1-Month ENT PG Examination Study Schedule

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

# ─── Color Palette ───────────────────────────────────────────────────────────
DARK_BLUE    = HexColor('#1A3A5C')
MED_BLUE     = HexColor('#2E6DA4')
LIGHT_BLUE   = HexColor('#D6E8F7')
TEAL         = HexColor('#0E7490')
TEAL_LIGHT   = HexColor('#CCEFF6')
GREEN        = HexColor('#166534')
GREEN_LIGHT  = HexColor('#DCFCE7')
ORANGE       = HexColor('#C2410C')
ORANGE_LIGHT = HexColor('#FEF3C7')
PURPLE       = HexColor('#5B21B6')
PURPLE_LIGHT = HexColor('#EDE9FE')
RED          = HexColor('#991B1B')
RED_LIGHT    = HexColor('#FEE2E2')
GREY_LIGHT   = HexColor('#F1F5F9')
GREY_MED     = HexColor('#CBD5E1')
BLACK        = HexColor('#0F172A')
WHITE        = colors.white

# ─── Styles ──────────────────────────────────────────────────────────────────
styles = getSampleStyleSheet()

def make_style(name, parent='Normal', **kwargs):
    s = ParagraphStyle(name, parent=styles[parent], **kwargs)
    return s

COVER_TITLE  = make_style('CoverTitle',  fontSize=28, textColor=WHITE,    alignment=TA_CENTER, spaceAfter=6,  fontName='Helvetica-Bold', leading=34)
COVER_SUB    = make_style('CoverSub',    fontSize=14, textColor=LIGHT_BLUE, alignment=TA_CENTER, spaceAfter=4, fontName='Helvetica', leading=18)
COVER_INFO   = make_style('CoverInfo',   fontSize=11, textColor=GREY_LIGHT, alignment=TA_CENTER, spaceAfter=3, fontName='Helvetica', leading=14)

SEC_HEADER   = make_style('SecHeader',   fontSize=16, textColor=WHITE,    alignment=TA_LEFT,   spaceAfter=4,  spaceBefore=6, fontName='Helvetica-Bold', leading=20)
DAY_HEADER   = make_style('DayHeader',   fontSize=12, textColor=WHITE,    alignment=TA_LEFT,   spaceAfter=2,  spaceBefore=2, fontName='Helvetica-Bold', leading=16)
SESS_LABEL   = make_style('SessLabel',   fontSize=10, textColor=DARK_BLUE, alignment=TA_LEFT,  spaceAfter=1,  spaceBefore=2, fontName='Helvetica-Bold', leading=13)
BULLET       = make_style('Bullet',      fontSize=8.5, textColor=BLACK,   alignment=TA_LEFT,   spaceAfter=0,  spaceBefore=0, fontName='Helvetica',      leading=12, leftIndent=10)
BULLET_BOLD  = make_style('BulletBold',  fontSize=8.5, textColor=DARK_BLUE, alignment=TA_LEFT, spaceAfter=0, spaceBefore=0, fontName='Helvetica-Bold',  leading=12, leftIndent=10)
SMALL_ITALIC = make_style('SmallItalic', fontSize=8,  textColor=TEAL,    alignment=TA_LEFT,   spaceAfter=0,  spaceBefore=0, fontName='Helvetica-Oblique', leading=11)
FOOTER_STYLE = make_style('Footer',      fontSize=7.5, textColor=GREY_MED, alignment=TA_CENTER, fontName='Helvetica')
TABLE_HDR    = make_style('TblHdr',      fontSize=8.5, textColor=WHITE,   alignment=TA_CENTER, fontName='Helvetica-Bold', leading=11)
TABLE_CELL   = make_style('TblCell',     fontSize=8,   textColor=BLACK,   alignment=TA_LEFT,   fontName='Helvetica', leading=11)
TABLE_CELL_C = make_style('TblCellC',    fontSize=8,   textColor=BLACK,   alignment=TA_CENTER, fontName='Helvetica', leading=11)
NOTE_STYLE   = make_style('Note',        fontSize=8.5, textColor=ORANGE,  alignment=TA_LEFT,   fontName='Helvetica-Oblique', leading=12, leftIndent=6)

# ─── Helper: page background ─────────────────────────────────────────────────
def header_footer(canvas, doc):
    canvas.saveState()
    w, h = A4
    # thin top bar
    canvas.setFillColor(DARK_BLUE)
    canvas.rect(0, h - 0.55*cm, w, 0.55*cm, fill=1, stroke=0)
    # bottom bar
    canvas.setFillColor(DARK_BLUE)
    canvas.rect(0, 0, w, 0.55*cm, fill=1, stroke=0)
    # page number
    canvas.setFont('Helvetica', 7.5)
    canvas.setFillColor(WHITE)
    canvas.drawCentredString(w/2, 0.15*cm, f"ENT PG Exam Study Schedule  |  Scott-Brown's Otorhinolaryngology  |  Page {doc.page}")
    canvas.restoreState()

def cover_page(canvas, doc):
    canvas.saveState()
    w, h = A4
    # Deep gradient background
    canvas.setFillColor(DARK_BLUE)
    canvas.rect(0, 0, w, h, fill=1, stroke=0)
    # accent strip at top
    canvas.setFillColor(MED_BLUE)
    canvas.rect(0, h*0.78, w, h*0.22, fill=1, stroke=0)
    # decorative bottom strip
    canvas.setFillColor(TEAL)
    canvas.rect(0, 0, w, 1.8*cm, fill=1, stroke=0)
    canvas.restoreState()

# ─── Helper builders ─────────────────────────────────────────────────────────
def colored_bar(text, bg_color, text_color=WHITE, style=SEC_HEADER):
    data = [[Paragraph(text, ParagraphStyle('_tmp', parent=style, textColor=text_color))]]
    t = Table(data, colWidths=[17.5*cm])
    t.setStyle(TableStyle([
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        ('TOPPADDING', (0,0), (-1,-1), 5),
        ('BOTTOMPADDING', (0,0), (-1,-1), 5),
        ('ROUNDEDCORNERS', [4]),
    ]))
    return t

def session_box(label, emoji, bg, items, label_color=WHITE):
    """Build one session block (Morning/Afternoon/Evening)."""
    content = []
    # Session label row
    hdr_data = [[Paragraph(f"{emoji}  {label}", ParagraphStyle('_sh', parent=SESS_LABEL, textColor=label_color, fontName='Helvetica-Bold', fontSize=9))]]
    hdr = Table(hdr_data, colWidths=[17.5*cm])
    hdr.setStyle(TableStyle([
        ('BACKGROUND', (0,0), (-1,-1), bg),
        ('LEFTPADDING', (0,0), (-1,-1), 8),
        ('TOPPADDING', (0,0), (-1,-1), 3),
        ('BOTTOMPADDING', (0,0), (-1,-1), 3),
    ]))
    content.append(hdr)
    for item in items:
        content.append(Paragraph(f"• {item}", BULLET))
    content.append(Spacer(1, 4))
    return content

def make_table(headers, rows, col_widths, bg_color=MED_BLUE):
    hdr_row = [Paragraph(h, TABLE_HDR) for h in headers]
    data = [hdr_row]
    for row in rows:
        data.append([Paragraph(str(c), TABLE_CELL_C if i == 0 else TABLE_CELL) for i, c in enumerate(row)])
    t = Table(data, colWidths=col_widths, repeatRows=1)
    t.setStyle(TableStyle([
        ('BACKGROUND', (0,0), (-1,0), bg_color),
        ('ROWBACKGROUNDS', (0,1), (-1,-1), [WHITE, GREY_LIGHT]),
        ('GRID', (0,0), (-1,-1), 0.3, GREY_MED),
        ('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

