SMC Minimal Setup

//version=5
indicator("SMC Minimal Setup", overlay=true)

// === INPUTS ===
swingLeft = input.int(5, "Swing Left")
swingRight = input.int(5, "Swing Right")
structureLookback = input.int(20, "Structure Lookback")

// === MARKET STRUCTURE ===
var string structure = "neutral"
if high > ta.highest(high[1], structureLookback)
structure := "bullish"
if low < ta.lowest(low[1], structureLookback)
structure := "bearish"

// === SWING LEVELS ===
relevantHigh = ta.pivothigh(high, swingLeft, swingRight)
relevantLow = ta.pivotlow(low, swingLeft, swingRight)

// === LIQUIDITY SWEEPS ===
sweepHigh = not na(relevantHigh) and high > relevantHigh and close < relevantHigh
sweepLow = not na(relevantLow) and low < relevantLow and close > relevantLow

// === DISPLACEMENT CANDLES ===
bodySize = math.abs(close - open)
candleRange = high - low
avgRange = ta.sma(candleRange, 10)
displacementUp = close > open and bodySize > candleRange*0.6 and candleRange > avgRange
displacementDown = open > close and bodySize > candleRange*0.6 and candleRange > avgRange

// === SETUP ===
bullishSetup = sweepLow and displacementUp
bearishSetup = sweepHigh and displacementDown

plotshape(bullishSetup, style=shape.triangleup, location=location.belowbar, color=color.green, size=size.small)
plotshape(bearishSetup, style=shape.triangledown, location=location.abovebar, color=color.red, size=size.small)

// === FVG ===
bullishFVG = low[1] > high[2]
bearishFVG = high[1] < low[2]
if bullishFVG
box.new(left=bar_index-2, right=bar_index, top=low[1], bottom=high[2], bgcolor=color.new(color.green,85))
if bearishFVG
box.new(left=bar_index-2, right=bar_index, top=high[1], bottom=low[2], bgcolor=color.new(color.red,85))

// === BACKGROUND ===
bgcolor(structure=="bullish" ? color.new(color.green,80) : structure=="bearish" ? color.new(color.red,80) : na)