-color-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
  font-size: 0.875rem;
  color: var(--md-sys-color-on-surface);
}

.result-summary__count {
  font-weight: 700;
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.diff-pane {
  min-width: 0;
}

.diff-pane__title {
  margin: 0 0 10px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--md-sys-color-on-surface);
}

.diff-list {
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-medium);
  background: var(--md-sys-color-surface);
  overflow: hidden;
}

.diff-line {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 0;
  border-top: 1px solid var(--md-sys-color-outline-variant);
  min-height: 44px;
}

.diff-line:first-child {
  border-top: none;
}

.diff-line__number {
  padding: 10px 12px;
  text-align: right;
  font-size: 0.8125rem;
  color: var(--diff-line-number);
  background: rgba(0, 0, 0, 0.02);
  border-right: 1px solid var(--md-sys-color-outline-variant);
  user-select: none;
}

.diff-line__content {
  margin: 0;
  padding: 10px 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.875rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.diff-line--same {
  background: var(--diff-same-bg);
}

.diff-line--added {
  background: var(--diff-added-bg);
}

.diff-line--added .diff-line__number {
  border-left: 4px solid var(--diff-added-border);
  padding-left: 8px;
}

.diff-line--removed {
  background: var(--diff-removed-bg);
}

.diff-line--removed .diff-line__number {
  border-left: 4px solid var(--diff-removed-border);
  padding-left: 8px;
}

.diff-line--empty .diff-line__content {
  color: var(--md-sys-color-on-surface-variant);
  font-style: italic;
}

@media (max-width: 800px) {
  .compare-inputs,
  .compare-grid {
    grid-template-columns: 1fr;
  }}

@media (max-width: 600px) {
  .diff-line {
    grid-template-columns: 48px 1fr;
  }

  .diff-line__number {
    padding: 10px 8px;
  }}