SHALAKYA TANTRA - Complete Study Notes

from reportlab.lib.pagesizes import A4
from reportlab.lib.units import cm
from reportlab.lib.colors import HexColor, white, black
from reportlab.lib.styles import ParagraphStyle
from reportlab.lib.enums import TA_CENTER, TA_LEFT, TA_JUSTIFY
from reportlab.platypus import (SimpleDocTemplate, Paragraph, Spacer, Table,
                                 TableStyle, HRFlowable, KeepTogether)
from reportlab.pdfbase import pdfmetrics
from reportlab.pdfbase.ttfonts import TTFont

# Register fonts
pdfmetrics.registerFont(TTFont('Deva', '/home/daytona/workspace/shalakya-pdf/NotoSansDevanagari.ttf'))
pdfmetrics.registerFont(TTFont('DejaVu', '/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf'))
pdfmetrics.registerFont(TTFont('DejaVuBold', '/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf'))

# Colors
SAFFRON     = HexColor('#FF6600')
DARK_SAFFRON= HexColor('#CC4400')
GOLD        = HexColor('#DAA520')
CREAM       = HexColor('#FFF8F0')
LIGHT_CREAM = HexColor('#FFFDF9')
DARK_BROWN  = HexColor('#4A2800')
GREEN       = HexColor('#2E6B2E')
LIGHT_GREEN = HexColor('#E8F5E9')
LIGHT_BLUE  = HexColor('#E3F2FD')
BLUE        = HexColor('#1565C0')
SLOKA_BG    = HexColor('#FFF3E0')
SLOKA_BORDER= HexColor('#FF8C00')
MEANING_BG  = HexColor('#F1F8E9')

W, H = A4

# Styles
def make_styles():
    title_main = ParagraphStyle('title_main', fontName='DejaVuBold', fontSize=20,
        textColor=white, alignment=TA_CENTER, leading=28, spaceAfter=4)
    title_sub = ParagraphStyle('title_sub', fontName='DejaVu', fontSize=11,
        textColor=white, alignment=TA_CENTER, leading=16)
    section_heading = ParagraphStyle('section_heading', fontName='DejaVuBold', fontSize=14,
        textColor=white, alignment=TA_CENTER, leading=20, spaceBefore=6, spaceAfter=4)
    sub_heading = ParagraphStyle('sub_heading', fontName='DejaVuBold', fontSize=11,
        textColor=DARK_BROWN, alignment=TA_LEFT, leading=16, spaceBefore=6, spaceAfter=3)
    sloka_deva = ParagraphStyle('sloka_deva', fontName='Deva', fontSize=14,
        textColor=DARK_BROWN, alignment=TA_CENTER, leading=24, spaceBefore=4, spaceAfter=4)
    sloka_roman = ParagraphStyle('sloka_roman', fontName='DejaVu', fontSize=10,
        textColor=HexColor('#555500'), alignment=TA_CENTER, leading=16, spaceAfter=3)
    meaning_label = ParagraphStyle('meaning_label', fontName='DejaVuBold', fontSize=10,
        textColor=GREEN, alignment=TA_LEFT, leading=14, spaceBefore=2)
    meaning_text = ParagraphStyle('meaning_text', fontName='DejaVu', fontSize=10,
        textColor=HexColor('#1A1A1A'), alignment=TA_JUSTIFY, leading=15, spaceAfter=4)
    ref_style = ParagraphStyle('ref_style', fontName='DejaVu', fontSize=8,
        textColor=BLUE, alignment=TA_RIGHT, leading=12, spaceAfter=2)
    normal = ParagraphStyle('normal', fontName='DejaVu', fontSize=10,
        textColor=black, alignment=TA_JUSTIFY, leading=15, spaceAfter=4)
    bullet = ParagraphStyle('bullet', fontName='DejaVu', fontSize=9.5,
        textColor=HexColor('#1A1A1A'), leftIndent=14, leading=14, spaceAfter=2)
    table_header = ParagraphStyle('table_header', fontName='DejaVuBold', fontSize=9,
        textColor=white, alignment=TA_CENTER, leading=13)
    table_cell = ParagraphStyle('table_cell', fontName='DejaVu', fontSize=8.5,
        textColor=black, alignment=TA_LEFT, leading=13)
    table_deva = ParagraphStyle('table_deva', fontName='Deva', fontSize=10,
        textColor=DARK_BROWN, alignment=TA_LEFT, leading=16)
    note = ParagraphStyle('note', fontName='DejaVu', fontSize=8,
        textColor=HexColor('#555555'), alignment=TA_CENTER, leading=12, spaceAfter=2)
    return {
        'title_main': title_main, 'title_sub': title_sub,
        'section_heading': section_heading, 'sub_heading': sub_heading,
        'sloka_deva': sloka_deva, 'sloka_roman': sloka_roman,
        'meaning_label': meaning_label, 'meaning_text': meaning_text,
        'ref_style': ref_style, 'normal': normal, 'bullet': bullet,
        'table_header': table_header, 'table_cell': table_cell,
        'table_deva': table_deva, 'note': note
    }

def section_header(text, s, color=SAFFRON):
    return Table([[Paragraph(text, s['section_heading'])]],
        colWidths=[W - 4*cm],
        style=TableStyle([
            ('BACKGROUND', (0,0), (-1,-1), color),
            ('ROUNDEDCORNERS', [6,6,6,6]),
            ('TOPPADDING', (0,0), (-1,-1), 8),
            ('BOTTOMPADDING', (0,0), (-1,-1), 8),
            ('LEFTPADDING', (0,0), (-1,-1), 12),
            ('RIGHTPADDING', (0,0), (-1,-1), 12),
        ]))

def sloka_block(deva_lines, roman_lines, meaning_lines, ref, s):
    """Render a sloka box with Devanagari, Roman transliteration, meaning, reference."""
    content = []
    for line in deva_lines:
        content.append(Paragraph(line, s['sloka_deva']))
    if roman_lines:
        content.append(Spacer(1, 2))
        for line in roman_lines:
            content.append(Paragraph(f'<i>{line}</i>', s['sloka_roman']))
    content.append(HRFlowable(width='80%', thickness=0.5, color=GOLD, spaceAfter=4, spaceBefore=4))
    content.append(Paragraph('Meaning / अर्थ:', s['meaning_label']))
    for line in meaning_lines:
        content.append(Paragraph(line, s['meaning_text']))
    if ref:
        content.append(Paragraph(f'— {ref}', s['ref_style']))

    inner = Table([[c] for c in content],
        colWidths=[W - 7*cm],
        style=TableStyle([
            ('BACKGROUND', (0,0), (-1,-1), SLOKA_BG),
            ('TOPPADDING', (0,0), (-1,-1), 3),
            ('BOTTOMPADDING', (0,0), (-1,-1), 2),
            ('LEFTPADDING', (0,0), (-1,-1), 8),
            ('RIGHTPADDING', (0,0), (-1,-1), 8),
        ]))

