/* ============================================================
   STARG L I D E R
   MacArthur Bridge Instrument Panels
   ------------------------------------------------------------
   - Military console depth
   - Physical bezel effect
   - No fake CSS grid (uPlot native grid only)
   ============================================================ */

.panel-box {
  position: relative;

  background: linear-gradient(180deg,
      #1a222c 0%,
      #131922 100%);

  border: 1px solid #2b3440;

  padding: 16px;

  /* Heavy console depth */
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    inset 0 -1px 0 rgba(0, 0, 0, 0.6),
    0 4px 12px rgba(0, 0, 0, 0.5);

  display: flex;
  flex-direction: column;
}

/* Inner bezel frame */
.panel-box::after {
  content: "";
  position: absolute;
  inset: 6px;

  border: 1px solid rgba(110, 227, 163, 0.15);

  pointer-events: none;
}

/* Panel title */
.panel-title {
  font-size: 11px;
  letter-spacing: 3px;
  color: #6fe3a3;
  margin-bottom: 12px;
  opacity: 0.85;
}

/* ============================================================
     Plot containers (critical for uPlot sizing)
     ============================================================ */

.eigen-bars,
.raw-fft-spectrum,
.reconstructed-spectrum {
  flex: 1;
  min-height: 220px;

  background: #0f151c;

  border: 1px solid #2b3440;
}