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

/* ROOT WRAPPER */
.cybertool-rng4d {
  position: relative;
  padding: 24px;
  background: var(--cyber-black);
  border-radius: 16px;
  overflow: hidden;
}

/* CANVAS BACKGROUND */
.cybertool-rng4d__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

/* LAYOUT FLEX */
.cybertool-rng4d__container {
  position: relative;
  z-index: 5;
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

/* RESPONSIVE MOBILE */
@media (max-width: 600px) {
  .cybertool-rng4d__container {
    flex-direction: column;
  }
}

/* LEFT PANEL */
.cybertool-rng4d__title {
  font-family: monospace;
  font-size: 22px;
  background: var(--hologram-gradient);
  -webkit-background-clip: text;
  color: transparent;
  margin-bottom: 16px;
}

/* BUTTONS */
.cybertool-rng4d__btn {
  width: 100%;
  padding: 14px;
  font-family: monospace;
  font-size: 16px;
  background: rgba(10, 230, 200, 0.12);
  border: 2px solid var(--neon-cyan);
  color: var(--neon-cyan);
  border-radius: 10px;
  cursor: pointer;
  transition: 0.25s ease;
  margin-bottom: 12px;
}

.cybertool-rng4d__btn:hover {
  box-shadow: 0 0 12px var(--neon-cyan);
  transform: translateY(-2px);
}

/* RIGHT PANEL */
.cybertool-rng4d__output-box {
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid var(--cyber-purple);
  padding: 20px;
  border-radius: 12px;
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.cybertool-rng4d__output {
  font-family: monospace;
  font-size: 36px;
  color: var(--matrix-green);
  letter-spacing: 2px;
}