feat: v3.0 - canvas editor, JSON-only, no Excel, new UI

- Remove all Excel code (import, export, template, pandas, openpyxl)
- New canvas-based schedule editor with drag & drop (interact.js)
- Modern 3-panel UI: sidebar, canvas, documentation tab
- New data model: Block with id/date/start/end, ProgramType with id/name/color
- Clean API: GET /api/health, POST /api/validate, GET /api/sample, POST /api/generate-pdf
- Rewritten PDF generator using ScenarioDocument directly (no DataFrame)
- Professional PDF output: dark header, colored blocks, merged cells, legend, footer
- Sample JSON: "Zimní výjezd oddílu" with 11 blocks, 3 program types
- 30 tests passing (API, core models, PDF generation)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/api/pdf.py

@@ -2,12 +2,11 @@
 
 from io import BytesIO
 
-import pandas as pd
 from fastapi import APIRouter, HTTPException
 from fastapi.responses import StreamingResponse
 
 from app.models.event import ScenarioDocument
-from app.core.validator import validate_inputs, ValidationError, ScenarsError
+from app.core.validator import ScenarsError
 from app.core.pdf_generator import generate_pdf
 
 router = APIRouter()
@@ -17,35 +16,7 @@ router = APIRouter()
 async def generate_pdf_endpoint(doc: ScenarioDocument):
     """Generate PDF timetable from ScenarioDocument."""
     try:
-        validate_inputs(doc.event.title, doc.event.detail, 0)
+        pdf_bytes = generate_pdf(doc)
-    except ValidationError as e:
-        raise HTTPException(status_code=422, detail=str(e))
-
-    # Convert to DataFrame
-    rows = []
-    for block in doc.blocks:
-        rows.append({
-            'Datum': block.datum,
-            'Zacatek': block.zacatek,
-            'Konec': block.konec,
-            'Program': block.program,
-            'Typ': block.typ,
-            'Garant': block.garant,
-            'Poznamka': block.poznamka,
-        })
-
-    df = pd.DataFrame(rows)
-
-    if df.empty:
-        raise HTTPException(status_code=422, detail="No blocks provided")
-
-    # Build program descriptions and colors
-    program_descriptions = {pt.code: pt.description for pt in doc.program_types}
-    program_colors = {pt.code: 'FF' + pt.color.lstrip('#') for pt in doc.program_types}
-
-    try:
-        pdf_bytes = generate_pdf(df, doc.event.title, doc.event.detail,
-                                 program_descriptions, program_colors)
     except ScenarsError as e:
         raise HTTPException(status_code=422, detail=str(e))
 

app/api/scenario.py

@@ -1,19 +1,14 @@
-"""Scenario API endpoints: validate, import-excel, generate-excel, export-json, template."""
+"""Scenario API endpoints: health, validate, sample."""
 
+import json
 import os
-from io import BytesIO
-from datetime import date, time as dt_time
 
-import pandas as pd
+from fastapi import APIRouter
-from fastapi import APIRouter, UploadFile, File, Form, HTTPException
+from fastapi.responses import JSONResponse
-from fastapi.responses import StreamingResponse, FileResponse
 
-from app.config import VERSION, MAX_FILE_SIZE_MB
+from app.config import VERSION
-from app.models.event import ScenarioDocument, Block, ProgramType, EventInfo
+from app.models.event import ScenarioDocument
-from app.models.responses import HealthResponse, ValidationResponse, ImportExcelResponse
+from app.models.responses import HealthResponse, ValidationResponse
-from app.core.validator import validate_inputs, ValidationError, TemplateError, ScenarsError
-from app.core.excel_reader import read_excel, parse_inline_schedule, parse_inline_types
-from app.core.timetable import create_timetable
 
 router = APIRouter()
 
@@ -34,135 +29,26 @@ async def validate_scenario(doc: ScenarioDocument):
     if not doc.program_types:
         errors.append("No program types defined")
 
-    type_codes = {pt.code for pt in doc.program_types}
+    type_ids = {pt.id for pt in doc.program_types}
     for i, block in enumerate(doc.blocks):
-        if block.typ not in type_codes:
+        if block.type_id not in type_ids:
-            errors.append(f"Block {i+1}: unknown type '{block.typ}'")
+            errors.append(f"Block {i+1}: unknown type '{block.type_id}'")
-        if block.zacatek >= block.konec:
+        if block.start >= block.end:
             errors.append(f"Block {i+1}: start time must be before end time")
 
     return ValidationResponse(valid=len(errors) == 0, errors=errors)
 
 
-@router.post("/import-excel")
+@router.get("/sample")
-async def import_excel(
+async def get_sample():
-    file: UploadFile = File(...),
+    """Return sample ScenarioDocument JSON."""
-    title: str = Form("Imported Event"),
+    sample_path = os.path.join(os.path.dirname(__file__), "..", "static", "sample.json")
-    detail: str = Form("Imported from Excel"),
+    sample_path = os.path.abspath(sample_path)
-):
-    """Upload Excel file and return ScenarioDocument JSON."""
-    content = await file.read()
 
-    if len(content) > MAX_FILE_SIZE_MB * 1024 * 1024:
+    with open(sample_path, "r", encoding="utf-8") as f:
-        raise HTTPException(status_code=413, detail=f"File exceeds {MAX_FILE_SIZE_MB}MB limit")
+        data = json.load(f)
 
-    try:
+    return JSONResponse(
-        valid_data, error_rows = read_excel(content)
+        content=data,
-    except TemplateError as e:
+        headers={"Content-Disposition": "attachment; filename=sample.json"}
-        raise HTTPException(status_code=422, detail=str(e))
-
-    if valid_data.empty:
-        raise HTTPException(status_code=422, detail="No valid rows found in Excel file")
-
-    # Extract unique types
-    types_in_data = valid_data["Typ"].dropna().unique().tolist()
-    program_types = [
-        ProgramType(code=t, description=str(t), color="#0070C0")
-        for t in types_in_data
-    ]
-
-    # Convert rows to blocks
-    blocks = []
-    for _, row in valid_data.iterrows():
-        blocks.append(Block(
-            datum=row["Datum"],
-            zacatek=row["Zacatek"],
-            konec=row["Konec"],
-            program=str(row["Program"]),
-            typ=str(row["Typ"]),
-            garant=str(row["Garant"]) if pd.notna(row.get("Garant")) else None,
-            poznamka=str(row["Poznamka"]) if pd.notna(row.get("Poznamka")) else None,
-        ))
-
-    doc = ScenarioDocument(
-        event=EventInfo(title=title, detail=detail),
-        program_types=program_types,
-        blocks=blocks,
-    )
-
-    warnings = [f"Row {e['index']}: {e.get('error', e.get('Error', 'unknown'))}" for e in error_rows]
-
-    return ImportExcelResponse(
-        success=True,
-        document=doc.model_dump(mode="json"),
-        warnings=warnings,
-    )
-
-
-@router.post("/generate-excel")
-async def generate_excel(doc: ScenarioDocument):
-    """Generate Excel timetable from ScenarioDocument."""
-    try:
-        validate_inputs(doc.event.title, doc.event.detail, 0)
-    except ValidationError as e:
-        raise HTTPException(status_code=422, detail=str(e))
-
-    # Convert to DataFrame
-    rows = []
-    for block in doc.blocks:
-        rows.append({
-            'Datum': block.datum,
-            'Zacatek': block.zacatek,
-            'Konec': block.konec,
-            'Program': block.program,
-            'Typ': block.typ,
-            'Garant': block.garant,
-            'Poznamka': block.poznamka,
-        })
-
-    df = pd.DataFrame(rows)
-
-    if df.empty:
-        raise HTTPException(status_code=422, detail="No blocks provided")
-
-    # Build program descriptions and colors
-    program_descriptions = {pt.code: pt.description for pt in doc.program_types}
-    program_colors = {pt.code: 'FF' + pt.color.lstrip('#') for pt in doc.program_types}
-
-    try:
-        wb = create_timetable(df, doc.event.title, doc.event.detail,
-                              program_descriptions, program_colors)
-    except ScenarsError as e:
-        raise HTTPException(status_code=422, detail=str(e))
-
-    output = BytesIO()
-    wb.save(output)
-    output.seek(0)
-
-    return StreamingResponse(
-        output,
-        media_type="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
-        headers={"Content-Disposition": "attachment; filename=scenar_timetable.xlsx"}
-    )
-
-
-@router.post("/export-json")
-async def export_json(doc: ScenarioDocument):
-    """Export ScenarioDocument as JSON."""
-    return doc.model_dump(mode="json")
-
-
-@router.get("/template")
-async def download_template():
-    """Download the Excel template file."""
-    template_path = os.path.join(os.path.dirname(__file__), "..", "..", "templates", "scenar_template.xlsx")
-    template_path = os.path.abspath(template_path)
-
-    if not os.path.exists(template_path):
-        raise HTTPException(status_code=404, detail="Template file not found")
-
-    return FileResponse(
-        template_path,
-        media_type="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
-        filename="scenar_template.xlsx"
     )

app/config.py

@@ -1,5 +1,5 @@
 """Application configuration."""
 
-VERSION = "2.0.0"
+VERSION = "3.0.0"
 MAX_FILE_SIZE_MB = 10
 DEFAULT_COLOR = "#ffffff"

app/core/__init__.py

@@ -1,28 +1,10 @@
-"""Core business logic for Scenar Creator."""
+"""Core business logic for Scenar Creator v3."""
 
