from reportlab.lib.pagesizes import A4
from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle
from reportlab.lib.units import cm, mm
from reportlab.lib.colors import HexColor, black, white, Color
from reportlab.platypus import (
    SimpleDocTemplate, Paragraph, Spacer, Table, TableStyle,
    HRFlowable, PageBreak, KeepTogether
)
from reportlab.lib.enums import TA_CENTER, TA_LEFT, TA_JUSTIFY, TA_RIGHT
from reportlab.pdfgen import canvas as pdfcanvas

OUTPUT = "/tmp/workspace/disaster-management/Disaster_Management_Tintinalli.pdf"

# ── Colour palette ──────────────────────────────────────────────────────────
NAVY    = HexColor("#1B3A5C")
TEAL    = HexColor("#1A7A7A")
RED_BOX = HexColor("#C0392B")
AMBER   = HexColor("#D4830A")
GREEN_  = HexColor("#1A7A3A")
LIGHT_BG= HexColor("#EAF4FB")
AMBER_BG= HexColor("#FFF8E7")
RED_BG  = HexColor("#FDECEA")
GREEN_BG= HexColor("#E8F8EC")
GREY    = HexColor("#F5F5F5")
DARK_TEXT=HexColor("#1A1A2E")

def build_styles():
    styles = getSampleStyleSheet()

    styles.add(ParagraphStyle(name='DocTitle',
        fontName='Helvetica-Bold', fontSize=22, textColor=white,
        alignment=TA_CENTER, spaceAfter=4))
    styles.add(ParagraphStyle(name='DocSubtitle',
        fontName='Helvetica', fontSize=12, textColor=HexColor("#BFD7EE"),
        alignment=TA_CENTER, spaceAfter=2))
    styles.add(ParagraphStyle(name='DocRef',
        fontName='Helvetica-Oblique', fontSize=9, textColor=HexColor("#90C4E4"),
        alignment=TA_CENTER, spaceAfter=2))

    styles.add(ParagraphStyle(name='H1',
        fontName='Helvetica-Bold', fontSize=15, textColor=white,
        spaceBefore=14, spaceAfter=6, leading=20))
    styles.add(ParagraphStyle(name='H2',
        fontName='Helvetica-Bold', fontSize=12, textColor=NAVY,
        spaceBefore=10, spaceAfter=4, leading=16))
    styles.add(ParagraphStyle(name='H3',
        fontName='Helvetica-Bold', fontSize=10.5, textColor=TEAL,
        spaceBefore=7, spaceAfter=3, leading=14))

    styles.add(ParagraphStyle(name='Body',
        fontName='Helvetica', fontSize=9.5, textColor=DARK_TEXT,
        spaceBefore=3, spaceAfter=3, leading=14, alignment=TA_JUSTIFY))
    styles.add(ParagraphStyle(name='Bullet',
        fontName='Helvetica', fontSize=9.5, textColor=DARK_TEXT,
        spaceBefore=2, spaceAfter=2, leading=13,
        leftIndent=14, firstLineIndent=-10))
    styles.add(ParagraphStyle(name='SmallBody',
        fontName='Helvetica', fontSize=8.5, textColor=DARK_TEXT,
        spaceBefore=2, spaceAfter=2, leading=12, alignment=TA_JUSTIFY))
    styles.add(ParagraphStyle(name='TableCell',
        fontName='Helvetica', fontSize=8.5, textColor=DARK_TEXT,
        spaceBefore=1, spaceAfter=1, leading=11))
    styles.add(ParagraphStyle(name='TableHdr',
        fontName='Helvetica-Bold', fontSize=8.5, textColor=white,
        spaceBefore=1, spaceAfter=1, leading=11, alignment=TA_CENTER))
    styles.add(ParagraphStyle(name='BoxText',
        fontName='Helvetica', fontSize=9, textColor=DARK_TEXT,
        spaceBefore=2, spaceAfter=2, leading=12, leftIndent=6))
    styles.add(ParagraphStyle(name='BoxTitle',
        fontName='Helvetica-Bold', fontSize=10, textColor=NAVY,
        spaceBefore=2, spaceAfter=3, leading=13))
    styles.add(ParagraphStyle(name='QTitle',
        fontName='Helvetica-Bold', fontSize=11, textColor=NAVY,
        spaceBefore=6, spaceAfter=4, leading=14))
    styles.add(ParagraphStyle(name='MarkScheme',
        fontName='Helvetica', fontSize=9, textColor=DARK_TEXT,
        spaceBefore=2, spaceAfter=2, leading=12, leftIndent=12))
    return styles

S = build_styles()

def section_header(title, color=NAVY):
    """Returns a coloured section header block."""
    data = [[Paragraph(title, S['H1'])]]
    t = Table(data, colWidths=[17*cm])
    t.setStyle(TableStyle([
        ('BACKGROUND', (0,0), (-1,-1), color),
        ('TOPPADDING',  (0,0), (-1,-1), 8),
        ('BOTTOMPADDING',(0,0),(-1,-1), 8),
        ('LEFTPADDING', (0,0), (-1,-1), 12),
        ('RIGHTPADDING',(0,0), (-1,-1), 8),
        ('ROUNDEDCORNERS', [4]),
    ]))
    return t

def color_box(title, items, bg=LIGHT_BG, border=TEAL, title_color=TEAL):
    """Coloured info box with bullet items."""
    elems = []
    if title:
        elems.append(Paragraph(title, S['BoxTitle'] if title_color == TEAL else
            ParagraphStyle('bt2', fontName='Helvetica-Bold', fontSize=10,
                           textColor=title_color, spaceBefore=2, spaceAfter=3)))
    for item in items:
        elems.append(Paragraph(f"\u2022  {item}", S['BoxText']))
    inner = Table([[e] for e in elems], colWidths=[15.6*cm])
    inner.setStyle(TableStyle([
        ('BACKGROUND', (0,0),(-1,-1), bg),
        ('BOX', (0,0),(-1,-1), 1, border),
        ('TOPPADDING',(0,0),(-1,-1),2),
        ('BOTTOMPADDING',(0,0),(-1,-1),2),
        ('LEFTPADDING',(0,0),(-1,-1),8),
        ('RIGHTPADDING',(0,0),(-1,-1),6),
    ]))
    return inner

