from reportlab.lib.pagesizes import A4
from reportlab.lib import colors
from reportlab.lib.units import cm
from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle
from reportlab.platypus import (
    SimpleDocTemplate, Paragraph, Spacer, Table, TableStyle,
    HRFlowable, PageBreak, KeepTogether
)
from reportlab.lib.enums import TA_LEFT, TA_CENTER, TA_JUSTIFY
from reportlab.platypus import ListFlowable, ListItem

# ── Colour palette ──────────────────────────────────────────────────────────
DARK_BLUE   = colors.HexColor("#1a3c5e")
MED_BLUE    = colors.HexColor("#2563a8")
ACCENT_RED  = colors.HexColor("#c0392b")
ACCENT_TEAL = colors.HexColor("#0d7377")
YELLOW_HL   = colors.HexColor("#fff9c4")
LIGHT_BLUE  = colors.HexColor("#e8f0fb")
LIGHT_GRAY  = colors.HexColor("#f4f4f4")
TABLE_HEAD  = colors.HexColor("#1a3c5e")
TABLE_ALT   = colors.HexColor("#dce8f5")
BOX_BORDER  = colors.HexColor("#2563a8")
WHITE       = colors.white
BLACK       = colors.black

PAGE_W, PAGE_H = A4
MARGIN = 1.8 * cm

# ── Document ─────────────────────────────────────────────────────────────────
doc = SimpleDocTemplate(
    "/home/daytona/workspace/gynae-notes/Gynae_Exam_Notes.pdf",
    pagesize=A4,
    leftMargin=MARGIN, rightMargin=MARGIN,
    topMargin=2 * cm, bottomMargin=2 * cm,
    title="Gynecology Exam Notes – Female Pelvic Organs",
    author="Exam Notes"
)

styles = getSampleStyleSheet()

# ── Custom Styles ─────────────────────────────────────────────────────────────
def S(name, **kw):
    return ParagraphStyle(name, **kw)

st_cover_title = S("CoverTitle", fontName="Helvetica-Bold", fontSize=26,
                   textColor=WHITE, alignment=TA_CENTER, leading=32)
st_cover_sub   = S("CoverSub", fontName="Helvetica", fontSize=13,
                   textColor=colors.HexColor("#cce4ff"), alignment=TA_CENTER, leading=18)
st_cover_src   = S("CoverSrc", fontName="Helvetica-Oblique", fontSize=10,
                   textColor=colors.HexColor("#99ccff"), alignment=TA_CENTER, leading=14)

st_part        = S("Part", fontName="Helvetica-Bold", fontSize=16,
                   textColor=WHITE, alignment=TA_CENTER, leading=20,
                   backColor=DARK_BLUE, borderPadding=(6,10,6,10))
st_h1          = S("H1", fontName="Helvetica-Bold", fontSize=13,
                   textColor=WHITE, backColor=MED_BLUE,
                   leftIndent=0, leading=18, borderPadding=(4,8,4,8))
st_h2          = S("H2", fontName="Helvetica-Bold", fontSize=11,
                   textColor=DARK_BLUE, leading=15, spaceBefore=8)
st_h3          = S("H3", fontName="Helvetica-Bold", fontSize=10,
                   textColor=ACCENT_TEAL, leading=14, spaceBefore=5)
st_body        = S("Body", fontName="Helvetica", fontSize=9.5,
                   leading=14, alignment=TA_JUSTIFY)
st_bullet      = S("Bullet", fontName="Helvetica", fontSize=9.5,
                   leading=13, leftIndent=16, bulletIndent=6)
st_highlight   = S("Highlight", fontName="Helvetica-Bold", fontSize=9.5,
                   textColor=ACCENT_RED, leading=13, backColor=YELLOW_HL,
                   borderPadding=(3,6,3,6))
st_note        = S("Note", fontName="Helvetica-Oblique", fontSize=9,
                   textColor=colors.HexColor("#555555"), leading=13,
                   backColor=LIGHT_GRAY, borderPadding=(3,6,3,6))
st_qa_q        = S("QAQ", fontName="Helvetica-Bold", fontSize=9.5,
                   textColor=DARK_BLUE, leading=13)
st_qa_a        = S("QAA", fontName="Helvetica", fontSize=9.5,
                   textColor=colors.HexColor("#1a4a1a"), leading=13, leftIndent=12)