# ─── Schedule Data ───────────────────────────────────────────────────────────

PHASE1_DAYS = [
    {
        "day": "DAY 1", "date": "Mon, 9 Jun 2026", "phase_color": MED_BLUE,
        "title": "EAR - Anatomy, Embryology & Physiology of Hearing",
        "morning": [
            "Embryology: branchial apparatus, 1st & 2nd arch derivatives, otic placode",
            "External ear, tympanic membrane anatomy (layers, quadrants, landmarks)",
            "Middle ear: ossicular chain, Prussak's space, sinus tympani, facial recess",
            "Eustachian tube anatomy and function; mastoid air cells",
            "Cochlear anatomy: basilar membrane, organ of Corti, inner vs outer hair cells",
            "Vestibular anatomy: semicircular canals, utricle, saccule, ampulla",
            "Facial nerve in temporal bone: 5 segments, distances, relationships",
        ],
        "afternoon": [
            "Physiology of hearing: travelling wave theory (von Bekesy), tonotopic map",
            "Hair cell transduction: tip links, stereocilia, endolymph (K+-rich), K+ channels",
            "Cochlear amplifier: outer hair cells, prestin, electromotility",
            "Tuning fork tests: Weber, Rinne, Schwabach, Bing, ABC test - interpretation table",
            "Vestibular physiology: cupula deflection, VOR, VSR, cervico-ocular reflex",
            "MCQs: 40 questions on ear anatomy & physiology",
        ],
        "evening": [
            "Revision: blood supply of ear (ext. carotid, stylomastoid, labyrinthine arteries)",
            "Nerve supply summary chart",
            "Key landmarks for surgery: Trautmann's triangle, Dorello's canal, Donaldson's line",
        ],
    },
    {
        "day": "DAY 2", "date": "Tue, 10 Jun 2026", "phase_color": MED_BLUE,
        "title": "Audiology - Pure Tone, Impedance, OAE, ABR/BERA",
        "morning": [
            "Pure tone audiogram (PTA): frequencies, bone vs air conduction, masking",
            "Audiogram patterns: conductive, SNHL, mixed; speech banana",
            "Impedance audiometry: tympanogram Types A, B, C, As, Ad - each with causes",
            "Acoustic reflex: ipsilateral, contralateral; reflex decay (retrocochlear)",
            "Otoacoustic emissions (TEOAE, DPOAE): generation, clinical uses, newborn screening",
            "ABR/BERA: waves I-V, generators, latency norms, wave V interaural latency difference",
            "Electrocochleography (ECoG): SP/AP ratio >0.4 = endolymphatic hydrops",
        ],
        "afternoon": [
            "VEMP: cervical VEMP (saccule, IVN) vs ocular VEMP (utricle, SVN)",
            "Caloric test: Fitzgerald-Hallpike protocol, COWS, canal paresis, directional preponderance",
            "Video head impulse test (vHIT): catch-up saccades in canal hypofunction",
            "Speech audiometry: SRT, WRS, PB max; rollover index (retrocochlear)",
            "MCQs: 40 questions on audiology investigations",
        ],
        "evening": [
            "Summary table: test vs finding vs diagnosis",
            "Universal Newborn Hearing Screening (UNHS) algorithm: OAE → ABR",
            "Audiological criteria for cochlear implantation",
        ],
    },
    {
        "day": "DAY 3", "date": "Wed, 11 Jun 2026", "phase_color": MED_BLUE,
        "title": "Chronic Otitis Media, Cholesteatoma & Mastoiditis",
        "morning": [
            "CSOM classification: tubotympanic (safe/mucosal) vs atticoantral (unsafe/squamosal)",
            "Tubotympanic: central perforation, types of perforations, granulation tissue, polyp",
            "Cholesteatoma: congenital (white mass anteromedial to malleus, intact TM) vs acquired",
            "Acquired cholesteatoma: primary (Shrapnell's/pars flaccida) vs secondary (pars tensa marginal)",
            "Pathogenesis theories: invagination, metaplasia, basal cell hyperplasia, immigration",
            "Dangers: erosion of ossicles, dehiscent Fallopian canal, tegmen, sigmoid sinus",
            "Complications of CSOM - Extracranial: mastoiditis, Bezold's, Citelli's, subperiosteal abscess",
            "Complications - Intracranial: meningitis, brain abscess, lateral sinus thrombophlebitis, extradural abscess, subdural empyema, otitic hydrocephalus",
            "Gradenigo's syndrome (petrous apicitis): triad = abducens palsy + retroorbital pain + otorrhoea",
        ],
        "afternoon": [
            "Myringoplasty: underlay vs overlay technique, graft materials, success rates",
            "Tympanoplasty: Wullstein classification Types I-V",
            "Mastoidectomy types: cortical, modified radical (MRM), radical (Bondy's) - indications",
            "Canal wall up (CWU) vs canal wall down (CWD): pros, cons, recurrence rates",
            "MCQs: 45 questions on CSOM, cholesteatoma, mastoiditis",
        ],
        "evening": [
            "Complication pathways map: danger ear → route → complication",
            "Bezold's (SCM groove) vs Citelli's (posterior digastric) vs Luc's abscess (temporal region)",
            "Cholesteatoma matrix vs debris: keratinising stratified squamous epithelium",
        ],
    },
    {
        "day": "DAY 4", "date": "Thu, 12 Jun 2026", "phase_color": MED_BLUE,
        "title": "Otosclerosis, Facial Nerve, SNHL & Ototoxicity",
        "morning": [
            "Otosclerosis: pathology (enchondral bone remodelling), histology (blue mantles of Manasse)",
            "Schwartze sign (flamingo pink hue), audiogram: Carhart's notch at 2kHz, negative Rinne + type As tympanogram",
            "Treatment: stapedectomy vs stapedotomy, KTP laser, sodium fluoride, hearing aids",
            "Facial nerve grading: House-Brackmann I-VI (know each grade criterion)",
            "Bell's palsy: diagnosis (exclusion), treatment = oral prednisolone within 72 hrs ± antivirals",
            "Ramsay Hunt syndrome (HZO): triad = facial palsy + otalgia + vesicles in EAC/pinna",
            "Traumatic facial palsy: ENoG >90% degeneration within 14 days = surgical exploration",
            "SNHL: noise-induced (4 kHz notch/C5 dip), TTS vs PTS",
            "Ototoxicity: aminoglycosides (gentamicin/tobramycin = vestibulotoxic; streptomycin/neomycin = cochleotoxic; amikacin = both)",
            "Cisplatin ototoxicity: high frequency first, irreversible; loop diuretics (furosemide) potentiate aminoglycoside toxicity",
        ],
        "afternoon": [
            "Sudden SNHL: definition (<30dB loss at 3 consecutive frequencies in <72 hrs), etiology",
            "Treatment: systemic steroids (prednisolone 1mg/kg) + intratympanic steroids",
            "Presbycusis types: sensory (basal turn hair cell loss), neural, metabolic/strial, mechanical (cochlear conductive)",
            "Autoimmune inner ear disease (AIED): rapidly progressive bilateral SNHL, steroids, methotrexate",
            "MCQs: 40 questions on otosclerosis, facial nerve, SNHL",
        ],
        "evening": [
            "House-Brackmann grading table (memorise all 6 grades)",
            "ENoG parameters and timing of surgery in traumatic facial palsy",
            "Aminoglycoside toxicity spectrum table",
        ],
    },
    {
        "day": "DAY 5", "date": "Fri, 13 Jun 2026", "phase_color": MED_BLUE,
        "title": "Vertigo, Meniere's Disease & Vestibular Schwannoma",
        "morning": [
            "Peripheral vs central vertigo: key differences (fatigability, nystagmus direction, fixation, HINTS exam)",
            "HINTS exam: Head Impulse (abnormal = peripheral), Nystagmus (unidirectional = peripheral), Test of Skew (positive = central)",
            "BPPV: canalolithiasis vs cupulolithiasis; posterior (most common) > horizontal > superior canal",
            "Dix-Hallpike test, Epley maneuver (for posterior canal BPPV)",
            "Horizontal canal BPPV: supine roll test (Pagnini-McClure), Barbecue roll, Gufoni maneuver",
            "Meniere's disease: endolymphatic hydrops, classic triad (episodic vertigo + fluctuating SNHL + tinnitus)",
            "Lermoyez variant (hearing improves when vertigo begins), Tumarkin crisis (otolithic catastrophe)",
            "Treatment of Meniere's: betahistine, low-salt diet, diuretics, intratympanic gentamicin, endolymphatic sac surgery",
            "Vestibular neuritis vs labyrinthitis: differences, HINTS, MRI exclusion",
            "Superior canal dehiscence (Minor's syndrome): Tullio phenomenon, autophony, HRCT, occlusion",
        ],
        "afternoon": [
            "Vestibular schwannoma: CNVIII (superior vestibular division), unilateral SNHL + tinnitus",
            "Koos grading I-IV: relates to CPA involvement and brainstem compression",
            "Approaches: translabyrinthine (no hearing), retrosigmoid (hearing preservation possible), middle fossa (intracanalicular)",
            "NF2: bilateral vestibular schwannomas, chromosome 22, merlin/schwannomin protein loss",
            "Other CPA tumours: meningioma (dural tail, calcification), epidermoid cyst (DWI restriction), facial nerve schwannoma",
            "Radiosurgery (Gamma Knife): < 3cm tumour, serviceable hearing, frail patients",
            "MCQs: 45 questions on vertigo and schwannoma",
        ],
        "evening": [
            "Peripheral vs central vertigo comparison table",
            "BPPV maneuvers step-by-step with canal diagrams in notes",
            "Koos grading and surgical approach selection chart",
        ],
    },
    {
        "day": "DAY 6", "date": "Sat, 14 Jun 2026", "phase_color": TEAL,
        "title": "Nasal Anatomy, Sinusitis, Epistaxis & Nasal Polyps",
        "morning": [
            "External nose anatomy: nasal bones, upper lateral cartilages (ULC), lower lateral cartilages (LLC/alar), septal cartilage",
            "Nasal septum: perpendicular plate of ethmoid + vomer + maxillary crest + palatine + septal cartilage",
            "Lateral nasal wall: inferior, middle, superior turbinates; infundibulum, hiatus semilunaris, ethmoidal bulla, uncinate process",
            "Ostiomeatal complex (OMC): key to rhinosinusitis; obstruction → recurrent sinusitis",
            "Blood supply of nose: Kiesselbach's plexus (Little's area - anterior epistaxis) and Woodruff's plexus (posterior - sphenopalatine branches)",
            "Sphenopalatine artery: terminal branch of maxillary artery, main blood supply to lateral nasal wall",
            "Anterior and posterior ethmoidal arteries from ophthalmic artery (from ICA)",
            "Rhinosinusitis classification: ARS <12 wks, CRS >12 wks, CRS with/without polyps",
            "Acute sinusitis organisms: S. pneumoniae, H. influenzae, M. catarrhalis",
            "EPOS 2020 treatment algorithm for ARS and CRS",
        ],
        "afternoon": [
            "Complications of sinusitis - Orbital: Chandler classification I-V (periorbital oedema → orbital abscess)",
            "Complications - Intracranial: meningitis, brain abscess, Pott's puffy tumour (frontal osteomyelitis), cavernous sinus thrombosis",
            "FESS principles: Stammberger, Messerklinger techniques; uncinectomy first step",
            "Lund-Mackay CT scoring (0-2 per sinus, max 24); Lund-Kennedy endoscopy score",
            "Nasal polyps: eosinophilic CRS, Samter's triad (asthma + ASA sensitivity + polyps)",
            "Nasal polyps associations: cystic fibrosis (young patient + bilateral polyps), EGPA/Churg-Strauss",
            "Polyp grading: Meltzer Grade 0-4; treatment = intranasal steroids, systemic steroids, surgery, dupilumab",
            "Epistaxis management: BIPP pack, Foley catheter, SPA ligation (endoscopic), anterior ethmoidal artery ligation, embolisation",
            "HHT (Rendu-Osler-Weber): autosomal dominant, telangiectasias, recurrent epistaxis, AVM",
            "MCQs: 45 questions on rhinology",
        ],
        "evening": [
            "Chandler classification orbital complications table",
            "Kiesselbach's plexus arterial contributors (5 arteries): superior labial, sphenopalatine, anterior ethmoidal, greater palatine, facial",
