python -m markitdown "/home/daytona/workspace/attachments/0f4ba806-60b0-44b9-89d…

python -m markitdown "/home/daytona/workspace/attachments/0f4ba806-60b0-44b9-89d…

python -m markitdown "/home/daytona/workspace/attachments/0f4ba806-60b0-44b9-89d…

cd /home/daytona && python3 -c "import pptx; print('python-pptx ok')" 2>&1; ls /…

pip install --user python-pptx markitdown 2>&1 | tail -5

python3 -m markitdown "/home/daytona/workspace/attachments/0f4ba806-60b0-44b9-89…

python3 -m markitdown "/home/daytona/workspace/attachments/0f4ba806-60b0-44b9-89…

python3 -m markitdown "/home/daytona/workspace/attachments/0f4ba806-60b0-44b9-89…

ls "/home/daytona/workspace/attachments/0f4ba806-60b0-44b9-89d0-bee9df9349aa/" 2…

cp "/home/daytona/workspace/attachments/0f4ba806-60b0-44b9-89d0-bee9df9349aa/5. …

BASE="/home/daytona/workspace/attachments/0f4ba806-60b0-44b9-89d0-bee9df9349aa" …

cd /home/daytona/workspace && python3 -m markitdown "5. The begg's mechanotherap…

python3 << 'PYEOF' import glob, os files = glob.glob('/home/daytona/workspace/*.…

python3 << 'PYEOF' import glob from markitdown import MarkItDown md = MarkItDow…

mkdir -p /home/daytona/workspace/begg-comparison && ls /home/daytona/workspace/b…

~/begg-comparison/build.js

const pptxgen = require("pptxgenjs");

const pres = new pptxgen();
pres.layout = "LAYOUT_WIDE"; // 13.3 x 7.5 inches
pres.title = "Conventional vs Refined Begg's Mechanotherapy";
pres.author = "Orthodontics Study Notes";

// ─── COLOR PALETTE ────────────────────────────────────────────────
const C = {
  darkBg:    "0D1B2A",   // deep navy — title & section slides
  convBg:    "1B3A5C",   // conventional: deep steel blue
  refBg:     "14523A",   // refined: deep forest green
  convCard:  "E8F0FA",   // light blue card
  refCard:   "E6F5EE",   // light green card
  convAccent:"2E86C1",   // bright blue
  refAccent: "1E8449",   // bright green
  gold:      "F4D03F",   // accent / highlight
  white:     "FFFFFF",
  lightGrey: "F0F0F0",
  midGrey:   "AAAAAA",
  darkText:  "1A1A2E",
  convHeader:"1A4F7A",
  refHeader: "0E4D2C",
  vs:        "C0392B",   // red for VS badge
  warning:   "E74C3C",
  tick:      "27AE60",
  cross:     "C0392B",
};

// ─── HELPER: rounded rect background split ────────────────────────
function addSplitBg(slide) {
  // Left half — conventional (blue tint)
  slide.addShape(pres.ShapeType.rect, {
    x: 0, y: 0, w: 6.35, h: 7.5,
    fill: { color: "EAF2FB" }, line: { color: "EAF2FB" }
  });
  // Right half — refined (green tint)
  slide.addShape(pres.ShapeType.rect, {
    x: 6.35, y: 0, w: 6.95, h: 7.5,
    fill: { color: "E9F7EF" }, line: { color: "E9F7EF" }
  });
  // Centre divider
  slide.addShape(pres.ShapeType.rect, {
    x: 6.3, y: 0, w: 0.1, h: 7.5,
    fill: { color: "CCCCCC" }, line: { color: "CCCCCC" }
  });
}

function addColumnHeaders(slide, leftTitle, rightTitle, yPos) {
  yPos = yPos || 0;
  slide.addShape(pres.ShapeType.rect, {
    x: 0.15, y: yPos, w: 6.1, h: 0.5,
    fill: { color: C.convAccent }, line: { color: C.convAccent }, rectRadius: 0.05
  });
  slide.addText(leftTitle, {
    x: 0.15, y: yPos, w: 6.1, h: 0.5,
    fontSize: 13, bold: true, color: C.white, align: "center", valign: "middle", margin: 0
  });
  slide.addShape(pres.ShapeType.rect, {
    x: 6.5, y: yPos, w: 6.65, h: 0.5,
    fill: { color: C.refAccent }, line: { color: C.refAccent }, rectRadius: 0.05
  });
  slide.addText(rightTitle, {
    x: 6.5, y: yPos, w: 6.65, h: 0.5,
    fontSize: 13, bold: true, color: C.white, align: "center", valign: "middle", margin: 0
  });
}

// ─── HELPER: comparison row ───────────────────────────────────────
function addCompareRow(slide, label, leftText, rightText, y, rowH, leftGood, rightGood) {
  const lColor = leftGood === false ? "FADBD8" : "EAF2FB";
  const rColor = rightGood === false ? "FADBD8" : "E9F7EF";
  // Label band
  slide.addShape(pres.ShapeType.rect, {
    x: 0.15, y: y, w: 12.95, h: 0.27,
    fill: { color: "1A2A3A" }, line: { color: "1A2A3A" }
  });
  slide.addText(label, {
    x: 0.15, y: y, w: 12.95, h: 0.27,
    fontSize: 9.5, bold: true, color: C.gold, align: "center", valign: "middle", margin: 0, charSpacing: 1
  });
  // Left cell
  slide.addShape(pres.ShapeType.rect, {
    x: 0.15, y: y + 0.27, w: 6.1, h: rowH,
    fill: { color: lColor }, line: { color: "C5D8EC" }
  });
  slide.addText(leftText, {
    x: 0.25, y: y + 0.27, w: 5.9, h: rowH,
    fontSize: 9, color: C.darkText, valign: "middle", margin: 4,
    wrap: true
  });
  // Right cell
  slide.addShape(pres.ShapeType.rect, {
    x: 6.5, y: y + 0.27, w: 6.65, h: rowH,
    fill: { color: rColor }, line: { color: "A9DFBF" }
  });
  slide.addText(rightText, {
    x: 6.6, y: y + 0.27, w: 6.45, h: rowH,
    fontSize: 9, color: C.darkText, valign: "middle", margin: 4,
    wrap: true
  });
}

