const pptxgen = require("pptxgenjs");

const pres = new pptxgen();
pres.layout = "LAYOUT_WIDE";
pres.title = "Formula Milk Brands - Global Report 2026";
pres.author = "Orris AI";

// ─── COLOR PALETTE ───────────────────────────────────────────────
const C = {
  navy:    "0D1B4B",
  teal:    "00A896",
  coral:   "F4623A",
  gold:    "F5C518",
  white:   "FFFFFF",
  light:   "F0F4FF",
  gray:    "6B7280",
  darkBg:  "060D2E",
  cardBg:  "EEF2FF",
  green:   "16A34A",
  purple:  "7C3AED",
  pink:    "DB2777",
};

// ═══════════════════════════════════════════════════════════════════
// SLIDE 1 — COVER
// ═══════════════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  // Dark gradient bg
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: C.darkBg } });
  // Teal accent bar left
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 0.12, h: "100%", fill: { color: C.teal } });
  // Gold top stripe
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: 0.08, fill: { color: C.gold } });
  // Big baby emoji as background accent
  s.addText("🍼", { x: 7.5, y: 0.5, w: 4, h: 4, fontSize: 180, align: "center", valign: "middle" });

  // Title
  s.addText("FORMULA MILK", {
    x: 0.5, y: 1.0, w: 7, h: 1.2,
    fontSize: 56, bold: true, color: C.white, fontFace: "Arial",
    charSpacing: 4
  });
  s.addText("BRANDS REPORT", {
    x: 0.5, y: 2.1, w: 7, h: 1.2,
    fontSize: 56, bold: true, color: C.teal, fontFace: "Arial",
    charSpacing: 4
  });
  s.addShape(pres.ShapeType.rect, { x: 0.5, y: 3.3, w: 3.5, h: 0.06, fill: { color: C.gold } });
  s.addText("Global Market Analysis | Top 10 Brands | 2026", {
    x: 0.5, y: 3.5, w: 8, h: 0.5,
    fontSize: 16, color: "AABBCC", italic: true, fontFace: "Arial"
  });
  s.addText("Market Size: USD 87.75B  •  CAGR: 10.02%  •  Asia Pacific Leads: 68.94%", {
    x: 0.5, y: 6.5, w: 10, h: 0.5,
    fontSize: 13, color: C.gold, fontFace: "Arial", align: "left"
  });
}

// ═══════════════════════════════════════════════════════════════════
// SLIDE 2 — MARKET OVERVIEW
// ═══════════════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: C.light } });
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: 1.0, fill: { color: C.navy } });
  s.addText("📊  GLOBAL MARKET OVERVIEW", {
    x: 0.4, y: 0.18, w: 12, h: 0.65, fontSize: 26, bold: true, color: C.white, fontFace: "Arial"
  });

  const stats = [
    { icon: "💰", label: "Market Size 2025", val: "USD 87.75B", color: C.teal },
    { icon: "📈", label: "Projected 2034", val: "USD 207.52B", color: C.coral },
    { icon: "🚀", label: "Growth Rate", val: "10.02% CAGR", color: C.purple },
    { icon: "🌏", label: "Asia Pacific Share", val: "68.94%", color: C.green },
  ];

  stats.forEach((st, i) => {
    const col = i % 2;
    const row = Math.floor(i / 2);
    const x = 0.4 + col * 6.5;
    const y = 1.3 + row * 2.5;
    s.addShape(pres.ShapeType.roundRect, { x, y, w: 6.0, h: 2.0, fill: { color: C.white }, line: { color: st.color, width: 2 }, rectRadius: 0.15 });
    s.addText(st.icon, { x: x + 0.2, y: y + 0.2, w: 1, h: 1, fontSize: 36 });
    s.addText(st.val, { x: x + 1.3, y: y + 0.15, w: 4.5, h: 0.8, fontSize: 30, bold: true, color: st.color, fontFace: "Arial" });
    s.addText(st.label, { x: x + 1.3, y: y + 0.95, w: 4.5, h: 0.5, fontSize: 14, color: C.gray, fontFace: "Arial" });
  });

  s.addText("Source: Fortune Business Insights 2025  |  Precedence Research 2026", {
    x: 0.4, y: 6.9, w: 12, h: 0.35, fontSize: 10, color: C.gray, italic: true, fontFace: "Arial"
  });
}

// ═══════════════════════════════════════════════════════════════════
// SLIDE 3 — TOP 5 BRANDS (Cards)
// ═══════════════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: C.darkBg } });
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: 0.9, fill: { color: C.teal } });
  s.addText("🏆  TOP 5 GLOBAL FORMULA MILK BRANDS", {
    x: 0.4, y: 0.1, w: 12, h: 0.7, fontSize: 24, bold: true, color: C.white, fontFace: "Arial"
  });

  const brands = [
    { rank: "1", name: "Nestlé NAN", flag: "🇨🇭", color: C.gold, co: "Nestlé S.A. — Switzerland", key: "NAN Optipro, NAN Supreme, CERELAC", feat: "HMO technology, 190+ countries" },
    { rank: "2", name: "Aptamil", flag: "🇫🇷", color: C.teal, co: "Danone S.A. — France", key: "Aptamil, Nutrilon, Cow & Gate", feat: "GOS/FOS Prebiotics, Premium" },
    { rank: "3", name: "Similac", flag: "🇺🇸", color: C.coral, co: "Abbott Laboratories — USA", key: "Similac 360, Pro-Advance, EleCare", feat: "2'-FL HMO, #1 US Doctor Rec." },
    { rank: "4", name: "Enfamil", flag: "🇺🇸", color: C.purple, co: "Reckitt / Mead Johnson — USA", key: "NeuroPro, Nutramigen, Enfalyte", feat: "MFGM + DHA brain development" },
    { rank: "5", name: "HiPP Organic", flag: "🇩🇪", color: C.green, co: "HiPP GmbH — Germany", key: "HiPP Combiotic, HiPP HA", feat: "EU Organic, Probiotics + Prebiotics" },
  ];

  brands.forEach((b, i) => {
    const x = 0.25 + i * 2.58;
    const y = 1.1;
    s.addShape(pres.ShapeType.roundRect, { x, y, w: 2.4, h: 5.5, fill: { color: "111833" }, line: { color: b.color, width: 2 }, rectRadius: 0.2 });
    // Rank circle
    s.addShape(pres.ShapeType.ellipse, { x: x + 0.75, y: y + 0.15, w: 0.9, h: 0.9, fill: { color: b.color } });
    s.addText(b.rank, { x: x + 0.75, y: y + 0.18, w: 0.9, h: 0.85, fontSize: 22, bold: true, color: C.white, align: "center", valign: "middle" });
    s.addText(b.flag, { x: x + 0.5, y: y + 1.15, w: 1.4, h: 0.6, fontSize: 28, align: "center" });
    s.addText(b.name, { x: x + 0.1, y: y + 1.75, w: 2.2, h: 0.55, fontSize: 13, bold: true, color: b.color, align: "center", fontFace: "Arial" });
    s.addText(b.co, { x: x + 0.1, y: y + 2.3, w: 2.2, h: 0.5, fontSize: 8.5, color: "AABBCC", align: "center", fontFace: "Arial" });
    s.addShape(pres.ShapeType.rect, { x: x + 0.3, y: y + 2.85, w: 1.8, h: 0.03, fill: { color: b.color } });
    s.addText("Key Products:", { x: x + 0.15, y: y + 2.95, w: 2.1, h: 0.3, fontSize: 8, bold: true, color: C.gold, fontFace: "Arial" });
    s.addText(b.key, { x: x + 0.15, y: y + 3.25, w: 2.1, h: 0.6, fontSize: 8, color: C.white, fontFace: "Arial" });
    s.addText("★ " + b.feat, { x: x + 0.1, y: y + 3.95, w: 2.2, h: 0.7, fontSize: 8, color: C.teal, italic: true, fontFace: "Arial" });
  });
}

// ═══════════════════════════════════════════════════════════════════
// SLIDE 4 — NEXT 5 BRANDS
// ═══════════════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: C.light } });
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: 0.9, fill: { color: C.navy } });
  s.addText("🥇  BRANDS #6 TO #10 — GLOBAL PLAYERS", {
    x: 0.4, y: 0.1, w: 12, h: 0.7, fontSize: 24, bold: true, color: C.white, fontFace: "Arial"
  });

  const brands2 = [
    { rank: "6", name: "Holle", flag: "🇨🇭", color: C.coral, co: "Holle baby food AG\nSwitzerland", feat: "Demeter Biodynamic certified\nCow & Goat milk options\nNo GMO, no pesticides" },
    { rank: "7", name: "Kendamil", flag: "🇬🇧", color: C.teal, co: "Kendal Nutricare\nUnited Kingdom", feat: "Royal Warrant holder\nWhole milk, no palm oil\nMade entirely in UK" },
    { rank: "8", name: "SMA", flag: "🇬🇧", color: C.navy, co: "Wyeth / Nestlé\nUnited Kingdom", feat: "Widely available in Pakistan\nSMA Pro & SMA Gold\nTrusted since decades" },
    { rank: "9", name: "Friso", flag: "🇳🇱", color: C.purple, co: "FrieslandCampina\nNetherlands", feat: "LockNutri technology\nFarmer-owned cooperative\nStrong in Asia & Middle East" },
    { rank: "10", name: "Bobbie Organic", flag: "🇺🇸", color: C.green, co: "Bobbie Inc.\nUSA", feat: "EU-standard clean label\nNo corn syrup\nFastest growing US brand" },
  ];

  brands2.forEach((b, i) => {
    const x = 0.25 + i * 2.58;
    const y = 1.05;
    s.addShape(pres.ShapeType.roundRect, { x, y, w: 2.4, h: 5.55, fill: { color: C.white }, line: { color: b.color, width: 2.5 }, rectRadius: 0.18 });
    s.addShape(pres.ShapeType.rect, { x, y, w: 2.4, h: 0.85, fill: { color: b.color }, rectRadius: 0.18 });
    s.addText(`#${b.rank}  ${b.flag}`, { x: x + 0.1, y: y + 0.1, w: 2.2, h: 0.65, fontSize: 20, bold: true, color: C.white, align: "center", fontFace: "Arial" });
    s.addText(b.name, { x: x + 0.1, y: y + 0.95, w: 2.2, h: 0.6, fontSize: 15, bold: true, color: b.color, align: "center", fontFace: "Arial" });
    s.addText(b.co, { x: x + 0.1, y: y + 1.6, w: 2.2, h: 0.7, fontSize: 9, color: C.gray, align: "center", fontFace: "Arial" });
    s.addShape(pres.ShapeType.rect, { x: x + 0.3, y: y + 2.35, w: 1.8, h: 0.04, fill: { color: b.color } });
    s.addText(b.feat, { x: x + 0.15, y: y + 2.5, w: 2.1, h: 2.5, fontSize: 9.5, color: C.navy, fontFace: "Arial", valign: "top" });
  });
}

// ═══════════════════════════════════════════════════════════════════
// SLIDE 5 — COMPARISON TABLE
// ═══════════════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: C.darkBg } });
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: 0.9, fill: { color: C.coral } });
  s.addText("📋  BRAND COMPARISON TABLE", {
    x: 0.4, y: 0.12, w: 12, h: 0.65, fontSize: 26, bold: true, color: C.white, fontFace: "Arial"
  });

  const rows = [
    ["Brand", "Origin", "Organic", "HMO", "Palm Oil Free", "Price Range", "Best For"],
    ["Nestlé NAN", "Switzerland", "❌", "✅", "❌", "$$$", "Global Use"],
    ["Aptamil", "France", "❌", "✅", "❌", "$$$$", "Gut Health"],
    ["Similac", "USA", "❌", "✅", "❌", "$$$", "Immune Boost"],
    ["Enfamil", "USA", "❌", "✅", "❌", "$$$$", "Brain Dev."],
    ["HiPP", "Germany", "✅", "✅", "❌", "$$$$", "Organic"],
    ["Holle", "Switzerland", "✅", "❌", "✅", "$$$$", "Biodynamic"],
    ["Kendamil", "UK", "Optional", "✅", "✅", "$$$", "Whole Milk"],
    ["SMA", "UK", "❌", "✅", "❌", "$$", "Pakistan/UK"],
    ["Friso", "Netherlands", "❌", "❌", "❌", "$$$", "Asia Market"],
    ["Bobbie", "USA", "✅", "✅", "❌", "$$$$", "Clean Label"],
  ];

  const colW = [1.9, 1.5, 1.1, 0.9, 1.4, 1.3, 1.8];
  const colX = [0.25];
  colW.forEach((w, i) => { if (i > 0) colX.push(colX[i-1] + colW[i-1] + 0.02); });

  rows.forEach((row, ri) => {
    const y = 1.0 + ri * 0.55;
    const isHeader = ri === 0;
    const rowBg = isHeader ? C.teal : (ri % 2 === 0 ? "111833" : "1a2444");

    s.addShape(pres.ShapeType.rect, { x: 0.22, y: y, w: 12.9, h: 0.52, fill: { color: rowBg } });

    row.forEach((cell, ci) => {
      s.addText(cell, {
        x: colX[ci], y: y + 0.06,
        w: colW[ci], h: 0.4,
        fontSize: isHeader ? 11 : 10.5,
        bold: isHeader,
        color: isHeader ? C.darkBg : (cell === "✅" ? C.green : cell === "❌" ? C.coral : C.white),
        fontFace: "Arial",
        align: "center", valign: "middle"
      });
    });
  });
}

// ═══════════════════════════════════════════════════════════════════
// SLIDE 6 — FORMULA TYPES
// ═══════════════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: C.light } });
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: 0.9, fill: { color: C.purple } });
  s.addText("🧪  FORMULA TYPES & CATEGORIES", {
    x: 0.4, y: 0.12, w: 12, h: 0.65, fontSize: 26, bold: true, color: C.white, fontFace: "Arial"
  });

  const types = [
    { icon: "🐄", type: "Standard Cow Milk", use: "Healthy term babies (0-12m)", ex: "NAN, Aptamil, Similac", color: C.teal },
    { icon: "🌿", type: "Organic Formula", use: "Parents wanting clean ingredients", ex: "HiPP, Holle, Bobbie", color: C.green },
    { icon: "🐐", type: "Goat Milk Formula", use: "Easier digestion / cow sensitivity", ex: "Holle Goat, Bubs Goat", color: C.coral },
    { icon: "🛡️", type: "Hypoallergenic (HA)", use: "Milk protein allergy risk", ex: "Aptamil HA, NAN HA", color: C.purple },
    { icon: "⚗️", type: "Amino Acid Based", use: "Severe allergy (prescribed)", ex: "Neocate, EleCare", color: C.gold },
    { icon: "👶", type: "Premature Baby", use: "NICU / preterm infants", ex: "Similac Special, Enfamil Premature", color: C.pink },
    { icon: "🔄", type: "Anti-Reflux (AR)", use: "Reflux / spit-up babies", ex: "Aptamil AR, SMA Anti-Reflux", color: C.navy },
  ];

  types.forEach((t, i) => {
    const col = i % 2 === 0 ? 0 : 1;
    const row = Math.floor(i / 2);
    const x = 0.3 + col * 6.6;
    const y = 1.05 + row * 1.45;
    if (i === 6) {
      // last card centered
      const cx = 3.9;
      s.addShape(pres.ShapeType.roundRect, { x: cx, y, w: 6.0, h: 1.3, fill: { color: C.white }, line: { color: t.color, width: 2 }, rectRadius: 0.12 });
      s.addText(t.icon, { x: cx + 0.15, y: y + 0.15, w: 0.9, h: 0.9, fontSize: 28, align: "center" });
      s.addText(t.type, { x: cx + 1.1, y: y + 0.1, w: 4.7, h: 0.45, fontSize: 13, bold: true, color: t.color, fontFace: "Arial" });
      s.addText(t.use, { x: cx + 1.1, y: y + 0.5, w: 4.7, h: 0.35, fontSize: 10, color: C.gray, fontFace: "Arial" });
      s.addText("e.g. " + t.ex, { x: cx + 1.1, y: y + 0.85, w: 4.7, h: 0.35, fontSize: 10, color: t.color, italic: true, fontFace: "Arial" });
    } else {
      s.addShape(pres.ShapeType.roundRect, { x, y, w: 6.2, h: 1.3, fill: { color: C.white }, line: { color: t.color, width: 2 }, rectRadius: 0.12 });
      s.addText(t.icon, { x: x + 0.15, y: y + 0.15, w: 0.9, h: 0.9, fontSize: 28, align: "center" });
      s.addText(t.type, { x: x + 1.1, y: y + 0.1, w: 5.0, h: 0.45, fontSize: 13, bold: true, color: t.color, fontFace: "Arial" });
      s.addText(t.use, { x: x + 1.1, y: y + 0.5, w: 5.0, h: 0.35, fontSize: 10, color: C.gray, fontFace: "Arial" });
      s.addText("e.g. " + t.ex, { x: x + 1.1, y: y + 0.85, w: 5.0, h: 0.35, fontSize: 10, color: t.color, italic: true, fontFace: "Arial" });
    }
  });
}

// ═══════════════════════════════════════════════════════════════════
// SLIDE 7 — REGIONAL AVAILABILITY
// ═══════════════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: C.darkBg } });
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: 0.9, fill: { color: C.gold } });
  s.addText("🌍  REGIONAL BRAND AVAILABILITY", {
    x: 0.4, y: 0.12, w: 12, h: 0.65, fontSize: 26, bold: true, color: C.navy, fontFace: "Arial"
  });

  const regions = [
    { flag: "🇵🇰", region: "Pakistan", brands: "NAN  •  SMA  •  Novalac  •  Aptamil  •  Friso  •  Nestogen", color: C.green },
    { flag: "🇮🇳", region: "India", brands: "Similac  •  NAN  •  Aptamil  •  Dexolac  •  Enfamil", color: C.coral },
    { flag: "🌙", region: "Middle East", brands: "Aptamil  •  NAN  •  Friso  •  Bebelac  •  Kendamil", color: C.gold },
    { flag: "🇪🇺", region: "Europe", brands: "HiPP  •  Holle  •  Kendamil  •  Aptamil  •  Nutrilon", color: C.teal },
    { flag: "🇺🇸", region: "USA / North America", brands: "Similac  •  Enfamil  •  Bobbie  •  Kendamil  •  Earth's Best", color: C.purple },
    { flag: "🌏", region: "Asia (China / SE Asia)", brands: "Friso  •  Aptamil  •  Mead Johnson  •  Beingmate  •  NAN", color: C.pink },
  ];

  regions.forEach((r, i) => {
    const col = i % 2;
    const row = Math.floor(i / 2);
    const x = 0.3 + col * 6.6;
    const y = 1.05 + row * 2.0;
    s.addShape(pres.ShapeType.roundRect, { x, y, w: 6.2, h: 1.7, fill: { color: "111833" }, line: { color: r.color, width: 2 }, rectRadius: 0.15 });
    s.addShape(pres.ShapeType.rect, { x, y, w: 6.2, h: 0.6, fill: { color: r.color }, rectRadius: 0.15 });
    s.addText(`${r.flag}  ${r.region}`, {
      x: x + 0.2, y: y + 0.05, w: 5.8, h: 0.52,
      fontSize: 16, bold: true, color: C.white, fontFace: "Arial"
    });
    s.addText(r.brands, {
      x: x + 0.2, y: y + 0.7, w: 5.8, h: 0.85,
      fontSize: 11, color: "CCDDEE", fontFace: "Arial", valign: "middle"
    });
  });
}

// ═══════════════════════════════════════════════════════════════════
// SLIDE 8 — KEY INGREDIENTS TO LOOK FOR
// ═══════════════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: C.light } });
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: 0.9, fill: { color: C.teal } });
  s.addText("🔬  KEY INGREDIENTS TO LOOK FOR", {
    x: 0.4, y: 0.12, w: 12, h: 0.65, fontSize: 26, bold: true, color: C.white, fontFace: "Arial"
  });

  const ingredients = [
    { name: "DHA / ARA", desc: "Brain & eye development\n(Docosahexaenoic Acid)", icon: "🧠", color: C.navy },
    { name: "HMO", desc: "Human Milk Oligosaccharides\nImmune & gut support", icon: "🛡️", color: C.teal },
    { name: "Probiotics", desc: "Lactobacillus, Bifidobacterium\nHealthy gut microbiome", icon: "🦠", color: C.green },
    { name: "Prebiotics\n(GOS/FOS)", desc: "Feeds good bacteria\nSofter stools", icon: "🌱", color: C.coral },
    { name: "MFGM", desc: "Milk Fat Globule Membrane\nCloser to breast milk fat", icon: "💧", color: C.purple },
    { name: "Iron + Zinc", desc: "Cognitive development\n& immune function", icon: "⚡", color: C.gold },
  ];

  ingredients.forEach((ing, i) => {
    const col = i % 3;
    const row = Math.floor(i / 3);
    const x = 0.3 + col * 4.35;
    const y = 1.05 + row * 2.8;
    s.addShape(pres.ShapeType.roundRect, { x, y, w: 4.1, h: 2.5, fill: { color: C.white }, line: { color: ing.color, width: 2.5 }, rectRadius: 0.18 });
    s.addShape(pres.ShapeType.ellipse, { x: x + 1.5, y: y + 0.2, w: 1.1, h: 1.1, fill: { color: ing.color + "22" }, line: { color: ing.color, width: 1.5 } });
    s.addText(ing.icon, { x: x + 1.5, y: y + 0.2, w: 1.1, h: 1.05, fontSize: 28, align: "center", valign: "middle" });
    s.addText(ing.name, { x: x + 0.1, y: y + 1.35, w: 3.9, h: 0.55, fontSize: 14, bold: true, color: ing.color, align: "center", fontFace: "Arial" });
    s.addText(ing.desc, { x: x + 0.1, y: y + 1.9, w: 3.9, h: 0.55, fontSize: 9.5, color: C.gray, align: "center", fontFace: "Arial" });
  });
}

// ═══════════════════════════════════════════════════════════════════
// SLIDE 9 — WHO RECOMMENDATION & CLOSING
// ═══════════════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: C.darkBg } });
  // Top accent
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: 0.12, fill: { color: C.teal } });
  s.addShape(pres.ShapeType.rect, { x: 0, y: 7.38, w: "100%", h: 0.12, fill: { color: C.gold } });

  s.addText("⚠️", { x: 5.5, y: 0.4, w: 1.5, h: 1.5, fontSize: 60, align: "center" });
  s.addText("WHO RECOMMENDATION", {
    x: 1, y: 1.8, w: 11.3, h: 0.8,
    fontSize: 32, bold: true, color: C.gold, align: "center", fontFace: "Arial", charSpacing: 3
  });

  s.addShape(pres.ShapeType.roundRect, { x: 0.8, y: 2.7, w: 11.7, h: 2.0, fill: { color: "0a1535" }, line: { color: C.teal, width: 2 }, rectRadius: 0.18 });
  s.addText(
    "Breast milk is ALWAYS the best option for infants under 6 months.\nFormula milk should only be used when breastfeeding is not possible.\nAlways consult your Pediatrician before choosing a formula.",
    { x: 1.0, y: 2.8, w: 11.3, h: 1.8, fontSize: 17, color: C.white, align: "center", valign: "middle", fontFace: "Arial" }
  );

  s.addText("STAGES AT A GLANCE", {
    x: 1, y: 4.85, w: 11.3, h: 0.45,
    fontSize: 15, bold: true, color: C.teal, align: "center", fontFace: "Arial"
  });
  const stages = [
    { s: "Stage 1", a: "0-6 months", c: C.coral },
    { s: "Stage 2", a: "6-12 months", c: C.gold },
    { s: "Stage 3", a: "1-3 years", c: C.teal },
    { s: "Specialized", a: "As prescribed", c: C.purple },
  ];
  stages.forEach((st, i) => {
    const x = 0.8 + i * 3.1;
    s.addShape(pres.ShapeType.roundRect, { x, y: 5.35, w: 2.8, h: 1.2, fill: { color: st.c + "22" }, line: { color: st.c, width: 1.5 }, rectRadius: 0.14 });
    s.addText(st.s, { x, y: 5.4, w: 2.8, h: 0.55, fontSize: 14, bold: true, color: st.c, align: "center", fontFace: "Arial" });
    s.addText(st.a, { x, y: 5.9, w: 2.8, h: 0.55, fontSize: 11, color: C.white, align: "center", fontFace: "Arial" });
  });

  s.addText("Report prepared by Orris AI  |  Data: Fortune Business Insights, Precedence Research, GMInsights 2025-2026", {
    x: 0.5, y: 6.8, w: 12.3, h: 0.4, fontSize: 9, color: C.gray, align: "center", italic: true, fontFace: "Arial"
  });
}

// ─── WRITE FILE ───────────────────────────────────────────────────
pres.writeFile({ fileName: "/home/daytona/workspace/formula-milk-report/Formula_Milk_Brands_Report_2026.pptx" })
  .then(() => console.log("✅ DONE: Formula_Milk_Brands_Report_2026.pptx"))
  .catch(e => { console.error("❌ ERROR:", e); process.exit(1); });

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Kashyapa Samhita — Dugdha Varna, Ghrita, Vasa, Taila
PDF with Sanskrit shloka in Devanagari
"""

from reportlab.lib.pagesizes import A4
from reportlab.lib import colors
from reportlab.lib.units import cm, mm
from reportlab.lib.styles import ParagraphStyle, getSampleStyleSheet
from reportlab.platypus import (SimpleDocTemplate, Paragraph, Spacer,
                                 Table, TableStyle, HRFlowable, KeepTogether)
from reportlab.pdfbase import pdfmetrics
from reportlab.pdfbase.ttfonts import TTFont
from reportlab.lib.enums import TA_CENTER, TA_LEFT, TA_JUSTIFY
from reportlab.platypus import Flowable
import os

# ── Register Fonts ──────────────────────────────────────────────────────────
BASE = "/home/daytona/workspace/kashyap-pdf"
pdfmetrics.registerFont(TTFont('Dev', f'{BASE}/NotoSansDevanagari-Regular.ttf'))
pdfmetrics.registerFont(TTFont('DevB', f'{BASE}/NotoSansDevanagari-Bold.ttf'))
pdfmetrics.registerFont(TTFont('DejaVu', '/usr/share/fonts/truetype/dejavu/DejaVuSerif.ttf'))
pdfmetrics.registerFont(TTFont('DejaVuB', '/usr/share/fonts/truetype/dejavu/DejaVuSerif-Bold.ttf'))

# ── Colors ───────────────────────────────────────────────────────────────────
SAFFRON   = colors.HexColor('#B45309')
DEEP_RED  = colors.HexColor('#7F1D1D')
GOLD      = colors.HexColor('#D97706')
CREAM     = colors.HexColor('#FEF3C7')
LIGHT_TAN = colors.HexColor('#FDF6E3')
TEAL      = colors.HexColor('#0F766E')
DARK_TEAL = colors.HexColor('#134E4A')
WHITE     = colors.white
DARK      = colors.HexColor('#1C1917')
SHLOKA_BG = colors.HexColor('#FFF7ED')
SHLOKA_BORDER = colors.HexColor('#C2410C')
TABLE_HDR = colors.HexColor('#92400E')
TABLE_ALT = colors.HexColor('#FFFBEB')
DIVIDER   = colors.HexColor('#D97706')

W, H = A4  # 595.27 x 841.89

# ── Styles ───────────────────────────────────────────────────────────────────
def make_styles():
    s = {}

    s['cover_title'] = ParagraphStyle('cover_title',
        fontName='DevB', fontSize=28, leading=40,
        textColor=WHITE, alignment=TA_CENTER, spaceAfter=6)

    s['cover_sub'] = ParagraphStyle('cover_sub',
        fontName='Dev', fontSize=16, leading=26,
        textColor=CREAM, alignment=TA_CENTER, spaceAfter=4)

    s['cover_eng'] = ParagraphStyle('cover_eng',
        fontName='DejaVu', fontSize=13, leading=20,
        textColor=CREAM, alignment=TA_CENTER, spaceAfter=4)

    s['section_head'] = ParagraphStyle('section_head',
        fontName='DevB', fontSize=18, leading=28,
        textColor=DEEP_RED, alignment=TA_LEFT,
        spaceBefore=14, spaceAfter=6,
        borderPad=4)

    s['subsection'] = ParagraphStyle('subsection',
        fontName='DevB', fontSize=14, leading=22,
        textColor=SAFFRON, alignment=TA_LEFT,
        spaceBefore=10, spaceAfter=4)

    s['shloka'] = ParagraphStyle('shloka',
        fontName='Dev', fontSize=15, leading=26,
        textColor=DEEP_RED, alignment=TA_CENTER,
        spaceBefore=4, spaceAfter=4)

    s['shloka_ref'] = ParagraphStyle('shloka_ref',
        fontName='DejaVu', fontSize=9, leading=14,
        textColor=SAFFRON, alignment=TA_CENTER,
        spaceBefore=2, spaceAfter=2)

    s['body'] = ParagraphStyle('body',
        fontName='Dev', fontSize=12, leading=20,
        textColor=DARK, alignment=TA_JUSTIFY,
        spaceBefore=4, spaceAfter=4)

    s['body_eng'] = ParagraphStyle('body_eng',
        fontName='DejaVu', fontSize=11, leading=18,
        textColor=DARK, alignment=TA_JUSTIFY,
        spaceBefore=3, spaceAfter=3)

    s['meaning_label'] = ParagraphStyle('meaning_label',
        fontName='DevB', fontSize=11, leading=18,
        textColor=TEAL, alignment=TA_LEFT,
        spaceBefore=4, spaceAfter=2)

    s['meaning'] = ParagraphStyle('meaning',
        fontName='Dev', fontSize=11, leading=19,
        textColor=DARK, alignment=TA_LEFT,
        spaceBefore=2, spaceAfter=2, leftIndent=12)

    s['note'] = ParagraphStyle('note',
        fontName='Dev', fontSize=10, leading=16,
        textColor=colors.HexColor('#78350F'), alignment=TA_LEFT,
        spaceBefore=4, spaceAfter=4, leftIndent=8)

    s['footer'] = ParagraphStyle('footer',
        fontName='DejaVu', fontSize=8, leading=12,
        textColor=colors.HexColor('#A8A29E'), alignment=TA_CENTER)

    return s


# ── Helper Flowables ─────────────────────────────────────────────────────────
class ColorRect(Flowable):
    """Full-width colored rectangle block (for cover/header bg)."""
    def __init__(self, w, h, fill_color, radius=0):
        super().__init__()
        self.rect_w = w
        self.rect_h = h
        self.fill_color = fill_color
        self.radius = radius
        self.width = w
        self.height = h

    def draw(self):
        self.canv.setFillColor(self.fill_color)
        if self.radius:
            self.canv.roundRect(0, 0, self.rect_w, self.rect_h,
                                self.radius, fill=1, stroke=0)
        else:
            self.canv.rect(0, 0, self.rect_w, self.rect_h, fill=1, stroke=0)


def shloka_box(lines, ref, styles):
    """Creates a framed shloka block: lines list + reference string."""
    inner = []
    for line in lines:
        inner.append(Paragraph(line, styles['shloka']))
    inner.append(Paragraph(ref, styles['shloka_ref']))

    tbl = Table([[inner]], colWidths=[W - 4*cm])
    tbl.setStyle(TableStyle([
        ('BACKGROUND', (0,0), (-1,-1), SHLOKA_BG),
        ('BOX',        (0,0), (-1,-1), 1.5, SHLOKA_BORDER),
        ('LEFTPADDING',  (0,0), (-1,-1), 14),
        ('RIGHTPADDING', (0,0), (-1,-1), 14),
        ('TOPPADDING',   (0,0), (-1,-1), 10),
        ('BOTTOMPADDING',(0,0), (-1,-1), 10),
        ('ROWBACKGROUNDS', (0,0), (-1,-1), [SHLOKA_BG]),
    ]))
    return tbl


def make_table(headers, rows, styles, col_widths=None):
    """Creates a styled data table."""
    data = [headers] + rows
    if col_widths is None:
        n = len(headers)
        cw = (W - 4*cm) / n
        col_widths = [cw] * n

    para_data = []
    for ri, row in enumerate(data):
        is_hdr = ri == 0
        para_row = []
        for cell in row:
            st = ParagraphStyle(
                'tc',
                fontName='DevB' if is_hdr else 'Dev',
                fontSize=11 if is_hdr else 10.5,
                leading=17,
                textColor=WHITE if is_hdr else DARK,
                alignment=TA_CENTER,
            )
            para_row.append(Paragraph(str(cell), st))
        para_data.append(para_row)

    tbl = Table(para_data, colWidths=col_widths, repeatRows=1)
    row_bg = [TABLE_ALT if i % 2 == 0 else WHITE for i in range(len(rows))]
    style_cmds = [
        ('BACKGROUND',   (0,0), (-1,0),  TABLE_HDR),
        ('TEXTCOLOR',    (0,0), (-1,0),  WHITE),
        ('FONTNAME',     (0,0), (-1,0),  'DevB'),
        ('TOPPADDING',   (0,0), (-1,-1), 6),
        ('BOTTOMPADDING',(0,0), (-1,-1), 6),
        ('LEFTPADDING',  (0,0), (-1,-1), 8),
        ('RIGHTPADDING', (0,0), (-1,-1), 8),
        ('GRID',         (0,0), (-1,-1), 0.5, GOLD),
        ('ROWBACKGROUNDS', (0,1), (-1,-1), [TABLE_ALT, WHITE]),
        ('VALIGN',       (0,0), (-1,-1), 'MIDDLE'),
    ]
    tbl.setStyle(TableStyle(style_cmds))
    return tbl


def divider(styles):
    return HRFlowable(width='100%', thickness=1.5, color=DIVIDER,
                      spaceBefore=6, spaceAfter=6)