            "FESS steps in order: uncinectomy → maxillary antrostomy → anterior ethmoidectomy → posterior ethmoidectomy → sphenoidotomy → frontal recess work",
        ],
    },
    {
        "day": "DAY 7", "date": "Sun, 15 Jun 2026", "phase_color": TEAL,
        "title": "Allergic Rhinitis, DNS, Turbinates & Nasal Tumours",
        "morning": [
            "Allergic rhinitis: ARIA classification (intermittent vs persistent; mild vs moderate-severe)",
            "Pathophysiology: IgE-mediated, early phase (mast cells: histamine, prostaglandins) vs late phase (eosinophils, IL-4, IL-5, IL-13)",
            "Investigations: skin prick test, specific IgE (RAST/ImmunoCAP), nasal cytology",
            "Treatment: allergen avoidance, 2nd-gen antihistamines (non-sedating), intranasal corticosteroids (first-line for persistent), leukotriene antagonists, SCIT/SLIT immunotherapy",
            "Non-allergic rhinitis: vasomotor, NARES (nasal eosinophilia), hormonal (pregnancy), drug-induced (rhinitis medicamentosa = rebound from topical decongestants)",
            "Atrophic rhinitis: primary (Klebsiella ozaenae) vs secondary; young females; anosmia, fetor, crusting",
            "Atrophic rhinitis treatment: Young's operation (surgical closure of nostrils), saline douching, oestrogen drops",
            "DNS: Cottle's classification (5 areas of nasal septum), types of deviation",
            "Septoplasty: after age 17, Killian's incision vs hemitransfixation incision, SMR vs septoplasty",
            "Inferior turbinate hypertrophy: medical (steroids, antihistamines) vs surgical (submucosal diathermy, microdebrider turbinoplasty, SMR of turbinate)",
        ],
        "afternoon": [
            "Juvenile Nasopharyngeal Angiofibroma (JNA): adolescent males only, fibrovascular tumour",
            "JNA: Holman-Miller sign on angiography (anterior bowing of posterior wall of maxillary sinus = Holman-Miller/antral sign)",
            "JNA Fisch classification (I-IV), Andrews/Sessions staging; pre-op embolisation (ECA feeders)",
            "Inverted papilloma: Schneiderian/sinonasal type; 10% malignant transformation; HPV 6/11; lateral nasal wall",
            "Krouse classification (T1-T4) for inverted papilloma; treatment = medial maxillectomy (endoscopic or open)",
            "Olfactory neuroblastoma (Esthesioneuroblastoma): Kadish staging A-C (+ Morita D for LN)",
            "Sinonasal SCC: most common malignant sinonasal tumour; adenocarcinoma (woodworkers - ethmoid sinus)",
            "Maxillary sinus carcinoma: Öhngren's line (medial canthus to angle of mandible divides into antrosuperior-bad vs inferolateral-good prognosis)",
            "MCQs: 40 questions on rhinitis, DNS, tumours",
        ],
        "evening": [
            "ARIA classification revision table",
            "JNA vs inverted papilloma comparison",
            "Sinonasal malignancies: site, cell type, special associations (woodworkers, nickel/chromium workers)",
        ],
    },
    {
        "day": "DAY 8", "date": "Mon, 16 Jun 2026", "phase_color": GREEN,
        "title": "Larynx, Voice Disorders, Laryngeal Carcinoma & Neck Dissection",
        "morning": [
            "Laryngeal anatomy: thyroid, cricoid, epiglottis, arytenoids, corniculate, cuneiform cartilages",
            "Ligaments: quadrangular membrane (upper boundary = aryepiglottic fold), conus elasticus/cricovocal membrane (upper free edge = vocal ligament)",
            "Cricoarytenoid joint (synovial), cricothyroid joint (synovial) - movements",
            "Intrinsic muscles: PCA = ONLY abductor (posterior cricoarytenoid); TA, LCA, IA = adductors; cricothyroid = tensor",
            "SLN: internal branch (sensory supraglottis), external branch (cricothyroid); RLN (all other intrinsic muscles)",
            "Vocal fold layers: epithelium, superficial LP (Reinke's space), intermediate LP, deep LP, vocalis muscle",
            "Voice disorders: nodules (bilateral, junction anterior 1/3 and posterior 2/3), polyp (unilateral), Reinke's oedema (smokers)",
            "Laryngeal papillomatosis (RRP): HPV 6/11; juvenile onset (< 5 yr) vs adult; microdebrider, KTP laser, bevacizumab, HPV vaccine",
            "Laryngeal Ca: glottic (most common, late LN spread), supraglottic (bilateral LN spread, worse prognosis), subglottic (rare)",
            "AJCC 8th Ed. TNM: T1 = one subsite, normal mobility; T2 = two subsites or impaired mobility; T3 = fixed cord / pre-epiglottic space; T4 = cartilage invasion / extralaryngeal spread",
        ],
        "afternoon": [
            "Organ preservation in laryngeal Ca: RTOG 91-11 trial (conc. cisplatin-RT superior to induction + RT for laryngeal preservation)",
            "Surgical options: TLM (transoral laser microsurgery) for T1-T2, supraglottic laryngectomy, total laryngectomy",
            "Voice rehabilitation after TL: tracheoesophageal puncture (TEP) with Blom-Singer valve (preferred), electrolarynx, oesophageal speech",
            "Neck levels I-VII (Memorial Sloan Kettering classification): know which level drains which site",
            "Neck dissection types: RND, MRND (Type I II III), SND (supraomohyoid I-III, lateral II-IV, central VI, posterolateral II-V)",
            "Elective neck dissection: N0 neck with >20% risk of occult metastasis → SND",
            "Tracheostomy: anatomy (cricothyroid membrane vs trachea), surgical steps, complications (innominate artery haemorrhage, tracheomalacia, TOF, stomal stenosis)",
            "MCQs: 45 questions on larynx, voice, laryngeal Ca, neck",
        ],
        "evening": [
            "Laryngeal subsite anatomy diagram in notes",
            "TNM staging for glottic vs supraglottic vs subglottic (differences)",
            "Neck levels diagram and drainage patterns",
        ],
    },
    {
        "day": "DAY 9", "date": "Tue, 17 Jun 2026", "phase_color": GREEN,
        "title": "Head & Neck Oncology: Oral, Oropharynx, Hypopharynx, Salivary Glands, Thyroid",
        "morning": [
            "Oral cavity SCC: floor of mouth (highest risk of occult N+), tongue most common site; risk factors (tobacco + alcohol + betel nut)",
            "Pre-malignant lesions: leukoplakia (Pindborg), erythroplakia (highest malignant potential ~40%), oral submucous fibrosis",
            "HPV-positive oropharyngeal SCC: HPV16, p16 surrogate marker, younger non-smokers, better prognosis",
            "Separate AJCC 8th Ed. staging for HPV+ vs HPV- oropharynx (important exam point)",
            "Reconstruction: radial forearm free flap (thin, pliable, oral lining), fibula free flap (bone + skin for mandible), ALT (large defects), PMMC (pedicled regional flap), jejunum (circumferential pharyngeal defect)",
            "Hypopharynx: piriform sinus (most common site, most advanced presentation), postcricoid (Paterson-Brown-Kelly/Plummer-Vinson association)",
            "Plummer-Vinson/Paterson-Brown-Kelly syndrome: iron deficiency anaemia + postcricoid web + dysphagia; middle-aged women; risk of postcricoid SCC",
            "Salivary gland tumours: '10s rule' (80% parotid, 80% benign, 80% = pleomorphic adenoma; 80% of malignant parotid = MEC or ACC)",
            "Pleomorphic adenoma: pseudopodia, satellite nodules, risk of malignant transformation ~5-10%; treatment = superficial parotidectomy (not enucleation)",
            "Adenoid cystic carcinoma: perineural invasion (facial pain/palsy), skip lesions, late lung mets, cribriform histology, poor long-term prognosis",
        ],
        "afternoon": [
            "Mucoepidermoid carcinoma: most common malignant salivary tumour; low/intermediate/high grade",
            "Frey's syndrome: auriculotemporal nerve (auriculotemporal nerve → parotid pre-op, post-op re-routes to sweat glands); treatment = botulinum toxin",
            "Sjögren's syndrome: primary (sicca syndrome) vs secondary; anti-SSA/Ro, anti-SSB/La antibodies; increased risk of MALT lymphoma",
            "Thyroid cancer: papillary (most common, psammoma bodies, Orphan Annie nuclei, RET/PTC rearrangement), follicular (vascular + capsular invasion, haematogenous spread)",
            "Medullary thyroid cancer: RET proto-oncogene mutation, MEN 2A/2B, calcitonin marker, amyloid stroma",
            "Anaplastic thyroid cancer: worst prognosis, older patients, rapid progression",
            "Bethesda system: Categories I-VI; surgical threshold at IV-VI",
            "RLN: unilateral injury (hoarseness, BOL cord position) vs bilateral (bilateral adductor paralysis = stridor, requires tracheostomy)",
            "Parathyroid: superior from 4th pouch, inferior from 3rd pouch (travels with thymus); primary HPT = adenoma 85%",
            "MCQs: 45 questions on H&N oncology, salivary glands, thyroid",
        ],
        "evening": [
            "Salivary gland tumour comparison table",
            "Bethesda categories and recommended management",
            "MEN 2A vs MEN 2B comparison (MEN 2A = MTC + phaeochromocytoma + primary HPT; MEN 2B = MTC + phaeochromocytoma + marfanoid + mucosal neuromas)",
        ],
    },
    {
        "day": "DAY 10", "date": "Wed, 18 Jun 2026", "phase_color": GREEN,
        "title": "Paediatric ENT, Skull Base, Cochlear Implants & Tinnitus",
        "morning": [
            "Cochlear implants: bilateral profound SNHL, no benefit from hearing aids, patent cochlea, auditory nerve present",
            "CI candidacy in children: threshold criterion, age of implantation (earlier = better outcomes), bilateral simultaneous preferred",
            "Connexin 26 (GJB2) mutation: most common cause of hereditary SNHL in developed countries, autosomal recessive, DFNB1",
            "Large vestibular aqueduct syndrome (LVAS): SLC26A4/Pendrin mutation, Pendred syndrome (+ goitre), progressive fluctuating SNHL",
            "Mondini deformity: incomplete partition type II, 1.5 turns cochlea, CI feasible",
            "Paediatric airway: laryngomalacia (most common neonatal stridor, supraglottoplasty)",
            "Subglottic stenosis: Cotton-Myer grades I-IV (<50%, 51-70%, 71-99%, complete obstruction); congenital vs acquired (post-intubation #1)",
            "Croup (LTB): parainfluenza 1, steeple sign on AP X-ray, nebulised adrenaline + dexamethasone",
            "Epiglottitis: H. influenzae type B (now rare due to vaccine), thumb sign on lateral X-ray, emergency airway (do not examine)",
            "Choanal atresia: CHARGE syndrome; bony 90% + membranous 10%; neonatal emergency; endoscopic transnasal repair",
        ],
        "afternoon": [
            "Skull base: Anterior (endoscopic transnasal approaches - pituitary, clivus, olfactory groove)",
            "Middle fossa approach: IAC, petrous apex, tegmen repair; facial nerve decompression",
            "Translabyrinthine approach: sacrifices hearing; best access to IAC and CPA; facial nerve monitoring",
            "Retrosigmoid approach: hearing preservation possible; posterior fossa",
            "Glomus tumours: Fisch classification (A-D for glomus jugulare), Glasscock-Jackson for glomus tympanicum",
            "Glomus tympanicum: pulsatile tinnitus, Brown's sign (blanching on +ve pressure), reddish mass behind TM",
            "Cholesterol granuloma of petrous apex: blue-domed cyst, T1 hyperintense MRI, drainage",
            "Tinnitus: subjective vs objective; causes; investigations; management (TRT, CBT, sound masking)",
            "Branchial anomalies: 1st (EAC/parotid region), 2nd (most common - anterior SCM border), 3rd/4th (thyroid region)",
            "MCQs: 45 questions on paediatric ENT, skull base, CI",
        ],
        "evening": [
            "10-day Phase 1 overview revision: all topics summarised",
            "Landmark classifications masterlist (create a single revision card)",
            "Weakest topics identified from MCQ performance → prioritise in Phase 2",
        ],
    },
]

