Drugs and Cosmetics Act, 1940 - Complete High-Yield Study Guide

#!/usr/bin/env python3
"""
Drugs & Cosmetics Act 1940 - Student Handbook PDF Generator
Colorful, professor-style notes with flowcharts and tables
"""

from reportlab.lib.pagesizes import A4
from reportlab.lib import colors
from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle
from reportlab.lib.units import mm, cm
from reportlab.platypus import (
    SimpleDocTemplate, Paragraph, Spacer, Table, TableStyle,
    PageBreak, HRFlowable, KeepTogether
)
from reportlab.platypus.flowables import Flowable
from reportlab.lib.enums import TA_CENTER, TA_LEFT, TA_JUSTIFY
from reportlab.graphics.shapes import (
    Drawing, Rect, String, Line, Polygon, Arrow,
    Group, Circle
)
from reportlab.graphics import renderPDF
from reportlab.graphics.shapes import Drawing
from reportlab.platypus import Image
import io

# ─── COLOUR PALETTE ───────────────────────────────────────────────────────────
NAVY      = colors.HexColor("#1A237E")
BLUE      = colors.HexColor("#1565C0")
LTBLUE    = colors.HexColor("#E3F2FD")
TEAL      = colors.HexColor("#00695C")
LTTEAL    = colors.HexColor("#E0F2F1")
RED       = colors.HexColor("#B71C1C")
LTRED     = colors.HexColor("#FFEBEE")
ORANGE    = colors.HexColor("#E65100")
LTORANGE  = colors.HexColor("#FFF3E0")
PURPLE    = colors.HexColor("#4A148C")
LTPURPLE  = colors.HexColor("#F3E5F5")
GREEN     = colors.HexColor("#1B5E20")
LTGREEN   = colors.HexColor("#E8F5E9")
GOLD      = colors.HexColor("#F57F17")
LTGOLD    = colors.HexColor("#FFFDE7")
PINK      = colors.HexColor("#880E4F")
LTPINK    = colors.HexColor("#FCE4EC")
GREY      = colors.HexColor("#37474F")
LTGREY    = colors.HexColor("#ECEFF1")
WHITE     = colors.white
BLACK     = colors.black

W, H = A4

# ─── STYLES ───────────────────────────────────────────────────────────────────
base_styles = getSampleStyleSheet()

def S(name, **kw):
    return ParagraphStyle(name, **kw)

cover_title = S("CoverTitle", fontName="Helvetica-Bold", fontSize=28,
                textColor=WHITE, alignment=TA_CENTER, spaceAfter=8, leading=34)
cover_sub   = S("CoverSub",   fontName="Helvetica-Bold", fontSize=16,
                textColor=LTBLUE, alignment=TA_CENTER, spaceAfter=4)
cover_info  = S("CoverInfo",  fontName="Helvetica",      fontSize=11,
                textColor=WHITE, alignment=TA_CENTER, spaceAfter=3)

part_header = S("PartHeader", fontName="Helvetica-Bold", fontSize=20,
                textColor=WHITE, alignment=TA_CENTER, spaceAfter=0, leading=26)
section_hdr = S("SectionHdr", fontName="Helvetica-Bold", fontSize=14,
                textColor=WHITE, alignment=TA_LEFT, spaceAfter=0, leading=18)
sub_hdr     = S("SubHdr",     fontName="Helvetica-Bold", fontSize=12,
                textColor=NAVY, alignment=TA_LEFT, spaceAfter=4, spaceBefore=8)
body        = S("Body",       fontName="Helvetica",      fontSize=9.5,
                textColor=GREY, alignment=TA_JUSTIFY, spaceAfter=4, leading=14)
bullet_body = S("BulletBody", fontName="Helvetica",      fontSize=9.5,
                textColor=GREY, leftIndent=14, bulletIndent=4, spaceAfter=3, leading=13)
mnemonic    = S("Mnemonic",   fontName="Helvetica-Bold", fontSize=11,
                textColor=PURPLE, alignment=TA_CENTER, spaceAfter=4,
                backColor=LTPURPLE, borderPad=6, leading=15)
note_style  = S("Note",       fontName="Helvetica-Oblique", fontSize=9,
                textColor=ORANGE, alignment=TA_LEFT, spaceAfter=3, leading=13)
trap_style  = S("Trap",       fontName="Helvetica-Bold", fontSize=9.5,
                textColor=RED, alignment=TA_LEFT, spaceAfter=3, leading=13)
toc_item    = S("TocItem",    fontName="Helvetica",      fontSize=10,
                textColor=NAVY, spaceAfter=5, leading=14)
footer_sty  = S("Footer",     fontName="Helvetica-Oblique", fontSize=7.5,
                textColor=colors.HexColor("#90A4AE"), alignment=TA_CENTER)

# ─── HELPER FLOWABLES ─────────────────────────────────────────────────────────

class ColorBanner(Flowable):
    """A full-width coloured banner with white text."""
    def __init__(self, text, bg=NAVY, fg=WHITE, height=22, font_size=13, radius=4):
        Flowable.__init__(self)
        self.text = text
        self.bg = bg
        self.fg = fg
        self.bh = height
        self.font_size = font_size
        self.radius = radius
        self.width = W - 4*cm

    def wrap(self, aw, ah):
        self.width = aw
        return aw, self.bh + 4

    def draw(self):
        c = self.canv
        c.setFillColor(self.bg)
        c.roundRect(0, 2, self.width, self.bh, self.radius, fill=1, stroke=0)
        c.setFillColor(self.fg)
        c.setFont("Helvetica-Bold", self.font_size)
        c.drawCentredString(self.width/2, 2 + self.bh/2 - self.font_size*0.35, self.text)


class SideBadge(Flowable):
    """A left-stripe coloured box (like a callout)."""
    def __init__(self, text, stripe=TEAL, bg=LTTEAL, width=None, min_height=18):
        Flowable.__init__(self)
        self.text = text
        self.stripe = stripe
        self.bg = bg
        self._w = width
        self.min_height = min_height

    def wrap(self, aw, ah):
        self._w = aw
        # Estimate height from text length
        chars_per_line = int(aw / 5.5)
        lines = max(1, len(self.text) // chars_per_line + 1)
        self._h = max(self.min_height, lines * 14 + 10)
        return aw, self._h

    def draw(self):
        c = self.canv
        c.setFillColor(self.bg)
        c.rect(0, 0, self._w, self._h, fill=1, stroke=0)
        c.setFillColor(self.stripe)
        c.rect(0, 0, 5, self._h, fill=1, stroke=0)
        c.setFillColor(GREY)
        c.setFont("Helvetica", 9)
        c.drawString(10, self._h/2 - 4, self.text)


def colored_table(data, col_widths, header_bg=NAVY, header_fg=WHITE,
                  alt_bg=LTBLUE, border=BLUE, font_size=8.5):
    """Build a nicely styled table."""
    ts = TableStyle([
        ('BACKGROUND', (0,0), (-1,0), header_bg),
        ('TEXTCOLOR',  (0,0), (-1,0), header_fg),
        ('FONTNAME',   (0,0), (-1,0), 'Helvetica-Bold'),
        ('FONTSIZE',   (0,0), (-1,0), font_size),
        ('ALIGN',      (0,0), (-1,-1), 'LEFT'),
        ('VALIGN',     (0,0), (-1,-1), 'MIDDLE'),
        ('FONTNAME',   (0,1), (-1,-1), 'Helvetica'),
        ('FONTSIZE',   (0,1), (-1,-1), font_size - 0.5),
        ('GRID',       (0,0), (-1,-1), 0.4, border),
        ('ROWBACKGROUNDS', (0,1), (-1,-1), [WHITE, alt_bg]),
        ('LEFTPADDING',  (0,0), (-1,-1), 5),
        ('RIGHTPADDING', (0,0), (-1,-1), 5),
        ('TOPPADDING',   (0,0), (-1,-1), 4),
        ('BOTTOMPADDING',(0,0), (-1,-1), 4),
        ('WORDWRAP',   (0,0), (-1,-1), 1),
    ])
    t = Table(data, colWidths=col_widths, repeatRows=1)
    t.setStyle(ts)
    return t