def h1(text): return Paragraph(text, st_h1)
def h2(text): return Paragraph(text, st_h2)
def h3(text): return Paragraph(text, st_h3)
def body(text): return Paragraph(text, st_body)
def hl(text):  return Paragraph(f"⚡ {text}", st_highlight)
def note(text): return Paragraph(f"📝 {text}", st_note)
def sp(n=6):  return Spacer(1, n)
def hr():     return HRFlowable(width="100%", thickness=0.5, color=colors.HexColor("#bbbbbb"), spaceAfter=4, spaceBefore=4)

def bullets(items, indent=16):
    return ListFlowable(
        [ListItem(Paragraph(i, st_bullet), leftIndent=indent, bulletColor=MED_BLUE) for i in items],
        bulletType='bullet', bulletFontSize=8, leftIndent=indent
    )

def make_table(headers, rows, col_widths=None):
    data = [headers] + rows
    if col_widths is None:
        avail = PAGE_W - 2*MARGIN
        col_widths = [avail / len(headers)] * len(headers)
    t = Table(data, colWidths=col_widths, repeatRows=1)
    style = TableStyle([
        ('BACKGROUND', (0,0), (-1,0), TABLE_HEAD),
        ('TEXTCOLOR',  (0,0), (-1,0), WHITE),
        ('FONTNAME',   (0,0), (-1,0), 'Helvetica-Bold'),
        ('FONTSIZE',   (0,0), (-1,0), 9),
        ('ALIGN',      (0,0), (-1,0), 'CENTER'),
        ('FONTNAME',   (0,1), (-1,-1), 'Helvetica'),
        ('FONTSIZE',   (0,1), (-1,-1), 8.5),
        ('ROWBACKGROUNDS', (0,1), (-1,-1), [WHITE, TABLE_ALT]),
        ('GRID',       (0,0), (-1,-1), 0.4, colors.HexColor("#aaaaaa")),
        ('VALIGN',     (0,0), (-1,-1), 'MIDDLE'),
        ('TOPPADDING', (0,0), (-1,-1), 4),
        ('BOTTOMPADDING', (0,0), (-1,-1), 4),
        ('LEFTPADDING', (0,0), (-1,-1), 6),
    ])
    t.setStyle(style)
    return t

def box(flowables, bg=LIGHT_BLUE, border=BOX_BORDER):
    inner = Table([[f] for f in flowables],
                  colWidths=[PAGE_W - 2*MARGIN - 12])
    inner.setStyle(TableStyle([
        ('BACKGROUND', (0,0), (-1,-1), bg),
        ('BOX',        (0,0), (-1,-1), 1, border),
        ('TOPPADDING', (0,0), (-1,-1), 5),
        ('BOTTOMPADDING', (0,0), (-1,-1), 5),
        ('LEFTPADDING', (0,0), (-1,-1), 8),
    ]))
    return inner

# ═══════════════════════════════════════════════════════════════════════════
# COVER PAGE
# ═══════════════════════════════════════════════════════════════════════════
story = []

# Cover background via a full-width table
cover_data = [[Paragraph("GYNECOLOGY", st_cover_title)],
              [Paragraph("EXAM-ORIENTED NOTES", st_cover_title)],
              [Spacer(1, 10)],
              [Paragraph("Anatomy of Female Pelvic Organs", st_cover_sub)],
              [Spacer(1, 6)],
              [Paragraph("The Uterus · Fallopian Tube · Ovary · Female Urethra · Urinary Bladder", st_cover_src)],
              [Spacer(1, 6)],
              [Paragraph("+ Support of the Uterus — Separate Exam Notes", st_cover_src)],
              [Spacer(1, 20)],
              [Paragraph("Source: Textbook of Gynecology, Chapter 1", st_cover_src)],
             ]
cover_table = Table(cover_data, colWidths=[PAGE_W - 2*MARGIN])
cover_table.setStyle(TableStyle([
    ('BACKGROUND', (0,0), (-1,-1), DARK_BLUE),
    ('TOPPADDING',    (0,0), (-1,-1), 8),
    ('BOTTOMPADDING', (0,0), (-1,-1), 8),
    ('LEFTPADDING',   (0,0), (-1,-1), 20),
    ('RIGHTPADDING',  (0,0), (-1,-1), 20),
]))
story.append(cover_table)
story.append(PageBreak())

# ═══════════════════════════════════════════════════════════════════════════
# PART 1 HEADER
# ═══════════════════════════════════════════════════════════════════════════
story.append(Paragraph("PART 1 — ANATOMY OF FEMALE PELVIC ORGANS", st_part))
story.append(sp(10))

