/* dashboard.css — Phase 2B: Visualizer pane layout */

.visualizer-pane {
  display: flex;
  flex-direction: column;
  background: var(--crt-bg);
  overflow: hidden;
}

/* ── Signal Flow Strip (top bar) ── */

.signal-flow-strip {
  padding: var(--space-1) var(--space-2);
  border-bottom: var(--border-thin);
  background: var(--crt-bg-inset);
  font-size: var(--font-size-xs);
  color: var(--crt-amber-dim);
  font-family: var(--font-terminal);
  white-space: nowrap;
  overflow: hidden;
  flex-shrink: 0;
  min-height: 24px;
  display: flex;
  align-items: center;
}

/* ── Main Display Row (4-column grid) ── */

.main-display-row {
  display: grid;
  grid-template-columns: 140px 1fr 140px 48px;
  gap: var(--space-1);
  flex: 1;
  min-height: 0;
  padding: var(--space-1);
}

.vu-meter-column {
  border: var(--border-thin);
  padding: var(--space-2);
  background: var(--crt-bg-inset);
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
}

.pixel-canvas-column {
  position: relative;
  overflow: hidden;
  border: var(--border-thin);
  background: var(--crt-bg);
}

.lissajous-column {
  border: var(--border-thin);
  padding: var(--space-2);
  background: var(--crt-bg-inset);
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
}

.led-bar-column {
  border: var(--border-thin);
  padding: var(--space-1);
  background: var(--crt-bg-inset);
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
}

/* ── Info Strip (bottom bar) ── */

.info-strip {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-2);
  border-top: var(--border-thin);
  background: var(--crt-bg-inset);
  min-height: 56px;
  flex-shrink: 0;
}

.info-panel {
  flex: 1;
  border: var(--border-thin);
  padding: var(--space-1) var(--space-2);
  font-family: var(--font-terminal);
  overflow: hidden;
}

.info-panel.note-display {
  flex: 0 0 120px;
}

.info-panel.status-leds {
  flex: 1;
}

.info-panel.elapsed-time {
  flex: 0 0 100px;
  text-align: center;
}

.info-panel.session-uptime {
  flex: 0 0 100px;
  text-align: center;
}

/* ── Responsive: hide lissajous below 1200px ── */

@media (max-width: 1200px) {
  .main-display-row {
    grid-template-columns: 140px 1fr 48px;
  }

  .lissajous-column {
    display: none;
  }
}

/* ── Responsive: stack layout below 768px ── */

@media (max-width: 768px) {
  .main-display-row {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto auto;
  }

  .vu-meter-column,
  .led-bar-column {
    display: none;
  }

  .info-strip {
    flex-wrap: wrap;
  }

  .info-panel.note-display,
  .info-panel.elapsed-time,
  .info-panel.session-uptime {
    flex: 1 0 80px;
  }
}