def two_col_table(headers, rows, col_w=None):
    if col_w is None:
        col_w = [5*cm, 12*cm]
    data = [[Paragraph(h, S['TableHdr']) for h in headers]]
    for row in rows:
        data.append([Paragraph(str(c), S['TableCell']) for c in row])
    t = Table(data, colWidths=col_w, repeatRows=1)
    t.setStyle(TableStyle([
        ('BACKGROUND', (0,0),(-1,0), NAVY),
        ('ROWBACKGROUNDS',(0,1),(-1,-1),[white, GREY]),
        ('GRID',(0,0),(-1,-1),0.4,HexColor("#BBBBBB")),
        ('TOPPADDING',(0,0),(-1,-1),4),
        ('BOTTOMPADDING',(0,0),(-1,-1),4),
        ('LEFTPADDING',(0,0),(-1,-1),5),
        ('RIGHTPADDING',(0,0),(-1,-1),5),
        ('VALIGN',(0,0),(-1,-1),'TOP'),
    ]))
    return t

def triage_color_table():
    """4-colour triage categories table"""
    colors_map = {
        'RED'   : (HexColor("#C0392B"), white, 'IMMEDIATE (Priority I)',
                   'Life-threatening but survivable injuries.\nAirway compromise, severe hemorrhage, tension pneumothorax, major burns 20-60% BSA.\nNeeds care within minutes.'),
        'YELLOW': (HexColor("#D4830A"), white, 'DELAYED (Priority II)',
                   'Serious injuries but can wait 45–60 min.\nFractures, moderate burns, abdominal injuries without shock.\nSystemic decline possible but not imminent.'),
        'GREEN' : (HexColor("#1A7A3A"), white, 'MINIMAL (Priority III)',
                   '"Walking wounded." Minor lacerations, contusions, minor fractures.\nAmbulatory patients who can wait several hours.\nSelf-care or minimal aid needed.'),
        'BLACK' : (HexColor("#1A1A1A"), white, 'EXPECTANT / DEAD (Priority 0)',
                   'Dead, or unsurvivable injuries despite optimal care.\nIncludes: unresponsive + apneic, burns >95% BSA, cardiac arrest.\nGoal: comfort measures only.'),
    }
    rows = []
    for tag, (bg, fg, priority, desc) in colors_map.items():
        tag_cell = Table([[Paragraph(tag, ParagraphStyle('tg',
            fontName='Helvetica-Bold', fontSize=13, textColor=fg,
            alignment=TA_CENTER))]],
            colWidths=[2.2*cm])
        tag_cell.setStyle(TableStyle([
            ('BACKGROUND',(0,0),(-1,-1), bg),
            ('TOPPADDING',(0,0),(-1,-1),10),('BOTTOMPADDING',(0,0),(-1,-1),10),
        ]))
        pri_para = Paragraph(f"<b>{priority}</b>", S['TableCell'])
        desc_para = Paragraph(desc.replace('\n','<br/>'), S['SmallBody'])
        rows.append([tag_cell, pri_para, desc_para])
    t = Table(rows, colWidths=[2.2*cm, 4.5*cm, 10.3*cm])
    t.setStyle(TableStyle([
        ('GRID',(0,0),(-1,-1),0.4,HexColor("#CCCCCC")),
        ('ROWBACKGROUNDS',(0,0),(-1,-1),[GREY, white, GREY, white]),
        ('TOPPADDING',(0,0),(-1,-1),4),('BOTTOMPADDING',(0,0),(-1,-1),4),
        ('LEFTPADDING',(1,0),(-1,-1),6),
        ('VALIGN',(0,0),(-1,-1),'MIDDLE'),
    ]))
    return t

# ── Custom Canvas (header + footer) ─────────────────────────────────────────
class HeaderFooterCanvas(pdfcanvas.Canvas):
    def __init__(self, *args, **kwargs):
        pdfcanvas.Canvas.__init__(self, *args, **kwargs)
        self._saved_page_states = []

    def showPage(self):
        self._saved_page_states.append(dict(self.__dict__))
        self._startPage()

    def save(self):
        num_pages = len(self._saved_page_states)
        for state in self._saved_page_states:
            self.__dict__.update(state)
            self.draw_header_footer(num_pages)
            pdfcanvas.Canvas.showPage(self)
        pdfcanvas.Canvas.save(self)

    def draw_header_footer(self, page_count):
        self.saveState()
        w, h = A4
        page_num = self._saved_page_states.index(dict(self.__dict__)) + 1 \
                   if dict(self.__dict__) in self._saved_page_states else 1

        # Header (skip page 1 – cover)
        if page_num > 1:
            self.setFillColor(NAVY)
            self.rect(0, h - 1.1*cm, w, 1.1*cm, fill=1, stroke=0)
            self.setFont('Helvetica-Bold', 8)
            self.setFillColor(white)
            self.drawString(1.5*cm, h - 0.72*cm, "DISASTER MANAGEMENT")
            self.setFont('Helvetica', 8)
            self.drawRightString(w - 1.5*cm, h - 0.72*cm,
                                 "Based on Tintinalli's Emergency Medicine")

        # Footer
        self.setFillColor(NAVY)
        self.rect(0, 0, w, 0.85*cm, fill=1, stroke=0)
        self.setFont('Helvetica', 7.5)
        self.setFillColor(white)
        self.drawString(1.5*cm, 0.3*cm, "Tintinalli's Emergency Medicine – A Comprehensive Study Guide, 9th Ed.")
        self.drawRightString(w - 1.5*cm, 0.3*cm, f"Page {page_num} of {page_count}")
        self.restoreState()

def build_pdf():
    doc = SimpleDocTemplate(
        OUTPUT, pagesize=A4,
        topMargin=1.6*cm, bottomMargin=1.4*cm,
        leftMargin=2*cm, rightMargin=2*cm,
        title="Disaster Management – Tintinalli",
        author="Tintinalli's Emergency Medicine"
    )

    story = []
    W = 17*cm   # usable width

    # ════════════════════════════════════════════════════════════════
    # COVER PAGE
    # ════════════════════════════════════════════════════════════════
    cover_bg = Table(
        [[Paragraph("", S['Body'])]],
        colWidths=[W], rowHeights=[2.5*cm]
    )
    cover_bg.setStyle(TableStyle([('BACKGROUND',(0,0),(-1,-1), NAVY)]))
    story.append(cover_bg)
    story.append(Spacer(1, 0.5*cm))

    cover_data = [[
        Paragraph("DISASTER MANAGEMENT", S['DocTitle']),
        Paragraph("", S['DocTitle'])
    ]]
    cover_title = Table(
        [[Paragraph("DISASTER MANAGEMENT", ParagraphStyle('CT',
            fontName='Helvetica-Bold', fontSize=26, textColor=white,
            alignment=TA_CENTER, spaceAfter=6))]],
        colWidths=[W]
    )
    cover_title.setStyle(TableStyle([
        ('BACKGROUND',(0,0),(-1,-1), NAVY),
        ('TOPPADDING',(0,0),(-1,-1),18),
        ('BOTTOMPADDING',(0,0),(-1,-1),6),
    ]))
    story.append(cover_title)