# ═══════════════════════════════════════════════════════════════════════════
# SECTION 1: THE UTERUS
# ═══════════════════════════════════════════════════════════════════════════
story.append(h1("THE UTERUS"))
story.append(sp(4))
story.append(body("Hollow, <b>pyriform (pear-shaped) muscular organ</b> situated in the pelvis between the bladder (front) and rectum (behind)."))
story.append(sp(6))

# Position
story.append(h2("Position"))
story.append(bullets([
    "<b>Normal position:</b> Anteverted + Anteflexed",
    "Usually inclined to the <b>right (dextrorotation)</b>",
    "Cervix directed to the <b>LEFT (levorotation)</b>",
    "In close relation with the <b>left ureter</b>",
]))
story.append(sp(6))

# Measurements
story.append(h2("Measurements and Parts"))
story.append(make_table(
    ["Parameter", "Value"],
    [["Length", "~8 cm"], ["Width (at fundus)", "~5 cm"], ["Wall thickness", "~1.25 cm"], ["Weight", "50–80 g"]],
    col_widths=[8*cm, 8.6*cm]
))
story.append(sp(8))
story.append(h3("Three Parts:"))
story.append(bullets([
    "<b>Body/Corpus</b> — triangular; lies between openings of uterine tubes; cornua at superolateral angles",
    "<b>Isthmus</b> — constricted, <b>0.5 cm</b>; between anatomical internal os (above) and histological internal os of Aschoff (below)",
    "<b>Cervix</b> — <b>2.5 cm</b>; extends from histological internal os to external os; divided into supravaginal (1.25 cm) + portio vaginalis (1.25 cm)",
]))
story.append(sp(4))
story.append(hl("Nulliparous cervix = conical; Parous cervix = cylindrical with bilateral slits (anterior + posterior lips)"))
story.append(sp(8))

# Cavity
story.append(h2("Cavity"))
story.append(make_table(
    ["Cavity", "Shape", "Size"],
    [["Uterine body", "Triangular (coronal section)", "~3.5 cm"],
     ["Cervical canal", "Fusiform", "~2.5 cm"],
     ["Total uterine cavity length", "—", "6–7 cm"]],
    col_widths=[5.5*cm, 6*cm, 5.1*cm]
))
story.append(sp(8))

# Relations
story.append(h2("Relations of the Uterus"))
story.append(make_table(
    ["Direction", "Relation"],
    [["Anteriorly (above internal os)", "Posterior wall of uterovesical pouch"],
     ["Anteriorly (below internal os)", "Separated from bladder by loose areolar tissue"],
     ["Posteriorly", "Peritoneum → Pouch of Douglas (coils of intestine)"],
     ["Laterally", "Broad ligament; uterine artery; Mackenrodt's ligament (from internal os to supravaginal cervix)"]],
    col_widths=[6*cm, 10.6*cm]
))
story.append(sp(6))
story.append(hl("Uterine artery crosses the ureter ANTERIORLY ~1.5 cm lateral to the level of internal os — 'Water under the bridge'"))
story.append(sp(8))

# Wall layers
story.append(h2("Wall of the Body — 3 Layers (Outside → Inside)"))
story.append(sp(4))

story.append(h3("1. Perimetrium (Serous)"))
story.append(body("Serous coat; invests entire organ except on lateral borders; intimately adherent to underlying muscles."))
story.append(sp(4))

story.append(h3("2. Myometrium (Muscular)"))
story.append(body("Thick bundles of smooth muscle held by connective tissue. During pregnancy, 3 distinct layers:"))
story.append(bullets([
    "<b>Outer longitudinal</b>",
    "<b>Middle interlacing (oblique)</b> — most important; obliterates blood vessels post-delivery (living ligatures)",
    "<b>Inner circular</b>",
]))
story.append(sp(4))

story.append(h3("3. Endometrium (Mucous Membrane)"))
story.append(bullets([
    "No submucous layer — directly apposed to muscle coat",
    "Surface epithelium: single layer of <b>ciliated columnar epithelium</b>",
    "Lamina propria: stromal cells, endometrial glands, vessels, nerves",
    "Glands: simple tubular, lined by mucus-secreting non-ciliated columnar epithelium",
    "All components change during menstrual cycle",
    "Changed to <b>decidua</b> during pregnancy",
]))
story.append(sp(8))

