.gtools, .gkeys { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 6px; }
  .gtools button, .gkeys button {
    border: 0; border-radius: 8px; background: #2c343c; color: white;
    min-width: 52px; min-height: 36px; font-weight: 700; cursor: pointer;
  }
  .readout { font-family: ui-monospace, monospace; margin: 0 8px 8px; min-height: 20px; }
  .note { font-size: 12px; color: #3e4c3a; margin: 0 8px 6px; }