-from .validator import (
+from .validator import ScenarsError, ValidationError
-    ScenarsError,
+from .pdf_generator import generate_pdf
-    ValidationError,
-    TemplateError,
-    validate_inputs,
-    validate_excel_template,
-    normalize_time,
-)
-from .timetable import create_timetable, calculate_row_height, calculate_column_width
-from .excel_reader import read_excel, get_program_types, parse_inline_schedule, parse_inline_types
 
 __all__ = [
     "ScenarsError",
     "ValidationError",
-    "TemplateError",
+    "generate_pdf",
-    "validate_inputs",
-    "validate_excel_template",
-    "normalize_time",
-    "create_timetable",
-    "calculate_row_height",
-    "calculate_column_width",
-    "read_excel",
-    "get_program_types",
-    "parse_inline_schedule",
-    "parse_inline_types",
 ]

app/core/excel_reader.py

@@ -1,274 +0,0 @@
-"""
-Excel reading and form parsing logic for Scenar Creator.
-Extracted from scenar/core.py — read_excel, get_program_types, parse_inline_schedule, parse_inline_types.
-"""
-
-import pandas as pd
-from io import BytesIO
-import logging
-
-from .validator import (
-    validate_excel_template,
-    normalize_time,
-    ValidationError,
-    TemplateError,
-    DEFAULT_COLOR,
-)
-
-logger = logging.getLogger(__name__)
-
-
-def read_excel(file_content: bytes, show_debug: bool = False) -> tuple:
-    """
-    Parse Excel file and return (valid_data, error_rows).
-
-    Handles different column naming conventions:
-    - Old format: Datum, Zacatek, Konec, Program, Typ, Garant, Poznamka
-    - New template: Datum, Zacatek bloku, Konec bloku, Nazev bloku, Typ bloku, Garant, Poznamka
-
-    Returns:
-        tuple: (pandas.DataFrame with valid rows, list of dicts with error details)
-    """
-    try:
-        excel_data = pd.read_excel(BytesIO(file_content), skiprows=0)
-    except Exception as e:
-        raise TemplateError(f"Failed to read Excel file: {str(e)}")
-
-    # Map column names from various possible names to our standard names
-    column_mapping = {
-        'Zacatek bloku': 'Zacatek',
-        'Konec bloku': 'Konec',
-        'Nazev bloku': 'Program',
-        'Typ bloku': 'Typ',
-    }
-
-    excel_data = excel_data.rename(columns=column_mapping)
-
-    # Validate template
-    validate_excel_template(excel_data)
-
-    if show_debug:
-        logger.debug(f"Raw data:\n{excel_data.head()}")
-
-    error_rows = []
-    valid_data = []
-
-    for index, row in excel_data.iterrows():
-        try:
-            datum = pd.to_datetime(row["Datum"], errors='coerce').date()
-            zacatek = normalize_time(str(row["Zacatek"]))
-            konec = normalize_time(str(row["Konec"]))
-
-            if pd.isna(datum) or zacatek is None or konec is None:
-                raise ValueError("Invalid date or time format")
-
-            valid_data.append({
-                "index": index,
-                "Datum": datum,
-                "Zacatek": zacatek,
-                "Konec": konec,
-                "Program": row["Program"],
-                "Typ": row["Typ"],
-                "Garant": row["Garant"],
-                "Poznamka": row["Poznamka"],
-                "row_data": row
-            })
-        except Exception as e:
-            error_rows.append({"index": index, "row": row, "error": str(e)})
-
-    valid_data = pd.DataFrame(valid_data)
-
-    # Early return if no valid rows
-    if valid_data.empty:
-        logger.warning("No valid rows after parsing")
-        return valid_data.drop(columns='index', errors='ignore'), error_rows
-
-    if show_debug:
-        logger.debug(f"Cleaned data:\n{valid_data.head()}")
-        logger.debug(f"Error rows: {error_rows}")
-
-    # Detect overlaps
-    overlap_errors = []
-    for date, group in valid_data.groupby('Datum'):
-        sorted_group = group.sort_values(by='Zacatek')
-        previous_end_time = None
-        for _, r in sorted_group.iterrows():
-            if previous_end_time and r['Zacatek'] < previous_end_time:
-                overlap_errors.append({
-                    "index": r["index"],
-                    "Datum": r["Datum"],
-                    "Zacatek": r["Zacatek"],
-                    "Konec": r["Konec"],
-                    "Program": r["Program"],
-                    "Typ": r["Typ"],
-                    "Garant": r["Garant"],
-                    "Poznamka": r["Poznamka"],
-                    "Error": f"Overlapping time block with previous block ending at {previous_end_time}",
-                    "row_data": r["row_data"]
-                })
-            previous_end_time = r['Konec']
-
-    if overlap_errors:
-        if show_debug:
-            logger.debug(f"Overlap errors: {overlap_errors}")
-        valid_data = valid_data[~valid_data.index.isin([e['index'] for e in overlap_errors])]
-        error_rows.extend(overlap_errors)
-
-    return valid_data.drop(columns='index'), error_rows
-
-
-def get_program_types(form_data: dict) -> tuple:
-    """
-    Extract program types from form data.
-
-    Form fields: type_code_{i}, desc_{i}, color_{i}
-
-    Returns:
-        tuple: (program_descriptions dict, program_colors dict)
-    """
-    program_descriptions = {}
-    program_colors = {}
-
-    def get_value(data, key, default=''):
-        # Support both dict-like and cgi.FieldStorage objects
-        if hasattr(data, 'getvalue'):
-            return data.getvalue(key, default)
-        return data.get(key, default)
-
-    for key in list(form_data.keys()):
-        if key.startswith('type_code_'):
-            index = key.split('_')[-1]
-            type_code = (get_value(form_data, f'type_code_{index}', '') or '').strip()
-            description = (get_value(form_data, f'desc_{index}', '') or '').strip()
-            raw_color = (get_value(form_data, f'color_{index}', DEFAULT_COLOR) or DEFAULT_COLOR)
-
-            if not type_code:
-                continue
-
-            color_hex = 'FF' + str(raw_color).lstrip('#')
-            program_descriptions[type_code] = description
-            program_colors[type_code] = color_hex
-
-    return program_descriptions, program_colors
-
-
-def parse_inline_schedule(form_data) -> pd.DataFrame:
-    """
-    Parse inline schedule form data into DataFrame.
-
-    Form fields:
-      datum_{i}, zacatek_{i}, konec_{i}, program_{i}, typ_{i}, garant_{i}, poznamka_{i}
-
-    Args:
-        form_data: dict or cgi.FieldStorage with form data
-
-    Returns:
-        DataFrame with parsed schedule data
-
-    Raises:
-        ValidationError: if required fields missing or invalid
-    """
-    rows = []
-    row_indices = set()
-
-    # Helper to get value from both dict and FieldStorage
-    def get_value(data, key, default=''):
-        if hasattr(data, 'getvalue'):  # cgi.FieldStorage
-            return data.getvalue(key, default).strip()
-        else:  # dict
-            return data.get(key, default).strip()
-
-    # Find all row indices
-    for key in form_data.keys():
-        if key.startswith('datum_'):
-            idx = key.split('_')[-1]
-            row_indices.add(idx)
-
-    for idx in sorted(row_indices, key=int):
-        datum_str = get_value(form_data, f'datum_{idx}', '')
-        zacatek_str = get_value(form_data, f'zacatek_{idx}', '')
-        konec_str = get_value(form_data, f'konec_{idx}', '')
-        program = get_value(form_data, f'program_{idx}', '')
-        typ = get_value(form_data, f'typ_{idx}', '')
-        garant = get_value(form_data, f'garant_{idx}', '')
-        poznamka = get_value(form_data, f'poznamka_{idx}', '')
-
-        # Skip empty rows
-        if not any([datum_str, zacatek_str, konec_str, program, typ]):
-            continue
-
-        # Validate required fields
-        if not all([datum_str, zacatek_str, konec_str, program, typ]):
-            raise ValidationError(
-                f"Řádek {int(idx)+1}: Všechna povinná pole (Datum, Začátek, Konec, Program, Typ) musí být vyplněna"
-            )
-
-        try:
-            datum = pd.to_datetime(datum_str).date()
-        except Exception:
-            raise ValidationError(f"Řádek {int(idx)+1}: Neplatné datum")
-
-        zacatek = normalize_time(zacatek_str)
-        konec = normalize_time(konec_str)
-
-        if zacatek is None or konec is None:
-            raise ValidationError(f"Řádek {int(idx)+1}: Neplatný čas (použijte HH:MM nebo HH:MM:SS)")
-
-        rows.append({
-            'Datum': datum,
-            'Zacatek': zacatek,
-            'Konec': konec,
-            'Program': program,
-            'Typ': typ,
-            'Garant': garant if garant else None,
-            'Poznamka': poznamka if poznamka else None,
-        })
-
-    if not rows:
-        raise ValidationError("Žádné platné řádky ve formuláři")
-
-    return pd.DataFrame(rows)
-
-
-def parse_inline_types(form_data) -> tuple:
-    """
-    Parse inline type definitions from form data.
-
-    Form fields: type_name_{i}, type_desc_{i}, type_color_{i}
-
-    Args:
-        form_data: dict or cgi.FieldStorage with form data
-
-    Returns:
-        tuple: (program_descriptions dict, program_colors dict)
-    """
-    descriptions = {}
-    colors = {}
-    type_indices = set()
-
-    # Helper to get value from both dict and FieldStorage
-    def get_value(data, key, default=''):
-        if hasattr(data, 'getvalue'):  # cgi.FieldStorage
-            return data.getvalue(key, default).strip()
-        else:  # dict
-            return data.get(key, default).strip()
-
-    # Find all type indices
-    for key in form_data.keys():
-        if key.startswith('type_name_'):
-            idx = key.split('_')[-1]
-            type_indices.add(idx)
-
-    for idx in sorted(type_indices, key=int):
-        type_name = get_value(form_data, f'type_name_{idx}', '')
-        type_desc = get_value(form_data, f'type_desc_{idx}', '')
-        type_color = get_value(form_data, f'type_color_{idx}', DEFAULT_COLOR)
-
-        # Skip empty types
-        if not type_name:
-            continue
-
-        descriptions[type_name] = type_desc
-        colors[type_name] = 'FF' + type_color.lstrip('#')
-
-    return descriptions, colors

app/core/pdf_generator.py

@@ -1,17 +1,17 @@
 """
-PDF generation for Scenar Creator using ReportLab.
+PDF generation for Scenar Creator v3 using ReportLab.
 Generates A4 landscape timetable PDF with colored blocks and legend.
 """
 