    outer = Table([[inner]],
        colWidths=[W - 4*cm],
        style=TableStyle([
            ('BOX', (0,0), (-1,-1), 1.5, SLOKA_BORDER),
            ('ROUNDEDCORNERS', [8,8,8,8]),
            ('TOPPADDING', (0,0), (-1,-1), 6),
            ('BOTTOMPADDING', (0,0), (-1,-1), 6),
            ('LEFTPADDING', (0,0), (-1,-1), 8),
            ('RIGHTPADDING', (0,0), (-1,-1), 8),
            ('BACKGROUND', (0,0), (-1,-1), SLOKA_BG),
        ]))
    return outer

def two_col_table(headers, rows, s, col_widths=None):
    if col_widths is None:
        col_widths = [(W-4*cm)*0.45, (W-4*cm)*0.55]
    data = [[Paragraph(h, s['table_header']) for h in headers]]
    for row in rows:
        data.append([Paragraph(str(c), s['table_cell']) for c in row])
    t = Table(data, colWidths=col_widths)
    ts = TableStyle([
        ('BACKGROUND', (0,0), (-1,0), SAFFRON),
        ('ROWBACKGROUNDS', (0,1), (-1,-1), [LIGHT_CREAM, white]),
        ('GRID', (0,0), (-1,-1), 0.5, HexColor('#CCCCCC')),
        ('FONTNAME', (0,0), (-1,0), 'DejaVuBold'),
        ('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), 'TOP'),
    ])
    t.setStyle(ts)
    return t

# ─────────────────────────────────────────
# Build document
# ─────────────────────────────────────────
def build():
    s = make_styles()
    out_path = '/home/daytona/workspace/shalakya-pdf/Shalakya_Tantra_Slokas.pdf'
    doc = SimpleDocTemplate(out_path, pagesize=A4,
        leftMargin=2*cm, rightMargin=2*cm, topMargin=2*cm, bottomMargin=2*cm)

    story = []

    # ══════════════════ COVER HEADER ══════════════════
    cover = Table([[Paragraph('SHALAKYA TANTRA', s['title_main']),],
                   [Paragraph('Complete Slokas with Devanagari, Transliteration & Meaning', s['title_sub'])],
                   [Paragraph('शालाक्य तन्त्र — नेत्र, शिरो, मुख रोग', ParagraphStyle('cover_deva', fontName='Deva', fontSize=15, textColor=GOLD, alignment=TA_CENTER, leading=22))]],
        colWidths=[W - 4*cm],
        style=TableStyle([
            ('BACKGROUND', (0,0), (-1,-1), DARK_BROWN),
            ('TOPPADDING', (0,0), (-1,-1), 10),
            ('BOTTOMPADDING', (0,0), (-1,-1), 10),
            ('LEFTPADDING', (0,0), (-1,-1), 16),
            ('RIGHTPADDING', (0,0), (-1,-1), 16),
            ('ROUNDEDCORNERS', [8,8,8,8]),
        ]))
    story.append(cover)
    story.append(Spacer(1, 0.4*cm))
    story.append(Paragraph('Reference: Sushruta Samhita | Ashtanga Hridayam | Vagbhata | Sharangdhara Samhita', s['note']))
    story.append(HRFlowable(width='100%', thickness=1.5, color=SAFFRON, spaceAfter=8, spaceBefore=4))
    story.append(Spacer(1, 0.3*cm))

    # ══════════════════ 1. SHALAKYA TANTRA DEFINITION ══════════════════
    story.append(section_header('1. SHALAKYA TANTRA — परिभाषा (Definition)', s))
    story.append(Spacer(1, 0.2*cm))

    story.append(KeepTogether([
        Paragraph('● Definition Sloka', s['sub_heading']),
        sloka_block(
            deva_lines=[
                'शालाक्येन क्रियते यत् तच्छालाक्यं तन्त्रम् उच्यते ।',
                'जत्रूर्ध्वगत-रोगाणां चिकित्सा यत्र वर्ण्यते ॥'
            ],
            roman_lines=[
                'Shalakye na kriyate yat tat shalakya tantra uchyate |',
                'Jatrurdhvagata-Roganam chikitsa yatra varnyate ||'
            ],
            meaning_lines=[
                'That branch of Ayurveda which is practised with the help of <b>Shalaka</b> (probe/instrument) is called <b>Shalakya Tantra</b>. It is that system where the treatment of all diseases situated <b>above the Jatru (clavicle)</b> — i.e., eyes, ears, nose, throat, mouth, teeth, and head — is described.',
                'It is also known as <b>Urdhwanga Chikitsa</b> (treatment of upper organs of the body).'
            ],
            ref='Sushruta Samhita, Sutrasthana; Ashtanga Hridayam',
            s=s
        ),
        Spacer(1, 0.2*cm),
    ]))

    story.append(KeepTogether([
        Paragraph('● Scope of Shalakya Tantra', s['sub_heading']),
        two_col_table(
            ['Organ (Hindi)', 'Disease Category'],
            [
                ['नेत्र (Netra) — Eye', 'Netra Roga (76 diseases)'],
                ['कर्ण (Karna) — Ear', 'Karna Roga (28 diseases)'],
                ['नासा (Nasa) — Nose', 'Nasa Roga (31 diseases)'],
                ['मुख (Mukha) — Mouth/Throat', 'Mukha Roga (65 diseases)'],
                ['शिर (Shira) — Head', 'Shiro Roga (11 types)'],
            ],
            s
        ),
        Spacer(1, 0.3*cm),
    ]))

    # ══════════════════ 2. NETRA ROGA ══════════════════
    story.append(section_header('2. NETRA ROGA — नेत्र रोग', s))
    story.append(Spacer(1, 0.2*cm))

    # 2a Samanya Nidan
    story.append(Paragraph('2a. Samanya Nidan (सामान्य निदान) — General Causative Factors', s['sub_heading']))
    story.append(KeepTogether([
        sloka_block(
            deva_lines=[
                'दूरेक्षणात् उष्णाभितप्तस्य जलप्रवेशात् ।',
                'स्वप्नविपर्ययाच्छोकात् क्रोधात् अभिघातात् ।।',
                'वेगावरोधात् छर्दिनिग्रहाच्च धूमनिषेवणात् ।',
                'सूक्ष्मनिरीक्षणाच्चापि नेत्ररोगाः प्रजायन्ते ॥'
            ],
            roman_lines=[
                'Doorekshanat ushnabhitaptasya jalapraveshat |',
                'Swapnaviparyayac chokat krodhad abhighatat ||',
                'Vegavarodhac chardi-nigrahac ca dhumani-sevanat |',
                'Sukshma-nirikshanacc api netra-rogah prajayante ||'
            ],
            meaning_lines=[
                '<b>Prolonged gazing at distant objects</b> (Doorekshanat), <b>entering cold water immediately after exposure to heat</b> (Ushnabhitaptasya jalapraveshat), <b>disturbed sleep</b> (Swapna viparyaya), <b>grief</b> (Shoka), <b>anger</b> (Krodha), <b>trauma to the eye</b> (Abhighata), <b>suppression of natural urges</b> (Vegavarodha), <b>suppression of vomiting</b> (Chardi nigraha), <b>exposure to smoke</b> (Dhooma nisevana), and <b>continuous observation of minute objects</b> (Sukshma nirikshanat) — these are the causes of Netra Rogas (eye diseases).'
            ],
            ref='Sushruta Samhita, Uttara Tantra 1 / A.H. Uttara 13',
            s=s
        ),
        Spacer(1, 0.2*cm),
    ]))

