EMA 5-8 Crossover Indicator

//version=5
indicator("EMA 5-8 Crossover Indicator", shorttitle="EMA Cross", overlay=false)

// EMA calculations
ema5 = ta.ema(close, 5)
ema8 = ta.ema(close, 8)

// Crossover signals
bullishCross = ta.crossover(ema5, ema8) // EMA5 crosses above EMA8 (BUY)
bearishCross = ta.crossunder(ema5, ema8) // EMA5 crosses below EMA8 (SELL)

// Trend state (for continuous background)
var int trend = 0
if bullishCross
trend := 1
else if bearishCross
trend := -1

// EMA lines (in lower pane)
plot(ema5, title="EMA 5", color=color.new(color.blue, 0), linewidth=2)
plot(ema8, title="EMA 8", color=color.new(color.orange, 0), linewidth=2)

// Continuous background colors
bgcolor(trend == 1 ? color.new(color.green, 85) : trend == -1 ? color.new(color.red, 85) : na, title="Trend Background")

// Alert conditions
alertcondition(bullishCross, title="BUY Signal", message="EMA 5 crossed above EMA 8 - BUY!")
alertcondition(bearishCross, title="SELL Signal", message="EMA 5 crossed below EMA 8 - SELL!")