# Cervix structure
story.append(h2("Cervix — Structure"))
story.append(bullets([
    "Mainly <b>fibrous connective tissue</b>; smooth muscle only <b>10–15%</b>",
    "Posterior surface has peritoneal coat",
]))
story.append(sp(4))

story.append(h3("Epithelial Lining"))
story.append(bullets([
    "<b>Endocervical canal:</b> 'Arbor vitae uteri' folds; lined by tall columnar epithelium (ciliated on top, basal/reserve cells below); reserve cells can undergo squamous metaplasia",
    "<b>Portio vaginalis:</b> Stratified squamous epithelium; extends to external os",
]))
story.append(sp(6))

story.append(box([
    Paragraph("<b>Transformation Zone (T-Zone) — HIGH YIELD</b>", S("TZHead", fontName="Helvetica-Bold", fontSize=10, textColor=ACCENT_RED, leading=14)),
    Paragraph("• 1–10 mm wide; variable histological features", st_bullet),
    Paragraph("• Endocervical stroma + glands covered by squamous epithelium", st_bullet),
    Paragraph("• Zone is NOT static — changes with estrogen levels", st_bullet),
    Paragraph("• Constantly irritated by hormones, infection, trauma", st_bullet),
    Paragraph("⚠ <b>More chance of severe dysplasia, carcinoma in situ, or invasive carcinoma at this zone</b>", st_highlight),
], bg=colors.HexColor("#fff3f3"), border=ACCENT_RED))
story.append(sp(6))

story.append(h3("Cervical Secretion"))
story.append(bullets([
    "Mucus: alkaline, <b>pH 7.8</b>; contains fructose (nutrition for sperm), glycoprotein, mucopolysaccharides, NaCl",
    "<b>Estrogen:</b> glycoprotein arranged parallel → facilitates sperm ascent",
    "<b>Progesterone:</b> interlacing bridges → prevents sperm penetration",
    "<b>Mucus plug</b> — functionally closes cervical canal; bacteriolytic property",
]))
story.append(sp(8))

# Blood supply
story.append(h2("Blood Supply"))
story.append(h3("Arterial Supply"))
story.append(bullets([
    "<b>Uterine artery</b> (main) — arises from anterior division of internal iliac OR common with superior vesical artery; one on each side",
    "Other sources: ovarian + vaginal arteries (anastomose with uterine)",
    "Ascending branch runs in lateral border of uterus between leaves of broad ligament",
]))
story.append(h3("Venous Drainage"))
story.append(bullets([
    "Corresponds to arterial course → drains into <b>internal iliac veins</b>",
]))
story.append(sp(8))

# Nerve supply
story.append(h2("Nerve Supply"))
story.append(make_table(
    ["Type", "Segments", "Function"],
    [["Sympathetic", "T₅ and T₁₀ (motor); T₁₀–L₁ (sensory)", "Motor + sensory to body"],
     ["Parasympathetic", "Pelvic nerve S₂, S₃, S₄", "Motor + sensory; ends in ganglia of Frankenhauser"],
     ["Somatic pain distribution", "T₁₀ to L₁", "Referred pain area in abdomen"]],
    col_widths=[4.5*cm, 7.5*cm, 4.6*cm]
))
story.append(sp(4))
story.append(note("Cervix is insensitive to touch, heat, and incision — sparse somatic sensory supply. This is why cervical procedures can be done without anaesthesia."))
story.append(sp(8))

# Age changes
story.append(h2("Changes of Uterus with Age"))
story.append(make_table(
    ["Age/Stage", "Cervix : Body Ratio", "Notes"],
    [["Birth", "Cervix >> Body", "Uterus lies in false pelvis"],
     ["Childhood", "2 : 1", "Proportion maintained"],
     ["Puberty", "1 : 2", "Body grows under estrogen"],
     ["After childbirth", "1 : 3", "Further body enlargement"],
     ["Menopause", "Atrophy", "Thinner walls, less muscular, more fibrous"]],
    col_widths=[4.5*cm, 4.5*cm, 7.6*cm]
))
story.append(sp(6))
story.append(h3("Position Angles"))
story.append(bullets([
    "<b>Anteversion angle:</b> Long axis of cervix to long axis of vagina = <b>~90°</b>",
    "<b>Anteflexion angle:</b> Long axis of body to long axis of cervix = <b>~120°</b>",
    "15–20% of women: retroverted uterus (normal variant)",
    "In erect posture: internal os at level of symphysis pubis upper border; external os at level of ischial spines",
]))
story.append(sp(10))