    # 2b Samprapti
    story.append(Paragraph('2b. Samprapti (सम्प्राप्ति) — Pathogenesis', s['sub_heading']))
    story.append(KeepTogether([
        sloka_block(
            deva_lines=[
                'दोषाः प्रकुपिताः सर्वे रूपवाहिसिरानुगाः ।',
                'दृष्टेः प्रथमपटले संश्रित्य विकृतिं गताः ।।',
                'अव्यक्तानि स रूपाणि सर्वाण्येव प्रपश्यति ।',
                'पटलक्रमशः दोषाः दृष्टिनाशं प्रकुर्वते ॥'
            ],
            roman_lines=[
                'Doshaha prakupitah sarve rupavahi-siranugah |',
                'Drishteha prathama-patale samshritya vikritim gatah ||',
                'Avyaktani sa rupani sarvanyeva prapashyati |',
                'Patala-kramashah doshaha drishti-nasham prakurvate ||'
            ],
            meaning_lines=[
                'The vitiated Doshas (Vata, Pitta, Kapha), flowing through the <b>Roopavahi Siras</b> (vessels carrying visual impulses), lodge in the <b>first Patala (layer)</b> of the Drishti (eye). As a result, the patient sees all objects as dim and indistinct (Avyakta). As the Doshas progressively involve deeper Patalas, they obstruct nutrition to the eye and ultimately lead to complete <b>loss of vision (Drishti Nasha)</b>.',
                'The sequence: <b>Nidana → Dosha Prakopa → Sanchara in Roopavahi Siras → Patala Lodgement → Dhatu Dushti → Roga Utpatti</b>'
            ],
            ref='Sushruta Samhita, Uttara Tantra 7 (Timira Pratishedha)',
            s=s
        ),
        Spacer(1, 0.2*cm),
    ]))

    # 2c Purvarupa
    story.append(Paragraph('2c. Purvarupa (पूर्वरूप) — Prodromal Symptoms', s['sub_heading']))
    story.append(KeepTogether([
        sloka_block(
            deva_lines=[
                'गुरुता विह्नयमाना रूपा परिप्लुतं तथा ।',
                'तोदो दाहश्च कण्डूश्च उपदेहश्च नेत्रयोः ।।',
                'नेत्ररोगस्य पूर्वरूपं अव्यक्तं च तथोच्यते ।'
            ],
            roman_lines=[
                'Guruta vihanyamana rupa pariplutam tatha |',
                'Todo dahas ca kandus ca upadehas ca netrayoh ||',
                'Netra-rogasya purvarupam avyaktam ca tathocyate |'
            ],
            meaning_lines=[
                '<b>Heaviness of the eyes</b> (Guruta), <b>occasional blurring of vision</b> (Vihanyamana Rupa), <b>watering of eyes</b> (Paripluta), <b>pricking sensation</b> (Toda), <b>burning sensation</b> (Daha), <b>itching</b> (Kandu), and <b>sticky secretion</b> (Upadeha) from the eyes — these are the Purvarupas (prodromal signs) of Netra Roga.',
                '<i>Note: No specific Purvarupa is mentioned for individual Netra Rogas; they are considered "Avyakta" (undefined/general).</i>'
            ],
            ref='Sushruta Samhita, Uttara Tantra / Vagbhata',
            s=s
        ),
        Spacer(1, 0.2*cm),
    ]))

    # 2d Samanya Chikitsa
    story.append(Paragraph('2d. Samanya Chikitsa (सामान्य चिकित्सा) — General Treatment', s['sub_heading']))
    story.append(KeepTogether([
        sloka_block(
            deva_lines=[
                'निदानपरिवर्जनं आहारः स्निग्धलघुः ।',
                'तर्पणं नस्यकर्म च विरेचनं तथैव च ।।',
                'क्रियाकल्पैः यथायोगं नेत्ररोगान् चिकित्सयेत् ।',
                'शोधनं शमनं चैव द्विविधं नेत्रचिकित्सितम् ॥'
            ],
            roman_lines=[
                'Nidana-parivarjanam aharah snigdha-laghuh |',
                'Tarpanam nasya-karma ca virecanam tathaiva ca ||',
                'Kriyakalpaih yathayogam netra-rogan cikistayet |',
                'Sodhanam samanam caiva dvividham netra-cikitsitam ||'
            ],
            meaning_lines=[
                'The Samanya (general) Chikitsa of Netra Roga consists of:',
                '1. <b>Nidana Parivarjana</b> — Avoiding all causative factors',
                '2. <b>Ahara</b> — Light, unctuous, nourishing diet (avoid ushna/katu/kshara foods)',
                '3. <b>Netra Tarpana</b> — Nourishing eye therapy with medicated ghee',
                '4. <b>Nasya Karma</b> — Nasal administration of medicated oils',
                '5. <b>Virechana</b> — Purgation to eliminate vitiated Doshas',
                '6. <b>Kriyakalpa</b> — Local ophthalmic therapeutic procedures',
                'Treatment is of two kinds: Shodhana (purification) and Shamana (pacification).'
            ],
            ref='Sushruta Samhita, Uttara Tantra 18; A.H. Uttara 16',
            s=s
        ),
        Spacer(1, 0.2*cm),
    ]))

    # ══════════════════ 3. DRISHTI ══════════════════
    story.append(section_header('3. DRISHTI — दृष्टि (Definition)', s, color=GREEN))
    story.append(Spacer(1, 0.2*cm))
    story.append(KeepTogether([
        sloka_block(
            deva_lines=[
                'दृश् + क्तिन् = दृष्टिः ।',
                'दृश्यते अनया इति दृष्टिः ।',
                'पञ्चधातुमयी दृष्टिः तेजोमण्डलसंज्ञिता ।।',
                'आलोचकपित्तेन संयुक्ता नेत्रकार्यं करोति सा ॥'
            ],
            roman_lines=[
                'Drig + Ktin = Drishtihi |',
                'Drishyate anaya iti drishtihi |',
                'Pancha-dhatumayee drishtihi tejo-mandala-samjnita ||',
                'Alochaka-pittena samyukta netra-karyam karoti sa ||'
            ],
            meaning_lines=[
                '<b>Etymology:</b> Derived from "Drish" (to see) + "Ktin" pratyaya = Drishti. Meaning: "That by which one sees."',
                '<b>Definition:</b> Drishti is the <b>functional unit of the eye</b>, composed of all five Dhatus (Pancha-Dhatumaya). It is not merely an anatomical structure but the complete visual apparatus of the inner eyeball. It is governed by <b>Alochaka Pitta</b> and <b>Teja Mahabhuta</b> (fire element) and performs the function of vision.',
                '<b>Interpretations by different Acharyas:</b> (1) Retina — explains diseases like Pitta Vidagdha Drishti; (2) Vision/visual faculty; (3) Drishti Mandala = Pupil; (4) Drishti Mani = Crystalline Lens',
                'There are <b>six Patalas</b> (layers) of Drishti. Diseases of Drishti (Drishtigata Rogas) are the most important in Netra Roga.'
            ],
            ref='Sushruta Samhita, Sharira 3; Vagbhata, Ashtanga Hridayam',
            s=s
        ),
        Spacer(1, 0.2*cm),
    ]))