    sub_table = Table(
        [[Paragraph("Field Triage · In-Hospital Triage · Tertiary Centre Management · Referral Criteria",
                    ParagraphStyle('sub', fontName='Helvetica', fontSize=12,
                                   textColor=HexColor("#BFD7EE"), alignment=TA_CENTER))],
         [Paragraph("Based on Tintinalli's Emergency Medicine – A Comprehensive Study Guide, 9th Edition",
                    ParagraphStyle('ref', fontName='Helvetica-Oblique', fontSize=9.5,
                                   textColor=HexColor("#90C4E4"), alignment=TA_CENTER,
                                   spaceBefore=4))]],
        colWidths=[W]
    )
    sub_table.setStyle(TableStyle([
        ('BACKGROUND',(0,0),(-1,-1), NAVY),
        ('TOPPADDING',(0,0),(-1,-1),4),
        ('BOTTOMPADDING',(0,0),(-1,-1),16),
    ]))
    story.append(sub_table)
    story.append(Spacer(1, 0.6*cm))

    # Cover TOC box
    toc_items = [
        "1.  Disaster: Definition, Types, and Characteristics",
        "2.  Disaster Preparedness and Planning",
        "3.  Out-of-Hospital (Field) Management",
        "4.  Field Triage – START Algorithm",
        "5.  In-Hospital Triage – Color-Coded Categories",
        "6.  In-Hospital Management and Treatment Areas",
        "7.  Management in Tertiary Centre",
        "8.  Referral Criteria",
        "9.  Short Answer Question – Triage (10 Marks)",
    ]
    story.append(color_box("CONTENTS", toc_items, bg=LIGHT_BG, border=TEAL))
    story.append(PageBreak())

    # ════════════════════════════════════════════════════════════════
    # SECTION 1 – DEFINITION, TYPES, CHARACTERISTICS
    # ════════════════════════════════════════════════════════════════
    story.append(section_header("1.  DISASTER: DEFINITION, TYPES & CHARACTERISTICS"))
    story.append(Spacer(1, 0.25*cm))

    story.append(Paragraph("Definition", S['H2']))
    story.append(Paragraph(
        "The <b>World Health Organization</b> defines a disaster as a sudden ecologic phenomenon of "
        "sufficient magnitude to require external assistance. A disaster is an event that <b>overwhelms "
        "the resources of the region</b> or location in which it occurs. A hospital disaster may be "
        "defined as any event that overwhelms the resources of the receiving hospital — this is not "
        "limited to mass casualty incidents. Even a single patient (e.g., organophosphate poisoning, "
        "suspected smallpox, a celebrity patient) can constitute a hospital disaster.",
        S['Body']))
    story.append(Spacer(1, 0.2*cm))

    story.append(Paragraph("Types of Disasters", S['H2']))
    story.append(two_col_table(
        ["Type", "Definition / Examples"],
        [
            ["Natural", "Earthquakes, tsunamis, tornadoes, hurricanes, volcanic eruptions, pandemic influenza"],
            ["Technological / Industrial", "Chemical plant explosions, radiation releases, transportation accidents, infrastructure failure"],
            ["Intentional (Man-made)", "Terrorism (CBRN), active shooter, war, civil unrest, bioterrorism"],
            ["External", "Event physically separate from hospital (e.g., transport accident, industrial accident)"],
            ["Internal", "Event within hospital confines (e.g., bomb scare, radiation lab accident, power failure)"],
            ["Combination", "Event causing mass casualties AND hospital structural damage (e.g., earthquake)"],
        ],
        col_w=[3.5*cm, 13.5*cm]
    ))
    story.append(Spacer(1, 0.3*cm))

    story.append(Paragraph("Disaster Characteristics", S['H2']))
    story.append(Paragraph(
        "Regardless of cause, most acute disasters share common features important for preparedness:",
        S['Body']))
    char_items = [
        "Large numbers of <b>minimally injured patients</b> arrive at the nearest hospital first — usually <b>without prehospital triage</b>.",
        "~<b>80%</b> of patients <b>self-transport</b> (car, van, foot, cab) rather than via EMS — early surge is unpredictable.",
        "Initial patients can be expected within <b>minutes</b>; peak volumes at <b>2–3 hours</b> post-event.",
        "ED volumes remain elevated for <b>days to weeks</b> even after the acute phase.",
        "Non-acute disasters (e.g., pandemics) have <b>slower onset</b> but <b>prolonged</b> elevated volumes.",
        "Hospital overcrowding significantly limits <b>surge capacity</b>.",
        "Prehospital transport of the most severely injured follows the initial wave of self-presenting patients.",
    ]
    for item in char_items:
        story.append(Paragraph(f"\u2022  {item}", S['Bullet']))
    story.append(Spacer(1, 0.3*cm))

    # ════════════════════════════════════════════════════════════════
    # SECTION 2 – PREPAREDNESS
    # ════════════════════════════════════════════════════════════════
    story.append(section_header("2.  DISASTER PREPAREDNESS AND PLANNING", color=TEAL))
    story.append(Spacer(1, 0.25*cm))

    story.append(Paragraph(
        "A <b>hospital disaster planning group</b> (comprising diverse hospital staff and decision-makers) "
        "generates the Hospital Emergency Operations Plan (HEOP). Components include:",
        S['Body']))
    prep_items = [
        "<b>Hazard Vulnerability Analysis (HVA)</b> – identify community-specific risks (geography, proximity to chemical sites, transportation hubs, terrorist targets).",
        "<b>Hospital–Community Coordination</b> – liaison with EMS, fire service, public health, police, Red Cross, and emergency management agencies.",
        "<b>Integration with National Response Assets</b> – FEMA, NDMS, CDC, Metropolitan Medical Response System.",
        "<b>Training and Disaster Exercises</b> – regular drills with after-action reports to correct deficiencies.",
        "<b>Specific Plans</b> – mass casualties, decontamination, radiation, bioterrorism, CBRN, active shooter.",
    ]
    for item in prep_items:
        story.append(Paragraph(f"\u2022  {item}", S['Bullet']))
    story.append(Spacer(1, 0.2*cm))

    story.append(Paragraph(
        "The HEOP must address: staff call-in trees, patient discharge/transfer protocols, decontamination "
        "procedures, security, family/media/volunteer centres, supply logistics, blood banking (up to 50 units "
        "and mobilisable donors), mental health resources, morgue expansion, and post-event critical incident "
        "stress debriefing.", S['Body']))
    story.append(Spacer(1, 0.3*cm))

