const pptxgen = require("pptxgenjs");

const pres = new pptxgen();
pres.layout = "LAYOUT_16x9";
pres.title = "Normal Pregnancy vs Pre-eclampsia: Pathophysiology";
pres.author = "Medical Education";

// ─── Color Palette ───────────────────────────────────────────────
const C = {
  darkBg:   "0D1B2A",   // deep navy – title / section covers
  midBg:    "1B2A3B",   // mid-navy – content background
  normal:   "1A936F",   // teal-green for Normal Pregnancy
  pre:      "C0392B",   // crimson for Pre-eclampsia
  accent:   "F4A261",   // amber – highlights
  white:    "FFFFFF",
  lightGray:"E8EDF2",
  textDark: "0D1B2A",
  subtext:  "7F8C8D",
  border:   "2C3E50",
};

// ─── Helper: add a dark-background header bar ─────────────────────
function addHeader(slide, title, subtitle) {
  slide.addShape(pres.shapes.RECTANGLE, {
    x: 0, y: 0, w: "100%", h: 1.1,
    fill: { color: C.darkBg },
  });
  slide.addText(title, {
    x: 0.35, y: 0.08, w: 9.3, h: 0.55,
    fontSize: 22, bold: true, color: C.white, fontFace: "Calibri", margin: 0,
  });
  if (subtitle) {
    slide.addText(subtitle, {
      x: 0.35, y: 0.62, w: 9.3, h: 0.38,
      fontSize: 12, color: C.accent, fontFace: "Calibri", italic: true, margin: 0,
    });
  }
}

// ─── Helper: tag pill ─────────────────────────────────────────────
function addTag(slide, label, x, y, color) {
  slide.addShape(pres.shapes.ROUNDED_RECTANGLE, {
    x, y, w: 2.1, h: 0.32,
    fill: { color }, rectRadius: 0.08,
  });
  slide.addText(label, {
    x, y, w: 2.1, h: 0.32,
    fontSize: 10, bold: true, color: C.white, align: "center", valign: "middle",
    fontFace: "Calibri", margin: 0,
  });
}

// ─── Helper: section card ─────────────────────────────────────────
function addCard(slide, x, y, w, h, headText, headColor, bodyItems) {
  // header stripe
  slide.addShape(pres.shapes.RECTANGLE, {
    x, y, w, h: 0.38,
    fill: { color: headColor },
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  slide.addText(headText, {
    x: x + 0.08, y, w: w - 0.16, h: 0.38,
    fontSize: 11, bold: true, color: C.white, valign: "middle", fontFace: "Calibri", margin: 0,
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  // body
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    x, y: y + 0.38, w, h: h - 0.38,
    fill: { color: C.white },
    line: { color: headColor, width: 1.5 },
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  const bullets = bodyItems.map((item, i) => ({
    text: item,
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    valign: "top", fontFace: "Calibri",
  });
}

// ─────────────────────────────────────────────────────────────────
//  SLIDE 1 – TITLE
// ─────────────────────────────────────────────────────────────────
{
  const sl = pres.addSlide();
  sl.addShape(pres.shapes.RECTANGLE, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: C.darkBg } });

  // accent left stripe
  sl.addShape(pres.shapes.RECTANGLE, { x: 0, y: 0, w: 0.18, h: "100%", fill: { color: C.normal } });

  sl.addText("Normal Pregnancy", {
    x: 0.5, y: 1.2, w: 9, h: 0.65,
    fontSize: 32, bold: true, color: C.normal, fontFace: "Calibri", margin: 0,
  });
  sl.addText("vs", {
    x: 0.5, y: 1.85, w: 9, h: 0.5,
    fontSize: 22, color: C.white, fontFace: "Calibri", italic: true, margin: 0,
  });
  sl.addText("Pre-eclampsia", {
    x: 0.5, y: 2.3, w: 9, h: 0.65,
    fontSize: 32, bold: true, color: C.pre, fontFace: "Calibri", margin: 0,
  });
  sl.addText("Pathophysiology — A Comparative Overview", {
    x: 0.5, y: 3.1, w: 9, h: 0.45,
    fontSize: 16, color: C.accent, fontFace: "Calibri", italic: true, margin: 0,
  });
  sl.addShape(pres.shapes.RECTANGLE, {
    x: 0.5, y: 3.62, w: 5, h: 0.04,
    fill: { color: C.accent },
  });
  sl.addText("Sources: Robbins & Kumar Basic Pathology | DC Dutta's Textbook of Obstetrics", {
    x: 0.5, y: 4.8, w: 9, h: 0.35,
    fontSize: 9, color: C.subtext, fontFace: "Calibri", italic: true, margin: 0,
  });
}

