function var ComplexIndicator()
{
    vars Price = series(price());
    vars FastMA = series(SMA(Price, 10));
    vars SlowMA = series(SMA(Price, 30));
    
    // Custom weighted oscillator
    var diff = (FastMA[0] - SlowMA[0]);
    var norm = (abs(FastMA[0]) + abs(SlowMA[0]))/2;
    var rawOsc = diff / (norm + 0.0001); // avoid div by 0
    
    // Non-linear scaling and signal enhancement
    var weight = pow(rawOsc, 3) * sin(4 * rawOsc); // enhanced non-linearity
    var smooth = EMA(series(weight), 14); // smooth the output

    return smooth[0];
}