//@version=6
indicator("RSI Zones", overlay = false)

len = input.int(14, "RSI Length", minval = 2)
r   = ta.rsi(close, len)

plot(r, "RSI", color.purple, 2)
hline(70, "Overbought", color.red)
hline(30, "Oversold", color.teal)
bgcolor(r > 70 ? color.new(color.red, 85) : r < 30 ? color.new(color.teal, 85) : na)