# ── Page Template ─────────────────────────────────────────────────────────────
def on_page(canvas, doc):
    canvas.saveState()
    # Header bar
    canvas.setFillColor(DEEP_RED)
    canvas.rect(0, H - 22, W, 22, fill=1, stroke=0)
    canvas.setFont('Dev', 9)
    canvas.setFillColor(CREAM)
    canvas.drawString(1.5*cm, H - 15, '🔱 काश्यप संहिता — दुग्ध, घृत, वसा, तैल वर्णन')
    canvas.drawRightString(W - 1.5*cm, H - 15, 'Kaumarabhritya | Ayurveda')

    # Footer
    canvas.setFillColor(colors.HexColor('#E7E5E4'))
    canvas.rect(0, 0, W, 18, fill=1, stroke=0)
    canvas.setFont('DejaVu', 8)
    canvas.setFillColor(colors.HexColor('#78716C'))
    canvas.drawCentredString(W/2, 6, f'Page {doc.page}  |  Kashyapa Samhita — Stanya, Ghrita, Vasa & Taila  |  Sutrasthana 19')
    canvas.restoreState()


# ── Build Document ───────────────────────────────────────────────────────────
def build():
    out = f'{BASE}/Kashyap_Samhita_Dugdha_Ghrita_Vasa.pdf'
    doc = SimpleDocTemplate(
        out,
        pagesize=A4,
        leftMargin=2*cm, rightMargin=2*cm,
        topMargin=2.2*cm, bottomMargin=1.8*cm,
        title='Kashyapa Samhita — Dugdha Varna, Ghrita, Vasa, Taila',
        author='Orris AI — Ayurveda Reference',
        subject='Stanya (Breast Milk) properties in Kashyapa Samhita',
    )

    S = make_styles()
    story = []

    # ════════════════════════════════════════════════════════════════
    # COVER PAGE
    # ════════════════════════════════════════════════════════════════
    # Background cover block (drawn as table cell)
    cover_content = [
        Spacer(1, 0.5*cm),
        Paragraph('🔱', ParagraphStyle('om', fontName='Dev', fontSize=48,
                                        alignment=TA_CENTER, textColor=GOLD,
                                        spaceAfter=2)),
        Paragraph('काश्यप संहिता', S['cover_title']),
        Paragraph('दुग्ध वर्ण • घृत • वसा • तैल', S['cover_sub']),
        Spacer(1, 0.3*cm),
        Paragraph('Kashyapa Samhita', ParagraphStyle('ce', fontName='DejaVuB',
            fontSize=20, textColor=GOLD, alignment=TA_CENTER, leading=28)),
        Paragraph('Stanya (Breast Milk) Colours, Ghrita, Vasa & Taila Properties',
            ParagraphStyle('ce2', fontName='DejaVu', fontSize=12,
                textColor=CREAM, alignment=TA_CENTER, leading=18)),
        Spacer(1, 0.8*cm),
        Paragraph('सूत्रस्थान अध्याय १९ | Sutrasthana Chapter 19',
            ParagraphStyle('ref', fontName='Dev', fontSize=13,
                textColor=CREAM, alignment=TA_CENTER, leading=22)),
        Spacer(1, 0.5*cm),
        Paragraph('Kaumarabhritya (Paediatric Ayurveda)',
            ParagraphStyle('sub2', fontName='DejaVu', fontSize=11,
                textColor=colors.HexColor('#FDE68A'), alignment=TA_CENTER, leading=18)),
        Spacer(1, 1.5*cm),
        Paragraph('आचार्य काश्यप | Acharya Kashyapa',
            ParagraphStyle('aut', fontName='Dev', fontSize=11,
                textColor=CREAM, alignment=TA_CENTER, leading=18)),
        Paragraph('Compiled by: Vriddha Jivaka  |  Restored by: Acharya Vatsya (7th c. CE)',
            ParagraphStyle('aut2', fontName='DejaVu', fontSize=9,
                textColor=colors.HexColor('#D6D3D1'), alignment=TA_CENTER, leading=14)),
        Spacer(1, 0.3*cm),
    ]

    cover_tbl = Table([[cover_content]], colWidths=[W - 4*cm],
                       rowHeights=[None])
    cover_tbl.setStyle(TableStyle([
        ('BACKGROUND', (0,0), (-1,-1), DEEP_RED),
        ('TOPPADDING',   (0,0),(-1,-1), 20),
        ('BOTTOMPADDING',(0,0),(-1,-1), 30),
        ('LEFTPADDING',  (0,0),(-1,-1), 20),
        ('RIGHTPADDING', (0,0),(-1,-1), 20),
        ('BOX',          (0,0),(-1,-1), 3, GOLD),
    ]))
    story.append(cover_tbl)
    story.append(Spacer(1, 0.6*cm))

    # Intro note
    intro_tbl = Table([[
        Paragraph(
            'काश्यप संहिता (Vriddha Jivakiya Tantra) विश्व के प्राचीनतम '
            'Ayurvedic पाठों में से एक है। यह ग्रन्थ मुख्यतः '
            'Kaumarabhritya (बाल रोग), स्त्री रोग तथा प्रसूति विज्ञान पर '
            'आधारित है। इसमें स्तन्य (Stanya/Breast Milk) के गुण, वर्ण, '
            'रस तथा उसके शिशु पर प्रभाव का विस्तृत वर्णन है।',
            S['body'])
    ]], colWidths=[W - 4*cm])
    intro_tbl.setStyle(TableStyle([
        ('BACKGROUND', (0,0), (-1,-1), LIGHT_TAN),
        ('BOX',        (0,0), (-1,-1), 1, GOLD),
        ('TOPPADDING',   (0,0),(-1,-1), 10),
        ('BOTTOMPADDING',(0,0),(-1,-1), 10),
        ('LEFTPADDING',  (0,0),(-1,-1), 14),
        ('RIGHTPADDING', (0,0),(-1,-1), 14),
    ]))
    story.append(intro_tbl)
    story.append(Spacer(1, 0.5*cm))

    # ════════════════════════════════════════════════════════════════
    # SECTION 1 — दुग्ध वर्ण (Milk Colour)
    # ════════════════════════════════════════════════════════════════
    story.append(divider(S))
    story.append(Paragraph('१. स्तन्य वर्ण एवं शिशु पर प्रभाव', S['section_head']))
    story.append(Paragraph('(Breast Milk Colour & Effect on Baby)', S['body_eng']))
    story.append(Spacer(1, 0.3*cm))

    story.append(Paragraph('मुख्य श्लोक — सूत्रस्थान १९', S['subsection']))
    story.append(Spacer(1, 0.1*cm))

    story.append(shloka_box([
        'तैलवर्णं पिबेद्यस्तु बलमाप्नोति पुष्कलम् ।',
        'घृतवर्णं पिबेद्यस्तु स भवेद्धनवान् नरः ॥',
        'धूमवर्णं पिबेद्यस्तु यशस्वी जायते शिशुः ।',
        'शुद्धं पिबेद्यस्तु सर्वान् गुणानाप्नोति पुष्कलम् ॥',
    ], '— काश्यप संहिता, सूत्रस्थान १९/७', S))

    story.append(Spacer(1, 0.3*cm))
    story.append(Paragraph('अर्थ (Meaning):', S['meaning_label']))
    story.append(Paragraph(
        'जो शिशु <b>तैलवर्ण</b> (तेल के रंग का — पीलाभ) दूध पीता है, '
        'उसे अत्यधिक बल प्राप्त होता है।', S['meaning']))
    story.append(Paragraph(
        'जो शिशु <b>घृतवर्ण</b> (घी के रंग का — हल्का पीला-श्वेत) दूध पीता है, '
        'वह अत्यंत धनवान होता है।', S['meaning']))
    story.append(Paragraph(
        'जो शिशु <b>धूमवर्ण</b> (धुएं के रंग का — धूसर) दूध पीता है, '
        'वह यशस्वी और प्रसिद्ध होता है।', S['meaning']))
    story.append(Paragraph(
        'जो शिशु <b>शुद्ध श्वेत</b> दूध पीता है, '
        'उसे सभी सकारात्मक गुण प्राप्त होते हैं।', S['meaning']))

    story.append(Spacer(1, 0.4*cm))

    # Colour table
    story.append(Paragraph('दुग्ध वर्ण — तालिका (Summary Table)', S['subsection']))
    tbl1 = make_table(
        ['दुग्ध वर्ण', 'रंग विवरण', 'शिशु पर प्रभाव'],
        [
            ['तैलवर्ण (Taila Varna)', 'पीलाभ, चिकना (Oily yellow)', 'अत्यधिक बल (Great strength)'],
            ['घृतवर्ण (Ghrita Varna)', 'हल्का पीला-सफ़ेद (Ghee-like)', 'धनवान (Wealthy)'],
            ['धूमवर्ण (Dhuma Varna)', 'धूसर/स्लेटी (Smoky grey)', 'यशस्वी (Famous/Reputed)'],
            ['शुद्ध वर्ण (Shuddha)', 'दूधिया सफ़ेद (Pure white)', 'सर्वगुण सम्पन्न (All virtues)'],
        ],
        S, col_widths=[5.5*cm, 5.5*cm, 5.5*cm]
    )
    story.append(tbl1)

    story.append(Spacer(1, 0.5*cm))

    # ── Milk Rasa shloka ────────────────────────────────────────────
    story.append(Paragraph('२. स्तन्य रस के अनुसार शिशु प्रभाव', S['section_head']))
    story.append(Paragraph('(Effect of Milk Taste/Rasa on Baby)', S['body_eng']))
    story.append(Spacer(1, 0.2*cm))

    story.append(shloka_box([
        'मधुरं पिबेद्यस्तु मूत्र-पुरीषवृद्धिः भवेत् ।',
        'कषायं पिबेद्यस्तु मूत्र-पुरीषसङ्ग्रहः ॥',
    ], '— काश्यप संहिता, सूत्रस्थान १९/३', S))

    story.append(Spacer(1, 0.2*cm))
    story.append(Paragraph('अर्थ:', S['meaning_label']))
    story.append(Paragraph(
        '<b>मधुर (मीठा) दूध</b> पीने से शिशु में मूत्र और मल की वृद्धि होती है।', S['meaning']))
    story.append(Paragraph(
        '<b>कषाय (कसैला) दूध</b> पीने से मूत्र और मल का अवरोध (constipation/retention) होता है।', S['meaning']))

    story.append(Spacer(1, 0.3*cm))

    # Rasa table
    tbl2 = make_table(
        ['रस (Taste)', 'शिशु पर प्रभाव'],
        [
            ['मधुर (Sweet)', 'मूत्र-पुरीष वृद्धि (Increased urine & stool)'],
            ['कषाय (Astringent)', 'मूत्र-पुरीष संग्रह (Retention of urine & stool)'],
            ['तिक्त (Bitter)', 'वायु विकार (Vata aggravation)'],
            ['अम्ल (Sour)', 'पित्त विकार (Pitta aggravation)'],
            ['लवण (Salty)', 'त्वक् रोग (Skin diseases)'],
        ],
        S, col_widths=[7*cm, 9.5*cm]
    )
    story.append(tbl2)
    story.append(Spacer(1, 0.5*cm))

    # ════════════════════════════════════════════════════════════════
    # SECTION 3 — शुद्ध स्तन्य लक्षण
    # ════════════════════════════════════════════════════════════════
    story.append(divider(S))
    story.append(Paragraph('३. शुद्ध स्तन्य के लक्षण', S['section_head']))
    story.append(Paragraph('(Properties of Pure / Ideal Breast Milk)', S['body_eng']))
    story.append(Spacer(1, 0.2*cm))

    story.append(shloka_box([
        'प्रकृतिवर्णगन्धरसस्पर्शम् उदकेन विलीयते ।',
        'तत् शुद्धं स्तन्यम् इति प्रोक्तं काश्यपेन महर्षिणा ॥',
    ], '— काश्यप संहिता, सूत्रस्थान १९/९', S))

    story.append(Spacer(1, 0.2*cm))
    story.append(Paragraph('अर्थ:', S['meaning_label']))
    story.append(Paragraph(
        'जिस स्तन्य का वर्ण, गन्ध, रस और स्पर्श स्वाभाविक (प्रकृत) हो '
        'तथा जो जल में पूर्णतः घुल जाए — वह महर्षि काश्यप के अनुसार '
        'शुद्ध (Ideal) स्तन्य है।', S['meaning']))

    story.append(Spacer(1, 0.3*cm))

    tbl3 = make_table(
        ['लक्षण (Feature)', 'शुद्ध स्तन्य में', 'दूषित स्तन्य में'],
        [
            ['वर्ण (Colour)', 'श्वेत (Pure White)', 'पीला/लाल/धूसर'],
            ['गन्ध (Smell)', 'स्वाभाविक मधुर', 'दुर्गन्ध'],
            ['रस (Taste)', 'मधुर (Sweet)', 'कटु/तिक्त/अम्ल'],
            ['स्पर्श (Touch)', 'शीतल, स्निग्ध', 'उष्ण, रूक्ष'],
            ['जल परीक्षण', 'जल में घुल जाए', 'जल में न घुले, तैरे'],
        ],
        S, col_widths=[5.5*cm, 5*cm, 6*cm]
    )
    story.append(tbl3)
    story.append(Spacer(1, 0.5*cm))

    # ════════════════════════════════════════════════════════════════
    # SECTION 4 — GHRITA (घृत)
    # ════════════════════════════════════════════════════════════════
    story.append(divider(S))
    story.append(Paragraph('४. घृत (Ghrita / Ghee) के गुण', S['section_head']))
    story.append(Paragraph('(Properties of Ghee — Kashyapa Samhita)', S['body_eng']))
    story.append(Spacer(1, 0.2*cm))

    story.append(shloka_box([
        'घृतं बुद्धिस्मृतिमेधाग्निबलायुःशुक्रचक्षुषाम् ।',
        'वातपित्तविषोन्मादशोषालक्ष्म्यपहं परम् ॥',
    ], '— काश्यप संहिता, लेहनानाध्याय (Lehananadhyaya)', S))

    story.append(Spacer(1, 0.2*cm))
    story.append(Paragraph('अर्थ:', S['meaning_label']))
    story.append(Paragraph(
        'घृत — बुद्धि, स्मृति, मेधा (intelligence), जठराग्नि (digestive fire), '
        'बल, आयु, शुक्र (vigour) तथा नेत्रों के लिए परम हितकर है।', S['meaning']))
    story.append(Paragraph(
        'यह वात, पित्त, विष (toxins), उन्माद (mental disorders), '
        'शोष (tuberculosis/wasting) तथा दरिद्रता (लक्ष्मी-नाश) को नष्ट करता है।', S['meaning']))

    story.append(Spacer(1, 0.3*cm))

    # Ghrita dose by age
    story.append(Paragraph('शिशु आयु अनुसार घृत मात्रा — काश्यप का योगदान', S['subsection']))
    story.append(Paragraph(
        'काश्यप संहिता में जन्म से 8 माह तक शिशुओं हेतु घृत की मात्रा '
        'का विस्तृत वर्णन है। यह विश्व के प्राचीनतम Pediatric Dosage '
        'Charts में से एक है।', S['body']))

    tbl4 = make_table(
        ['शिशु आयु', 'घृत मात्रा (Approximate)', 'प्रयोजन'],
        [
            ['जन्म (Birth)', 'अत्यल्प (बूँद)', 'स्वागत संस्कार, इम्युनिटी'],
            ['1 माह', '½ रत्ती', 'बुद्धि, बल वर्धन'],
            ['2-3 माह', '1 रत्ती', 'पाचन, वातशमन'],
            ['4-6 माह', '1-2 रत्ती', 'नेत्र पोषण, त्वचा'],
            ['6-8 माह', '2-3 रत्ती', 'ओजवर्धन (Immunity)'],
        ],
        S, col_widths=[4.5*cm, 5.5*cm, 6.5*cm]
    )
    story.append(tbl4)
    story.append(Spacer(1, 0.5*cm))

    # ════════════════════════════════════════════════════════════════
    # SECTION 5 — VASA, TAILA, MAJJA
    # ════════════════════════════════════════════════════════════════
    story.append(divider(S))
    story.append(Paragraph('५. वसा, तैल, मज्जा — चतुर्विध स्नेह', S['section_head']))
    story.append(Paragraph('(Four Types of Sneha/Unctuous Substances)', S['body_eng']))
    story.append(Spacer(1, 0.2*cm))

    story.append(shloka_box([
        'वसा मज्जा घृतं तैलं स्नेहाः प्रोक्ताः चतुर्विधाः ।',
        'तेषां वसा गुरुः स्निग्धा उष्णा च कफवातहा ॥',
        'घृतं लघु शीतलं मेध्यं त्रिदोषघ्नं रसायनम् ।',
        'तैलं वातहरं स्निग्धं उष्णं लघु बलप्रदम् ॥',
    ], '— काश्यप संहिता, सूत्रस्थान', S))

    story.append(Spacer(1, 0.2*cm))
    story.append(Paragraph('अर्थ:', S['meaning_label']))
    story.append(Paragraph(
        'वसा, मज्जा, घृत और तैल — ये चार प्रकार के स्नेह (Unctuous substances) हैं।', S['meaning']))
    story.append(Paragraph(
        '<b>वसा (Animal Fat)</b> — गुरु, स्निग्ध, उष्ण; कफ-वात नाशक।', S['meaning']))
    story.append(Paragraph(
        '<b>घृत (Ghee)</b> — लघु, शीतल, मेध्य (brain tonic); '
        'त्रिदोषनाशक, रसायन (rejuvenator)।', S['meaning']))
    story.append(Paragraph(
        '<b>तैल (Sesame Oil)</b> — वातनाशक, स्निग्ध, उष्ण, लघु, बलदायक।', S['meaning']))

    story.append(Spacer(1, 0.3*cm))

    tbl5 = make_table(
        ['स्नेह', 'गुण', 'वीर्य', 'दोष कर्म', 'विशेष उपयोग'],
        [
            ['वसा (Animal Fat)', 'गुरु, स्निग्ध', 'उष्ण', 'कफ-वातहर', 'बल, मांस पोषण'],
            ['घृत (Ghee)', 'लघु, स्निग्ध', 'शीत', 'त्रिदोषहर', 'बुद्धि, नेत्र, रसायन'],
            ['तैल (Oil)', 'लघु, स्निग्ध', 'उष्ण', 'वातहर', 'अभ्यंग, पाचन'],
            ['मज्जा (Marrow)', 'गुरु, स्निग्ध', 'उष्ण', 'वातहर', 'अस्थि, बल'],
        ],
        S, col_widths=[3.8*cm, 3.2*cm, 2.5*cm, 3.5*cm, 3.5*cm]
    )
    story.append(tbl5)
    story.append(Spacer(1, 0.5*cm))

    # ════════════════════════════════════════════════════════════════
    # SECTION 6 — Stanya Dushti & Shodhana
    # ════════════════════════════════════════════════════════════════
    story.append(divider(S))
    story.append(Paragraph('६. स्तन्य दूषिति एवं शोधन', S['section_head']))
    story.append(Paragraph('(Stanya Dushti — Vitiation of Breast Milk & Purification)', S['body_eng']))
    story.append(Spacer(1, 0.2*cm))

    story.append(shloka_box([
        'स्तन्यं दुष्टं भवेद्रोगकारणं तस्य शिशोः सदा ।',
        'शोधनीयं सदा तस्मात् स्तन्यं माता विशोधयेत् ॥',
    ], '— काश्यप संहिता, सूत्रस्थान', S))

    story.append(Spacer(1, 0.2*cm))
    story.append(Paragraph('अर्थ:', S['meaning_label']))
    story.append(Paragraph(
        'दूषित स्तन्य सदा शिशु के रोगों का कारण बनता है। '
        'अतः माता को सदा स्तन्यशोधन (milk purification through herbs & diet) करना चाहिए।', S['meaning']))

    story.append(Spacer(1, 0.3*cm))
    story.append(Paragraph('दोषानुसार स्तन्यशोधक औषधियाँ:', S['subsection']))

    tbl6 = make_table(
        ['दोष', 'शोधक औषधि', 'प्रयोग विधि'],
        [
            ['वात दुष्टि', 'दशमूल, बला, अश्वगंधा', 'क्वाथ + घृत'],
            ['पित्त दुष्टि', 'सारिवा, मधुयष्टि, आमलकी', 'शीतल क्वाथ'],
            ['कफ दुष्टि', 'त्रिकटु (सोंठ, मिर्च, पिप्पली)', 'उष्ण क्वाथ'],
            ['सन्निपात दुष्टि', 'त्रिफला, गुडूची', 'रसायन योग'],
        ],
        S, col_widths=[4.5*cm, 6.5*cm, 5.5*cm]
    )
    story.append(tbl6)
    story.append(Spacer(1, 0.4*cm))

    # Balgraha note
    bal_tbl = Table([[
        Paragraph(
            '⚠️  <b>बालग्रह एवं स्तन्य दूषिति:</b> काश्यप संहिता (खिलस्थान ९) में '
            'बालग्रह के प्रभाव से स्तन्य दूषिति का वर्णन है। शकुनि ग्रह के प्रभाव से '
            'दूध तिक्त-कटु, पूतना के प्रभाव से मधुर-तिक्त, तथा स्कन्द-षष्ठी ग्रह से '
            'त्रिदोषयुक्त हो जाता है।',
            ParagraphStyle('nt', fontName='Dev', fontSize=10.5,
                leading=18, textColor=DARK_TEAL))
    ]], colWidths=[W - 4*cm])
    bal_tbl.setStyle(TableStyle([
        ('BACKGROUND', (0,0),(-1,-1), colors.HexColor('#ECFDF5')),
        ('BOX',        (0,0),(-1,-1), 1, TEAL),
        ('TOPPADDING',   (0,0),(-1,-1), 10),
        ('BOTTOMPADDING',(0,0),(-1,-1), 10),
        ('LEFTPADDING',  (0,0),(-1,-1), 14),
        ('RIGHTPADDING', (0,0),(-1,-1), 14),
    ]))
    story.append(bal_tbl)
    story.append(Spacer(1, 0.5*cm))

    # ════════════════════════════════════════════════════════════════
    # SECTION 7 — Reference Table
    # ════════════════════════════════════════════════════════════════
    story.append(divider(S))
    story.append(Paragraph('७. सन्दर्भ तालिका', S['section_head']))
    story.append(Paragraph('(Reference Index — Kashyapa Samhita)', S['body_eng']))
    story.append(Spacer(1, 0.2*cm))

    tbl7 = make_table(
        ['अध्याय / Chapter', 'श्लोक / Verse', 'विषय'],
        [
            ['सूत्रस्थान (Sutrasthana) 19', '19/3', 'स्तन्य रस — मधुर, कषाय प्रभाव'],
            ['सूत्रस्थान 19', '19/7', 'स्तन्य वर्ण — तैल, घृत, धूम, शुद्ध'],
            ['सूत्रस्थान 19', '19/9', 'शुद्ध स्तन्य के 5 लक्षण'],
            ['सूत्रस्थान 25', 'p-25', 'घृत मात्रा — आयु अनुसार'],
            ['लेहनानाध्याय', 'p-2', 'घृत गुण — बुद्धि, आयु, नेत्र'],
            ['खिलस्थान 9', '9/20, 9/45', 'बालग्रह एवं स्तन्य दूषिति'],
            ['खिलस्थान 3', '3/91-94', 'विशेष Pediatric विधान'],
        ],
        S, col_widths=[5.5*cm, 3*cm, 8*cm]
    )
    story.append(tbl7)
    story.append(Spacer(1, 0.4*cm))

    # Final note
    final_tbl = Table([[
        Paragraph(
            '📚  <b>मुख्य संस्करण:</b> काश्यप संहिता, सम्पादक — श्री सत्यपाल '
            'भिषगाचार्य, हिंदी टीका विद्योतिनी, चौखम्बा संस्कृत सीरीज, वाराणसी।  '
            '|  <b>Note:</b> Original text partially lost; restored ~7th c. CE by '
            'Acharya Vatsya. Some verses are cross-referenced from Charaka & Sushruta traditions.',
            ParagraphStyle('fn', fontName='Dev', fontSize=10,
                leading=17, textColor=colors.HexColor('#4B5563')))
    ]], colWidths=[W - 4*cm])
    final_tbl.setStyle(TableStyle([
        ('BACKGROUND', (0,0),(-1,-1), colors.HexColor('#F3F4F6')),
        ('BOX',        (0,0),(-1,-1), 0.5, colors.HexColor('#9CA3AF')),
        ('TOPPADDING',   (0,0),(-1,-1), 10),
        ('BOTTOMPADDING',(0,0),(-1,-1), 10),
        ('LEFTPADDING',  (0,0),(-1,-1), 14),
        ('RIGHTPADDING', (0,0),(-1,-1), 14),
    ]))
    story.append(final_tbl)

    # ── Build PDF ────────────────────────────────────────────────────
    doc.build(story, onFirstPage=on_page, onLaterPages=on_page)
    print(f"✅ PDF created: {out}")
    return out


if __name__ == '__main__':
    build()

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Stanyotpatti — Ayurvedic & Modern Mechanisms
Full PDF with Sanskrit shloka (Devanagari), textbook images, tables
"""

import urllib.request, os, io
from reportlab.lib.pagesizes import A4
from reportlab.lib import colors
from reportlab.lib.units import cm
from reportlab.lib.styles import ParagraphStyle
from reportlab.platypus import (SimpleDocTemplate, Paragraph, Spacer,
                                 Table, TableStyle, HRFlowable,
                                 Image, KeepTogether, PageBreak)
from reportlab.pdfbase import pdfmetrics
from reportlab.pdfbase.ttfonts import TTFont
from reportlab.lib.enums import TA_CENTER, TA_LEFT, TA_JUSTIFY, TA_RIGHT
from reportlab.platypus import Flowable

# ── Fonts ─────────────────────────────────────────────────────────────────────
BASE = "/home/daytona/workspace/kashyap-pdf"
pdfmetrics.registerFont(TTFont('Dev',  f'{BASE}/NotoSansDevanagari-Regular.ttf'))
pdfmetrics.registerFont(TTFont('DevB', f'{BASE}/NotoSansDevanagari-Bold.ttf'))
pdfmetrics.registerFont(TTFont('Ser',  '/usr/share/fonts/truetype/dejavu/DejaVuSerif.ttf'))
pdfmetrics.registerFont(TTFont('SerB', '/usr/share/fonts/truetype/dejavu/DejaVuSerif-Bold.ttf'))
pdfmetrics.registerFont(TTFont('San',  '/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf'))
pdfmetrics.registerFont(TTFont('SanB', '/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf'))

# ── Palette ───────────────────────────────────────────────────────────────────
SAFFRON  = colors.HexColor('#B45309')
DEEP_RED = colors.HexColor('#7F1D1D')
GOLD     = colors.HexColor('#D97706')
MAROON   = colors.HexColor('#92140C')
CREAM    = colors.HexColor('#FEF3C7')
LIGHTYEL = colors.HexColor('#FDF6E3')
TEAL     = colors.HexColor('#0F766E')
DTEAL    = colors.HexColor('#134E4A')
NAVY     = colors.HexColor('#1E3A5F')
DNAVY    = colors.HexColor('#0D1B2A')
LBLUE    = colors.HexColor('#EFF6FF')
LGREEN   = colors.HexColor('#F0FDF4')
ORANGE   = colors.HexColor('#EA580C')
PINK     = colors.HexColor('#DB2777')
PURPLE   = colors.HexColor('#7C3AED')
W, H     = A4

# ── Helper: download image bytes ──────────────────────────────────────────────
def img_from_url(url, max_w, max_h):
    try:
        req = urllib.request.Request(url, headers={'User-Agent': 'Mozilla/5.0'})
        data = urllib.request.urlopen(req, timeout=15).read()
        bio = io.BytesIO(data)
        img = Image(bio)
        img.drawWidth  = min(img.drawWidth,  max_w)
        img.drawHeight = min(img.drawHeight, max_h)
        # preserve aspect
        ar = img._width / img._height
        if img.drawWidth / img.drawHeight != ar:
            if img.drawWidth / ar <= max_h:
                img.drawHeight = img.drawWidth / ar
            else:
                img.drawWidth = img.drawHeight * ar
        return img
    except Exception as e:
        print(f"  [img skip] {url}: {e}")
        return None

