/* weighted-directed-flow-map: tool-specific styles on top of css/dvz-common.css */

:root {
  --dvz-control-select-width: 96px;
}

/* Single-chart template: no #chart-switcher, so pin each row explicitly. */
#dvz-chart {
  grid-template-rows: auto minmax(0, 1fr) auto auto !important;
}
#dvz-chart > #chart-title { grid-row: 1; }
#dvz-chart > #chart-area { grid-row: 2; }
#dvz-chart > #dvz-controls { grid-row: 3; }
#dvz-chart > #chart-source { grid-row: 4; }

#dvz-controls[hidden] {
  display: none;
}

#dvz-controls .dvz-control[hidden] {
  display: none;
}

.dvz-control-btn {
  height: 30px;
  min-width: 30px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  background: #fff;
  padding: 0 10px;
  color: #374151;
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
}

.dvz-control-btn--icon {
  padding: 0;
  font-size: 15px;
}

.dvz-control-btn:hover {
  background: #f9fafb;
}

.dvz-control-select:disabled {
  opacity: 0.5;
}

#chart-container {
  cursor: grab;
}

#chart-container:active {
  cursor: grabbing;
}

#chart-container svg.wdfm-svg {
  display: block;
  width: 100%;
  height: 100%;
  user-select: none;
}

.wdfm-node.is-focus {
  stroke: #111827;
  stroke-width: 2px;
}

.dvz-tooltip {
  max-width: 320px;
  white-space: normal;
}

.dvz-tooltip-muted {
  color: #d1d5db;
  font-size: 0.72rem;
}

/* Sidebar helpers */
.panel-note {
  margin: 8px 0 0;
  color: #6b7280;
  font-size: 12px;
  line-height: 1.5;
}

.panel-note:empty {
  display: none;
}

.range-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.range-row input[type="range"] {
  flex: 1 1 auto;
  accent-color: var(--dvz-accent);
}

.range-row output {
  min-width: 36px;
  color: #4b5563;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.inline-row {
  display: flex;
  gap: 8px;
}

.inline-row select {
  flex: 1 1 auto;
}

.inline-row input[type="number"] {
  flex: 0 0 96px;
}

.coord-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
}

.coord-grid .panel-label {
  margin-top: 6px;
}

input[type="color"] {
  width: 48px;
  height: 32px;
  padding: 2px;
  border: 1px solid #cfd6df;
  border-radius: 7px;
  background: #fff;
}

.check-row[hidden],
[data-basemap-only][hidden],
[data-color-mode][hidden],
[data-pair-layout][hidden],
[data-format][hidden] {
  display: none;
}

.match-report {
  color: #374151;
  font-size: 12px;
  line-height: 1.5;
}

.match-summary {
  margin: 0 0 8px;
  font-weight: 600;
}

.match-group-title {
  margin: 10px 0 4px;
  color: #b45309;
  font-weight: 600;
}

.match-list {
  max-height: 180px;
  margin: 0;
  padding-left: 18px;
  overflow-y: auto;
}

.match-list li {
  margin: 2px 0;
}

.match-list select {
  width: auto;
  margin-left: 4px;
  padding: 2px 6px;
  font-size: 12px;
}

.data-preview-empty {
  margin: 0;
  padding: 8px;
  color: #9ca3af;
  font-size: 12px;
}

/* Stacked layout (sidebar under the chart): let the app area scroll so the
   whole sidebar stays reachable; the chart keeps a fixed share of the height. */
@media (max-width: 980px) {
  .dvz-app {
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
  }

  #main-area {
    flex: 0 0 auto;
    min-height: 0;
  }

  #dvz-chart {
    height: min(72vh, 680px);
    min-height: 420px;
  }

  #dvz-sidebar {
    max-height: none;
    min-height: 460px;
  }
}

@media (max-width: 480px) {
  #dvz-chart {
    height: 64vh;
    min-height: 360px;
    padding-inline: 8px;
  }
}

.dvz-control-group {
  gap: 4px;
}

.dvz-control-group .dvz-control-label {
  margin-right: 2px;
}