    # ══════════════════ 4. PATALAGATA TIMIRA ══════════════════
    story.append(section_header('4. PATALAGATA TIMIRA — पटलगत तिमिर', s))
    story.append(Spacer(1, 0.2*cm))

    # Timira definition
    story.append(Paragraph('● Timira — Definition & Etymology', s['sub_heading']))
    story.append(KeepTogether([
        sloka_block(
            deva_lines=[
                'तिमि + किरच् = तिमिर ।',
                'तिमिरस्य रिपुः सूर्यः — हलायुधकोश ।',
                'यस्य दोषाः दृष्टौ व्यवस्थिताः — अव्यक्तानि रूपाणि सर्वाणि प्रपश्यति ॥'
            ],
            roman_lines=[
                'Timi + Kirach = Timira (Unadi Sutra)',
                'Timirasya ripuh suryah — Halayudha Kosha',
                'Yasya doshah drishti vyavasthitah — avyaktani rupani sarvani prapashyati ||'
            ],
            meaning_lines=[
                '<b>Timira</b> means "darkness" — derived from "Timi + Kirach" (Unadi Sutra). Halayudha Kosha states "Timirasya ripuh Suryah" — the enemy of Timira is the Sun.',
                'When vitiated Doshas lodge in the Patalas of the Drishti, the patient sees all objects as dim/hazy = <b>Timira</b>.',
                '<b>Progression:</b> 1st & 2nd Patala = Timira | 3rd Patala = Kacha (cataract) | 4th Patala = Linganasha (blindness)'
            ],
            ref='Su. Uttara 7; A.H. Uttara 12',
            s=s
        ),
        Spacer(1, 0.2*cm),
    ]))

    # Dvitiya
    story.append(Paragraph('● Dvitiya Patalagata Timira — द्वितीय पटलगत तिमिर (2nd Patala)', s['sub_heading']))
    story.append(KeepTogether([
        sloka_block(
            deva_lines=[
                'द्वितीये तु मक्षिका-मत्स्य-केश-जालाः ।',
                'मेघतारका-अभ्र-अन्धकारान् पश्यति असत्यान् ।।',
                'आसन्नस्थं दूरस्थं दूरस्थं आसन्नं इव पश्यति ।',
                'सूच्यां सूत्रं प्रवेशयितुं न शक्यते ।।',
                'मुखस्य एकदेशः अपि दृश्यते न इव ।',
                'विपर्यस्तं दृष्टं च समसं स्मृतम् ॥'
            ],
            roman_lines=[
                'Dvitiye tu makshika-matsya-kesha-jalah |',
                'Megha-taraka-abhra-andhakaran pashyati asatyan ||',
                'Asannastham durastham durastham asannam iva pashyati |',
                'Sucyam sutram praveshayitum na shakyate ||',
                'Mukhasya ekadeshah api drishyate na iva |',
                'Viparyastam drishtam ca samasam smritam ||'
            ],
            meaning_lines=[
                'When the vitiated Doshas are lodged in the <b>Second Patala</b>, the patient experiences:',
                '1. Sees non-existent objects: <b>flies, fish, hairs, nets</b> (Makshika, Matsya, Kesha, Jala) — Modern: <b>Floaters (Muscae volitantes)</b>',
                '2. Sees <b>stars, clouds, lightning, darkness</b> in their absence — Modern: <b>Photopsia / Metamorphopsia</b>',
                '3. <b>Near objects appear far, far objects appear near</b> — Modern: <b>Loss of depth perception</b>',
                '4. <b>Unable to thread a needle</b> (Suchi vyadhana ashakya) — Modern: <b>Presbyopia / fine detail loss</b>',
                '5. <b>Cannot see parts of a face</b> — Modern: <b>Scotoma (visual field defect)</b>',
                '6. Objects appear doubled/bifurcated (Viparyasta) — Modern: <b>Diplopia</b>',
                '<i>Modern Correlation: Vitreous floaters, early retinal changes, metamorphopsia</i>'
            ],
            ref='Sushruta Samhita, Uttara Tantra 7/8-10; A.H. Uttara 12',
            s=s
        ),
        Spacer(1, 0.2*cm),
    ]))

    # Tritiya
    story.append(Paragraph('● Tritiya Patalagata Timira — तृतीय पटलगत तिमिर = काच (3rd Patala)', s['sub_heading']))
    story.append(KeepTogether([
        sloka_block(
            deva_lines=[
                'तृतीये रागप्राप्तिः — वातात् रक्तकृष्णः ।',
                'पित्तात् पीतः नीलश्च, कफात् शुक्लः भवेत् ।।',
                'रक्तात् रक्तः, सन्निपाताज्जातः नानावर्णः ।',
                'एतत् काचाख्यं रोगं विद्यात् ॥'
            ],
            roman_lines=[
                'Tritiye raga-praptih — vatat rakta-krishnah |',
                'Pittat pitah nilas ca, kaphat shuklah bhavet ||',
                'Raktat raktah, sannipatatjatah nana-varnah |',
                'Etat kaca-akhyam rogam vidyat ||'
            ],
            meaning_lines=[
                'When the vitiated Doshas are lodged in the <b>Third Patala</b>, the patient perceives <b>various colors</b> depending on the Dosha involved — this condition is called <b>KACHA</b> (Cataract):',
                '• <b>Vataja</b> — Reddish-black colored vision (Rakta-Krishna varna)',
                '• <b>Pittaja</b> — Yellow or blue colored vision (Peeta / Nila varna)',
                '• <b>Kaphaja</b> — White colored vision (Shukla varna) — Classic white mature cataract',
                '• <b>Raktaja</b> — Red colored vision (Rakta varna)',
                '• <b>Sannipataja</b> — Multiple mixed colors (Nana varna) — Complicated cataract',
                '<b>Kacha</b> = Immature/mature cataract. Vision severely impaired; fine work impossible.',
                'Progression to 4th Patala = <b>Linganasha</b> (total blindness / light perception lost).',
                '<i>Modern Correlation: Mature/hypermature cataract; vitreous opacification</i>'
            ],
            ref='Sushruta Samhita, Uttara Tantra 7/11-14; Ashtanga Hridayam, Uttara 13',
            s=s
        ),
        Spacer(1, 0.2*cm),
    ]))