def penalty_table(data, col_widths):
    ts = TableStyle([
        ('BACKGROUND', (0,0), (-1,0), RED),
        ('TEXTCOLOR',  (0,0), (-1,0), WHITE),
        ('FONTNAME',   (0,0), (-1,0), 'Helvetica-Bold'),
        ('FONTSIZE',   (0,0), (-1,0), 8.5),
        ('ALIGN',      (0,0), (-1,-1), 'LEFT'),
        ('VALIGN',     (0,0), (-1,-1), 'MIDDLE'),
        ('FONTNAME',   (0,1), (-1,-1), 'Helvetica'),
        ('FONTSIZE',   (0,1), (-1,-1), 8),
        ('GRID',       (0,0), (-1,-1), 0.4, RED),
        ('ROWBACKGROUNDS', (0,1), (-1,-1), [WHITE, LTRED]),
        ('LEFTPADDING',  (0,0), (-1,-1), 5),
        ('RIGHTPADDING', (0,0), (-1,-1), 5),
        ('TOPPADDING',   (0,0), (-1,-1), 4),
        ('BOTTOMPADDING',(0,0), (-1,-1), 4),
    ])
    t = Table(data, colWidths=col_widths, repeatRows=1)
    t.setStyle(ts)
    return t


# ─── FLOWCHART DRAWING HELPERS ────────────────────────────────────────────────

def make_box(d, x, y, w, h, text, bg, fg=WHITE, font_size=8, radius=5, border=None):
    border_c = border if border else bg
    d.add(Rect(x, y, w, h, rx=radius, ry=radius,
               fillColor=bg, strokeColor=border_c, strokeWidth=1))
    lines = text.split('\n')
    line_h = font_size + 2
    total_h = len(lines) * line_h
    start_y = y + h/2 + total_h/2 - line_h
    for line in lines:
        d.add(String(x + w/2, start_y, line,
                     fontName="Helvetica-Bold" if lines.index(line)==0 else "Helvetica",
                     fontSize=font_size, fillColor=fg,
                     textAnchor="middle"))
        start_y -= line_h


def arrow_down(d, x, y, length=18, color=GREY):
    d.add(Line(x, y, x, y - length + 5, strokeColor=color, strokeWidth=1.5))
    # arrowhead
    d.add(Polygon([x-4, y-length+7, x+4, y-length+7, x, y-length],
                  fillColor=color, strokeColor=color, strokeWidth=0.5))


def arrow_right(d, x, y, length=30, color=GREY):
    d.add(Line(x, y, x + length - 5, y, strokeColor=color, strokeWidth=1.5))
    d.add(Polygon([x+length-7, y-4, x+length-7, y+4, x+length, y],
                  fillColor=color, strokeColor=color, strokeWidth=0.5))


def make_diamond(d, cx, cy, w, h, text, bg=GOLD, fg=WHITE, font_size=7.5):
    hw, hh = w/2, h/2
    pts = [cx, cy+hh, cx+hw, cy, cx, cy-hh, cx-hw, cy]
    d.add(Polygon(pts, fillColor=bg, strokeColor=GREY, strokeWidth=1))
    lines = text.split('\n')
    line_h = font_size + 1.5
    start_y = cy + (len(lines)-1)*line_h/2
    for line in lines:
        d.add(String(cx, start_y, line, fontName="Helvetica-Bold",
                     fontSize=font_size, fillColor=fg, textAnchor="middle"))
        start_y -= line_h


# ─── FLOWCHART: IMPORT LICENSING ──────────────────────────────────────────────
def import_flowchart():
    dw, dh = 480, 340
    d = Drawing(dw, dh)
    d.add(Rect(0, 0, dw, dh, fillColor=LTBLUE, strokeColor=BLUE, strokeWidth=0.5))

    # Title
    d.add(String(dw/2, dh-16, "IMPORT LICENSING FLOWCHART (Sec 10 & Ch III)",
                 fontName="Helvetica-Bold", fontSize=9, fillColor=NAVY, textAnchor="middle"))

    # Start
    make_box(d, dw/2-55, dh-50, 110, 22, "INTENDING IMPORTER", NAVY, WHITE, 8)
    arrow_down(d, dw/2, dh-50, 18)

    # Diamond 1
    make_diamond(d, dw/2, dh-100, 160, 36,
                 "Drug in Sec 10\nprohibited list?", GOLD, WHITE, 7.5)

    # YES → PROHIBITED
    d.add(Line(dw/2+80, dh-100, dw/2+155, dh-100, strokeColor=RED, strokeWidth=1.5))
    d.add(Polygon([dw/2+153, dh-104, dw/2+153, dh-96, dw/2+160, dh-100],
                  fillColor=RED, strokeColor=RED))
    make_box(d, dw/2+160, dh-112, 100, 24, "IMPORT\nPROHIBITED", RED, WHITE, 8)
    d.add(String(dw/2+110, dh-97, "YES", fontName="Helvetica-Bold", fontSize=7, fillColor=RED))

    # NO arrow down
    arrow_down(d, dw/2, dh-118, 20)
    d.add(String(dw/2+4, dh-124, "NO", fontName="Helvetica-Bold", fontSize=7, fillColor=GREEN))

    # Licences box
    lic_y = dh - 180
    make_box(d, 60, lic_y, 360, 52,
             "OBTAIN IMPORT LICENCE from CDSCO (Central)\n"
             "Form 10 → Regular import  |  Form 11 → Test/Analysis\n"
             "Form 8  → New Drug import (+ Schedule Y data)",
             TEAL, WHITE, 8)
    arrow_down(d, dw/2, lic_y, 18)

    # Special exceptions
    exc_y = lic_y - 65
    make_box(d, 60, exc_y, 360, 52,
             "SPECIAL EXCEPTIONS (Rules 33, 33-A, 136)\n"
             "Rule 33   : Small qty for Test/Analysis (Form 11)\n"
             "Rule 33-A : New drug for life-threatening disease\n"
             "Rule 136  : Cosmetics for personal use (baggage)",
             PURPLE, WHITE, 8)
    arrow_down(d, dw/2, exc_y, 18)

    # Labelling
    label_y = exc_y - 38
    make_box(d, 100, label_y, 280, 24,
             "Labelling: Parts IX, X, XII compliance\n(Name, Manufacturer, Expiry, Country of Origin)",
             BLUE, WHITE, 8)
    arrow_down(d, dw/2, label_y, 18)

    # Final
    make_box(d, dw/2-70, label_y-40, 140, 24,
             "CUSTOMS CLEARANCE\n(Sec 11 - Sea Customs Act 1878)",
             GREEN, WHITE, 8)

    return d


# ─── FLOWCHART: SECTION 18 MANUFACTURE ───────────────────────────────────────
def manufacture_flowchart():
    dw, dh = 480, 380
    d = Drawing(dw, dh)
    d.add(Rect(0, 0, dw, dh, fillColor=LTGREEN, strokeColor=TEAL, strokeWidth=0.5))
    d.add(String(dw/2, dh-16, "SECTION 18 - MANUFACTURE PROHIBITION FLOWCHART",
                 fontName="Helvetica-Bold", fontSize=9, fillColor=TEAL, textAnchor="middle"))

    make_box(d, dw/2-80, dh-50, 160, 22, "WANT TO MANUFACTURE A DRUG FOR SALE?", NAVY, WHITE, 7.5)
    arrow_down(d, dw/2, dh-50, 18)

    # Diamond: New Drug?
    make_diamond(d, dw/2, dh-105, 170, 38, "New Drug\n(Rule 122E)?", ORANGE, WHITE, 7.5)
    # YES
    d.add(Line(dw/2+85, dh-105, dw/2+150, dh-105, strokeColor=ORANGE, strokeWidth=1.5))
    d.add(Polygon([dw/2+148, dh-109, dw/2+148, dh-101, dw/2+155, dh-105],
                  fillColor=ORANGE, strokeColor=ORANGE))
    make_box(d, dw/2+155, dh-119, 110, 28,
             "CDSCO Approval\n+ Schedule Y\n+ Form 44", ORANGE, WHITE, 7.5)
    d.add(String(dw/2+112, dh-102, "YES", fontName="Helvetica-Bold", fontSize=7, fillColor=ORANGE))

    arrow_down(d, dw/2, dh-124, 18)
    d.add(String(dw/2+4, dh-130, "NO", fontName="Helvetica-Bold", fontSize=7, fillColor=GREEN))