// ======================================================================
// SLIDE 1 — TITLE
// ======================================================================
{
  const s = pres.addSlide();
  // Full dark background
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 13.3, h: 7.5, fill: { color: C.darkBg }, line: { color: C.darkBg } });

  // Decorative left stripe — blue
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 0.45, h: 7.5, fill: { color: C.convAccent }, line: { color: C.convAccent } });
  // Right stripe — green
  s.addShape(pres.ShapeType.rect, { x: 12.85, y: 0, w: 0.45, h: 7.5, fill: { color: C.refAccent }, line: { color: C.refAccent } });

  // Gold top bar
  s.addShape(pres.ShapeType.rect, { x: 0.45, y: 0, w: 12.4, h: 0.1, fill: { color: C.gold }, line: { color: C.gold } });
  s.addShape(pres.ShapeType.rect, { x: 0.45, y: 7.4, w: 12.4, h: 0.1, fill: { color: C.gold }, line: { color: C.gold } });

  // Big title
  s.addText("BEGG'S MECHANOTHERAPY", {
    x: 0.6, y: 1.1, w: 12.1, h: 0.85,
    fontSize: 40, bold: true, color: C.white, align: "center", charSpacing: 3
  });

  // Subtitle strip
  s.addShape(pres.ShapeType.rect, { x: 1.5, y: 2.1, w: 10.3, h: 0.7, fill: { color: C.gold }, line: { color: C.gold }, rectRadius: 0.06 });
  s.addText("CONVENTIONAL  vs  REFINED", {
    x: 1.5, y: 2.1, w: 10.3, h: 0.7,
    fontSize: 28, bold: true, color: C.darkBg, align: "center", valign: "middle", margin: 0
  });

  // Two pillar boxes
  s.addShape(pres.ShapeType.rect, { x: 0.8, y: 3.1, w: 5.3, h: 2.6, fill: { color: C.convAccent }, line: { color: C.convAccent }, rectRadius: 0.1 });
  s.addText([
    { text: "CONVENTIONAL BEGG\n", options: { bold: true, fontSize: 15, breakLine: true } },
    { text: "Classic ribbon-arch technique\nas described by P. R. Begg.\nHeavy forces, 3 stages,\nuncontrolled tipping.", options: { fontSize: 10 } }
  ], { x: 0.8, y: 3.1, w: 5.3, h: 2.6, color: C.white, align: "center", valign: "middle", margin: 10 });

  // VS badge
  s.addShape(pres.ShapeType.ellipse, { x: 6.1, y: 3.85, w: 1.1, h: 1.1, fill: { color: C.vs }, line: { color: C.gold, pt: 2 } });
  s.addText("VS", { x: 6.1, y: 3.85, w: 1.1, h: 1.1, fontSize: 22, bold: true, color: C.white, align: "center", valign: "middle", margin: 0 });

  s.addShape(pres.ShapeType.rect, { x: 7.2, y: 3.1, w: 5.3, h: 2.6, fill: { color: C.refAccent }, line: { color: C.refAccent }, rectRadius: 0.1 });
  s.addText([
    { text: "REFINED BEGG\n", options: { bold: true, fontSize: 15, breakLine: true } },
    { text: "Dr. Vijay P. Jayade's\nmodernization. Controlled\ntipping, braking mechanics,\n4 stages, precise hardware.", options: { fontSize: 10 } }
  ], { x: 7.2, y: 3.1, w: 5.3, h: 2.6, color: C.white, align: "center", valign: "middle", margin: 10 });

  // Footer
  s.addText("Ref: Refined Begg for Modern Times — Dr. Vijay P. Jayade  |  Sessions 5, 6 & 7", {
    x: 0.6, y: 6.9, w: 12.1, h: 0.4, fontSize: 8, color: C.midGrey, align: "center"
  });
}

// ======================================================================
// SLIDE 2 — OVERVIEW AT A GLANCE (quick-scan table)
// ======================================================================
{
  const s = pres.addSlide();
  addSplitBg(s);

  // Header bar
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 13.3, h: 0.62, fill: { color: C.darkBg }, line: { color: C.darkBg } });
  s.addText("OVERVIEW AT A GLANCE", {
    x: 0, y: 0, w: 13.3, h: 0.62, fontSize: 18, bold: true, color: C.gold, align: "center", valign: "middle", margin: 0, charSpacing: 2
  });

  addColumnHeaders(s, "CONVENTIONAL BEGG", "REFINED BEGG", 0.68);

  const rows = [
    ["INTRODUCED BY", "P. Raymond Begg (Australia, 1950s)\nBased on Stone Age Attritional Occlusion", "Dr. Vijay P. Jayade\n'Refined Begg for Modern Times'", null, null],
    ["PHILOSOPHY", "Attritional occlusion theory — heavy forces justified.\nCook-book approach (same for all cases).", "Diagnosis-driven, individualized treatment.\nDifferential force — efficient brakes prevent dished profiles.", false, null],
    ["NUMBER OF STAGES", "3 Stages:\nStage I → Stage II → Stage III", "4 Stages:\nStage I-A → Stage I-B → Stage II → Stage III → Stage IV (Finishing)", false, null],
    ["FORCES USED", "Light forces (tipping)\nBut heavier class II over-used", "Light forces (tipping) retained\nAdds controlled tipping with MAA\nClass II used more selectively", null, null],
    ["ANCHORAGE", "Anchor bends — conventional", "Anchor bends retained + braking mechanics added\nBraking springs (0.018\") + Angulated T-pins", null, null],
    ["BITE OPENING", "Molar extrusion + minimal lower incisor intrusion\nNo true intrusion of upper incisors", "True intrusion of upper incisors with MAA\nForce resultant controlled parallel to long axis\n15–20 g per tooth ideal", false, null],
    ["INCISOR TORQUE", "Difficult. Round wire = no torque control", "MAA provides lingual root torque\nAlpha Ti 0.022×0.018\" ribbon for finishing", false, null],
    ["PROFILE OUTCOME", "Risk of dished-in / flat profile from over-retraction", "Profile preservation via braking mechanics\nPosterior protraction closes excess space", false, null],
  ];

  let y = 1.24;
  rows.forEach(([label, left, right, lGood, rGood]) => {
    addCompareRow(s, label, left, right, y, 0.52, lGood, rGood);
    y += 0.8;
  });
}