    # ══════════════════ 5. KRIYAKALPA ══════════════════
    story.append(section_header('5. KRIYAKALPA — क्रियाकल्प', s, color=HexColor('#6A1B9A')))
    story.append(Spacer(1, 0.2*cm))

    story.append(Paragraph('● Definition', s['sub_heading']))
    story.append(KeepTogether([
        sloka_block(
            deva_lines=[
                'क्रिया च कल्पश्च — क्रियाकल्पः ।',
                'क्रिया = रोगनाशकं चिकित्साकर्म ।',
                'कल्पः = रोगानुसारं औषध-विधान-व्यवस्था ।।',
                'यथा पञ्चकर्म कायचिकित्सायाम् ।',
                'तथा क्रियाकल्पः नेत्रचिकित्सायाम् ॥'
            ],
            roman_lines=[
                'Kriya ca kalpas ca — Kriyakalpah |',
                'Kriya = Roga-nashakam chikitsa-karma |',
                'Kalpah = Roganusamam aushadha-vidhana-vyavastha ||',
                'Yatha Panchakarma Kayachikitsayam |',
                'Tatha Kriyakalpah Netrachikitsayam ||'
            ],
            meaning_lines=[
                '<b>Kriyakalpa</b> is a compound word: <b>Kriya</b> = the therapeutic procedure carried out to cure the disease; <b>Kalpa</b> = the specific medicine/formulation prescribed for that particular disease.',
                'Kriyakalpa is the <b>specific local therapeutic procedure for Netra Rogas</b> — it is a type of <b>Bahyaparimarjana Chikitsa</b> (external therapeutic treatment).',
                'Just as <b>Panchakarma is the foundation of treatment in Kayachikitsa</b> (general medicine), <b>Kriyakalpa is the foundation of treatment in Netra Chikitsa</b> (ophthalmology).',
                'Acharya Bhavaprakasha terms these as <b>"Netra Svachikarana Kriya"</b> — procedures for cleansing and maintaining the eyes.'
            ],
            ref='Sushruta Samhita, Uttara Tantra 18; Vagbhata; Sharangdhara Samhita',
            s=s
        ),
        Spacer(1, 0.2*cm),
    ]))

    story.append(Paragraph('● Types / Bheda of Kriyakalpa', s['sub_heading']))
    story.append(KeepTogether([
        sloka_block(
            deva_lines=[
                'सुश्रुतमते पञ्चविधाः क्रियाकल्पाः ।',
                'तर्पणं पुटपाकश्च सेकः आश्चयोतनं अञ्जनम् ।।',
                'वाग्भटमते सप्तविधाः क्रियाकल्पाः ।',
                'तर्पणं पुटपाकश्च सेकः आश्चयोतनं अञ्जनम् ।',
                'पिण्डी बिडालकं चैव — सप्त नेत्रप्रसादनाः ॥'
            ],
            roman_lines=[
                'Sushruta-mate pancha-vidhah Kriyakalpah |',
                'Tarpanam Putapakas ca Sekah Ashcyotanam Anjanam ||',
                'Vagbhata-mate sapta-vidhah Kriyakalpah |',
                'Tarpanam Putapakas ca Sekah Ashcyotanam Anjanam |',
                'Pindi Bidalakam caiva — sapta Netra-prasadanah ||'
            ],
            meaning_lines=[
                '<b>According to Acharya Sushruta (5 types):</b>',
                '1. Tarpana  2. Putapaka  3. Seka  4. Aschyotana  5. Anjana',
                '<b>According to Acharya Vagbhata / Sharangdhara (7 types):</b>',
                '1. Tarpana  2. Putapaka  3. Seka  4. Aschyotana  5. Anjana  6. Pindi  7. Bidalaka',
                'Sharangdhara calls all seven — <b>"Netra Prasadan Karma"</b> (procedures that maintain proper eye function without harmful side effects).',
                '<i>Note: Sushruta does not separately list Pindi and Bidalaka; Vagbhata and Sharangdhara added them.</i>'
            ],
            ref='Sushruta Samhita, Uttara Tantra 18; Ashtanga Hridayam, Uttara 26; Sharangdhara Samhita',
            s=s
        ),
        Spacer(1, 0.2*cm),
    ]))

    # ══════════════════ 6. INDIVIDUAL KRIYAKALPAS ══════════════════
    story.append(section_header('6. INDIVIDUAL KRIYAKALPAS — व्यक्तिगत क्रियाकल्प', s, color=HexColor('#1565C0')))
    story.append(Spacer(1, 0.2*cm))

    # Bidalaka
    story.append(Paragraph('6a. BIDALAKA — बिडालक (Definition)', s['sub_heading']))
    story.append(KeepTogether([
        sloka_block(
            deva_lines=[
                'बिड = बिडाल (बिल्ली), आलक = नेत्र ।',
                'बिडालकर्मणः पश्चात् नेत्रं बिडालनेत्रवत् दृश्यते ।।',
                'निमीलितनेत्रपक्ष्मवर्जं बहिः लेपः बिडालकम् ।',
                'दाह-उपदेह-अश्रुस्राव-शोफ-राग-कण्डू-हरम् ॥'
            ],
            roman_lines=[
                'Bida = Bidala (cat), Alaka = eyes |',
                'Bidalakarmano paschhat netram bidalana-tram vat drishyate ||',
                'Nimilita-netra-pakshmavrajam bahih lepah Bidalakam |',
                'Daha-upadeha-ashrusrava-shopha-raga-kandu-haram ||'
            ],
            meaning_lines=[
                '<b>Etymology:</b> "Bida/Bidala" = Cat + "Alaka" = Eyes. After application of Bidalaka, the eyes resemble the eyes of a <b>cat (Bidalakshi)</b>.',
                '<b>Definition:</b> Application of <b>medicated paste on the outer surface of the closed eyelids</b>, leaving the eyelashes (Pakshma) free. It is a type of <b>Lepa Kalpana</b> (paste application therapy).',
                '<b>Mechanism:</b> Active drug principles are absorbed through Siramukha and Swedavahi Srotas; Bhrajaka Pitta causes absorption into deeper tissues.',
                '<b>Indications:</b> Daha (burning), Updeha (sticky discharge), Ashrusrava (watering), Shopha (swelling), Raga (redness), Kandu (itching), Gharshana (foreign body sensation), Arma (pterygium), Pitta Abhishyanda (conjunctivitis), acute eye conditions.'
            ],
            ref='Sushruta Samhita, Uttara Tantra 18; Sharangdhara Samhita; IJPRA Journal',
            s=s
        ),
        Spacer(1, 0.2*cm),
    ]))