    # Diamond: Standard quality?
    make_diamond(d, dw/2, dh-180, 180, 38, "Standard Quality?\n(First/Second Schedule)", GOLD, WHITE, 7.5)
    d.add(Line(dw/2+90, dh-180, dw/2+155, dh-180, strokeColor=RED, strokeWidth=1.5))
    d.add(Polygon([dw/2+153, dh-184, dw/2+153, dh-176, dw/2+160, dh-180],
                  fillColor=RED, strokeColor=RED))
    make_box(d, dw/2+158, dh-192, 100, 24, "PROHIBITED\nSec 18(a)(i)", RED, WHITE, 8)
    d.add(String(dw/2+115, dh-177, "NO", fontName="Helvetica-Bold", fontSize=7, fillColor=RED))

    arrow_down(d, dw/2, dh-199, 16)
    d.add(String(dw/2+4, dh-205, "YES", fontName="Helvetica-Bold", fontSize=7, fillColor=GREEN))

    # Apply licence
    lic_y = dh - 262
    make_box(d, 50, lic_y, 380, 40,
             "Apply for Mfg Licence → State Licensing Authority (SLA)\n"
             "Form 24 | Premises Inspection | Schedule M (GMP)",
             TEAL, WHITE, 8)
    arrow_down(d, dw/2, lic_y, 18)

    # Licence granted
    lg_y = lic_y - 46
    make_box(d, 130, lg_y, 220, 22, "LICENCE GRANTED → Form 25", GREEN, WHITE, 8)
    arrow_down(d, dw/2, lg_y, 18)

    # Ongoing
    og_y = lg_y - 62
    make_box(d, 50, og_y, 380, 50,
             "ONGOING COMPLIANCE\n"
             "Schedule M (GMP) | QP on site | BMR records\n"
             "Quality testing | Annual returns | Sch U records",
             BLUE, WHITE, 8)
    arrow_down(d, dw/2, og_y, 16)

    make_box(d, dw/2-70, og_y-36, 140, 22, "MANUFACTURE PERMITTED", GREEN, WHITE, 8)

    return d


# ─── FLOWCHART: SPECIAL LICENCES ─────────────────────────────────────────────
def special_licence_flowchart():
    dw, dh = 480, 270
    d = Drawing(dw, dh)
    d.add(Rect(0, 0, dw, dh, fillColor=LTPURPLE, strokeColor=PURPLE, strokeWidth=0.5))
    d.add(String(dw/2, dh-16, "FOUR SPECIAL LICENCE TYPES  [TeNo-Lo-Re]",
                 fontName="Helvetica-Bold", fontSize=9, fillColor=PURPLE, textAnchor="middle"))

    top_y = dh - 50
    make_box(d, dw/2-75, top_y, 150, 22, "SPECIAL MANUFACTURE NEED?", NAVY, WHITE, 8)

    # Four branches
    box_y = top_y - 100
    positions = [30, 140, 260, 368]
    labels = [
        "TEST/ANALYSIS\nForm 11\nSmall qty only\nInspector access",
        "NEW DRUG\nForm 44\nCDSCO Central\nSchedule Y data",
        "LOAN LICENCE\nForm 25A\nOwn formula\nBorrow premises",
        "REPACKING\nForm 25B\nOwn premises\nBulk → repack"
    ]
    colors_list = [TEAL, ORANGE, BLUE, PURPLE]
    short = ["Te", "No", "Lo", "Re"]

    for i, (px, label, clr, sh) in enumerate(zip(positions, labels, colors_list, short)):
        # Line from centre
        d.add(Line(dw/2, top_y, px+50, top_y - 50, strokeColor=clr, strokeWidth=1.2,
                   strokeDashArray=[3,2]))
        make_box(d, px, box_y, 100, 68, label, clr, WHITE, 7.5)
        # Badge
        d.add(Rect(px+35, box_y+60, 30, 14, fillColor=GOLD, strokeColor=GOLD, rx=3, ry=3))
        d.add(String(px+50, box_y+63, sh, fontName="Helvetica-Bold",
                     fontSize=9, fillColor=WHITE, textAnchor="middle"))

    # Note
    d.add(String(dw/2, 18,
                 "Loan (25A): if licensor's Form 25 cancelled → 25A auto-cancelled",
                 fontName="Helvetica-Oblique", fontSize=7.5, fillColor=RED, textAnchor="middle"))

    return d


# ─── FLOWCHART: SECTION 27 PENALTY LADDER ────────────────────────────────────
def penalty_ladder_flowchart():
    dw, dh = 480, 310
    d = Drawing(dw, dh)
    d.add(Rect(0, 0, dw, dh, fillColor=LTRED, strokeColor=RED, strokeWidth=0.5))
    d.add(String(dw/2, dh-16, "SECTION 27 PENALTY LADDER  [3-7-10-LIFE]",
                 fontName="Helvetica-Bold", fontSize=9.5, fillColor=RED, textAnchor="middle"))

    rungs = [
        (dh-58,  LTGREY,  GREY,  "Sec 27(d)  Other contraventions (labelling/licence condition)\n"
                                   "Up to 1 Year  |  Fine ≥ ₹20,000"),
        (dh-118, LTORANGE, ORANGE,"Sec 27(c)  Adulterated drug — NOT causing death\n"
                                   "1 to 3 Years  |  Fine ≥ ₹50,000"),
        (dh-178, LTRED,   RED,   "Sec 27(b)  Spurious drug — NOT causing death/grievous hurt\n"
                                   "NOT < 7 Years, up to LIFE  |  Fine ≥ ₹3 lakh or 3× value"),
        (dh-248, colors.HexColor("#B71C1C"), WHITE,
                                   "Sec 27(a)  Adulterated/Spurious → CAUSES DEATH / GRIEVOUS HURT\n"
                                   "NOT < 10 Years, up to LIFE  |  Fine ≥ ₹10 lakh or 3× value"),
    ]

    for i, (y, bg, fg, text) in enumerate(rungs):
        # Rung number badge
        badge_c = [GREY, ORANGE, RED, colors.HexColor("#7B0000")][i]
        d.add(Rect(20, y, 30, 48, fillColor=badge_c, strokeColor=badge_c, rx=3, ry=3))
        d.add(String(35, y+20, str(i+1), fontName="Helvetica-Bold",
                     fontSize=18, fillColor=WHITE, textAnchor="middle"))
        # Main box
        d.add(Rect(58, y, dw-78, 48, fillColor=bg, strokeColor=badge_c,
                   strokeWidth=1.2, rx=4, ry=4))
        lines = text.split('\n')
        fy = y + 30
        for li, line in enumerate(lines):
            fn = "Helvetica-Bold" if li == 0 else "Helvetica"
            fc = fg if bg != LTGREY else GREY
            d.add(String(68, fy, line, fontName=fn, fontSize=8, fillColor=fc))
            fy -= 14