// ─────────────────────────────────────────────────────────────────
//  SLIDE 2 – OVERVIEW TABLE
// ─────────────────────────────────────────────────────────────────
{
  const sl = pres.addSlide();
  sl.addShape(pres.shapes.RECTANGLE, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: C.lightGray } });
  addHeader(sl, "At a Glance: Key Differences", "A side-by-side snapshot");

  const rows = [
    ["Feature", "Normal Pregnancy", "Pre-eclampsia"],
    ["Spiral artery remodeling", "Complete — dilated sinusoids", "Impaired — narrow channels"],
    ["Trophoblast invasion", "Full (musculoelastic wall replaced)", "Partial / absent"],
    ["Blood pressure", "Stabilized / normal", "Hypertension (>140/90)"],
    ["Angiotensin-II", "Destroyed by angiotensinase", "Vascular hyper-reactivity"],
    ["Prostacyclin / PGI2", "Increased — vasodilation", "Decreased"],
    ["Thromboxane A2", "Low", "Increased — vasoconstriction"],
    ["Nitric Oxide (NO)", "Produced — vasodilator", "Reduced production"],
    ["VEGF", "Increased — restores blood flow", "Antagonized by sFlt-1 & endoglin"],
    ["Proteinuria", "Absent", "Present (hallmark)"],
    ["Outcome", "Normal uteroplacental flow", "Placental hypoxia / end-organ damage"],
  ];

  const colW = [2.6, 3.2, 3.2];
  const rowH = 0.33;
  const startX = 0.3;
  const startY = 1.2;

  rows.forEach((row, ri) => {
    row.forEach((cell, ci) => {
      const x = startX + colW.slice(0, ci).reduce((a, b) => a + b, 0);
      const y = startY + ri * rowH;
      let bg = ri === 0 ? C.darkBg : (ri % 2 === 0 ? "DDEEFF" : C.white);
      if (ri > 0 && ci === 1) bg = ri % 2 === 0 ? "D5F5E8" : "EAF9F2";
      if (ri > 0 && ci === 2) bg = ri % 2 === 0 ? "FADBD8" : "FDEDEC";
      sl.addShape(pres.shapes.RECTANGLE, {
        x, y, w: colW[ci], h: rowH,
        fill: { color: bg },
        line: { color: "C8D6E5", width: 0.5 },
      });
      sl.addText(cell, {
        x: x + 0.06, y, w: colW[ci] - 0.12, h: rowH,
        fontSize: ri === 0 ? 10 : 9,
        bold: ri === 0 || ci === 0,
        color: ri === 0 ? C.white : C.textDark,
        valign: "middle", fontFace: "Calibri", margin: 0,
      });
    });
  });
}

// ─────────────────────────────────────────────────────────────────
//  SLIDE 3 – SPIRAL ARTERY REMODELING
// ─────────────────────────────────────────────────────────────────
{
  const sl = pres.addSlide();
  sl.addShape(pres.shapes.RECTANGLE, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: "F0F4F8" } });
  addHeader(sl, "Spiral Artery Remodeling", "The central divergence in normal vs pre-eclamptic pregnancy");

  addTag(sl, "NORMAL PREGNANCY", 0.3, 1.25, C.normal);
  addTag(sl, "PRE-ECLAMPSIA", 5.3, 1.25, C.pre);

  // Normal side
  const normalSteps = [
    "Trophoblasts invade spiral artery walls",
    "Musculoelastic wall replaced by fibrinoid formation",
    "Arterioles become distended, tortuous & funnel-shaped",
    "Low resistance · Low pressure · High flow system",
    "Adequate uteroplacental perfusion",
  ];
  addCard(sl, 0.3, 1.65, 4.3, 3.5, "Normal Remodeling Pathway", C.normal, normalSteps);