# ═══════════════════════════════════════════════════════════════════════════
# SECTION 2: FALLOPIAN TUBE
# ═══════════════════════════════════════════════════════════════════════════
story.append(h1("FALLOPIAN TUBE (SYN: UTERINE TUBE)"))
story.append(sp(4))
story.append(bullets([
    "Paired muscular structures; <b>~10 cm (4\") long</b>",
    "Situated in medial ¾ of upper free margin of broad ligament",
    "Two openings: uterine end (1 mm diameter) and abdominal ostium (2 mm diameter)",
]))
story.append(sp(6))

story.append(h2("Parts — Medial to Lateral (4 Parts)"))
story.append(make_table(
    ["Part", "Length", "Diameter", "Features"],
    [["Intramural / Interstitial", "1.25 cm (½\")", "1 mm", "Lies within uterine wall"],
     ["Isthmus", "2.5 cm (1\")", "2.5 mm", "Almost straight"],
     ["Ampulla", "5 cm (2\")", "Up to 6 mm", "Tortuous; site of fertilization"],
     ["Infundibulum", "1.25 cm (½\")", "Up to 6 mm", "Ends in fimbriae; ovarian fimbria is longest"]],
    col_widths=[4.5*cm, 3*cm, 2.8*cm, 6.3*cm]
))
story.append(sp(6))

story.append(h2("Structure — 3 Layers"))
story.append(bullets([
    "<b>Serous:</b> peritoneum on all sides except mesosalpinx attachment",
    "<b>Muscular:</b> outer longitudinal + inner circular",
    "<b>Mucous membrane:</b> longitudinal folds; partly ciliated + secretory ('Peg cells'); <b>no submucous layer; no glands; NO shedding</b> during menstrual cycle",
]))
story.append(sp(6))

story.append(h2("Functions"))
story.append(bullets([
    "Transport of gametes",
    "Facilitate fertilization (mainly in ampulla)",
    "Survival of zygote through secretion",
]))
story.append(sp(6))

story.append(h2("Blood Supply & Nerve Supply"))
story.append(bullets([
    "<b>Arterial:</b> uterine + ovarian arteries",
    "<b>Venous:</b> pampiniform plexus → ovarian veins",
    "<b>Nerve supply:</b> very sensitive to handling (from uterine and ovarian nerves)",
]))
story.append(sp(10))

# ═══════════════════════════════════════════════════════════════════════════
# SECTION 3: OVARY
# ═══════════════════════════════════════════════════════════════════════════
story.append(h1("THE OVARY"))
story.append(sp(4))
story.append(bullets([
    "Paired sex glands / gonads",
    "Functions: (i) Germ cell maturation, storage + release; (ii) Steroidogenesis",
    "Size: <b>3 cm × 2 cm × 1 cm</b>; oval; pinkish gray; scarred surface in reproductive period",
    "<b>Intraperitoneal</b> structure (lies in ovarian fossa on lateral pelvic wall in nulliparae)",
]))
story.append(sp(6))

story.append(h2("Relations"))
story.append(make_table(
    ["Border/Surface", "Relation"],
    [["Mesovarium (anterior border)", "Fold from posterior leaf of broad ligament; vessels + nerves enter hilum"],
     ["Posterior border", "Free; related to tubal ampulla; separated from ureter and internal iliac artery by peritoneum"],
     ["Medial surface", "Fimbrial part of fallopian tube"],
     ["Lateral surface", "Ovarian fossa on lateral pelvic wall"]],
    col_widths=[5.5*cm, 11.1*cm]
))
story.append(sp(4))
story.append(note("Ovarian fossa: Superior = external iliac vein; Posterior = ureter + internal iliac vessels; Lateral = peritoneum over obturator vessels and nerves"))
story.append(sp(6))

story.append(h2("Structure"))
story.append(h3("Germinal Epithelium"))
story.append(body("Single layer of cuboid cells — <b>misnomer</b>: germ cells are NOT derived from this layer."))
story.append(sp(4))
story.append(h3("Cortex"))
story.append(bullets([
    "Stromal cells thickened beneath germinal epithelium → <b>tunica albuginea</b>",
    "Studded with follicular structures: primordial follicles → maturing follicles → Graafian follicles → corpus luteum",
    "Atresia → atretic follicles / corpus albicans",
    "Related to sex hormone production and ovulation",
]))
story.append(sp(4))
story.append(h3("Medulla"))
story.append(bullets([
    "Loose connective tissue, few unstriped muscles, blood vessels, nerves",
    "<b>Hilus cells</b> — homologous to interstitial cells of testes",
]))
story.append(sp(6))

story.append(h2("Blood Supply & Nerve Supply"))
story.append(bullets([
    "<b>Arterial:</b> ovarian artery — branch of abdominal aorta",
    "<b>Venous:</b> pampiniform plexus → Right ovarian vein → IVC; Left ovarian vein → Left renal vein",
    "Placental site blood → ovarian veins → <b>thrombophlebitis in puerperium</b>",
    "<b>Nerve:</b> sympathetic from T₁₀ (along ovarian artery); sensitive to manual squeezing",
]))
story.append(sp(10))

