/* Text Diff Checker — self-contained styles.
   Scoped under .td-* so it never leaks into other tools. */

.td-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 1.25rem 0 0.5rem;
}

.td-view-toggle {
  display: inline-flex;
  gap: 0.25rem;
}

.td-toolbar-spacer {
  flex: 1 1 auto;
}

.td-danger {
  color: #ff6b6b;
}

.td-status {
  min-height: 1.4em;
  margin: 0.25rem 0 0.5rem;
  font-size: 0.85rem;
  color: var(--muted, #9aa3b2);
}

.td-status.is-error {
  color: #ff8080;
}

.td-summary {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent2, #ff6bb5);
  min-height: 1.2em;
}

.td-workside {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 720px) {
  .td-workside {
    grid-template-columns: 1fr;
  }
}

.td-pane {
  background: var(--surface, #121417);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.td-pane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.5rem 0.9rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}

.td-pane-title {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted, #9aa3b2);
}

.td-pane-meta {
  font-size: 0.75rem;
  color: var(--muted, #9aa3b2);
  opacity: 0.8;
}

.td-input {
  width: 100%;
  height: 280px;
  resize: vertical;
  background: transparent;
  color: inherit;
  border: none;
  outline: none;
  padding: 0.9rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.55;
  tab-size: 2;
}

/* ---------- Diff output ---------- */

.td-diff-wrap {
  margin-top: 1rem;
  background: var(--surface, #121417);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  overflow: hidden;
}

.td-diff-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.5rem 0.9rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}

.td-legend {
  display: inline-flex;
  gap: 0.75rem;
  font-size: 0.72rem;
  color: var(--muted, #9aa3b2);
}

.td-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.td-legend-item::before {
  content: "";
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 3px;
  display: inline-block;
}

.td-legend-add::before {
  background: rgba(134, 239, 172, 0.35);
}

.td-legend-del::before {
  background: rgba(255, 128, 128, 0.35);
}

.td-legend-ctx::before {
  background: rgba(255, 255, 255, 0.1);
}

.td-diff {
  max-height: 480px;
  overflow: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
  line-height: 1.5;
}

/* Side-by-side table */
.td-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.td-table td {
  vertical-align: top;
  padding: 0 0.6rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.td-ln {
  width: 2.4rem;
  text-align: right;
  color: var(--muted, #9aa3b2);
  opacity: 0.6;
  user-select: none;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.72rem;
}

.td-cell {
  width: calc(50% - 2.4rem);
}

.td-table tr.td-ctx td {
  background: transparent;
}

.td-table tr.td-del td {
  background: rgba(255, 128, 128, 0.12);
}

.td-table tr.td-del td.td-cell:last-child {
  background: transparent;
}

.td-table tr.td-add td {
  background: rgba(134, 239, 172, 0.12);
}

.td-table tr.td-add td:nth-child(2) {
  background: transparent;
}

.td-table tr.td-chg td:nth-child(1),
.td-table tr.td-chg td:nth-child(2) {
  background: rgba(255, 128, 128, 0.12);
}

.td-table tr.td-chg td:nth-child(3),
.td-table tr.td-chg td:nth-child(4) {
  background: rgba(134, 239, 172, 0.12);
}

/* Inline (unified) view */
.td-inline {
  padding: 0.25rem 0;
}

.td-inline > div {
  display: flex;
  align-items: flex-start;
  padding: 0 0.6rem;
}

.td-mark {
  width: 1.4rem;
  flex: 0 0 auto;
  text-align: center;
  user-select: none;
  color: var(--muted, #9aa3b2);
}

.td-inline .td-ctx {
  background: transparent;
}

.td-inline .td-del {
  background: rgba(255, 128, 128, 0.12);
}

.td-inline .td-del .td-mark {
  color: #ff8080;
}

.td-inline .td-add {
  background: rgba(134, 239, 172, 0.12);
}

.td-inline .td-add .td-mark {
  color: #86efac;
}

.td-inline .td-cell {
  white-space: pre-wrap;
  word-break: break-word;
}

.td-too-large {
  padding: 1rem;
  color: #ff8080;
  font-family: inherit;
}