.gain-section {
  container-type: size;

  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;

  height: var(--dsp-control-heigth);

  display: flex;
  align-items: flex-end;
  justify-content: center;

  box-sizing: border-box;

  background: var(--bg-panel);

  z-index: 20;

  border-top: var(--border-width) solid var(--border-hairline);
  user-select: none;
  -webkit-user-select: none;
}

.gain-panels {
  display: grid;
  grid-auto-flow: column;
  height: 100%;
  gap: var(--space-2);
  overflow-x: auto;
}

.gain-panel {
  position: relative;
  height: 100%;
  aspect-ratio: 1 / 4;
  flex: 0 0 auto;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;

  border: var(--border-width) solid var(--border-hairline);
  border-radius: var(--radius-md);
  box-sizing: border-box;
  gap: 2cqh;
  background: var(--bg-void);
  padding-bottom: 2cqh;
}

.gain-panel__title {
  flex: 0 0 auto;
  width: 100%;
  text-align: center;
  font-family: var(--font-ui);
  font-size: 4cqh;
  font-weight: var(--font-weight-semibold);
  padding-top: 2cqh;
  padding-bottom: 2cqh;
  border-bottom: var(--border-width) solid var(--border-hairline);

  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gain-linear-graph-section {
  flex: 0 0 calc(100% - var(--dsp-control-heigth));
  min-height: 0;

  display: flex;
  flex-direction: row;
  gap: 1cqh;
  padding: 0.5cqh;

  box-sizing: border-box;
  background: var(--bg-panel);

  user-select: none;
  -webkit-user-select: none;
}

.gain-graph-panel {
  flex: 1;
  min-width: 0;
  min-height: 0;

  display: flex;
  flex-direction: column;

  border: var(--border-width) solid var(--border-hairline);
  border-radius: var(--radius-md);
}

.gain-graph-title {
  flex: 0 0 auto;

  text-align: center;
  padding: 1cqh;

  font-family: var(--font-ui);
  font-size: 2.5cqh;
  font-weight: var(--font-weight-semibold);
}

.gain-graph-panel > .container {
  flex: 1;
  min-height: 0;
}

.gain-graph-title-row {
  flex: 0 0 auto;

  display: flex;
  flex-direction: column;
  align-items: stretch;

  gap: 0.75cqh;
  padding: 1cqh 1.5cqh;

  min-width: 0;
  overflow: hidden;
}

/* First row: title left, Show stages right */
.gain-graph-title-line {
  display: flex;
  align-items: center;
  justify-content: space-between;

  width: 100%;
  min-width: 0;
  gap: 1cqh;
}

.gain-graph-title-line .gain-graph-title {
  flex: 1 1 auto;
  min-width: 0;

  padding: 0;

  text-align: left;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Compact button on the right */
.gain-stages-toggle {
  flex: 0 0 auto;

  width: auto !important;
  min-width: max-content;

  padding: 0.4cqh 1cqh;
  font-size: 1.8cqh;
  line-height: 1.2;

  white-space: nowrap;
}

/* Channel Selector */
.magnitude-selector {
  width: 100%;
  min-width: 0;

  display: flex;
  align-items: center;
  flex-wrap: nowrap;

  gap: 0.5cqh;

  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}

.magnitude-selector__chip {
  flex: 0 1 auto;
  min-width: 0;

  display: flex;
  align-items: center;

  gap: 0.6cqh;

  font-family: var(--font-ui);
  font-size: 1.8cqh;

  padding: 0.4cqh 1cqh;

  background: var(--bg-void);
  color: var(--text-muted);

  border: var(--border-width) solid var(--border-hairline);
  border-radius: var(--radius-sm);

  cursor: pointer;
  opacity: 0.5;

  white-space: nowrap;
  overflow: hidden;
}

.magnitude-selector__chip.active {
  opacity: 1;
  color: var(--text-primary);
  border-color: var(--chip-color);
}

.magnitude-selector__swatch {
  width: 1.2cqh;
  height: 1.2cqh;

  border-radius: 50%;
  background: var(--chip-color);

  flex: 0 0 auto;
}

.magnitude-selector__label {
  min-width: 0;

  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}