// ======================================================================
// SLIDE 3 — HARDWARE COMPARISON
// ======================================================================
{
  const s = pres.addSlide();
  addSplitBg(s);

  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 13.3, h: 0.62, fill: { color: C.darkBg }, line: { color: C.darkBg } });
  s.addText("HARDWARE COMPARISON", {
    x: 0, y: 0, w: 13.3, h: 0.62, fontSize: 18, bold: true, color: C.gold, align: "center", valign: "middle", margin: 0, charSpacing: 2
  });

  addColumnHeaders(s, "CONVENTIONAL BEGG", "REFINED BEGG", 0.68);

  const rows = [
    ["BRACKET TYPE", "Ribbon arch bracket (single slot)\nNo built-in torque\nRound wire slot only", "Combination bracket — round slot + ribbon slot\nBuilt-in torque (Hocevar / Swain modification)\nDual-slot control", false, null],
    ["MOLAR TUBES — UPPER", "Standard placement\nNo specific rotation offset", "10° distolingual rotation offset (Swain)\nMesial end placed at centre of mesiobuccal cusp", false, null],
    ["MOLAR TUBES — LOWER", "Standard placement", "~5° distolingual rotation offset\n(Lesser offset than upper molars)", false, null],
    ["COMBINATION TUBES (TP Lab)", "Not used", "Gingival: Round 0.036\" × 6.2 mm\nOcclusal: Ribbon 0.025×0.018\" × 5.5 mm\n(Used in finishing stages)", false, null],
    ["UPPER INCISOR BRACKET HEIGHT", "Standard mid-crown", "Placed more incisally\n→ Adequate moment for M/F ratio → controlled tipping", false, null],
    ["LOWER INCISOR BRACKET HEIGHT", "Standard mid-crown", "Placed more GINGIVALLY\n→ Reduces moment → minimizes proclination during bite opening", false, null],
    ["CANINE BRACKET HEIGHT", "Standard", "Placed more INCISALLY\n(upper and lower both)", false, null],
    ["PREMOLAR BRACKET HEIGHT", "Standard", "Placed OCCLUSALLY\n(upper and lower both)", false, null],
    ["PALATAL BRACKETS", "Not used", "Placed on palatal surface of upper incisors\nUsed with TPA elastic for upper incisor intrusion", false, null],
  ];

  let y = 1.24;
  rows.forEach(([label, left, right, lGood, rGood]) => {
    addCompareRow(s, label, left, right, y, 0.45, lGood, rGood);
    y += 0.72;
  });
}

// ======================================================================
// SLIDE 4 — STAGE-BY-STAGE ARCHWIRES
// ======================================================================
{
  const s = pres.addSlide();
  addSplitBg(s);

  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 13.3, h: 0.62, fill: { color: C.darkBg }, line: { color: C.darkBg } });
  s.addText("ARCHWIRES — STAGE BY STAGE", {
    x: 0, y: 0, w: 13.3, h: 0.62, fontSize: 18, bold: true, color: C.gold, align: "center", valign: "middle", margin: 0, charSpacing: 2
  });

  addColumnHeaders(s, "CONVENTIONAL BEGG", "REFINED BEGG", 0.68);

  const rows = [
    ["STAGE I  (Alignment + Bite Opening)", "Multi-looped arch wire (0.016\" round SS)\n— caused: uneven bite opening, labial flaring of incisors,\nloss of molar control, poor hygiene", "STAGE I-A: 0.014/0.016\" SS base + NiTi or\nmultistranded sectional (flexible anterior segment)\nCANINE: 0.010\" uprighting spring if excess tipping\nMOLAR STOPS: if both cuspid circles omitted", false, null],
    ["STAGE I-B  (Bite Opening & Overjet)", "Part of Stage I — not separately defined", "0.018\" Premium Plus or Premium wire\nElastics: Class II light or ultra-light\nAuxiliaries: MAA (bite opening + lingual torque)\nPower Arm (Dr. Jyothindra Kumar): 0.018×0.025\" hook", false, null],
    ["STAGE II  (Space Closure)", "Simple 0.018\" wire with Class II elastics\nNo controlled tipping", "Extraction/non-extraction: 0.018\" P or P+; OR 0.020\" P\nSevere cases: 0.020\" archwire\nAnchor bends at PM: BYPASSED\n(except distobuccal rotation)\nMAA → controlled lingual tipping of incisors\nBraking springs (passive, 0.018\") + Angulated T-pins\nCombination wires: Ant 0.022×0.018\" ribbon /\nPost 0.018\" round (SS or Alpha Ti)", false, null],
    ["STAGE III  (Root Uprighting)", "0.016\" and 0.014\" uprighting springs", "MINI uprighting springs — 0.009\" Supreme grade wire\n(Mollenhauer modification)\nBoot design auxiliaries: buccal root torque on molars,\nlift palatally hanging cusps, inserted mesially,\nboot twisted lingually, toe-in given\nSecuring pins: Mollenhauer (lock pin labial) /\nLigature / Sims (lingual pin)", false, null],
    ["STAGE IV  (Finishing — Refined only)", "Not a separate stage in conventional Begg", "Round: 0.020\" Stage II wire\nFirst order: lateral position, canine prominence,\nmolar offset, toe-in, lower canine tucked-in\nSecond order: mesial angulation molars/canines,\nL3 & L2 levels\nRectangular: Alpha Ti 0.022×0.018\" ribbon\n— precise torque in anterior segment", false, null],
  ];

  let y = 1.24;
  rows.forEach(([label, left, right, lGood, rGood]) => {
    addCompareRow(s, label, left, right, y, 0.98, lGood, rGood);
    y += 1.25;
  });
}

// ======================================================================
// SLIDE 5 — BITE OPENING MECHANICS
// ======================================================================
{
  const s = pres.addSlide();
  addSplitBg(s);