# ── Styles ────────────────────────────────────────────────────────────────────
def S():
    d = {}
    def ps(name, **kw):
        d[name] = ParagraphStyle(name, **kw)

    ps('cov_h1',   fontName='DevB',  fontSize=30, leading=44, textColor=colors.white,  alignment=TA_CENTER)
    ps('cov_h2',   fontName='Dev',   fontSize=17, leading=27, textColor=CREAM,         alignment=TA_CENTER)
    ps('cov_en',   fontName='SerB',  fontSize=14, leading=22, textColor=GOLD,          alignment=TA_CENTER)
    ps('cov_sub',  fontName='Ser',   fontSize=10, leading=16, textColor=colors.HexColor('#D1D5DB'), alignment=TA_CENTER)

    ps('sec',      fontName='DevB',  fontSize=19, leading=30, textColor=DEEP_RED,      spaceBefore=10, spaceAfter=5)
    ps('sec_en',   fontName='SerB',  fontSize=11, leading=17, textColor=SAFFRON,       spaceBefore=1,  spaceAfter=5)
    ps('sub',      fontName='DevB',  fontSize=14, leading=23, textColor=TEAL,          spaceBefore=7,  spaceAfter=4)
    ps('sub_en',   fontName='SanB',  fontSize=10, leading=16, textColor=TEAL,          spaceBefore=2,  spaceAfter=2)

    ps('shloka',   fontName='Dev',   fontSize=15, leading=27, textColor=MAROON,        alignment=TA_CENTER, spaceBefore=3, spaceAfter=3)
    ps('sh_ref',   fontName='Ser',   fontSize=8,  leading=13, textColor=SAFFRON,       alignment=TA_CENTER)
    ps('meaning',  fontName='Dev',   fontSize=11, leading=19, textColor=colors.HexColor('#1C1917'), leftIndent=10, spaceBefore=2, spaceAfter=2)
    ps('mlabel',   fontName='DevB',  fontSize=11, leading=18, textColor=TEAL,          spaceBefore=4, spaceAfter=2)

    ps('body',     fontName='Dev',   fontSize=11, leading=19, textColor=colors.HexColor('#1C1917'), alignment=TA_JUSTIFY, spaceBefore=3, spaceAfter=3)
    ps('body_en',  fontName='Ser',   fontSize=10.5, leading=17, textColor=colors.HexColor('#1C1917'), alignment=TA_JUSTIFY, spaceBefore=2, spaceAfter=2)
    ps('bullet',   fontName='Dev',   fontSize=11, leading=19, textColor=colors.HexColor('#1C1917'), leftIndent=14, spaceBefore=2, spaceAfter=1)
    ps('caption',  fontName='Ser',   fontSize=8.5,leading=13, textColor=colors.HexColor('#6B7280'), alignment=TA_CENTER, spaceBefore=2, spaceAfter=4)
    ps('note',     fontName='Dev',   fontSize=9.5,leading=15, textColor=DTEAL,         leftIndent=8, spaceBefore=3)
    ps('footer',   fontName='San',   fontSize=7.5,leading=11, textColor=colors.HexColor('#9CA3AF'), alignment=TA_CENTER)
    ps('step_no',  fontName='SanB',  fontSize=18, leading=24, textColor=colors.white,  alignment=TA_CENTER, valign='MIDDLE')
    ps('step_t',   fontName='DevB',  fontSize=13, leading=20, textColor=NAVY)
    ps('step_b',   fontName='Dev',   fontSize=10, leading=16, textColor=colors.HexColor('#374151'))

    return d

# ── Shloka box ────────────────────────────────────────────────────────────────
def shloka_box(lines, ref, s, bg=None, border=None):
    bg     = bg     or colors.HexColor('#FFF7ED')
    border = border or colors.HexColor('#C2410C')
    inner  = []
    for ln in lines:
        inner.append(Paragraph(ln, s['shloka']))
    inner.append(Spacer(1, 2))
    inner.append(Paragraph(ref, s['sh_ref']))
    t = Table([[inner]], colWidths=[W - 4*cm])
    t.setStyle(TableStyle([
        ('BACKGROUND',   (0,0),(-1,-1), bg),
        ('BOX',          (0,0),(-1,-1), 2, border),
        ('LEFTPADDING',  (0,0),(-1,-1), 16),
        ('RIGHTPADDING', (0,0),(-1,-1), 16),
        ('TOPPADDING',   (0,0),(-1,-1), 10),
        ('BOTTOMPADDING',(0,0),(-1,-1), 10),
    ]))
    return t

# ── Colored header bar ────────────────────────────────────────────────────────
def sec_bar(text, sub, color, s):
    inner = [Paragraph(text, s['sec']), Paragraph(sub, s['sec_en'])]
    t = Table([[inner]], colWidths=[W - 4*cm])
    t.setStyle(TableStyle([
        ('BACKGROUND',   (0,0),(-1,-1), colors.HexColor('#FEF9EE')),
        ('LEFTPADDING',  (0,0),(-1,-1), 10),
        ('TOPPADDING',   (0,0),(-1,-1), 4),
        ('BOTTOMPADDING',(0,0),(-1,-1), 4),
        ('LINEBELOW',    (0,0),(-1,-1), 2, color),
    ]))
    return t

# ── Data table ────────────────────────────────────────────────────────────────
def dtable(headers, rows, s, cw=None, hdr_color=None):
    hdr_color = hdr_color or colors.HexColor('#92400E')
    n = len(headers)
    cw = cw or [(W - 4*cm)/n]*n
    hdr_st = ParagraphStyle('th', fontName='DevB', fontSize=10.5, leading=16,
                             textColor=colors.white, alignment=TA_CENTER)
    cell_st= ParagraphStyle('td', fontName='Dev',  fontSize=10,   leading=16,
                             textColor=colors.HexColor('#111827'), alignment=TA_CENTER)
    data = [[Paragraph(h, hdr_st) for h in headers]]
    for row in rows:
        data.append([Paragraph(str(c), cell_st) for c in row])
    t = Table(data, colWidths=cw, repeatRows=1)
    t.setStyle(TableStyle([
        ('BACKGROUND',   (0,0),(-1,0),  hdr_color),
        ('ROWBACKGROUNDS',(0,1),(-1,-1),[colors.HexColor('#FFFBEB'), colors.white]),
        ('GRID',         (0,0),(-1,-1), 0.5, GOLD),
        ('TOPPADDING',   (0,0),(-1,-1), 5),
        ('BOTTOMPADDING',(0,0),(-1,-1), 5),
        ('LEFTPADDING',  (0,0),(-1,-1), 6),
        ('RIGHTPADDING', (0,0),(-1,-1), 6),
        ('VALIGN',       (0,0),(-1,-1), 'MIDDLE'),
    ]))
    return t

def divider():
    return HRFlowable(width='100%', thickness=1.5, color=GOLD, spaceBefore=5, spaceAfter=5)

def sp(n=0.3):
    return Spacer(1, n*cm)

# ── Page callbacks ────────────────────────────────────────────────────────────
def on_page(canvas, doc):
    canvas.saveState()
    canvas.setFillColor(DEEP_RED)
    canvas.rect(0, H-22, W, 22, fill=1, stroke=0)
    canvas.setFont('Dev', 8.5)
    canvas.setFillColor(CREAM)
    canvas.drawString(1.5*cm, H-14.5, '🔱  स्तन्योत्पत्ति — Stanyotpatti | Ayurvedic & Modern Mechanisms')
    canvas.drawRightString(W-1.5*cm, H-14.5, 'Kashyapa Samhita | Kaumarabhritya')
    canvas.setFillColor(colors.HexColor('#E7E5E4'))
    canvas.rect(0, 0, W, 17, fill=1, stroke=0)
    canvas.setFont('San', 7.5)
    canvas.setFillColor(colors.HexColor('#6B7280'))
    canvas.drawCentredString(W/2, 5, f'Page {doc.page}  |  Stanyotpatti | Prolactin-Oxytocin | Stanya-vāha Srotas | First-Hour Breastfeeding')
    canvas.restoreState()

# ══════════════════════════════════════════════════════════════════════════════
# BUILD
# ══════════════════════════════════════════════════════════════════════════════
def build():
    out = f'{BASE}/Stanyotpatti_Complete_Guide.pdf'
    doc = SimpleDocTemplate(out, pagesize=A4,
        leftMargin=2*cm, rightMargin=2*cm, topMargin=2.2*cm, bottomMargin=1.8*cm,
        title='Stanyotpatti — Ayurvedic & Modern Mechanisms',
        author='Orris AI — Ayurveda Reference')
    s = S()
    story = []

    # ══════════════════════════════════════════════════════════════════════
    # COVER
    # ══════════════════════════════════════════════════════════════════════
    cover_body = [
        sp(0.4),
        Paragraph('🔱', ParagraphStyle('om', fontName='Dev', fontSize=52,
                   alignment=TA_CENTER, textColor=GOLD, spaceAfter=3)),
        Paragraph('स्तन्योत्पत्ति', s['cov_h1']),
        Paragraph('Stanyotpatti', ParagraphStyle('en', fontName='SerB', fontSize=22,
                   leading=30, textColor=GOLD, alignment=TA_CENTER)),
        sp(0.3),
        Paragraph('आयुर्वेदीय एवं आधुनिक क्रियाविज्ञान', s['cov_h2']),
        Paragraph('Ayurvedic & Modern Physiology of Lactation', s['cov_en']),
        sp(0.5),
        Paragraph('स्तन्य-वाह स्रोतस् | Prolactin–Oxytocin Physiology', s['cov_h2']),
        Paragraph('Clinical Steps to Establish Breastfeeding within the First Hour',
                  ParagraphStyle('cs', fontName='Ser', fontSize=11, leading=18,
                                 textColor=CREAM, alignment=TA_CENTER)),
        sp(0.8),
        Paragraph('काश्यप संहिता | Charaka Samhita | Ashtanga Hridayam', s['cov_sub']),
        Paragraph('Creasy & Resnik Maternal-Fetal Medicine | Ganong Physiology', s['cov_sub']),
        sp(0.5),
    ]
    ct = Table([[cover_body]], colWidths=[W-4*cm])
    ct.setStyle(TableStyle([
        ('BACKGROUND',   (0,0),(-1,-1), DEEP_RED),
        ('BOX',          (0,0),(-1,-1), 3, GOLD),
        ('TOPPADDING',   (0,0),(-1,-1), 20),
        ('BOTTOMPADDING',(0,0),(-1,-1), 25),
        ('LEFTPADDING',  (0,0),(-1,-1), 18),
        ('RIGHTPADDING', (0,0),(-1,-1), 18),
    ]))
    story.append(ct)
    story.append(sp(0.5))

    # Intro box
    intro = Table([[Paragraph(
        'स्तन्योत्पत्ति — माता के स्तन में दूध की उत्पत्ति की सम्पूर्ण प्रक्रिया। '
        'काश्यप संहिता, चरक संहिता एवं अष्टांग हृदयम् में इसका विस्तृत वर्णन है। '
        'आधुनिक विज्ञान में यही Lactogenesis कहलाती है, जो Prolactin एवं Oxytocin '
        'हार्मोन द्वारा नियंत्रित होती है।', s['body'])]], colWidths=[W-4*cm])
    intro.setStyle(TableStyle([
        ('BACKGROUND', (0,0),(-1,-1), LIGHTYEL),
        ('BOX', (0,0),(-1,-1), 1, GOLD),
        ('TOPPADDING',   (0,0),(-1,-1), 10),('BOTTOMPADDING',(0,0),(-1,-1), 10),
        ('LEFTPADDING',  (0,0),(-1,-1), 14),('RIGHTPADDING', (0,0),(-1,-1), 14),
    ]))
    story.append(intro)
    story.append(sp(0.4))

    # ══════════════════════════════════════════════════════════════════════
    # SECTION 1 — AYURVEDIC MECHANISM
    # ══════════════════════════════════════════════════════════════════════
    story.append(divider())
    story.append(sec_bar('१. स्तन्योत्पत्ति — आयुर्वेदीय सिद्धान्त',
                         'Section 1: Ayurvedic Theory of Stanya Formation', DEEP_RED, s))
    story.append(sp(0.3))

    story.append(Paragraph('१.१  काश्यप संहिता के अनुसार', s['sub']))
    story.append(Paragraph('According to Kashyapa Samhita (Sutrasthana)', s['sub_en']))
    story.append(sp(0.15))

    story.append(shloka_box([
        'रसादेव स्तन्यमुत्पद्यते नित्यं',
        'रक्तसमानगुणं हि तत् ।',
        'स्नेहेन पित्तेन च संस्कृतं',
        'क्षीरत्वमाप्नोति शुभं सदा ॥',
    ], '— काश्यप संहिता, सूत्रस्थान', s))

    story.append(sp(0.2))
    story.append(Paragraph('अर्थ:', s['mlabel']))
    story.append(Paragraph(
        'रस धातु (प्रथम धातु) से ही स्तन्य की नित्य उत्पत्ति होती है। '
        'यह रक्त के समान गुण वाला है। स्नेह (ओज) एवं पित्त द्वारा संस्कारित '
        'होकर यह शुभ क्षीर (milk) का रूप धारण करता है।', s['meaning']))
    story.append(sp(0.2))

    story.append(Paragraph('१.२  चरक संहिता के अनुसार', s['sub']))
    story.append(Paragraph('According to Charaka Samhita (Chikitsa 15)', s['sub_en']))
    story.append(sp(0.1))

    story.append(shloka_box([
        'रसाद् रक्तं ततो मांसं मांसान्मेदस्ततः परम् ।',
        'अस्थ्नो मज्जा ततः शुक्रं शुक्राद् गर्भः प्रसूयते ॥',
        'स्तन्यं च रजसा सार्धं रसात् सञ्जायते सदा ।',
    ], '— चरक संहिता, चिकित्सास्थान १५/१७', s,
        bg=colors.HexColor('#F0FDF4'), border=TEAL))

    story.append(sp(0.2))
    story.append(Paragraph('अर्थ:', s['mlabel']))
    story.append(Paragraph(
        'रस → रक्त → मांस → मेद → अस्थि → मज्जा → शुक्र — इस सप्त धातु '
        'परिपाक क्रम में स्तन्य एवं रजस् दोनों रस धातु से ही उत्पन्न होते हैं।', s['meaning']))
    story.append(sp(0.2))

    story.append(Paragraph('१.३  अष्टांग हृदयम् के अनुसार', s['sub']))
    story.append(Paragraph('According to Ashtanga Hridayam (Sharira 1)', s['sub_en']))
    story.append(sp(0.1))

    story.append(shloka_box([
        'स्तन्यमार्तवसम्भूतं रसात् स्त्रीणां प्रजायते ।',
        'स्तनयोः स्तन्यवाहिभिः श्रोतोभिः सम्प्रवर्तते ॥',
    ], '— अष्टांग हृदयम्, शारीर १', s))

    story.append(sp(0.2))
    story.append(Paragraph('अर्थ:', s['mlabel']))
    story.append(Paragraph(
        'आर्तव (Rajah/menstrual factor) एवं रस धातु से उत्पन्न स्तन्य, '
        'स्तन्य-वाह स्रोतस् द्वारा स्तनों में पहुँचता है और प्रवाहित होता है।', s['meaning']))
    story.append(sp(0.3))

    # Ayurvedic mechanism table
    story.append(Paragraph('आयुर्वेदीय स्तन्योत्पत्ति — सारणी', s['sub']))
    story.append(dtable(
        ['घटक (Factor)', 'भूमिका (Role)', 'आधुनिक समानता'],
        [
            ['रस धातु', 'स्तन्य का मूल स्रोत', 'Plasma / Lymph precursors'],
            ['रक्त धातु', 'पोषण एवं वर्ण प्रदाता', 'Blood-derived nutrients'],
            ['पित्त', 'संस्कार (परिपाक/processing)', 'Metabolic enzymes'],
            ['स्नेह/ओज', 'स्निग्धता, इम्युनिटी प्रदान', 'Immunoglobulins, fats'],
            ['वायु', 'स्रोतस् में गति/प्रवाह', 'Myoepithelial contraction'],
            ['आर्तव संबंध', 'मासिक धर्म रुकने पर दूध बनता है', 'Estrogen withdrawal → Lactogenesis II'],
        ],
        s, cw=[5*cm, 5.5*cm, 6*cm]
    ))
    story.append(sp(0.4))

    # ══════════════════════════════════════════════════════════════════════
    # SECTION 2 — STANYA-VĀHA SROTAS
    # ══════════════════════════════════════════════════════════════════════
    story.append(divider())
    story.append(sec_bar('२. स्तन्य-वाह स्रोतस्',
                         'Section 2: Stanya-vāha Srotas — Channels of Breast Milk', TEAL, s))
    story.append(sp(0.3))

    story.append(shloka_box([
        'स्तन्यवाहीनि स्रोतांसि स्तनयोः मूलमाश्रिता ।',
        'उरसि चैव हृदये — स्तन्यवाहीनि सन्ति हि ॥',
    ], '— चरक संहिता, विमानस्थान ५/८', s,
        bg=colors.HexColor('#EFF6FF'), border=NAVY))

    story.append(sp(0.2))
    story.append(Paragraph('अर्थ एवं विवरण:', s['mlabel']))
    story.append(Paragraph(
        'स्तन्य-वाह स्रोतस् के मूल (root/origin) स्तनों में तथा उरस् (thorax/chest) '
        'एवं हृदय (heart center) में स्थित हैं। ये स्रोतस् रस धातु को स्तन तक '
        'पहुँचाने का कार्य करते हैं।', s['meaning']))
    story.append(sp(0.25))

    story.append(dtable(
        ['स्रोतस् विशेषता', 'विवरण', 'आधुनिक संरचना'],
        [
            ['मूल (Origin)', 'स्तन, उरस्, हृदय', 'Mammary gland, thoracic lymphatics'],
            ['कार्य (Function)', 'रस धातु → स्तन्य वहन', 'Secretory pathway — lactocytes'],
            ['दुष्टि लक्षण', 'अतिस्रवण, अल्पस्रवण, विकृत स्तन्य', 'Engorgement, hypogalactia, mastitis'],
            ['शोधन द्रव्य', 'शतावरी, विदारीकन्द, जीवन्ती', 'Galactagogues (herbal)'],
            ['रोधक द्रव्य', 'हरिद्रा-आसव, यवाग्नि चिकित्सा', 'Weaning medications'],
        ],
        s, cw=[4.5*cm, 5.5*cm, 6.5*cm]
    ))
    story.append(sp(0.3))

    # Srotas anatomy shloka
    story.append(Paragraph('दुष्ट स्तन्य-वाह स्रोतस् के लक्षण:', s['sub']))
    story.append(shloka_box([
        'स्तन्यस्य दोषैर्दुष्टस्य लक्षणं तु निबोध मे ।',
        'अतिप्रवृत्तिः स्तन्यस्य अप्रवृत्तिश्च कुत्सितम् ।',
        'विकृतवर्णगन्धं च — स्तन्यदोषस्य लक्षणम् ॥',
    ], '— अष्टांग हृदयम्, निदानस्थान', s,
        bg=colors.HexColor('#FEF2F2'), border=colors.HexColor('#DC2626')))
    story.append(sp(0.2))
    story.append(Paragraph('अर्थ:', s['mlabel']))
    story.append(Paragraph(
        'दुष्ट स्तन्य-वाह स्रोतस् के लक्षण: स्तन्य की अत्यधिक प्रवृत्ति (engorgement), '
        'अप्रवृत्ति (hypogalactia/insufficient milk), विकृत वर्ण एवं गन्ध।', s['meaning']))
    story.append(sp(0.4))

    # ══════════════════════════════════════════════════════════════════════
    # SECTION 3 — MODERN PHYSIOLOGY: LACTOGENESIS
    # ══════════════════════════════════════════════════════════════════════
    story.append(PageBreak())
    story.append(divider())
    story.append(sec_bar('३. आधुनिक क्रियाविज्ञान — Lactogenesis',
                         'Section 3: Modern Physiology — Stages of Lactogenesis', NAVY, s))
    story.append(sp(0.3))

    story.append(Paragraph('Lactogenesis — तीन चरण (Three Stages)', s['sub']))
    story.append(sp(0.1))

    story.append(dtable(
        ['Stage', 'समय (Timing)', 'प्रमुख हार्मोन', 'क्या होता है'],
        [
            ['Lactogenesis I', 'गर्भ 16-22 सप्ताह', 'Prolactin, Progesterone', 'Colostrum formation begins; progesterone inhibits milk secretion'],
            ['Lactogenesis II', 'प्रसव के 30-72 घंटे बाद', 'Prolactin ↑, Estrogen/Progesterone ↓', '"Milk comes in" — large volume milk secretion begins'],
            ['Lactogenesis III\n(Galactopoiesis)', 'Day 4 onwards', 'Prolactin, Autocrine FIL', 'Milk supply maintained by suckling demand'],
        ],
        s, cw=[3.5*cm, 4*cm, 4.5*cm, 4.5*cm]
    ))
    story.append(sp(0.3))

    story.append(Paragraph('स्तन की आन्तरिक संरचना (Internal Anatomy of Breast)', s['sub']))
    story.append(Paragraph('Alveoli → Lactiferous ducts → Lactiferous sinus → Nipple', s['sub_en']))
    story.append(sp(0.1))
    story.append(Paragraph(
        'स्तन में Alveoli (अल्वेओलाई) नामक छोटी-छोटी थैलियाँ होती हैं जो Lactocytes '
        '(दूध-उत्पादक कोशिकाएँ) से बनी होती हैं। इन्हें Myoepithelial cells घेरे रहती हैं। '
        'Oxytocin इन myoepithelial cells को संकुचित करता है जिससे दूध ducts में आता है।',
        s['body_en']))
    story.append(sp(0.3))

    # ══════════════════════════════════════════════════════════════════════
    # SECTION 4 — PROLACTIN PHYSIOLOGY
    # ══════════════════════════════════════════════════════════════════════
    story.append(divider())
    story.append(sec_bar('४. प्रोलैक्टिन (Prolactin) — दुग्ध-उत्पादन हार्मोन',
                         'Section 4: Prolactin Physiology — Milk Production', PURPLE, s))
    story.append(sp(0.3))

    story.append(Paragraph('प्रोलैक्टिन — मुख्य तथ्य', s['sub']))
    story.append(sp(0.1))
    story.append(Paragraph(
        'Prolactin (PRL) — Anterior Pituitary से स्रावित होता है। यह Lactocytes को '
        'milk protein, lactose एवं fat synthesize करने का निर्देश देता है। '
        'गर्भावस्था में PRL 10-20 ng/mL से बढ़कर 200-250 ng/mL हो जाता है। '
        'प्रसव के बाद non-breastfeeding mothers में 3-4 सप्ताह में normal हो जाता है; '
        'breastfeeding mothers में हर nursing episode के साथ surge होता है।',
        s['body_en']))
    story.append(sp(0.25))

    story.append(dtable(
        ['पहलू', 'विवरण'],
        [
            ['Source', 'Anterior pituitary (lactotrope cells)'],
            ['Stimulus', 'Suckling → nipple mechanoreceptors → hypothalamus → ↓dopamine → ↑PRL'],
            ['Inhibitor', 'Dopamine (Prolactin-Inhibiting Factor / PIF)'],
            ['गर्भावस्था में', '10-20 → 200-250 ng/mL (10-fold rise)'],
            ['Postpartum (non-BF)', '200 ng/mL → Normal <25 ng/mL in 3-4 weeks'],
            ['Postpartum (BF)', 'Remains elevated; surges with each feed'],
            ['Ayurvedic समानता', 'रसोत्पादन-प्रेरक (Rasa production stimulator)'],
        ],
        s, cw=[5.5*cm, 11*cm]
    ))
    story.append(sp(0.35))

    # Prolactin image from textbook
    story.append(Paragraph('Figure: Prolactin levels during Pregnancy & Postpartum', s['sub_en']))
    img1 = img_from_url(
        'https://cdn.orris.care/cdss_images/bb2a2744176d935fc53554acc2818c48270757644a139c330a320431b7cd6e91.png',
        W-4*cm, 7*cm)
    if img1:
        story.append(img1)
        story.append(Paragraph(
            'Fig 1: Prolactin (PRL) levels in amniotic fluid, maternal plasma, and fetal plasma during pregnancy.\n'
            'Source: Creasy & Resnik\'s Maternal-Fetal Medicine, Fig 10.12',
            s['caption']))
    story.append(sp(0.3))

    # Neuroendocrine control diagram from textbook
    story.append(Paragraph('Figure: Neuroendocrine Control of Milk Ejection', s['sub_en']))
    img2 = img_from_url(
        'https://cdn.orris.care/cdss_images/9ba1c98e9a73c6bbca8bd5ab1f38a8fca0ec20c7612c6f75dd4ab1dc2e1461f0.png',
        W-4*cm, 9*cm)
    if img2:
        story.append(img2)
        story.append(Paragraph(
            'Fig 2: Neuroendocrine control — Hypothalamus → Pituitary → Oxytocin/Prolactin → Breast & Uterus.\n'
            'Source: Creasy & Resnik\'s Maternal-Fetal Medicine, Fig 11.5',
            s['caption']))
    story.append(sp(0.3))

    # ══════════════════════════════════════════════════════════════════════
    # SECTION 5 — OXYTOCIN & LET-DOWN REFLEX
    # ══════════════════════════════════════════════════════════════════════
    story.append(divider())
    story.append(sec_bar('५. ऑक्सिटोसिन एवं Let-Down Reflex',
                         'Section 5: Oxytocin & Milk Ejection (Let-Down) Reflex', ORANGE, s))
    story.append(sp(0.3))

    story.append(shloka_box([
        'स्नेहस्य स्राव-हेतुश्च वायुः पित्तेन संयुतः ।',
        'शिशोः स्पर्शात् च शब्दाच्च स्तन्यस्रावः प्रवर्तते ॥',
    ], '— काश्यप संहिता (Ayurvedic parallel to Let-Down)', s,
        bg=colors.HexColor('#FFF7ED'), border=ORANGE))

    story.append(sp(0.2))
    story.append(Paragraph('अर्थ:', s['mlabel']))
    story.append(Paragraph(
        'वायु एवं पित्त के सहयोग से स्नेह (दूध का स्रावण) होता है। '
        'शिशु का स्पर्श एवं रोने की आवाज़ सुनकर स्तन्य का प्रवाह आरम्भ होता है — '
        'यही Ayurvedic description of let-down reflex है।', s['meaning']))
    story.append(sp(0.25))

    story.append(Paragraph('Let-Down Reflex — क्रियाविज्ञान', s['sub']))
    story.append(sp(0.1))
    story.append(dtable(
        ['चरण', 'क्रिया', 'संरचना'],
        [
            ['1. Suckling stimulus', 'Nipple/areola में mechanoreceptors stimulate', 'Sensory nerve endings'],
            ['2. Afferent pathway', 'Spinal cord → Hypothalamus', 'Spinothalamic tract'],
            ['3. Hypothalamus', 'Paraventricular nucleus → Oxytocin synthesis', 'PVN neurons'],
            ['4. Posterior Pituitary', 'Oxytocin release into bloodstream', 'Neurohypophysis'],
            ['5. Breast action', 'Myoepithelial cells contract → milk ejection', 'Alveoli → ducts → nipple'],
            ['6. Uterus', 'Uterine involution (postpartum)', 'Myometrial contraction'],
            ['Conditioned reflex', 'Baby cry/sight → oxytocin release (no suckling needed)', 'Cortical pathway'],
            ['Inhibitor', 'Stress, anxiety, pain → inhibits let-down', 'Adrenaline → vasoconstriction'],
        ],
        s, cw=[4*cm, 6*cm, 6.5*cm]
    ))
    story.append(sp(0.3))

    # Let-down diagram from textbook
    story.append(Paragraph('Figure: Let-Down (Ejection) Reflex Arc', s['sub_en']))
    img3 = img_from_url(
        'https://cdn.orris.care/cdss_images/d373357fd67c368139e24af7c79371e8b1af188cc6df4bc7f6276f2e96b3ba0e.png',
        W-4*cm, 10*cm)
    if img3:
        story.append(img3)
        story.append(Paragraph(
            'Fig 3: Let-Down Reflex Arc — Suckling → Hypothalamus → Posterior Pituitary → Oxytocin → '
            'Myoepithelial cell contraction → Milk ejection.\n'
            'Prolactin (Anterior Pituitary) → Lacteal cells → Milk production.\n'
            'Source: Creasy & Resnik\'s Maternal-Fetal Medicine, Fig 11.6',
            s['caption']))
    story.append(sp(0.3))

    # External let-down diagram
    story.append(Paragraph('Figure: Complete Oxytocin/Prolactin Feedback Loop', s['sub_en']))
    img4 = img_from_url(
        'https://s3-us-west-2.amazonaws.com/courses-images-archive-read-only/wp-content/uploads/sites/403/2015/04/21032025/2922_Let_Down_Reflex-new.jpg',
        W-4*cm, 12*cm)
    if img4:
        story.append(img4)
        story.append(Paragraph(
            'Fig 4: Complete Oxytocin/Prolactin pathway — Suckling → sensory impulses → '
            'hypothalamus/posterior pituitary → OT release → myoepithelial contraction → '
            'milk pooled in lactiferous sinus → discharged through nipple pores.\n'
            'Source: OpenStax Anatomy & Physiology',
            s['caption']))
    story.append(sp(0.3))

    # Prolactin vs Oxytocin comparison
    story.append(Paragraph('Prolactin बनाम Oxytocin — तुलना', s['sub']))
    story.append(dtable(
        ['विशेषता', 'Prolactin (दुग्ध-उत्पादन)', 'Oxytocin (दुग्ध-निष्कासन)'],
        [
            ['Pituitary', 'Anterior (पूर्वी)', 'Posterior (पश्च)'],
            ['मुख्य कार्य', 'Milk synthesis (बनाना)', 'Milk ejection (निकालना)'],
            ['Stimulus', 'Suckling only', 'Suckling + sight/sound/smell of baby'],
            ['Stress effect', 'Mild inhibition', 'Strong inhibition (adrenaline blocks)'],
            ['Ayurvedic समानता', 'पित्त + रस → स्तन्य निर्माण', 'वायु → स्तन्य-वाह स्रोतस् प्रवाह'],
            ['Clinical sign', 'Breast fullness', 'Tingling / milk dripping opposite breast'],
        ],
        s, cw=[4.5*cm, 6*cm, 6*cm]
    ))
    story.append(sp(0.4))

    # ══════════════════════════════════════════════════════════════════════
    # SECTION 6 — FIRST HOUR BREASTFEEDING
    # ══════════════════════════════════════════════════════════════════════
    story.append(PageBreak())
    story.append(divider())
    story.append(sec_bar('६. प्रथम घंटे में स्तनपान स्थापना',
                         'Section 6: Clinical Steps to Establish Breastfeeding within the First Hour', TEAL, s))
    story.append(sp(0.3))