  // Pre-eclampsia side
  const preSteps = [
    "Second wave of endovascular trophoblast migration FAILS",
    "Musculoelastic walls are RETAINED",
    "Channels remain narrow — vascular remodeling impaired",
    "Decreased uteroplacental blood flow",
    "Placental hypoxia & dysfunction",
  ];
  addCard(sl, 5.3, 1.65, 4.3, 3.5, "Impaired Remodeling in Pre-eclampsia", C.pre, preSteps);

  // Arrow in middle
  sl.addShape(pres.shapes.LEFT_RIGHT_ARROW, {
    x: 4.65, y: 2.8, w: 0.65, h: 0.4,
    fill: { color: C.accent },
  });
  sl.addText("vs", {
    x: 4.65, y: 3.28, w: 0.65, h: 0.28,
    fontSize: 10, bold: true, color: C.border, align: "center", fontFace: "Calibri", margin: 0,
  });
}

// ─────────────────────────────────────────────────────────────────
//  SLIDE 4 – BLOOD PRESSURE MECHANISMS
// ─────────────────────────────────────────────────────────────────
{
  const sl = pres.addSlide();
  sl.addShape(pres.shapes.RECTANGLE, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: "F0F4F8" } });
  addHeader(sl, "Blood Pressure Regulation", "Vasoactive mediator balance in normal pregnancy vs pre-eclampsia");

  // Normal mechanisms
  addCard(sl, 0.3, 1.25, 4.3, 1.7, "Normal: Angiotensin-II Control", C.normal, [
    "Angiotensin-II (part of α2-globulin) present",
    "Angiotensinase liberated from placenta destroys it",
    "Result: Blood pressure stabilized",
  ]);

  addCard(sl, 0.3, 3.05, 4.3, 1.7, "Normal: Prostaglandin I2 & NO", C.normal, [
    "Vascular synthesis of PGI2 and Nitric Oxide (NO)",
    "Vasodilator effect — blunts pressor response to Ang-II",
    "Both systems together maintain normal BP",
  ]);

  // Pre-eclampsia mechanisms
  addCard(sl, 5.3, 1.25, 4.3, 1.7, "Pre-eclampsia: Vascular Hyper-reactivity", C.pre, [
    "Loss of vascular refractoriness to Angiotensin-II",
    "Increased thromboxane A2 (vasoconstrictor)",
    "Result: Severe hypertension",
  ]);

  addCard(sl, 5.3, 3.05, 4.3, 1.7, "Pre-eclampsia: Vasodilator Deficiency", C.pre, [
    "Reduced prostacyclin (PGI2) production",
    "Reduced endothelial Nitric Oxide (NO)",
    "Net effect: Unopposed vasoconstriction → ↑ BP",
  ]);

  // divider line
  sl.addShape(pres.shapes.LINE, {
    x: 4.95, y: 1.2, w: 0, h: 3.6,
    line: { color: C.accent, width: 1.5, dashType: "dash" },
  });
  sl.addText("vs", {
    x: 4.68, y: 2.85, w: 0.6, h: 0.35,
    fontSize: 11, bold: true, color: C.border, align: "center", fontFace: "Calibri",
  });
}

// ─────────────────────────────────────────────────────────────────
//  SLIDE 5 – ANGIOGENIC FACTORS (VEGF / sFlt-1 / Endoglin)
// ─────────────────────────────────────────────────────────────────
{
  const sl = pres.addSlide();
  sl.addShape(pres.shapes.RECTANGLE, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: "F0F4F8" } });
  addHeader(sl, "Angiogenic Factor Imbalance", "VEGF, sFlt-1, endoglin, TGF-β in normal vs pre-eclampsia");

  // VEGF normal
  addCard(sl, 0.3, 1.25, 4.3, 2.0, "Normal Pregnancy: Pro-angiogenic State", C.normal, [
    "VEGF (Vascular Endothelial Growth Factor) — a mitogenic glycoprotein",
    "Increased VEGF restores uteroplacental blood flow to normal",
    "TGF-β supports normal endothelial function",
    "Balance maintained — healthy vascular remodeling",
  ]);

  // VEGF preeclampsia
  addCard(sl, 5.3, 1.25, 4.3, 2.0, "Pre-eclampsia: Anti-angiogenic Shift", C.pre, [
    "↑ Soluble FMS-like tyrosine kinase-1 (sFlt-1) — antagonizes VEGF",
    "↑ Soluble endoglin — antagonizes TGF-β",
    "Net result: VEGF & TGF-β activity suppressed",
    "Endothelial dysfunction & vascular hyper-reactivity",
  ]);