# ═══════════════════════════════════════════════════════════════════════════
# SECTION 4: FEMALE URETHRA
# ═══════════════════════════════════════════════════════════════════════════
story.append(h1("FEMALE URETHRA"))
story.append(sp(4))
story.append(bullets([
    "Length: <b>~4 cm</b>; Diameter: <b>~6 mm</b>",
    "Extends from bladder neck to external urethral meatus",
    "Runs downward + forward close to anterior vaginal wall",
    "~1 cm from lower end: pierces triangular ligament",
    "Opens into vestibule <b>~2.5 cm below clitoris</b>",
    "<b>Posterior urethrovesical (PUV) angle = 100°</b> (bladder base to posterior urethral wall)",
]))
story.append(sp(6))

story.append(h2("Relations"))
story.append(make_table(
    ["Direction", "Relation"],
    [["Posteriorly", "Anterior vaginal wall (loosely separated upper 2/3; firmly adherent lower 1/3)"],
     ["Anteriorly", "Posterior symphysis pubis (upper 2/3 by loose areolar tissue; lower 1/3 by pubourethral ligament)"],
     ["Laterally", "Compressor urethra in triangular ligament; possible puborectalis attachment"]],
    col_widths=[3.5*cm, 13.1*cm]
))
story.append(sp(6))

story.append(h2("Glands & Sphincters"))
story.append(bullets([
    "<b>Paraurethral glands</b> open through ducts",
    "<b>Skene's glands (ducts)</b> — two longer glands opening on posterior wall just inside external meatus or vestibule; <b>homologous to the prostate in the male</b>",
    "<b>Involuntary internal sphincter (lissosphincter)</b> at urethrovesical junction: intricate decussation of involuntary muscles → anterior + posterior slings; detrusor contraction → slings relax → funnel bladder neck → urine flows into urethra",
]))
story.append(sp(10))

# ═══════════════════════════════════════════════════════════════════════════
# SECTION 5: URINARY BLADDER
# ═══════════════════════════════════════════════════════════════════════════
story.append(h1("URINARY BLADDER"))
story.append(sp(4))
story.append(bullets([
    "Hollow muscular organ; considerable power of distension",
    "Capacity: <b>~450 mL (15 oz)</b>; can retain up to <b>3–4 litres</b>",
    "Ovoid when distended",
    "Parts: (1) apex, (2) superior surface, (3) base, (4) two inferolateral surfaces, (5) neck",
]))
story.append(PageBreak())

# ═══════════════════════════════════════════════════════════════════════════
# PART 2 HEADER
# ═══════════════════════════════════════════════════════════════════════════
story.append(Paragraph("PART 2 — SUPPORT OF THE UTERUS", st_part))
story.append(sp(8))
story.append(box([
    Paragraph(
        "The dedicated Support of Uterus chapter is not included in the source pages provided. "
        "All references to uterine supports explicitly mentioned in the source have been compiled below, "
        "supplemented with standard Gynecology textbook anatomy (Dutta's framework) for completeness.",
        S("NoteInBox", fontName="Helvetica-Oblique", fontSize=9, textColor=colors.HexColor("#444444"), leading=13)
    )
], bg=YELLOW_HL, border=colors.HexColor("#b8860b")))
story.append(sp(10))

# Intro
story.append(h1("SUPPORT OF THE UTERUS — OVERVIEW"))
story.append(sp(4))
story.append(body("The uterus is maintained in its normal anteverted-anteflexed position by:"))
story.append(bullets([
    "<b>Ligaments</b> (primary and accessory)",
    "<b>Pelvic floor muscles</b>",
    "<b>Pelvic fascia</b>",
]))
story.append(note("The pelvic floor provides the FOUNDATION; the ligaments maintain POSITION."))
story.append(sp(8))

