/*
 * compare_editor.css - Split-view compare mode for the workspace.
 */

.comparison-grid.compare-active {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: minmax(0, 1fr);
}

.comparison-grid.compare-active .preview-card.reference-strip {
  grid-template-rows: 64px minmax(430px, calc(100vh - 260px));
  opacity: 1;
}

.comparison-grid.compare-active .reference-toolbar {
  padding: 12px 14px;
  background: var(--soft);
  border-bottom: 1px solid var(--line);
}

.comparison-grid.compare-active .reference-toolbar strong {
  font-size: 0.98rem;
  color: var(--cream);
}

.comparison-grid.compare-active .preview-frame.reference-frame {
  padding: 18px;
  gap: 18px;
}

.comparison-grid.compare-active .preview-frame.reference-frame .page-preview,
.comparison-grid.compare-active .preview-frame.reference-frame .pdf-object,
.comparison-grid.compare-active .preview-frame.reference-frame iframe {
  max-height: none;
  width: auto;
}

.cmp-toolbar-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
}

.cmp-summary {
  font-size: 0.78rem;
  color: var(--cream-75, rgba(250, 245, 235, 0.75));
  max-width: 320px;
  text-align: right;
}

.cmp-status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--soft);
  border: 1px solid var(--border);
  color: var(--cream);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.cmp-status-pill[data-kind="busy"] {
  background: color-mix(in srgb, var(--accent, #d4b254) 18%, transparent);
  color: var(--accent, #d4b254);
}

.cmp-status-pill[data-kind="ready"] {
  background: color-mix(in srgb, var(--green, #6aae7f) 18%, transparent);
  color: var(--green, #6aae7f);
}

.cmp-status-pill[data-kind="error"] {
  background: color-mix(in srgb, var(--red, #d4685a) 18%, transparent);
  color: var(--red, #d4685a);
}

.cmp-pick-btn,
.cmp-clear-btn {
  border: 1px solid var(--border);
  background: var(--card, #1a1b1e);
  color: var(--cream, #faf5eb);
  min-height: 34px;
  padding: 0 12px;
  border-radius: 8px;
  font-size: 0.82rem;
  cursor: pointer;
}

.cmp-pick-btn:hover,
.cmp-clear-btn:hover {
  background: var(--soft);
}

.cmp-compare-input {
  display: none;
}

.cmp-upload-panel {
  width: min(100%, 520px);
  min-height: 240px;
  margin: auto;
  border: 2px dashed var(--accent, #d4b254);
  border-radius: 18px;
  background: color-mix(in srgb, var(--card, #1a1b1e) 88%, transparent);
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 14px;
  text-align: left;
  box-sizing: border-box;
  transition: border-color 120ms ease, transform 120ms ease, background 120ms ease;
}

.cmp-upload-panel.cmp-upload-panel-active {
  transform: scale(1.01);
  background: color-mix(in srgb, var(--accent, #d4b254) 8%, var(--card, #1a1b1e));
}

.cmp-upload-panel strong {
  font-size: 1.15rem;
  color: var(--cream, #faf5eb);
}

.cmp-upload-panel span {
  color: var(--cream-75, rgba(250, 245, 235, 0.75));
  line-height: 1.5;
}

.cmp-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.cmp-legend-item {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.cmp-legend-delete {
  border-color: #c85a5a;
  color: #f0b6b6;
  background: rgba(200, 90, 90, 0.12);
}

.cmp-legend-insert {
  border-color: #4e9a69;
  color: #bfe3cb;
  background: rgba(78, 154, 105, 0.12);
}

.cmp-legend-modify {
  border-color: #d4b254;
  color: #ead58d;
  background: rgba(212, 178, 84, 0.12);
}

.cmp-locked .model-word {
  pointer-events: none;
  caret-color: transparent;
}

.cmp-locked .model-word::selection {
  background: transparent;
}

.cmp-diff-rect {
  position: absolute;
  pointer-events: auto;
  border-radius: 4px;
  border: 2px solid transparent;
  background: transparent;
  box-sizing: border-box;
  z-index: 70;
  transition: background 80ms ease, box-shadow 80ms ease, transform 80ms ease;
}

.cmp-diff-rect:hover,
.cmp-diff-rect:focus {
  outline: none;
  transform: scale(1.01);
}

.cmp-diff-insert {
  border-color: #4e9a69;
  background: rgba(78, 154, 105, 0.12);
}

.cmp-diff-delete {
  border-color: #c85a5a;
  background: rgba(200, 90, 90, 0.12);
}

.cmp-diff-modify {
  border-color: #d4b254;
  background: rgba(212, 178, 84, 0.12);
}

.cmp-diff-tooltip {
  position: absolute;
  z-index: 9999;
  max-width: 420px;
  padding: 8px 12px;
  border-radius: 8px;
  background: #12192a;
  color: #fff;
  font-size: 13px;
  line-height: 1.4;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  pointer-events: none;
}

.cmp-diff-tooltip[hidden] {
  display: none;
}

.cmp-tt-label {
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cmp-tt-insert { background: #4e9a69; color: #fff; }
.cmp-tt-delete { background: #c85a5a; color: #fff; }
.cmp-tt-modify { background: #d4b254; color: #1a1b1e; }
.cmp-tt-old { text-decoration: line-through; opacity: 0.85; }
.cmp-tt-new { font-weight: 600; }
.cmp-tt-arrow { opacity: 0.6; }

@media (max-width: 1100px) {
  .comparison-grid.compare-active {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 1fr) minmax(0, 1fr);
  }

  .cmp-summary {
    max-width: none;
    text-align: left;
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cmp-upload-panel,
  .cmp-diff-rect {
    transition: none;
  }
}