-import pandas as pd
 from io import BytesIO
 from datetime import datetime
+from collections import defaultdict
 from reportlab.lib import colors
 from reportlab.lib.pagesizes import A4, landscape
 from reportlab.lib.units import mm
 from reportlab.platypus import SimpleDocTemplate, Table, TableStyle, Paragraph, Spacer
 from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle
-from reportlab.lib.enums import TA_CENTER, TA_LEFT
+from reportlab.lib.enums import TA_CENTER, TA_LEFT, TA_RIGHT
 import logging
 
 from .validator import ScenarsError
@@ -20,175 +20,270 @@ logger = logging.getLogger(__name__)
 
 
 def hex_to_reportlab_color(hex_color: str) -> colors.Color:
-    """Convert hex color (AARRGGBB or #RRGGBB) to ReportLab color."""
+    """Convert #RRGGBB hex color to ReportLab color."""
     h = hex_color.lstrip('#')
-    if len(h) == 8:  # AARRGGBB format
+    if len(h) == 8:
-        h = h[2:]  # strip alpha
+        h = h[2:]
     if len(h) == 6:
         r, g, b = int(h[0:2], 16), int(h[2:4], 16), int(h[4:6], 16)
         return colors.Color(r / 255.0, g / 255.0, b / 255.0)
     return colors.white
 
 
-def generate_pdf(data: pd.DataFrame, title: str, detail: str,
+def is_light_color(hex_color: str) -> bool:
-                 program_descriptions: dict, program_colors: dict) -> bytes:
+    """Check if a color is light (needs dark text)."""
+    h = hex_color.lstrip('#')
+    if len(h) == 8:
+        h = h[2:]
+    if len(h) == 6:
+        r, g, b = int(h[0:2], 16), int(h[2:4], 16), int(h[4:6], 16)
+        luminance = (0.299 * r + 0.587 * g + 0.114 * b) / 255
+        return luminance > 0.6
+    return False
+
+
+def time_to_minutes(time_str: str) -> int:
+    """Convert HH:MM to minutes since midnight."""
+    parts = time_str.split(":")
+    return int(parts[0]) * 60 + int(parts[1])
+
+
+def generate_pdf(doc) -> bytes:
     """
-    Generate a PDF timetable.
+    Generate a PDF timetable from a ScenarioDocument.
 
     Args:
-        data: DataFrame with validated schedule data
+        doc: ScenarioDocument instance
-        title: Event title
-        detail: Event detail/description
-        program_descriptions: {type: description}
-        program_colors: {type: color_hex in AARRGGBB format}
 
     Returns:
         bytes: PDF file content
-
-    Raises:
-        ScenarsError: if data is invalid
     """
-    if data.empty:
+    if not doc.blocks:
-        raise ScenarsError("Data is empty after validation")
+        raise ScenarsError("No blocks provided")
 
-    missing_types = [typ for typ in data["Typ"].unique() if typ not in program_colors]
+    type_map = {pt.id: pt for pt in doc.program_types}
-    if missing_types:
+    for block in doc.blocks:
-        raise ScenarsError(
+        if block.type_id not in type_map:
-            f"Missing type definitions: {', '.join(missing_types)}. "
+            raise ScenarsError(
-            "Please define all program types."
+                f"Missing type definition: '{block.type_id}'. "
-        )
+                "Please define all program types."
+            )
 
     buffer = BytesIO()
-    doc = SimpleDocTemplate(
+    page_w, page_h = landscape(A4)
+    doc_pdf = SimpleDocTemplate(
         buffer,
         pagesize=landscape(A4),
-        leftMargin=10 * mm,
+        leftMargin=12 * mm,
-        rightMargin=10 * mm,
+        rightMargin=12 * mm,
-        topMargin=10 * mm,
+        topMargin=12 * mm,
-        bottomMargin=10 * mm,
+        bottomMargin=12 * mm,
     )
 
     styles = getSampleStyleSheet()
     title_style = ParagraphStyle(
         'TimetableTitle', parent=styles['Title'],
-        fontSize=18, alignment=TA_CENTER, spaceAfter=2 * mm
+        fontSize=20, alignment=TA_LEFT, spaceAfter=1 * mm,
+        textColor=colors.Color(0.118, 0.161, 0.231),
+        fontName='Helvetica-Bold'
     )
-    detail_style = ParagraphStyle(
+    subtitle_style = ParagraphStyle(
-        'TimetableDetail', parent=styles['Normal'],
+        'TimetableSubtitle', parent=styles['Normal'],
-        fontSize=12, alignment=TA_CENTER, spaceAfter=4 * mm,
+        fontSize=12, alignment=TA_LEFT, spaceAfter=1 * mm,
-        textColor=colors.gray
+        textColor=colors.Color(0.4, 0.4, 0.4),
+        fontName='Helvetica'
     )
-    cell_style = ParagraphStyle(
+    info_style = ParagraphStyle(
-        'CellStyle', parent=styles['Normal'],
+        'InfoStyle', parent=styles['Normal'],
-        fontSize=7, alignment=TA_CENTER, leading=9
+        fontSize=10, alignment=TA_LEFT, spaceAfter=4 * mm,
+        textColor=colors.Color(0.5, 0.5, 0.5),
+        fontName='Helvetica'
+    )
+    cell_style_white = ParagraphStyle(
+        'CellStyleWhite', parent=styles['Normal'],
+        fontSize=8, alignment=TA_CENTER, leading=10,
+        textColor=colors.white, fontName='Helvetica-Bold'
+    )
+    cell_style_dark = ParagraphStyle(
+        'CellStyleDark', parent=styles['Normal'],
+        fontSize=8, alignment=TA_CENTER, leading=10,
+        textColor=colors.Color(0.1, 0.1, 0.1), fontName='Helvetica-Bold'
+    )
+    time_style = ParagraphStyle(
+        'TimeStyle', parent=styles['Normal'],
+        fontSize=7, alignment=TA_RIGHT, leading=9,
+        textColor=colors.Color(0.5, 0.5, 0.5), fontName='Helvetica'
     )
     legend_style = ParagraphStyle(
         'LegendStyle', parent=styles['Normal'],
-        fontSize=8, alignment=TA_LEFT
+        fontSize=9, alignment=TA_LEFT, fontName='Helvetica'
+    )
+    footer_style = ParagraphStyle(
+        'FooterStyle', parent=styles['Normal'],
+        fontSize=8, alignment=TA_CENTER,
+        textColor=colors.Color(0.6, 0.6, 0.6), fontName='Helvetica-Oblique'
     )
 
     elements = []
-    elements.append(Paragraph(title, title_style))
-    elements.append(Paragraph(detail, detail_style))
 
-    data = data.sort_values(by=["Datum", "Zacatek"])
+    # Header
+    elements.append(Paragraph(doc.event.title, title_style))
+    if doc.event.subtitle:
+        elements.append(Paragraph(doc.event.subtitle, subtitle_style))
 
-    start_times = data["Zacatek"]
+    info_parts = []
-    end_times = data["Konec"]
+    if doc.event.date:
+        info_parts.append(f"Datum: {doc.event.date}")
+    if doc.event.location:
+        info_parts.append(f"M\u00edsto: {doc.event.location}")
+    if info_parts:
+        elements.append(Paragraph(" | ".join(info_parts), info_style))
 
-    min_time = min(start_times)
+    elements.append(Spacer(1, 3 * mm))
-    max_time = max(end_times)
 
-    time_slots = pd.date_range(
+    # Group blocks by date
-        datetime.combine(datetime.today(), min_time),
+    blocks_by_date = defaultdict(list)
-        datetime.combine(datetime.today(), max_time),
+    for block in doc.blocks:
-        freq='15min'
+        blocks_by_date[block.date].append(block)
-    ).time
 
-    # Build header row
+    sorted_dates = sorted(blocks_by_date.keys())
-    header = ["Datum"] + [t.strftime("%H:%M") for t in time_slots]
+
+    # Find global time range
+    all_starts = [time_to_minutes(b.start) for b in doc.blocks]
+    all_ends = [time_to_minutes(b.end) for b in doc.blocks]
+    global_start = (min(all_starts) // 30) * 30
+    global_end = ((max(all_ends) + 29) // 30) * 30
+
+    # Generate 30-min time slots
+    time_slots = []
+    t = global_start
+    while t <= global_end:
+        h, m = divmod(t, 60)
+        time_slots.append(f"{h:02d}:{m:02d}")
+        t += 30
+
+    # Build table: time column + one column per day
+    header = [""] + [d for d in sorted_dates]
 
     table_data = [header]
-    cell_colors = []  # list of (row, col, color) for styling
+    slot_count = len(time_slots) - 1
 