  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 13.3, h: 0.62, fill: { color: C.darkBg }, line: { color: C.darkBg } });
  s.addText("BITE OPENING MECHANICS", {
    x: 0, y: 0, w: 13.3, h: 0.62, fontSize: 18, bold: true, color: C.gold, align: "center", valign: "middle", margin: 0, charSpacing: 2
  });

  addColumnHeaders(s, "CONVENTIONAL BEGG", "REFINED BEGG", 0.68);

  // Conventional side — flowchart boxes
  const convSteps = [
    "Class II elastics applied",
    "Molar extrusion occurs",
    "Minimal lower incisor intrusion",
    "Bite opens — BUT",
    "No true upper incisor intrusion",
    "Risk: proclination / flat profile",
  ];
  const boxH = 0.62;
  const boxW = 5.5;
  const startX = 0.35;
  convSteps.forEach((text, i) => {
    const y = 0.82 + i * (boxH + 0.1);
    const isWarning = i >= 4;
    s.addShape(pres.ShapeType.rect, {
      x: startX, y, w: boxW, h: boxH,
      fill: { color: isWarning ? "FADBD8" : "D6EAF8" },
      line: { color: isWarning ? C.cross : C.convAccent, pt: 1.5 },
      rectRadius: 0.06
    });
    s.addText(text, { x: startX, y, w: boxW, h: boxH, fontSize: 9.5, color: C.darkText, align: "center", valign: "middle", margin: 4 });
    // Arrow (except last)
    if (i < convSteps.length - 1) {
      const arrowY = y + boxH;
      s.addShape(pres.ShapeType.line, { x: startX + boxW / 2 - 0.01, y: arrowY, w: 0, h: 0.1, line: { color: C.convAccent, pt: 1.5 } });
      s.addText("▼", { x: startX + boxW / 2 - 0.2, y: arrowY, w: 0.4, h: 0.08, fontSize: 8, color: C.convAccent, align: "center" });
    }
  });

  // Refined side — 3-scenario cards
  s.addText("FORCE RESULTANT CONTROL — 3 SCENARIOS", {
    x: 6.6, y: 0.75, w: 6.5, h: 0.35, fontSize: 9.5, bold: true, color: C.refHeader, align: "center"
  });

  const scenarios = [
    {
      label: "SCENARIO A",
      detail: "Intrusive force = 45 g\nClass II force = 60 g",
      outcome: "Resultant BEHIND CRes\n→ Reduces proclination\n→ Little intrusion",
      color: "D5E8D4",
    },
    {
      label: "SCENARIO B",
      detail: "Intrusive force = 60 g\nClass II force = 30 g",
      outcome: "Resultant more vertical\nParallel to long axis\nCloser to CRes\n→ Correction of inclination + intrusion",
      color: "C8E6C9",
    },
    {
      label: "SCENARIO C (Ideal)",
      detail: "Intrusive force = 90 g\nClass II force = minimal",
      outcome: "Most vertical, parallel to axis\nControlled tipping achieved\nActive intrusion: 15-20 g per tooth",
      color: "A5D6A7",
    },
  ];

  scenarios.forEach((sc, i) => {
    const y = 1.12 + i * 1.88;
    s.addShape(pres.ShapeType.rect, {
      x: 6.6, y, w: 6.5, h: 1.72,
      fill: { color: sc.color }, line: { color: C.refAccent, pt: 1.5 }, rectRadius: 0.08
    });
    s.addShape(pres.ShapeType.rect, {
      x: 6.6, y, w: 6.5, h: 0.32,
      fill: { color: C.refAccent }, line: { color: C.refAccent }, rectRadius: 0.08
    });
    s.addText(sc.label, { x: 6.6, y, w: 6.5, h: 0.32, fontSize: 10, bold: true, color: C.white, align: "center", valign: "middle", margin: 0 });
    s.addText(sc.detail, { x: 6.7, y: y + 0.35, w: 3.0, h: 1.3, fontSize: 8.5, color: C.darkText, valign: "top", margin: 4 });
    s.addText(sc.outcome, { x: 9.8, y: y + 0.35, w: 3.2, h: 1.3, fontSize: 8.5, color: C.refHeader, bold: false, valign: "top", margin: 4 });
  });

  // Footer note
  s.addShape(pres.ShapeType.rect, { x: 0, y: 7.1, w: 13.3, h: 0.4, fill: { color: C.darkBg }, line: { color: C.darkBg } });
  s.addText("CRes = Centre of Resistance  |  MAA = Moment Auxiliary Appliance", {
    x: 0, y: 7.1, w: 13.3, h: 0.4, fontSize: 8, color: C.midGrey, align: "center", valign: "middle"
  });
}

// ======================================================================
// SLIDE 6 — BRAKING MECHANICS (Refined Only)
// ======================================================================
{
  const s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 13.3, h: 7.5, fill: { color: "F0FBF5" }, line: { color: "F0FBF5" } });

  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 13.3, h: 0.62, fill: { color: C.darkBg }, line: { color: C.darkBg } });
  s.addText("BRAKING MECHANICS — REFINED BEGG INNOVATION", {
    x: 0, y: 0, w: 13.3, h: 0.62, fontSize: 17, bold: true, color: C.gold, align: "center", valign: "middle", margin: 0, charSpacing: 2
  });

  // Problem statement
  s.addShape(pres.ShapeType.rect, { x: 0.3, y: 0.75, w: 12.7, h: 0.55, fill: { color: "FADBD8" }, line: { color: C.cross }, rectRadius: 0.06 });
  s.addText("PROBLEM IN CONVENTIONAL BEGG: Heavy Class II elastics caused over-retraction of anteriors → undermining resorption → dished-in / concave profile", {
    x: 0.3, y: 0.75, w: 12.7, h: 0.55, fontSize: 9.5, color: C.cross, bold: true, align: "center", valign: "middle", margin: 4
  });

  // Solution header
  s.addShape(pres.ShapeType.rect, { x: 0.3, y: 1.42, w: 12.7, h: 0.4, fill: { color: C.refAccent }, line: { color: C.refAccent }, rectRadius: 0.06 });
  s.addText("SOLUTION: Braking Mechanics — Reverse Anchorage — Posterior Protraction closes excess space instead of anterior retraction", {
    x: 0.3, y: 1.42, w: 12.7, h: 0.4, fontSize: 9.5, color: C.white, bold: true, align: "center", valign: "middle", margin: 4
  });

