.cybertool-rng {
  --neon-cyan: #00f3ff;
  --cyber-purple: #7028e4;
  --matrix-green: #00ff9d;
  --cyber-black: #0a0a12;
  --hologram-gradient: linear-gradient(45deg, var(--cyber-purple), var(--neon-cyan));

  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem;
  background: radial-gradient(circle at top, #101020, var(--cyber-black));
  border-radius: 12px;
  overflow: hidden;
  font-family: "Courier New", monospace;
}

.cybertool-rng__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.cybertool-rng__container {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  z-index: 1;
}

.cybertool-rng__panel {
  padding: 1.5rem;
  border-radius: 10px;
  background: rgba(20, 20, 40, 0.6);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 243, 255, 0.25);
  box-shadow: 0 0 18px rgba(0, 243, 255, 0.15);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cybertool-rng__panel:hover {
  box-shadow: 0 0 28px rgba(112, 40, 228, 0.45);
  transform: translateY(-2px);
}

.cybertool-rng__label {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--neon-cyan);
  font-size: 0.9rem;
  letter-spacing: 1px;
}

.cybertool-rng__range {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cybertool-rng__field {
  width: 100%;
  height: 44px;
  background: #05050c;
  border: 1px solid rgba(0, 243, 255, 0.4);
  color: var(--matrix-green);
  text-align: center;
  border-radius: 6px;
}

.cybertool-rng__divider {
  color: var(--neon-cyan);
}

.cybertool-rng__btn {
  margin-top: 1.5rem;
  height: 44px;
  width: 100%;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  background: var(--hologram-gradient);
  color: #fff;
  font-weight: bold;
  letter-spacing: 1px;
  transition: box-shadow 0.3s ease, transform 0.2s ease;
}

.cybertool-rng__btn:hover {
  box-shadow: 0 0 20px rgba(0, 243, 255, 0.6);
  transform: translateY(-1px);
}

.cybertool-rng__output {
  height: 100%;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  font-weight: bold;
  color: var(--matrix-green);
  border: 1px solid rgba(0, 255, 157, 0.4);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.4);
  text-shadow: 0 0 15px rgba(0, 255, 157, 0.6);
}

/* Mobile */
@media (max-width: 600px) {
  .cybertool-rng__container {
    grid-template-columns: 1fr;
  }
}