REVISION_BLOCKS = [
    {
        "phase": "REVISION BLOCK 1 (5 Days)",
        "dates": "19 – 23 Jun 2026",
        "focus": "EAR: Anatomy, Audiology, Otitis Media, Otosclerosis, Facial Nerve, SNHL, Vertigo, Schwannoma, CI",
        "color": MED_BLUE,
        "bg": LIGHT_BLUE,
        "days": [
            {
                "day": "Day 11", "date": "Thu, 19 Jun", "topic": "Ear Anatomy + Audiology",
                "am": ["Re-read notes on surgical anatomy (Prussak's space, facial recess, sinus tympani, Donaldson's line)",
                       "Tuning fork test revision + audiogram interpretation drill (10 audiograms)",
                       "Impedance tympanogram types + acoustic reflex patterns"],
                "pm": ["ABR/BERA wave latency revision", "VEMP (cVEMP vs oVEMP) + caloric test (COWS formula)", "50 MCQs ear anatomy + audiology"],
                "eve": ["Create one-page flashcard: all audiology tests at a glance"],
            },
            {
                "day": "Day 12", "date": "Fri, 20 Jun", "topic": "CSOM + Cholesteatoma + Mastoiditis",
                "am": ["Cholesteatoma pathogenesis theories (all 4)", "Complication pathways: dangerous ear → complication name",
                       "Surgical options: CWU vs CWD debate, when to choose which"],
                "pm": ["Wullstein Types I-V revision", "Bezold/Citelli/Luc/Mouret's abscess locations", "45 MCQs on CSOM and complications"],
                "eve": ["Complication flowchart from memory (draw and check)"],
            },
            {
                "day": "Day 13", "date": "Sat, 21 Jun", "topic": "Otosclerosis + Facial Nerve + Ototoxicity",
                "am": ["Otosclerosis histology, Carhart's notch at 2 kHz, stapedectomy steps",
                       "House-Brackmann grading: write all 6 grades from memory",
                       "Bell's palsy vs Ramsay Hunt: management differences"],
                "pm": ["Aminoglycoside ototoxicity table (vestibulotoxic vs cochleotoxic)",
                       "Sudden SNHL management (oral + IT steroids criteria)", "40 MCQs facial nerve + otosclerosis"],
                "eve": ["ENoG interpretation and surgery timing (>90% degeneration in 14 days)"],
            },
            {
                "day": "Day 14", "date": "Sun, 22 Jun", "topic": "Vertigo + Meniere's + BPPV",
                "am": ["HINTS exam criteria and INFARCT mnemonic for central causes",
                       "BPPV: Dix-Hallpike, Epley, Semont, Barbecue roll - perform mentally step by step",
                       "Meniere's: endolymphatic hydrops, Lermoyez, Tumarkin crisis, treatment ladder"],
                "pm": ["Superior canal dehiscence: Tullio, autophony, CT diagnosis",
                       "Vestibular migraine diagnostic criteria",
                       "45 MCQs on vertigo syndromes"],
                "eve": ["Central vs peripheral nystagmus comparison table from memory"],
            },
            {
                "day": "Day 15", "date": "Mon, 23 Jun", "topic": "Vestibular Schwannoma + CI + Skull Base Review",
                "am": ["Koos grading + surgical approach selection (translabyrinthine/retrosigmoid/middle fossa)",
                       "NF2: genetics, management, ABI indication",
                       "Cochlear implant candidacy criteria (bilateral profound, <70 dB WRS)"],
                "pm": ["Glomus jugulare vs tympanicum: Fisch vs Glasscock-Jackson classification",
                       "Petrous apex lesions: cholesterol granuloma (T1 bright) vs effusion vs cholesteatoma",
                       "50 MCQs Block 1 final test: ear + audiology + skull base"],
                "eve": ["Block 1 performance analysis; identify weak chapters"],
            },
        ],
    },
    {
        "phase": "REVISION BLOCK 2 (5 Days)",
        "dates": "24 – 28 Jun 2026",
        "focus": "NOSE & SINUSES + LARYNX + VOICE + PHARYNX + TONSILS + OESOPHAGUS",
        "color": TEAL,
        "bg": TEAL_LIGHT,
        "days": [
            {
                "day": "Day 16", "date": "Tue, 24 Jun", "topic": "Rhinology: Anatomy, Epistaxis, Sinusitis",
                "am": ["Lateral nasal wall landmarks in order: draw from memory (inferior turbinate, uncinate, hiatus semilunaris, ethmoidal bulla, middle turbinate)",
                       "Blood supply of nose: Little's area (5 arteries) + Woodruff's plexus + SPA anatomy",
                       "EPOS 2020 algorithm: ARS and CRS treatment stepwise"],
                "pm": ["Chandler classification orbital complications (write all 5 stages)",
                       "FESS steps in order (uncinectomy first); Lund-Mackay scoring practice",
                       "45 MCQs on rhinology anatomy + sinusitis"],
                "eve": ["Complications of sinusitis: orbital vs intracranial, management per stage"],
            },
            {
                "day": "Day 17", "date": "Wed, 25 Jun", "topic": "Allergic Rhinitis + Polyps + DNS + Tumours",
                "am": ["ARIA classification from memory (4 quadrants: intermittent/persistent x mild/moderate-severe)",
                       "Samter's triad mechanism: COX-1 inhibition → excess LTC4, LTD4 → aspirin desensitisation protocol",
                       "JNA: Fisch stages, Holman-Miller sign, treatment (embolisation + endoscopic/transpalatal surgery)"],
                "pm": ["Inverted papilloma: Krouse T1-T4, HPV association, medial maxillectomy",
                       "Esthesioneuroblastoma: Kadish A-C stages, craniofacial resection + RT",
                       "DNS: Cottle areas 1-5; septoplasty vs SMR comparison",
                       "45 MCQs on rhinitis, polyps, DNS, tumours"],
                "eve": ["ARIA table + Samter's mechanism from memory"],
            },
            {
                "day": "Day 18", "date": "Thu, 26 Jun", "topic": "Laryngology: Anatomy, Voice, Laryngeal Ca",
                "am": ["Intrinsic laryngeal muscles: name, action, nerve supply (all 8 pairs + cricothyroid)",
                       "Vocal fold histology: Reinke's space - superficial LP, clinical significance (oedema in smokers)",
                       "RRP: HPV 6/11, treatment options in 2026 (microdebrider, KTP, bevacizumab, HPV vaccine off-label)"],
                "pm": ["Laryngeal Ca TNM staging: glottic T1a/b, T2, T3, T4a, T4b",
                       "RTOG 91-11 trial summary: concurrent chemoRT = gold standard for laryngeal preservation",
                       "Voice rehabilitation: TEP > electrolarynx > oesophageal speech",
                       "45 MCQs on larynx, voice disorders, laryngeal Ca"],
                "eve": ["Intrinsic laryngeal muscles from memory + RLN unilateral vs bilateral injury consequences"],
            },
            {
                "day": "Day 19", "date": "Fri, 27 Jun", "topic": "Pharynx: Tonsils, Adenoids, Hypopharynx, Dysphagia",
                "am": ["Tonsil blood supply (5 arteries - main = tonsillar branch of facial artery)",
                       "Paradise criteria: 7/yr or 5/yr x2 or 3/yr x3 (with constitutional symptoms)",
                       "Peritonsillar abscess: aspiration (1st line) vs I&D; interval tonsillectomy at 6 weeks",
                       "Deep space neck infections: retropharyngeal, parapharyngeal, Ludwig's angina"],
                "pm": ["Plummer-Vinson syndrome: complete features, postcricoid carcinoma risk, iron replacement",
                       "Zenker's diverticulum: Killian's dehiscence, cricopharyngeal achalasia, endoscopic stapling vs open",
                       "LPR: RSI and RFS scores, treatment (PPI, alginate, dietary modifications)",
                       "45 MCQs on pharynx, tonsils, hypopharynx, dysphagia"],
                "eve": ["Deep space neck infection: routes of spread, management"],
            },
            {
                "day": "Day 20", "date": "Sat, 28 Jun", "topic": "Block 2 Comprehensive Test + Weak Area Drill",
                "am": ["75 MCQs: mixed nose + larynx + pharynx (timed 45 minutes)",
                       "Identify and list all incorrect answers",
                       "Re-read relevant sections for incorrect answers"],
                "pm": ["Weak chapter re-revision (1.5 hrs each for 2 weakest topics)",
                       "Classification systems revision: Chandler, Cottle, Kadish, Krouse, Holman-Miller"],
                "eve": ["Block 2 performance log; note pattern of recurring errors"],
            },
        ],
    },
    {
        "phase": "REVISION BLOCK 3 (5 Days)",
        "dates": "29 Jun – 3 Jul 2026",
        "focus": "HEAD & NECK ONCOLOGY + PAEDIATRIC ENT + MOCK EXAMS + FINAL CONSOLIDATION",
        "color": GREEN,
        "bg": GREEN_LIGHT,
        "days": [
            {
                "day": "Day 21", "date": "Sun, 29 Jun", "topic": "Head & Neck Cancer: Oral, Oropharynx, Reconstruction",
                "am": ["Oral cavity SCC: staging (T1 <2cm, T2 2-4cm, T3 >4cm, T4a bone/skin, T4b encases ICA),",
                       "HPV+ oropharyngeal SCC AJCC 8th Ed staging: separate N classification (N1 = single ipsilateral ≤3cm)",
                       "Elective neck dissection: N0 oral tongue with depth of invasion > 4mm → SND (I-III)"],
                "pm": ["Free flap selection: radial forearm vs fibula vs ALT vs jejunum - when to use each",
                       "PMMC flap: indications, blood supply (thoracoacromial artery, pectoral branch), complications",
                       "Sentinel lymph node biopsy in oral cancer: technique, learning curve",
                       "45 MCQs on oral cavity, oropharynx, reconstruction"],
                "eve": ["Reconstruction algorithm: defect type → flap choice from memory"],
            },
            {
                "day": "Day 22", "date": "Mon, 30 Jun", "topic": "Salivary Glands + Thyroid + Neck Dissection Review",
                "am": ["Salivary gland tumours: 10s rule, WHO classification 2022 (MEC, ACC, SCC, polymorphous adenocarcinoma)",
                       "Neck dissection: levels I-VII, SND nomenclature by AAOHNS 2002/2008",
                       "Unknown primary workup: EUA + ipsilateral tonsillectomy + tongue base biopsy + PET-CT"],
                "pm": ["Bethesda categories I-VI: management for each",
                       "Parathyroid embryology (3rd vs 4th pouch) and their final positions - why inferior glands are ectopic",
                       "Osteoradionecrosis: Marx staging, HBO therapy, sequestrectomy",
                       "45 MCQs on salivary glands, thyroid, neck"],
                "eve": ["Comparison: MEN 2A vs 2B from memory; RET codon mutations"],
            },
            {
                "day": "Day 23", "date": "Tue, 1 Jul", "topic": "Paediatric ENT Comprehensive Review",
                "am": ["Congenital hearing loss causes: TORCH (CMV = most common viral), connexin 26, LVAS, Mondini",
                       "UNHS algorithm and audiological management of infants with hearing loss",
                       "Cochlear implantation in children: criteria, bilateral vs unilateral, age of implantation",
                       "Laryngomalacia: pathophysiology (short aryepiglottic folds), diagnosis (awake FNLS), supraglottoplasty indications"],
                "pm": ["SGS Cotton-Myer grading + surgical management ladder",
                       "CHARGE syndrome: all 8 components (C-H-A-R-G-E)",
                       "Croup vs epiglottitis vs bacterial tracheitis: complete comparison table",
                       "Paediatric OSA: PSG criteria (AHI >1 in children), adenotonsillectomy first-line",
                       "45 MCQs on paediatric ENT"],
                "eve": ["Stridor in neonates: differential by site (supraglottic, glottic, subglottic, tracheal)"],
            },
            {
                "day": "Day 24", "date": "Wed, 2 Jul", "topic": "Mock Exam Day 1 + Targeted Revision",
                "am": ["100-question timed mock exam: all ENT topics (60 minutes)",
                       "Strict exam conditions: no books, no notes"],
                "pm": ["Analysis: topic-wise performance breakdown",
                       "Targeted revision of all incorrect answers (read relevant sections)",
                       "Classification systems speed drill: 15 minutes, all systems from memory"],
                "eve": ["Identify final 3 weakest topics for Day 25 consolidation"],
            },
            {
                "day": "Day 25", "date": "Thu, 3 Jul", "topic": "Mock Exam Day 2 + Final Consolidation",
                "am": ["75-question timed mock exam: focused on H&N + paediatric ENT (45 minutes)",
                       "Cross-check with answer key; note pattern changes from Day 24"],
                "pm": ["Focused revision of final 3 weak topics (45 min each)",
                       "Scott-Brown's 'Key Points' and 'Best Clinical Practice' boxes: rapid skim all volumes",
                       "High-yield one-liners and mnemonics final revision"],
                "eve": ["Full mnemonic list revision (CHARGE, HINTS, COWS, Samter's, etc.)",
                        "Exam-day logistics and confidence review"],
            },
        ],
    },
]