  // Flowchart boxes
  const steps = [
    { text: "2nd PM Extraction Case\nGood profile at start", color: "AED6F1", border: C.convAccent },
    { text: "Excess space needs to be closed", color: "F9E79F", border: "E67E22" },
    { text: "Apply BRAKES to anterior teeth\n(reverse anchorage: posterior = anchorage site)", color: "ABEBC6", border: C.refAccent },
    { text: "Posterior teeth PROTRACT forward\nto close excess space", color: "A9CCE3", border: C.convAccent },
    { text: "Anterior teeth remain STABLE\nProfile preserved", color: "82E0AA", border: C.refAccent },
  ];

  const boxW = 2.2;
  const startX = 0.6;
  const gap = 0.2;
  steps.forEach((step, i) => {
    const x = startX + i * (boxW + gap);
    s.addShape(pres.ShapeType.rect, {
      x, y: 2.0, w: boxW, h: 1.2,
      fill: { color: step.color }, line: { color: step.border, pt: 2 }, rectRadius: 0.08
    });
    s.addText(step.text, { x, y: 2.0, w: boxW, h: 1.2, fontSize: 8.5, color: C.darkText, align: "center", valign: "middle", margin: 6 });
    if (i < steps.length - 1) {
      s.addText("→", { x: x + boxW, y: 2.45, w: gap + 0.05, h: 0.3, fontSize: 14, color: "555555", align: "center", bold: true });
    }
  });

  // Braking Appliances
  s.addText("BRAKING APPLIANCES USED IN STAGE II", {
    x: 0.3, y: 3.4, w: 12.7, h: 0.38, fontSize: 11, bold: true, color: C.refHeader, align: "center"
  });

  const apps = [
    { name: "Braking Springs", detail: "Passive uprighting springs\nWire: 0.018\"\nAttached to prevent anterior\nfrom tipping further forward" },
    { name: "Angulated T-Pins", detail: "Inserted in bracket slot\nPrevents further distal tipping\nof anterior teeth" },
    { name: "Combination Wires", detail: "Anterior: 0.022×0.018\" ribbon\n(SS or Alpha Ti)\nPosterior: 0.018\" round\nAlpha Ti = easier to engage" },
    { name: "MAA (Moment Aux.)", detail: "Lingual root torque on incisors\nControlled lingual tipping\nduring retraction\n(bite opening force + moment)" },
  ];

  apps.forEach((a, i) => {
    const x = 0.4 + i * 3.1;
    s.addShape(pres.ShapeType.rect, {
      x, y: 3.85, w: 2.9, h: 2.8,
      fill: { color: "E9F7EF" }, line: { color: C.refAccent, pt: 1.5 }, rectRadius: 0.08
    });
    s.addShape(pres.ShapeType.rect, {
      x, y: 3.85, w: 2.9, h: 0.38,
      fill: { color: C.refAccent }, line: { color: C.refAccent }, rectRadius: 0.08
    });
    s.addText(a.name, { x, y: 3.85, w: 2.9, h: 0.38, fontSize: 9.5, bold: true, color: C.white, align: "center", valign: "middle", margin: 0 });
    s.addText(a.detail, { x: x + 0.1, y: 4.28, w: 2.7, h: 2.3, fontSize: 8.5, color: C.darkText, valign: "top", margin: 4 });
  });
}

// ======================================================================
// SLIDE 7 — STAGE STRUCTURE COMPARISON (flow diagrams)
// ======================================================================
{
  const s = pres.addSlide();
  addSplitBg(s);

  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 13.3, h: 0.62, fill: { color: C.darkBg }, line: { color: C.darkBg } });
  s.addText("TREATMENT STAGE STRUCTURE", {
    x: 0, y: 0, w: 13.3, h: 0.62, fontSize: 18, bold: true, color: C.gold, align: "center", valign: "middle", margin: 0, charSpacing: 2
  });

  addColumnHeaders(s, "CONVENTIONAL BEGG — 3 Stages", "REFINED BEGG — 4 Stages (I split into I-A & I-B)", 0.68);

  // Conventional stages
  const convStages = [
    { label: "STAGE I", detail: "Alignment\nEliminate crossbites\nBite opening (molar extrusion)\nOverjet reduction\nArch form correction\nMidline matching\nClass I molar + canine" },
    { label: "STAGE II", detail: "Maintain Stage I corrections\nClose all extraction spaces\nNo controlled tipping" },
    { label: "STAGE III", detail: "Root uprighting\n0.016\" + 0.014\" springs\nTorquing auxiliaries" },
  ];

  convStages.forEach((st, i) => {
    const y = 1.32 + i * 1.92;
    s.addShape(pres.ShapeType.rect, {
      x: 0.2, y, w: 5.9, h: 1.75,
      fill: { color: "D6EAF8" }, line: { color: C.convAccent, pt: 2 }, rectRadius: 0.08
    });
    s.addShape(pres.ShapeType.rect, {
      x: 0.2, y, w: 5.9, h: 0.38,
      fill: { color: C.convAccent }, line: { color: C.convAccent }, rectRadius: 0.08
    });
    s.addText(st.label, { x: 0.2, y, w: 5.9, h: 0.38, fontSize: 11, bold: true, color: C.white, align: "center", valign: "middle", margin: 0 });
    s.addText(st.detail, { x: 0.3, y: y + 0.42, w: 5.7, h: 1.25, fontSize: 8.5, color: C.darkText, valign: "top", margin: 4 });
    if (i < convStages.length - 1) {
      s.addText("▼", { x: 0.2, y: y + 1.77, w: 5.9, h: 0.13, fontSize: 9, color: C.convAccent, align: "center" });
    }
  });

