/* Global button glow — ALL buttons use primary glow */
button {
  position: relative;
  background: linear-gradient(180deg, rgba(34,211,238,0.15), rgba(34,211,238,0.05));
  border: 1px solid rgba(34,211,238,0.35);
  color: rgba(255,255,255,0.95);
  box-shadow:
    0 0 0 1px rgba(34,211,238,0.25),
    0 0 12px rgba(34,211,238,0.35),
    inset 0 0 12px rgba(34,211,238,0.15);
}

button:hover {
  box-shadow:
    0 0 0 1px rgba(34,211,238,0.45),
    0 0 18px rgba(34,211,238,0.55),
    inset 0 0 16px rgba(34,211,238,0.25);
}

button:active {
  box-shadow:
    0 0 0 1px rgba(34,211,238,0.6),
    0 0 10px rgba(34,211,238,0.45),
    inset 0 0 20px rgba(34,211,238,0.35);
}

button:disabled {
  opacity: 0.4;
  box-shadow: none;
}