-    grouped_data = data.groupby(data['Datum'])
+    # Build grid and track colored cells
-    row_idx = 1
+    cell_colors_list = []
 
-    for date_val, group in grouped_data:
+    for slot_idx in range(slot_count):
-        day_name = date_val.strftime("%A")
+        slot_start = time_slots[slot_idx]
-        date_str = date_val.strftime(f"%d.%m {day_name}")
+        slot_end = time_slots[slot_idx + 1]
+        row = [Paragraph(slot_start, time_style)]
+
+        for date_key in sorted_dates:
+            cell_content = ""
+            for block in blocks_by_date[date_key]:
+                block_start_min = time_to_minutes(block.start)
+                block_end_min = time_to_minutes(block.end)
+                slot_start_min = time_to_minutes(slot_start)
+                slot_end_min = time_to_minutes(slot_end)
+
+                if block_start_min <= slot_start_min and block_end_min >= slot_end_min:
+                    pt = type_map[block.type_id]
+                    light = is_light_color(pt.color)
+                    cs = cell_style_dark if light else cell_style_white
+
+                    if block_start_min == slot_start_min:
+                        label = block.title
+                        if block.responsible:
+                            label += f"<br/><font size='6'>{block.responsible}</font>"
+                        cell_content = Paragraph(label, cs)
+                    else:
+                        cell_content = ""
+                    cell_colors_list.append((len(table_data), len(row), pt.color))
+                    break
+
+            row.append(cell_content if cell_content else "")
 
-        row = [date_str] + [""] * len(time_slots)
         table_data.append(row)
-        row_idx += 1
 
-        # Create a sub-row for blocks
+    # Column widths
-        block_row = [""] * (len(time_slots) + 1)
+    avail_width = page_w - 24 * mm
-        for _, blk in group.iterrows():
+    time_col_width = 18 * mm
-            try:
+    day_col_width = (avail_width - time_col_width) / max(len(sorted_dates), 1)
-                start_idx = list(time_slots).index(blk["Zacatek"]) + 1
+    col_widths = [time_col_width] + [day_col_width] * len(sorted_dates)
-                end_idx = list(time_slots).index(blk["Konec"]) + 1
-            except ValueError:
-                continue
 
-            label = blk['Program']
+    row_height = 20
-            if pd.notna(blk.get('Garant')):
+    table = Table(table_data, colWidths=col_widths, rowHeights=[24] + [row_height] * slot_count)
-                label += f"\n{blk['Garant']}"
-
-            block_row[start_idx] = Paragraph(label.replace('\n', '<br/>'), cell_style)
-
-            rl_color = hex_to_reportlab_color(program_colors[blk["Typ"]])
-            for ci in range(start_idx, end_idx):
-                cell_colors.append((row_idx, ci, rl_color))
-
-        table_data.append(block_row)
-        row_idx += 1
-
-    # Calculate column widths
-    avail_width = landscape(A4)[0] - 20 * mm
-    date_col_width = 30 * mm
-    slot_width = max(12 * mm, (avail_width - date_col_width) / max(len(time_slots), 1))
-    col_widths = [date_col_width] + [slot_width] * len(time_slots)
-
-    table = Table(table_data, colWidths=col_widths, repeatRows=1)
 
     style_cmds = [
-        ('BACKGROUND', (0, 0), (-1, 0), colors.Color(0.83, 0.83, 0.83)),
+        ('BACKGROUND', (0, 0), (-1, 0), colors.Color(0.118, 0.161, 0.231)),
-        ('TEXTCOLOR', (0, 0), (-1, 0), colors.black),
+        ('TEXTCOLOR', (0, 0), (-1, 0), colors.white),
-        ('ALIGN', (0, 0), (-1, -1), 'CENTER'),
+        ('FONTNAME', (0, 0), (-1, 0), 'Helvetica-Bold'),
+        ('FONTSIZE', (0, 0), (-1, 0), 10),
+        ('ALIGN', (0, 0), (-1, 0), 'CENTER'),
         ('VALIGN', (0, 0), (-1, -1), 'MIDDLE'),
-        ('FONTSIZE', (0, 0), (-1, 0), 7),
+        ('ALIGN', (0, 1), (0, -1), 'RIGHT'),
-        ('FONTSIZE', (0, 1), (-1, -1), 6),
+        ('FONTSIZE', (0, 1), (-1, -1), 7),
-        ('GRID', (0, 0), (-1, -1), 0.5, colors.black),
+        ('GRID', (0, 0), (-1, -1), 0.5, colors.Color(0.85, 0.85, 0.85)),
-        ('ROWBACKGROUNDS', (0, 1), (-1, -1), [colors.white, colors.Color(0.97, 0.97, 0.97)]),
+        ('LINEBELOW', (0, 0), (-1, 0), 1.5, colors.Color(0.118, 0.161, 0.231)),
+        ('ROWBACKGROUNDS', (1, 1), (-1, -1), [colors.white, colors.Color(0.98, 0.98, 0.98)]),
     ]
 
-    for r, c, clr in cell_colors:
+    for r, c, hex_clr in cell_colors_list:
-        style_cmds.append(('BACKGROUND', (c, r), (c, r), clr))
+        rl_color = hex_to_reportlab_color(hex_clr)
+        style_cmds.append(('BACKGROUND', (c, r), (c, r), rl_color))
+
+    # Merge cells for blocks spanning multiple time slots
+    for date_idx, date_key in enumerate(sorted_dates):
+        col = date_idx + 1
+        for block in blocks_by_date[date_key]:
+            block_start_min = time_to_minutes(block.start)
+            block_end_min = time_to_minutes(block.end)
+
+            start_row = None
+            end_row = None
+            for slot_idx in range(slot_count):
+                slot_min = time_to_minutes(time_slots[slot_idx])
+                if slot_min == block_start_min:
+                    start_row = slot_idx + 1
+                if slot_idx + 1 < len(time_slots):
+                    next_slot_min = time_to_minutes(time_slots[slot_idx + 1])
+                    if next_slot_min == block_end_min:
+                        end_row = slot_idx + 1
+
+            if start_row is not None and end_row is not None and end_row > start_row:
+                style_cmds.append(('SPAN', (col, start_row), (col, end_row)))
 
     table.setStyle(TableStyle(style_cmds))
     elements.append(table)
 
     # Legend
     elements.append(Spacer(1, 5 * mm))
-    elements.append(Paragraph("<b>Legenda:</b>", legend_style))
+    legend_items = []
+    for pt in doc.program_types:
+        legend_items.append([Paragraph(f"  {pt.name}", legend_style)])
 
-    legend_data = []
+    if legend_items:
-    legend_colors_list = []
+        elements.append(Paragraph("<b>Legenda:</b>", legend_style))
-    for i, (typ, desc) in enumerate(program_descriptions.items()):
+        elements.append(Spacer(1, 2 * mm))
-        legend_data.append([Paragraph(f"{desc} ({typ})", legend_style)])
+        legend_table = Table(legend_items, colWidths=[60 * mm])
-        legend_colors_list.append(hex_to_reportlab_color(program_colors[typ]))
-
-    if legend_data:
-        legend_table = Table(legend_data, colWidths=[80 * mm])
         legend_cmds = [
-            ('GRID', (0, 0), (-1, -1), 0.5, colors.black),
             ('VALIGN', (0, 0), (-1, -1), 'MIDDLE'),
+            ('BOX', (0, 0), (-1, -1), 0.5, colors.Color(0.85, 0.85, 0.85)),
+            ('INNERGRID', (0, 0), (-1, -1), 0.5, colors.Color(0.85, 0.85, 0.85)),
         ]
-        for i, clr in enumerate(legend_colors_list):
+        for i, pt in enumerate(doc.program_types):
-            legend_cmds.append(('BACKGROUND', (0, i), (0, i), clr))
+            rl_color = hex_to_reportlab_color(pt.color)
+            legend_cmds.append(('BACKGROUND', (0, i), (0, i), rl_color))
+            if not is_light_color(pt.color):
+                legend_cmds.append(('TEXTCOLOR', (0, i), (0, i), colors.white))
         legend_table.setStyle(TableStyle(legend_cmds))
         elements.append(legend_table)
 
-    doc.build(elements)
+    # Footer
+    elements.append(Spacer(1, 5 * mm))
+    gen_date = datetime.now().strftime("%d.%m.%Y %H:%M")
+    elements.append(Paragraph(
+        f"Vygenerov\u00e1no Scen\u00e1r Creatorem | {gen_date}",
+        footer_style
+    ))
+
+    doc_pdf.build(elements)
     return buffer.getvalue()

