/* ============================================================
   GeoSV - Difference por capas
   ============================================================ */

.difference-modal .modal-body {
  padding: 0;
}

.difference-tool {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px;
}

.difference-tool-intro {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 11px 12px;
  border: 1px solid rgba(250, 92, 0, 0.22);
  border-radius: 8px;
  background: rgba(250, 92, 0, 0.07);
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.45;
}

.difference-tool-intro i {
  margin-top: 2px;
  color: var(--primary);
}

.difference-source-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 38px minmax(0, 1fr);
  align-items: end;
  gap: 10px;
}

.difference-field {
  min-width: 0;
}

.difference-field label {
  display: block;
  margin-bottom: 6px;
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
}

.difference-field label i {
  width: 14px;
  margin-right: 4px;
  color: var(--text-muted);
  text-align: center;
}

.difference-field select,
.difference-field input {
  width: 100%;
  min-height: 38px;
  padding: 8px 10px;
  border: 1px solid var(--border-color);
  border-radius: 7px;
  outline: none;
  background: var(--bg-dark);
  color: var(--text-primary);
  font: inherit;
  font-size: 12px;
}

.difference-field select:focus,
.difference-field input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(250, 92, 0, 0.12);
}

.difference-source-meta {
  min-height: 17px;
  margin-top: 5px;
  overflow: hidden;
  color: var(--text-muted);
  font-size: 10px;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.difference-equation {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 38px;
  border: 1px solid var(--border-color);
  border-radius: 7px;
  background: var(--bg-darker);
  color: var(--primary);
  font-size: 16px;
  font-weight: 700;
}

.difference-result-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 10px;
}

.difference-refresh-btn {
  height: 38px;
  min-width: 38px;
  padding: 0 11px;
}

.difference-tool-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 9px 10px;
  border: 1px solid rgba(255, 193, 7, 0.22);
  border-radius: 7px;
  background: rgba(255, 193, 7, 0.06);
  color: var(--text-muted);
  font-size: 10px;
  line-height: 1.45;
}

.difference-tool-note i {
  margin-top: 1px;
  color: #f4b400;
}

.difference-warning-summary {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.difference-warning-card,
.difference-report-card {
  padding: 11px 12px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-dark);
}

.difference-warning-card strong,
.difference-report-card strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text-primary);
  font-size: 12px;
}

.difference-warning-card span,
.difference-report-card span {
  color: var(--text-muted);
  font-size: 11px;
  line-height: 1.4;
}

.difference-report-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

.difference-report-stat {
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 7px;
  background: var(--bg-darker);
}

.difference-report-stat b {
  display: block;
  color: var(--text-primary);
  font-size: 17px;
  line-height: 1.1;
}

.difference-report-stat small {
  color: var(--text-muted);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.difference-error-list {
  max-height: 220px;
  margin: 8px 0 0;
  padding: 0;
  overflow-y: auto;
  list-style: none;
}

.difference-error-list li {
  padding: 7px 8px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 10px;
  line-height: 1.4;
}

.difference-error-list li:last-child {
  border-bottom: 0;
}

.difference-error-list code {
  color: #ffb47d;
  font-family: inherit;
  font-size: 10px;
}

@media (max-width: 760px) {
  .difference-source-grid {
    grid-template-columns: 1fr;
  }

  .difference-equation {
    width: 38px;
    margin: -2px auto;
  }

  .difference-result-row,
  .difference-report-grid {
    grid-template-columns: 1fr;
  }
}