.date-diff-tool .date-diff-layout {
  align-items: flex-start;
  row-gap: 16px;
}
.date-diff-panel {
  min-width: 0;
  margin-bottom: 16px;
  background: #fff;
}
.date-diff-results-panel {
  height: 100%;
}
.date-diff-panel-header {
  gap: 12px;
}
.date-diff-panel-header > span:first-child {
  flex: 1;
  min-width: 0;
}
.date-diff-panel-header i {
  margin-right: 6px;
}
.date-diff-panel-status {
  flex: 0 1 auto;
  min-width: 0;
  color: var(--text-3);
  font-size: 12.5px;
  font-weight: 500;
  text-align: right;
}
.date-diff-input-body,
.date-diff-results-body {
  gap: 14px;
  background: #fff;
}
.date-diff-field,
.date-diff-check {
  min-width: 0;
  margin: 0;
  color: var(--text-2);
  font-size: 13.5px;
  font-weight: 600;
}
.date-diff-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.date-diff-field .form-control {
  width: 100%;
  min-width: 0;
}
.date-diff-field-grid,
.date-shift-grid {
  display: grid;
  gap: 12px;
}
.date-diff-field-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.date-shift-grid {
  grid-template-columns: minmax(0, .9fr) minmax(92px, .7fr) minmax(0, 1fr);
}
.date-diff-preset-row,
.date-diff-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.date-diff-preset-row .btn,
.date-diff-action-row .btn {
  justify-content: center;
}
.date-diff-action-row .btn-primary {
  min-width: 128px;
}
.date-diff-action-row .btn-copy {
  min-width: 132px;
}
.date-diff-preset-row .btn i,
.date-diff-action-row .btn i {
  margin-right: 6px;
}
.date-diff-message {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid #fecaca;
  border-radius: var(--radius);
  background: var(--danger-soft);
  color: var(--danger);
  font-size: 13.5px;
  line-height: 1.45;
}
.date-diff-primary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.date-diff-result-card {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
  min-height: 106px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-soft);
}
.date-diff-result-card-primary {
  border-color: rgba(37, 99, 235, .28);
  background: var(--primary-soft);
}
.date-diff-result-card span,
.date-diff-result-card small,
.date-diff-fact span,
.date-diff-detail-list span,
.date-diff-result-strip span,
.date-diff-result-strip small {
  color: var(--text-3);
  font-size: 12.5px;
  line-height: 1.35;
}
.date-diff-result-card strong {
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 22px;
  line-height: 1.25;
}
.date-diff-result-card-primary strong {
  color: var(--primary);
}
.date-diff-facts-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.date-diff-fact {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
}
.date-diff-fact strong {
  overflow: hidden;
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.date-diff-detail-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-soft);
}
.date-diff-detail-list > div {
  min-width: 0;
}
.date-diff-detail-list strong {
  display: block;
  min-width: 0;
  margin-top: 3px;
  color: var(--text);
  font-size: 14px;
  line-height: 1.4;
  overflow-wrap: anywhere;
}
.date-diff-result-strip {
  display: grid;
  grid-template-columns: minmax(92px, auto) minmax(0, 1fr);
  gap: 3px 12px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--primary-soft);
}
.date-diff-result-strip strong {
  min-width: 0;
  color: var(--primary);
  font-size: 20px;
  line-height: 1.3;
  overflow-wrap: anywhere;
}
.date-diff-result-strip small {
  grid-column: 2;
}
.date-diff-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text-3);
  font-size: 13px;
  line-height: 1.45;
}
.date-diff-note i {
  margin-top: 1px;
  color: var(--success);
}
:root[data-theme="dark"] .date-diff-panel,
:root[data-theme="dark"] .date-diff-input-body,
:root[data-theme="dark"] .date-diff-results-body,
:root[data-theme="dark"] .date-diff-fact,
:root[data-theme="dark"] .date-diff-note {
  background: #161b22;
}
:root[data-theme="dark"] .date-diff-message {
  border-color: #7f1d1d;
  background: rgba(127, 29, 29, .18);
}
@media (max-width: 991px) {
  .date-diff-facts-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 640px) {
  .date-diff-panel-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    row-gap: 6px;
  }
  .date-diff-panel-status {
    text-align: left;
  }
  .date-diff-field-grid,
  .date-shift-grid,
  .date-diff-primary-grid,
  .date-diff-facts-grid,
  .date-diff-detail-list,
  .date-diff-preset-row,
  .date-diff-action-row {
    display: grid;
    grid-template-columns: 1fr;
  }
  .date-diff-preset-row .btn,
  .date-diff-action-row .btn {
    width: 100%;
    min-width: 0;
  }
  .date-diff-input-body,
  .date-diff-results-body {
    padding: 14px;
  }
  .date-diff-result-strip {
    grid-template-columns: 1fr;
  }
  .date-diff-result-strip small {
    grid-column: auto;
  }
}