{
  "meta": {"name":"NumberSwipe Soft Blocks", "version":"1.0-proposal", "date":"2026-10-21", "status":"Design proposal; not applied to runtime", "unit":"logical design unit; map per platform, not physical pixel"},
  "color": {
    "background":"#F7F5F1", "surface":"#FFFEFC", "surfaceRaised":"#FFFFFF", "surfaceMuted":"#EEEBE6",
    "divider":"#D5D0C9", "cellFace":"#E5E3E1", "cellDepth":"#C5C0CB", "cellBoundary":"#817B88",
    "ink":"#292638", "inkSecondary":"#66616F", "inkTertiary":"#716A78", "onPrimary":"#FFFFFF",
    "primary":"#6558F5", "primaryPressed":"#5245D6", "primaryDepth":"#4B3AC8", "primarySoft":"#EDEAFF", "selectedInk":"#5245D6", "primaryEdgeLight":"#A49BFF",
    "danger":"#C74350", "dangerDepth":"#9E2F3A", "dangerSoft":"#FBEAED", "dangerInk":"#8B2632",
    "hint":"#966000", "hintSoft":"#FFF0D2", "hintInk":"#664400",
    "wallInk":"#3B3547", "wallStripe":"#D7B35B", "focus":"#6558F5", "overlay":"#292638"
  },
  "font": {"numericPreferred":"Nunito", "cjkPreferred":"Noto Sans SC", "fallback":"ui-rounded, system-ui, -apple-system, Segoe UI, sans-serif", "numericWeight":800, "bodyWeight":500, "labelWeight":600, "headingWeight":700},
  "type": {
    "display":{"size":30,"line":38,"weight":800}, "pageTitle":{"size":24,"line":32,"weight":700}, "section":{"size":18,"line":26,"weight":700},
    "body":{"size":16,"line":24,"weight":500}, "button":{"size":16,"line":24,"weight":700}, "label":{"size":14,"line":20,"weight":600},
    "caption":{"size":13,"line":18,"weight":500}, "micro":{"size":12,"line":16,"weight":500}
  },
  "boardType":{"startRatio":0.60,"singleRatio":0.52,"doubleRatio":0.46,"parityRatio":0.44,"paritySubMin":12,"doubleMin":22,"singleMin":24,"numberMax":46},
  "spacing":[4,8,12,16,20,24,32,40,48],
  "radius":{"small":8,"control":16,"card":20,"sheet":24,"cellRatio":0.18,"cellMin":7,"cellMax":14},
  "layout":{"referenceWidth":375,"referenceHeight":812,"contentPadding":20,"tapMin":48,"topbarHeight":56,"actionHeight":56,"actionGap":8,"boardOuterMargin":12,"boardPitchMin":48,"boardPitchPreferred":56,"tileInsetRatio":0.05,"bridgeThicknessRatio":0.46},
  "material":{"lightDirection":"upper-left","cellDepth":2,"cellDepthMax":3,"pressedDepth":1,"boundaryWidth":1.25,"shadowBlurMax":6,"shadowOpacityMax":0.08,"gradientLuminanceDeltaMax":0.02},
  "motionMs":{"fast":120,"base":200,"slow":320,"hold":500,"hintVisible":2400,"entryStagger":12,"entryStaggerCap":120},
  "motion":{"easeOut":[0.22,1,0.36,1],"easeIn":[0.4,0,1,1],"easeInOut":[0.65,0,0.35,1],"stepScalePeak":1.02,"buttonScaleMin":0.98,"shakeAmplitudeMax":2,"rotationDegrees":120},
  "contrastPairs":[
    {"name":"主文字/背景","fg":"ink","bg":"background","minimum":4.5},
    {"name":"辅助文字/背景","fg":"inkSecondary","bg":"background","minimum":4.5},
    {"name":"三级文字/背景","fg":"inkTertiary","bg":"background","minimum":4.5},
    {"name":"线索数字/未走格","fg":"ink","bg":"cellFace","minimum":4.5},
    {"name":"路径数字/紫面","fg":"onPrimary","bg":"primary","minimum":4.5},
    {"name":"路径数字/按压紫面","fg":"onPrimary","bg":"primaryPressed","minimum":4.5},
    {"name":"错误数字/错误面","fg":"onPrimary","bg":"danger","minimum":4.5},
    {"name":"错误说明/淡红底","fg":"dangerInk","bg":"dangerSoft","minimum":4.5},
    {"name":"提示文字/淡琥珀底","fg":"hintInk","bg":"hintSoft","minimum":4.5},
    {"name":"格边/格面","fg":"cellBoundary","bg":"cellFace","minimum":3},
    {"name":"格边/背景","fg":"cellBoundary","bg":"background","minimum":3},
    {"name":"提示环/背景","fg":"hint","bg":"background","minimum":3},
    {"name":"提示环/未走格","fg":"hint","bg":"cellFace","minimum":3},
    {"name":"墙身/墙条纹","fg":"wallInk","bg":"wallStripe","minimum":3},
    {"name":"墙身/未走格","fg":"wallInk","bg":"cellFace","minimum":3},
    {"name":"焦点/表面","fg":"focus","bg":"surface","minimum":3},
    {"name":"选中项文字/淡紫底","fg":"selectedInk","bg":"primarySoft","minimum":4.5},
    {"name":"辅助文字/二级面","fg":"inkSecondary","bg":"surfaceMuted","minimum":4.5},
    {"name":"已走线索环/路径面","fg":"primarySoft","bg":"primary","minimum":3},
    {"name":"未走格面/背景（诊断，边界另保证）","fg":"cellFace","bg":"background","minimum":null},
    {"name":"旧错误色白字（诊断）","fg":"#FFFFFF","bg":"#E5484D","minimum":null},
    {"name":"旧过关亮面白字（诊断）","fg":"#FFFFFF","bg":"#7D72FF","minimum":null}
  ]
}