app/core/timetable.py

@@ -1,242 +0,0 @@
-"""
-Timetable generation logic for Scenar Creator.
-Extracted from scenar/core.py — create_timetable (Excel output).
-"""
-
-import pandas as pd
-from openpyxl import Workbook
-from openpyxl.styles import Alignment, Border, Font, PatternFill, Side
-from openpyxl.utils import get_column_letter
-from datetime import datetime
-import logging
-
-from .validator import ScenarsError
-
-logger = logging.getLogger(__name__)
-
-
-def calculate_row_height(cell_value, column_width):
-    """Calculate row height based on content."""
-    if not cell_value:
-        return 15
-    max_line_length = column_width * 1.2
-    lines = str(cell_value).split('\n')
-    line_count = 0
-    for line in lines:
-        line_count += len(line) // max_line_length + 1
-    return line_count * 15
-
-
-def calculate_column_width(text):
-    """Calculate column width based on text length."""
-    max_length = max(len(line) for line in str(text).split('\n'))
-    return max_length * 1.2
-
-
-def create_timetable(data: pd.DataFrame, title: str, detail: str,
-                     program_descriptions: dict, program_colors: dict) -> Workbook:
-    """
-    Create an OpenPyXL timetable workbook.
-
-    Args:
-        data: DataFrame with validated schedule data
-        title: Event title
-        detail: Event detail/description
-        program_descriptions: {type: description}
-        program_colors: {type: color_hex}
-
-    Returns:
-        openpyxl.Workbook
-
-    Raises:
-        ScenarsError: if data is invalid or types are missing
-    """
-    if data.empty:
-        raise ScenarsError("Data is empty after validation")
-
-    missing_types = [typ for typ in data["Typ"].unique() if typ not in program_colors]
-    if missing_types:
-        raise ScenarsError(
-            f"Missing type definitions: {', '.join(missing_types)}. "
-            "Please define all program types."
-        )
-
-    wb = Workbook()
-    ws = wb.active
-
-    thick_border = Border(left=Side(style='thick', color='000000'),
-                          right=Side(style='thick', color='000000'),
-                          top=Side(style='thick', color='000000'),
-                          bottom=Side(style='thick', color='000000'))
-
-    # Title and detail
-    ws['A1'] = title
-    ws['A1'].alignment = Alignment(horizontal="center", vertical="center")
-    ws['A1'].font = Font(size=24, bold=True)
-    ws['A1'].border = thick_border
-
-    ws['A2'] = detail
-    ws['A2'].alignment = Alignment(horizontal="center", vertical="center")
-    ws['A2'].font = Font(size=16, italic=True)
-    ws['A2'].border = thick_border
-
-    if ws.column_dimensions[get_column_letter(1)].width is None:
-        ws.column_dimensions[get_column_letter(1)].width = 40
-
-    title_row_height = calculate_row_height(title, ws.column_dimensions[get_column_letter(1)].width)
-    detail_row_height = calculate_row_height(detail, ws.column_dimensions[get_column_letter(1)].width)
-    ws.row_dimensions[1].height = title_row_height
-    ws.row_dimensions[2].height = detail_row_height
-
-    data = data.sort_values(by=["Datum", "Zacatek"])
-
-    start_times = data["Zacatek"]
-    end_times = data["Konec"]
-
-    if start_times.isnull().any() or end_times.isnull().any():
-        raise ScenarsError("Data contains invalid time values")
-
-    try:
-        min_time = min(start_times)
-        max_time = max(end_times)
-    except ValueError as e:
-        raise ScenarsError(f"Error determining time range: {e}")
-
-    time_slots = pd.date_range(
-        datetime.combine(datetime.today(), min_time),
-        datetime.combine(datetime.today(), max_time),
-        freq='15min'
-    ).time
-
-    total_columns = len(time_slots) + 1
-    ws.merge_cells(start_row=1, start_column=1, end_row=1, end_column=total_columns)
-    ws.merge_cells(start_row=2, start_column=1, end_row=2, end_column=total_columns)
-
-    row_offset = 3
-    col_offset = 1
-    cell = ws.cell(row=row_offset, column=col_offset, value="Datum")
-    cell.fill = PatternFill(start_color="D3D3D3", end_color="D3D3D3", fill_type="solid")
-    cell.alignment = Alignment(horizontal="center", vertical="center")
-    cell.font = Font(bold=True)
-    cell.border = thick_border
-
-    for i, time_slot in enumerate(time_slots, start=col_offset + 1):
-        cell = ws.cell(row=row_offset, column=i, value=time_slot.strftime("%H:%M"))
-        cell.fill = PatternFill(start_color="D3D3D3", end_color="D3D3D3", fill_type="solid")
-        cell.alignment = Alignment(horizontal="center", vertical="center")
-        cell.font = Font(bold=True)
-        cell.border = thick_border
-
-    current_row = row_offset + 1
-    grouped_data = data.groupby(data['Datum'])
-
-    for date, group in grouped_data:
-        day_name = date.strftime("%A")
-        date_str = date.strftime(f"%d.%m {day_name}")
-
-        cell = ws.cell(row=current_row, column=col_offset, value=date_str)
-        cell.alignment = Alignment(horizontal="center", vertical="center")
-        cell.fill = PatternFill(start_color="D3D3D3", end_color="D3D3D3", fill_type="solid")
-        cell.font = Font(bold=True, size=14)
-        cell.border = thick_border
-
-        # Track which cells are already filled (for overlap detection)
-        date_row = current_row
-        occupied_cells = set()  # (row, col) pairs already filled
-
-        for _, row in group.iterrows():
-            start_time = row["Zacatek"]
-            end_time = row["Konec"]
-            try:
-                start_index = list(time_slots).index(start_time) + col_offset + 1
-                end_index = list(time_slots).index(end_time) + col_offset + 1
-            except ValueError as e:
-                logger.error(f"Time slot not found: {start_time} to {end_time}")
-                continue
-
-            cell_value = f"{row['Program']}"
-            if pd.notna(row['Garant']):
-                cell_value += f"\n{row['Garant']}"
-            if pd.notna(row['Poznamka']):
-                cell_value += f"\n\n{row['Poznamka']}"
-
-            # Check for overlaps
-            working_row = date_row + 1
-            conflict = False
-            for col in range(start_index, end_index):
-                if (working_row, col) in occupied_cells:
-                    conflict = True
-                    break
-
-            # If conflict, find next available row
-            if conflict:
-                while any((working_row, col) in occupied_cells for col in range(start_index, end_index)):
-                    working_row += 1
-
-            # Mark cells as occupied
-            for col in range(start_index, end_index):
-                occupied_cells.add((working_row, col))
-
-            try:
-                ws.merge_cells(start_row=working_row, start_column=start_index,
-                              end_row=working_row, end_column=end_index - 1)
-                # Get the first cell of the merge (not the merged cell)
-                cell = ws.cell(row=working_row, column=start_index)
-                cell.value = cell_value
-
-            except Exception as e:
-                raise ScenarsError(f"Error creating timetable cell: {str(e)}")
-
-            cell.alignment = Alignment(wrap_text=True, horizontal="center", vertical="center")
-            lines = str(cell_value).split("\n")
-            for idx, _ in enumerate(lines):
-                if idx == 0:
-                    cell.font = Font(bold=True)
-                elif idx == 1:
-                    cell.font = Font(bold=False)
-                elif idx > 1 and pd.notna(row['Poznamka']):
-                    cell.font = Font(italic=True)
-
-            cell.fill = PatternFill(start_color=program_colors[row["Typ"]],
-                                    end_color=program_colors[row["Typ"]],
-                                    fill_type="solid")
-            cell.border = thick_border
-
-        # Update current_row to be after all rows for this date
-        if occupied_cells:
-            max_row_for_date = max(r for r, c in occupied_cells)
-            current_row = max_row_for_date + 1
-        else:
-            current_row += 1
-
-    # Legend
-    legend_row = current_row + 2
-    legend_max_length = 0
-    ws.cell(row=legend_row, column=1, value="Legenda:").font = Font(bold=True)
-    legend_row += 1
-    for typ, desc in program_descriptions.items():
-        legend_text = f"{desc} ({typ})"
-        legend_cell = ws.cell(row=legend_row, column=1, value=legend_text)
-        legend_cell.fill = PatternFill(start_color=program_colors[typ], fill_type="solid")
-        legend_max_length = max(legend_max_length, calculate_column_width(legend_text))
-        legend_row += 1
-
-    ws.column_dimensions[get_column_letter(1)].width = legend_max_length
-    for col in range(2, total_columns + 1):
-        ws.column_dimensions[get_column_letter(col)].width = 15
-
-    for row in ws.iter_rows(min_row=1, max_row=current_row - 1, min_col=1, max_col=total_columns):
-        for cell in row:
-            cell.alignment = Alignment(wrap_text=True, horizontal="center", vertical="center")
-            cell.border = thick_border
-
-    for row in ws.iter_rows(min_row=1, max_row=current_row - 1):
-        max_height = 0
-        for cell in row:
-            if cell.value:
-                height = calculate_row_height(cell.value, ws.column_dimensions[get_column_letter(cell.column)].width)
-                if height > max_height:
-                    max_height = height
-        ws.row_dimensions[row[0].row].height = max_height
-
-    return wb

app/core/validator.py

@@ -1,18 +1,9 @@
-"""
+"""Validation logic for Scenar Creator v3."""
-Validation logic for Scenar Creator.
-Extracted from scenar/core.py — validate_inputs, validate_excel_template, overlap detection.
-"""
 
-import pandas as pd
-from datetime import datetime
 import logging
 
 logger = logging.getLogger(__name__)
 