  // Refined stages
  const refStages = [
    { label: "STAGE I-A — Alignment", detail: "0.014/0.016\" SS + NiTi/coax sectional\nCanine distalization along SS base\n0.010\" uprighting spring if canine tips\nMolar stops if cuspid circles omitted\nOpen bite: 0.014\" SS + mild anchor bends" },
    { label: "STAGE I-B — Bite Opening & Overjet", detail: "0.018\" Premium Plus / Premium\nClass II light/ultralight elastics\nMAA: intrusive force (15-20g/tooth)\nPower arm (Dr. Jyothindra Kumar)\nMandibular plane angle control" },
    { label: "STAGE II — Controlled Tipping + Space Closure", detail: "0.018\"P/P+ or 0.020\"P (severe)\nMAA for controlled lingual tipping\nBraking: springs + T-pins + combo wires\n2nd PM extraction: posterior protraction\n1st PM extraction: correct 2nd PM rotations" },
    { label: "STAGE III — Root Uprighting", detail: "0.009\" mini springs (Mollenhauer)\nBoot design auxiliaries (buccal root torque)\n3 securing pin methods" },
    { label: "STAGE IV — Finishing & Detailing", detail: "0.020\" round + Alpha Ti 0.022×0.018\"\n1st & 2nd order bends\nCO-CR matching, cuspal guidance\nFrenectomy / etiologic factor control" },
  ];

  refStages.forEach((st, i) => {
    const y = 1.32 + i * 1.18;
    const colors = ["#C8E6C9","#A5D6A7","#81C784","#66BB6A","#4CAF50"];
    const borders = [C.refAccent, C.refAccent, C.refAccent, C.refAccent, C.refAccent];
    s.addShape(pres.ShapeType.rect, {
      x: 6.55, y, w: 6.6, h: 1.1,
      fill: { color: C.refAccent }, line: { color: C.refAccent }, rectRadius: 0.08
    });
    s.addShape(pres.ShapeType.rect, {
      x: 6.55, y, w: 6.6, h: 0.31,
      fill: { color: C.refHeader }, line: { color: C.refHeader }, rectRadius: 0.08
    });
    s.addText(st.label, { x: 6.55, y, w: 6.6, h: 0.31, fontSize: 8.5, bold: true, color: C.white, align: "center", valign: "middle", margin: 0 });
    s.addText(st.detail, { x: 6.65, y: y + 0.33, w: 6.4, h: 0.72, fontSize: 7.5, color: C.white, valign: "top", margin: 2 });
    if (i < refStages.length - 1) {
      s.addText("▼", { x: 6.55, y: y + 1.12, w: 6.6, h: 0.05, fontSize: 7, color: C.refAccent, align: "center" });
    }
  });
}

// ======================================================================
// SLIDE 8 — ARCHWIRE SELECTION (detailed comparison table)
// ======================================================================
{
  const s = pres.addSlide();
  addSplitBg(s);

  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 13.3, h: 0.62, fill: { color: C.darkBg }, line: { color: C.darkBg } });
  s.addText("ARCHWIRE PROPERTIES — SELECTION GUIDE (Refined Begg)", {
    x: 0, y: 0, w: 13.3, h: 0.62, fontSize: 17, bold: true, color: C.gold, align: "center", valign: "middle", margin: 0, charSpacing: 2
  });

  // Wire type comparison cards (top half)
  s.addText("WIRE TYPE COMPARISON", {
    x: 0.3, y: 0.72, w: 12.7, h: 0.32, fontSize: 10, bold: true, color: C.darkBg, align: "center"
  });

  const wires = [
    { name: "NiTi", spring: "HIGHEST", force: "Moderate", cost: "Most costly", use: "Stage I-A\n(flexible, high spring-back)", color: "D1ECF1" },
    { name: "Coax Wire", spring: "LOWEST\n(perm. deform.)", force: "Less than NiTi\n(same diameter)", cost: "Economical", use: "Stage I-A\n(initial alignment, light)", color: "FFF3CD" },
    { name: "SS 0.009\"\nSupreme", spring: "More than\n0.014\" NiTi", force: "HIGH for size", cost: "Economical", use: "Uprighting springs\nStage III", color: "D4EDDA" },
    { name: "SS 0.016\"\nRound", spring: "Moderate", force: "Base arch force", cost: "Low", use: "Stage I-A base arch\n(canine distalization)", color: "E2E3E5" },
    { name: "SS 0.018\"\nPremium/P+", spring: "Moderate", force: "Good", cost: "Low", use: "Stage I-B and II\nMain working wire", color: "D6D8DB" },
    { name: "Alpha Ti\n0.022×0.018\"", spring: "High", force: "Good torque", cost: "Moderate", use: "Stage II braking\n+ Stage IV finishing", color: "CCE5FF" },
  ];

  wires.forEach((w, i) => {
    const col = i % 3;
    const row = Math.floor(i / 3);
    const x = 0.25 + col * 4.25;
    const y = 1.1 + row * 1.7;
    s.addShape(pres.ShapeType.rect, {
      x, y, w: 4.1, h: 1.58,
      fill: { color: w.color }, line: { color: "999999", pt: 1 }, rectRadius: 0.08
    });
    s.addShape(pres.ShapeType.rect, {
      x, y, w: 4.1, h: 0.32,
      fill: { color: C.darkBg }, line: { color: C.darkBg }, rectRadius: 0.08
    });
    s.addText(w.name, { x, y, w: 4.1, h: 0.32, fontSize: 9.5, bold: true, color: C.gold, align: "center", valign: "middle", margin: 0 });
    const details = [
      { text: "Spring-back: ", opt: { bold: true } }, { text: w.spring + "\n", opt: { breakLine: true } },
      { text: "Force: ", opt: { bold: true } }, { text: w.force + "\n", opt: { breakLine: true } },
      { text: "Cost: ", opt: { bold: true } }, { text: w.cost + "\n", opt: { breakLine: true } },
      { text: "Stage: ", opt: { bold: true } }, { text: w.use },
    ];
    s.addText(details.map(d => ({ text: d.text, options: { ...d.opt, fontSize: 8, color: C.darkText } })),
      { x: x + 0.1, y: y + 0.35, w: 3.9, h: 1.18, valign: "top", margin: 3 }
    );
  });