        # Arrow between rungs
        if i < len(rungs)-1:
            next_y = rungs[i+1][0]
            d.add(Line(dw/2, y, dw/2, next_y+48, strokeColor=colors.HexColor("#7B0000"),
                       strokeWidth=1.2))

    return d


# ─── FLOWCHART: MANUFACTURE TO SALE ──────────────────────────────────────────
def mfg_to_sale_flowchart():
    dw, dh = 480, 420
    d = Drawing(dw, dh)
    d.add(Rect(0, 0, dw, dh, fillColor=LTGOLD, strokeColor=GOLD, strokeWidth=0.5))
    d.add(String(dw/2, dh-16,
                 "CONSOLIDATED MANUFACTURE → SALE COMPLIANCE  [MASt-P-New]",
                 fontName="Helvetica-Bold", fontSize=9, fillColor=NAVY, textAnchor="middle"))

    stages = [
        (dh-50,  "A. PRE-MANUFACTURE",  "New Drug? → CDSCO + Sch Y + Form 44\nStandard Drug? → Proceed", NAVY),
        (dh-108, "B. LICENSING",        "SLA Form 24 → Inspection → Sch M GMP\nLicence Form 25 Granted", TEAL),
        (dh-166, "C. MANUFACTURE",      "GMP premises | QP present | BMR records\nIn-process QC | Batch quarantine", BLUE),
        (dh-224, "D. QUALITY CONTROL",  "Test vs First/Second Schedule | Govt Analyst\nRef samples: 3 yrs / 3 months post-expiry", PURPLE),
        (dh-282, "E. LABELLING",        "Sch G: CAUTION label  | Sch H: Rx symbol\nSch H1: RED STRIP     | Sch X: Special Rx", PINK),
        (dh-340, "F. DISTRIBUTION",     "Wholesale Lic Form 20/21 | Cold chain (Sch C)\nInvoice & stock register", ORANGE),
        (dh-390, "G. RETAIL SALE",      "Retail Lic Form 20 | Registered Pharmacist\nPrescription register for H/H1/X drugs", GREEN),
    ]

    for i, (y, stage, detail, clr) in enumerate(stages):
        # Stage tag
        d.add(Rect(10, y, 120, 46, fillColor=clr, strokeColor=clr, rx=4, ry=4))
        d.add(String(70, y+24, stage.split('.')[0] + '.', fontName="Helvetica-Bold",
                     fontSize=7.5, fillColor=WHITE, textAnchor="middle"))
        d.add(String(70, y+13, stage.split('. ', 1)[1], fontName="Helvetica-Bold",
                     fontSize=7.5, fillColor=WHITE, textAnchor="middle"))

        # Detail box
        d.add(Rect(138, y, dw-150, 46,
                   fillColor=WHITE, strokeColor=clr, strokeWidth=1, rx=4, ry=4))
        lines2 = detail.split('\n')
        ty = y + 28
        for line in lines2:
            d.add(String(148, ty, line, fontName="Helvetica", fontSize=7.8, fillColor=GREY))
            ty -= 14

        # Down arrow
        if i < len(stages)-1:
            ay = y - 2
            d.add(Line(dw/2, ay, dw/2, ay-8, strokeColor=GREY, strokeWidth=1.5))
            d.add(Polygon([dw/2-4, ay-6, dw/2+4, ay-6, dw/2, ay-12],
                           fillColor=GREY, strokeColor=GREY))

    return d


# ─── DOCUMENT BUILDER ─────────────────────────────────────────────────────────

def build_pdf(path):
    doc = SimpleDocTemplate(
        path, pagesize=A4,
        leftMargin=2*cm, rightMargin=2*cm,
        topMargin=2.2*cm, bottomMargin=2.2*cm,
        title="Drugs & Cosmetics Act 1940 – Student Handbook",
        author="Professor's Notes"
    )

    story = []
    PW = doc.width   # printable width

    # ══════════════════════ COVER PAGE ════════════════════════════════════════

    class CoverPage(Flowable):
        def wrap(self, aw, ah): return aw, ah
        def draw(self):
            c = self.canv
            pw, ph = A4
            # Gradient background simulation (layered rectangles)
            for i in range(80):
                frac = i / 80
                r = 0.10 + frac * 0.05
                g = 0.14 + frac * 0.02
                b = 0.49 - frac * 0.15
                c.setFillColorRGB(r, g, b)
                c.rect(0, ph * (1 - (i+1)/80), pw, ph/80 + 1, fill=1, stroke=0)

            # Decorative circles
            c.setFillColorRGB(1,1,1,0.06)
            c.circle(pw*0.85, ph*0.78, 90, fill=1, stroke=0)
            c.circle(pw*0.12, ph*0.22, 60, fill=1, stroke=0)
            c.setFillColorRGB(1,1,1,0.04)
            c.circle(pw*0.5, ph*0.5, 160, fill=1, stroke=0)

            # Top accent bar
            c.setFillColor(colors.HexColor("#FFD600"))
            c.rect(0, ph-8, pw, 8, fill=1, stroke=0)

            # Main title
            c.setFillColor(WHITE)
            c.setFont("Helvetica-Bold", 30)
            c.drawCentredString(pw/2, ph*0.72, "DRUGS & COSMETICS")
            c.setFont("Helvetica-Bold", 30)
            c.drawCentredString(pw/2, ph*0.65, "ACT, 1940")

            # Subtitle
            c.setFillColor(colors.HexColor("#FFD600"))
            c.setFont("Helvetica-Bold", 15)
            c.drawCentredString(pw/2, ph*0.58, "Complete Student Handbook")

            # Divider
            c.setStrokeColor(colors.HexColor("#FFD600"))
            c.setLineWidth(2)
            c.line(pw*0.2, ph*0.545, pw*0.8, ph*0.545)

            # Feature pills
            features = [
                "Schedules & Rule Schedules",
                "Import | Manufacture | Sale",
                "Penalty Ladders (Sec 13 & 27)",
                "Flowcharts & Mnemonics",
                "Exam Traps & High-Yield Points"
            ]
            c.setFillColor(colors.HexColor("#E3F2FD"))
            c.setFont("Helvetica", 11)
            for j, feat in enumerate(features):
                c.drawCentredString(pw/2, ph*0.49 - j*0.055*ph, "◆  " + feat)

            # Bottom bar
            c.setFillColor(colors.HexColor("#FFD600"))
            c.rect(0, 0, pw, 48, fill=1, stroke=0)
            c.setFillColor(NAVY)
            c.setFont("Helvetica-Bold", 11)
            c.drawCentredString(pw/2, 28, "Based on Bare Act | CDSCO Official Text | Forensic Medicine 36e (2026)")
            c.setFont("Helvetica", 9)
            c.drawCentredString(pw/2, 12, "For Educational Use Only")

    story.append(CoverPage())
    story.append(PageBreak())

    # ══════════════════════ TABLE OF CONTENTS ═════════════════════════════════
    story.append(ColorBanner("TABLE OF CONTENTS", NAVY, WHITE, 24, 14))
    story.append(Spacer(1, 8))

    toc_data = [
        ("PART 1", "The Schedules — First, Second & Rule Schedules", "3"),
        ("PART 2", "Import of Drugs — Section 10, Licensing, Section 13 Penalties", "5"),
        ("PART 3", "Manufacture of Drugs — Section 18, Schedule M, Special Licences", "8"),
        ("PART 4", "Section 27 Penalty Ladder (3→7→10→Life)", "12"),
        ("PART 5", "Consolidated Manufacture-to-Sale Compliance Flowchart", "14"),
        ("PART 6", "Master Mnemonics Cheatsheet", "15"),
        ("PART 7", "Exam Traps & High-Yield Points", "16"),
    ]
    toc_table = Table(
        [["Part", "Topic", "Pg"]] + toc_data,
        colWidths=[1.5*cm, PW - 3.5*cm, 1.5*cm]
    )
    toc_table.setStyle(TableStyle([
        ('BACKGROUND', (0,0), (-1,0), NAVY),
        ('TEXTCOLOR',  (0,0), (-1,0), WHITE),
        ('FONTNAME',   (0,0), (-1,0), 'Helvetica-Bold'),
        ('FONTSIZE',   (0,0), (-1,-1), 10),
        ('ROWBACKGROUNDS', (0,1), (-1,-1), [WHITE, LTBLUE]),
        ('GRID',  (0,0), (-1,-1), 0.3, BLUE),
        ('VALIGN',(0,0),(-1,-1),'MIDDLE'),
        ('TOPPADDING',   (0,0), (-1,-1), 6),
        ('BOTTOMPADDING',(0,0), (-1,-1), 6),
        ('LEFTPADDING',  (0,0), (-1,-1), 6),
    ]))
    story.append(toc_table)
    story.append(PageBreak())