  // Consequences box
  sl.addShape(pres.shapes.RECTANGLE, {
    x: 0.3, y: 3.35, w: 9.3, h: 1.8,
    fill: { color: C.pre }, line: { color: C.pre, width: 0 },
  });
  sl.addText("Consequences of Endothelial Dysfunction in Pre-eclampsia", {
    x: 0.45, y: 3.4, w: 9, h: 0.35,
    fontSize: 11, bold: true, color: C.white, fontFace: "Calibri", margin: 0,
  });
  const consequences = [
    { text: "Placental infarction", options: { bullet: true, breakLine: true, fontSize: 10, color: C.white, fontFace: "Calibri" } },
    { text: "Vascular hyperreactivity → hypertension", options: { bullet: true, breakLine: true, fontSize: 10, color: C.white, fontFace: "Calibri" } },
    { text: "Hypercoagulability → ↑ thrombus risk", options: { bullet: true, breakLine: true, fontSize: 10, color: C.white, fontFace: "Calibri" } },
    { text: "End-organ failure — kidney, liver (HELLP syndrome in ~10% severe cases)", options: { bullet: true, fontSize: 10, color: C.white, fontFace: "Calibri" } },
  ];
  sl.addText(consequences, {
    x: 0.45, y: 3.78, w: 9, h: 1.3, valign: "top", fontFace: "Calibri",
  });
}

// ─────────────────────────────────────────────────────────────────
//  SLIDE 6 – PATHOGENESIS FLOWCHART
// ─────────────────────────────────────────────────────────────────
{
  const sl = pres.addSlide();
  sl.addShape(pres.shapes.RECTANGLE, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: "F0F4F8" } });
  addHeader(sl, "Pre-eclampsia: Pathogenesis Cascade", "Step-by-step mechanism from impaired remodeling to end-organ damage");

  const boxes = [
    { x: 3.5, y: 1.15, w: 3.0, h: 0.45, text: "Inadequate trophoblast invasion", color: C.darkBg },
    { x: 3.5, y: 1.85, w: 3.0, h: 0.45, text: "Retained narrow spiral arteries", color: C.border },
    { x: 3.5, y: 2.55, w: 3.0, h: 0.45, text: "Reduced uteroplacental blood flow", color: C.border },
    { x: 3.5, y: 3.25, w: 3.0, h: 0.45, text: "Placental hypoxia & dysfunction", color: C.pre },
    { x: 3.5, y: 3.95, w: 3.0, h: 0.45, text: "↑ sFlt-1 & Endoglin → endothelial dysfunction", color: C.pre },
    { x: 3.5, y: 4.65, w: 3.0, h: 0.45, text: "Hypertension · Proteinuria · End-organ damage", color: "7D3C98" },
  ];

  boxes.forEach((b, i) => {
    sl.addShape(pres.shapes.ROUNDED_RECTANGLE, {
      x: b.x, y: b.y, w: b.w, h: b.h,
      fill: { color: b.color }, rectRadius: 0.08,
    });
    sl.addText(b.text, {
      x: b.x, y: b.y, w: b.w, h: b.h,
      fontSize: 9.5, bold: true, color: C.white,
      align: "center", valign: "middle", fontFace: "Calibri", margin: 0,
    });
    // downward arrow
    if (i < boxes.length - 1) {
      sl.addShape(pres.shapes.DOWN_ARROW, {
        x: 4.7, y: b.y + b.h, w: 0.6, h: 0.28,
        fill: { color: C.accent },
      });
    }
  });

  // side note: HELLP
  sl.addShape(pres.shapes.ROUNDED_RECTANGLE, {
    x: 0.2, y: 4.55, w: 2.9, h: 0.65,
    fill: { color: "7D3C98" }, rectRadius: 0.08,
  });
  sl.addText("HELLP Syndrome\n(~10% severe cases)\nHemolysis · Elevated liver enzymes · Low platelets", {
    x: 0.3, y: 4.57, w: 2.7, h: 0.62,
    fontSize: 8, color: C.white, fontFace: "Calibri", valign: "middle", margin: 0,
  });