  // Selection rule box
  s.addShape(pres.ShapeType.rect, { x: 0.25, y: 4.55, w: 12.8, h: 2.75, fill: { color: "1A2A3A" }, line: { color: C.gold, pt: 2 }, rectRadius: 0.1 });
  s.addText("KEY ARCHWIRE SELECTION RULES — REFINED BEGG", {
    x: 0.35, y: 4.6, w: 12.6, h: 0.35, fontSize: 10, bold: true, color: C.gold, align: "center"
  });
  const rules = [
    "1.  Three factors govern choice: (a) Archwire strength  (b) Amount of deflection  (c) Amount of rotation correction needed",
    "2.  Same diameter coax < NiTi in force; SS 0.009\" Supreme > 0.014\" NiTi over large deflections",
    "3.  NiTi = highest spring-back; Coax = most prone to permanent deformation; SS undersized = least spring-back over large deflections",
    "4.  Stage II severe cases (extreme deep bite / badly distorted arch / severe rotations) → use 0.020\" archwire",
    "5.  Anchor bends at premolars BYPASSED in Stage II — EXCEPT when premolar is in distobuccal rotation",
  ];
  rules.forEach((r, i) => {
    s.addText(r, { x: 0.4, y: 5.0 + i * 0.42, w: 12.5, h: 0.38, fontSize: 8.5, color: C.white, valign: "middle", margin: 2 });
  });
}

// ======================================================================
// SLIDE 9 — KEY NUMBERS & QUICK REFERENCE
// ======================================================================
{
  const s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 13.3, h: 7.5, fill: { color: "F8FFFE" }, line: { color: "F8FFFE" } });

  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 13.3, h: 0.62, fill: { color: C.darkBg }, line: { color: C.darkBg } });
  s.addText("KEY NUMBERS & QUICK REFERENCE", {
    x: 0, y: 0, w: 13.3, h: 0.62, fontSize: 18, bold: true, color: C.gold, align: "center", valign: "middle", margin: 0, charSpacing: 2
  });

  const numbers = [
    ["15–20 g", "Per tooth — ideal intrusive force (bite opening)"],
    ["0.014\" / 0.016\"", "Stage I-A SS base arch wire"],
    ["0.018\" P / P+", "Stage I-B and Stage II working wire"],
    ["0.020\" P", "Stage II — severe cases (deep bite, distorted arch)"],
    ["0.022×0.018\"", "Stage II braking wire — anterior segment (ribbon arch)"],
    ["0.018\"", "Stage II braking wire — posterior segment (round)"],
    ["0.009\" Supreme", "Mollenhauer mini uprighting springs — Stage III"],
    ["0.010\" Supreme", "Canine uprighting springs — Stage I-A & Stage II"],
    ["0.022×0.018\"", "Alpha Ti ribbon wire — Stage IV finishing"],
    ["0.036\" × 6.2 mm", "Combination tube — gingival (round)"],
    ["0.025×0.018\" × 5.5 mm", "Combination tube — occlusal (ribbon)"],
    ["10° distolingual", "Upper molar tube rotation offset (Swain)"],
    ["~5° distolingual", "Lower molar tube rotation offset"],
    ["3 mm", "Gingival curve height over bracket (Swain)"],
    ["4–5 mm", "Vertical step-up bend height"],
    ["0.022\" × 0.028\"", "BEDDTIOT horizontal slot (Hocevar, 1985)"],
    ["0.020\" × 0.020\"", "BEDDTIOT vertical lingual slot"],
    ["0°, 5°, 10°, 15°, 20°", "BEDDTIOT bracket torque options"],
  ];

  const cols = 3;
  const itemsPerCol = Math.ceil(numbers.length / cols);
  numbers.forEach(([val, desc], i) => {
    const col = Math.floor(i / itemsPerCol);
    const row = i % itemsPerCol;
    const x = 0.25 + col * 4.3;
    const y = 0.78 + row * 0.5;
    s.addShape(pres.ShapeType.rect, {
      x, y, w: 4.15, h: 0.42,
      fill: { color: row % 2 === 0 ? "EAF6FB" : "E9F7EF" },
      line: { color: "CCCCCC", pt: 0.5 }
    });
    s.addText(val, { x: x + 0.05, y, w: 1.5, h: 0.42, fontSize: 9, bold: true, color: C.convHeader, valign: "middle", margin: 3 });
    s.addText(desc, { x: x + 1.6, y, w: 2.5, h: 0.42, fontSize: 8, color: C.darkText, valign: "middle", margin: 2, wrap: true });
  });
}

// ======================================================================
// SLIDE 10 — WHAT IS RETAINED vs WHAT CHANGED
// ======================================================================
{
  const s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 13.3, h: 7.5, fill: { color: "FAFAFA" }, line: { color: "FAFAFA" } });

  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 13.3, h: 0.62, fill: { color: C.darkBg }, line: { color: C.darkBg } });
  s.addText("HOW MUCH BEGG IS RETAINED IN REFINED BEGG?", {
    x: 0, y: 0, w: 13.3, h: 0.62, fontSize: 17, bold: true, color: C.gold, align: "center", valign: "middle", margin: 0, charSpacing: 2
  });

  // Retained section
  s.addShape(pres.ShapeType.rect, { x: 0.2, y: 0.72, w: 6.1, h: 0.4, fill: { color: C.convAccent }, line: { color: C.convAccent }, rectRadius: 0.06 });
  s.addText("RETAINED FROM CONVENTIONAL BEGG", { x: 0.2, y: 0.72, w: 6.1, h: 0.4, fontSize: 11, bold: true, color: C.white, align: "center", valign: "middle", margin: 0 });

  const retained = [
    "Same ribbon-arch bracket (now with built-in torque)",
    "Light forces principle",
    "Anchor bends (modified)",
    "Uprighting springs (size changed to 0.009\")",
    "Torquing auxiliaries (refined)",
    "Class II elastics (used more selectively)",
    "3-stage framework (expanded to 4)",
    "Differential force concept",
  ];

  retained.forEach((item, i) => {
    const y = 1.18 + i * 0.46;
    s.addShape(pres.ShapeType.rect, { x: 0.2, y, w: 6.1, h: 0.4, fill: { color: i % 2 === 0 ? "EAF2FB" : "D6EAF8" }, line: { color: "BDC3C7" } });
    s.addText("✔  " + item, { x: 0.3, y, w: 5.9, h: 0.4, fontSize: 9, color: C.convHeader, valign: "middle", margin: 3 });
  });