-DEFAULT_COLOR = "#ffffff"
-MAX_FILE_SIZE_MB = 10
-REQUIRED_COLUMNS = ["Datum", "Zacatek", "Konec", "Program", "Typ", "Garant", "Poznamka"]
-
 
 class ScenarsError(Exception):
     """Base exception for Scenar Creator."""
@@ -22,48 +13,3 @@ class ScenarsError(Exception):
 class ValidationError(ScenarsError):
     """Raised when input validation fails."""
     pass
-
-
-class TemplateError(ScenarsError):
-    """Raised when Excel template is invalid."""
-    pass
-
-
-def validate_inputs(title: str, detail: str, file_size: int) -> None:
-    """Validate user inputs for security and sanity."""
-    if not title or not isinstance(title, str):
-        raise ValidationError("Title is required and must be a string")
-    if len(title.strip()) == 0:
-        raise ValidationError("Title cannot be empty")
-    if len(title) > 200:
-        raise ValidationError("Title is too long (max 200 characters)")
-
-    if not detail or not isinstance(detail, str):
-        raise ValidationError("Detail is required and must be a string")
-    if len(detail.strip()) == 0:
-        raise ValidationError("Detail cannot be empty")
-    if len(detail) > 500:
-        raise ValidationError("Detail is too long (max 500 characters)")
-
-    if file_size > MAX_FILE_SIZE_MB * 1024 * 1024:
-        raise ValidationError(f"File size exceeds {MAX_FILE_SIZE_MB} MB limit")
-
-
-def normalize_time(time_str: str):
-    """Parse time string in formats %H:%M or %H:%M:%S."""
-    for fmt in ('%H:%M', '%H:%M:%S'):
-        try:
-            return datetime.strptime(time_str, fmt).time()
-        except ValueError:
-            continue
-    return None
-
-
-def validate_excel_template(df: pd.DataFrame) -> None:
-    """Validate that Excel has required columns."""
-    missing_cols = set(REQUIRED_COLUMNS) - set(df.columns)
-    if missing_cols:
-        raise TemplateError(
-            f"Excel template missing required columns: {', '.join(missing_cols)}. "
-            f"Expected: {', '.join(REQUIRED_COLUMNS)}"
-        )

app/main.py

@@ -10,7 +10,7 @@ from app.config import VERSION
 
 app = FastAPI(
     title="Scenar Creator",
-    description="Web tool for creating timetable scenarios from Excel or inline forms",
+    description="Web tool for creating experience course scenarios with canvas editor",
     version=VERSION,
 )
 

app/models/event.py

@@ -1,30 +1,33 @@
-"""Pydantic v2 models for Scenar Creator."""
+"""Pydantic v2 models for Scenar Creator v3."""
 
-from datetime import date, time
+import uuid
 from typing import List, Optional
 
 from pydantic import BaseModel, Field
 
 
 class Block(BaseModel):
-    datum: date
+    id: str = Field(default_factory=lambda: str(uuid.uuid4()))
-    zacatek: time
+    date: str  # "YYYY-MM-DD"
-    konec: time
+    start: str  # "HH:MM"
-    program: str
+    end: str  # "HH:MM"
-    typ: str
+    title: str
-    garant: Optional[str] = None
+    type_id: str
-    poznamka: Optional[str] = None
+    responsible: Optional[str] = None
+    notes: Optional[str] = None
 
 
 class ProgramType(BaseModel):
-    code: str
+    id: str
-    description: str
+    name: str
-    color: str  # hex #RRGGBB
+    color: str  # "#RRGGBB"
 
 
 class EventInfo(BaseModel):
-    title: str = Field(..., max_length=200)
+    title: str
-    detail: str = Field(..., max_length=500)
+    subtitle: Optional[str] = None
+    date: Optional[str] = None
+    location: Optional[str] = None
 
 
 class ScenarioDocument(BaseModel):

app/models/responses.py

@@ -1,6 +1,6 @@
 """API response models."""
 
-from typing import Any, List, Optional
+from typing import List
 
 from pydantic import BaseModel
 
@@ -13,10 +13,3 @@ class HealthResponse(BaseModel):
 class ValidationResponse(BaseModel):
     valid: bool
     errors: List[str] = []
-
-
-class ImportExcelResponse(BaseModel):
-    success: bool
-    document: Optional[Any] = None
-    errors: List[str] = []
-    warnings: List[str] = []

app/static/css/app.css

@@ -1,293 +1,711 @@
+/* Scenar Creator v3 — Main Stylesheet */
+
+:root {
+    --header-bg: #1e293b;
+    --accent: #3b82f6;
+    --accent-hover: #2563eb;
+    --danger: #ef4444;
+    --danger-hover: #dc2626;
+    --success: #22c55e;
+    --text: #1e293b;
+    --text-light: #64748b;
+    --border: #e2e8f0;
+    --bg: #f8fafc;
+    --white: #ffffff;
+    --sidebar-width: 280px;
+    --header-height: 56px;
+    --tab-height: 40px;
+    --grid-row-height: 30px;
+    --radius: 8px;
+    --radius-sm: 4px;
+    --shadow: 0 1px 3px rgba(0,0,0,0.1);
+    --shadow-lg: 0 4px 12px rgba(0,0,0,0.15);
+}
+
 * {
-    box-sizing: border-box;
     margin: 0;
     padding: 0;
+    box-sizing: border-box;
 }
 
 body {
-    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
+    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
-    background: #f5f5f5;
+    background: var(--bg);
-    color: #333;
+    color: var(--text);
-    line-height: 1.6;
+    font-size: 14px;
+    line-height: 1.5;
+    overflow: hidden;
+    height: 100vh;
 }
 
-.container {
+/* Header */
-    max-width: 1200px;
+.header {
-    margin: 0 auto;
+    height: var(--header-height);
-    padding: 20px;
+    background: var(--header-bg);
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    padding: 0 20px;
+    color: white;
+    z-index: 100;
 }
 
-h1 {
+.header-left {
-    text-align: center;
+    display: flex;
-    color: #2c3e50;
+    align-items: center;
-    margin-bottom: 5px;
+    gap: 10px;
 }
 
-.subtitle {
+.header-title {
-    text-align: center;
+    font-size: 18px;
-    color: #7f8c8d;
+    font-weight: 600;
-    margin-bottom: 20px;
+    letter-spacing: -0.3px;
+}
+
+.header-version {
+    font-size: 11px;
+    background: rgba(255,255,255,0.15);
+    padding: 2px 8px;
+    border-radius: 10px;
+    font-weight: 500;
+}
+
+.header-actions {
+    display: flex;
+    gap: 8px;
+    align-items: center;
 }
 
 /* Tabs */
 .tabs {
+    height: var(--tab-height);
+    background: var(--white);
+    border-bottom: 1px solid var(--border);
     display: flex;
+    padding: 0 20px;
     gap: 0;
-    margin-bottom: 0;
-    border-bottom: 2px solid #3498db;
 }
 
 .tab {
-    padding: 10px 24px;
+    padding: 0 16px;
-    border: 1px solid #ddd;
+    height: 100%;
-    border-bottom: none;
+    border: none;
-    background: #ecf0f1;
+    background: none;
     cursor: pointer;
-    font-size: 14px;
+    font-size: 13px;
-    border-radius: 6px 6px 0 0;
+    font-weight: 500;
-    transition: background 0.2s;
+    color: var(--text-light);
+    border-bottom: 2px solid transparent;
+    transition: all 0.15s;
+    font-family: inherit;
+}
+
+.tab:hover {
+    color: var(--text);
 }
 
 .tab.active {
-    background: #fff;
+    color: var(--accent);
-    border-color: #3498db;
+    border-bottom-color: var(--accent);
-    border-bottom: 2px solid #fff;
-    margin-bottom: -2px;
-    font-weight: bold;
-}
-
-.tab:hover:not(.active) {
-    background: #d5dbdb;
-}
-
-.tab-content {
-    display: none;
-    background: #fff;
-    padding: 20px;
-    border: 1px solid #ddd;
-    border-top: none;
-    border-radius: 0 0 6px 6px;
-}
-
-.tab-content.active {
-    display: block;
-}
-
-/* Form */
-.form-group {
-    margin-bottom: 15px;
-}
-
-.form-group label {
-    display: block;
-    font-weight: 600;
-    margin-bottom: 4px;
-}
-
-.form-group input[type="text"],
-.form-group input[type="file"] {
-    width: 100%;
-    padding: 8px 12px;
-    border: 1px solid #ccc;
-    border-radius: 4px;
-    font-size: 14px;
-}
-
-.form-actions {
-    margin-top: 20px;
-    display: flex;
-    gap: 10px;
 }
 
 /* Buttons */
 .btn {
-    display: inline-block;
+    display: inline-flex;
-    padding: 10px 20px;
+    align-items: center;
+    justify-content: center;
+    gap: 6px;
+    padding: 8px 16px;
     border: none;
-    border-radius: 4px;
+    border-radius: var(--radius-sm);
+    font-size: 13px;
+    font-weight: 500;
     cursor: pointer;
-    font-size: 14px;
+    transition: all 0.15s;
-    text-decoration: none;
+    font-family: inherit;
-    text-align: center;
+    white-space: nowrap;
-    transition: background 0.2s;
 }
 
 .btn-primary {
-    background: #3498db;
+    background: var(--accent);
-    color: #fff;
+    color: white;
 }
 
 .btn-primary:hover {
-    background: #2980b9;
+    background: var(--accent-hover);
 }
 
 .btn-secondary {
-    background: #95a5a6;
+    background: rgba(255,255,255,0.12);
-    color: #fff;
+    color: white;
+    border: 1px solid rgba(255,255,255,0.2);
 }
 
 .btn-secondary:hover {
-    background: #7f8c8d;
+    background: rgba(255,255,255,0.2);
 }
 
 .btn-danger {
-    background: #e74c3c;
+    background: var(--danger);
-    color: #fff;
+    color: white;
 }
 
 .btn-danger:hover {
-    background: #c0392b;
+    background: var(--danger-hover);
 }
 
 .btn-sm {
-    padding: 4px 10px;
+    padding: 6px 12px;
     font-size: 12px;
 }
 