    # ══════════════════════ PART 1: SCHEDULES ═════════════════════════════════
    story.append(ColorBanner("PART 1  |  THE SCHEDULES", NAVY, WHITE, 26, 15))
    story.append(Spacer(1, 6))

    story.append(ColorBanner("FIRST SCHEDULE — Books of Standards (Section 3(b))", BLUE, WHITE, 20, 11))
    story.append(Spacer(1, 5))
    story.append(Paragraph(
        "The First Schedule lists the official pharmacopoeias and formularies whose standards define 'standard quality' under the Act. "
        "A drug must conform to the standard in the applicable book listed here.",
        body))
    story.append(Spacer(1, 4))

    first_sch = [
        ["Reference Text", "Applicability"],
        ["Pharmacopoeia of India (IP)", "Primary Indian standard — applies to all IP-listed drugs"],
        ["British Pharmacopoeia (BP)", "Applies to drugs described therein"],
        ["International Pharmacopoeia (WHO)", "WHO standard for internationally traded drugs"],
        ["Extra Pharmacopoeia (Martindale)", "Reference for drugs not in other pharmacopoeias"],
        ["United States Pharmacopeia (USP)", "Applicable where specified"],
        ["British Pharmaceutical Codex (BPC)", "Additional standard for formulations"],
        ["British Veterinary Codex", "Veterinary drugs"],
        ["Ayurvedic Pharmacopoeia of India", "AYUSH Ayurvedic drugs"],
        ["Siddha Vaidya Thirattu / Unani Pharmacopoeia", "AYUSH Siddha & Unani system drugs"],
    ]
    story.append(colored_table(first_sch, [PW*0.42, PW*0.58], BLUE, WHITE, LTBLUE, BLUE))
    story.append(Spacer(1, 5))
    story.append(Paragraph("Mnemonic: <b>I BIG BBA US</b> = IP, BP, International, German, British Vet Codex, British Pharma Codex, Ayurvedic/Siddha/Unani, USP", mnemonic))
    story.append(Spacer(1, 8))

    story.append(ColorBanner("SECOND SCHEDULE — Standards of Quality", TEAL, WHITE, 20, 11))
    story.append(Spacer(1, 5))
    story.append(Paragraph(
        "Lists specific standards (purity, potency, test methods) for drugs manufactured or imported. "
        "Any drug whose standard appears here must fully comply — failing to do so makes it 'not of standard quality' under Section 16. "
        "A fixed-dose combination of a Second Schedule drug with an Ayurvedic drug is explicitly prohibited by Section 10A notifications.",
        body))
    story.append(Spacer(1, 8))

    # Rule Schedules table
    story.append(ColorBanner("HIGH-YIELD RULE SCHEDULES — Drugs & Cosmetics Rules 1945", PURPLE, WHITE, 20, 11))
    story.append(Spacer(1, 5))
    story.append(Paragraph("Mnemonic: <b>C Gets High — H1 too, Just Keep Making Perfectly True eXtra Years</b>", mnemonic))
    story.append(Spacer(1, 5))

    sch_data = [
        ["Sch", "Contents", "Key Requirement"],
        ["C", "Biological & special products\n(vaccines, sera, toxoids, hormones,\nantibiotic injectables)",
         "Enhanced storage/cold chain\nManufacture under stricter GMP\nCentral Licensing Authority (not SLA)"],
        ["C1", "Large-volume parenterals (LVP)", "Separate GMP + separate manufacturing"],
        ["G", "~65 drugs: antihistamines, insulin,\nbleomycin, aminopterine, cytotoxics",
         "Label MUST carry:\n'CAUTION — For use only under\nmedical supervision'"],
        ["H", "Prescription-only drugs (antibiotics,\nsteroids, antihypertensives, etc.)",
         "Only on RMP prescription\nPrescription register mandatory\n'Rx' symbol on label"],
        ["H1", "High-risk Rx drugs: 3rd/4th gen\ncephalosporins, carbapenems,\nfluoroquinolones, anti-TB, antifungals",
         "RED STRIP on label\nPrescription RETAINED 2 years\nNo repeat Rx without fresh prescription"],
        ["J", "54 diseases for which no drug may\nclaim to be a cure (cancer, AIDS,\ndiabetes, etc.)",
         "Any cure claim = misbranding\nProhibited advertising"],
        ["K", "Drugs exempt from Ch IV/IVA in\nsome states (AYUSH, homeopathy)",
         "Limited applicability by state notification"],
        ["M", "GMP standards for premises, plant,\nmachinery, personnel, documentation",
         "Mandatory for all licensed mfrs\n= Indian GMP standard"],
        ["P", "Life period of drugs — storage\nperiod/shelf-life guidelines",
         "Governs expiry dating on labels"],
        ["T", "Standards for surgical dressings,\nbandages, orthopaedic implants",
         "Quality standards for medical devices"],
        ["X", "Habit-forming/psychotropic drugs:\nmorphine, pethidine, fentanyl,\ncodeine formulations",
         "Strict licence (Form 20-A)\nSpecial Rx mandatory\nRecords kept 2 years\nNo advertisement"],
        ["Y", "Requirements for clinical trials\n(data to be submitted for new drugs)",
         "Preclinical + Phase I-III clinical\ndata package for CDSCO approval"],
    ]
    sch_colors = {
        1: (LTBLUE, BLUE),   2: (LTBLUE, BLUE),
        3: (LTGOLD, GOLD),   4: (LTPINK, PINK),
        5: (LTRED, RED),     6: (LTTEAL, TEAL),
        7: (LTGREY, GREY),   8: (LTTEAL, TEAL),
        9: (LTGOLD, GOLD),  10: (LTBLUE, BLUE),
        11: (LTRED, RED),   12: (LTPURPLE, PURPLE),
    }
    t = Table(sch_data, colWidths=[1.0*cm, PW*0.42, PW*0.43])
    ts_style = [
        ('BACKGROUND', (0,0), (-1,0), PURPLE),
        ('TEXTCOLOR',  (0,0), (-1,0), WHITE),
        ('FONTNAME',   (0,0), (-1,0), 'Helvetica-Bold'),
        ('FONTSIZE',   (0,0), (-1,0), 9),
        ('FONTNAME',   (0,1), (-1,-1), 'Helvetica'),
        ('FONTSIZE',   (0,1), (-1,-1), 8),
        ('GRID',  (0,0), (-1,-1), 0.4, PURPLE),
        ('VALIGN',(0,0),(-1,-1),'MIDDLE'),
        ('LEFTPADDING',  (0,0), (-1,-1), 5),
        ('RIGHTPADDING', (0,0), (-1,-1), 5),
        ('TOPPADDING',   (0,0), (-1,-1), 4),
        ('BOTTOMPADDING',(0,0), (-1,-1), 4),
    ]
    for row_i, (bg, _) in sch_colors.items():
        ts_style.append(('BACKGROUND', (0, row_i), (-1, row_i), bg))
        ts_style.append(('FONTNAME',   (0, row_i), (0, row_i), 'Helvetica-Bold'))
        ts_style.append(('TEXTCOLOR',  (0, row_i), (0, row_i), _))
        ts_style.append(('FONTSIZE',   (0, row_i), (0, row_i), 12))
        ts_style.append(('ALIGN',      (0, row_i), (0, row_i), 'CENTER'))
    t.setStyle(TableStyle(ts_style))
    story.append(t)
    story.append(PageBreak())

