indicator("Range Navigator", overlay=false)

fast = ta.ema(close, 12)
slow = ta.ema(close, 34)
signal = ta.rsi(close, 14)

trend = fast > slow ? color.lime : color.red

plot(fast, "Fast EMA", color=trend, linewidth=2)
plot(slow, "Slow EMA", color=color.gray, linewidth=2)
fill(plot(fast, "fast", color=trend), plot(slow, "slow", color=color.gray), color=color.new(trend, 85))

hline(70, "Overbought", color=color.red, linestyle="dashed")
hline(30, "Oversold", color=color.green, linestyle="dashed")