    # ════════════════════════════════════════════════════════════════
    # SECTION 3 – OUT-OF-HOSPITAL / FIELD MANAGEMENT
    # ════════════════════════════════════════════════════════════════
    story.append(PageBreak())
    story.append(section_header("3.  OUT-OF-HOSPITAL (FIELD) MANAGEMENT", color=RED_BOX))
    story.append(Spacer(1, 0.25*cm))

    story.append(Paragraph(
        "Field disaster response comprises: field triage and medical care, communications, "
        "casualty distribution, and management of on-site disaster medical teams.",
        S['Body']))
    story.append(Spacer(1, 0.2*cm))

    story.append(Paragraph("Key Principles of Field Medical Care", S['H2']))
    field_items = [
        "If patient numbers are <b>small</b> and resources sufficient: on-site stabilisation and rapid transport to nearby hospitals.",
        "If <b>extrication is prolonged</b>: institute fluid resuscitation and pain control in the field.",
        "If there is <b>ongoing danger</b> (fire, explosives, hazmat, falling structures): practise <b>early rapid transport with minimum treatment</b>.",
        "Establish <b>Incident Command System (ICS)</b>: incident commander, medical branch director, triage officer, treatment officer, transportation officer.",
        "Establish a <b>casualty collection point (CCP)</b> — a designated, protected area where patients are consolidated for triage.",
        "Establish <b>treatment sectors</b>: Immediate (Red), Delayed (Yellow), Minimal (Green), Expectant/Dead (Black).",
        "Initiate <b>casualty distribution</b>: spread patients across regional hospitals to avoid overwhelming any single centre.",
        "Communicate hospital capacity/status via regional emergency communications centre.",
        "Field medical teams should carry <b>disaster triage kits</b> with essential resuscitation and stabilisation equipment.",
        "At least one institution per region should maintain an <b>on-site triage team</b> of physicians and nurses.",
    ]
    for item in field_items:
        story.append(Paragraph(f"\u2022  {item}", S['Bullet']))

    story.append(Spacer(1, 0.3*cm))
    story.append(Paragraph("Field Decontamination (CBRN Events)", S['H2']))
    decon_items = [
        "Perform decontamination <b>external to the ED / clinical care area</b>.",
        "<b>Disrobe</b> patients — remove clothing, jewellery, contact lenses; bag and label belongings.",
        "<b>Warm water</b> is the universal decontamination fluid: head-to-toe wash/shower for ≥5 minutes.",
        "Level C PPE minimum for hospital decontamination personnel; rotate every 30 min.",
        "<b>Contain runoff water</b> to prevent environmental contamination.",
        "For radiological events: radiation survey (Geiger–Müller counter) before and after decontamination.",
        "Re-triage after decontamination — especially patients with eye pain (irrigate with normal saline).",
        "Call <b>Poison Center (1-800-222-1222)</b> for chemical agent guidance; CDC for biological agents.",
    ]
    for item in decon_items:
        story.append(Paragraph(f"\u2022  {item}", S['Bullet']))

    # ════════════════════════════════════════════════════════════════
    # SECTION 4 – FIELD TRIAGE / START
    # ════════════════════════════════════════════════════════════════
    story.append(Spacer(1, 0.3*cm))
    story.append(section_header("4.  FIELD TRIAGE – START AND SALT ALGORITHMS", color=AMBER))
    story.append(Spacer(1, 0.25*cm))

    story.append(Paragraph(
        "In the field, rescue personnel use a <b>Simple Triage and Rapid Treatment (START)</b> technique "
        "based on rapid assessment of respiratory status, perfusion, haemorrhage control, and mental "
        "status. The newer <b>SALT algorithm</b> (Sort, Assess, Lifesaving interventions, Treat/Transport) "
        "is evidence-supported and best balances sensitivity and specificity.",
        S['Body']))

    story.append(Spacer(1, 0.2*cm))
    story.append(Paragraph("START Algorithm – 30-Second Assessment Per Patient", S['H2']))

    start_rows = [
        ["Step", "Assessment", "Action / Outcome"],
        ["1. RESPIRATIONS",
         "Is the patient breathing?",
         "NOT breathing → open airway → still not breathing → BLACK (Expectant)\n"
         "Breathing >30/min or <30/min → proceed to step 2"],
        ["2. PERFUSION",
         "Radial pulse present?\nOR capillary refill <2 sec?",
         "No pulse / cap refill >2 sec → control bleeding → RED (Immediate)\n"
         "Pulse present → proceed to step 3"],
        ["3. MENTAL STATUS",
         "Can patient follow simple commands?",
         "Cannot obey commands → RED (Immediate)\n"
         "Can obey commands → YELLOW (Delayed)"],
        ["4. WALK",
         "Can the patient walk?",
         "Walking wounded → GREEN (Minimal)\n(Assessed last in global sort)"],
    ]
    t = Table([[Paragraph(c if i==0 else c, S['TableHdr'] if i==0 else S['TableCell'])
                for c in row]
               for i, row in enumerate(start_rows)],
              colWidths=[3.5*cm, 5*cm, 8.5*cm], repeatRows=1)
    t.setStyle(TableStyle([
        ('BACKGROUND',(0,0),(-1,0), AMBER),
        ('ROWBACKGROUNDS',(0,1),(-1,-1),[white, AMBER_BG]),
        ('GRID',(0,0),(-1,-1),0.4,HexColor("#CCCCCC")),
        ('TOPPADDING',(0,0),(-1,-1),4),('BOTTOMPADDING',(0,0),(-1,-1),4),
        ('LEFTPADDING',(0,0),(-1,-1),5),('RIGHTPADDING',(0,0),(-1,-1),5),
        ('VALIGN',(0,0),(-1,-1),'TOP'),
    ]))
    story.append(t)

    story.append(Spacer(1, 0.3*cm))
    story.append(Paragraph("SALT Algorithm", S['H2']))
    story.append(Paragraph(
        "SALT = <b>S</b>ort, <b>A</b>ssess, <b>L</b>ifesaving interventions, <b>T</b>reat/Transport", S['Body']))
    salt_items = [
        "<b>Step 1 – Global Sort (Three Tiers):</b> Direct casualties to walk to designated area (lowest priority); ask remaining to wave / purposeful movement (next priority); motionless / obvious life-threat assessed first.",
        "<b>Step 2 – Individual Assessment and Lifesaving Interventions (LSI):</b> LSI must be quick, greatly improve survival, not require provider to stay, within scope, and use available equipment. LSI includes: massive haemorrhage control, airway opening.",
        "<b>Step 3 – Prioritisation:</b> After LSI, assign category — Immediate, Delayed, Minimal, or Expectant (DIME). Triage is dynamic and ongoing through each level of care.",
        "<b>Triage Officer</b> required: provider with triage-specific training improves accuracy. Dedicated command-and-control structure and single triage point essential.",
    ]
    for item in salt_items:
        story.append(Paragraph(f"\u2022  {item}", S['Bullet']))