    # Seka
    story.append(Paragraph('6b. SEKA — सेक (Definition)', s['sub_heading']))
    story.append(KeepTogether([
        sloka_block(
            deva_lines=[
                'द्रवौषधस्य धारया नेत्रोपरि सेचनं सेकः ।',
                'उत्तमबलरोगे च सेकः प्रशस्यते ।।',
                'द्व्यङ्गुलात् उपरि धारां पातयेत् ।',
                'भिषग्वरः सेकं दद्यात् उत्तमबले रोगे ॥'
            ],
            roman_lines=[
                'Dravaushadhasya dharaya netropari secanam Sekah |',
                'Uttama-bala-roge ca Sekah prashasyate ||',
                'Dvyangulat upari dharam patayet |',
                'Bhisagvarah Sekam dadyat uttamabale roge ||'
            ],
            meaning_lines=[
                '<b>Definition:</b> Seka is the procedure of <b>pouring a continuous, uninterrupted stream of medicated liquid over the closed eyes</b> from a specific height.',
                '<b>Key Points:</b>',
                '• The liquid is poured from a height of approximately <b>2 Angulas (finger-breadths)</b> above the eye',
                '• It is indicated in diseases of <b>Uttama Bala (severe/intense form)</b>',
                '• More effective for acute inflammatory and painful conditions',
                '• The stream must be continuous — not drop-by-drop',
                '<b>Indication:</b> Severe burning, acute pain, intense redness, acute inflammatory eye diseases'
            ],
            ref='Sushruta Samhita, Uttara Tantra 18; A.H. Uttara 26',
            s=s
        ),
        Spacer(1, 0.2*cm),
    ]))

    # Pindi
    story.append(Paragraph('6c. PINDI — पिण्डी (Definition)', s['sub_heading']))
    story.append(KeepTogether([
        sloka_block(
            deva_lines=[
                'वस्त्रवेष्टितपिण्डधारणं पिण्डी ।',
                'बिडालकस्य विशेषरूपं पिण्डी ।।',
                'औषधलेपेन पूरितं वस्त्रखण्डं ।',
                'निमीलितनेत्रोपरि दृढं धारयेत् ॥'
            ],
            roman_lines=[
                'Vastra-veshthita-pinda-dharanam Pindi |',
                'Bidalakasya vishesha-rupam Pindi ||',
                'Aushadha-lepena puritam vastra-khandam |',
                'Nimilita-netropari dridham dharayet ||'
            ],
            meaning_lines=[
                '<b>Definition:</b> Pindi is a <b>modification of Bidalaka</b>. Instead of directly applying the medicinal paste to the eyelid, the paste is <b>packed inside a thick cotton cloth</b> (Vastra), and this medicated bolus/poultice is kept tightly over the closed eyelids.',
                '<b>Literally:</b> Vastra-veshthita Pinda (cloth-bound ball) + Dharana (placement) = Pindi',
                '<b>Key difference from Bidalaka:</b> In Bidalaka, paste is applied directly; in Pindi, the paste is enclosed in cloth — gentler, suitable when direct application may cause irritation.',
                '<b>Indication:</b> Same as Bidalaka — acute inflammatory conditions, swelling, burning, when direct paste application is not suitable.'
            ],
            ref='Sushruta Samhita, Uttara Tantra 18; Sharangdhara Samhita 3',
            s=s
        ),
        Spacer(1, 0.2*cm),
    ]))

    # Ascyotana
    story.append(Paragraph('6d. ASCHYOTANA — आश्चयोतन (Definition)', s['sub_heading']))
    story.append(KeepTogether([
        sloka_block(
            deva_lines=[
                'आश्चयोतनं प्रथमं क्रियाकल्पेषु उच्यते ।',
                'औषधबिन्दूनां पातनं नेत्रे आश्चयोतनम् ।।',
                'द्व्यङ्गुलात् उपरि दशबिन्दून् पातयेत् ।',
                'सर्वनेत्ररोगेषु आश्चयोतनं प्रथमाश्रयः ॥'
            ],
            roman_lines=[
                'Ashcyotanam prathamam kriyakalpesu ucyate |',
                'Aushadha-bindunam patanam netre Ashcyotanam ||',
                'Dvyangulat upari dasha-bindun patayet |',
                'Sarva-netra-rogesu Ashcyotanam prathama-ashrayah ||'
            ],
            meaning_lines=[
                '<b>Definition:</b> Aschyotana is the <b>instillation of medicated drops (Bindu) into the eyes</b> — it is the Ayurvedic eye drop therapy.',
                '<b>Key Points:</b>',
                '• It is the <b>FIRST and primary Kriyakalpa</b> — the first line of treatment among all Kriyakalpas',
                '• Drops are instilled from approximately <b>2 Angulas height</b> above the eye',
                '• Quantity: approximately <b>10 Bindu (drops)</b> per session',
                '• Both liquid medicines (Kashaya, Swarasa) and medicated oils can be used',
                '• Duration and formulation tailored to the aggravated Dosha',
                '<b>Indication:</b> Suitable for almost all Netra Rogas as initial treatment — redness, itching, watering, mild pain, discharge'
            ],
            ref='Sushruta Samhita, Uttara Tantra 18; A.H. Uttara 26',
            s=s
        ),
        Spacer(1, 0.2*cm),
    ]))

    # ══════════════════ 7. TARPANA ══════════════════
    story.append(section_header('7. TARPANA — तर्पण (Samyak / Hinayoga / Atiyoga)', s, color=GREEN))
    story.append(Spacer(1, 0.2*cm))

    # Tarpana definition
    story.append(KeepTogether([
        sloka_block(
            deva_lines=[
                'तर्पयति नेत्रं इति तर्पणम् ।',
                'मेदोद्रव्यैः सम्पूर्णं पिष्टवर्त्म ।।',
                'निमिषोन्मिषणं कुर्यात् यावत् तृप्तिं नेत्रयोः ।',
                'नेत्रबस्ती इति च अपरनाम तर्पणम् ॥'
            ],
            roman_lines=[
                'Tarpayati netram iti Tarpanam |',
                'Medo-dravyaih sampurnam pishta-vartma ||',
                'Nimisha-unmishanam kuryat yavat triptim netrayoh |',
                'Netrabasti iti ca apara-nama Tarpanam ||'
            ],
            meaning_lines=[
                '<b>Definition:</b> "That which satisfies (Tarpayati) the eyes is called Tarpana." It is the procedure in which <b>medicated Ghrita (clarified butter) is retained over the eyes</b> within a flour dough boundary, and the patient is asked to blink (Nimisha-Unmishana) until complete nourishment is achieved.',
                'Also known as <b>Netra Basti</b>. Commonly used Ghritas: Triphaladi Ghrita, Mahatriphaladi Ghrita, Patoladi Ghrita, Jivantyadi Ghrita, Shatavaryadi Ghrita.'
            ],
            ref='Sushruta Samhita, Uttara Tantra 18; A.H. Uttara 26',
            s=s
        ),
        Spacer(1, 0.2*cm),
    ]))