CLASSIFICATION_TABLE = [
    ["House-Brackmann I-VI", "Facial nerve palsy grading"],
    ["Chandler I-V", "Orbital complications of sinusitis"],
    ["Wullstein I-V", "Tympanoplasty types"],
    ["Cotton-Myer I-IV", "Subglottic stenosis grading"],
    ["Koos I-IV", "Vestibular schwannoma (CPA extension)"],
    ["Fisch A-D", "Glomus jugulare extent"],
    ["Glasscock-Jackson I-IV", "Glomus tympanicum/jugulare"],
    ["Shamblin I-III", "Carotid body tumour"],
    ["Kadish A-C (+D)", "Olfactory neuroblastoma"],
    ["Krouse T1-T4", "Inverted papilloma staging"],
    ["Fisch I-IV (JNA)", "Juvenile nasopharyngeal angiofibroma"],
    ["Lund-Mackay (0-24)", "CT staging of chronic rhinosinusitis"],
    ["Cottle Areas 1-5", "Deviated nasal septum areas"],
    ["Jahrsdoerfer 0-10", "Aural atresia repair candidacy"],
    ["Nagata I-IV", "Microtia classification"],
    ["Bailey I-IV", "Branchial cyst classification"],
    ["ARIA 2x2", "Allergic rhinitis severity + duration"],
    ["AJCC 8th Ed. TNM", "All H&N cancers (separate for HPV+ OP)"],
    ["Ann Arbor I-IV", "Lymphoma staging"],
    ["Bethesda I-VI", "Thyroid cytology (FNA) classification"],
    ["Paradise criteria", "Tonsillectomy indications"],
    ["Meltzer 0-4", "Nasal polyp grading"],
]