    story.append(Spacer(1, 0.2*cm))
    story.append(Paragraph("Mass Casualty Triage Algorithm (Tintinalli Table 302-5)", S['H3']))
    mcal_rows = [
        ["AIRWAY", "Moving air?",
         "Yes → assess breathing\nNo → open airway; moving air? Yes → assess breathing; No → EXPECTANT"],
        ["BREATHING", "Breathing?",
         "Yes → assess bleeding\nNo (after airway open) → EXPECTANT"],
        ["BLEEDING", "Life-threatening haemorrhage?",
         "Yes → control → assess perfusion\nNo → assess perfusion"],
        ["PERFUSION", "Peripheral pulse present?",
         "No pulse → IMMEDIATE\nPulse present → assess mental status"],
        ["MENTAL STATUS", "Obeys commands?",
         "No → IMMEDIATE\nYes → DELAYED\nMinor injuries only → MINIMAL"],
    ]
    mt = Table(
        [[Paragraph(c, S['TableHdr'] if i==0 else S['TableCell']) for c in row]
         for i, row in enumerate([["Parameter","Assessment","Outcome"]] + mcal_rows)],
        colWidths=[3*cm, 4.5*cm, 9.5*cm], repeatRows=1
    )
    mt.setStyle(TableStyle([
        ('BACKGROUND',(0,0),(-1,0), NAVY),
        ('ROWBACKGROUNDS',(0,1),(-1,-1),[white, GREY]),
        ('GRID',(0,0),(-1,-1),0.4,HexColor("#BBBBBB")),
        ('TOPPADDING',(0,0),(-1,-1),4),('BOTTOMPADDING',(0,0),(-1,-1),4),
        ('LEFTPADDING',(0,0),(-1,-1),5),('RIGHTPADDING',(0,0),(-1,-1),5),
        ('VALIGN',(0,0),(-1,-1),'TOP'),
    ]))
    story.append(mt)

    # ════════════════════════════════════════════════════════════════
    # SECTION 5 – IN-HOSPITAL TRIAGE
    # ════════════════════════════════════════════════════════════════
    story.append(PageBreak())
    story.append(section_header("5.  IN-HOSPITAL TRIAGE – COLOUR-CODED SYSTEM", color=RED_BOX))
    story.append(Spacer(1, 0.25*cm))

    story.append(Paragraph(
        "Triage must be performed at the ED entrance even if already done in the field, because patient "
        "status may have changed. All patients — including those self-presenting — must be assessed. "
        "The goal is to <b>do the most good for the most patients</b>. Triage at the hospital level should "
        "be limited to manually opening airways and controlling external haemorrhage.",
        S['Body']))
    story.append(Spacer(1, 0.2*cm))
    story.append(Paragraph("Triage Categories (Tintinalli Table 5-8)", S['H2']))
    story.append(triage_color_table())

    story.append(Spacer(1, 0.3*cm))
    story.append(Paragraph("Triage Team Composition", S['H2']))
    story.append(Paragraph(
        "A triage team consists of: <b>Emergency physician + ED nurse + Medical records/admitting clerk</b>. "
        "In extraordinary situations, multiple triage teams operate simultaneously. "
        "Triage category is identified by a <b>colour-coded band or disaster tag</b> placed on the patient.",
        S['Body']))

    story.append(Spacer(1, 0.2*cm))
    story.append(Paragraph("Triage Decision Factors", S['H2']))
    td_items = [
        "Nature and urgency of the patient's systemic condition",
        "Prognosis factors: age, general health, prior physical condition",
        "Qualifications of responders and availability of equipment and supplies",
        "Number of patients versus available resources",
        "Mechanism of injury and anticipated delayed presentations (e.g., blast injury: dysrhythmias, hyperkalemia, renal failure, pulmonary blast injury)",
    ]
    for item in td_items:
        story.append(Paragraph(f"\u2022  {item}", S['Bullet']))

    # ════════════════════════════════════════════════════════════════
    # SECTION 6 – IN-HOSPITAL MANAGEMENT
    # ════════════════════════════════════════════════════════════════
    story.append(Spacer(1, 0.3*cm))
    story.append(section_header("6.  IN-HOSPITAL MANAGEMENT AND TREATMENT AREAS", color=TEAL))
    story.append(Spacer(1, 0.25*cm))

    story.append(Paragraph("Initial Response Activation", S['H2']))
    init_items = [
        "Disaster event verified by predesignated official → Emergency Operations Plan activated.",
        "Charge nurse and ED physician notified; on-call cascade activated; additional staff called in.",
        "ED physician/charge nurse acts as <b>on-site incident commander</b> until designated commander arrives.",
        "Discharge all non-emergency patients from ED; assess admission/discharge/transfer for current inpatients.",
        "Communicate patient capacity to regional emergency communications centre.",
        "Security diverts non-essential vehicles; one-way traffic flow to ambulance entrance established.",
        "Essential equipment (ETT, IV fluids, collars, splints, bandages) staged at ambulance entrance.",
    ]
    for item in init_items:
        story.append(Paragraph(f"\u2022  {item}", S['Bullet']))

    story.append(Spacer(1, 0.2*cm))
    story.append(Paragraph("Treatment Zone Organisation", S['H2']))
    zones = [
        ["Zone", "Function", "Patients / Notes"],
        ["RESUSCITATION\n(Red Zone)", "Immediate life-saving care",
         "Trauma resuscitation, haemorrhagic/septic shock, severe respiratory failure.\nStaffed by emergency physicians. Located in ED core or direct OR triage."],
        ["PRESURGICAL HOLDING\n(Yellow Zone)", "Surgical triage and monitoring",
         "Trauma patients needing surgical evaluation. Staffed by surgery team.\nPatients can tolerate 45–60 min wait. Prioritised for OR."],
        ["MINOR TREATMENT\n(Green Zone)", "Urgent care / definitive minor care",
         "Majority of patients. Splinting, laceration closure, tetanus prophylaxis, observation.\nCan be in outpatient clinics; staffed by clinic physicians."],
        ["DECONTAMINATION\n(Pre-entry)", "Remove chemical/radiological contamination",
         "External to ED. Warm water wash. Level C PPE for staff."],
        ["MENTAL HEALTH AREA", "Psychiatric intervention",
         "Agitated patients, anxiety, PTSD, exacerbations of psychiatric illness.\nSocial workers, psychiatrists, critical stress response team."],
        ["MORGUE", "Fatality management",
         "Expanded to adjacent areas or freezer trucks (prearranged).\nDisaster Mortuary Operational Response Teams (DMORT) if needed."],
        ["FAMILY INFORMATION CENTRE", "Family liaison",
         "Separate from clinical areas. Prevents interference with care."],
        ["MEDIA CENTRE", "Press and public information",
         "Single hospital spokesperson (Public Information Officer). Away from clinical areas."],
        ["VOLUNTEER COORDINATION", "Manage unsolicited volunteers",
         "Emergency credentialing if appropriate. Prevents hindrance to care."],
    ]
    tz = Table(
        [[Paragraph(c, S['TableHdr'] if i==0 else S['TableCell']) for c in row]
         for i, row in enumerate(zones)],
        colWidths=[4*cm, 4.5*cm, 8.5*cm], repeatRows=1
    )
    tz.setStyle(TableStyle([
        ('BACKGROUND',(0,0),(-1,0), TEAL),
        ('ROWBACKGROUNDS',(0,1),(-1,-1),[white, GREY]),
        ('GRID',(0,0),(-1,-1),0.4,HexColor("#BBBBBB")),
        ('TOPPADDING',(0,0),(-1,-1),4),('BOTTOMPADDING',(0,0),(-1,-1),4),
        ('LEFTPADDING',(0,0),(-1,-1),5),('RIGHTPADDING',(0,0),(-1,-1),5),
        ('VALIGN',(0,0),(-1,-1),'TOP'),
    ]))
    story.append(tz)

