/* Analysis panels: Frequency Analysis, Amplitude Statistics, Phase Meter,
   Match Loudness. */

.analysis-panel {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.analysis-toolbar {
  flex-wrap: wrap;
  gap: 4px;
}

.analysis-toolbar .select {
  max-width: 150px;
}

.analysis-toolbar .btn {
  height: var(--control);
  padding: 0 10px;
}

.analysis-toolbar .btn .icon {
  margin-right: 4px;
}

.analysis-toolbar .spacer {
  flex: 1;
}

.analysis-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 12px;
  min-height: 22px;
  padding: 3px 8px;
  border-top: 1px solid var(--border-soft);
  color: var(--text-dim);
  font-size: var(--fs-sm);
}

.analysis-readout {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  font-variant-numeric: tabular-nums;
  text-overflow: ellipsis;
  white-space: pre;
}

.analysis-caption {
  padding: 4px 8px;
  color: var(--text-dim);
  font-size: var(--fs-sm);
}

.analysis-caption:empty {
  display: none;
}

.analysis-progress {
  height: 3px;
  background: var(--meter-bg);
}

.analysis-progress[hidden] {
  display: none;
}

.analysis-progress-bar {
  width: 0;
  height: 100%;
  background: var(--accent);
}

/* Frequency Analysis */
.freq-plot {
  position: relative;
  flex: 1;
  min-height: 80px;
  outline: none;
  cursor: crosshair;
}

.freq-plot:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
}

.freq-plot canvas,
.phase-scope canvas,
.phase-meter canvas {
  position: absolute;
  inset: 0;
}

.freq-field {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--text-dim);
  white-space: nowrap;
}

.freq-holds {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  row-gap: 6px;
  gap: 2px;
  margin-left: auto;
}

.freq-holds-label {
  margin-right: 3px;
  color: var(--text-dim);
}

/* A numbered slot with its trace color underneath; filled when it holds a trace. */
.freq-hold {
  position: relative;
  width: 20px;
  height: 20px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 2px;
  background: var(--bg-input);
  color: var(--text-dim);
  font-size: var(--fs-xs, 10px);
  font-variant-numeric: tabular-nums;
  cursor: pointer;
}

.freq-hold::after {
  position: absolute;
  right: 1px;
  bottom: -4px;
  left: 1px;
  height: 2px;
  background: var(--hold);
  content: '';
}

.freq-hold:hover {
  color: var(--text-strong);
}

.freq-hold[aria-pressed='true'] {
  border-color: var(--hold);
  background: color-mix(in srgb, var(--hold) 30%, var(--bg-input));
  color: var(--text-strong);
}

.freq-hold:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 1px;
}

.analysis-toolbar .freq-holds + .icon-btn {
  margin-left: 2px;
}

.freq-bottom {
  border-top: 1px solid var(--border-soft);
}

.freq-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 12px;
  padding: 4px 8px;
}

.freq-controls + .freq-controls {
  padding-top: 0;
}

.freq-controls .spacer {
  flex: 1;
}

.freq-controls .select {
  max-width: 150px;
}

.freq-adv-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--text);
  cursor: pointer;
}

.freq-adv-toggle .icon {
  transition: transform 0.12s;
}

.freq-adv-toggle[aria-expanded='true'] .icon {
  transform: rotate(90deg);
}

.freq-advanced {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
}

.freq-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.swatch {
  display: inline-block;
  width: 12px;
  height: 3px;
  border-radius: 1px;
}

.swatch.dashed {
  height: 0;
  border-top: 2px dashed;
}

/* Amplitude Statistics */
.amplitude-general,
.rms-hist-pane {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-height: 0;
}

.amplitude-general .table-scroll {
  flex: 1;
}

.amplitude-actions {
  border-top: 1px solid var(--border-soft);
  border-bottom: 0;
}

.amplitude-actions .btn .icon {
  margin-right: 4px;
}

.rms-hist {
  position: relative;
  flex: 1;
  min-height: 80px;
  outline: none;
}

.rms-hist canvas {
  position: absolute;
  inset: 0;
}

.rms-hist:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
}

.rms-settings {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 10px 12px;
}

.rms-width {
  display: flex;
  align-items: center;
  gap: 6px;
}

.rms-width .input {
  width: 80px;
}

.rms-ref {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
  padding: 0;
  border: 0;
}

.rms-ref legend {
  margin-bottom: 4px;
  padding: 0;
  color: var(--text-dim);
}

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

.stats-table th[scope='row'] {
  color: var(--text-dim);
  font-weight: 400;
}

.data-table .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* Phase Analysis */
.phase-scope {
  position: relative;
  flex: 1;
  min-height: 80px;
}

.phase-value {
  min-width: 42px;
  color: var(--hot);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

/* Phase Meter: horizontal bar, or vertical in a tall narrow frame */
.phase-meter-row {
  display: flex;
  flex: 1;
  align-items: center;
  gap: 6px;
  min-height: 0;
  padding: 6px 8px 4px 2px;
}

.phase-meter {
  position: relative;
  flex: 1;
  min-width: 0;
  height: min(100%, 124px);
  min-height: 28px;
}

.phase-meter-row > .phase-value {
  align-self: center;
}

.phase-meter-panel.vertical .phase-meter-row {
  flex-direction: column;
  padding: 2px 6px 6px;
}

.phase-meter-panel.vertical .phase-meter {
  width: min(100%, 90px);
  height: auto;
  min-height: 0;
}

.phase-meter-panel.vertical .phase-meter-row > .phase-value {
  min-width: 0;
  text-align: center;
}

/* Match Loudness */
.match-export {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 10px;
  padding: 4px 8px;
  border-top: 1px solid var(--border-soft);
}

.match-export-note {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: var(--fs-sm);
}

.match-settings {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  padding: 8px;
  border-bottom: 1px solid var(--border-soft);
}

.match-field {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.match-field > span {
  color: var(--text-dim);
}

.match-table tbody tr {
  outline: none;
}

.match-table tbody tr:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
}

.match-table tbody tr[aria-selected='true'] {
  background: var(--accent-soft);
}

.loudness-live {
  font-variant-numeric: tabular-nums;
}

.loudness-live:empty {
  display: none;
}

@media (pointer: coarse) {
  .analysis-toolbar .btn {
    min-height: 36px;
  }
}

.analysis-panel [hidden] {
  display: none !important;
}