    # ══════════════════════ PART 2: IMPORT ════════════════════════════════════
    story.append(ColorBanner("PART 2  |  IMPORT OF DRUGS", TEAL, WHITE, 26, 15))
    story.append(Spacer(1, 6))

    story.append(ColorBanner("SECTION 10 — Prohibited Drug Imports", TEAL, WHITE, 20, 11))
    story.append(Spacer(1, 5))
    story.append(Paragraph("Mnemonic: <b>MASque</b> = Misbranded, Adulterated, Spurious, quality-substandard, extra-prohibited", mnemonic))
    story.append(Spacer(1, 5))

    sec10_data = [
        ["Clause", "What is Prohibited"],
        ["10(a)", "Not of standard quality (below First/Second Schedule standard)"],
        ["10(b)", "Misbranded (Section 9 definition)"],
        ["10(c)", "Adulterated (Section 9A definition)"],
        ["10(d)", "Spurious (Section 9B definition)"],
        ["10(ee)", "Cosmetic tested on animals [Post-2014 Fifth Amendment Rules]"],
        ["10(f)", "Without a valid import licence (Form 10)"],
        ["10A",   "Any drug notified by Central Govt as dangerous or lacking\ntherapeutic value (e.g. Nialamide, Practolol, Amidopyrin,\nPhenacetin, Methaqualone, Analgin combinations)"],
    ]
    story.append(colored_table(sec10_data, [1.8*cm, PW-1.8*cm], TEAL, WHITE, LTTEAL, TEAL))
    story.append(Spacer(1, 8))

    story.append(ColorBanner("IMPORT LICENSING FLOWCHART", BLUE, WHITE, 18, 10))
    story.append(Spacer(1, 5))
    fc1 = import_flowchart()
    fc1.width = PW
    story.append(fc1)
    story.append(Spacer(1, 8))

    story.append(ColorBanner("SECTION 13 — PENALTY TABLE (Verified Against Bare Act)", RED, WHITE, 20, 11))
    story.append(Spacer(1, 5))
    story.append(Paragraph(
        "<b>NOTE:</b> Section 13 fine figures are LOW (₹500-₹5,000) — this is a classic exam trap compared to Section 27 lakhs-level fines. "
        "Section 13 figures have NOT been updated by recent amendments.",
        trap_style))
    story.append(Spacer(1, 5))

    sec13_data = [
        ["Clause", "Offence", "Imprisonment", "Fine"],
        ["13(1)(a)", "Import of adulterated/spurious drug\n(Sec 9A/9B) OR animal-tested cosmetic\n(Sec 10, cl. ee)", "Up to 3 YEARS", "Up to ₹5,000"],
        ["13(1)(b)", "Import of any other prohibited drug/\ncosmetic (Sec 10)", "Up to 6 MONTHS", "Up to ₹500\nOR both"],
        ["13(1)(c)", "Import in contravention of\nSection 10A notification", "Up to 3 YEARS", "Up to ₹5,000\nOR both"],
        ["13(2)\nsubsequent", "Repeat conviction under 13(1)(a)", "Up to 7 YEARS", "Up to ₹5,000"],
    ]
    story.append(penalty_table(sec13_data, [1.8*cm, PW*0.40, PW*0.25, PW*0.22]))
    story.append(PageBreak())

    # ══════════════════════ PART 3: MANUFACTURE ═══════════════════════════════
    story.append(ColorBanner("PART 3  |  MANUFACTURE OF DRUGS", BLUE, WHITE, 26, 15))
    story.append(Spacer(1, 6))

    story.append(ColorBanner("SECTION 18 — Prohibitions", BLUE, WHITE, 20, 11))
    story.append(Spacer(1, 5))
    story.append(Paragraph("Mnemonic: <b>No MSA-P-N-L-C</b> = No Misbranded, Spurious, Adulterated, Patent/Proprietary (unlabelled), New drug (unapproved), Licence (non-compliance), Contraband", mnemonic))
    story.append(Spacer(1, 5))

    sec18_data = [
        ["Sub-section", "Prohibition"],
        ["18(a)(i)",   "Drug not of standard quality / misbranded / adulterated / spurious"],
        ["18(a)(ii)",  "Cosmetic not of standard quality / misbranded / adulterated / spurious"],
        ["18(a)(iii)", "Patent/proprietary medicine without displaying true formula or active ingredient list on label"],
        ["18(a)(iv)",  "Drug without a valid licence under Section 18(c)"],
        ["18(a)(v)",   "Drug in contravention of any condition of the licence"],
        ["18(a)(vi)",  "New Drug (Rule 122E) without CDSCO approval"],
        ["18(a)(vii)", "Any drug in violation of notified restriction (Section 26A/26B)"],
        ["18(b)",      "Advertising that any drug cures a Schedule J disease"],
        ["18(c)",      "Manufacture without a licence from the Licensing Authority (Rule 68/69)"],
    ]
    story.append(colored_table(sec18_data, [2.6*cm, PW-2.6*cm], BLUE, WHITE, LTBLUE, BLUE))
    story.append(Spacer(1, 5))
    story.append(Paragraph(
        "<b>Proviso:</b> Manufacture of small quantities for examination, test or analysis is EXEMPT from Sec 18 restrictions "
        "(but still requires a test/analysis licence under Rule 68).",
        note_style))
    story.append(Spacer(1, 8))

    story.append(ColorBanner("SECTION 18 MANUFACTURE PROHIBITION FLOWCHART", BLUE, WHITE, 18, 10))
    story.append(Spacer(1, 5))
    fc2 = manufacture_flowchart()
    fc2.width = PW
    story.append(fc2)
    story.append(Spacer(1, 8))

    story.append(ColorBanner("SCHEDULE M — GMP Requirements", TEAL, WHITE, 20, 11))
    story.append(Spacer(1, 5))
    gmp_data = [
        ["GMP Element", "Key Requirements"],
        ["Buildings & Premises", "Adequate space | Clean room classifications\nSegregated areas: quarantine / sampling / mfg / dispensing / FG"],
        ["Equipment", "Validated & calibrated | Stainless steel where required | Cleaned & logged"],
        ["Personnel", "Qualified Person (QP) mandatory | Training records | Health surveillance"],
        ["Sanitation", "SOPs for cleaning | Pest control | Gowning procedures"],
        ["Documentation", "Batch Manufacturing Records (BMR) | SOPs | Batch Packing Records"],
        ["Quality Control", "In-process testing | Release testing\nRef samples: 3 yrs (no expiry) | 3 months post-expiry"],
        ["Self-Inspection", "Periodic internal audits | Documented CAPA"],
        ["Complaints & Recalls", "Written procedures mandatory | Traceability to batch"],
    ]
    story.append(colored_table(gmp_data, [PW*0.30, PW*0.70], TEAL, WHITE, LTTEAL, TEAL))
    story.append(Spacer(1, 8))

    story.append(ColorBanner("FOUR SPECIAL LICENCE TYPES  [TeNo-Lo-Re]", PURPLE, WHITE, 20, 11))
    story.append(Spacer(1, 5))
    story.append(Paragraph("Mnemonic: <b>TeNo-Lo-Re</b> = Test/analysis, New drug, Loan licence, Repacking licence", mnemonic))
    story.append(Spacer(1, 5))

    lic4_data = [
        ["Licence", "Form", "Who Applies", "Key Features"],
        ["Test/Analysis\nLicence", "Form 11\n(import)\nForm 24 cat.\n(mfg)", "Research labs\nAnalytical labs",
         "Small quantities only\nNon-commercial use\nTest facility specified in licence\nInspector access MANDATORY"],
        ["New Drug\nLicence", "Form 44", "Manufacturer of\na New Drug\n(Rule 122E)", "Phase I-III clinical trial data\n(Schedule Y) compulsory\nCDSCO Central approval ONLY\n(NOT State SLA)"],
        ["Loan Licence", "Form 25A\n(Rule 69A)", "Company with\nformula but no\nown plant",
         "Uses licensor's premises + equipment\nLicensor must hold valid Form 25\nAuto-cancelled if licensor's\nForm 25 cancelled/suspended"],
        ["Repacking\nLicence", "Form 25B\n(Rule 74A)", "Company buying\nbulk drug for\nrepackaging",
         "Qualified competent person\nmust supervise at ALL times\nOwn testing facility required\nNo alteration of drug substance"],
    ]
    t4 = Table(lic4_data, colWidths=[2.3*cm, 1.8*cm, 2.5*cm, PW-6.6*cm])
    t4.setStyle(TableStyle([
        ('BACKGROUND', (0,0), (-1,0), PURPLE),
        ('TEXTCOLOR',  (0,0), (-1,0), WHITE),
        ('FONTNAME',   (0,0), (-1,0), 'Helvetica-Bold'),
        ('FONTSIZE',   (0,0), (-1,0), 9),
        ('BACKGROUND', (0,1), (-1,1), LTTEAL),
        ('BACKGROUND', (0,2), (-1,2), LTORANGE),
        ('BACKGROUND', (0,3), (-1,3), LTBLUE),
        ('BACKGROUND', (0,4), (-1,4), LTPURPLE),
        ('FONTNAME',   (0,1), (-1,-1), 'Helvetica'),
        ('FONTSIZE',   (0,1), (-1,-1), 8),
        ('GRID',  (0,0), (-1,-1), 0.4, PURPLE),
        ('VALIGN',(0,0),(-1,-1),'TOP'),
        ('LEFTPADDING',  (0,0), (-1,-1), 5),
        ('RIGHTPADDING', (0,0), (-1,-1), 5),
        ('TOPPADDING',   (0,0), (-1,-1), 5),
        ('BOTTOMPADDING',(0,0), (-1,-1), 5),
    ]))
    story.append(t4)
    story.append(Spacer(1, 8))

    story.append(ColorBanner("SPECIAL LICENCE COMPARISON FLOWCHART", PURPLE, WHITE, 18, 10))
    story.append(Spacer(1, 5))
    fc3 = special_licence_flowchart()
    fc3.width = PW
    story.append(fc3)
    story.append(PageBreak())