MNEMONIC_TABLE = [
    ["CHARGE", "Coloboma, Heart defects, Atresia choanae, Retardation, Genital, Ear anomalies"],
    ["HINTS", "Head Impulse (N) + Nystagmus (unidirectional) + Test of Skew (N) = Peripheral"],
    ["COWS", "Cold Opposite, Warm Same (caloric nystagmus direction)"],
    ["Samter's Triad", "Asthma + Aspirin sensitivity + Nasal polyps (COX-1 → excess LTC4/D4)"],
    ["PCA = Abductor", "Posterior CricoArytenoid = ONLY abductor of vocal folds"],
    ["Gradenigo's Triad", "Petrous apicitis: VI nerve palsy + retroorbital pain + otorrhoea"],
    ["Plummer-Vinson / PBK", "Iron deficiency + postcricoid web + dysphagia + middle-aged woman"],
    ["Bezold's abscess", "Mastoiditis → tracks along SCM, points below mastoid tip"],
    ["Citelli's abscess", "Mastoiditis → posterior digastric region"],
    ["Frey's syndrome", "Post-parotidectomy gustatory sweating (auriculotemporal nerve re-routing)"],
    ["10s rule (salivary)", "80% in parotid; 80% parotid tumours benign; 80% benign = pleomorphic adenoma"],
    ["RRP HPV 6/11", "Recurrent respiratory papillomatosis — also same types as genital warts"],
    ["Carhart's notch", "2 kHz bone conduction dip in otosclerosis (mechanical, not true SNHL)"],
    ["Holman-Miller sign", "Anterior bowing of posterior maxillary sinus wall on angiography — JNA"],
    ["MEN 2A", "MTC + phaeochromocytoma + primary hyperparathyroidism (RET codon 634)"],
    ["MEN 2B", "MTC + phaeochromocytoma + marfanoid + mucosal neuromas (RET codon 918)"],
]

# ─── Document assembly ───────────────────────────────────────────────────────

def build_pdf(output_path):
    doc = BaseDocTemplate(
        output_path,
        pagesize=A4,
        leftMargin=1.8*cm,
        rightMargin=1.8*cm,
        topMargin=1.8*cm,
        bottomMargin=1.4*cm,
    )

    frame_normal = Frame(
        doc.leftMargin, doc.bottomMargin,
        doc.width, doc.height,
        leftPadding=0, rightPadding=0,
        topPadding=0, bottomPadding=0,
    )
    frame_cover = Frame(
        0, 0, A4[0], A4[1],
        leftPadding=1.8*cm, rightPadding=1.8*cm,
        topPadding=2*cm, bottomPadding=1*cm,
    )

    doc.addPageTemplates([
        PageTemplate(id='Cover',  frames=[frame_cover],  onPage=cover_page),
        PageTemplate(id='Normal', frames=[frame_normal], onPage=header_footer),
    ])

    story = []

    # ── COVER PAGE ────────────────────────────────────────────────────────────
    story.append(Spacer(1, 3.2*cm))
    story.append(Paragraph("ENT PG EXAMINATION", COVER_TITLE))
    story.append(Paragraph("STUDY SCHEDULE", ParagraphStyle('_cs2', parent=COVER_TITLE, fontSize=22, leading=28)))
    story.append(Spacer(1, 0.6*cm))
    story.append(HRFlowable(width='70%', thickness=1.5, color=TEAL, spaceAfter=12, spaceBefore=0, hAlign='CENTER'))
    story.append(Paragraph("Based on Scott-Brown's Otorhinolaryngology, Head &amp; Neck Surgery (8th Ed.)", COVER_SUB))
    story.append(Spacer(1, 0.4*cm))
    story.append(Paragraph("10-Day First Reading (High Yield) + 3 × 5-Day Rapid Revision Blocks", COVER_INFO))
    story.append(Paragraph("10 – 12 Hours Study Per Day", COVER_INFO))
    story.append(Spacer(1, 0.4*cm))
    story.append(HRFlowable(width='40%', thickness=0.5, color=GREY_MED, spaceAfter=12, spaceBefore=0, hAlign='CENTER'))
    story.append(Paragraph("Schedule Period: 9 June 2026 – 3 July 2026 (25 Days)", COVER_INFO))
    story.append(Spacer(1, 2.0*cm))