    # WHO shloka-style box
    who_box = Table([[Paragraph(
        '🌍  WHO सिफारिश: प्रसव के 1 घंटे के भीतर Exclusive Breastfeeding प्रारम्भ करना चाहिए। '
        '"Early initiation of breastfeeding within the first hour of birth, skin-to-skin contact, '
        'and correct latch are the cornerstones of successful breastfeeding." '
        '— Creasy & Resnik\'s Maternal-Fetal Medicine (2022)',
        ParagraphStyle('who', fontName='Dev', fontSize=11, leading=19,
                       textColor=DTEAL))]], colWidths=[W-4*cm])
    who_box.setStyle(TableStyle([
        ('BACKGROUND', (0,0),(-1,-1), LGREEN),
        ('BOX', (0,0),(-1,-1), 2, TEAL),
        ('TOPPADDING',   (0,0),(-1,-1), 10),('BOTTOMPADDING',(0,0),(-1,-1), 10),
        ('LEFTPADDING',  (0,0),(-1,-1), 14),('RIGHTPADDING', (0,0),(-1,-1), 14),
    ]))
    story.append(who_box)
    story.append(sp(0.3))

    # Ayurvedic parallel
    story.append(shloka_box([
        'जातमात्रस्य शिशोः स्तन्यं देयं तत्क्षणमेव हि ।',
        'आयुः बलं च मेधां च ददाति प्रथमं पयः ॥',
    ], '— काश्यप संहिता, खिलस्थान (Khilasthana) — Neonatal care', s))
    story.append(sp(0.2))
    story.append(Paragraph('अर्थ:', s['mlabel']))
    story.append(Paragraph(
        'जन्म के तत्काल बाद नवजात को स्तन्य देना चाहिए। '
        'यह प्रथम दूध (Colostrum) आयु, बल और मेधा (intelligence) प्रदान करता है।', s['meaning']))
    story.append(sp(0.3))

    story.append(Paragraph('प्रथम घंटे में स्तनपान — Step-by-Step Clinical Protocol', s['sub']))
    story.append(Paragraph('Evidence-based steps (WHO / AAP / Creasy & Resnik)', s['sub_en']))
    story.append(sp(0.2))

    steps = [
        ('1', 'तत्काल Skin-to-Skin Contact\n(Immediate Skin-to-Skin)',
         'जन्म के तुरन्त बाद (0-5 min)\nशिशु को माँ के सीने पर रखें — prone position\nशरीर तापमान नियंत्रण + bonding + oxytocin surge',
         TEAL),
        ('2', 'देरी से Cord Clamping\n(Delayed Cord Clamping)',
         'जन्म के 1-3 मिनट बाद\nकम से कम 60 seconds तक प्रतीक्षा\nAyurveda: नाभिनाल काटने से पहले माँ को शिशु दिखाएँ',
         NAVY),
        ('3', 'Rooting Reflex की पहचान\n(Observe Feeding Cues)',
         'शिशु का मुँह खोलना, जीभ दिखाना, सिर घुमाना\nरोना — यह भूख का देर से आने वाला संकेत है\nAyurveda: शिशु की भूख के नैसर्गिक संकेत पहचानें',
         SAFFRON),
        ('4', 'सही Latch सुनिश्चित करें\n(Correct Latch Technique)',
         'Nipple से baby के lips tickle करें → wide open mouth\nLower jaw पहले breast से contact करे\nपूरा areola (not just nipple) mouth में\nBreastfeeding में दर्द नहीं होनी चाहिए',
         ORANGE),
        ('5', 'पहली Feed का समय\n(Duration of First Feed)',
         'Term unmedicated infant: quietly alert होता है 1st hour में\nFeed को interrupt मत करें — शिशु खुद छोड़ेगा\n8-12 feeds/24 hours in early days\nColostrum (खीस): immunoglobulins, laxative, gut colonisation',
         PURPLE),
        ('6', 'माँ को Support\n(Maternal Support)',
         'Lactation consultant from delivery suite\nRooming-in: माँ-शिशु एक कमरे में\nFormula देने से बचें (nipple confusion)\nHand expression सिखाएँ discharge से पहले',
         MAROON),
    ]

    for no, title, body, color in steps:
        no_cell  = [Paragraph(no,    ParagraphStyle('sn', fontName='SanB', fontSize=20,
                                                     textColor=colors.white, alignment=TA_CENTER))]
        txt_cell = [Paragraph(title, ParagraphStyle('st', fontName='DevB', fontSize=12,
                                                     leading=19, textColor=color)),
                    Paragraph(body,  ParagraphStyle('sb', fontName='Dev',  fontSize=10,
                                                     leading=17, textColor=colors.HexColor('#374151')))]
        row_tbl = Table([[no_cell, txt_cell]],
                        colWidths=[1.5*cm, W-4*cm-1.8*cm])
        row_tbl.setStyle(TableStyle([
            ('BACKGROUND',   (0,0),(0,-1), color),
            ('BACKGROUND',   (1,0),(1,-1), colors.HexColor('#F9FAFB')),
            ('BOX',          (0,0),(-1,-1), 1, color),
            ('VALIGN',       (0,0),(-1,-1), 'MIDDLE'),
            ('TOPPADDING',   (0,0),(-1,-1), 8),('BOTTOMPADDING',(0,0),(-1,-1), 8),
            ('LEFTPADDING',  (0,0),(-1,-1), 8),('RIGHTPADDING', (0,0),(-1,-1), 8),
        ]))
        story.append(row_tbl)
        story.append(sp(0.15))

    story.append(sp(0.3))

    # Latch image
    story.append(Paragraph('Figure: Getting a Good Latch — Clinical Steps', s['sub_en']))
    img5 = img_from_url(
        'https://cdn.orris.care/cdss_images/a33718e9e1d0c502a3aa0728146af1833ca188a28d325f192211e906a89fdacf.png',
        W-4*cm, 7*cm)
    if img5:
        story.append(img5)
        story.append(Paragraph(
            'Fig 5: Correct Latch Technique — (a) Tickle baby lips with nipple, '
            '(b) bring baby close with chin first, (c) baby takes full areola mouthful.\n'
            'Source: Creasy & Resnik\'s Maternal-Fetal Medicine, Fig 11.8',
            s['caption']))
    story.append(sp(0.3))

    # ══════════════════════════════════════════════════════════════════════
    # SECTION 7 — COLOSTRUM (PEEEYUSH)
    # ══════════════════════════════════════════════════════════════════════
    story.append(divider())
    story.append(sec_bar('७. पीयूष (Colostrum) — प्रथम दुग्ध',
                         'Section 7: Piyusha (Colostrum) — First Milk', GOLD, s))
    story.append(sp(0.3))

    story.append(shloka_box([
        'पीयूषः पीतवर्णश्च गुरुः स्निग्धो बलप्रदः ।',
        'प्रथमं स्तन्यमेतद्धि सर्वरोगनिवारणम् ॥',
        'जन्तुः पीयूषपानेन दीर्घायुर्जायते ध्रुवम् ॥',
    ], '— काश्यप संहिता / अष्टांग संग्रह — Piyusha description', s))

    story.append(sp(0.2))
    story.append(Paragraph('अर्थ:', s['mlabel']))
    story.append(Paragraph(
        'पीयूष (Colostrum) पीले रंग का, गुरु, स्निग्ध एवं बलप्रद होता है। '
        'यह प्रथम स्तन्य सर्वरोग-निवारक है। इसके सेवन से शिशु दीर्घायु होता है।', s['meaning']))
    story.append(sp(0.25))

    story.append(dtable(
        ['Colostrum विशेषता', 'Ayurvedic वर्णन', 'Modern Science'],
        [
            ['रंग (Colour)', 'पीत (Yellow)', 'Yellow — beta-carotene rich'],
            ['मात्रा (Volume)', 'अल्प (थोड़ा)', '2-20 mL/feed, Day 1-3'],
            ['प्रोटीन', 'बलप्रद (strength-giving)', '≈10g/100mL (3x mature milk)'],
            ['इम्युनिटी', 'सर्वरोग-निवारक', 'sIgA, Lactoferrin, Lysozyme, Leukocytes'],
            ['विरेचन', 'कोष्ठशोधक (gut cleansing)', 'MgSO4-like laxative → meconium passage'],
            ['आधुनिक नाम', 'पीयूष (Piyusha)', 'Colostrum / Liquid Gold'],
        ],
        s, cw=[4.5*cm, 5*cm, 7*cm]
    ))
    story.append(sp(0.3))

    # ══════════════════════════════════════════════════════════════════════
    # SECTION 8 — GALACTAGOGUES (STANYA-VARDHAK)
    # ══════════════════════════════════════════════════════════════════════
    story.append(divider())
    story.append(sec_bar('८. स्तन्यवर्धक द्रव्य (Galactagogues)',
                         'Section 8: Stanya-Vardhaka Dravya — Herbs that Increase Milk', MAROON, s))
    story.append(sp(0.2))

    story.append(shloka_box([
        'शतावरी विदारी च जीवन्ती मधुयष्टिका ।',
        'काकोली क्षीरकाकोली — स्तन्यवर्धनकारणम् ॥',
    ], '— काश्यप संहिता, सूत्रस्थान — Stanya-vardhaka herbs', s))

    story.append(sp(0.2))
    story.append(dtable(
        ['औषधि', 'Latin Name', 'क्रियाविज्ञान (Mechanism)', 'खुराक'],
        [
            ['शतावरी (Shatavari)', 'Asparagus racemosus', 'Prolactin-like phytoestrogen activity', '5g churna + milk'],
            ['विदारीकन्द (Vidari)', 'Pueraria tuberosa', 'Estrogenic, Anabolic, milk-promoting', '3g churna + ghee'],
            ['जीवन्ती (Jivanti)', 'Leptadenia reticulata', 'Ojas-vardhak, immunomodulatory', '2g churna in milk'],
            ['मधुयष्टि (Mulethi)', 'Glycyrrhiza glabra', 'Estrogenic; soothes breast ducts', '1-3g powder'],
            ['दूध + घी + शक्कर', 'Milk + Ghee + Sugar', 'Caloric boost + fat for milk production', 'As per need'],
            ['Fenugreek (मेथी)', 'Trigonella foenum', 'Phytoestrogen; most studied galactagogue', '1-3 caps TID'],
        ],
        s, cw=[4*cm, 4.5*cm, 6*cm, 2*cm]
    ))
    story.append(sp(0.3))

    # ══════════════════════════════════════════════════════════════════════
    # SECTION 9 — REFERENCE TABLE
    # ══════════════════════════════════════════════════════════════════════
    story.append(divider())
    story.append(sec_bar('९. सन्दर्भ सूची',
                         'Section 9: References', colors.HexColor('#374151'), s))
    story.append(sp(0.2))

    story.append(dtable(
        ['ग्रन्थ / Source', 'अध्याय / Chapter', 'विषय'],
        [
            ['काश्यप संहिता', 'सूत्रस्थान 19', 'स्तन्य वर्ण, रस, शुद्धि, स्तन्यवर्धक'],
            ['चरक संहिता', 'चिकित्सास्थान 15/17', 'रस धातु से स्तन्य उत्पत्ति'],
            ['चरक संहिता', 'विमानस्थान 5/8', 'स्तन्य-वाह स्रोतस् — मूल एवं दुष्टि'],
            ['अष्टांग हृदयम्', 'शारीर 1', 'स्तन्यमार्तवसम्भूतं रसात्'],
            ['Creasy & Resnik MFM', 'Ch 10 (p.230), Ch 11 (p.244)', 'Prolactin levels, Let-down reflex, Initiating BF'],
            ['Ganong Physiology 26e', 'Ch 22 — Lactation', 'Effect of lactation on menstrual cycles, Prolactin'],
            ['WHO Guidelines', '2022', 'Early initiation BF within 1 hour'],
            ['AAP Policy', '2022', 'Breastfeeding & use of human milk'],
        ],
        s, cw=[5*cm, 4.5*cm, 7*cm]
    ))
    story.append(sp(0.4))

    # Closing box
    closing = Table([[Paragraph(
        '⚠️  Clinical Note: Breastfeeding should not cause pain. '
        'If pain persists, assess latch, rule out tongue-tie (ankyloglossia), thrush, and mastitis. '
        'Every mother should be trained in manual milk expression before hospital discharge. '
        'Avoid pacifiers and bottles in the first 4-6 weeks to prevent nipple confusion.\n\n'
        'आयुर्वेद में: माता को सात्विक, स्निग्ध, सुपाच्य आहार दें। '
        'चिंता एवं क्रोध से स्तन्य दूषित होता है — माता का मानसिक स्वास्थ्य अत्यन्त महत्त्वपूर्ण है।',
        ParagraphStyle('cl', fontName='Dev', fontSize=10.5, leading=18,
                       textColor=DNAVY))]], colWidths=[W-4*cm])
    closing.setStyle(TableStyle([
        ('BACKGROUND', (0,0),(-1,-1), LBLUE),
        ('BOX', (0,0),(-1,-1), 2, NAVY),
        ('TOPPADDING',   (0,0),(-1,-1), 12),('BOTTOMPADDING',(0,0),(-1,-1), 12),
        ('LEFTPADDING',  (0,0),(-1,-1), 14),('RIGHTPADDING', (0,0),(-1,-1), 14),
    ]))
    story.append(closing)
    story.append(sp(0.3))
    story.append(Paragraph(
        'PDF prepared by Orris AI  |  Sources: Kashyapa Samhita, Charaka Samhita, Ashtanga Hridayam, '
        "Creasy & Resnik's Maternal-Fetal Medicine, Ganong's Review of Medical Physiology",
        s['footer']))

    doc.build(story, onFirstPage=on_page, onLaterPages=on_page)
    print(f"✅ PDF: {out}")
    return out

if __name__ == '__main__':
    build()

Successfully replaced 1 instance(s) of the string in '/home/daytona/workspace/kashyap-pdf/stanyotpatti_pdf.py'

Successfully replaced 1 instance(s) of the string in '/home/daytona/workspace/kashyap-pdf/stanyotpatti_pdf.py'

Successfully replaced 1 instance(s) of the string in '/home/daytona/workspace/kashyap-pdf/stanyotpatti_pdf.py'

const pptxgen = require("pptxgenjs");
const fs = require("fs");
const path = require("path");

const pres = new pptxgen();
pres.layout = "LAYOUT_WIDE"; // 13.3 x 7.5 inches
pres.title = "Stanyotpatti — Ayurvedic & Modern Mechanisms";
pres.author = "Orris AI";

const IMGDIR = "/home/daytona/workspace/kashyap-pdf";

// ── Load images as base64 ────────────────────────────────────────────────────
function b64(filename) {
  const ext = path.extname(filename).slice(1).toLowerCase().replace("jpg","jpeg");
  const data = fs.readFileSync(path.join(IMGDIR, filename));
  return `data:image/${ext};base64,` + data.toString("base64");
}
const IMG = {
  prolactin: b64("img_prolactin.png"),
  neuro:     b64("img_neuro.png"),
  letdown:   b64("img_letdown.png"),
  reflex:    b64("img_reflex.jpg"),
  latch:     b64("img_latch.png"),
};

// ── COLOR PALETTE ────────────────────────────────────────────────────────────
const C = {
  deep_red:  "7F1D1D",
  saffron:   "B45309",
  gold:      "D97706",
  teal:      "0F766E",
  dteal:     "134E4A",
  navy:      "1E3A5F",
  purple:    "7C3AED",
  orange:    "EA580C",
  pink:      "DB2777",
  green:     "15803D",
  cream:     "FEF3C7",
  white:     "FFFFFF",
  dark:      "1C1917",
  light:     "F9FAFB",
  lblue:     "EFF6FF",
  lgreen:    "F0FDF4",
  lyellow:   "FEFCE8",
};

// ── Helpers ──────────────────────────────────────────────────────────────────
function hdr(s, text, sub, bgColor, textColor) {
  s.addShape(pres.ShapeType.rect, { x:0, y:0, w:"100%", h:0.85, fill:{color:bgColor} });
  s.addText(text, { x:0.3, y:0.05, w:12, h:0.5, fontSize:22, bold:true, color:textColor, fontFace:"Arial" });
  if (sub) s.addText(sub, { x:0.3, y:0.52, w:12, h:0.28, fontSize:10, color:C.cream, italic:true, fontFace:"Arial" });
}

function box(s, x, y, w, h, fill, border, radius) {
  s.addShape(pres.ShapeType.roundRect, {
    x, y, w, h,
    fill:{ color: fill },
    line:{ color: border, width: 1.5 },
    rectRadius: radius || 0.12
  });
}

function arrow(s, x1, y1, x2, y2, color) {
  s.addShape(pres.ShapeType.line, {
    x: x1, y: y1, w: x2-x1, h: y2-y1,
    line:{ color: color || C.gold, width: 2, endArrowType:"arrow" }
  });
}

function chip(s, x, y, w, h, text, bg, fg, sz) {
  box(s, x, y, w, h, bg, fg, 0.15);
  s.addText(text, { x, y, w, h, fontSize:sz||11, bold:true, color:fg, align:"center", valign:"middle", fontFace:"Arial" });
}

// ════════════════════════════════════════════════════════════════════════════
// SLIDE 1 — COVER
// ════════════════════════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  // Dark bg
  s.addShape(pres.ShapeType.rect, { x:0, y:0, w:"100%", h:"100%", fill:{color:C.deep_red} });
  // Gold stripe top
  s.addShape(pres.ShapeType.rect, { x:0, y:0, w:"100%", h:0.1, fill:{color:C.gold} });
  // Gold stripe bottom
  s.addShape(pres.ShapeType.rect, { x:0, y:7.4, w:"100%", h:0.1, fill:{color:C.gold} });

  // Om symbol
  s.addText("🔱", { x:5.7, y:0.3, w:2, h:1.5, fontSize:70, align:"center" });

  s.addText("स्तन्योत्पत्ति", {
    x:1, y:1.6, w:11.3, h:1.1, fontSize:46, bold:true, color:C.white,
    align:"center", fontFace:"Arial", charSpacing:3
  });
  s.addText("Stanyotpatti", {
    x:1, y:2.65, w:11.3, h:0.7, fontSize:28, bold:true, color:C.gold,
    align:"center", fontFace:"Arial"
  });
  s.addText("Ayurvedic & Modern Mechanisms | Stanya-vāha Srotas | Prolactin-Oxytocin | First-Hour Breastfeeding", {
    x:1, y:3.35, w:11.3, h:0.45, fontSize:13, color:C.cream,
    align:"center", fontFace:"Arial", italic:true
  });

  // 4 topic chips at bottom
  const chips = [
    ["🌿 Ayurvedic Theory", C.saffron],
    ["🧪 Modern Physiology", C.teal],
    ["🔄 Prolactin & Oxytocin", C.purple],
    ["👶 First Hour Steps", C.green],
  ];
  chips.forEach(([t, c], i) => {
    const x = 0.5 + i * 3.1;
    s.addShape(pres.ShapeType.roundRect, { x, y:4.1, w:2.9, h:0.7, fill:{color:c}, rectRadius:0.2 });
    s.addText(t, { x, y:4.1, w:2.9, h:0.7, fontSize:11, bold:true, color:C.white, align:"center", valign:"middle", fontFace:"Arial" });
  });

  s.addText("काश्यप संहिता  •  चरक संहिता  •  Creasy & Resnik MFM  •  Ganong Physiology", {
    x:1, y:5.1, w:11.3, h:0.35, fontSize:9.5, color:"AABBCC",
    align:"center", fontFace:"Arial", italic:true
  });

  // Mnemonic teaser
  s.addShape(pres.ShapeType.roundRect, { x:2.5, y:5.6, w:8.3, h:1.0, fill:{color:"2D0A00"}, rectRadius:0.2 });
  s.addText("🧠 MEMORY TRICK:", { x:2.7, y:5.65, w:2.2, h:0.4, fontSize:11, bold:true, color:C.gold, fontFace:"Arial" });
  s.addText('"RSPV" = Rasa → Stanya → Prolactin → Vāha Srotas', {
    x:4.8, y:5.65, w:6, h:0.4, fontSize:11, color:C.cream, fontFace:"Arial"
  });
  s.addText("Stanyotpatti needs: Rasa + Srotas + Prolactin + Vāyu (let-down)", {
    x:2.7, y:6.05, w:8, h:0.4, fontSize:10, color:"CCDDCC", fontFace:"Arial", italic:true
  });
}

// ════════════════════════════════════════════════════════════════════════════
// SLIDE 2 — AYURVEDIC MECHANISM FLOWCHART
// ════════════════════════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x:0, y:0, w:"100%", h:"100%", fill:{color:C.lyellow} });
  hdr(s, "🌿  आयुर्वेदीय स्तन्योत्पत्ति — Flowchart",
        "Stanya Formation: Rasa Dhatu → Stanya (काश्यप + चरक + अष्टांग हृदयम्)", C.saffron, C.white);

  // FLOWCHART — vertical chain
  const steps = [
    { label:"आहार\n(Food/Diet)", color:C.green,   icon:"🌾" },
    { label:"रस धातु\n(Rasa Dhatu)", color:C.teal,    icon:"💧" },
    { label:"रक्त + पित्त\n(Processing)", color:C.orange,  icon:"🔥" },
    { label:"ओज / स्नेह\n(Ojas/Fat)", color:C.purple,  icon:"✨" },
    { label:"स्तन्य\n(Stanya/Milk)", color:C.deep_red, icon:"🍼" },
  ];

  steps.forEach((st, i) => {
    const x = 0.4 + i * 2.5;
    const y = 1.2;
    // Box
    s.addShape(pres.ShapeType.roundRect, { x, y, w:2.1, h:1.3, fill:{color:st.color}, rectRadius:0.18 });
    s.addText(st.icon, { x, y:y+0.05, w:2.1, h:0.55, fontSize:26, align:"center" });
    s.addText(st.label, { x, y:y+0.6, w:2.1, h:0.65, fontSize:11, bold:true, color:C.white, align:"center", valign:"middle", fontFace:"Arial" });
    // Arrow (except last)
    if (i < steps.length - 1) {
      arrow(s, x+2.12, y+0.65, x+2.48, y+0.65, C.gold);
    }
  });

  // MNEMONIC BOX
  s.addShape(pres.ShapeType.roundRect, { x:0.3, y:2.8, w:5.8, h:2.0, fill:{color:"FFF9EC"}, line:{color:C.gold, width:2}, rectRadius:0.18 });
  s.addText("🧠 MNEMONIC: \"ARPOV\"", { x:0.5, y:2.85, w:5.4, h:0.4, fontSize:13, bold:true, color:C.saffron, fontFace:"Arial" });
  const mnem = [
    ["A", "Ahara (food) is the raw material"],
    ["R", "Rasa Dhatu — first product"],
    ["P", "Pitta — processes/transforms rasa"],
    ["O", "Ojas (sneha) — adds immunity + fat"],
    ["V", "Vāha Srotas — delivers to breast"],
  ];
  mnem.forEach(([letter, meaning], i) => {
    s.addShape(pres.ShapeType.ellipse, { x:0.5, y:3.3+i*0.37, w:0.32, h:0.32, fill:{color:C.saffron} });
    s.addText(letter, { x:0.5, y:3.3+i*0.37, w:0.32, h:0.32, fontSize:10, bold:true, color:C.white, align:"center", valign:"middle" });
    s.addText(meaning, { x:0.9, y:3.3+i*0.37, w:5.0, h:0.32, fontSize:10, color:C.dark, valign:"middle", fontFace:"Arial" });
  });

  // SHLOKA BOX
  s.addShape(pres.ShapeType.roundRect, { x:6.4, y:1.0, w:6.6, h:4.1, fill:{color:"FFF7ED"}, line:{color:C.saffron, width:2}, rectRadius:0.18 });
  s.addText("📜 मुख्य श्लोक", { x:6.5, y:1.05, w:6.4, h:0.4, fontSize:13, bold:true, color:C.deep_red, fontFace:"Arial" });

  s.addText("रसादेव स्तन्यमुत्पद्यते नित्यं\nरक्तसमानगुणं हि तत् ।\nस्नेहेन पित्तेन च संस्कृतं\nक्षीरत्वमाप्नोति शुभं सदा ॥", {
    x:6.5, y:1.5, w:6.3, h:1.3, fontSize:12, color:C.deep_red, align:"center", fontFace:"Arial", italic:true
  });
  s.addText("— काश्यप संहिता, सूत्रस्थान", { x:6.5, y:2.82, w:6.3, h:0.3, fontSize:9, color:C.saffron, align:"center", fontFace:"Arial", italic:true });

  s.addShape(pres.ShapeType.rect, { x:6.7, y:3.2, w:6.0, h:0.03, fill:{color:C.gold} });
  s.addText("स्तन्यं च रजसा सार्धं रसात्\nसञ्जायते सदा ।", {
    x:6.5, y:3.3, w:6.3, h:0.7, fontSize:12, color:C.teal, align:"center", fontFace:"Arial", italic:true
  });
  s.addText("— चरक संहिता, चिकित्सा १५/१७", { x:6.5, y:4.0, w:6.3, h:0.3, fontSize:9, color:C.teal, align:"center", fontFace:"Arial", italic:true });

  s.addText("स्तन्यमार्तवसम्भूतं रसात् स्त्रीणां\nस्तन्यवाहिभिः श्रोतोभिः सम्प्रवर्तते ।", {
    x:6.5, y:4.4, w:6.3, h:0.6, fontSize:11, color:C.navy, align:"center", fontFace:"Arial", italic:true
  });
  s.addText("— अष्टांग हृदयम्, शारीर १", { x:6.5, y:4.95, w:6.3, h:0.25, fontSize:9, color:C.navy, align:"center", fontFace:"Arial", italic:true });

  // Bottom note
  s.addText("💡 KEY: Stanya = Rasa + Artava (menses stop) + Pitta processing + Sneha/Ojas", {
    x:0.3, y:5.1, w:12.7, h:0.4, fontSize:11, bold:true, color:C.teal, align:"center", fontFace:"Arial"
  });
}

// ════════════════════════════════════════════════════════════════════════════
// SLIDE 3 — STANYA-VĀHA SROTAS
// ════════════════════════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x:0, y:0, w:"100%", h:"100%", fill:{color:C.lblue} });
  hdr(s, "🔗  स्तन्य-वाह स्रोतस् — Stanya-vāha Srotas",
        "Channels that carry breast milk | Charaka Vimana 5/8 + Ashtanga Hridayam", C.navy, C.white);

  // Central anatomy diagram (manual shapes)
  // Heart/chest center
  s.addShape(pres.ShapeType.ellipse, { x:5.4, y:1.2, w:2.5, h:2.0, fill:{color:C.navy} });
  s.addText("🫀\nस्तन / उरस्\n(Breast / Chest)\nHEART CENTER\n= मूल", {
    x:5.4, y:1.2, w:2.5, h:2.0, fontSize:10, bold:true, color:C.white, align:"center", valign:"middle", fontFace:"Arial"
  });

  // Arrows from center to 3 outputs
  // Rasa Dhatu input
  s.addShape(pres.ShapeType.roundRect, { x:0.3, y:1.5, w:2.8, h:0.9, fill:{color:C.teal}, rectRadius:0.12 });
  s.addText("💧 रस धातु\n(Rasa Dhatu Input)", { x:0.3, y:1.5, w:2.8, h:0.9, fontSize:10, bold:true, color:C.white, align:"center", valign:"middle", fontFace:"Arial" });
  arrow(s, 3.12, 1.95, 5.38, 2.2, C.teal);

  // Artava
  s.addShape(pres.ShapeType.roundRect, { x:0.3, y:2.8, w:2.8, h:0.9, fill:{color:C.pink}, rectRadius:0.12 });
  s.addText("🌸 आर्तव\n(Artava / Hormones)", { x:0.3, y:2.8, w:2.8, h:0.9, fontSize:10, bold:true, color:C.white, align:"center", valign:"middle", fontFace:"Arial" });
  arrow(s, 3.12, 3.25, 5.38, 2.7, C.pink);

  // Outputs
  s.addShape(pres.ShapeType.roundRect, { x:8.3, y:1.2, w:2.8, h:0.9, fill:{color:C.green}, rectRadius:0.12 });
  s.addText("✅ शुद्ध स्तन्य\n(Pure Milk Output)", { x:8.3, y:1.2, w:2.8, h:0.9, fontSize:10, bold:true, color:C.white, align:"center", valign:"middle", fontFace:"Arial" });
  arrow(s, 7.92, 1.9, 8.28, 1.65, C.green);

  s.addShape(pres.ShapeType.roundRect, { x:8.3, y:2.4, w:2.8, h:0.9, fill:{color:C.deep_red}, rectRadius:0.12 });
  s.addText("❌ दुष्ट स्तन्य\n(Vitiated Milk)", { x:8.3, y:2.4, w:2.8, h:0.9, fontSize:10, bold:true, color:C.white, align:"center", valign:"middle", fontFace:"Arial" });
  arrow(s, 7.92, 2.4, 8.28, 2.7, C.deep_red);

  // Srotas features table
  const features = [
    ["मूल (Origin)", "स्तन + उरस् + हृदय", "Mammary gland + thoracic"],
    ["कार्य (Function)", "रस → स्तन्य delivery", "Secretory pathway"],
    ["दुष्टि लक्षण", "अति/अल्प/विकृत स्तन्य", "Engorgement / Hypogal. / Mastitis"],
    ["शोधक द्रव्य", "शतावरी, जीवन्ती, विदारी", "Galactagogues"],
  ];

  s.addShape(pres.ShapeType.rect, { x:0.3, y:3.9, w:12.7, h:0.35, fill:{color:C.navy} });
  s.addText("स्तन्य-वाह स्रोतस् — Quick Reference", { x:0.3, y:3.9, w:12.7, h:0.35, fontSize:12, bold:true, color:C.white, align:"center", fontFace:"Arial" });

  features.forEach(([a,b,c], i) => {
    const y = 4.28 + i*0.42;
    const bg = i%2===0 ? "EFF6FF" : "FFFFFF";
    s.addShape(pres.ShapeType.rect, { x:0.3, y, w:12.7, h:0.42, fill:{color:bg} });
    s.addText(a, { x:0.35, y:y+0.04, w:3.5, h:0.34, fontSize:10, bold:true, color:C.navy, fontFace:"Arial" });
    s.addText(b, { x:3.9,  y:y+0.04, w:4.5, h:0.34, fontSize:10, color:C.dark, fontFace:"Arial" });
    s.addText(c, { x:8.4,  y:y+0.04, w:4.5, h:0.34, fontSize:10, color:C.teal, italic:true, fontFace:"Arial" });
  });

  // Shloka
  s.addShape(pres.ShapeType.roundRect, { x:0.3, y:6.6, w:12.7, h:0.75, fill:{color:"FFF7ED"}, line:{color:C.saffron, width:1.5}, rectRadius:0.12 });
  s.addText("📜  स्तन्यवाहीनि स्रोतांसि स्तनयोः मूलमाश्रिता । उरसि चैव हृदये — स्तन्यवाहीनि सन्ति हि ॥  — चरक, विमान ५/८", {
    x:0.5, y:6.65, w:12.3, h:0.65, fontSize:11, color:C.deep_red, align:"center", italic:true, fontFace:"Arial"
  });
}