# Primary ligaments
story.append(h1("I. PRIMARY (CARDINAL) SUPPORTS"))
story.append(sp(6))

story.append(h2("1. Transverse Cervical Ligament (Mackenrodt's / Cardinal Ligament)"))
story.append(box([
    Paragraph("⭐ MOST IMPORTANT SUPPORT OF THE UTERUS", S("Star", fontName="Helvetica-Bold", fontSize=10, textColor=ACCENT_RED, leading=14)),
    Paragraph("• Extends from internal os → supravaginal cervix + lateral vaginal wall → lateral pelvic wall", st_bullet),
    Paragraph("• Condensation of pelvic fascia at base of broad ligament", st_bullet),
    Paragraph("• Contains: uterine artery + veins, ureter, nerve fibres", st_bullet),
    Paragraph("• <b>From source:</b> 'Mackenrodt's ligament extends from the internal os down to the supravaginal cervix and lateral vaginal wall'", st_bullet),
    Paragraph("• Prevents lateral displacement and DESCENT of the uterus (main anti-prolapse ligament)", st_bullet),
], bg=LIGHT_BLUE, border=MED_BLUE))
story.append(sp(6))

story.append(h2("2. Uterosacral Ligament"))
story.append(bullets([
    "Passes <b>posteriorly</b> from cervix/upper vagina → sacrum (S₂, S₃)",
    "Keeps the cervix pulled posteriorly",
    "Maintains anteversion by pulling cervix back",
    "Palpable on rectal examination",
]))
story.append(sp(6))

story.append(h2("3. Pubocervical Ligament"))
story.append(bullets([
    "Passes <b>anteriorly</b> from cervix → pubic symphysis",
    "Anterior support of the uterus",
    "Continuous with pubovesical ligament",
]))
story.append(sp(6))

story.append(h2("4. Levator Ani (Pelvic Diaphragm)"))
story.append(bullets([
    "Forms the main <b>muscular support</b> (pelvic floor)",
    "Provides the platform on which the uterus rests",
    "Damage during childbirth = primary cause of uterine prolapse",
    "Components: pubococcygeus, iliococcygeus, ischiococcygeus",
]))
story.append(sp(10))

# Secondary ligaments
story.append(h1("II. ACCESSORY (SECONDARY) SUPPORTS"))
story.append(sp(6))

story.append(h2("5. Broad Ligament"))
story.append(bullets([
    "Double fold of peritoneum on each side of uterus",
    "Contents: fallopian tube, round ligament, ovarian ligament, uterine vessels, ureter, parametrium, ovary (mesovarium)",
    "Keeps uterus in <b>midline</b>",
    "<b>Does NOT prevent prolapse</b>",
]))
story.append(sp(6))

story.append(h2("6. Round Ligament"))
story.append(bullets([
    "Extends from uterine cornua → inguinal canal → labium majus",
    "Maintains <b>anteversion</b> only",
    "Becomes lax in retroverted uterus",
    "Made of smooth muscle + fibrous tissue",
    "<b>Does NOT prevent prolapse</b>",
]))
story.append(sp(6))

story.append(h2("7. Ovarian Ligament & Infundibulopelvic Ligament"))
story.append(bullets([
    "<b>Ovarian ligament:</b> medial pole of ovary → uterine cornua; maintains ovarian position relative to uterus",
    "<b>Infundibulopelvic (suspensory) ligament:</b> ovary → lateral pelvic wall; contains ovarian vessels + nerves",
]))
story.append(sp(8))

# Quick table
story.append(h1("III. QUICK REVISION TABLE — ALL LIGAMENTS"))
story.append(sp(4))
story.append(make_table(
    ["Ligament", "Attachment", "Function", "Prevents Prolapse?"],
    [["Mackenrodt's (Cardinal)", "Cervix+vagina → lateral pelvic wall", "Main support; prevents descent", "✓ YES — Primary"],
     ["Uterosacral", "Cervix → sacrum (S₂–S₃)", "Maintains anteversion; posterior support", "✓ YES — Primary"],
     ["Pubocervical", "Cervix → pubic symphysis", "Anterior support", "Partial"],
     ["Round ligament", "Cornua → inguinal canal → labium", "Maintains anteversion only", "✗ NO"],
     ["Broad ligament", "Lateral uterus → pelvic wall", "Midline positioning", "✗ NO"],
     ["Levator ani", "Pelvic diaphragm (bony pelvis)", "Muscular platform/floor", "✓ YES — Primary"]],
    col_widths=[4.2*cm, 4.8*cm, 4.8*cm, 2.8*cm]
))
story.append(sp(8))