    # Schedule overview table on cover
    overview = [
        [Paragraph("PHASE", TABLE_HDR), Paragraph("DATES", TABLE_HDR), Paragraph("FOCUS", TABLE_HDR), Paragraph("DAYS", TABLE_HDR)],
        [Paragraph("Phase 1: First Reading", TABLE_CELL_C), Paragraph("9 – 18 Jun 2026", TABLE_CELL_C),
         Paragraph("High-Yield Topics: Ear (Days 1-5), Nose (Days 6-7), Larynx/H&N (Days 8-10)", TABLE_CELL), Paragraph("10", TABLE_CELL_C)],
        [Paragraph("Revision Block 1", TABLE_CELL_C), Paragraph("19 – 23 Jun 2026", TABLE_CELL_C),
         Paragraph("Complete Ear: Anatomy, Audiology, CSOM, Otosclerosis, Facial Nerve, Vertigo, CI", TABLE_CELL), Paragraph("5", TABLE_CELL_C)],
        [Paragraph("Revision Block 2", TABLE_CELL_C), Paragraph("24 – 28 Jun 2026", TABLE_CELL_C),
         Paragraph("Nose, Sinuses, Larynx, Voice, Pharynx, Tonsils, Hypopharynx, Oesophagus", TABLE_CELL), Paragraph("5", TABLE_CELL_C)],
        [Paragraph("Revision Block 3", TABLE_CELL_C), Paragraph("29 Jun – 3 Jul 2026", TABLE_CELL_C),
         Paragraph("H&N Oncology, Paediatric ENT, Mock Exams, Final Consolidation", TABLE_CELL), Paragraph("5", TABLE_CELL_C)],
    ]
    ov_table = Table(overview, colWidths=[3.5*cm, 3.2*cm, 8.0*cm, 1.5*cm])
    ov_table.setStyle(TableStyle([
        ('BACKGROUND', (0,0), (-1,0), DARK_BLUE),
        ('ROWBACKGROUNDS', (0,1), (-1,-1), [HexColor('#1e4a7a'), HexColor('#1a3d6e')]),
        ('GRID', (0,0), (-1,-1), 0.3, HexColor('#2d5f9a')),
        ('TOPPADDING', (0,0), (-1,-1), 5),
        ('BOTTOMPADDING', (0,0), (-1,-1), 5),
        ('LEFTPADDING', (0,0), (-1,-1), 6),
        ('RIGHTPADDING', (0,0), (-1,-1), 6),
        ('VALIGN', (0,0), (-1,-1), 'MIDDLE'),
        ('TEXTCOLOR', (0,1), (-1,-1), WHITE),
    ]))
    story.append(ov_table)
    story.append(Spacer(1, 0.5*cm))
    story.append(Paragraph("Daily Schedule: 07:00–13:00 Morning Block (6 hrs) | 14:00–18:00 Afternoon Block (4 hrs) | 19:00–21:00 Evening Block (2 hrs)", 
                            ParagraphStyle('_ci2', parent=COVER_INFO, fontSize=9, textColor=GREY_LIGHT)))

    # Switch to normal template
    story.append(PageBreak())
    story.append(NextPageTemplate_hack := type('_NPT', (), {'__class__': type})())

    # Manually insert next-page template switch using a Flowable trick
    from reportlab.platypus import ActionFlowable
    story[-1] = ActionFlowable(('nextPageTemplate', 'Normal'))

    # ── DAILY TIME BLOCK LEGEND ───────────────────────────────────────────────
    story.append(colored_bar("DAILY STUDY BLOCK STRUCTURE", DARK_BLUE))
    story.append(Spacer(1, 6))
    block_data = [
        [Paragraph("Block", TABLE_HDR), Paragraph("Time", TABLE_HDR), Paragraph("Duration", TABLE_HDR), Paragraph("Purpose", TABLE_HDR)],
        [Paragraph("Morning", TABLE_CELL_C), Paragraph("07:00 – 13:00", TABLE_CELL_C), Paragraph("6 hours", TABLE_CELL_C), Paragraph("New topic study / deep reading from Scott-Brown's", TABLE_CELL)],
        [Paragraph("Break", TABLE_CELL_C), Paragraph("13:00 – 14:00", TABLE_CELL_C), Paragraph("1 hour", TABLE_CELL_C), Paragraph("Lunch + rest — do NOT skip this", TABLE_CELL)],
        [Paragraph("Afternoon", TABLE_CELL_C), Paragraph("14:00 – 18:00", TABLE_CELL_C), Paragraph("4 hours", TABLE_CELL_C), Paragraph("MCQ practice + case vignettes + classification revision", TABLE_CELL)],
        [Paragraph("Break", TABLE_CELL_C), Paragraph("18:00 – 19:00", TABLE_CELL_C), Paragraph("1 hour", TABLE_CELL_C), Paragraph("Dinner + exercise (15-20 min walk recommended)", TABLE_CELL)],
        [Paragraph("Evening", TABLE_CELL_C), Paragraph("19:00 – 21:00", TABLE_CELL_C), Paragraph("2 hours", TABLE_CELL_C), Paragraph("Rapid revision + notes consolidation + flashcard review", TABLE_CELL)],
    ]
    story.append(make_table(["Block","Time","Duration","Purpose"], block_data[1:], [2.5*cm, 3.0*cm, 2.0*cm, 10.0*cm]))
    story.append(Spacer(1, 10))
    story.append(Paragraph("NOTE: MCQ targets are minimum. Aim for 50-75% of daily study time actively engaging with clinical scenarios, not passive reading.", NOTE_STYLE))
    story.append(Spacer(1, 10))

    # ── PHASE 1: 10-DAY FIRST READING ────────────────────────────────────────
    story.append(PageBreak())
    story.append(colored_bar("PHASE 1: 10-DAY FIRST READING — HIGH YIELD TOPICS (9–18 Jun 2026)", DARK_BLUE))
    story.append(Paragraph("Focus: Build strong conceptual foundation across all ENT domains. Read Scott-Brown's actively — do not skip Key Points boxes.", NOTE_STYLE))
    story.append(Spacer(1, 8))

    for d in PHASE1_DAYS:
        # Day header bar
        day_bar_data = [[
            Paragraph(f"{d['day']}  |  {d['date']}", DAY_HEADER),
            Paragraph(d['title'], ParagraphStyle('_dts', parent=DAY_HEADER, fontSize=10, alignment=1))
        ]]
        day_bar = Table(day_bar_data, colWidths=[4.5*cm, 13.0*cm])
        day_bar.setStyle(TableStyle([
            ('BACKGROUND', (0,0), (-1,-1), d['phase_color']),
            ('LEFTPADDING', (0,0), (-1,-1), 8),
            ('TOPPADDING', (0,0), (-1,-1), 5),
            ('BOTTOMPADDING', (0,0), (-1,-1), 5),
            ('RIGHTPADDING', (0,0), (-1,-1), 8),
            ('VALIGN', (0,0), (-1,-1), 'MIDDLE'),
        ]))
        blocks = [day_bar, Spacer(1, 3)]
        for blk_label, emoji, bg, key in [
            ("Morning Block (07:00 – 13:00) | Deep Study", "☀", LIGHT_BLUE, 'morning'),
            ("Afternoon Block (14:00 – 18:00) | MCQs + Application", "📚", ORANGE_LIGHT, 'afternoon'),
            ("Evening Block (19:00 – 21:00) | Rapid Revision", "🌙", PURPLE_LIGHT, 'evening'),
        ]:
            for item in session_box(blk_label, emoji, bg, d[key], DARK_BLUE):
                blocks.append(item)

        blocks.append(HRFlowable(width='100%', thickness=0.4, color=GREY_MED, spaceAfter=6, spaceBefore=4))
        story.append(KeepTogether(blocks[:8]))  # keep day header + morning together
        for b in blocks[8:]:
            story.append(b)