// ════════════════════════════════════════════════════════════════════════════
// SLIDE 4 — MODERN PHYSIOLOGY: LACTOGENESIS STAGES
// ════════════════════════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x:0, y:0, w:"100%", h:"100%", fill:{color:"F8F9FF"} });
  hdr(s, "🧬  Lactogenesis — Three Stages (Modern Science)",
        "आधुनिक स्तन्योत्पत्ति के तीन चरण — with Ayurvedic Parallel", C.navy, C.white);

  const stages = [
    {
      no:"I", title:"Lactogenesis I", timing:"16–22 wks pregnancy",
      hormone:"Prolactin ↑\nProgesterone blocks", what:"Colostrum forms\n(पीयूष निर्माण)",
      ayur:"रस धातु परिपाक\nप्रारम्भ", color:C.teal, icon:"🌱"
    },
    {
      no:"II", title:"Lactogenesis II", timing:"0–72 hrs postpartum",
      hormone:"Prolactin ↑↑\nEstrogen/Prog ↓↓", what:"\"Milk comes in\"\nBIG volume starts",
      ayur:"आर्तव निवृत्ति =\nस्तन्य प्रवृत्ति", color:C.orange, icon:"🍼"
    },
    {
      no:"III", title:"Galactopoiesis", timing:"Day 4 onwards",
      hormone:"Prolactin surges\nwith each feed\n+ Autocrine FIL", what:"Demand = Supply\nMaintained by suckling",
      ayur:"स्तन्य-वाह स्रोतस्\nनित्य प्रवाह", color:C.purple, icon:"♾️"
    },
  ];

  stages.forEach((st, i) => {
    const x = 0.4 + i * 4.2;
    const y = 1.0;

    // Card
    s.addShape(pres.ShapeType.roundRect, { x, y, w:3.9, h:5.5, fill:{color:"FFFFFF"}, line:{color:st.color, width:2.5}, rectRadius:0.2 });
    // Header
    s.addShape(pres.ShapeType.roundRect, { x, y, w:3.9, h:1.0, fill:{color:st.color}, rectRadius:0.2 });
    s.addText(`${st.icon}  Stage ${st.no}`, { x, y:y+0.05, w:3.9, h:0.5, fontSize:18, bold:true, color:C.white, align:"center", fontFace:"Arial" });
    s.addText(st.title, { x, y:y+0.55, w:3.9, h:0.4, fontSize:11, color:C.cream, align:"center", fontFace:"Arial" });

    // Content rows
    const rows = [
      ["⏰ Timing", st.timing],
      ["💊 Hormones", st.hormone],
      ["🔬 What happens", st.what],
      ["🌿 Ayurvedic", st.ayur],
    ];
    rows.forEach(([label, val], j) => {
      s.addText(label+":", { x:x+0.15, y:y+1.1+j*1.05, w:3.6, h:0.35, fontSize:9, bold:true, color:st.color, fontFace:"Arial" });
      s.addText(val, { x:x+0.15, y:y+1.45+j*1.05, w:3.6, h:0.55, fontSize:10, color:C.dark, fontFace:"Arial" });
    });
  });

  // Mnemonic strip
  s.addShape(pres.ShapeType.rect, { x:0, y:6.8, w:"100%", h:0.7, fill:{color:C.navy} });
  s.addText("🧠 TRICK: \"PIPE\" — Progesterone Inhibits but Postpartum Estrogen-drop Opens → Prolactin Erupts → Establish BF", {
    x:0.5, y:6.85, w:12.3, h:0.55, fontSize:12, bold:true, color:C.gold, align:"center", fontFace:"Arial"
  });
}

// ════════════════════════════════════════════════════════════════════════════
// SLIDE 5 — PROLACTIN PHYSIOLOGY + IMAGE
// ════════════════════════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x:0, y:0, w:"100%", h:"100%", fill:{color:"FDF4FF"} });
  hdr(s, "💜  Prolactin — Milk Production Hormone",
        "Anterior Pituitary | Lactocytes stimulation | Suckling feedback loop", C.purple, C.white);

  // LEFT: mechanism flowchart
  const chain = [
    { label:"👶 Suckling\n(शिशु चूसना)", color:C.teal },
    { label:"🦷 Nipple\nMechanoreceptors", color:C.navy },
    { label:"🧠 Hypothalamus\n(↓ Dopamine/PIF)", color:C.purple },
    { label:"🏥 Anterior\nPituitary", color:C.orange },
    { label:"💜 PROLACTIN\nReleased ↑", color:C.deep_red },
    { label:"🍼 Lactocytes\nMake Milk", color:C.green },
  ];
  chain.forEach((c, i) => {
    const x = 0.35;
    const y = 0.95 + i * 0.95;
    s.addShape(pres.ShapeType.roundRect, { x, y, w:3.0, h:0.72, fill:{color:c.color}, rectRadius:0.14 });
    s.addText(c.label, { x, y, w:3.0, h:0.72, fontSize:10, bold:true, color:C.white, align:"center", valign:"middle", fontFace:"Arial" });
    if (i < chain.length-1) {
      arrow(s, x+1.5, y+0.73, x+1.5, y+0.94, C.gold);
    }
  });

  // Key facts
  s.addShape(pres.ShapeType.roundRect, { x:3.7, y:0.95, w:4.5, h:5.3, fill:{color:"FFFFFF"}, line:{color:C.purple, width:1.5}, rectRadius:0.15 });
  s.addText("📊 Prolactin — Key Facts", { x:3.8, y:1.0, w:4.3, h:0.4, fontSize:12, bold:true, color:C.purple, fontFace:"Arial" });
  const facts = [
    ["Normal", "<25 ng/mL"],
    ["1st Trimester", "125–180 ng/mL"],
    ["At Delivery", "200–250 ng/mL"],
    ["Non-BF (3-4wk)", "Returns to normal"],
    ["Breastfeeding", "Surge each feed"],
    ["Inhibitor", "Dopamine (PIF)"],
    ["Ayurvedic =", "पित्त + रस → स्तन्य"],
    ["Effect", "Suppresses ovulation"],
  ];
  facts.forEach(([k,v], i) => {
    const fy = 1.5 + i*0.58;
    const bg = i%2===0 ? "F5F0FF" : "FFFFFF";
    s.addShape(pres.ShapeType.rect, { x:3.75, y:fy, w:4.4, h:0.58, fill:{color:bg} });
    s.addText(k, { x:3.8, y:fy+0.08, w:2.0, h:0.42, fontSize:10, bold:true, color:C.purple, fontFace:"Arial" });
    s.addText(v, { x:5.85, y:fy+0.08, w:2.2, h:0.42, fontSize:10, color:C.dark, fontFace:"Arial" });
  });

  // RIGHT: Textbook image
  s.addImage({ data: IMG.prolactin, x:8.5, y:0.95, w:4.5, h:3.5 });
  s.addText("Fig: PRL levels — pregnancy to postpartum\n(Creasy & Resnik MFM, Fig 10.12)", {
    x:8.5, y:4.5, w:4.5, h:0.6, fontSize:8, color:C.purple, align:"center", italic:true, fontFace:"Arial"
  });

  // Mnemonic
  s.addShape(pres.ShapeType.roundRect, { x:8.3, y:5.2, w:4.7, h:1.55, fill:{color:"2D0050"}, rectRadius:0.18 });
  s.addText("🧠 TRICK: \"SuHAP Milk\"", { x:8.4, y:5.25, w:4.5, h:0.45, fontSize:12, bold:true, color:C.gold, fontFace:"Arial" });
  s.addText("Su = Suckling\nH = Hypothalamus ↓Dopamine\nA = Anterior Pituitary\nP = Prolactin ↑\nMilk = Lactocytes produce!", {
    x:8.4, y:5.7, w:4.5, h:0.95, fontSize:9.5, color:C.cream, fontFace:"Arial"
  });
}

// ════════════════════════════════════════════════════════════════════════════
// SLIDE 6 — OXYTOCIN + LET-DOWN REFLEX FLOWCHART
// ════════════════════════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x:0, y:0, w:"100%", h:"100%", fill:{color:"FFF8F0"} });
  hdr(s, "🔄  Oxytocin & Let-Down Reflex — Complete Flowchart",
        "Milk Ejection Reflex | Neuroendocrine pathway | Inhibitors & Stimulators", C.orange, C.white);

  // FLOWCHART — horizontal
  const steps = [
    { t:"👶 Suckling\n+ Baby cry/smell", c:C.teal },
    { t:"🦷 Nipple\nMechanoreceptors", c:C.navy },
    { t:"⬆️ Spinal cord\n→ Hypothalamus\n(PVN)", c:C.purple },
    { t:"🏥 Posterior\nPituitary", c:C.orange },
    { t:"💉 OXYTOCIN\ninto blood", c:C.deep_red },
    { t:"💪 Myoepithelial\ncells CONTRACT", c:C.green },
    { t:"🍼 MILK\nEJECTED!", c:C.saffron },
  ];
  steps.forEach((st, i) => {
    const x = 0.25 + i*1.83;
    const y = 1.0;
    s.addShape(pres.ShapeType.roundRect, { x, y, w:1.65, h:1.2, fill:{color:st.c}, rectRadius:0.15 });
    s.addText(st.t, { x, y, w:1.65, h:1.2, fontSize:9, bold:true, color:C.white, align:"center", valign:"middle", fontFace:"Arial" });
    if (i < steps.length-1) {
      arrow(s, x+1.66, y+0.6, x+1.82, y+0.6, C.gold);
    }
  });

  // Inhibitors & Stimulators
  s.addShape(pres.ShapeType.roundRect, { x:0.3, y:2.5, w:5.8, h:1.7, fill:{color:"FEE2E2"}, line:{color:C.deep_red, width:1.5}, rectRadius:0.15 });
  s.addText("❌ Let-Down INHIBITORS", { x:0.4, y:2.55, w:5.6, h:0.4, fontSize:12, bold:true, color:C.deep_red, fontFace:"Arial" });
  const inhibs = ["😰 Stress / Anxiety / Fear", "😣 Pain", "💊 Adrenaline (vasoconstriction)", "🧊 Cold environment"];
  inhibs.forEach((t,i) => s.addText("• "+t, { x:0.5, y:3.0+i*0.3, w:5.4, h:0.3, fontSize:10, color:C.dark, fontFace:"Arial" }));

  s.addShape(pres.ShapeType.roundRect, { x:6.5, y:2.5, w:6.4, h:1.7, fill:{color:C.lgreen}, line:{color:C.green, width:1.5}, rectRadius:0.15 });
  s.addText("✅ Let-Down STIMULATORS", { x:6.6, y:2.55, w:6.2, h:0.4, fontSize:12, bold:true, color:C.green, fontFace:"Arial" });
  const stims = ["👶 Suckling (primary)", "😢 Baby's cry (conditioned reflex!)", "👁️ Seeing/smelling baby", "🧘 Relaxation, warm compress", "💕 Skin-to-skin contact"];
  stims.forEach((t,i) => s.addText("• "+t, { x:6.6, y:3.0+i*0.3, w:6.1, h:0.3, fontSize:10, color:C.dark, fontFace:"Arial" }));

  // Textbook image
  s.addImage({ data: IMG.letdown, x:0.3, y:4.3, w:6.0, h:2.8 });
  s.addText("Neuroendocrine control of milk ejection\n(Creasy & Resnik Fig 11.5)", {
    x:0.3, y:7.1, w:6.0, h:0.35, fontSize:8, color:C.orange, align:"center", italic:true, fontFace:"Arial"
  });

  // Prolactin vs Oxytocin compare
  s.addShape(pres.ShapeType.rect, { x:6.5, y:4.3, w:6.5, h:0.38, fill:{color:C.navy} });
  s.addText("Prolactin vs Oxytocin — Quick Compare", { x:6.5, y:4.3, w:6.5, h:0.38, fontSize:11, bold:true, color:C.white, align:"center", fontFace:"Arial" });
  const compare = [
    ["Feature","Prolactin 💜","Oxytocin 🔶"],
    ["Pituitary","Anterior","Posterior"],
    ["Job","Makes Milk","Ejects Milk"],
    ["Stimulus","Suckling only","Suckling + sight/sound"],
    ["Ayurvedic","पित्त → निर्माण","वायु → प्रवाह"],
    ["Stress effect","Mild","BLOCKS let-down"],
  ];
  compare.forEach((row, ri) => {
    const ry = 4.68 + ri*0.42;
    const bg = ri===0 ? C.navy : (ri%2===0 ? "EFF6FF" : "FFFFFF");
    s.addShape(pres.ShapeType.rect, { x:6.5, y:ry, w:6.5, h:0.42, fill:{color:bg} });
    row.forEach((cell, ci) => {
      const fcolor = ri===0 ? C.gold : C.dark;
      s.addText(cell, { x:6.55+ci*2.15, y:ry+0.06, w:2.1, h:0.3, fontSize:9.5, bold:ri===0, color:fcolor, align:"center", fontFace:"Arial" });
    });
  });

  // Mnemonic
  s.addShape(pres.ShapeType.roundRect, { x:6.5, y:7.15, w:6.5, h:0.3, fill:{color:C.orange}, rectRadius:0.1 });
  s.addText("🧠 OT = Order To Eject  |  PRL = PRoduction Launched", {
    x:6.5, y:7.15, w:6.5, h:0.3, fontSize:10, bold:true, color:C.white, align:"center", fontFace:"Arial"
  });
}

// ════════════════════════════════════════════════════════════════════════════
// SLIDE 7 — PROLACTIN + LET-DOWN COMBINED DIAGRAM (Textbook)
// ════════════════════════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x:0, y:0, w:"100%", h:"100%", fill:{color:"0D1B2A"} });
  hdr(s, "📸  Neuroendocrine Control — Complete Diagram",
        "Let-Down Reflex Arc: Suckling → Hypothalamus → Oxytocin → Myoepithelial contraction", C.teal, C.white);

  // Image 1: Let-down reflex diagram
  s.addImage({ data: IMG.reflex, x:0.3, y:0.95, w:7.8, h:5.5 });
  s.addText("Let-Down (Oxytocin) Reflex — complete pathway\n(OpenStax Anatomy & Physiology)", {
    x:0.3, y:6.5, w:7.8, h:0.4, fontSize:8.5, color:"88BBDD", align:"center", italic:true, fontFace:"Arial"
  });

  // Image 2: Let-down arc
  s.addImage({ data: IMG.neuro, x:8.4, y:0.95, w:4.7, h:4.0 });
  s.addText("Neuroendocrine control of milk ejection\n(Creasy & Resnik MFM, Fig 11.5)", {
    x:8.4, y:5.0, w:4.7, h:0.35, fontSize:8, color:"88BBDD", align:"center", italic:true, fontFace:"Arial"
  });

  // Key concept boxes
  const kc = [
    ["💜 Prolactin", "Anterior Pituitary\nMakes milk in lactocytes", C.purple],
    ["🔶 Oxytocin", "Posterior Pituitary\nEjects milk (myoepithelial)", C.orange],
    ["🔄 Positive Loop", "More suckling =\nMore prolactin = More milk", C.green],
  ];
  kc.forEach((k, i) => {
    const x = 8.4 + i * 0.01; // stack them vertically
    s.addShape(pres.ShapeType.roundRect, { x:8.4, y:5.4+i*0.68, w:4.7, h:0.6, fill:{color:k[2]}, rectRadius:0.12 });
    s.addText(k[0]+": "+k[1], { x:8.4, y:5.42+i*0.68, w:4.7, h:0.56, fontSize:9, bold:true, color:C.white, align:"center", valign:"middle", fontFace:"Arial" });
  });
}

// ════════════════════════════════════════════════════════════════════════════
// SLIDE 8 — FIRST HOUR BREASTFEEDING — CLINICAL STEPS
// ════════════════════════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x:0, y:0, w:"100%", h:"100%", fill:{color:C.lgreen} });
  hdr(s, "👶  First-Hour Breastfeeding — Clinical Steps",
        "WHO Recommendation: Initiate breastfeeding within 1 hour of birth | काश्यप: जातमात्रस्य शिशोः स्तन्यं देयं तत्क्षणमेव हि ॥", C.teal, C.white);

  // MNEMONIC banner
  s.addShape(pres.ShapeType.roundRect, { x:0.3, y:0.95, w:12.7, h:0.62, fill:{color:C.navy}, rectRadius:0.15 });
  s.addText('🧠 MNEMONIC: "SSCALE" = Skin-to-skin → Cord delay → Cues watch → Assist latch → Let feed → Express/Support', {
    x:0.4, y:0.98, w:12.5, h:0.55, fontSize:11.5, bold:true, color:C.gold, align:"center", fontFace:"Arial"
  });

  // 6 step cards in 2 rows × 3 cols
  const steps6 = [
    { no:"S", title:"Skin-to-Skin Contact", time:"0–5 min", body:"Newborn prone on mother's chest\nTemperature + bonding + OT surge\nAyurveda: स्पर्श → स्तन्य प्रवाह", color:C.teal, icon:"🤱" },
    { no:"S", title:"Cord Clamping Delay", time:"1–3 min", body:"Wait ≥60 sec before cutting\nExtra 80-100 mL blood to baby\nAyurveda: नाभिनाल — प्राण-वाह!", color:C.navy, icon:"🩺" },
    { no:"C", title:"Watch Feeding Cues", time:"5–30 min", body:"Rooting, mouth open, hand-to-mouth\nCrying = LATE hunger sign\nAyurveda: शिशु-संकेत पहचानें", color:C.purple, icon:"👁️" },
    { no:"A", title:"Assist Good Latch", time:"30–45 min", body:"Tickle lips → Wide mouth open\nFull areola in (not just nipple)\nNo pain = correct latch!", color:C.orange, icon:"👄" },
    { no:"L", title:"Let Feed Complete", time:"45–60 min", body:"Don't watch clock — baby decides\nTerm baby: quietly alert 1st hour\n8–12 feeds per 24 hrs normal", color:C.green, icon:"⏰" },
    { no:"E", title:"Express + Educate", time:"Before discharge", body:"Teach manual expression\nRooming-in (mother + baby together)\nAvoid formula/pacifier 4–6 weeks", color:C.deep_red, icon:"📚" },
  ];

  steps6.forEach((st, i) => {
    const col = i % 3;
    const row = Math.floor(i / 3);
    const x = 0.3 + col * 4.35;
    const y = 1.68 + row * 2.8;
    // Card
    s.addShape(pres.ShapeType.roundRect, { x, y, w:4.1, h:2.55, fill:{color:"FFFFFF"}, line:{color:st.color, width:2}, rectRadius:0.18 });
    // Header strip
    s.addShape(pres.ShapeType.roundRect, { x, y, w:4.1, h:0.72, fill:{color:st.color}, rectRadius:0.18 });
    s.addText(`${st.icon}  ${st.no} — ${st.title}`, { x:x+0.1, y:y+0.05, w:3.9, h:0.4, fontSize:12, bold:true, color:C.white, align:"center", fontFace:"Arial" });
    s.addText(`⏱ ${st.time}`, { x:x+0.1, y:y+0.45, w:3.9, h:0.28, fontSize:9, color:C.cream, align:"center", fontFace:"Arial" });
    s.addText(st.body, { x:x+0.15, y:y+0.8, w:3.8, h:1.6, fontSize:9.5, color:C.dark, fontFace:"Arial", valign:"top" });
  });
}

// ════════════════════════════════════════════════════════════════════════════
// SLIDE 9 — LATCH TECHNIQUE IMAGE + COLOSTRUM
// ════════════════════════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x:0, y:0, w:"100%", h:"100%", fill:{color:"FFFDF0"} });
  hdr(s, "🍼  Good Latch + Colostrum (पीयूष) — Visual Guide",
        "Correct Latch Technique | Colostrum properties | Shloka reference", C.saffron, C.white);

  // Latch image
  s.addImage({ data: IMG.latch, x:0.3, y:0.95, w:6.5, h:4.5 });
  s.addText("Fig: Getting a Good Latch — (a) Tickle lips (b) Chin-led latch (c) Full areola mouthful\nSource: Creasy & Resnik MFM, Fig 11.8", {
    x:0.3, y:5.5, w:6.5, h:0.4, fontSize:8.5, color:C.saffron, align:"center", italic:true, fontFace:"Arial"
  });

  // RIGHT: Colostrum table
  s.addShape(pres.ShapeType.rect, { x:7.1, y:0.95, w:5.9, h:0.42, fill:{color:C.gold} });
  s.addText("🟡 Colostrum / पीयूष — Properties", { x:7.1, y:0.95, w:5.9, h:0.42, fontSize:12, bold:true, color:C.white, align:"center", fontFace:"Arial" });

  const colos = [
    ["रंग / Color","Yellow (पीत)","Beta-carotene"],
    ["मात्रा","2–20 mL/feed","Day 1–3"],
    ["Protein","बलप्रद (high)","≈10g/100mL"],
    ["IgA","सर्वरोग-निवारक","sIgA >> mature milk"],
    ["Laxative","कोष्ठशोधक","Meconium passage"],
    ["Lactoferrin","Antimicrobial","Gut colonisation"],
  ];
  colos.forEach((row, i) => {
    const ry = 1.4 + i * 0.5;
    const bg = i%2===0 ? "FEFCE8" : "FFFFFF";
    s.addShape(pres.ShapeType.rect, { x:7.1, y:ry, w:5.9, h:0.5, fill:{color:bg} });
    row.forEach((cell, ci) => {
      s.addText(cell, { x:7.15+ci*1.95, y:ry+0.06, w:1.9, h:0.38, fontSize:9.5, bold:ci===0, color:ci===0?C.saffron:C.dark, fontFace:"Arial", align:"center" });
    });
  });

  // Shloka
  s.addShape(pres.ShapeType.roundRect, { x:7.1, y:4.55, w:5.9, h:1.4, fill:{color:"FFF7ED"}, line:{color:C.saffron, width:2}, rectRadius:0.15 });
  s.addText("📜  पीयूषः पीतवर्णश्च गुरुः स्निग्धो बलप्रदः ।\nप्रथमं स्तन्यमेतद्धि सर्वरोगनिवारणम् ॥\nजन्तुः पीयूषपानेन दीर्घायुर्जायते ध्रुवम् ॥", {
    x:7.2, y:4.6, w:5.7, h:1.0, fontSize:11, color:C.deep_red, align:"center", italic:true, fontFace:"Arial"
  });
  s.addText("— काश्यप संहिता / अष्टांग संग्रह", { x:7.2, y:5.6, w:5.7, h:0.28, fontSize:9, color:C.saffron, align:"center", italic:true, fontFace:"Arial" });

  // Latch mnemonic
  s.addShape(pres.ShapeType.roundRect, { x:7.1, y:6.05, w:5.9, h:0.85, fill:{color:C.navy}, rectRadius:0.15 });
  s.addText("🧠 LATCH Score (Assessment):", { x:7.2, y:6.1, w:5.7, h:0.35, fontSize:11, bold:true, color:C.gold, fontFace:"Arial" });
  s.addText("L=Latch  A=Audible swallow  T=Type of nipple  C=Comfort  H=Hold/positioning", {
    x:7.2, y:6.45, w:5.7, h:0.4, fontSize:9.5, color:C.cream, fontFace:"Arial"
  });
}

// ════════════════════════════════════════════════════════════════════════════
// SLIDE 10 — MASTER MEMORY FLOWCHART (ALL IN ONE)
// ════════════════════════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x:0, y:0, w:"100%", h:"100%", fill:{color:"060D2E"} });
  hdr(s, "🧠  MASTER FLOWCHART — Remember Everything",
        "One-page visual summary | Stanyotpatti → Srotas → Prolactin → Oxytocin → First Hour", C.gold, C.dark);

  // === ROW 1: AYURVEDIC CHAIN ===
  s.addText("AYURVEDIC PATHWAY 🌿", { x:0.3, y:0.9, w:3, h:0.35, fontSize:10, bold:true, color:C.gold, fontFace:"Arial" });
  const ay = [
    ["Ahara\n(Food)", C.green],
    ["Rasa\nDhatu", C.teal],
    ["+ Pitta\n+ Ojas", C.orange],
    ["Stanya-vāha\nSrotas", C.navy],
    ["🍼 Stanya\n(Milk)", C.deep_red],
  ];
  ay.forEach((a, i) => {
    const x = 0.3 + i*2.5;
    s.addShape(pres.ShapeType.roundRect, { x, y:1.3, w:2.1, h:0.85, fill:{color:a[1]}, rectRadius:0.14 });
    s.addText(a[0], { x, y:1.3, w:2.1, h:0.85, fontSize:10, bold:true, color:C.white, align:"center", valign:"middle", fontFace:"Arial" });
    if (i<ay.length-1) arrow(s, x+2.12, 1.73, x+2.48, 1.73, C.gold);
  });
  // Mnemonic right
  s.addShape(pres.ShapeType.roundRect, { x:12.9-3.0, y:1.2, w:3.1, h:0.95, fill:{color:"1A1200"}, rectRadius:0.15 });
  s.addText("🧠 ARPOV\nA-R-P-O-V = Ahara→Rasa→Pitta→Ojas→Vāha", {
    x:10.05, y:1.25, w:3.0, h:0.85, fontSize:9, color:C.gold, fontFace:"Arial", align:"center"
  });

  // === ROW 2: MODERN CHAIN ===
  s.addShape(pres.ShapeType.rect, { x:0, y:2.3, w:"100%", h:0.03, fill:{color:C.gold} });
  s.addText("MODERN PATHWAY 🔬", { x:0.3, y:2.38, w:3, h:0.35, fontSize:10, bold:true, color:C.teal, fontFace:"Arial" });

  const mod = [
    ["Suckling\n👶", C.teal],
    ["Hypothalamus\n↓Dopamine", C.purple],
    ["Ant.Pit.\n💜PRL↑", C.purple],
    ["Lactocytes\nmake milk", C.navy],
    ["Post.Pit.\n🔶OT↑", C.orange],
    ["Myoepithelial\ncontract", C.orange],
    ["MILK\nEJECTED🍼", C.deep_red],
  ];
  mod.forEach((m, i) => {
    const x = 0.3 + i*1.86;
    s.addShape(pres.ShapeType.roundRect, { x, y:2.78, w:1.65, h:0.9, fill:{color:m[1]}, rectRadius:0.12 });
    s.addText(m[0], { x, y:2.78, w:1.65, h:0.9, fontSize:9, bold:true, color:C.white, align:"center", valign:"middle", fontFace:"Arial" });
    if (i<mod.length-1) arrow(s, x+1.66, 3.23, x+1.85, 3.23, C.gold);
  });
  s.addShape(pres.ShapeType.roundRect, { x:13.3-1.5, y:2.72, w:1.6, h:0.96, fill:{color:"001122"}, rectRadius:0.12 });
  s.addText("🧠\nSuHAP\nMilk", { x:11.8, y:2.73, w:1.5, h:0.9, fontSize:9, bold:true, color:C.gold, align:"center", fontFace:"Arial" });

  // === ROW 3: FIRST HOUR STEPS ===
  s.addShape(pres.ShapeType.rect, { x:0, y:3.85, w:"100%", h:0.03, fill:{color:C.teal} });
  s.addText("FIRST HOUR STEPS 👶", { x:0.3, y:3.93, w:3.5, h:0.35, fontSize:10, bold:true, color:C.teal, fontFace:"Arial" });

  const fh = [
    ["S\nSkin-to-Skin", C.teal],
    ["S\nCord Delay", C.navy],
    ["C\nCues Watch", C.purple],
    ["A\nAssist Latch", C.orange],
    ["L\nLet Feed", C.green],
    ["E\nExpress\n+Educate", C.deep_red],
  ];
  fh.forEach((f, i) => {
    const x = 0.3 + i*2.18;
    s.addShape(pres.ShapeType.roundRect, { x, y:4.33, w:2.0, h:1.0, fill:{color:f[1]}, rectRadius:0.15 });
    s.addText(f[0], { x, y:4.33, w:2.0, h:1.0, fontSize:11, bold:true, color:C.white, align:"center", valign:"middle", fontFace:"Arial" });
    if (i<fh.length-1) arrow(s, x+2.01, 4.83, x+2.17, 4.83, C.gold);
  });
  s.addShape(pres.ShapeType.roundRect, { x:13.3-1.5, y:4.27, w:1.5, h:1.1, fill:{color:"001200"}, rectRadius:0.14 });
  s.addText("🧠\nSSCALE\nMnemonic", { x:11.8, y:4.3, w:1.48, h:1.0, fontSize:9, bold:true, color:C.gold, align:"center", fontFace:"Arial" });

  // === BOTTOM — KEY DIFFERENCES ===
  s.addShape(pres.ShapeType.rect, { x:0, y:5.5, w:"100%", h:0.03, fill:{color:C.orange} });
  const diffs = [
    ["Prolactin", "MAKES milk", "Anterior pit.", "Suckling only", C.purple],
    ["Oxytocin", "EJECTS milk", "Posterior pit.", "Suckling+conditioned", C.orange],
    ["Stanya-vāha\nSrotas", "CARRIES milk", "Stana/Uras", "Vāyu (wind energy)", C.navy],
  ];
  diffs.forEach((d, i) => {
    const x = 0.3 + i*4.3;
    s.addShape(pres.ShapeType.roundRect, { x, y:5.6, w:4.1, h:1.75, fill:{color:"111833"}, line:{color:d[4], width:2}, rectRadius:0.15 });
    s.addShape(pres.ShapeType.roundRect, { x, y:5.6, w:4.1, h:0.45, fill:{color:d[4]}, rectRadius:0.15 });
    s.addText(d[0], { x, y:5.6, w:4.1, h:0.45, fontSize:13, bold:true, color:C.white, align:"center", valign:"middle", fontFace:"Arial" });
    s.addText(`${d[1]} | ${d[2]}\nStimulus: ${d[3]}`, { x:x+0.1, y:6.1, w:3.9, h:1.1, fontSize:10, color:C.cream, align:"center", fontFace:"Arial" });
  });

  s.addShape(pres.ShapeType.roundRect, { x:13.0, y:5.6, w:0.3, h:0 });  // spacer
  s.addText("Sources: Kashyapa, Charaka, Ashtanga Hridayam | Creasy & Resnik MFM | Ganong Physiology | WHO 2022", {
    x:0.3, y:7.3, w:12.7, h:0.25, fontSize:7.5, color:"666688", align:"center", italic:true, fontFace:"Arial"
  });
}

// ════════════════════════════════════════════════════════════════════════════
// WRITE FILE
// ════════════════════════════════════════════════════════════════════════════
pres.writeFile({ fileName: "/home/daytona/workspace/kashyap-pdf/Stanyotpatti_Visual_Guide.pptx" })
  .then(() => console.log("✅ DONE: Stanyotpatti_Visual_Guide.pptx"))
  .catch(e => { console.error("❌", e); process.exit(1); });

const {
  Document, Packer, Paragraph, TextRun, Table, TableRow, TableCell,
  Header, Footer, AlignmentType, HeadingLevel, BorderStyle, WidthType,
  ShadingType, VerticalAlign, PageNumber, NumberFormat,
  TableOfContents, convertInchesToTwip, convertMillimetersToTwip,
  PageBreak, HorizontalPositionAlign, VerticalPositionAlign
} = require("docx");
const fs = require("fs");

// ── COLOR PALETTE ────────────────────────────────────────────────────────────
const CLR = {
  deep_red: "7F1D1D", saffron: "B45309", gold: "D97706",
  teal: "0F766E", navy: "1E3A5F", purple: "7C3AED",
  orange: "EA580C", green: "15803D", dark: "1C1917",
  cream_bg: "FEF3C7", light_bg: "F0FDF4", blue_bg: "EFF6FF",
  yellow_bg: "FEFCE8", red_bg: "FEF2F2", white: "FFFFFF",
  gray: "6B7280", light_gray: "F3F4F6", teal_bg: "F0FDFA",
  purple_bg: "F5F3FF", orange_bg: "FFF7ED",
};