  // side note: DIC
  sl.addShape(pres.shapes.ROUNDED_RECTANGLE, {
    x: 6.9, y: 4.55, w: 2.8, h: 0.65,
    fill: { color: "7D3C98" }, rectRadius: 0.08,
  });
  sl.addText("DIC possible\n(Disseminated Intravascular\nCoagulation)", {
    x: 7.0, y: 4.57, w: 2.6, h: 0.62,
    fontSize: 8, color: C.white, fontFace: "Calibri", valign: "middle", margin: 0,
  });
}

// ─────────────────────────────────────────────────────────────────
//  SLIDE 7 – CLINICAL FEATURES & MORPHOLOGY
// ─────────────────────────────────────────────────────────────────
{
  const sl = pres.addSlide();
  sl.addShape(pres.shapes.RECTANGLE, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: "F0F4F8" } });
  addHeader(sl, "Clinical Features & Morphological Changes", "Pre-eclampsia presentation and tissue pathology");

  addCard(sl, 0.3, 1.25, 4.55, 3.7, "Clinical Presentation", C.pre, [
    "Onset: usually after 34 weeks gestation",
    "Earlier if: hydatidiform mole, pre-existing renal disease, hypertension, coagulopathy",
    "Triad: Hypertension + Oedema + Proteinuria",
    "Convulsions / coma → eclampsia",
    "BP and proteinuria resolve within 1–2 weeks post-delivery",
    "Most effective treatment: prompt delivery",
  ]);

  addCard(sl, 5.15, 1.25, 4.45, 3.7, "Morphological Changes (Placenta)", C.pre, [
    "Multiple placental infarcts (more numerous than normal)",
    "Retroplacental haemorrhage",
    "Ischaemic changes of placental villi",
    "Increased syncytial epithelial knots",
    "Fibrinoid necrosis of decidual vessels",
    "Focal lipid-laden macrophages (acute atherosis)",
  ]);

  sl.addText("Incidence: 3–5% of pregnancies | More common in primigravidae", {
    x: 0.3, y: 5.1, w: 9.3, h: 0.3,
    fontSize: 10, italic: true, color: C.subtext, fontFace: "Calibri", margin: 0,
  });
}

// ─────────────────────────────────────────────────────────────────
//  SLIDE 8 – MEDIATOR BALANCE VISUAL
// ─────────────────────────────────────────────────────────────────
{
  const sl = pres.addSlide();
  sl.addShape(pres.shapes.RECTANGLE, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: "F0F4F8" } });
  addHeader(sl, "Vasoactive Mediator Balance", "The tipping point between normal BP and hypertension");

  // Vasodilators column
  sl.addShape(pres.shapes.RECTANGLE, {
    x: 0.3, y: 1.2, w: 3.5, h: 0.4,
    fill: { color: C.normal },
  });
  sl.addText("VASODILATORS", {
    x: 0.3, y: 1.2, w: 3.5, h: 0.4,
    fontSize: 12, bold: true, color: C.white, align: "center", valign: "middle", fontFace: "Calibri", margin: 0,
  });

  const dilators = [
    ["Prostacyclin (PGI2)", "Normal ↑", "Pre-eclampsia ↓"],
    ["Nitric Oxide (NO)", "Normal ↑", "Pre-eclampsia ↓"],
    ["VEGF", "Normal ↑", "Pre-eclampsia ↓ (blocked by sFlt-1)"],
    ["Prostaglandin E2", "Normal ↑", "Pre-eclampsia ↓"],
  ];

  dilators.forEach((d, i) => {
    const y = 1.7 + i * 0.65;
    sl.addShape(pres.shapes.RECTANGLE, {
      x: 0.3, y, w: 3.5, h: 0.55,
      fill: { color: i % 2 === 0 ? "D5F5E8" : "EAF9F2" },
      line: { color: C.normal, width: 1 },
    });
    sl.addText([
      { text: d[0] + "\n", options: { bold: true, fontSize: 9.5, color: C.textDark, fontFace: "Calibri" } },
      { text: d[1] + "   |   " + d[2], options: { fontSize: 8.5, color: C.subtext, fontFace: "Calibri" } },
    ], { x: 0.4, y, w: 3.3, h: 0.55, valign: "middle", margin: 0 });
  });

