/* Full-sync compare preview layout. Settings brand tones come from the shared
   depth rules in styles.css (Brand colours in docs/frontend.md); this sheet
   only handles structure, borders and spacing. */

.tracker-full-sync-preview {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-2);
  padding: var(--space-3);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  min-width: 0;
}

.tracker-preview-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.tracker-preview-summary-wide {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (min-width: 761px) {
  .tracker-preview-summary-wide {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.tracker-preview-metric {
  display: grid;
  gap: 2px;
  min-width: 0;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.tracker-preview-summary strong {
  font-size: 1.05rem;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

.tracker-preview-summary span,
.tracker-preview-note,
.tracker-preview-footer > span,
.tracker-preview-group-toggle small,
.tracker-preview-item small {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.35;
}

.tracker-preview-note {
  margin: 0;
}

.tracker-preview-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
}

.tracker-preview-direction,
.tracker-preview-select-all {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--soft);
  font-size: 0.85rem;
}

.tracker-preview-direction select {
  min-width: 11rem;
}

.tracker-preview-groups {
  display: grid;
  gap: var(--space-2);
  max-height: min(28rem, 55vh);
  overflow: auto;
  padding-right: 2px;
  align-content: start;
  grid-auto-rows: max-content;
}

.tracker-preview-group {
  min-width: 0;
  min-height: min-content;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.tracker-preview-group-toggle {
  display: grid;
  grid-template-columns: 1.1rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  width: 100%;
  margin: 0;
  padding: 10px 12px;
  border: 0;
  border-radius: inherit;
  background: transparent;
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.tracker-preview-group-toggle:hover,
.tracker-preview-group-toggle:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 1px var(--blue);
}

.tracker-preview-group-toggle > span:nth-child(2) {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 600;
  font-size: 0.88rem;
}

.tracker-preview-chevron {
  display: inline-flex;
  justify-content: center;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1;
  transition: transform 0.15s ease;
}

.tracker-preview-group-toggle[aria-expanded="true"] .tracker-preview-chevron {
  transform: rotate(90deg);
}

.tracker-preview-items {
  display: grid;
  gap: var(--space-1);
  margin: 0;
  padding: 0 10px 10px;
}

.tracker-preview-items.hidden {
  display: none;
}

.tracker-preview-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 8px;
  align-items: start;
  margin: 0;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--soft);
  font-size: 0.84rem;
  cursor: pointer;
}

.tracker-preview-item input {
  margin-top: 3px;
}

.tracker-preview-item span:nth-child(2) {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.tracker-preview-item b {
  overflow-wrap: anywhere;
  color: var(--text);
  font-weight: 600;
}

.tracker-preview-operation {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  text-align: right;
  max-width: 9.5rem;
}

.tracker-preview-item:has(input:not(:disabled):checked) .tracker-preview-operation {
  color: var(--accent);
}

.tracker-preview-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

@media (max-width: 760px) {
  .tracker-full-sync-preview {
    padding: var(--space-2);
  }

  .tracker-preview-summary,
  .tracker-preview-summary.tracker-preview-summary-wide {
    grid-template-columns: 1fr;
  }

  .tracker-preview-groups {
    max-height: min(22rem, 50vh);
  }

  .tracker-preview-group-toggle {
    grid-template-columns: 1rem minmax(0, 1fr);
  }

  .tracker-preview-group-toggle small {
    grid-column: 2;
  }

  .tracker-preview-item {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .tracker-preview-operation {
    grid-column: 2;
    text-align: left;
    max-width: none;
  }

  .tracker-preview-footer {
    flex-direction: column;
    align-items: stretch;
  }
}

/* The long date-preference label must not squeeze the switch on mobile. */
.settings-pane .checkbox-label input[data-tracker-date] {
  flex: 0 0 auto;
}