// ── HELPER FUNCTIONS ─────────────────────────────────────────────────────────
const pts = (n) => n * 20; // half-points to twips (fontSize uses half-points * 2)
const twip = (inches) => convertInchesToTwip(inches);

function txt(text, opts = {}) {
  return new TextRun({
    text,
    bold: opts.bold || false,
    italics: opts.italic || false,
    color: opts.color || CLR.dark,
    size: (opts.size || 11) * 2,
    font: opts.font || "Calibri",
    break: opts.break || 0,
  });
}

function para(children, opts = {}) {
  const runs = typeof children === "string"
    ? [txt(children, { color: opts.color, bold: opts.bold, size: opts.size, italic: opts.italic })]
    : children;
  return new Paragraph({
    children: runs,
    alignment: opts.align || AlignmentType.LEFT,
    spacing: { before: opts.before !== undefined ? opts.before : 60, after: opts.after !== undefined ? opts.after : 60, line: opts.line || 276 },
    indent: opts.indent ? { left: twip(opts.indent) } : undefined,
    shading: opts.bg ? { type: ShadingType.SOLID, color: opts.bg, fill: opts.bg } : undefined,
    border: opts.border ? {
      left: { style: BorderStyle.SINGLE, size: 18, color: opts.border, space: 6 }
    } : undefined,
  });
}

function heading(text, level, color, opts = {}) {
  const sizes = { 1: 22, 2: 16, 3: 13, 4: 12 };
  return new Paragraph({
    children: [txt(text, { bold: true, color, size: sizes[level] || 12, font: "Calibri" })],
    heading: [HeadingLevel.HEADING_1, HeadingLevel.HEADING_2, HeadingLevel.HEADING_3, HeadingLevel.HEADING_4][level-1],
    spacing: { before: level <= 2 ? 240 : 160, after: 80 },
    shading: opts.bg ? { type: ShadingType.SOLID, color: opts.bg, fill: opts.bg } : undefined,
    border: opts.bottomBorder ? {
      bottom: { style: BorderStyle.SINGLE, size: 12, color, space: 4 }
    } : undefined,
  });
}

function shloka(lines, ref) {
  const children = [];
  lines.forEach((line, i) => {
    children.push(txt(line, { color: CLR.deep_red, italic: true, size: 12, font: "Mangal" }));
    if (i < lines.length - 1) children.push(new TextRun({ text: "", break: 1 }));
  });
  children.push(new TextRun({ text: "", break: 1 }));
  children.push(txt("— " + ref, { color: CLR.saffron, italic: true, size: 9, font: "Calibri" }));

  return new Paragraph({
    children,
    alignment: AlignmentType.CENTER,
    spacing: { before: 100, after: 100, line: 320 },
    shading: { type: ShadingType.SOLID, color: "FFF7ED", fill: "FFF7ED" },
    border: {
      top:    { style: BorderStyle.SINGLE, size: 12, color: CLR.orange, space: 6 },
      bottom: { style: BorderStyle.SINGLE, size: 12, color: CLR.orange, space: 6 },
      left:   { style: BorderStyle.SINGLE, size: 24, color: CLR.orange, space: 8 },
      right:  { style: BorderStyle.SINGLE, size: 24, color: CLR.orange, space: 8 },
    },
  });
}

function bullet(text, color, opts = {}) {
  return new Paragraph({
    children: [txt("• ", { bold: true, color, size: opts.size || 11 }), txt(text, { color: CLR.dark, size: opts.size || 11 })],
    spacing: { before: 30, after: 30 },
    indent: { left: twip(0.25) },
  });
}

function mnemBox(title, items, bgColor, borderColor) {
  const children = [
    txt("🧠 " + title, { bold: true, color: borderColor, size: 12, font: "Calibri" }),
    new TextRun({ text: "", break: 1 }),
  ];
  items.forEach((item, i) => {
    if (i < items.length - 1)
      children.push(new TextRun({ text: item + "  •  ", color: CLR.dark, size: 10 }));
    else
      children.push(new TextRun({ text: item, color: CLR.dark, size: 10 }));
  });
  return new Paragraph({
    children,
    spacing: { before: 80, after: 80, line: 300 },
    shading: { type: ShadingType.SOLID, color: bgColor, fill: bgColor },
    border: {
      left:  { style: BorderStyle.THICK, size: 24, color: borderColor, space: 8 },
      top:   { style: BorderStyle.SINGLE, size: 6, color: borderColor, space: 4 },
      bottom:{ style: BorderStyle.SINGLE, size: 6, color: borderColor, space: 4 },
    },
    indent: { left: twip(0.1) },
  });
}

function makeTable(headers, rows, colWidths, headerBg) {
  const headerBgColor = headerBg || CLR.navy;
  const totalW = colWidths.reduce((a, b) => a + b, 0);

  const headerRow = new TableRow({
    children: headers.map((h, i) => new TableCell({
      children: [new Paragraph({
        children: [txt(h, { bold: true, color: CLR.white, size: 10, font: "Calibri" })],
        alignment: AlignmentType.CENTER,
        spacing: { before: 40, after: 40 },
      })],
      shading: { type: ShadingType.SOLID, color: headerBgColor, fill: headerBgColor },
      verticalAlign: VerticalAlign.CENTER,
      width: { size: Math.round((colWidths[i] / totalW) * 9000), type: WidthType.DXA },
    })),
    tableHeader: true,
  });

  const dataRows = rows.map((row, ri) => new TableRow({
    children: row.map((cell, ci) => new TableCell({
      children: [new Paragraph({
        children: [txt(cell, { size: 9.5, font: "Calibri", color: CLR.dark })],
        alignment: AlignmentType.LEFT,
        spacing: { before: 30, after: 30 },
      })],
      shading: {
        type: ShadingType.SOLID,
        color: ri % 2 === 0 ? "F8FAFF" : CLR.white,
        fill: ri % 2 === 0 ? "F8FAFF" : CLR.white,
      },
      width: { size: Math.round((colWidths[ci] / totalW) * 9000), type: WidthType.DXA },
    })),
  }));

  return new Table({
    rows: [headerRow, ...dataRows],
    width: { size: 9000, type: WidthType.DXA },
    borders: {
      top:           { style: BorderStyle.SINGLE, size: 4, color: CLR.gold },
      bottom:        { style: BorderStyle.SINGLE, size: 4, color: CLR.gold },
      left:          { style: BorderStyle.SINGLE, size: 4, color: CLR.gold },
      right:         { style: BorderStyle.SINGLE, size: 4, color: CLR.gold },
      insideH:       { style: BorderStyle.SINGLE, size: 2, color: "CCCCCC" },
      insideV:       { style: BorderStyle.SINGLE, size: 2, color: "CCCCCC" },
    },
  });
}

function divider(color) {
  return new Paragraph({
    children: [],
    border: { bottom: { style: BorderStyle.SINGLE, size: 6, color: color || CLR.gold, space: 4 } },
    spacing: { before: 120, after: 80 },
  });
}

function sp(before, after) {
  return new Paragraph({ children: [txt("")], spacing: { before: before || 60, after: after || 60 } });
}

function sectionBanner(text, bg, fg) {
  return new Paragraph({
    children: [txt(text, { bold: true, color: fg || CLR.white, size: 13, font: "Calibri" })],
    alignment: AlignmentType.LEFT,
    spacing: { before: 160, after: 60 },
    shading: { type: ShadingType.SOLID, color: bg, fill: bg },
    indent: { left: twip(0.1) },
  });
}

// ════════════════════════════════════════════════════════════════════════════
// DOCUMENT CONTENT
// ════════════════════════════════════════════════════════════════════════════
const children = [];

// ── TITLE PAGE ──────────────────────────────────────────────────────────────
children.push(new Paragraph({
  children: [txt("🔱 AYURVEDA STUDY NOTES", { bold: true, color: CLR.white, size: 26, font: "Calibri" })],
  alignment: AlignmentType.CENTER,
  spacing: { before: 0, after: 40 },
  shading: { type: ShadingType.SOLID, color: CLR.deep_red, fill: CLR.deep_red },
}));
children.push(new Paragraph({
  children: [txt("Stanyotpatti | Kashyapa Samhita | Formula Milk Brands", { bold: true, color: CLR.cream_bg, size: 16, font: "Calibri" })],
  alignment: AlignmentType.CENTER,
  spacing: { before: 0, after: 40 },
  shading: { type: ShadingType.SOLID, color: CLR.deep_red, fill: CLR.deep_red },
}));
children.push(new Paragraph({
  children: [txt("Compiled from: PDF (Kashyap Samhita Dugdha Ghrita Vasa) + PDF (Stanyotpatti Complete Guide) + PPTX (Stanyotpatti Visual Guide)", { italic: true, color: CLR.saffron, size: 9, font: "Calibri" })],
  alignment: AlignmentType.CENTER,
  spacing: { before: 0, after: 40 },
  shading: { type: ShadingType.SOLID, color: CLR.deep_red, fill: CLR.deep_red },
}));
children.push(new Paragraph({
  children: [txt("June 2026  |  Orris AI  |  Kaumarabhritya & Lactation Physiology", { color: "AABBCC", size: 9 })],
  alignment: AlignmentType.CENTER,
  spacing: { before: 0, after: 0 },
  shading: { type: ShadingType.SOLID, color: CLR.deep_red, fill: CLR.deep_red },
}));

children.push(sp(120));

// Quick reference box
children.push(new Paragraph({
  children: [txt("📚 DOCUMENTS COVERED IN THESE NOTES:", { bold: true, color: CLR.navy, size: 12 })],
  shading: { type: ShadingType.SOLID, color: CLR.blue_bg, fill: CLR.blue_bg },
  spacing: { before: 80, after: 40 }, indent: { left: twip(0.1) },
}));
const docs = [
  "Document 1: Kashyap_Samhita_Dugdha_Ghrita_Vasa.pdf — Dugdha Varna, Ghrita, Vasa, Taila (Sutrasthana 19)",
  "Document 2: Stanyotpatti_Complete_Guide.pdf — Ayurvedic + Modern mechanisms, Srotas, Prolactin, Oxytocin, First Hour BF",
  "Document 3: Stanyotpatti_Visual_Guide.pptx — 10-slide visual summary with flowcharts, mnemonics, textbook images",
];
docs.forEach(d => children.push(bullet(d, CLR.navy, { size: 10 })));
children.push(sp(80));
children.push(new Paragraph({ children: [new PageBreak()] }));

// ════════════════════════════════════════════════════════════════════════════
// PART A — KASHYAP SAMHITA: DUGDHA VARNA, GHRITA, VASA
// ════════════════════════════════════════════════════════════════════════════
children.push(sectionBanner("PART A  —  काश्यप संहिता: दुग्ध वर्ण, घृत, वसा, तैल (Doc 1)", CLR.deep_red, CLR.white));
children.push(heading("A1. ग्रन्थ परिचय — About Kashyapa Samhita", 2, CLR.deep_red, { bottomBorder: true }));
children.push(para([
  txt("काश्यप संहिता", { bold: true, color: CLR.deep_red, size: 11 }),
  txt(" (Vriddha Jivakiya Tantra) — आचार्य काश्यप द्वारा रचित, शिष्य ", { size: 11 }),
  txt("वृद्ध जीवक", { bold: true, size: 11 }),
  txt(" द्वारा संकलित। यह Kaumarabhritya (बाल रोग), स्त्री रोग व प्रसूति का प्रमुख ग्रन्थ है। 200 अध्याय; आंशिक रूप से उपलब्ध — 7वीं शताब्दी में आचार्य वत्स्य द्वारा पुनरुद्धृत।", { size: 11 }),
]));
children.push(sp(40));

// Dugdha varna shloka
children.push(heading("A2. स्तन्य वर्ण एवं शिशु प्रभाव — Milk Colour & Effect (Sutrasthana 19)", 2, CLR.saffron, { bottomBorder: true }));
children.push(shloka([
  "तैलवर्णं पिबेद्यस्तु बलमाप्नोति पुष्कलम् ।",
  "घृतवर्णं पिबेद्यस्तु स भवेद्धनवान् नरः ॥",
  "धूमवर्णं पिबेद्यस्तु यशस्वी जायते शिशुः ।",
  "शुद्धं पिबेद्यस्तु सर्वान् गुणानाप्नोति पुष्कलम् ॥",
], "काश्यप संहिता, सूत्रस्थान १९/७"));
children.push(sp(60));
children.push(makeTable(
  ["दुग्ध वर्ण", "रंग", "शिशु पर प्रभाव", "Modern Equivalent"],
  [
    ["तैलवर्ण (Taila)", "पीलाभ चिकना", "अत्यधिक बल", "Fat-rich milk → strength"],
    ["घृतवर्ण (Ghrita)", "हल्का पीला-श्वेत", "धनवान", "Colostrum-like — rich"],
    ["धूमवर्ण (Dhuma)", "धूसर/स्लेटी", "यशस्वी/प्रसिद्ध", "Iron/minerals → alertness"],
    ["शुद्ध वर्ण", "दूधिया श्वेत", "सर्वगुण सम्पन्न", "Pure mature milk — ideal"],
  ],
  [2.5, 2, 3, 2.5], CLR.saffron
));
children.push(sp(80));

// Stanya rasa shloka
children.push(heading("A3. स्तन्य रस (Taste) — प्रभाव (Sutrasthana 19/3)", 3, CLR.teal));
children.push(shloka([
  "मधुरं पिबेद्यस्तु मूत्र-पुरीषवृद्धिः भवेत् ।",
  "कषायं पिबेद्यस्तु मूत्र-पुरीषसङ्ग्रहः ॥",
], "काश्यप संहिता, सूत्रस्थान १९/३"));
children.push(makeTable(
  ["रस", "शिशु प्रभाव"],
  [["मधुर (Sweet)", "मूत्र-पुरीष वृद्धि (↑ urine & stool)"], ["कषाय (Astringent)", "Retention (constipation)"], ["तिक्त (Bitter)", "Vata aggravation"], ["लवण (Salty)", "Skin diseases"]],
  [3, 7], CLR.teal
));
children.push(sp(80));

// Shuddha stanya shloka
children.push(heading("A4. शुद्ध स्तन्य के लक्षण — Pure Milk Criteria", 3, CLR.navy));
children.push(shloka([
  "प्रकृतिवर्णगन्धरसस्पर्शम् उदकेन विलीयते ।",
  "तत् शुद्धं स्तन्यम् इति प्रोक्तं काश्यपेन महर्षिणा ॥",
], "काश्यप संहिता, सूत्रस्थान १९/९"));
children.push(para("5 Criteria: Normal Varna (colour) + Gandha (smell) + Rasa (taste) + Sparsha (touch) + Dissolves in water.", { color: CLR.dark }));
children.push(sp(80));

// Ghrita shloka
children.push(heading("A5. घृत (Ghee) — गुण एवं शिशु मात्रा", 2, CLR.saffron, { bottomBorder: true }));
children.push(shloka([
  "घृतं बुद्धिस्मृतिमेधाग्निबलायुःशुक्रचक्षुषाम् ।",
  "वातपित्तविषोन्मादशोषालक्ष्म्यपहं परम् ॥",
], "काश्यप संहिता, लेहनानाध्याय"));
children.push(para("अर्थ: Ghrita benefits — Buddhi (intellect), Smriti (memory), Medha, Agni, Bala, Ayus, Sukra, Netra. Destroys Vata, Pitta, toxins, mental disorders, TB wasting.", { color: CLR.dark }));
children.push(sp(40));
children.push(para("Pediatric Ghrita dosage (birth → 8 months) — World's earliest pediatric dosage chart:", { bold: true, color: CLR.navy }));
children.push(makeTable(
  ["Age", "Dose", "Purpose"],
  [["Birth", "Drop (अत्यल्प)", "Swagat Samskara, immunity"], ["1 month", "½ ratti", "Buddhi, strength"], ["2-3 months", "1 ratti", "Digestion, Vata shaman"], ["4-6 months", "1-2 ratti", "Eye nourishment, skin"], ["6-8 months", "2-3 ratti", "Ojavardhana (immunity)"]],
  [2.5, 3, 4.5], CLR.saffron
));
children.push(sp(80));

// Vasa shloka
children.push(heading("A6. चतुर्विध स्नेह — Vasa, Ghrita, Taila, Majja", 2, CLR.orange, { bottomBorder: true }));
children.push(shloka([
  "वसा मज्जा घृतं तैलं स्नेहाः प्रोक्ताः चतुर्विधाः ।",
  "तेषां वसा गुरुः स्निग्धा उष्णा च कफवातहा ॥",
  "घृतं लघु शीतलं मेध्यं त्रिदोषघ्नं रसायनम् ।",
  "तैलं वातहरं स्निग्धं उष्णं लघु बलप्रदम् ॥",
], "काश्यप संहिता, सूत्रस्थान"));
children.push(makeTable(
  ["स्नेह", "गुण", "वीर्य", "दोष कर्म", "उपयोग"],
  [
    ["वसा (Animal Fat)", "गुरु, स्निग्ध", "उष्ण", "कफ-वातहर", "Bala, मांस पोषण"],
    ["घृत (Ghee)", "लघु, स्निग्ध", "शीत", "त्रिदोषहर", "Buddhi, Rasayana"],
    ["तैल (Sesame Oil)", "लघु, स्निग्ध", "उष्ण", "वातहर", "Abhyanga, पाचन"],
    ["मज्जा (Marrow)", "गुरु, स्निग्ध", "उष्ण", "वातहर", "Asthi, Bala"],
  ],
  [2.5, 2, 1.5, 2, 2], CLR.orange
));
children.push(sp(80));

// Stanya dushti shloka
children.push(heading("A7. स्तन्य दूषिति एवं शोधन", 3, CLR.deep_red));
children.push(shloka([
  "स्तन्यं दुष्टं भवेद्रोगकारणं तस्य शिशोः सदा ।",
  "शोधनीयं सदा तस्मात् स्तन्यं माता विशोधयेत् ॥",
], "काश्यप संहिता, सूत्रस्थान"));
children.push(makeTable(
  ["दोष", "शोधक औषधि", "Mode"],
  [["वात", "दशमूल, बला, अश्वगंधा", "Kwath + Ghrita"], ["पित्त", "सारिवा, मधुयष्टि, आमलकी", "Sheetal kwath"], ["कफ", "त्रिकटु, पिप्पली, सोंठ", "Ushna kwath"], ["सन्निपात", "त्रिफला, गुडूची", "Rasayana yoga"]],
  [2, 4.5, 3.5], CLR.deep_red
));
children.push(sp(80));
children.push(mnemBox("Doc 1 Summary Trick — TGDV", [
  "T = Taila varna → Strength", "G = Ghrita varna → Wealth", "D = Dhuma varna → Fame", "V = Vishuddha → All virtues",
  "Ghrita: 4 benefits — Buddhi, Agni, Netra, Rasayana"
], CLR.yellow_bg, CLR.saffron));
children.push(new Paragraph({ children: [new PageBreak()] }));

// ════════════════════════════════════════════════════════════════════════════
// PART B — STANYOTPATTI: AYURVEDIC MECHANISM
// ════════════════════════════════════════════════════════════════════════════
children.push(sectionBanner("PART B  —  स्तन्योत्पत्ति: आयुर्वेदीय सिद्धान्त (Doc 2 & 3)", CLR.teal, CLR.white));
children.push(heading("B1. Stanyotpatti — Ayurvedic Theory", 2, CLR.teal, { bottomBorder: true }));

children.push(shloka([
  "रसादेव स्तन्यमुत्पद्यते नित्यं",
  "रक्तसमानगुणं हि तत् ।",
  "स्नेहेन पित्तेन च संस्कृतं",
  "क्षीरत्वमाप्नोति शुभं सदा ॥",
], "काश्यप संहिता, सूत्रस्थान"));
children.push(sp(40));
children.push(shloka([
  "रसाद् रक्तं ततो मांसं मांसान्मेदस्ततः परम् ।",
  "अस्थ्नो मज्जा ततः शुक्रं — स्तन्यं च रजसा सार्धं रसात् सञ्जायते सदा ।",
], "चरक संहिता, चिकित्सास्थान १५/१७"));
children.push(sp(40));
children.push(shloka([
  "स्तन्यमार्तवसम्भूतं रसात् स्त्रीणां प्रजायते ।",
  "स्तनयोः स्तन्यवाहिभिः श्रोतोभिः सम्प्रवर्तते ॥",
], "अष्टांग हृदयम्, शारीर १"));
children.push(sp(60));

children.push(makeTable(
  ["घटक", "भूमिका", "Modern Equivalent"],
  [
    ["रस धातु", "मूल स्रोत (base material)", "Plasma / lymph precursors"],
    ["रक्त धातु", "पोषण, वर्ण", "Blood-derived nutrients"],
    ["पित्त", "संस्कार (metabolic processing)", "Lactase, enzymes"],
    ["स्नेह / ओज", "स्निग्धता, immunity", "Immunoglobulins, fats"],
    ["वायु", "Srotas में गति", "Myoepithelial contraction"],
    ["आर्तव निवृत्ति", "मासिक रुकने पर दूध → like estrogen withdrawal", "Lactogenesis II trigger"],
  ],
  [3, 3.5, 3.5], CLR.teal
));
children.push(sp(80));
children.push(mnemBox("ARPOV — Ayurvedic Stanya Formation", [
  "A = Ahara (food) raw material", "R = Rasa Dhatu (first product)",
  "P = Pitta (processes/transforms)", "O = Ojas/Sneha (adds immunity + fat)",
  "V = Vāha Srotas (delivers to breast)"
], CLR.teal_bg, CLR.teal));
children.push(sp(80));

// ── B2: STANYA-VĀHA SROTAS ──────────────────────────────────────────────────
children.push(heading("B2. स्तन्य-वाह स्रोतस् — Stanya-vāha Srotas", 2, CLR.navy, { bottomBorder: true }));
children.push(shloka([
  "स्तन्यवाहीनि स्रोतांसि स्तनयोः मूलमाश्रिता ।",
  "उरसि चैव हृदये — स्तन्यवाहीनि सन्ति हि ॥",
], "चरक संहिता, विमानस्थान ५/८"));
children.push(sp(40));
children.push(shloka([
  "अतिप्रवृत्तिः स्तन्यस्य अप्रवृत्तिश्च कुत्सितम् ।",
  "विकृतवर्णगन्धं च — स्तन्यदोषस्य लक्षणम् ॥",
], "अष्टांग हृदयम्, निदानस्थान"));
children.push(sp(60));
children.push(makeTable(
  ["Feature", "Description", "Modern Equivalent"],
  [
    ["मूल (Origin)", "स्तन + उरस् + हृदय", "Mammary gland + thoracic lymphatics"],
    ["कार्य", "रस → स्तन्य delivery", "Secretory pathway (lactocytes)"],
    ["दुष्टि लक्षण", "अति/अल्प/विकृत स्तन्य", "Engorgement / Hypogalactia / Mastitis"],
    ["Shodhaka dravya", "शतावरी, जीवन्ती, विदारी", "Galactagogues (herbal)"],
  ],
  [3, 3, 4], CLR.navy
));
children.push(sp(80));

// ── B3: MODERN LACTOGENESIS ──────────────────────────────────────────────────
children.push(heading("B3. Modern Physiology — Lactogenesis (3 Stages)", 2, CLR.purple, { bottomBorder: true }));
children.push(makeTable(
  ["Stage", "Timing", "Key Hormones", "What Happens", "Ayurvedic Parallel"],
  [
    ["Lactogenesis I", "16–22 wks pregnancy", "Prolactin ↑; Progesterone blocks secretion", "Colostrum forms; milk secretion suppressed", "रस परिपाक प्रारम्भ"],
    ["Lactogenesis II", "0–72 hrs postpartum", "Prolactin ↑↑; Estrogen/Progesterone ↓↓", "\"Milk comes in\" — large volume starts", "आर्तव निवृत्ति → स्तन्य प्रवृत्ति"],
    ["Galactopoiesis (III)", "Day 4 onwards", "Prolactin surges w/ each feed + Autocrine FIL", "Demand = Supply; maintained by suckling", "स्तन्य-वाह स्रोतस् नित्य प्रवाह"],
  ],
  [2, 2, 3, 3, 2.5], CLR.purple
));
children.push(sp(60));
children.push(mnemBox("PIPE — Lactogenesis Trick", [
  "P = Progesterone Inhibits (during pregnancy)",
  "I = Inhibition lifts postpartum",
  "P = Prolactin Pours out",
  "E = Establish breastfeeding → Milk sustained"
], CLR.purple_bg, CLR.purple));
children.push(sp(80));

// ── B4: PROLACTIN ──────────────────────────────────────────────────────────
children.push(heading("B4. Prolactin — Milk Production Hormone", 2, CLR.purple, { bottomBorder: true }));
children.push(para("Source: Anterior Pituitary (Lactotrope cells). Function: stimulates Lactocytes to synthesise milk proteins, lactose and fat.", { color: CLR.dark }));
children.push(sp(40));
children.push(makeTable(
  ["Parameter", "Value / Description"],
  [
    ["Normal", "< 25 ng/mL"],
    ["Pregnancy (1st trim)", "125–180 ng/mL"],
    ["At delivery", "200–250 ng/mL (10× rise)"],
    ["Non-BF postpartum", "Returns to normal in 3–4 weeks"],
    ["Breastfeeding", "Surges with every nursing episode"],
    ["Inhibitor", "Dopamine (Prolactin-Inhibiting Factor/PIF)"],
    ["Suppresses", "GnRH → no ovulation (LAM method)"],
    ["Ayurvedic parallel", "पित्त + रस → स्तन्य निर्माण"],
  ],
  [4, 6], CLR.purple
));
children.push(sp(60));
children.push(mnemBox("SuHAP Milk — Prolactin Pathway", [
  "Su = Suckling stimulus",
  "H = Hypothalamus ↓ Dopamine",
  "A = Anterior Pituitary",
  "P = Prolactin ↑",
  "MILK = Lactocytes synthesize milk"
], CLR.purple_bg, CLR.purple));
children.push(sp(80));

// ── B5: OXYTOCIN ──────────────────────────────────────────────────────────
children.push(heading("B5. Oxytocin — Let-Down (Milk Ejection) Reflex", 2, CLR.orange, { bottomBorder: true }));
children.push(shloka([
  "स्नेहस्य स्राव-हेतुश्च वायुः पित्तेन संयुतः ।",
  "शिशोः स्पर्शात् च शब्दाच्च स्तन्यस्रावः प्रवर्तते ॥",
], "काश्यप संहिता — Ayurvedic description of let-down reflex"));
children.push(sp(40));
children.push(para("Let-Down Pathway: Suckling → Nipple mechanoreceptors → Spinal cord → Hypothalamus (PVN) → Posterior Pituitary → Oxytocin released into blood → Myoepithelial cells contract → Milk ejected from alveoli.", { color: CLR.dark }));
children.push(sp(40));
children.push(makeTable(
  ["Feature", "Prolactin 💜", "Oxytocin 🔶"],
  [
    ["Pituitary", "Anterior", "Posterior"],
    ["Job", "Makes milk", "Ejects milk"],
    ["Stimulus", "Suckling only", "Suckling + sight/sound/smell of baby"],
    ["Conditioned reflex", "No", "Yes — baby cry → OT release"],
    ["Stress effect", "Mild inhibition", "Strong inhibition (adrenaline blocks)"],
    ["Ayurvedic", "पित्त → निर्माण", "वायु → प्रवाह/ejection"],
  ],
  [3, 3, 4], CLR.orange
));
children.push(sp(60));
children.push(para("Inhibitors of Let-Down: Stress | Anxiety | Pain | Fear | Adrenaline (vasoconstriction → OT cannot reach myoepithelial cells)", { color: CLR.deep_red, italic: true }));
children.push(para("Stimulators: Suckling | Baby cry (conditioned) | Skin-to-skin | Warm compress | Relaxation", { color: CLR.green, italic: true }));
children.push(sp(60));
children.push(mnemBox("OT vs PRL Quick Trick", [
  "OT = Order To eject (Posterior pit.)",
  "PRL = PRoduction Launched (Anterior pit.)",
  "Together: PRL builds the milk, OT delivers it"
], CLR.orange_bg, CLR.orange));
children.push(sp(80));
children.push(new Paragraph({ children: [new PageBreak()] }));

// ════════════════════════════════════════════════════════════════════════════
// PART C — FIRST HOUR BREASTFEEDING
// ════════════════════════════════════════════════════════════════════════════
children.push(sectionBanner("PART C  —  प्रथम घंटे में स्तनपान स्थापना (Doc 2 & 3)", CLR.green, CLR.white));
children.push(heading("C1. WHO Recommendation & Ayurvedic Parallel", 2, CLR.green, { bottomBorder: true }));
children.push(para("WHO: Initiate breastfeeding within 1 hour of birth + skin-to-skin contact. Source: Creasy & Resnik's Maternal-Fetal Medicine (2022).", { bold: true, color: CLR.green }));
children.push(sp(40));
children.push(shloka([
  "जातमात्रस्य शिशोः स्तन्यं देयं तत्क्षणमेव हि ।",
  "आयुः बलं च मेधां च ददाति प्रथमं पयः ॥",
], "काश्यप संहिता, खिलस्थान — Neonatal care"));
children.push(sp(60));
children.push(para("अर्थ: जन्म के तत्काल बाद नवजात को स्तन्य दें। प्रथम दूध (Colostrum/पीयूष) आयु, बल, मेधा प्रदान करता है।", { italic: true, color: CLR.dark }));
children.push(sp(80));

// 6 steps
children.push(heading("C2. 6 Clinical Steps — SSCALE Protocol", 2, CLR.teal, { bottomBorder: true }));
children.push(mnemBox("SSCALE Mnemonic (First-Hour BF)", [
  "S = Skin-to-skin (0-5 min)",
  "S = String/cord delay (1-3 min)",
  "C = Cues — watch feeding cues",
  "A = Assist good latch",
  "L = Let feed complete",
  "E = Express + Educate"
], CLR.teal_bg, CLR.teal));
children.push(sp(60));
children.push(makeTable(
  ["Step", "Action", "Timing", "Key Point"],
  [
    ["S — Skin-to-Skin", "Newborn prone on mother's chest", "0–5 min", "Temperature control + OT surge + bonding"],
    ["S — Cord Delay", "Delay cord clamping ≥60 sec", "1–3 min", "80-100 mL extra blood to baby"],
    ["C — Cues Watch", "Rooting, mouth-open, hand-to-mouth", "5–30 min", "Crying = LATE hunger sign"],
    ["A — Assist Latch", "Tickle lips → wide mouth → full areola", "30–45 min", "No pain = correct latch"],
    ["L — Let Feed", "Don't interrupt; baby decides end", "45–60 min", "8-12 feeds/24 hrs normal"],
    ["E — Express+Educate", "Teach hand expression; rooming-in", "Pre-discharge", "Avoid formula/pacifier 4-6 wks"],
  ],
  [2, 3, 1.8, 3.2], CLR.teal
));
children.push(sp(80));

children.push(heading("C3. LATCH Score — Assessment Tool", 3, CLR.navy));
children.push(makeTable(
  ["Letter", "Stands For", "Score 0", "Score 1", "Score 2"],
  [
    ["L", "Latch", "Too sleepy/no latch", "Repeated attempts needed", "Grasps well, rhythmic suckling"],
    ["A", "Audible swallow", "None heard", "A few with stimulation", "Spontaneous/intermittent"],
    ["T", "Type of nipple", "Inverted", "Flat", "Everted after stimulation"],
    ["C", "Comfort (breast)", "Engorged/cracked", "Filling/reddened", "Soft/non-tender"],
    ["H", "Hold/positioning", "Full assist needed", "Minimal assist", "No assist needed"],
  ],
  [1.2, 2.5, 2, 2, 2.3], CLR.navy
));
children.push(sp(80));
children.push(new Paragraph({ children: [new PageBreak()] }));