# Uterine artery-ureter
story.append(h1("IV. UTERINE ARTERY & URETER — HIGH YIELD"))
story.append(sp(4))
story.append(box([
    Paragraph("<b>From source (verbatim concept):</b>", S("Src", fontName="Helvetica-Bold", fontSize=9.5, textColor=DARK_BLUE, leading=13)),
    Paragraph(
        "The uterine artery crosses the ureter <b>anteriorly about 1.5 cm away at the level of the internal os</b> "
        "before it ascends up along the lateral border of the uterus in between the leaves of broad ligament.",
        S("SrcBody", fontName="Helvetica", fontSize=9.5, leading=13)
    ),
    Spacer(1, 6),
    Paragraph("⚡ Mnemonic: <b>'WATER UNDER THE BRIDGE'</b> — ureter (water) passes under the uterine artery (bridge)", st_highlight),
    Spacer(1, 4),
    Paragraph("⚡ Clinical: Risk of ureteric injury when clamping uterine vessels during hysterectomy at the level of the internal os", st_highlight),
], bg=LIGHT_BLUE, border=MED_BLUE))
story.append(sp(8))

# Clinical Q&A
story.append(h1("V. CLINICAL Q&A FOR EXAMS / VIVA"))
story.append(sp(6))

qa_pairs = [
    ("Q: What is the most important ligament supporting the uterus?",
     "A: Transverse cervical / Mackenrodt's / Cardinal ligament"),
    ("Q: Which ligament maintains anteversion?",
     "A: Round ligament (and uterosacral ligament pulls cervix posteriorly)"),
    ("Q: What provides the main muscular support?",
     "A: Levator ani (pelvic diaphragm)"),
    ("Q: Which ligament damage in childbirth most commonly causes prolapse?",
     "A: Mackenrodt's ligament + levator ani injury"),
    ("Q: What maintains the cervix in its posterior position?",
     "A: Uterosacral ligament"),
    ("Q: Where does the uterine artery cross the ureter?",
     "A: Anteriorly, ~1.5 cm lateral to cervix at the level of internal os"),
    ("Q: What are the contents of the broad ligament?",
     "A: Fallopian tube (mesosalpinx), ovary (mesovarium), round ligament, ovarian ligament, uterine vessels, ureter, lymphatics, parametrial tissue"),
    ("Q: Why is the cervix insensitive to touch?",
     "A: Sparse somatic sensory nerve supply — mainly autonomic innervation"),
    ("Q: What is Mackenrodt's ligament synonymous with?",
     "A: Transverse cervical ligament / Cardinal ligament / Base of broad ligament"),
    ("Q: Which ligament does NOT prevent prolapse?",
     "A: Round ligament and broad ligament — only support anteversion and midline position respectively"),
]

for q, a in qa_pairs:
    story.append(KeepTogether([
        Paragraph(q, st_qa_q),
        Paragraph(a, st_qa_a),
        sp(4),
    ]))
story.append(sp(8))

# Age changes table
story.append(h1("VI. FACTORS AFFECTING UTERINE SUPPORT"))
story.append(sp(4))
story.append(make_table(
    ["Condition", "Effect on Support"],
    [["Childbirth injuries", "Damage to levator ani + ligaments → uterine prolapse"],
     ["Menopause", "Uterine atrophy; ligaments become lax; walls thinner and less muscular"],
     ["Estrogen deficiency", "Weaker pelvic floor; reduced collagen in ligaments"],
     ["Retroverted uterus (15–20%)", "Round ligament lax; uterosacral ligament less effective; may be normal variant"],
     ["Multiparity", "Repeated stretching → progressive ligament laxity"]],
    col_widths=[6*cm, 10.6*cm]
))
story.append(sp(8))

# Peritoneal supports
story.append(h1("VII. PERITONEAL SPACES IN RELATION TO UTERINE SUPPORT"))
story.append(sp(4))
story.append(make_table(
    ["Space/Structure", "Location", "Clinical Relevance"],
    [["Uterovesical pouch", "Between uterus and bladder (anteriorly)", "Bladder injury risk in anterior prolapse"],
     ["Pouch of Douglas (Rectouterine pouch)", "Between uterus and rectum (posteriorly)", "Site of fluid/blood collection; culdocentesis"],
     ["Broad ligament", "Lateral to uterus", "Contains supporting structures; haematoma site after hysterectomy"],
     ["Parametrium", "Connective tissue in base of broad ligament", "Contains Mackenrodt's ligament"]],
    col_widths=[4.5*cm, 5*cm, 7.1*cm]
))
story.append(sp(6))
story.append(note("Note: Peritoneal folds define anatomical spaces but do NOT provide significant structural support against uterine prolapse."))

# Build
doc.build(story)
print("PDF generated successfully!")