/* ===== DEBUG OVERLAY ===== */
.debug-overlay {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 9999;
  pointer-events: none;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 11px;
  line-height: 1.5;
  color: #b0b0b0;
  background: rgba(12, 12, 18, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  padding: 10px 14px;
  min-width: 220px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.debug-overlay .debug-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #555;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.debug-overlay .debug-section {
  margin-bottom: 8px;
}

.debug-overlay .debug-section:last-child {
  margin-bottom: 0;
}

.debug-overlay .debug-label {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #555;
  margin-bottom: 2px;
}

.debug-overlay .debug-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.debug-overlay .debug-key {
  color: #666;
}

.debug-overlay .debug-val {
  color: #9fefcc;
  text-align: right;
}

.debug-overlay .debug-val.dim {
  color: #667;
}

/* FPS color coding */
.debug-overlay .fps-good  { color: #5fef8f; }
.debug-overlay .fps-ok    { color: #efd55f; }
.debug-overlay .fps-bad   { color: #ef5f5f; }