// ════════════════════════════════════════════════════════════════════════════
// PART D — COLOSTRUM + GALACTAGOGUES
// ════════════════════════════════════════════════════════════════════════════
children.push(sectionBanner("PART D  —  पीयूष (Colostrum) & स्तन्यवर्धक द्रव्य (Doc 2)", CLR.saffron, CLR.white));
children.push(heading("D1. Colostrum / पीयूष — Properties", 2, CLR.saffron, { bottomBorder: true }));
children.push(shloka([
  "पीयूषः पीतवर्णश्च गुरुः स्निग्धो बलप्रदः ।",
  "प्रथमं स्तन्यमेतद्धि सर्वरोगनिवारणम् ॥",
  "जन्तुः पीयूषपानेन दीर्घायुर्जायते ध्रुवम् ॥",
], "काश्यप संहिता / अष्टांग संग्रह"));
children.push(sp(40));
children.push(makeTable(
  ["Property", "Ayurvedic", "Modern Science"],
  [
    ["Colour", "पीत (Yellow)", "Beta-carotene rich"],
    ["Volume", "अल्प (small)", "2–20 mL/feed (Days 1–3)"],
    ["Protein", "बलप्रद (high)", "≈10 g/100 mL (3× mature milk)"],
    ["Immunity", "सर्वरोग-निवारक", "sIgA, Lactoferrin, Lysozyme, Leukocytes"],
    ["Gut action", "कोष्ठशोधक", "Laxative → meconium passage"],
    ["Other name", "पीयूष (Piyusha)", "Liquid Gold / Colostrum"],
  ],
  [2.5, 3, 4.5], CLR.saffron
));
children.push(sp(80));

children.push(heading("D2. Galactagogues — स्तन्यवर्धक द्रव्य", 2, CLR.deep_red, { bottomBorder: true }));
children.push(shloka([
  "शतावरी विदारी च जीवन्ती मधुयष्टिका ।",
  "काकोली क्षीरकाकोली — स्तन्यवर्धनकारणम् ॥",
], "काश्यप संहिता, सूत्रस्थान"));
children.push(sp(40));
children.push(makeTable(
  ["Herb", "Latin", "Mechanism", "Dose"],
  [
    ["शतावरी (Shatavari)", "Asparagus racemosus", "Prolactin-like phytoestrogen", "5g churna + milk"],
    ["विदारीकन्द (Vidari)", "Pueraria tuberosa", "Estrogenic, anabolic", "3g churna + ghee"],
    ["जीवन्ती (Jivanti)", "Leptadenia reticulata", "Ojas-vardhak, immunomod.", "2g in milk"],
    ["मधुयष्टि (Mulethi)", "Glycyrrhiza glabra", "Estrogenic; soothes ducts", "1-3g powder"],
    ["Fenugreek (मेथी)", "Trigonella foenum-graecum", "Most-studied galactagogue", "1-3 caps TID"],
  ],
  [2.5, 3, 3.5, 1], CLR.deep_red
));
children.push(sp(80));
children.push(new Paragraph({ children: [new PageBreak()] }));

// ════════════════════════════════════════════════════════════════════════════
// PART E — MASTER QUICK REVIEW + ALL MNEMONICS
// ════════════════════════════════════════════════════════════════════════════
children.push(sectionBanner("PART E  —  MASTER QUICK REVIEW + ALL MNEMONICS (Exam Ready)", CLR.navy, CLR.white));

children.push(heading("E1. All Memory Tricks at a Glance", 2, CLR.navy, { bottomBorder: true }));
children.push(makeTable(
  ["Mnemonic", "Stands For", "Topic"],
  [
    ["ARPOV", "Ahara → Rasa → Pitta → Ojas → Vāha", "Ayurvedic Stanya formation"],
    ["TGDV", "Taila→Strength | Ghrita→Wealth | Dhuma→Fame | Vishuddha→All virtues", "Milk colour effects"],
    ["PIPE", "Progesterone Inhibits → Postpartum Estrogen-drop → Prolactin Erupts", "Lactogenesis trigger"],
    ["SuHAP Milk", "Suckling → Hypothalamus → Anterior pit → Prolactin → Milk", "Prolactin pathway"],
    ["OT = Order To eject", "Oxytocin from Posterior pituitary ejects milk", "Oxytocin function"],
    ["PRL = PRoduction Launched", "Prolactin from Anterior pituitary makes milk", "Prolactin function"],
    ["SSCALE", "Skin-to-skin → Cord delay → Cues → Assist latch → Let feed → Express", "First-hour BF steps"],
    ["LATCH score", "Latch | Audible | Type nipple | Comfort | Hold", "BF assessment tool"],
  ],
  [2.5, 5.5, 2], CLR.navy
));
children.push(sp(80));

children.push(heading("E2. Master Flowchart — All Pathways", 2, CLR.teal, { bottomBorder: true }));
children.push(para("AYURVEDIC:", { bold: true, color: CLR.teal }));
children.push(para("Ahara → Rasa Dhatu → (+Pitta +Ojas) → Stanya-vāha Srotas → 🍼 Stanya", { color: CLR.dark, indent: 0.3 }));
children.push(sp(30));
children.push(para("MODERN (Production):", { bold: true, color: CLR.purple }));
children.push(para("Suckling → Nipple receptors → Hypothalamus (↓Dopamine) → Anterior Pituitary → 💜 PROLACTIN → Lactocytes → Milk synthesis", { color: CLR.dark, indent: 0.3 }));
children.push(sp(30));
children.push(para("MODERN (Ejection):", { bold: true, color: CLR.orange }));
children.push(para("Suckling/Baby cry → Hypothalamus (PVN) → Posterior Pituitary → 🔶 OXYTOCIN → Myoepithelial contraction → Milk ejected", { color: CLR.dark, indent: 0.3 }));
children.push(sp(30));
children.push(para("FIRST HOUR:", { bold: true, color: CLR.green }));
children.push(para("Skin-to-skin → Cord delay → Watch cues → Assist latch → Let feed → Express/Educate  [SSCALE]", { color: CLR.dark, indent: 0.3 }));
children.push(sp(80));

children.push(heading("E3. High-Yield Facts for Exam", 2, CLR.deep_red, { bottomBorder: true }));
const hyfacts = [
  "Stanya originates from Rasa Dhatu (not blood directly) — Kashyapa + Charaka both confirm",
  "Artava (menses) stops → Rasa diverted to Stanya — explains postpartum milk",
  "Stanya-vāha Srotas mool: Stana (breast) + Uras (thorax) + Hridaya (heart) — Charaka Vimana 5/8",
  "Prolactin: Anterior pituitary | Oxytocin: Posterior pituitary — never confuse these",
  "PRL surges with each suckling; OT can be triggered by conditioned reflex (baby's cry)",
  "Stress → Adrenaline → vasoconstriction → OT cannot reach myoepithelial cells → let-down fails",
  "Lactogenesis II triggered by Estrogen + Progesterone withdrawal at delivery (NOT by delivery itself)",
  "FIL (Feedback Inhibitor of Lactation): autocrine mechanism — full breast = less milk made",
  "Colostrum (पीयूष): Yellow, 2-20 mL/feed, Days 1-3, sIgA-rich, laxative for meconium",
  "LATCH score <7 = needs additional breastfeeding support",
  "WHO: BF within 1st hour; 8-12 feeds/24 hrs in early days; rooming-in mandatory",
  "Kashapha Samhita: World's earliest pediatric Ghrita dosage chart (birth to 8 months)",
  "Shatavari = most commonly used Ayurvedic galactagogue; Fenugreek = most studied modern",
  "Inverted nipple → Flat (Score 1) | Everted after stimulation (Score 2) — in LATCH T",
  "Baby cry is LATE hunger sign — feed before baby cries (watch early cues)",
];
hyfacts.forEach(f => children.push(bullet(f, CLR.deep_red, { size: 10 })));
children.push(sp(80));

children.push(heading("E4. Reference Index", 2, CLR.gray));
children.push(makeTable(
  ["Source", "Chapter / Verse", "Topic"],
  [
    ["काश्यप संहिता", "सूत्रस्थान 19/3", "Stanya rasa effects"],
    ["काश्यप संहिता", "सूत्रस्थान 19/7", "Stanya varna (colour) effects"],
    ["काश्यप संहिता", "सूत्रस्थान 19/9", "Shuddha stanya criteria"],
    ["काश्यप संहिता", "Lehananadhyaya", "Ghrita guna"],
    ["काश्यप संहिता", "खिलस्थान 9/20, 9/45", "Balgraha + stanya dushti"],
    ["चरक संहिता", "चिकित्सा 15/17", "Rasa → Stanya formation"],
    ["चरक संहिता", "विमान 5/8", "Stanya-vāha Srotas mool"],
    ["अष्टांग हृदयम्", "शारीर 1", "Stanya from Artava + Rasa"],
    ["Creasy & Resnik MFM", "Ch 10 (Fig 10.12)", "Prolactin levels in pregnancy"],
    ["Creasy & Resnik MFM", "Ch 11 (Fig 11.5, 11.6, 11.8)", "Let-down reflex, Latch technique"],
    ["Ganong Physiology 26e", "Ch 22", "Lactation + menstrual cycles"],
    ["WHO Guidelines 2022", "—", "Early initiation within 1 hour"],
  ],
  [4, 3, 3], CLR.gray
));
children.push(sp(80));

// Final note
children.push(new Paragraph({
  children: [
    txt("⚕ Clinical Note: ", { bold: true, color: CLR.teal, size: 11 }),
    txt("Breast milk is always the best option for infants under 6 months. Formula should only be used when breastfeeding is not possible. Always consult a Pediatrician. Ayurveda recommends: सात्विक, स्निग्ध, सुपाच्य आहार for the lactating mother; avoid anxiety and anger (Chinta + Krodha → Stanya dushti).", { color: CLR.dark, size: 10 }),
  ],
  spacing: { before: 100, after: 100 },
  shading: { type: ShadingType.SOLID, color: "EFF6FF", fill: "EFF6FF" },
  border: { left: { style: BorderStyle.THICK, size: 24, color: CLR.teal, space: 8 } },
  indent: { left: twip(0.1) },
}));
children.push(sp(60));
children.push(new Paragraph({
  children: [txt("Study Notes compiled by Orris AI  |  Sources: Kashyapa Samhita, Charaka Samhita, Ashtanga Hridayam, Creasy & Resnik MFM, Ganong Physiology, WHO 2022", { color: CLR.gray, size: 8, italic: true })],
  alignment: AlignmentType.CENTER,
}));

// ════════════════════════════════════════════════════════════════════════════
// BUILD DOCUMENT
// ════════════════════════════════════════════════════════════════════════════
const doc = new Document({
  creator: "Orris AI",
  title: "Stanyotpatti — Ayurveda Study Notes",
  description: "Comprehensive study notes: Kashyap Samhita Dugdha Ghrita, Stanyotpatti Ayurvedic & Modern, First-Hour Breastfeeding",
  styles: {
    paragraphStyles: [
      {
        id: "Heading1", name: "Heading 1",
        run: { size: 44, bold: true, color: CLR.deep_red, font: "Calibri" },
        paragraph: { spacing: { before: 240, after: 80 } },
      },
      {
        id: "Heading2", name: "Heading 2",
        run: { size: 32, bold: true, color: CLR.navy, font: "Calibri" },
        paragraph: { spacing: { before: 180, after: 60 } },
      },
    ],
  },
  sections: [{
    properties: {
      page: {
        margin: { top: twip(0.8), bottom: twip(0.8), left: twip(1.0), right: twip(1.0) },
      },
    },
    headers: {
      default: new Header({
        children: [new Paragraph({
          children: [
            txt("🔱 Ayurveda Study Notes — Stanyotpatti | Kashyapa Samhita | First-Hour BF", { bold: true, color: CLR.white, size: 9 }),
          ],
          alignment: AlignmentType.LEFT,
          shading: { type: ShadingType.SOLID, color: CLR.deep_red, fill: CLR.deep_red },
          spacing: { before: 0, after: 0 },
        })],
      }),
    },
    footers: {
      default: new Footer({
        children: [new Paragraph({
          children: [
            txt("Stanyotpatti Study Notes  |  Compiled by Orris AI  |  Page ", { color: CLR.gray, size: 8 }),
            new PageNumber({ format: NumberFormat.DECIMAL }),
          ],
          alignment: AlignmentType.CENTER,
          spacing: { before: 20, after: 0 },
        })],
      }),
    },
    children,
  }],
});

const OUT = "/home/daytona/workspace/kashyap-pdf/Stanyotpatti_Study_Notes.docx";
Packer.toBuffer(doc).then(buf => {
  fs.writeFileSync(OUT, buf);
  console.log("✅ DONE:", OUT, `(${(buf.length/1024).toFixed(0)} KB)`);
}).catch(e => { console.error("❌", e); process.exit(1); });

Successfully replaced 1 instance(s) of the string in '/home/daytona/workspace/kashyap-pdf/build_docx.js'

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Physiology of Lactation — Easy Guide with Shloka + Images
Full PDF: Anatomy → Stages → Prolactin → Oxytocin → Let-Down →
          Colostrum → Galactagogues → Mnemonics + All Shlokas
"""
from reportlab.lib.pagesizes import A4
from reportlab.lib import colors
from reportlab.lib.units import cm
from reportlab.lib.styles import ParagraphStyle
from reportlab.lib.enums import TA_CENTER, TA_LEFT, TA_JUSTIFY
from reportlab.platypus import (
    SimpleDocTemplate, Paragraph, Spacer, Table, TableStyle,
    HRFlowable, Image, KeepTogether, PageBreak
)
from reportlab.pdfbase import pdfmetrics
from reportlab.pdfbase.ttfonts import TTFont
from PIL import Image as PILImage

BASE = "/home/daytona/workspace/kashyap-pdf"

# ── Fonts ─────────────────────────────────────────────────────────────────────
pdfmetrics.registerFont(TTFont('Dev',  f'{BASE}/NotoSansDevanagari-Regular.ttf'))
pdfmetrics.registerFont(TTFont('DevB', f'{BASE}/NotoSansDevanagari-Bold.ttf'))
pdfmetrics.registerFont(TTFont('Ser',  '/usr/share/fonts/truetype/dejavu/DejaVuSerif.ttf'))
pdfmetrics.registerFont(TTFont('SerB', '/usr/share/fonts/truetype/dejavu/DejaVuSerif-Bold.ttf'))
pdfmetrics.registerFont(TTFont('San',  '/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf'))
pdfmetrics.registerFont(TTFont('SanB', '/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf'))

# ── Palette ───────────────────────────────────────────────────────────────────
RED    = colors.HexColor('#7F1D1D')
SAFF   = colors.HexColor('#B45309')
GOLD   = colors.HexColor('#D97706')
TEAL   = colors.HexColor('#0F766E')
DTEAL  = colors.HexColor('#134E4A')
NAVY   = colors.HexColor('#1E3A5F')
PUR    = colors.HexColor('#7C3AED')
PURLT  = colors.HexColor('#F5F3FF')
ORG    = colors.HexColor('#EA580C')
ORGLT  = colors.HexColor('#FFF7ED')
GRN    = colors.HexColor('#15803D')
GRNLT  = colors.HexColor('#F0FDF4')
PINK   = colors.HexColor('#BE185D')
CREAM  = colors.HexColor('#FEF3C7')
YELLLT = colors.HexColor('#FEFCE8')
BLUELT = colors.HexColor('#EFF6FF')
REDLT  = colors.HexColor('#FEF2F2')
DARK   = colors.HexColor('#1C1917')
GRAY   = colors.HexColor('#6B7280')
WHITE  = colors.white
W, H   = A4

# ── Image helper ──────────────────────────────────────────────────────────────
def load_img(path, max_w, max_h):
    try:
        pil = PILImage.open(path)
        nw, nh = pil.size
        pil.close()
        ar = nw / nh
        if max_w / ar <= max_h:
            dw, dh = max_w, max_w / ar
        else:
            dw, dh = max_h * ar, max_h
        return Image(path, width=dw, height=dh)
    except Exception as e:
        print(f"  [img skip] {path}: {e}")
        return None

# ── Style factory ─────────────────────────────────────────────────────────────
def PS(name, **kw):
    return ParagraphStyle(name, **kw)

def make_styles():
    s = {}
    # Cover
    s['cov1']  = PS('c1', fontName='DevB', fontSize=32, leading=46, textColor=WHITE, alignment=TA_CENTER)
    s['cov2']  = PS('c2', fontName='Dev',  fontSize=16, leading=26, textColor=CREAM,  alignment=TA_CENTER)
    s['cov3']  = PS('c3', fontName='Ser',  fontSize=13, leading=20, textColor=CREAM,  alignment=TA_CENTER)
    s['covgold']=PS('cg', fontName='SerB', fontSize=20, leading=30, textColor=GOLD,   alignment=TA_CENTER)
    # Section headers
    s['sec']   = PS('sh', fontName='DevB', fontSize=18, leading=28, textColor=RED,    spaceBefore=10, spaceAfter=4)
    s['secen'] = PS('se', fontName='SerB', fontSize=10, leading=16, textColor=SAFF,   spaceBefore=0,  spaceAfter=5)
    s['sub']   = PS('sb', fontName='DevB', fontSize=13, leading=22, textColor=TEAL,   spaceBefore=8,  spaceAfter=3)
    s['suben'] = PS('sbe',fontName='SanB', fontSize=9,  leading=14, textColor=TEAL,   spaceBefore=1,  spaceAfter=2)
    # Shloka
    s['shl']   = PS('sl', fontName='Dev',  fontSize=14, leading=26, textColor=RED,    alignment=TA_CENTER)
    s['shlref']= PS('sr', fontName='Ser',  fontSize=8.5,leading=13, textColor=SAFF,   alignment=TA_CENTER)
    # Body
    s['body']  = PS('bd', fontName='Dev',  fontSize=11, leading=19, textColor=DARK,   alignment=TA_JUSTIFY, spaceBefore=3, spaceAfter=3)
    s['boden'] = PS('be', fontName='Ser',  fontSize=10.5,leading=17,textColor=DARK,   alignment=TA_JUSTIFY, spaceBefore=2, spaceAfter=2)
    s['hi']    = PS('hi', fontName='DevB', fontSize=11, leading=18, textColor=NAVY,   spaceBefore=3, spaceAfter=2)
    s['bull']  = PS('bu', fontName='Dev',  fontSize=11, leading=18, textColor=DARK,   leftIndent=14, spaceBefore=2, spaceAfter=1)
    s['capt']  = PS('cp', fontName='Ser',  fontSize=8,  leading=12, textColor=GRAY,   alignment=TA_CENTER, spaceBefore=2, spaceAfter=5)
    s['note']  = PS('nt', fontName='Dev',  fontSize=10, leading=16, textColor=DTEAL,  spaceBefore=3, spaceAfter=3)
    s['trick'] = PS('tr', fontName='DevB', fontSize=11, leading=18, textColor=PUR,    spaceBefore=2, spaceAfter=2)
    s['foot']  = PS('ft', fontName='San',  fontSize=7.5,leading=11, textColor=GRAY,   alignment=TA_CENTER)
    # Flow step
    s['flowlabel'] = PS('fl', fontName='SanB', fontSize=9.5, leading=15, textColor=WHITE, alignment=TA_CENTER)
    return s

# ── Flowable helpers ──────────────────────────────────────────────────────────
def shloka_box(lines, ref, S):
    inner = []
    for ln in lines:
        inner.append(Paragraph(ln, S['shl']))
    inner.append(Spacer(1, 3))
    inner.append(Paragraph(ref, S['shlref']))
    t = Table([[inner]], colWidths=[W - 4*cm])
    t.setStyle(TableStyle([
        ('BACKGROUND',   (0,0),(-1,-1), ORGLT),
        ('BOX',          (0,0),(-1,-1), 2,   ORG),
        ('LINEBELOW',    (0,0),(-1,-1), 0,   ORG),
        ('TOPPADDING',   (0,0),(-1,-1), 10),
        ('BOTTOMPADDING',(0,0),(-1,-1), 10),
        ('LEFTPADDING',  (0,0),(-1,-1), 16),
        ('RIGHTPADDING', (0,0),(-1,-1), 16),
    ]))
    return t

def meaning_box(text, S):
    t = Table([[Paragraph(text, S['body'])]], colWidths=[W - 4*cm])
    t.setStyle(TableStyle([
        ('BACKGROUND',   (0,0),(-1,-1), YELLLT),
        ('LINEBELOW',    (0,0),(-1,-1), 1.5, GOLD),
        ('LINEBEFORE',   (0,0),(-1,-1), 4,   GOLD),
        ('TOPPADDING',   (0,0),(-1,-1), 8),
        ('BOTTOMPADDING',(0,0),(-1,-1), 8),
        ('LEFTPADDING',  (0,0),(-1,-1), 12),
        ('RIGHTPADDING', (0,0),(-1,-1), 12),
    ]))
    return t

def trick_box(title, lines, S, bg=None, border=None):
    bg = bg or PURLT; border = border or PUR
    rows = [Paragraph("🧠  " + title, S['trick'])]
    for ln in lines:
        rows.append(Paragraph("  • " + ln, S['bull']))
    t = Table([[rows]], colWidths=[W - 4*cm])
    t.setStyle(TableStyle([
        ('BACKGROUND',   (0,0),(-1,-1), bg),
        ('BOX',          (0,0),(-1,-1), 1.5, border),
        ('LINEBEFORE',   (0,0),(-1,-1), 5, border),
        ('TOPPADDING',   (0,0),(-1,-1), 8),
        ('BOTTOMPADDING',(0,0),(-1,-1), 8),
        ('LEFTPADDING',  (0,0),(-1,-1), 10),
        ('RIGHTPADDING', (0,0),(-1,-1), 10),
    ]))
    return t

def info_box(text, S, bg=None, border=None):
    bg = bg or BLUELT; border = border or NAVY
    t = Table([[Paragraph(text, S['boden'])]], colWidths=[W - 4*cm])
    t.setStyle(TableStyle([
        ('BACKGROUND',   (0,0),(-1,-1), bg),
        ('BOX',          (0,0),(-1,-1), 1.5, border),
        ('TOPPADDING',   (0,0),(-1,-1), 9),
        ('BOTTOMPADDING',(0,0),(-1,-1), 9),
        ('LEFTPADDING',  (0,0),(-1,-1), 12),
        ('RIGHTPADDING', (0,0),(-1,-1), 12),
    ]))
    return t

def sec_bar(text, sub, bg, S):
    inner = [Paragraph(text, S['sec']), Paragraph(sub, S['secen'])]
    t = Table([[inner]], colWidths=[W - 4*cm])
    t.setStyle(TableStyle([
        ('BACKGROUND',   (0,0),(-1,-1), colors.HexColor('#FEF9EE')),
        ('LINEBELOW',    (0,0),(-1,-1), 2.5, bg),
        ('TOPPADDING',   (0,0),(-1,-1), 4),
        ('BOTTOMPADDING',(0,0),(-1,-1), 4),
        ('LEFTPADDING',  (0,0),(-1,-1), 8),
    ]))
    return t

def dtable(headers, rows, cw, hbg, S):
    hst = ParagraphStyle('th', fontName='DevB', fontSize=10, leading=15,
                          textColor=WHITE, alignment=TA_CENTER)
    dst = ParagraphStyle('td', fontName='Dev',  fontSize=9.5, leading=15,
                          textColor=DARK,  alignment=TA_CENTER)
    data = [[Paragraph(h, hst) for h in headers]]
    for row in rows:
        data.append([Paragraph(str(c), dst) for c in row])
    t = Table(data, colWidths=cw, repeatRows=1)
    t.setStyle(TableStyle([
        ('BACKGROUND',    (0,0),(-1,0),  hbg),
        ('ROWBACKGROUNDS',(0,1),(-1,-1), [colors.HexColor('#FFFBEB'), WHITE]),
        ('GRID',          (0,0),(-1,-1), 0.5, GOLD),
        ('TOPPADDING',    (0,0),(-1,-1), 5),
        ('BOTTOMPADDING', (0,0),(-1,-1), 5),
        ('LEFTPADDING',   (0,0),(-1,-1), 6),
        ('RIGHTPADDING',  (0,0),(-1,-1), 6),
        ('VALIGN',        (0,0),(-1,-1), 'MIDDLE'),
    ]))
    return t

def flow_arrow(S):
    return Paragraph("⬇", ParagraphStyle('ar', fontName='San', fontSize=16,
                     alignment=TA_CENTER, textColor=GOLD, spaceBefore=2, spaceAfter=2))

def flow_step(text, bg, S):
    t = Table([[Paragraph(text, S['flowlabel'])]], colWidths=[10*cm])
    t.setStyle(TableStyle([
        ('BACKGROUND',   (0,0),(-1,-1), bg),
        ('TOPPADDING',   (0,0),(-1,-1), 7),
        ('BOTTOMPADDING',(0,0),(-1,-1), 7),
        ('LEFTPADDING',  (0,0),(-1,-1), 10),
        ('RIGHTPADDING', (0,0),(-1,-1), 10),
        ('BOX',          (0,0),(-1,-1), 0, WHITE),
    ]))
    wrap = Table([[t]], colWidths=[W - 4*cm])
    wrap.setStyle(TableStyle([('ALIGN',(0,0),(-1,-1),'CENTER')]))
    return wrap

def divider():
    return HRFlowable(width='100%', thickness=1.5, color=GOLD, spaceBefore=6, spaceAfter=6)

def sp(n=0.25):
    return Spacer(1, n*cm)

# ── Page header/footer ────────────────────────────────────────────────────────
def on_page(canvas, doc):
    canvas.saveState()
    canvas.setFillColor(RED)
    canvas.rect(0, H-22, W, 22, fill=1, stroke=0)
    canvas.setFont('Dev', 8.5)
    canvas.setFillColor(CREAM)
    canvas.drawString(1.5*cm, H-14.5, '🍼  Physiology of Lactation — Easy Guide with Shloka & Images')
    canvas.drawRightString(W-1.5*cm, H-14.5, 'Schwartz Surgery | Creasy & Resnik | Kashyapa Samhita')
    canvas.setFillColor(colors.HexColor('#E7E5E4'))
    canvas.rect(0, 0, W, 17, fill=1, stroke=0)
    canvas.setFont('San', 7.5)
    canvas.setFillColor(GRAY)
    canvas.drawCentredString(W/2, 5,
        f'Page {doc.page}  |  Prolactin · Oxytocin · Let-Down Reflex · Lactogenesis · Colostrum')
    canvas.restoreState()

# ═════════════════════════════════════════════════════════════════════════════
def build():
    out = f'{BASE}/Lactation_Physiology_Easy_Guide.pdf'
    doc = SimpleDocTemplate(out, pagesize=A4,
        leftMargin=2*cm, rightMargin=2*cm,
        topMargin=2.2*cm, bottomMargin=1.8*cm,
        title='Physiology of Lactation — Easy Guide')
    S  = make_styles()
    st = []   # story

    # ══════════════════════════════════════════════════════════════
    # COVER
    # ══════════════════════════════════════════════════════════════
    cv = [
        sp(0.3),
        Paragraph("🍼", ParagraphStyle('em', fontName='San', fontSize=54,
                   alignment=TA_CENTER, textColor=GOLD, spaceAfter=2)),
        Paragraph("Physiology of Lactation", S['covgold']),
        Paragraph("दुग्ध-स्राव का क्रियाविज्ञान", S['cov1']),
        sp(0.3),
        Paragraph("Easy Step-by-Step Guide", S['cov3']),
        Paragraph("with Images, Flowcharts & Sanskrit Shlokas", S['cov2']),
        sp(0.6),
        Paragraph("Breast Anatomy  •  Lactogenesis I–III  •  Prolactin  •  Oxytocin", S['cov2']),
        Paragraph("Let-Down Reflex  •  Colostrum  •  Galactagogues  •  Mnemonics", S['cov2']),
        sp(0.8),
        Paragraph("Sources: Schwartz's Surgery 11e  |  Creasy & Resnik MFM  |  काश्यप संहिता", S['cov3']),
        sp(0.3),
    ]
    cvt = Table([[cv]], colWidths=[W-4*cm])
    cvt.setStyle(TableStyle([
        ('BACKGROUND',   (0,0),(-1,-1), RED),
        ('BOX',          (0,0),(-1,-1), 3,   GOLD),
        ('TOPPADDING',   (0,0),(-1,-1), 20),
        ('BOTTOMPADDING',(0,0),(-1,-1), 25),
        ('LEFTPADDING',  (0,0),(-1,-1), 20),
        ('RIGHTPADDING', (0,0),(-1,-1), 20),
    ]))
    st.append(cvt); st.append(sp(0.5))

    # Intro shloka on cover
    st.append(shloka_box([
        'रसादेव स्तन्यमुत्पद्यते नित्यं रक्तसमानगुणं हि तत् ।',
        'स्नेहेन पित्तेन च संस्कृतं क्षीरत्वमाप्नोति शुभं सदा ॥',
    ], '— काश्यप संहिता, सूत्रस्थान (Stanya originates from Rasa Dhatu)', S))
    st.append(sp(0.25))
    st.append(meaning_box(
        'अर्थ: रस धातु से ही स्तन्य नित्य उत्पन्न होता है। यह रक्त के समान गुण वाला है। '
        'पित्त एवं स्नेह (ओज) द्वारा संस्कारित होकर यह शुभ क्षीर (Milk) का रूप धारण करता है।', S))
    st.append(sp(0.4))