    # Samyak
    story.append(Paragraph('● Samyak Tarpana Lakshana (सम्यक् तर्पण लक्षण) — Proper Tarpana Signs', s['sub_heading']))
    story.append(KeepTogether([
        sloka_block(
            deva_lines=[
                'लाघवं प्रहर्षश्च तेजः दृष्टिप्रसादता ।',
                'स्वेदः विकसितं नेत्रं दोषशमनं तथा ।।',
                'आनन्दः वायुनिग्रहश्च — सम्यक् तर्पणलक्षणम् ॥'
            ],
            roman_lines=[
                'Laghavam praharshash ca tejah drishti-prasadita |',
                'Svedah vikasitam netram dosha-shamanam tatha ||',
                'Anandah vayu-nigrahash ca — samyak tarpana-lakshanam ||'
            ],
            meaning_lines=[
                'Signs that indicate correct/proper Tarpana has been performed:',
                '• <b>Laghuta</b> — Lightness and relief in the eyes',
                '• <b>Praharsha</b> — Cheerfulness and comfort of the eyes',
                '• <b>Tejas</b> — Increased brightness/brilliance of vision',
                '• <b>Drishti Prasada</b> — Clarity and improved visual acuity',
                '• <b>Sveda</b> — Mild perspiration around the eyes',
                '• <b>Vikasita Akshi</b> — Eyes appear well-opened, fresh, and clear',
                '• <b>Dosha Shamana</b> — Relief from presenting symptoms (burning, pain, dryness)',
                '• <b>Vayu Nigraha</b> — Control of Vata dosha in the eye region'
            ],
            ref='Sushruta Samhita, Uttara Tantra 18/43-44; A.H. Uttara 26',
            s=s
        ),
        Spacer(1, 0.2*cm),
    ]))

    # Hinayoga
    story.append(Paragraph('● Tarpana Hinayoga Lakshana (हीनयोग) — Under-dose Signs', s['sub_heading']))
    story.append(KeepTogether([
        sloka_block(
            deva_lines=[
                'तर्पणे हीनयोगे तु — गुरुता तोदः कण्डूः ।',
                'रूक्षता अविलदृष्टिः च उपशयाभावः ।।',
                'अशुद्धनेत्रता भवति — दोषाः न शाम्यन्ति ।',
                'एतत् हीनयोगस्य तर्पणस्य लक्षणम् ॥'
            ],
            roman_lines=[
                'Tarpane hinayoge tu — guruta todah kanduh |',
                'Rukshata avila-drishtihi ca upashaya-abhavah ||',
                'Ashuddha-netrata bhavati — doshaha na shamyanti |',
                'Etat hina-yogasya tarpanasya lakshanam ||'
            ],
            meaning_lines=[
                'Signs indicating Tarpana was performed for <b>insufficient time or with insufficient quantity</b> (Hinayoga = under-dose):',
                '• <b>Guruta</b> — Heaviness of the eyes persists',
                '• <b>Toda</b> — Pricking/stabbing pain continues',
                '• <b>Kandu</b> — Itching remains unresolved',
                '• <b>Rukshata</b> — Dryness of eyes persists',
                '• <b>Avila Drishti</b> — Vision remains turbid/blurred',
                '• <b>Ashuddha Netra</b> — Eyes not properly cleansed',
                '• <b>No relief</b> from the presenting complaints — Doshas not pacified'
            ],
            ref='Sushruta Samhita, Uttara Tantra 18/45; A.H. Uttara 26',
            s=s
        ),
        Spacer(1, 0.2*cm),
    ]))

    # Atiyoga
    story.append(Paragraph('● Tarpana Atiyoga Lakshana (अतियोग) — Over-dose Signs', s['sub_heading']))
    story.append(KeepTogether([
        sloka_block(
            deva_lines=[
                'तर्पणे अतियोगे तु — अङ्गमर्दः शिरोगुरुता ।',
                'ज्वरः अरोचकः छर्दिः च नेत्रशोफः ।।',
                'नेत्ररागः कफविकारश्च अतिलक्रिमेशनम् ।',
                'दृष्टिः अविला भवति — एतत् अतियोगलक्षणम् ॥'
            ],
            roman_lines=[
                'Tarpane atiyoge tu — anga-mardah shiro-guruta |',
                'Jvarah arochakah chardihi ca netra-shophas ||',
                'Netra-ragah kapha-vikarash ca ati-lacrimeshanam |',
                'Drishtihi avila bhavati — etat atiyoga-lakshanam ||'
            ],
            meaning_lines=[
                'Signs indicating Tarpana was performed for <b>excessive duration or with excessive quantity</b> (Atiyoga = over-dose):',
                '• <b>Angamarda</b> — Body ache and malaise',
                '• <b>Shiroguruta</b> — Heaviness of the head',
                '• <b>Jwara</b> — Fever',
                '• <b>Arochaka</b> — Loss of appetite/anorexia',
                '• <b>Chardi</b> — Nausea and vomiting',
                '• <b>Netra Shopha</b> — Swelling/edema of the eyelids',
                '• <b>Netra Raga</b> — Excessive redness of the eyes',
                '• <b>Kapha Vikara</b> — Excessive lacrimation, discharge',
                '• <b>Avila Drishti</b> — Paradoxical worsening of vision (blurring)'
            ],
            ref='Sushruta Samhita, Uttara Tantra 18/46-47; A.H. Uttara 26',
            s=s
        ),
        Spacer(1, 0.2*cm),
    ]))

    # ══════════════════ 8. SHIROROGA NIDAN ══════════════════
    story.append(section_header('8. SHIROROGA NIDAN — शिरोरोग निदान', s, color=HexColor('#B71C1C')))
    story.append(Spacer(1, 0.2*cm))

    story.append(KeepTogether([
        sloka_block(
            deva_lines=[
                'बाष्पनिग्रहात् अतिरोदनात् अतिस्वप्नात् ।',
                'अतिप्रजागरणात् आतपसेवनात् ।।',
                'क्रोधशोककृच्छ्राद् वेगावरोधाद् एव च ।',
                'उत्सेधात् अभिघातात् अम्बुक्रीडाद् अपि ।।',
                'धूमनिषेवणाद् उष्णातिसेवनात् ।',
                'शिरोरोगाः प्रजायन्ते दोषकोपाद् ॥'
            ],
            roman_lines=[
                'Bashpa-nigrahad ati-rodanat ati-svapnat |',
                'Atiprajagaranat atapa-sevanat ||',
                'Krodha-shoka-kricchhrad vegavarodhad eva ca |',
                'Utsedhat abhighatat ambu-kridad api ||',
                'Dhooma-nishevaned ushna-atisevanat |',
                'Shiro-rogah prajayante dosha-kopad ||'
            ],
            meaning_lines=[
                'Causative factors (Nidana) of Shiroroga:',
                '• <b>Baashpa Nigraha</b> — Withholding strong emotions, suppressing tears',
                '• <b>Atirodana</b> — Excessive crying',
                '• <b>Ati Svapna / Ati Prajagara</b> — Excessive sleep OR excessive wakefulness',
                '• <b>Atapa Sevana</b> — Excessive sun exposure',
                '• <b>Krodha, Shoka, Kleshha</b> — Anger, grief, mental stress',
                '• <b>Vegavarodha</b> — Suppression of natural urges',
                '• <b>Utsedha / Abhighata</b> — Swelling/inflammation or head trauma',
                '• <b>Ambukreeda</b> — Prolonged water activities',
                '• <b>Dhooma Nisevana</b> — Excessive smoking/smoke inhalation',
                '• <b>Ushna Ati Sevana</b> — Excessive intake of hot substances',
                'All these cause <b>Dosha Prakopa (aggravation of Doshas)</b> leading to 11 types of Shiroroga including Vataja, Pittaja, Kaphaja, Sannipataja, Raktaja, Suryavarta (migraine), Ardhavabhedaka (cluster headache), Anantavata, Shankhaka.'
            ],
            ref='Sushruta Samhita, Uttara Tantra 26; A.H. Uttara 24 (Shiroroga Pratishedha)',
            s=s
        ),
        Spacer(1, 0.2*cm),
    ]))