  // Vasoconstrictors column
  sl.addShape(pres.shapes.RECTANGLE, {
    x: 6.2, y: 1.2, w: 3.5, h: 0.4,
    fill: { color: C.pre },
  });
  sl.addText("VASOCONSTRICTORS", {
    x: 6.2, y: 1.2, w: 3.5, h: 0.4,
    fontSize: 12, bold: true, color: C.white, align: "center", valign: "middle", fontFace: "Calibri", margin: 0,
  });

  const constrictors = [
    ["Thromboxane A2", "Normal ↓", "Pre-eclampsia ↑"],
    ["Angiotensin-II", "Normal — destroyed", "Pre-eclampsia — hyper-reactivity"],
    ["Endothelin", "Normal low", "Pre-eclampsia ↑"],
    ["sFlt-1 / Endoglin", "Normal absent", "Pre-eclampsia ↑↑ (anti-VEGF)"],
  ];

  constrictors.forEach((d, i) => {
    const y = 1.7 + i * 0.65;
    sl.addShape(pres.shapes.RECTANGLE, {
      x: 6.2, y, w: 3.5, h: 0.55,
      fill: { color: i % 2 === 0 ? "FADBD8" : "FDEDEC" },
      line: { color: C.pre, width: 1 },
    });
    sl.addText([
      { text: d[0] + "\n", options: { bold: true, fontSize: 9.5, color: C.textDark, fontFace: "Calibri" } },
      { text: d[1] + "   |   " + d[2], options: { fontSize: 8.5, color: C.subtext, fontFace: "Calibri" } },
    ], { x: 6.3, y, w: 3.3, h: 0.55, valign: "middle", margin: 0 });
  });

  // Balance scale divider
  sl.addShape(pres.shapes.RECTANGLE, {
    x: 4.6, y: 1.1, w: 0.8, h: 3.9,
    fill: { color: C.lightGray },
    line: { color: C.accent, width: 1.5 },
  });
  sl.addText("⚖", {
    x: 4.6, y: 2.7, w: 0.8, h: 0.5,
    fontSize: 22, align: "center", fontFace: "Calibri", margin: 0,
  });
  sl.addText("BALANCE", {
    x: 4.6, y: 3.25, w: 0.8, h: 0.35,
    fontSize: 7, bold: true, color: C.border, align: "center", fontFace: "Calibri", margin: 0,
  });
}

// ─────────────────────────────────────────────────────────────────
//  SLIDE 9 – SUMMARY / CONCLUSION
// ─────────────────────────────────────────────────────────────────
{
  const sl = pres.addSlide();
  sl.addShape(pres.shapes.RECTANGLE, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: C.darkBg } });

  sl.addText("Key Takeaways", {
    x: 0.5, y: 0.25, w: 9, h: 0.6,
    fontSize: 28, bold: true, color: C.white, fontFace: "Calibri", margin: 0,
  });
  sl.addShape(pres.shapes.RECTANGLE, {
    x: 0.5, y: 0.88, w: 4, h: 0.05,
    fill: { color: C.accent },
  });

  const points = [
    { num: "01", title: "Trophoblast invasion is the crux", body: "Successful invasion → low resistance flow. Failure → placental hypoxia — the root of pre-eclampsia." },
    { num: "02", title: "Vasodilators vs Vasoconstrictors", body: "Normal pregnancy balances PGI2, NO, VEGF against constrictors. Pre-eclampsia tips this balance toward constriction and hypertension." },
    { num: "03", title: "VEGF / sFlt-1 imbalance", body: "Anti-angiogenic factors (sFlt-1, endoglin) suppress VEGF/TGF-β — this drives endothelial dysfunction systemically." },
    { num: "04", title: "HELLP & DIC — severe end", body: "~10% of severe pre-eclampsia → HELLP (haemolysis, elevated LFTs, low platelets). Convulsions = eclampsia." },
  ];

  points.forEach((p, i) => {
    const x = i < 2 ? 0.3 : 5.2;
    const y = i % 2 === 0 ? 1.1 : 3.1;
    sl.addShape(pres.shapes.ROUNDED_RECTANGLE, {
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// ─────────────────────────────────────────────────────────────────
//  WRITE FILE
// ─────────────────────────────────────────────────────────────────
pres.writeFile({ fileName: "/home/daytona/workspace/preeclampsia-ppt/Normal_vs_Preeclampsia_Pathophysiology.pptx" })
  .then(() => console.log("DONE"))
  .catch(e => { console.error("ERROR:", e); process.exit(1); });