/* ===== Dev panel ===== */
.dev-toggle {
  position: fixed; bottom: 14px; right: 16px; z-index: 12;
  padding: 6px 12px; font-size: 10px; letter-spacing: 0.3em;
}
.dev-panel {
  position: fixed; top: 60px; right: 16px;
  width: 380px; max-height: calc(100vh - 100px);
  overflow-y: auto;
  z-index: 13;
  background: rgba(0, 14, 4, 0.92);
  border: 1px solid rgba(0, 255, 65, 0.55);
  box-shadow: 0 0 24px rgba(0, 255, 65, 0.18);
  backdrop-filter: blur(6px);
  color: #b8ffc8;
  font-family: 'Courier New', monospace;
  font-size: 13px;
  padding: 12px 14px;
  display: none;
}
.dev-panel.visible { display: block; }
.dev-panel h3 {
  margin: 0 0 4px 0; font-size: 14px; letter-spacing: 0.32em;
  color: #f4fff8; text-shadow: 0 0 6px rgba(0,255,65,0.7);
}
.dev-panel h4 {
  margin: 14px 0 6px 0; font-size: 12px; letter-spacing: 0.28em;
  color: rgba(150, 255, 170, 0.7);
  border-bottom: 1px dashed rgba(0, 255, 65, 0.25);
  padding-bottom: 4px;
}
.dev-row {
  display: grid;
  grid-template-columns: 1fr 1.2fr 60px;
  gap: 8px;
  align-items: center;
  margin: 6px 0;
}
.dev-row label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(190, 255, 210, 0.85);
}
.dev-row input[type=range] {
  width: 100%;
  accent-color: #6cff8a;
}
.dev-row input[type=number] {
  background: rgba(0, 0, 0, 0.6);
  color: #b8ffc8;
  border: 1px solid rgba(0, 255, 65, 0.35);
  padding: 3px 5px;
  font-family: 'Courier New', monospace;
  font-size: 13px;
  width: 100%;
  box-sizing: border-box;
}
.dev-panel button.export {
  width: 100%; margin-top: 8px; padding: 8px;
  font-size: 11px; letter-spacing: 0.3em;
}
.dev-panel textarea.export-out {
  width: 100%; box-sizing: border-box;
  margin-top: 8px;
  height: 200px;
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(0, 255, 65, 0.35);
  color: #b8ffc8;
  font-family: 'Courier New', monospace;
  font-size: 10px;
  padding: 8px;
  resize: vertical;
}