    # Types of Shiroroga table
    story.append(Paragraph('● 11 Types of Shiroroga', s['sub_heading']))
    story.append(two_col_table(
        ['Type (Shiroroga)', 'Description / Modern Correlation'],
        [
            ['Vataja Shiroroga', 'Hammering pain; anxiety, neck/shoulder pain, constipation'],
            ['Pittaja Shiroroga', 'Burning pain at temples; hyperacidity, nausea, irritability'],
            ['Kaphaja Shiroroga', 'Heavy, dull pain; mucus, cold feeling'],
            ['Sannipataja Shiroroga', 'Mixed symptoms of all three Doshas'],
            ['Raktaja Shiroroga', 'Intense pain; cannot touch the head; local blood vitiation'],
            ['Kshayaja Shiroroga', 'Due to tissue depletion (Dhatu Kshaya)'],
            ['Krimija Shiroroga', 'Due to parasites/organisms'],
            ['Suryavarta', 'Pain increases with sunrise, peaks at noon; = Migraine'],
            ['Anantavata', 'Muscular origin; neck/shoulder stress; = Tension Headache'],
            ['Ardhavabhedaka', 'One-sided bursts of severe pain; = Cluster Headache'],
            ['Shankhaka', 'Violent pain in temples; all 3 Doshas; life-threatening'],
        ],
        s,
        col_widths=[(W-4*cm)*0.38, (W-4*cm)*0.62]
    ))
    story.append(Spacer(1, 0.3*cm))

    # ══════════════════ 9. MUKHAROGA NIDAN ══════════════════
    story.append(section_header('9. MUKHAROGA NIDAN — मुखरोग निदान (with Sloka)', s, color=HexColor('#4A148C')))
    story.append(Spacer(1, 0.2*cm))

    story.append(KeepTogether([
        sloka_block(
            deva_lines=[
                'अतिभोजनमिथ्याहारकटुतीक्ष्णातिसेवनात् ।',
                'दिवास्वप्नात् रात्रिजागरणात् वेगावरोधाद् एव च ।।',
                'अत्युष्णभोजनसेवात् असुचिधारणात् तथा ।',
                'दन्तमलमलसञ्चयान्मुखरोगाः प्रजायन्ते ।।',
                'क्रिमिभिः अभिघातेन रसायनात्यम्लात् च ।',
                'प्रदुष्टदन्तकाष्ठात् षष्टिपञ्च मुखामयाः ॥'
            ],
            roman_lines=[
                'Atibhojana-mithyahara-katu-tikshna-atisevanat |',
                'Divasvapnat ratri-jagaranat vegavarodhad eva ca ||',
                'Atushna-bhojana-sevat ashuci-dharanat tatha |',
                'Danta-mala-mala-sancayat mukha-rogah prajayante ||',
                'Krimibhih abhighatena rasayana-atyamlat ca |',
                'Pradushta-danta-kashthat shashti-panca mukhamayah ||'
            ],
            meaning_lines=[
                '<b>Meaning:</b> Mukharogas (oral/mouth diseases) are caused by:',
                '• <b>Atibhojana</b> — Overeating',
                '• <b>Mithyahara</b> — Improper/unwholesome diet',
                '• <b>Katu, Tikshna Ati Sevana</b> — Excess intake of pungent, sharp, hot foods',
                '• <b>Divasvapna</b> — Daytime sleep',
                '• <b>Ratri Jagrana</b> — Excessive night-waking',
                '• <b>Vegavarodha</b> — Suppression of natural urges',
                '• <b>Ati Ushna Bhojana</b> — Consuming excessively hot food',
                '• <b>Ashuci Dharana</b> — Poor oral hygiene/cleanliness',
                '• <b>Danta Mala Sanchaya</b> — Accumulation of dental plaque/tartar',
                '• <b>Krimi</b> — Oral parasites/organisms',
                '• <b>Abhighata</b> — Trauma to the oral cavity',
                '• <b>Pradushta Danta Kastha</b> — Use of contaminated/improper tooth-stick',
                '• <b>Ati Amla Sevana</b> — Excessive intake of sour foods',
                'Total: <b>65 Mukharogas</b> are described in Sushruta Samhita, divided among Oshtha (lips), Danta (teeth), Dantamoola (gums), Jihva (tongue), Taalu (palate), Kantha (throat), and Sarvasar (whole mouth).'
            ],
            ref='Sushruta Samhita, Nidana Sthana; Su. Uttara 21-23; A.H. Uttara 21',
            s=s
        ),
        Spacer(1, 0.2*cm),
    ]))

    # Types table
    story.append(Paragraph('● 65 Mukharogas — Classification', s['sub_heading']))
    story.append(two_col_table(
        ['Region (Sthan)', 'No. of Diseases'],
        [
            ['ओष्ठ रोग (Oshtha Roga) — Lip diseases', '8'],
            ['दन्त रोग (Danta Roga) — Tooth diseases', '8'],
            ['दन्तमूल रोग (Dantamoola Roga) — Gum diseases', '15'],
            ['जिह्वा रोग (Jihva Roga) — Tongue diseases', '5'],
            ['तालु रोग (Taalu Roga) — Palate diseases', '9'],
            ['कण्ठ रोग (Kantha Roga) — Throat diseases', '17'],
            ['सर्वसार रोग (Sarvasar Roga) — Whole mouth', '3'],
            ['TOTAL', '65'],
        ],
        s,
        col_widths=[(W-4*cm)*0.72, (W-4*cm)*0.28]
    ))
    story.append(Spacer(1, 0.3*cm))

    # Footer
    story.append(HRFlowable(width='100%', thickness=1, color=SAFFRON, spaceAfter=6, spaceBefore=6))
    footer_data = [[
        Paragraph('References: Sushruta Samhita (Uttara Tantra) | Ashtanga Hridayam (Uttara Sthana) | Vagbhata | Sharangdhara Samhita', s['note']),
    ]]
    story.append(Table(footer_data, colWidths=[W-4*cm],
        style=TableStyle([
            ('BACKGROUND', (0,0), (-1,-1), CREAM),
            ('TOPPADDING', (0,0), (-1,-1), 6),
            ('BOTTOMPADDING', (0,0), (-1,-1), 6),
            ('LEFTPADDING', (0,0), (-1,-1), 12),
        ])))

    doc.build(story)
    print(f"PDF created: {out_path}")
    return out_path

if __name__ == '__main__':
    build()

Successfully replaced 1 instance(s) of the string in '/home/daytona/workspace/shalakya-pdf/generate_pdf.py'