    # ══════════════════════ PART 4: SECTION 27 ════════════════════════════════
    story.append(ColorBanner("PART 4  |  SECTION 27 PENALTY LADDER", RED, WHITE, 26, 15))
    story.append(Spacer(1, 6))
    story.append(Paragraph("Mnemonic: <b>3-7-10-LIFE</b> — remember the MINIMUM sentences!", mnemonic))
    story.append(Spacer(1, 8))

    story.append(ColorBanner("SECTION 27 PENALTY LADDER FLOWCHART", RED, WHITE, 18, 10))
    story.append(Spacer(1, 5))
    fc4 = penalty_ladder_flowchart()
    fc4.width = PW
    story.append(fc4)
    story.append(Spacer(1, 10))

    story.append(ColorBanner("SECTION 27 — Detailed Penalty Table (Verified: CDSCO + India Code)", RED, WHITE, 18, 10))
    story.append(Spacer(1, 6))

    s27_data = [
        ["Clause", "Offence", "Min Imprisonment", "Max Imprisonment", "Fine"],
        ["27(d)", "Any other contravention\n(labelling error, licence\ncondition breach)", "—", "1 Year",
         "≥ ₹20,000\n(Court may reduce\non recorded reasons)"],
        ["27(c)", "Adulterated drug (Sec 17A)\nNOT causing death\nor grievous hurt", "1 Year", "3 Years",
         "≥ ₹50,000"],
        ["27(b)", "Spurious drug (Sec 17B)\nNOT causing death\nor grievous hurt",
         "7 Years\n(Proviso: Court may\nimpose < 7 yrs)", "LIFE",
         "≥ ₹3 lakh\nOR 3× drug value\n(whichever more)"],
        ["27(a)\n★ HIGHEST ★", "Adulterated/Spurious drug\nWHICH CAUSES or IS\nLIKELY TO CAUSE DEATH\nor GRIEVOUS HARM",
         "10 Years\n(Proviso: Court may\nimpose < 10 yrs)", "LIFE",
         "≥ ₹10 lakh\nOR 3× drug value\n(whichever more)"],
    ]
    ts27 = TableStyle([
        ('BACKGROUND', (0,0), (-1,0), RED),
        ('TEXTCOLOR',  (0,0), (-1,0), WHITE),
        ('FONTNAME',   (0,0), (-1,0), 'Helvetica-Bold'),
        ('FONTSIZE',   (0,0), (-1,0), 8.5),
        ('BACKGROUND', (0,1), (-1,1), LTGREY),
        ('BACKGROUND', (0,2), (-1,2), LTORANGE),
        ('BACKGROUND', (0,3), (-1,3), LTRED),
        ('BACKGROUND', (0,4), (-1,4), colors.HexColor("#FFCDD2")),
        ('FONTNAME',   (0,4), (-1,4), 'Helvetica-Bold'),
        ('TEXTCOLOR',  (0,4), (-1,4), RED),
        ('FONTNAME',   (0,1), (-1,-1), 'Helvetica'),
        ('FONTSIZE',   (0,1), (-1,-1), 8),
        ('GRID',  (0,0), (-1,-1), 0.4, RED),
        ('VALIGN',(0,0),(-1,-1),'MIDDLE'),
        ('LEFTPADDING',  (0,0), (-1,-1), 5),
        ('RIGHTPADDING', (0,0), (-1,-1), 5),
        ('TOPPADDING',   (0,0), (-1,-1), 5),
        ('BOTTOMPADDING',(0,0), (-1,-1), 5),
    ])
    t27 = Table(s27_data, colWidths=[1.8*cm, PW*0.33, PW*0.20, PW*0.20, PW*0.22])
    t27.setStyle(ts27)
    story.append(t27)
    story.append(Spacer(1, 8))

    story.append(ColorBanner("SECTION 30 — Subsequent Offence Enhancement", RED, WHITE, 18, 10))
    story.append(Spacer(1, 5))
    s30_data = [
        ["Previous Conviction", "Enhanced Repeat Punishment"],
        ["Under Sec 27(b)\n(spurious, no death)", "NOT < 7 yrs, up to 10 Years\n+ Fine ≥ ₹2 lakh"],
        ["Under Sec 27(c)\n(adulterated, no death)", "NOT < 10 yrs, up to LIFE\n+ Fine ≥ ₹3 lakh"],
        ["Under Sec 27(d)\n(other contravention)", "NOT < 2 yrs, up to 4 Years\nOR Fine ≥ ₹50,000, or both"],
    ]
    story.append(colored_table(s30_data, [PW*0.45, PW*0.55], RED, WHITE, LTRED, RED))
    story.append(PageBreak())

    # ══════════════════════ PART 5: MFG TO SALE FLOWCHART ════════════════════
    story.append(ColorBanner("PART 5  |  CONSOLIDATED MANUFACTURE-TO-SALE FLOWCHART", GOLD, NAVY, 26, 14))
    story.append(Spacer(1, 6))
    story.append(Paragraph("Mnemonic: <b>MASt-P-New</b> = Manufacture lic | Approved premises | Standard quality | testing | Packaging | New drug approval", mnemonic))
    story.append(Spacer(1, 8))

    fc5 = mfg_to_sale_flowchart()
    fc5.width = PW
    story.append(fc5)
    story.append(PageBreak())

    # ══════════════════════ PART 6: MNEMONICS ═════════════════════════════════
    story.append(ColorBanner("PART 6  |  MASTER MNEMONICS CHEATSHEET", PURPLE, WHITE, 26, 15))
    story.append(Spacer(1, 6))

    mnemonics_data = [
        ["Mnemonic", "Full Form", "Covers"],
        ["MASque", "Misbranded, Adulterated,\nSpurious, quality-substandard,\nextra-prohibited", "Prohibited drug categories\n(Sec 10 & Sec 18)"],
        ["MASt-P-New", "Manufacture lic, Approved premises,\nStandard drugs, testing,\nPackaging/labelling, New drug lic",
         "Full compliance checklist\nSec 18 onwards"],
        ["TeNo-Lo-Re", "Test/analysis licence,\nNew drug licence,\nLoan licence,\nRepacking licence",
         "4 Special licence types\n(Forms 11/44/25A/25B)"],
        ["3-7-10-Life", "3 yrs (Sec 13/27c category),\n7 yrs min (Sec 27b spurious),\n10 yrs min (Sec 27a death),\nLife maximum",
         "Penalty ladder\nSection 27 + 30"],
        ["C Gets High\nH1 too", "C=Biological, G=Caution label,\nH=Rx only, H1=Red strip",
         "Prescription schedule\nrequirements"],
        ["J bans K M P T X Y", "J=No-cure claims, K=Exempt,\nM=GMP, P=Shelf life,\nT=Surgical, X=Habit-forming,\nY=Clinical trial data",
         "All high-yield Rule Schedules"],
        ["I BIG BBA US", "IP, BP, International, German,\nBritish Vet, British Pharma Codex,\nAyurvedic/Siddha/Unani, USP",
         "First Schedule\nStandard books"],
    ]
    mn_t = Table(mnemonics_data, colWidths=[2.8*cm, PW*0.42, PW*0.38])
    mn_t.setStyle(TableStyle([
        ('BACKGROUND', (0,0), (-1,0), PURPLE),
        ('TEXTCOLOR',  (0,0), (-1,0), WHITE),
        ('FONTNAME',   (0,0), (-1,0), 'Helvetica-Bold'),
        ('FONTSIZE',   (0,0), (-1,0), 9.5),
        ('FONTNAME',   (0,1), (0,-1), 'Helvetica-Bold'),
        ('TEXTCOLOR',  (0,1), (0,-1), PURPLE),
        ('FONTSIZE',   (0,1), (0,-1), 11),
        ('FONTNAME',   (1,1), (-1,-1), 'Helvetica'),
        ('FONTSIZE',   (1,1), (-1,-1), 8.5),
        ('ROWBACKGROUNDS', (0,1), (-1,-1), [LTPURPLE, WHITE]),
        ('GRID',  (0,0), (-1,-1), 0.4, PURPLE),
        ('VALIGN',(0,0),(-1,-1),'MIDDLE'),
        ('LEFTPADDING',  (0,0), (-1,-1), 6),
        ('RIGHTPADDING', (0,0), (-1,-1), 6),
        ('TOPPADDING',   (0,0), (-1,-1), 6),
        ('BOTTOMPADDING',(0,0), (-1,-1), 6),
    ]))
    story.append(mn_t)
    story.append(PageBreak())