  // Changed/Added section
  s.addShape(pres.ShapeType.rect, { x: 6.9, y: 0.72, w: 6.2, h: 0.4, fill: { color: C.refAccent }, line: { color: C.refAccent }, rectRadius: 0.06 });
  s.addText("ADDED / CHANGED IN REFINED BEGG", { x: 6.9, y: 0.72, w: 6.2, h: 0.4, fontSize: 11, bold: true, color: C.white, align: "center", valign: "middle", margin: 0 });

  const changed = [
    "Diagnosis-driven (not cook-book) approach",
    "Hardware: combination tubes, modified molar offsets",
    "Controlled tipping via MAA (Stage I-B and II)",
    "Braking mechanics (prevent dished-in profile)",
    "Stage I split into I-A and I-B",
    "Stage IV added — finishing and detailing",
    "NiTi / coax wires introduced in Stage I-A",
    "Power arm method for bite opening",
    "Mini uprighting springs (0.009\") in Stage III",
    "Alpha Ti 0.022×0.018\" rectangular for finishing",
    "Modified bracket placement heights per tooth type",
    "Palatal brackets for TPA-elastic upper incisor intrusion",
  ];

  changed.forEach((item, i) => {
    const y = 1.18 + i * 0.46;
    if (y > 7.1) return;
    s.addShape(pres.ShapeType.rect, { x: 6.9, y, w: 6.2, h: 0.4, fill: { color: i % 2 === 0 ? "E9F7EF" : "D5F5E3" }, line: { color: "BDC3C7" } });
    s.addText("★  " + item, { x: 7.0, y, w: 6.0, h: 0.4, fontSize: 9, color: C.refHeader, valign: "middle", margin: 3 });
  });

  // VS badge center
  s.addShape(pres.ShapeType.rect, { x: 6.4, y: 0.72, w: 0.48, h: 5.75, fill: { color: "E8E8E8" }, line: { color: "E8E8E8" } });
  s.addShape(pres.ShapeType.ellipse, { x: 6.38, y: 3.1, w: 0.52, h: 0.52, fill: { color: C.darkBg }, line: { color: C.gold, pt: 2 } });
  s.addText("=", { x: 6.38, y: 3.1, w: 0.52, h: 0.52, fontSize: 14, bold: true, color: C.gold, align: "center", valign: "middle", margin: 0 });
}

// ======================================================================
// SLIDE 11 — SUMMARY / CONCLUSION
// ======================================================================
{
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  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 13.3, h: 7.5, fill: { color: C.darkBg }, line: { color: C.darkBg } });

  // Decorative stripes
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 0.3, h: 7.5, fill: { color: C.convAccent }, line: { color: C.convAccent } });
  s.addShape(pres.ShapeType.rect, { x: 13.0, y: 0, w: 0.3, h: 7.5, fill: { color: C.refAccent }, line: { color: C.refAccent } });

  s.addText("CONCLUSION", {
    x: 0.5, y: 0.4, w: 12.3, h: 0.5, fontSize: 14, bold: true, color: C.gold, align: "center", charSpacing: 5
  });
  s.addText("Conventional vs Refined Begg's Mechanotherapy", {
    x: 0.5, y: 0.9, w: 12.3, h: 0.45, fontSize: 20, bold: true, color: C.white, align: "center"
  });

  const points = [
    { icon: "01", text: "Refined Begg retains the CORE strengths of conventional Begg — light forces, anchor bends, efficient uprighting — but adds diagnostic individualization and biomechanical precision." },
    { icon: "02", text: "The key innovation is CONTROLLED TIPPING via MAA and BRAKING MECHANICS that actively prevent the 'dished-in profile' problem of conventional technique." },
    { icon: "03", text: "Stage I is split into I-A (alignment) and I-B (bite opening/overjet) for more systematic, stepwise correction — unlike the single broad Stage I of conventional Begg." },
    { icon: "04", text: "Hardware upgrades — combination tubes, modified bracket heights, molar tube offsets, palatal brackets — give the clinician far greater 3D control over tooth movement." },
    { icon: "05", text: "Stage IV (Finishing) is a formal addition in Refined Begg, recognizing that precise detailing (torque, tip, occlusal contacts, CO-CR) is impossible without a dedicated finishing protocol." },
    { icon: "06", text: "Refined Begg bridges the gap between Begg efficiency and edgewise precision — making it highly relevant for the Indian population where cost, awareness, and malocclusion severity demand a versatile, affordable technique." },
  ];

  points.forEach((p, i) => {
    const y = 1.5 + i * 0.93;
    s.addShape(pres.ShapeType.ellipse, { x: 0.5, y: y + 0.05, w: 0.52, h: 0.52, fill: { color: C.gold }, line: { color: C.gold } });
    s.addText(p.icon, { x: 0.5, y: y + 0.05, w: 0.52, h: 0.52, fontSize: 10, bold: true, color: C.darkBg, align: "center", valign: "middle", margin: 0 });
    s.addText(p.text, { x: 1.15, y, w: 11.7, h: 0.82, fontSize: 9.5, color: C.white, valign: "middle", margin: 4 });
  });

  s.addText("Ref: Dr. Vijay P. Jayade — Refined Begg for Modern Times  |  Sessions 5, 6 & 7", {
    x: 0.5, y: 7.1, w: 12.3, h: 0.3, fontSize: 7.5, color: C.midGrey, align: "center"
  });
}

// ─── WRITE FILE ───────────────────────────────────────────────────
const outPath = "/home/daytona/workspace/begg-comparison/Conventional_vs_Refined_Begg.pptx";
pres.writeFile({ fileName: outPath }).then(() => {
  console.log("SUCCESS:", outPath);
}).catch(err => {
  console.error("ERROR:", err);
});

cd /home/daytona/workspace/begg-comparison && node build.js 2>&1

ls -lh /home/daytona/workspace/begg-comparison/Conventional_vs_Refined_Begg.pptx