    story.append(Spacer(1, 0.3*cm))
    story.append(Paragraph("Clinical Management Principles in Disaster", S['H2']))
    cm_items = [
        "<b>Use radiographic and laboratory studies sparingly</b> — only if results will change management.",
        "Possible closed, non-angulated fractures: splint and delay X-ray 24–48 h.",
        "Chest X-ray for chest pain, dyspnoea, abnormal wall motion, or blast exposure.",
        "<b>FAST ultrasound</b> for intraperitoneal/pericardial fluid and pneumothorax — time and cost effective.",
        "Point-of-care testing preferred (e.g., baseline haematocrit and type-and-crossmatch in haemorrhagic shock).",
        "<b>Carboxyhaemoglobin</b> in smoke inhalation; no other routine labs indicated.",
        "Pulse oximetry as <b>spot assessment</b>, not continuous bedside monitoring.",
        "Wounds: consider <b>delayed primary closure</b> if contaminated or prolonged extrication.",
        "Post-extrication monitoring for: <b>cardiac dysrhythmias, hyperkalaemia, renal failure</b> (crush syndrome), pulmonary blast injury.",
        "Blood bank: ensure <b>up to 50 units of blood</b> available; mobilise volunteer donors from minimally injured patients and family members.",
        "Contact <b>CDC</b> for biological agent guidance; <b>Poison Centre</b> for chemical agents.",
    ]
    for item in cm_items:
        story.append(Paragraph(f"\u2022  {item}", S['Bullet']))

    # ════════════════════════════════════════════════════════════════
    # SECTION 7 – TERTIARY CENTRE MANAGEMENT
    # ════════════════════════════════════════════════════════════════
    story.append(PageBreak())
    story.append(section_header("7.  MANAGEMENT IN A TERTIARY CENTRE", color=NAVY))
    story.append(Spacer(1, 0.25*cm))

    story.append(Paragraph(
        "Tertiary centres (Level I trauma centres / academic medical centres) provide "
        "the highest level of care and serve as the final referral destination in a disaster. "
        "They must activate their HEOP early and coordinate with regional hospitals.",
        S['Body']))

    story.append(Spacer(1, 0.15*cm))
    story.append(Paragraph("Tertiary Centre Disaster Activations", S['H2']))
    tc_items = [
        "<b>Surge capacity maximisation</b>: rapid discharge of stable inpatients, cancel elective admissions and procedures, activate disaster beds.",
        "<b>OR surge</b>: prioritise operative cases — haemorrhage control (damage control surgery), airway surgical management, cavity decompression.",
        "<b>ICU surge</b>: convert step-down and recovery rooms to ICU capacity; train rapid ICU protocols.",
        "<b>Trauma team activation</b>: senior surgeons, orthopaedics, neurosurgery, anaesthesia, and critical care on standby.",
        "<b>Blood product preparation</b>: massive transfusion protocols activated; blood bank pre-warmed; FFP:PRBCs:platelets (1:1:1 ratio for haemorrhagic shock).",
        "<b>Specialist resources</b>: burn unit, neurosurgical suite, cardiothoracic, paediatric care, toxicology consultation.",
        "<b>Radiology</b>: prioritise CT for complex multi-system trauma; FAST ultrasonography for rapid triage.",
        "<b>Pharmacy</b>: ensure antidotes (atropine, pralidoxime for organophosphates), antibiotics, analgesics, anticoagulants, blood products stockpiled.",
        "<b>Regional coordination</b>: accept incoming transfers; communicate available capacity to EMS dispatch and regional coordination centre.",
        "<b>Staff recall</b>: full disaster call-in of all surgical and critical care staff.",
    ]
    for item in tc_items:
        story.append(Paragraph(f"\u2022  {item}", S['Bullet']))

    story.append(Spacer(1, 0.2*cm))
    story.append(Paragraph("Damage Control Surgery (DCS) in Disaster", S['H2']))
    dcs_items = [
        "<b>Phase 1 – Haemorrhage and contamination control</b>: abbreviated laparotomy, packing, shunts, temporary wound closure.",
        "<b>Phase 2 – ICU resuscitation</b>: correction of hypothermia, acidosis, and coagulopathy (lethal triad).",
        "<b>Phase 3 – Definitive repair</b>: return to OR after 24–48 h when physiology restored.",
        "Priority sequence: haemorrhage → airway → contamination → fracture stabilisation → soft tissue.",
    ]
    for item in dcs_items:
        story.append(Paragraph(f"\u2022  {item}", S['Bullet']))