    # ── REVISION BLOCKS ───────────────────────────────────────────────────────
    for blk in REVISION_BLOCKS:
        story.append(PageBreak())
        story.append(colored_bar(f"{blk['phase']}  |  {blk['dates']}", blk['color']))
        story.append(Paragraph(f"Focus: {blk['focus']}", ParagraphStyle('_rf', parent=NOTE_STYLE, textColor=blk['color'])))
        story.append(Spacer(1, 8))

        for d in blk['days']:
            # Day header
            day_bar_data = [[
                Paragraph(f"{d['day']}  |  {d['date']}", DAY_HEADER),
                Paragraph(d['topic'], ParagraphStyle('_dts2', parent=DAY_HEADER, fontSize=10, alignment=1))
            ]]
            day_bar = Table(day_bar_data, colWidths=[3.8*cm, 13.7*cm])
            day_bar.setStyle(TableStyle([
                ('BACKGROUND', (0,0), (-1,-1), blk['color']),
                ('LEFTPADDING', (0,0), (-1,-1), 8),
                ('TOPPADDING', (0,0), (-1,-1), 4),
                ('BOTTOMPADDING', (0,0), (-1,-1), 4),
                ('RIGHTPADDING', (0,0), (-1,-1), 8),
                ('VALIGN', (0,0), (-1,-1), 'MIDDLE'),
            ]))
            story.append(day_bar)
            story.append(Spacer(1, 3))
            for item in session_box("Morning Block (07:00–13:00)", "☀", blk['bg'], d['am'], blk['color']):
                story.append(item)
            for item in session_box("Afternoon Block (14:00–18:00)", "📚", ORANGE_LIGHT, d['pm'], blk['color']):
                story.append(item)
            for item in session_box("Evening Block (19:00–21:00)", "🌙", PURPLE_LIGHT, d['eve'], blk['color']):
                story.append(item)
            story.append(HRFlowable(width='100%', thickness=0.4, color=GREY_MED, spaceAfter=4, spaceBefore=3))

    # ── CLASSIFICATION SYSTEMS ────────────────────────────────────────────────
    story.append(PageBreak())
    story.append(colored_bar("MASTER CLASSIFICATION SYSTEMS — HIGH YIELD FOR PG EXAM", DARK_BLUE))
    story.append(Spacer(1, 6))
    cls_data = [[Paragraph("Classification / System", TABLE_HDR), Paragraph("Topic / Application", TABLE_HDR)]]
    for row in CLASSIFICATION_TABLE:
        cls_data.append([Paragraph(row[0], ParagraphStyle('_cb', parent=TABLE_CELL, fontName='Helvetica-Bold', textColor=DARK_BLUE)),
                         Paragraph(row[1], TABLE_CELL)])
    cls_t = Table(cls_data, colWidths=[6.5*cm, 11.0*cm], repeatRows=1)
    cls_t.setStyle(TableStyle([
        ('BACKGROUND', (0,0), (-1,0), DARK_BLUE),
        ('ROWBACKGROUNDS', (0,1), (-1,-1), [WHITE, GREY_LIGHT]),
        ('GRID', (0,0), (-1,-1), 0.3, GREY_MED),
        ('TOPPADDING', (0,0), (-1,-1), 4),
        ('BOTTOMPADDING', (0,0), (-1,-1), 4),
        ('LEFTPADDING', (0,0), (-1,-1), 6),
        ('RIGHTPADDING', (0,0), (-1,-1), 6),
        ('VALIGN', (0,0), (-1,-1), 'TOP'),
    ]))
    story.append(cls_t)

    # ── MNEMONICS ─────────────────────────────────────────────────────────────
    story.append(Spacer(1, 14))
    story.append(colored_bar("HIGH-YIELD MNEMONICS & KEY FACTS", TEAL))
    story.append(Spacer(1, 6))
    mn_data = [[Paragraph("Mnemonic / Eponym", TABLE_HDR), Paragraph("Meaning / Clinical Relevance", TABLE_HDR)]]
    for row in MNEMONIC_TABLE:
        mn_data.append([Paragraph(row[0], ParagraphStyle('_mb', parent=TABLE_CELL, fontName='Helvetica-Bold', textColor=TEAL)),
                        Paragraph(row[1], TABLE_CELL)])
    mn_t = Table(mn_data, colWidths=[4.5*cm, 13.0*cm], repeatRows=1)
    mn_t.setStyle(TableStyle([
        ('BACKGROUND', (0,0), (-1,0), TEAL),
        ('ROWBACKGROUNDS', (0,1), (-1,-1), [WHITE, TEAL_LIGHT]),
        ('GRID', (0,0), (-1,-1), 0.3, GREY_MED),
        ('TOPPADDING', (0,0), (-1,-1), 4),
        ('BOTTOMPADDING', (0,0), (-1,-1), 4),
        ('LEFTPADDING', (0,0), (-1,-1), 6),
        ('RIGHTPADDING', (0,0), (-1,-1), 6),
        ('VALIGN', (0,0), (-1,-1), 'TOP'),
    ]))
    story.append(mn_t)

    # ── SCOTT-BROWN PRIORITY CHAPTERS ────────────────────────────────────────
    story.append(PageBreak())
    story.append(colored_bar("SCOTT-BROWN'S — PRIORITY CHAPTERS BY VOLUME", GREEN))
    story.append(Spacer(1, 8))

    vol_data = [
        ("Volume 2: Otology & Audiology", MED_BLUE, [
            "Anatomy of the ear (external, middle, inner) — surgical landmarks",
            "Physiology of hearing and balance",
            "Acute and chronic otitis media, cholesteatoma",
            "Otosclerosis and tympanosclerosis",
            "Facial nerve anatomy, pathology and surgical rehabilitation",
            "Sensorineural hearing loss: causes, investigations, management",
            "BPPV, Meniere's disease, vestibular neuritis, SSC dehiscence",
            "Vestibular schwannoma: diagnosis, Koos grading, surgical approaches",
            "Cochlear implants, BAHA, middle ear implants",
            "Newborn hearing screening",
        ]),
        ("Volume 1: Basic Sciences, Rhinology, Laryngology", TEAL, [
            "Applied anatomy: nose, paranasal sinuses, larynx, pharynx",
            "Allergic rhinitis (ARIA classification), immunotherapy",
            "Chronic rhinosinusitis + FESS (Stammberger, Draf procedures)",
            "Nasal polyps: medical and surgical management, biologics",
            "Epistaxis: management algorithm, SPA ligation",
            "Sinonasal tumours: JNA, inverted papilloma, esthesioneuroblastoma",
            "Voice disorders: nodules, polyps, RRP, Reinke's oedema",
            "Laryngeal carcinoma: staging, organ preservation, rehabilitation",
            "Dysphagia: Zenker's diverticulum, LPR, swallowing evaluation",
        ]),
        ("Volume 3: Head & Neck Surgery + Paediatric ENT", GREEN, [
            "Oral cavity and oropharyngeal SCC (HPV+ vs HPV- staging)",
            "Neck dissection: classification, indications, surgical anatomy",
            "Salivary gland tumours (pleomorphic adenoma, ACC, MEC)",
            "Thyroid cancer (Bethesda, papillary/follicular/medullary/anaplastic)",
            "Skull base surgery: approaches, glomus tumours, petrous apex",
            "Free flap reconstruction: selection, anatomy, monitoring",
            "Paediatric hearing loss: genetics, cochlear implants",
            "Paediatric airway: laryngomalacia, SGS, croup, epiglottitis, CHARGE",
            "Branchial anomalies, thyroglossal cyst, neck masses in children",
            "Paediatric OSA: adenotonsillectomy, CPAP",
        ]),
    ]

    for title, color, items in vol_data:
        vol_bar = colored_bar(title, color)
        story.append(vol_bar)
        for item in items:
            story.append(Paragraph(f"• {item}", BULLET))
        story.append(Spacer(1, 8))

    # ── BACK COVER NOTE ────────────────────────────────────────────────────────
    story.append(Spacer(1, 10))
    story.append(HRFlowable(width='100%', thickness=0.5, color=GREY_MED))
    story.append(Spacer(1, 6))
    story.append(Paragraph(
        "This schedule is structured around Scott-Brown's Otorhinolaryngology Head &amp; Neck Surgery (8th Ed.), "
        "the primary reference for ENT PG examinations. Supplement MCQ practice with a dedicated question bank "
        "(e.g. Logan Turner, FRCS ORL-HNS question banks, or Samy's ENT). Every Key Points box in Scott-Brown's "
        "is exam-relevant — do not skip them during the first reading.",
        ParagraphStyle('_fn', parent=BULLET, fontSize=8.5, textColor=HexColor('#334155'), leading=13)
    ))

    doc.build(story)
    print(f"PDF generated: {output_path}")

if __name__ == '__main__':
    build_pdf('/home/daytona/workspace/ent-schedule/ENT_PG_Study_Schedule.pdf')