.symbol-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  gap: 4px;
  padding: 6px 8px;
  background-color: #282a36;
  border-top: 1px solid #44475a;
  font-family: 'Fira Code', monospace;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: #44475a #282a36;
  min-height: 44px;
  flex-shrink: 0;
  box-sizing: border-box;
  z-index: 10000;
  /* Nonaktifkan highlight saat tap */
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

/* Gaya tombol */
.sym-btn {
  user-select: none;
  background: none;
  border: 1px solid #44475a;
  color: #f8f8f2;
  min-width: 36px;
  height: 36px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s;
  flex-shrink: 0;
  /* Penting: cegah highlight biru di Android/iOS */
  -webkit-tap-highlight-color: transparent;
  outline: none;
}

.sym-btn:hover,
.sym-btn:focus {
  background-color: #44475a;
  outline: none;
}

/* Tombol spesial (Enter/Backspace) bisa dibedakan warna jika mau */
.sym-btn.special {
  background-color: #44475a;
  border-color: #6272a4;
}