    # ════════════════════════════════════════════════════════════════
    # SECTION 8 – REFERRAL CRITERIA
    # ════════════════════════════════════════════════════════════════
    story.append(Spacer(1, 0.3*cm))
    story.append(section_header("8.  REFERRAL CRITERIA TO TERTIARY CENTRE", color=RED_BOX))
    story.append(Spacer(1, 0.25*cm))

    story.append(Paragraph(
        "Transfer to a higher-level centre (tertiary/Level I) is indicated when the receiving hospital "
        "cannot provide the required care. During a disaster, casualty distribution aims to spread the "
        "load, but critically injured patients must be directed to capable centres.",
        S['Body']))

    story.append(Spacer(1, 0.15*cm))
    ref_rows = [
        ["Category", "Specific Criteria for Referral"],
        ["Haemodynamic", "Persistent haemorrhagic shock not responding to 2L crystalloid / blood transfusion\nSuspected major vascular injury requiring vascular surgery"],
        ["Neurological", "Severe TBI (GCS ≤8), epidural/subdural haematoma, depressed skull fracture\nSpinal cord injury or suspected cervical spine instability"],
        ["Thoracic", "Tension pneumothorax (post-needle decompression), massive haemothorax\nSuspected aortic injury, tracheobronchial tear, cardiac tamponade"],
        ["Abdominal", "Haemoperitoneum (FAST positive) with haemodynamic instability\nSuspected hollow viscus perforation, mesenteric vascular injury, pancreatic/duodenal injury"],
        ["Orthopaedic", "Pelvic ring disruption with haemodynamic instability\nLong bone fractures requiring intramedullary nailing or complex fixation\nMajor limb replantation"],
        ["Burns", "Burns >20% TBSA; full-thickness burns >5% TBSA; burns involving face, hands, genitalia, perineum, major joints\nInhalation injury, circumferential burns, burns with concomitant trauma, paediatric burns"],
        ["CBRN / Special", "Suspected biological agent (smallpox, anthrax) requiring isolation and specialist management\nOrganophosphate / nerve agent poisoning requiring ICU monitoring and antidotes\nSignificant radiation exposure"],
        ["Paediatric", "Any critically injured child requiring paediatric surgical or paediatric ICU capability"],
        ["Resource", "Any patient whose needs exceed the current hospital's resources or specialist capabilities"],
    ]
    rt = Table(
        [[Paragraph(c, S['TableHdr'] if i==0 else S['TableCell']) for c in row]
         for i, row in enumerate(ref_rows)],
        colWidths=[4.5*cm, 12.5*cm], repeatRows=1
    )
    rt.setStyle(TableStyle([
        ('BACKGROUND',(0,0),(-1,0), RED_BOX),
        ('ROWBACKGROUNDS',(0,1),(-1,-1),[white, RED_BG]),
        ('GRID',(0,0),(-1,-1),0.4,HexColor("#BBBBBB")),
        ('TOPPADDING',(0,0),(-1,-1),4),('BOTTOMPADDING',(0,0),(-1,-1),4),
        ('LEFTPADDING',(0,0),(-1,-1),5),('RIGHTPADDING',(0,0),(-1,-1),5),
        ('VALIGN',(0,0),(-1,-1),'TOP'),
    ]))
    story.append(rt)

    story.append(Spacer(1, 0.25*cm))
    story.append(color_box(
        "Key Points for Transfer",
        [
            "Stabilise before transfer: secure airway (intubate if needed), IV access, haemorrhage control, spinal precautions.",
            "Send relevant documentation: triage tag, administered medications, blood transfusion record.",
            "Communicate to receiving centre: mechanism, injuries, vital signs, interventions performed.",
            "Accompany with qualified staff (at minimum: trained nurse/paramedic with emergency experience).",
            "If no capacity at nearest tertiary centre: distribute to next available centre — maintain regional awareness.",
        ],
        bg=AMBER_BG, border=AMBER, title_color=AMBER
    ))

    # ════════════════════════════════════════════════════════════════
    # SECTION 9 – SHORT ANSWER QUESTION ON TRIAGE (10 MARKS)
    # ════════════════════════════════════════════════════════════════
    story.append(PageBreak())

    # Exam header box
    exam_hdr = Table([[
        Paragraph("EXAMINATION QUESTION", ParagraphStyle('eh',
            fontName='Helvetica-Bold', fontSize=13, textColor=white,
            alignment=TA_CENTER)),
    ]], colWidths=[W])
    exam_hdr.setStyle(TableStyle([
        ('BACKGROUND',(0,0),(-1,-1), NAVY),
        ('TOPPADDING',(0,0),(-1,-1),10),('BOTTOMPADDING',(0,0),(-1,-1),10),
    ]))
    story.append(exam_hdr)

    q_box = Table([[
        Paragraph(
            'Q. <b>Write a short note on Triage in Disaster Management.</b>',
            ParagraphStyle('qb', fontName='Helvetica-Bold', fontSize=11,
                           textColor=NAVY, alignment=TA_LEFT)),
        Paragraph('[10 Marks]',
            ParagraphStyle('marks', fontName='Helvetica-Bold', fontSize=11,
                           textColor=RED_BOX, alignment=TA_RIGHT)),
    ]], colWidths=[13*cm, 4*cm])
    q_box.setStyle(TableStyle([
        ('BACKGROUND',(0,0),(-1,-1), LIGHT_BG),
        ('BOX',(0,0),(-1,-1),1,NAVY),
        ('TOPPADDING',(0,0),(-1,-1),8),('BOTTOMPADDING',(0,0),(-1,-1),8),
        ('LEFTPADDING',(0,0),(-1,-1),10),('RIGHTPADDING',(0,0),(-1,-1),10),
        ('VALIGN',(0,0),(-1,-1),'MIDDLE'),
    ]))
    story.append(q_box)
    story.append(Spacer(1, 0.3*cm))

    # Model Answer
    story.append(Paragraph("MODEL ANSWER", ParagraphStyle('ma',
        fontName='Helvetica-Bold', fontSize=12, textColor=TEAL, spaceBefore=2, spaceAfter=4)))
    story.append(HRFlowable(width=W, thickness=1.5, color=TEAL, spaceAfter=6))

    # 1 Definition
    story.append(Paragraph("1.  Definition  (1 mark)", S['H3']))
    story.append(Paragraph(
        "Triage (from French trier = 'to sort') is the process of sorting patients based on their need "
        "for immediate medical care and the likelihood of benefit from that care, especially when "
        "resources are limited. In disaster medicine, the overarching goal is to <b>do the most good "
        "for the most number of patients</b> — not necessarily saving every individual life.",
        S['Body']))

    # 2 Purpose
    story.append(Paragraph("2.  Purpose of Triage in Disaster  (1 mark)", S['H3']))
    p_items = [
        "Rapid assessment of all incoming casualties.",
        "Patient registration and identification.",
        "Assignment of priorities for management.",
        "Distribution of patients to appropriate treatment areas.",
    ]
    for item in p_items:
        story.append(Paragraph(f"\u2022  {item}", S['Bullet']))

    # 3 Levels
    story.append(Paragraph("3.  Levels of Triage  (1 mark)", S['H3']))
    l_items = [
        "<b>Field triage:</b> At the scene — by first responders using START or SALT.",
        "<b>In-hospital (ED) triage:</b> At the hospital entrance — re-done even if field triage was performed.",
        "<b>Intra-hospital:</b> At each level of care (resuscitation area, surgical triage, ICU).",
    ]
    for item in l_items:
        story.append(Paragraph(f"\u2022  {item}", S['Bullet']))