    # ══════════════════════ PART 7: EXAM TRAPS ════════════════════════════════
    story.append(ColorBanner("PART 7  |  EXAM TRAPS & HIGH-YIELD POINTS", RED, WHITE, 26, 15))
    story.append(Spacer(1, 6))

    traps = [
        ("1. Section 27 vs Section 13 Fines",
         "Sec 27 fines = LAKHS (₹10 lakh for death-causing drugs). Sec 13 fines = TINY (₹500-₹5,000). "
         "Both are frequently tested side-by-side. The small Section 13 fine amounts have NOT been updated by recent amendments."),
        ("2. Loan Licence (Form 25A) Auto-Cancellation",
         "If the licensor's Form 25 is cancelled or suspended → the loan licensee's Form 25A is AUTOMATICALLY cancelled. "
         "No separate notice/procedure needed. (Rule 74B)"),
        ("3. Schedule H1 = RED STRIP (not Red Box/Cross)",
         "H1 requires a RED STRIP across the top of the label. Prescription must be RETAINED by the chemist for 2 years. "
         "Cannot be dispensed again without a FRESH prescription. Introduced by 2013 amendment to curb antibiotic resistance."),
        ("4. New Drug Approval = CDSCO Central Only",
         "New Drug (Rule 122E) licence (Form 44) requires Central Government/CDSCO approval — NOT State Licensing Authority. "
         "This is a classic MCQ distractor."),
        ("5. Section 18 Proviso — Test/Analysis Exemption",
         "Small quantities manufactured ONLY for examination, test or analysis are EXEMPT from Section 18 prohibitions. "
         "BUT a test/analysis licence under Rule 68 is still required."),
        ("6. Section 27(a) Threshold — 'Likely to Cause'",
         "Section 27(a) (10 years to life) applies when a drug IS LIKELY TO CAUSE death or grievous harm — not just when death actually occurs. "
         "Prosecution does not need to wait for actual death."),
        ("7. Cognizable & Non-Bailable Offences",
         "Spurious/adulterated drugs that CAUSE DEATH are COGNIZABLE (police can arrest without warrant) and NON-BAILABLE. "
         "This is a distinct feature vs. other offences under the Act."),
        ("8. Schedule C Drugs — Central, Not State, Authority",
         "Biological products (Schedule C) are licensed by the CENTRAL Licensing Authority (CDSCO), not the State Licensing Authority, "
         "unlike most other allopathic drugs."),
        ("9. No Advertisement of Sch H / H1 / X",
         "Advertisement of Schedule H, H1, or X drugs requires PRIOR SANCTION of the Central Government (Rule 74). "
         "This is absolute — no advertisement without this sanction."),
        ("10. Reference Sample Retention Times",
         "3 YEARS from date of manufacture (if NO expiry date on label). "
         "3 MONTHS BEYOND EXPIRY DATE (if expiry date is stated on label). "
         "Frequently tested in MCQs — do not confuse these two figures."),
        ("11. Section 10A vs Section 10",
         "Section 10 = statutory prohibition of specific drug classes (misbranded, adulterated, spurious, etc.). "
         "Section 10A = Central Govt's POWER to prohibit ANY drug by notification (e.g., analgin combinations, phenacetin). "
         "Section 10A requires a Gazette notification; Section 10 applies automatically."),
        ("12. Fixed Dose Combination (FDC) Trap",
         "A fixed-dose combination of a Second Schedule drug with an Ayurvedic drug is PROHIBITED under Section 10A notifications — "
         "even if both drugs are individually permitted. Examiners love this nuance."),
    ]

    for i, (heading, content) in enumerate(traps):
        row_bg = LTRED if i % 2 == 0 else LTORANGE
        trap_data = [[heading, content]]
        tr = Table(trap_data, colWidths=[PW*0.34, PW*0.66])
        tr.setStyle(TableStyle([
            ('BACKGROUND', (0,0), (0,0), RED if i % 2 == 0 else ORANGE),
            ('TEXTCOLOR',  (0,0), (0,0), WHITE),
            ('BACKGROUND', (1,0), (1,0), row_bg),
            ('TEXTCOLOR',  (1,0), (1,0), GREY),
            ('FONTNAME',   (0,0), (0,0), 'Helvetica-Bold'),
            ('FONTNAME',   (1,0), (1,0), 'Helvetica'),
            ('FONTSIZE',   (0,0), (-1,0), 8.5),
            ('VALIGN',     (0,0), (-1,0), 'MIDDLE'),
            ('GRID',       (0,0), (-1,-1), 0.3, RED),
            ('LEFTPADDING',  (0,0), (-1,-1), 6),
            ('RIGHTPADDING', (0,0), (-1,-1), 6),
            ('TOPPADDING',   (0,0), (-1,-1), 5),
            ('BOTTOMPADDING',(0,0), (-1,-1), 5),
        ]))
        story.append(tr)
        story.append(Spacer(1, 3))

    story.append(Spacer(1, 12))

    # Footer disclaimer
    story.append(HRFlowable(width=PW, thickness=1, color=NAVY))
    story.append(Spacer(1, 4))
    story.append(Paragraph(
        "Sources: CDSCO Official PDF of Drugs & Cosmetics Act & Rules 2016 | India Code Bare Act (indiacode.nic.in) | "
        "Karnataka Drugs Control Dept Penalty Table 2025 | The Essentials of Forensic Medicine & Toxicology 36e (2026) | "
        "For Educational Use Only",
        footer_sty))

    # ─── PAGE NUMBERING ───────────────────────────────────────────────────────
    def add_page_decorations(canvas, doc):
        canvas.saveState()
        pw, ph = A4
        # Top bar
        canvas.setFillColor(NAVY)
        canvas.rect(0, ph-14, pw, 14, fill=1, stroke=0)
        canvas.setFillColor(WHITE)
        canvas.setFont("Helvetica-Bold", 7)
        canvas.drawCentredString(pw/2, ph-10, "Drugs & Cosmetics Act 1940 — Student Handbook")
        # Bottom bar
        canvas.setFillColor(LTBLUE)
        canvas.rect(0, 0, pw, 16, fill=1, stroke=0)
        canvas.setFillColor(NAVY)
        canvas.setFont("Helvetica", 7.5)
        canvas.drawString(2*cm, 5, "For Educational Use Only")
        canvas.drawRightString(pw - 2*cm, 5, f"Page {doc.page}")
        canvas.restoreState()

    doc.build(story, onFirstPage=add_page_decorations, onLaterPages=add_page_decorations)
    print(f"PDF generated: {path}")


if __name__ == "__main__":
    out = "/home/daytona/workspace/dca-handbook/DCA_1940_Student_Handbook.pdf"
    build_pdf(out)

Successfully replaced 1 instance(s) of the string in '/home/daytona/workspace/dca-handbook/generate_handbook.py'