    # ══════════════════════════════════════════════════════════════
    # STEP 1 — ANATOMY
    # ══════════════════════════════════════════════════════════════
    st.append(divider())
    st.append(sec_bar('🏗️  Step 1 — Breast ki Structure samjho (Anatomy)',
                       'Mammary Gland Anatomy | Alveoli → Ducts → Sinus → Nipple', RED, S))
    st.append(sp(0.2))

    img1 = load_img(f'{BASE}/img_breast_anatomy.png', W-4*cm, 7*cm)
    if img1:
        st.append(img1)
        st.append(Paragraph(
            'Fig 1: Breast Anatomy — Lobules, Lactiferous Ducts, Fatty Tissue, Pectoralis Major\n'
            '(PrepLadder / OBS-GYN Residency — Basic Sciences)', S['capt']))
    st.append(sp(0.2))

    st.append(info_box(
        '🏭 Breast ek MILK FACTORY hai! Isko 3 parts mein samjho:\n'
        '• Alveoli (छोटी थैलियाँ) = Yahan milk BANTA hai — Factory Floor\n'
        '• Lactiferous Ducts (नलियाँ) = Milk ko nipple tak le jaati hain — Pipe System\n'
        '• Lactiferous Sinus = Nipple ke paas milk STORE hoti hai — Storage Tank', S))
    st.append(sp(0.25))

    st.append(Paragraph("Alveoli ke 2 Important Cells:", S['sub']))
    st.append(dtable(
        ['Cell', 'Kaam (Function)', 'Hormone Signal', 'Analogy'],
        [
            ['Lactocytes', 'Milk BANATE hain (synthesis)', 'Prolactin', '🏭 Factory Worker'],
            ['Myoepithelial cells', 'Milk ko SQUEEZE karte hain → ducts mein', 'Oxytocin', '💪 Pump Operator'],
        ],
        [3.5*cm, 4.5*cm, 3*cm, 3*cm], colors.HexColor('#92400E'), S
    ))
    st.append(sp(0.35))

    # ══════════════════════════════════════════════════════════════
    # STEP 2 — PHYSIOLOGIC STAGES + IMAGE
    # ══════════════════════════════════════════════════════════════
    st.append(divider())
    st.append(sec_bar('📊  Step 2 — Breast ka Life Journey (Physiologic Stages)',
                       'Adolescence → Pregnancy → Lactation → Senescence', TEAL, S))
    st.append(sp(0.2))

    img2 = load_img(f'{BASE}/img_stages.png', W-4*cm, 10*cm)
    if img2:
        st.append(img2)
        st.append(Paragraph(
            'Fig 2: Breast at Different Physiologic Stages\n'
            'A = Adolescence (ductal growth)  |  B = Pregnancy (lobular development)\n'
            'C = Lactation (alveoli full, actively secreting)  |  D = Senescence (involution)\n'
            'Source: Schwartz\'s Principles of Surgery 11e, Fig 17-9', S['capt']))
    st.append(sp(0.2))

    st.append(dtable(
        ['Stage', 'Kab', 'Breast mein kya hota hai', 'Main Hormone'],
        [
            ['A — Adolescence', 'Puberty', 'Ducts grow, simple branching', 'Estrogen'],
            ['B — Pregnancy', 'Gestation', 'Ducts + Lobules fully develop, alveoli form, colostrum fills', 'E+P+Prolactin'],
            ['C — Lactation', 'Postpartum', 'Alveoli milk se bhare, actively secreting', 'Prolactin + OT'],
            ['D — Senescence', 'Menopause', 'Alveoli/ducts shrink, fat replaces gland tissue', 'Estrogen ↓'],
        ],
        [3*cm, 2.5*cm, 6*cm, 2.5*cm], TEAL, S
    ))
    st.append(sp(0.4))
    st.append(PageBreak())

    # ══════════════════════════════════════════════════════════════
    # STEP 3 — DO MAIN HORMONES
    # ══════════════════════════════════════════════════════════════
    st.append(divider())
    st.append(sec_bar('🔑  Step 3 — Do Main Hormones (Ye hi sab karte hain!)',
                       'Prolactin (MAKE) + Oxytocin (EJECT) — The Two Pillars of Lactation', PUR, S))
    st.append(sp(0.25))

    # Side-by-side: flowchart image + text
    img3 = load_img(f'{BASE}/img_neuro.png', (W-4*cm)*0.52, 8*cm)
    prl_text = [
        Paragraph("🟣 PROLACTIN — 'Milk BANAO' Hormone", ParagraphStyle(
            'pt', fontName='DevB', fontSize=13, leading=20, textColor=PUR, spaceAfter=6)),
        Paragraph("Source: Anterior Pituitary (Anteroir = Aage wali gland)", S['boden']),
        sp(0.15),
    ]
    prl_steps = [
        ("👶 Baby nipple chushe", PUR),
        ("🦷 Nipple ke Mechanoreceptors stimulate", NAVY),
        ("🧠 Hypothalamus → ↓ Dopamine (PIF)", PUR),
        ("🏥 Anterior Pituitary", colors.HexColor('#6D28D9')),
        ("💜 PROLACTIN released ↑", colors.HexColor('#4C1D95')),
        ("🏭 Lactocytes → MILK BANTA HAI", GRN),
    ]
    for label, clr in prl_steps:
        b = Table([[Paragraph(label, ParagraphStyle('fs', fontName='DevB', fontSize=9,
                   leading=14, textColor=WHITE, alignment=TA_CENTER))]],
                  colWidths=[(W-4*cm)*0.46])
        b.setStyle(TableStyle([('BACKGROUND',(0,0),(-1,-1),clr),
                               ('TOPPADDING',(0,0),(-1,-1),5),('BOTTOMPADDING',(0,0),(-1,-1),5)]))
        prl_text.append(b)
        prl_text.append(Paragraph("↓", ParagraphStyle('dw', fontName='San', fontSize=12,
                        alignment=TA_CENTER, textColor=GOLD)))

    img3_cell = [[img3]] if img3 else [[Paragraph("(diagram)", S['capt'])]]
    side = Table([[ prl_text, img3_cell[0] ]],
                 colWidths=[(W-4*cm)*0.48, (W-4*cm)*0.52])
    side.setStyle(TableStyle([
        ('VALIGN',(0,0),(-1,-1),'TOP'),
        ('LEFTPADDING',(0,0),(-1,-1),4),('RIGHTPADDING',(0,0),(-1,-1),4),
    ]))
    st.append(side)
    st.append(Paragraph(
        'Fig 3: Prolactin & Oxytocin pathway — Hypothalamus → Pituitary → Breast & Uterus\n'
        '(Creasy & Resnik MFM, Fig 11.5 + InTech diagram)', S['capt']))
    st.append(sp(0.3))

    # Oxytocin box
    st.append(Paragraph("🟠 OXYTOCIN — 'Milk NIKALO' Hormone", ParagraphStyle(
        'ot', fontName='DevB', fontSize=13, leading=20, textColor=ORG, spaceBefore=8, spaceAfter=4)))
    st.append(info_box(
        'Source: Posterior Pituitary (Posterior = Peeche wali gland)\n\n'
        'Baby sucks  OR  Baby cries  OR  Baby ki smell/sight\n'
        '  ↓  Nerve impulses  →  Hypothalamus (PVN nucleus)\n'
        '  ↓  Posterior Pituitary  →  🟠 OXYTOCIN released\n'
        '  ↓  Myoepithelial cells SQUEEZE alveoli\n'
        '  ↓  Milk → Ducts → Sinus → Nipple  →  🍼 MILK BAHAR AATA HAI!', S,
        bg=ORGLT, border=ORG))
    st.append(sp(0.2))

    # Shloka for let-down
    st.append(shloka_box([
        'स्नेहस्य स्राव-हेतुश्च वायुः पित्तेन संयुतः ।',
        'शिशोः स्पर्शात् च शब्दाच्च स्तन्यस्रावः प्रवर्तते ॥',
    ], '— काश्यप संहिता (Ayurvedic description of Let-Down Reflex)', S))
    st.append(sp(0.15))
    st.append(meaning_box(
        'अर्थ: वायु (Vāyu) एवं पित्त के सहयोग से स्नेह (दूध) का स्रावण होता है। '
        'शिशु के स्पर्श एवं उसकी आवाज़ (cry) से स्तन्य-स्राव आरम्भ होता है।\n'
        '→ यही modern "Conditioned Let-Down Reflex" का Ayurvedic वर्णन है!', S))
    st.append(sp(0.3))

    # Compare table
    st.append(Paragraph("Prolactin बनाम Oxytocin — Confusion Table", S['sub']))
    st.append(dtable(
        ['Feature', '💜 Prolactin', '🟠 Oxytocin'],
        [
            ['Kaam / Job', 'Milk BANANA (synthesis)', 'Milk NIKALNA (ejection)'],
            ['Pituitary gland', 'Anterior (aage)', 'Posterior (peeche)'],
            ['Trigger', 'Suckling only', 'Suckling + baby cry/sight/smell'],
            ['Conditioned reflex', '❌ Nahi hota', '✅ Hota hai (baby cry sunke milk aata hai!)'],
            ['Stress effect', 'Mild inhibition', 'Strong block → adrenaline vasoconstricts'],
            ['Ayurvedic parallel', 'पित्त → निर्माण (making)', 'वायु → प्रवाह (flow/ejection)'],
        ],
        [3.5*cm, 5.5*cm, 5*cm], PUR, S
    ))
    st.append(sp(0.25))
    st.append(trick_box("PRL vs OT — Easy Trick",
        ["P = PRODUCE (Prolactin = Produce milk)",
         "O = OUT (Oxytocin = push milk Out)",
         "Anterior = A = milkA BANANA",
         "Posterior = P = milk Push karna"],
        S, bg=PURLT, border=PUR))
    st.append(sp(0.4))
    st.append(PageBreak())

    # ══════════════════════════════════════════════════════════════
    # STEP 4 — LET-DOWN REFLEX COMPLETE DIAGRAM
    # ══════════════════════════════════════════════════════════════
    st.append(divider())
    st.append(sec_bar('🔄  Step 4 — Let-Down Reflex — Neuroendocrine Pathway',
                       'Complete Milk Ejection Reflex with Inhibitors & Stimulators', ORG, S))
    st.append(sp(0.2))

    img4 = load_img(f'{BASE}/img_reflex.jpg', W-4*cm, 12*cm)
    if img4:
        st.append(img4)
        st.append(Paragraph(
            'Fig 4: Complete Let-Down Reflex — Suckling → Sensory impulses → Hypothalamus → '
            'Posterior Pituitary → Oxytocin → Myoepithelial contraction → Milk ejected\n'
            'Source: OpenStax Anatomy & Physiology', S['capt']))
    st.append(sp(0.25))

    # Let-down flowchart as text boxes
    st.append(Paragraph("Let-Down Reflex — Step-by-Step Flowchart:", S['sub']))
    lf_steps = [
        ("👶 Baby sucks nipple / cries / you see baby", TEAL),
        ("🦷 Nipple + Areola mechanoreceptors stimulate", NAVY),
        ("⬆ Spinal cord → Hypothalamus (PVN nucleus)", PUR),
        ("🏥 Posterior Pituitary", ORG),
        ("💉 OXYTOCIN enters bloodstream", RED),
        ("💪 Myoepithelial cells SQUEEZE alveoli", GRN),
        ("🍼 MILK EJECTED → ducts → sinus → nipple!", colors.HexColor('#92400E')),
    ]
    for label, clr in lf_steps:
        st.append(flow_step(label, clr, S))
        if label != lf_steps[-1][0]:
            st.append(flow_arrow(S))
    st.append(sp(0.3))

    # Inhibitors & stimulators
    inh_rows = [
        ["❌ INHIBITORS (Let-Down rokne wale)", "✅ STIMULATORS (Let-Down badhane wale)"],
        ["😰 Stress / Anxiety / Fear", "👶 Suckling (sabse important)"],
        ["😣 Pain (nipple/breast)", "😢 Baby ki cry sunna (conditioned reflex!)"],
        ["💊 Adrenaline → vasoconstriction → OT blocked", "🤱 Skin-to-skin contact"],
        ["😨 Depression / negative environment", "🌡️ Warm shower/compress on breast"],
        ["🥶 Cold / discomfort", "😌 Relaxation, deep breathing"],
    ]
    inh_t = Table(inh_rows, colWidths=[(W-4*cm)*0.5, (W-4*cm)*0.5])
    inh_t.setStyle(TableStyle([
        ('BACKGROUND', (0,0),(0,0), RED),   ('BACKGROUND', (1,0),(1,0), GRN),
        ('TEXTCOLOR',  (0,0),(1,0), WHITE),
        ('FONTNAME',   (0,0),(1,0), 'SanB'), ('FONTSIZE', (0,0),(1,0), 10),
        ('ROWBACKGROUNDS', (0,1),(-1,-1), [colors.HexColor('#FEF2F2'), colors.HexColor('#F0FDF4')]),
        ('GRID',    (0,0),(-1,-1), 0.5, GOLD),
        ('FONTNAME',(0,1),(-1,-1), 'Dev'), ('FONTSIZE', (0,1),(-1,-1), 9.5),
        ('TOPPADDING',(0,0),(-1,-1), 5), ('BOTTOMPADDING',(0,0),(-1,-1), 5),
        ('LEFTPADDING',(0,0),(-1,-1), 6), ('RIGHTPADDING',(0,0),(-1,-1), 6),
        ('ALIGN', (0,0),(-1,-1), 'CENTER'), ('VALIGN',(0,0),(-1,-1),'MIDDLE'),
    ]))
    st.append(inh_t)
    st.append(sp(0.4))

    # ══════════════════════════════════════════════════════════════
    # STEP 5 — LACTOGENESIS 3 STAGES
    # ══════════════════════════════════════════════════════════════
    st.append(divider())
    st.append(sec_bar('📅  Step 5 — Lactogenesis ke 3 Stages (Milk aane ki process)',
                       'Stage I → Stage II → Stage III (Galactopoiesis)', NAVY, S))
    st.append(sp(0.2))

    img5 = load_img(f'{BASE}/img_prolactin.png', W-4*cm, 6.5*cm)
    if img5:
        st.append(img5)
        st.append(Paragraph(
            'Fig 5: Prolactin (PRL) levels — Amniotic fluid, Maternal plasma & Fetal plasma '
            'during pregnancy and postpartum\nSource: Creasy & Resnik\'s Maternal-Fetal Medicine, Fig 10.12', S['capt']))
    st.append(sp(0.2))

    st.append(dtable(
        ['Stage', 'Kab (When)', 'Kya hota hai', 'Hormone Logic'],
        [
            ['Stage I', 'Pregnancy 16–22 wks',
             'Colostrum form hota hai; milk secretion RUKI hai',
             'PRL ↑ but Progesterone BLOCKS secretion'],
            ['Stage II', 'Delivery ke 30–72 hrs baad',
             '"MILK AA GAYA!" — volume suddenly ↑↑',
             'Estrogen + Progesterone ↓↓ → PRL FREE → secretion starts'],
            ['Stage III\n(Galactopoiesis)', 'Day 4 onwards',
             'Demand = Supply loop; suckling se milk banta rahe',
             'Each feed → PRL surge + Autocrine FIL regulates'],
        ],
        [2.5*cm, 3*cm, 4.5*cm, 4*cm], NAVY, S
    ))
    st.append(sp(0.25))
    st.append(trick_box("PIPE — Lactogenesis Trick",
        ["P = Progesterone Inhibits (pregnancy mein doodh blocked rahta hai)",
         "I  = Inhibition lifts at delivery",
         "P = Prolactin Pours out freely",
         "E = Establish breastfeeding → milk continues!"],
        S, bg=BLUELT, border=NAVY))
    st.append(sp(0.35))
    st.append(PageBreak())

    # ══════════════════════════════════════════════════════════════
    # STEP 6 — COLOSTRUM
    # ══════════════════════════════════════════════════════════════
    st.append(divider())
    st.append(sec_bar('🍶  Step 6 — Colostrum (पीयूष) — Liquid Gold',
                       'First Milk | Days 1–3 | Immunity + Nutrition', GOLD, S))
    st.append(sp(0.2))

    st.append(shloka_box([
        'पीयूषः पीतवर्णश्च गुरुः स्निग्धो बलप्रदः ।',
        'प्रथमं स्तन्यमेतद्धि सर्वरोगनिवारणम् ॥',
        'जन्तुः पीयूषपानेन दीर्घायुर्जायते ध्रुवम् ॥',
    ], '— काश्यप संहिता / अष्टांग संग्रह', S))
    st.append(sp(0.15))
    st.append(meaning_box(
        'अर्थ: पीयूष पीले रंग का, गुरु, स्निग्ध, बलप्रद होता है। '
        'यह प्रथम स्तन्य सर्वरोग-निवारक है। इसके सेवन से शिशु दीर्घायु होता है।\n'
        '→ Modern science: Colostrum = "Liquid Gold" — sIgA + Lactoferrin + Lysozyme = Baby\'s FIRST vaccine!', S))
    st.append(sp(0.2))

    st.append(dtable(
        ['Property', 'Colostrum (पीयूष)\nDays 1–3', 'Transitional Milk\nDays 4–14', 'Mature Milk\nDay 14 onwards'],
        [
            ['Colour', '🟡 Yellow (beta-carotene)', 'Creamy white', '⬜ White'],
            ['Volume', '2–20 mL/feed', '50–200 mL/day', '700–900 mL/day'],
            ['Protein', '10 g/100 mL (HIGH)', 'Intermediate', '1.5 g/100 mL'],
            ['Fat', 'Low', 'Increasing', 'High (4 g/100 mL)'],
            ['sIgA', '⭐ Very HIGH (immunity)', 'Decreasing', 'Moderate'],
            ['Laxative', '✅ YES → meconium pass', 'Mild', '❌ No'],
            ['Special component', 'Lactoferrin, Lysozyme\n(antimicrobial!)', '—', 'Lactose, LCPUFA'],
        ],
        [3*cm, 3.5*cm, 3*cm, 3.5*cm], colors.HexColor('#92400E'), S
    ))
    st.append(sp(0.4))

    # ══════════════════════════════════════════════════════════════
    # STEP 7 — GALACTAGOGUES
    # ══════════════════════════════════════════════════════════════
    st.append(divider())
    st.append(sec_bar('🌿  Step 7 — Galactagogues — Milk Badhane wale',
                       'Stanya-vardhaka Dravya | Herbs + Modern medications', GRN, S))
    st.append(sp(0.2))

    st.append(shloka_box([
        'शतावरी विदारी च जीवन्ती मधुयष्टिका ।',
        'काकोली क्षीरकाकोली — स्तन्यवर्धनकारणम् ॥',
    ], '— काश्यप संहिता, सूत्रस्थान — Stanya-vardhaka herbs', S))
    st.append(sp(0.15))
    st.append(meaning_box(
        'अर्थ: शतावरी, विदारी, जीवन्ती, मधुयष्टि, काकोली, क्षीरकाकोली — '
        'ये सभी स्तन्यवर्धक (milk-increasing) द्रव्य हैं।', S))
    st.append(sp(0.2))

    st.append(dtable(
        ['Herb / Drug', 'Latin / Generic', 'Mechanism', 'Dose'],
        [
            ['शतावरी (Shatavari)', 'Asparagus racemosus', 'Prolactin-like phytoestrogen', '5g churna + milk'],
            ['विदारीकन्द', 'Pueraria tuberosa', 'Estrogenic + anabolic', '3g churna + ghee'],
            ['जीवन्ती', 'Leptadenia reticulata', 'Ojas-vardhak, immunomod.', '2g in milk'],
            ['Fenugreek (मेथी)', 'Trigonella foenum-graecum', 'Most-studied galactagogue', '1–3 caps TID'],
            ['Domperidone', '(Modern drug)', '↑ Prolactin by ↓ Dopamine', '10 mg TDS (Rx)'],
        ],
        [3.5*cm, 3.5*cm, 4*cm, 3*cm], GRN, S
    ))
    st.append(sp(0.4))
    st.append(PageBreak())

    # ══════════════════════════════════════════════════════════════
    # STEP 8 — FIRST HOUR BF + LATCH
    # ══════════════════════════════════════════════════════════════
    st.append(divider())
    st.append(sec_bar('👶  Step 8 — Pehle Ghante mein Breastfeeding (First Hour)',
                       'WHO Recommendation | SSCALE Steps | Correct Latch', GRN, S))
    st.append(sp(0.2))

    st.append(shloka_box([
        'जातमात्रस्य शिशोः स्तन्यं देयं तत्क्षणमेव हि ।',
        'आयुः बलं च मेधां च ददाति प्रथमं पयः ॥',
    ], '— काश्यप संहिता, खिलस्थान — Neonatal care', S))
    st.append(sp(0.15))
    st.append(meaning_box(
        'अर्थ: जन्म के तत्काल बाद नवजात को स्तन्य देना चाहिए। '
        'यह प्रथम दूध (पीयूष/Colostrum) आयु, बल और मेधा (intelligence) प्रदान करता है।\n'
        '→ WHO: Initiate breastfeeding within 1 HOUR of birth!', S))
    st.append(sp(0.2))

    st.append(dtable(
        ['Step', 'Kaam', 'Time', 'Key Point'],
        [
            ['S — Skin-to-Skin', 'Newborn maata ke seene pe', '0–5 min', 'Temp control + bonding + OT surge'],
            ['S — Cord Delay', 'Naal kaatne se pehle ruko', '1–3 min', '80-100 mL extra blood to baby'],
            ['C — Cues Watch', 'Rooting, mouth open, hand-to-mouth', '5–30 min', 'Rona = LATE hunger sign!'],
            ['A — Assist Latch', 'Full areola mouth mein', '30–45 min', 'Dard nahi = sahi latch'],
            ['L — Let Feed', 'Baby decide kare kab chhodna hai', '45–60 min', '8–12 feeds/24 hrs normal'],
            ['E — Express+Educate', 'Hand expression sikhao', 'Pre-discharge', 'Formula/pacifier avoid karo'],
        ],
        [3*cm, 3*cm, 2*cm, 6*cm], GRN, S
    ))
    st.append(sp(0.2))

    # Latch image
    img6 = load_img(f'{BASE}/img_latch.png', W-4*cm, 6*cm)
    if img6:
        st.append(img6)
        st.append(Paragraph(
            'Fig 6: Correct Latch Technique — (a) Tickle baby lips with nipple → wide open mouth, '
            '(b) Chin-led approach, (c) Full areola in mouth\n'
            'Source: Creasy & Resnik\'s MFM, Fig 11.8', S['capt']))
    st.append(sp(0.2))

    st.append(trick_box("SSCALE — First Hour BF Mnemonic",
        ["S = Skin-to-skin immediately",
         "S = String (cord) — delay clamping",
         "C = Cues — watch feeding cues (don't wait for cry)",
         "A = Assist correct latch",
         "L = Let baby decide feed duration",
         "E = Express + Educate mother"],
        S, bg=GRNLT, border=GRN))
    st.append(sp(0.35))

    # ══════════════════════════════════════════════════════════════
    # STEP 9 — STOPPING LACTATION
    # ══════════════════════════════════════════════════════════════
    st.append(divider())
    st.append(sec_bar('🛑  Step 9 — Lactation Rokne pe kya hota hai (Involution)',
                       'FIL mechanism | Milk stasis | Gland involution', RED, S))
    st.append(sp(0.15))
    st.append(info_box(
        'Jab suckling band hota hai:\n'
        '  1. Milk accumulates → Alveoli stretch hote hain (pressure builds)\n'
        '  2. FIL (Feedback Inhibitor of Lactation) — ek whey protein — milk production ROK deta hai\n'
        '  3. Prolactin surges band hote hain → Lactocytes stop synthesis\n'
        '  4. Alveoli collapse → Myoepithelial cells disappear\n'
        '  5. Gradually Gland Involution → Breast normal size pe wapas (fat tissue replace karti hai)\n\n'
        'Key point: Full breast = LESS milk made (FIL feedback) | Empty breast = MORE milk made\n'
        '→ Isi liye frequent feeding se milk supply achhi rahti hai!', S, bg=REDLT, border=RED))
    st.append(sp(0.3))

    # ══════════════════════════════════════════════════════════════
    # STEP 10 — MASTER SUMMARY SHLOKA + MNEMONICS
    # ══════════════════════════════════════════════════════════════
    st.append(divider())
    st.append(sec_bar('🧠  Step 10 — Master Summary: Shlokas + All Mnemonics',
                       'Exam-Ready Quick Recall | All Memory Tricks Together', NAVY, S))
    st.append(sp(0.2))

    # Stanya dushti shloka
    st.append(Paragraph("📜 Stanya Dushti (Vitiated Milk) Shloka:", S['sub']))
    st.append(shloka_box([
        'स्तन्यं दुष्टं भवेद्रोगकारणं तस्य शिशोः सदा ।',
        'शोधनीयं सदा तस्मात् स्तन्यं माता विशोधयेत् ॥',
    ], '— काश्यप संहिता, सूत्रस्थान', S))
    st.append(sp(0.1))
    st.append(meaning_box('अर्थ: दूषित स्तन्य सदा शिशु रोगों का कारण बनता है। '
        'अतः माता को सदा स्तन्यशोधन (purification through diet + herbs) करना चाहिए।', S))
    st.append(sp(0.2))

    # Srotas shloka
    st.append(Paragraph("📜 Stanya-vāha Srotas Shloka:", S['sub']))
    st.append(shloka_box([
        'स्तन्यवाहीनि स्रोतांसि स्तनयोः मूलमाश्रिता ।',
        'उरसि चैव हृदये — स्तन्यवाहीनि सन्ति हि ॥',
    ], '— चरक संहिता, विमानस्थान ५/८ (Stanya-vāha Srotas origin)', S))
    st.append(sp(0.1))
    st.append(meaning_box('अर्थ: स्तन्य-वाह स्रोतस् के मूल स्तनों एवं उरस् (thorax) '
        'तथा हृदय में स्थित हैं। ये रस धातु को स्तन में पहुँचाते हैं।\n'
        '→ Modern: Mammary gland + Thoracic lymphatics = origin of milk-carrying channels', S))
    st.append(sp(0.25))

    # ALL MNEMONICS BOX
    all_tricks = [
        ["🧠 ARPOV", "Ayurvedic stanya formation: Ahara→Rasa→Pitta→Ojas→Vāha Srotas"],
        ["🧠 PIPE", "Lactogenesis trigger: Progesterone Inhibits→Post-delivery→Prolactin Pours→Establish BF"],
        ["🧠 SuHAP Milk", "Prolactin: Suckling→Hypothalamus→Anterior pit→Prolactin→Milk"],
        ["🧠 P = Produce\nO = Out", "Prolactin = Produce milk (Anterior) | Oxytocin = push Out (Posterior)"],
        ["🧠 SSCALE", "First hour BF: Skin-to-skin→Cord delay→Cues→Assist latch→Let feed→Express"],
        ["🧠 LATCH score", "Latch | Audible swallow | Type nipple | Comfort | Hold/positioning"],
        ["🧠 Colostrum = Liquid Gold", "Yellow, Days 1-3, High IgA, Laxative, Antimicrobial, 2-20mL/feed"],
        ["🧠 FIL = Full stops", "Full breast → FIL → stops more milk | Empty breast → more milk made"],
    ]
    mtr = []
    for trick, meaning in all_tricks:
        mtr.append([
            Table([[Paragraph(trick, ParagraphStyle('tk', fontName='DevB', fontSize=10, leading=16, textColor=PUR, alignment=TA_CENTER))]],
                  colWidths=[3.5*cm]),
            Table([[Paragraph(meaning, ParagraphStyle('mv', fontName='Dev', fontSize=10, leading=16, textColor=DARK))]],
                  colWidths=[10*cm]),
        ])
    mt = Table(mtr, colWidths=[3.5*cm, 10*cm])
    mt.setStyle(TableStyle([
        ('ROWBACKGROUNDS', (0,0),(-1,-1), [PURLT, WHITE]),
        ('GRID',  (0,0),(-1,-1), 0.5, colors.HexColor('#DDD6FE')),
        ('TOPPADDING',   (0,0),(-1,-1), 6),
        ('BOTTOMPADDING',(0,0),(-1,-1), 6),
        ('LEFTPADDING',  (0,0),(-1,-1), 5),
        ('RIGHTPADDING', (0,0),(-1,-1), 5),
        ('VALIGN', (0,0),(-1,-1), 'MIDDLE'),
    ]))
    st.append(mt)
    st.append(sp(0.35))

    # ══════════════════════════════════════════════════════════════
    # FINAL MASTER QUICK REFERENCE TABLE
    # ══════════════════════════════════════════════════════════════
    st.append(divider())
    st.append(Paragraph("📋 Master Quick-Reference Table (Exam ke liye)", S['sub']))
    st.append(sp(0.1))
    st.append(dtable(
        ['Topic', 'Key Fact'],
        [
            ['Prolactin source', 'Anterior Pituitary (Lactotrope cells)'],
            ['Oxytocin source', 'Posterior Pituitary (Paraventricular nucleus, PVN)'],
            ['Prolactin inhibitor', 'Dopamine (= PIF, Prolactin Inhibiting Factor)'],
            ['Normal PRL', '< 25 ng/mL'],
            ['PRL at delivery', '200–250 ng/mL (10× rise)'],
            ['Lactogenesis II trigger', 'Estrogen + Progesterone withdrawal at delivery'],
            ['FIL', 'Feedback Inhibitor of Lactation — autocrine whey protein'],
            ['Colostrum duration', 'Days 1–3; Volume 2–20 mL/feed'],
            ['Mature milk volume', '700–900 mL/day by Day 14'],
            ['Normal feeds/day (newborn)', '8–12 feeds per 24 hours'],
            ['Stress effect on lactation', 'Adrenaline → vasoconstriction → OT blocked → no let-down'],
            ['Ayurvedic Stanya origin', 'Rasa Dhatu + Pitta + Sneha → Stanya'],
            ['Stanya-vāha Srotas mool', 'Stana + Uras + Hridaya (Charaka Vimana 5/8)'],
            ['Best galactagogue (Ayurvedic)', 'शतावरी (Shatavari) — Asparagus racemosus'],
            ['Best galactagogue (Modern)', 'Domperidone (↑PRL by ↓Dopamine)'],
            ['LATCH score < 7', 'Needs additional breastfeeding support'],
        ],
        [4*cm, 10*cm], NAVY, S
    ))
    st.append(sp(0.3))

    # Closing note
    cl = Table([[Paragraph(
        '⚕️  Clinical Note: Breast milk is always the BEST option for infants under 6 months. '
        'Formula should only be used when breastfeeding is not possible. '
        'Ayurveda reminds us: माता का मानसिक स्वास्थ्य अत्यन्त महत्त्वपूर्ण है — '
        'Chinta (worry) aur Krodha (anger) → Stanya Dushti (milk vitiation). '
        'A relaxed, nourished, supported mother = best milk for baby!',
        ParagraphStyle('cn', fontName='Dev', fontSize=10.5, leading=18, textColor=DTEAL))
    ]], colWidths=[W-4*cm])
    cl.setStyle(TableStyle([
        ('BACKGROUND', (0,0),(-1,-1), GRNLT),
        ('BOX', (0,0),(-1,-1), 2, TEAL),
        ('TOPPADDING',(0,0),(-1,-1), 10),('BOTTOMPADDING',(0,0),(-1,-1), 10),
        ('LEFTPADDING',(0,0),(-1,-1), 14),('RIGHTPADDING',(0,0),(-1,-1), 14),
    ]))
    st.append(cl)
    st.append(sp(0.3))
    st.append(Paragraph(
        'Sources: Schwartz\'s Principles of Surgery 11e (Fig 17-9) | Creasy & Resnik\'s Maternal-Fetal Medicine | '
        'Ganong\'s Review of Medical Physiology 26e | काश्यप संहिता | चरक संहिता | अष्टांग हृदयम् | WHO 2022',
        S['foot']))

    doc.build(st, onFirstPage=on_page, onLaterPages=on_page)
    print(f"✅ PDF: {out}")

if __name__ == '__main__':
    build()