-/* Types */
+.btn-xs {
+    padding: 4px 10px;
+    font-size: 11px;
+    background: var(--bg);
+    color: var(--text-light);
+    border: 1px solid var(--border);
+}
+
+.btn-xs:hover {
+    background: var(--border);
+    color: var(--text);
+}
+
+.btn-block {
+    width: 100%;
+}
+
+/* Layout */
+.tab-content {
+    height: calc(100vh - var(--header-height) - var(--tab-height));
+    overflow: hidden;
+}
+
+.tab-content.hidden {
+    display: none;
+}
+
+.app-layout {
+    display: flex;
+    height: 100%;
+}
+
+/* Sidebar */
+.sidebar {
+    width: var(--sidebar-width);
+    min-width: var(--sidebar-width);
+    background: var(--white);
+    border-right: 1px solid var(--border);
+    overflow-y: auto;
+    padding: 16px;
+}
+
+.sidebar-section {
+    margin-bottom: 20px;
+}
+
+.sidebar-heading {
+    font-size: 11px;
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
+    color: var(--text-light);
+    margin-bottom: 10px;
+    font-weight: 600;
+}
+
+.form-group {
+    margin-bottom: 10px;
+}
+
+.form-group label {
+    display: block;
+    font-size: 12px;
+    font-weight: 500;
+    color: var(--text-light);
+    margin-bottom: 4px;
+}
+
+.form-group input[type="text"],
+.form-group input[type="date"],
+.form-group input[type="time"],
+.form-group select,
+.form-group textarea {
+    width: 100%;
+    padding: 7px 10px;
+    border: 1px solid var(--border);
+    border-radius: var(--radius-sm);
+    font-size: 13px;
+    font-family: inherit;
+    background: var(--white);
+    color: var(--text);
+    transition: border-color 0.15s;
+}
+
+.form-group input:focus,
+.form-group select:focus,
+.form-group textarea:focus {
+    outline: none;
+    border-color: var(--accent);
+    box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
+}
+
+.form-row {
+    display: flex;
+    gap: 10px;
+}
+
+.form-row .form-group {
+    flex: 1;
+}
+
+/* Program type rows */
 .type-row {
     display: flex;
-    gap: 8px;
-    margin-bottom: 8px;
     align-items: center;
+    gap: 6px;
+    margin-bottom: 8px;
+    padding: 6px 8px;
+    background: var(--bg);
+    border-radius: var(--radius-sm);
+}
+
+.type-row input[type="color"] {
+    width: 28px;
+    height: 28px;
+    border: none;
+    border-radius: var(--radius-sm);
+    cursor: pointer;
+    padding: 0;
+    background: none;
 }
 
 .type-row input[type="text"] {
     flex: 1;
-    padding: 6px 10px;
+    padding: 5px 8px;
-    border: 1px solid #ccc;
+    border: 1px solid var(--border);
-    border-radius: 4px;
+    border-radius: var(--radius-sm);
+    font-size: 12px;
+    font-family: inherit;
 }
 
-.type-row input[type="color"] {
+.type-row input[type="text"]:focus {
-    width: 40px;
+    outline: none;
-    height: 32px;
+    border-color: var(--accent);
-    border: 1px solid #ccc;
+}
-    border-radius: 4px;
+
+.type-remove {
+    width: 22px;
+    height: 22px;
+    border: none;
+    background: none;
+    color: var(--text-light);
     cursor: pointer;
+    font-size: 16px;
+    line-height: 1;
+    border-radius: 50%;
+    display: flex;
+    align-items: center;
+    justify-content: center;
 }
 
-.type-code {
+.type-remove:hover {
-    max-width: 200px;
+    background: var(--danger);
+    color: white;
 }
 
-/* Schedule table */
+/* Canvas */
-#scheduleTable {
+.canvas-wrapper {
+    flex: 1;
+    display: flex;
+    flex-direction: column;
+    overflow: hidden;
+    background: var(--bg);
+}
+
+.canvas-header {
+    display: flex;
+    padding: 0 0 0 60px;
+    background: var(--white);
+    border-bottom: 1px solid var(--border);
+    min-height: 36px;
+    align-items: stretch;
+}
+
+.canvas-header .day-header {
+    flex: 1;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    font-size: 12px;
+    font-weight: 600;
+    color: var(--text);
+    border-left: 1px solid var(--border);
+    padding: 8px;
+}
+
+.canvas-header .day-header:first-child {
+    border-left: none;
+}
+
+.canvas-scroll {
+    flex: 1;
+    overflow-y: auto;
+    overflow-x: hidden;
+    position: relative;
+}
+
+.canvas {
+    display: flex;
+    position: relative;
+    min-height: 600px;
+}
+
+.time-axis {
+    width: 60px;
+    min-width: 60px;
+    position: relative;
+    background: var(--white);
+    border-right: 1px solid var(--border);
+}
+
+.time-label {
+    position: absolute;
+    right: 8px;
+    font-size: 11px;
+    color: var(--text-light);
+    transform: translateY(-50%);
+    font-variant-numeric: tabular-nums;
+}
+
+.day-columns {
+    flex: 1;
+    display: flex;
+    position: relative;
+}
+
+.day-column {
+    flex: 1;
+    position: relative;
+    border-left: 1px solid var(--border);
+    min-width: 200px;
+}
+
+.day-column:first-child {
+    border-left: none;
+}
+
+/* Grid lines */
+.grid-line {
+    position: absolute;
+    left: 0;
+    right: 0;
+    height: 1px;
+    background: var(--border);
+    pointer-events: none;
+}
+
+.grid-line.hour {
+    background: var(--border);
+}
+
+.grid-line.half {
+    background: #f1f5f9;
+}
+
+/* Schedule blocks */
+.schedule-block {
+    position: absolute;
+    left: 4px;
+    right: 4px;
+    border-radius: 6px;
+    padding: 6px 8px;
+    cursor: grab;
+    overflow: hidden;
+    transition: box-shadow 0.15s;
+    z-index: 10;
+    display: flex;
+    flex-direction: column;
+    min-height: 20px;
+    user-select: none;
+    touch-action: none;
+}
+
+.schedule-block:hover {
+    box-shadow: var(--shadow-lg);
+    z-index: 20;
+}
+
+.schedule-block:active {
+    cursor: grabbing;
+}
+
+.schedule-block .block-color-bar {
+    position: absolute;
+    left: 0;
+    top: 0;
+    bottom: 0;
+    width: 4px;
+    border-radius: 6px 0 0 6px;
+}
+
+.schedule-block .block-title {
+    font-size: 12px;
+    font-weight: 600;
+    color: white;
+    line-height: 1.2;
+    padding-left: 4px;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+}
+
+.schedule-block .block-time {
+    font-size: 10px;
+    color: rgba(255,255,255,0.8);
+    padding-left: 4px;
+}
+
+.schedule-block .block-responsible {
+    font-size: 10px;
+    color: rgba(255,255,255,0.7);
+    padding-left: 4px;
+    margin-top: auto;
+}
+
+.schedule-block.light-bg .block-title {
+    color: var(--text);
+}
+
+.schedule-block.light-bg .block-time {
+    color: var(--text-light);
+}
+
+.schedule-block.light-bg .block-responsible {
+    color: var(--text-light);
+}
+
+/* Resize handle */
+.schedule-block .resize-handle {
+    position: absolute;
+    bottom: 0;
+    left: 0;
+    right: 0;
+    height: 8px;
+    cursor: s-resize;
+    background: transparent;
+}
+
+.schedule-block:hover .resize-handle {
+    background: rgba(0,0,0,0.1);
+    border-radius: 0 0 6px 6px;
+}
+
+/* Modal */
+.modal-overlay {
+    position: fixed;
+    inset: 0;
+    background: rgba(0,0,0,0.4);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    z-index: 1000;
+}
+
+.modal-overlay.hidden {
+    display: none;
+}
+
+.modal {
+    background: var(--white);
+    border-radius: var(--radius);
+    box-shadow: var(--shadow-lg);
+    width: 420px;
+    max-width: 90vw;
+    max-height: 90vh;
+    overflow-y: auto;
+}
+
+.modal-header {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    padding: 16px 20px;
+    border-bottom: 1px solid var(--border);
+}
+
+.modal-header h3 {
+    font-size: 16px;
+    font-weight: 600;
+}
+
+.modal-close {
+    width: 30px;
+    height: 30px;
+    border: none;
+    background: none;
+    font-size: 20px;
+    cursor: pointer;
+    color: var(--text-light);
+    border-radius: 50%;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+}
+
+.modal-close:hover {
+    background: var(--bg);
+}
+
+.modal-body {
+    padding: 20px;
+}
+
+.modal-footer {
+    display: flex;
+    justify-content: space-between;
+    padding: 16px 20px;
+    border-top: 1px solid var(--border);
+}
+
+/* Toast notification */
+.toast {
+    position: fixed;
+    bottom: 24px;
+    right: 24px;
+    padding: 12px 20px;
+    border-radius: var(--radius);
+    font-size: 13px;
+    font-weight: 500;
+    z-index: 2000;
+    transition: opacity 0.3s, transform 0.3s;
+    box-shadow: var(--shadow-lg);
+}
+
+.toast.hidden {
+    opacity: 0;
+    transform: translateY(10px);
+    pointer-events: none;
+}
+
+.toast.success {
+    background: var(--success);
+    color: white;
+}
+
+.toast.error {
+    background: var(--danger);
+    color: white;
+}
+
+.toast.info {
+    background: var(--accent);
+    color: white;
+}
+
+/* Documentation */
+.docs-container {
+    max-width: 800px;
+    margin: 0 auto;
+    padding: 32px 24px;
+    overflow-y: auto;
+    height: 100%;
+}
+
+.docs-container h2 {
+    font-size: 24px;
+    font-weight: 700;
+    margin-bottom: 24px;
+    color: var(--text);
+}
+
+.docs-container h3 {
+    font-size: 16px;
+    font-weight: 600;
+    margin-top: 24px;
+    margin-bottom: 12px;
+    color: var(--text);
+}
+
+.docs-container p {
+    margin-bottom: 12px;
+    color: var(--text-light);
+    line-height: 1.7;
+}
+
+.docs-container ul,
+.docs-container ol {
+    margin-bottom: 12px;
+    padding-left: 24px;
+    color: var(--text-light);
+}
+
+.docs-container li {
+    margin-bottom: 6px;
+    line-height: 1.6;
+}
+
+.docs-table {
     width: 100%;
     border-collapse: collapse;
-    margin: 10px 0;
+    margin: 16px 0;
-}
-
-#scheduleTable th,
-#scheduleTable td {
-    padding: 6px 8px;
-    border: 1px solid #ddd;
-    text-align: left;
-}
-
-#scheduleTable th {
-    background: #ecf0f1;
-    font-weight: 600;
     font-size: 13px;
 }
 