    # 4 Triage Categories
    story.append(Paragraph("4.  Triage Categories  (2 marks)", S['H3']))
    story.append(triage_color_table())

    # 5 START
    story.append(Spacer(1, 0.2*cm))
    story.append(Paragraph("5.  START Algorithm  (2 marks)", S['H3']))
    story.append(Paragraph(
        "The <b>Simple Triage and Rapid Treatment (START)</b> system is the most widely used field "
        "triage tool. It assesses four parameters in &lt;30 seconds per patient:",
        S['Body']))
    start_items = [
        "<b>Respirations</b>: absent → open airway → still absent → Black; >30/min → Red.",
        "<b>Perfusion</b>: no radial pulse or cap refill >2 sec → Red.",
        "<b>Mental Status</b>: cannot obey commands → Red; can obey → Yellow.",
        "<b>Walking</b>: ambulatory → Green (assessed last).",
    ]
    for item in start_items:
        story.append(Paragraph(f"\u2022  {item}", S['Bullet']))

    # 6 SALT
    story.append(Paragraph("6.  SALT Algorithm  (1 mark)", S['H3']))
    story.append(Paragraph(
        "SALT (Sort–Assess–Lifesaving interventions–Treat/Transport) has evidence of best sensitivity "
        "and specificity for mass casualty triage. It begins with a global sort into three tiers "
        "(walk, wave/purposeful movement, still/obvious life-threat), followed by individual assessment "
        "with brief lifesaving interventions (haemorrhage control, airway opening), then categorisation "
        "as Immediate, Delayed, Minimal, or Expectant (DIME).",
        S['Body']))

    # 7 Triage Tag
    story.append(Paragraph("7.  Triage Tag System  (0.5 marks)", S['H3']))
    story.append(Paragraph(
        "Each patient receives a colour-coded band or disaster tag documenting triage status. "
        "Tags allow rapid identification at a glance and prevent repeated triage of the same patient. "
        "They should include: patient identity (if known), mechanism of injury, vital signs, "
        "interventions performed, and triage category assigned.",
        S['Body']))

    # 8 Triage Team
    story.append(Paragraph("8.  Triage Team  (0.5 marks)", S['H3']))
    story.append(Paragraph(
        "The ED triage team consists of an <b>emergency physician, an ED nurse, and a medical records "
        "or admitting clerk</b>. Multiple teams operate in extraordinary situations. A single designated "
        "<b>Triage Officer</b> oversees consistency and quality of the triage process.",
        S['Body']))

    # 9 Dynamic nature
    story.append(Paragraph("9.  Dynamic and Continuous Nature of Triage  (0.5 marks)", S['H3']))
    story.append(Paragraph(
        "Triage is not a one-time event. Patient status changes — the GREEN patient may deteriorate to "
        "RED. <b>Continuous re-triage</b> at each level of care (field → ED → surgical holding → OR → "
        "ICU) is mandatory. Triage decisions must be revisited regularly, especially when delayed "
        "presentations are anticipated (blast injury, crush syndrome).",
        S['Body']))

    # 10 Ethical dimension
    story.append(Paragraph("10.  Ethical Considerations  (0.5 marks)", S['H3']))
    story.append(Paragraph(
        "Disaster triage requires a shift from the individual patient ethics of routine medicine to a "
        "<b>utilitarian, population-based ethic</b>. Catastrophically injured patients with minimal "
        "survival chance despite optimal care are categorised Expectant (Black). The duty of care toward "
        "Expectant patients is comfort and dignity — adequate analgesia and the opportunity to be with "
        "family — rather than aggressive life-saving intervention that would consume resources needed by "
        "salvageable patients.",
        S['Body']))

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

    # Mark scheme summary table
    story.append(Paragraph("Mark Allocation Summary", S['H2']))
    ms_rows = [
        ["Point", "Topic", "Marks"],
        ["1", "Definition of triage", "1"],
        ["2", "Purpose / functions of triage in disaster", "1"],
        ["3", "Levels of triage (field, ED, intra-hospital)", "1"],
        ["4", "Triage categories (Red/Yellow/Green/Black with descriptions)", "2"],
        ["5", "START algorithm (4 parameters)", "2"],
        ["6", "SALT algorithm overview", "1"],
        ["7", "Triage tag system", "0.5"],
        ["8", "Triage team composition", "0.5"],
        ["9", "Dynamic / continuous re-triage", "0.5"],
        ["10", "Ethical considerations (utilitarian shift, Expectant care)", "0.5"],
        ["", "TOTAL", "10"],
    ]
    ms = Table(
        [[Paragraph(c, S['TableHdr'] if i==0 else
                    (ParagraphStyle('tot', fontName='Helvetica-Bold', fontSize=9,
                                    textColor=NAVY) if i==len(ms_rows)-1 else S['TableCell']))
          for c in row]
         for i, row in enumerate(ms_rows)],
        colWidths=[1.2*cm, 12*cm, 1.8*cm], repeatRows=1
    )
    ms.setStyle(TableStyle([
        ('BACKGROUND',(0,0),(-1,0), NAVY),
        ('ROWBACKGROUNDS',(0,1),(-1,-2),[white, GREY]),
        ('BACKGROUND',(0,-1),(-1,-1), LIGHT_BG),
        ('GRID',(0,0),(-1,-1),0.4,HexColor("#BBBBBB")),
        ('TOPPADDING',(0,0),(-1,-1),4),('BOTTOMPADDING',(0,0),(-1,-1),4),
        ('LEFTPADDING',(0,0),(-1,-1),5),('RIGHTPADDING',(0,0),(-1,-1),5),
        ('ALIGN',(2,0),(-1,-1),'CENTER'),
    ]))
    story.append(ms)

    story.append(Spacer(1, 0.4*cm))
    story.append(HRFlowable(width=W, thickness=1, color=NAVY, spaceAfter=6))
    story.append(Paragraph(
        "Reference: Tintinalli JE et al. Tintinalli's Emergency Medicine: A Comprehensive Study Guide, "
        "9th Edition. McGraw-Hill Education. Chapters 5 (Disaster Preparedness) and 302 (Mass Casualty Triage).",
        ParagraphStyle('footer_ref', fontName='Helvetica-Oblique', fontSize=8,
                       textColor=HexColor("#555555"), alignment=TA_CENTER)
    ))

    # ── BUILD ────────────────────────────────────────────────────────────────
    doc.build(story, canvasmaker=HeaderFooterCanvas)
    print(f"PDF saved to {OUTPUT}")

build_pdf()

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Successfully replaced 1 instance(s) of the string in '/tmp/workspace/disaster-management/generate_pdf.py'