-#scheduleTable input {
+.docs-table th,
-    width: 100%;
+.docs-table td {
-    padding: 4px 6px;
-    border: 1px solid #ccc;
-    border-radius: 3px;
-    font-size: 13px;
-}
-
-#scheduleTable input[type="date"] {
-    min-width: 130px;
-}
-
-#scheduleTable input[type="time"] {
-    min-width: 90px;
-}
-
-/* Editor area */
-.editor-area {
-    background: #fff;
-    padding: 20px;
-    border: 1px solid #ddd;
-    border-radius: 6px;
-    margin-top: 20px;
-}
-
-.editor-area h2 {
-    margin-bottom: 10px;
-    color: #2c3e50;
-}
-
-.editor-area h3 {
-    margin: 15px 0 8px;
-    color: #34495e;
-}
-
-/* Imported type editor */
-.imported-type-row {
-    display: flex;
-    gap: 8px;
-    margin-bottom: 6px;
-    align-items: center;
-}
-
-.imported-type-row input[type="text"] {
-    flex: 1;
-    padding: 5px 8px;
-    border: 1px solid #ccc;
-    border-radius: 3px;
-}
-
-.imported-type-row input[type="color"] {
-    width: 36px;
-    height: 28px;
-    border: 1px solid #ccc;
-    border-radius: 3px;
-}
-
-/* Block list */
-.block-item {
-    background: #f9f9f9;
     padding: 8px 12px;
-    margin-bottom: 4px;
+    text-align: left;
-    border-radius: 4px;
+    border: 1px solid var(--border);
-    border-left: 4px solid #3498db;
-    font-size: 13px;
 }
 
-/* Status message */
+.docs-table th {
-.status-message {
+    background: var(--bg);
-    margin-top: 15px;
+    font-weight: 600;
-    padding: 12px;
+    color: var(--text);
-    border-radius: 4px;
-    font-size: 14px;
 }
 
-.status-message.success {
+.docs-table td {
-    background: #d5f5e3;
+    color: var(--text-light);
-    color: #27ae60;
-    border: 1px solid #27ae60;
 }
 
-.status-message.error {
+/* Canvas click area for creating blocks */
-    background: #fadbd8;
+.day-column-click-area {
-    color: #e74c3c;
+    position: absolute;
-    border: 1px solid #e74c3c;
+    inset: 0;
+    z-index: 1;
 }
 
-/* JSON import */
+/* Scrollbar */
-.json-import {
+.canvas-scroll::-webkit-scrollbar,
-    margin-top: 20px;
+.sidebar::-webkit-scrollbar {
-    padding: 10px;
+    width: 6px;
-    background: #fafafa;
-    border-radius: 4px;
-    font-size: 13px;
 }
 
-h3 {
+.canvas-scroll::-webkit-scrollbar-track,
-    margin: 20px 0 10px;
+.sidebar::-webkit-scrollbar-track {
-    color: #2c3e50;
+    background: transparent;
+}
+
+.canvas-scroll::-webkit-scrollbar-thumb,
+.sidebar::-webkit-scrollbar-thumb {
+    background: var(--border);
+    border-radius: 3px;
+}
+
+.canvas-scroll::-webkit-scrollbar-thumb:hover,
+.sidebar::-webkit-scrollbar-thumb:hover {
+    background: var(--text-light);
+}
+
+/* Sidebar buttons in non-header context */
+.sidebar .btn-secondary {
+    background: var(--bg);
+    color: var(--text-light);
+    border: 1px solid var(--border);
+}
+
+.sidebar .btn-secondary:hover {
+    background: var(--border);
+    color: var(--text);
 }

app/static/index.html

@@ -3,131 +3,193 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>Scenar Creator</title>
+    <title>Scenár Creator</title>
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap" rel="stylesheet">
     <link rel="stylesheet" href="/static/css/app.css">
 </head>
 <body>
-    <div class="container">
+    <header class="header">
-        <h1>Scenar Creator</h1>
+        <div class="header-left">
-        <p class="subtitle">Tvorba časových harmonogramů</p>
+            <h1 class="header-title">Scenár Creator</h1>
-
+            <span class="header-version">v3.0</span>
-        <!-- Tabs -->
-        <div class="tabs">
-            <button class="tab active" onclick="switchTab(event, 'importTab')">Importovat Excel</button>
-            <button class="tab" onclick="switchTab(event, 'builderTab')">Vytvořit inline</button>
         </div>
-
+        <div class="header-actions">
-        <!-- Import Excel Tab -->
+            <label class="btn btn-secondary btn-sm" id="importJsonBtn">
-        <div id="importTab" class="tab-content active">
+                <input type="file" accept=".json" id="importJsonInput" hidden>
-            <form id="importForm" onsubmit="return handleImport(event)">
+                Import JSON
-                <div class="form-group">
+            </label>
-                    <label for="importTitle">Název akce:</label>
+            <button class="btn btn-secondary btn-sm" id="newScenarioBtn">Nový scénář</button>
-                    <input type="text" id="importTitle" name="title" maxlength="200" required placeholder="Název události">
+            <button class="btn btn-secondary btn-sm" id="exportJsonBtn">Export JSON</button>
-                </div>
+            <button class="btn btn-primary btn-sm" id="generatePdfBtn">Generovat PDF</button>
-                <div class="form-group">
-                    <label for="importDetail">Detail:</label>
-                    <input type="text" id="importDetail" name="detail" maxlength="500" required placeholder="Popis události">
-                </div>
-                <div class="form-group">
-                    <label for="excelFile">Excel soubor:</label>
-                    <input type="file" id="excelFile" name="file" accept=".xlsx,.xls" required>
-                </div>
-                <div class="form-actions">
-                    <button type="submit" class="btn btn-primary">Importovat</button>
-                    <a href="/api/template" class="btn btn-secondary">Stáhnout šablonu</a>
-                </div>
-            </form>
         </div>
+    </header>
 
-        <!-- Builder Tab -->
+    <div class="tabs">
-        <div id="builderTab" class="tab-content">
+        <button class="tab active" data-tab="editor">Editor</button>
-            <form id="builderForm" onsubmit="return handleBuild(event)">
+        <button class="tab" data-tab="docs">Dokumentace</button>
-                <div class="form-group">
-                    <label for="builderTitle">Název akce:</label>
-                    <input type="text" id="builderTitle" name="title" maxlength="200" required placeholder="Název události">
-                </div>
-                <div class="form-group">
-                    <label for="builderDetail">Detail:</label>
-                    <input type="text" id="builderDetail" name="detail" maxlength="500" required placeholder="Popis události">
-                </div>
-
-                <h3>Typy programů</h3>
-                <div id="typesContainer">
-                    <div class="type-row" data-index="0">
-                        <input type="text" name="type_name_0" placeholder="Kód typu (např. WORKSHOP)" class="type-code">
-                        <input type="text" name="type_desc_0" placeholder="Popis">
-                        <input type="color" name="type_color_0" value="#0070C0">
-                        <button type="button" class="btn btn-danger btn-sm" onclick="removeTypeRow(0)">X</button>
-                    </div>
-                </div>
-                <button type="button" class="btn btn-secondary btn-sm" onclick="addTypeRow()">+ Přidat typ</button>
-
-                <h3>Časový harmonogram</h3>
-                <datalist id="availableTypes"></datalist>
-                <div id="scheduleContainer">
-                    <table id="scheduleTable">
-                        <thead>
-                            <tr>
-                                <th>Datum</th>
-                                <th>Začátek</th>
-                                <th>Konec</th>
-                                <th>Program</th>
-                                <th>Typ</th>
-                                <th>Garant</th>
-                                <th>Poznámka</th>
-                                <th></th>
-                            </tr>
-                        </thead>
-                        <tbody id="scheduleBody">
-                            <tr data-index="0">
-                                <td><input type="date" name="datum_0" required></td>
-                                <td><input type="time" name="zacatek_0" required></td>
-                                <td><input type="time" name="konec_0" required></td>
-                                <td><input type="text" name="program_0" required placeholder="Název bloku"></td>
-                                <td><input type="text" name="typ_0" list="availableTypes" required placeholder="Typ"></td>
-                                <td><input type="text" name="garant_0" placeholder="Garant"></td>
-                                <td><input type="text" name="poznamka_0" placeholder="Poznámka"></td>
-                                <td><button type="button" class="btn btn-danger btn-sm" onclick="removeScheduleRow(0)">X</button></td>
-                            </tr>
-                        </tbody>
-                    </table>
-                </div>
-                <button type="button" class="btn btn-secondary btn-sm" onclick="addScheduleRow()">+ Přidat řádek</button>
-
-                <div class="form-actions">
-                    <button type="submit" class="btn btn-primary" name="format" value="excel">Stáhnout Excel</button>
-                    <button type="button" class="btn btn-primary" onclick="handleBuildPdf()">Stáhnout PDF</button>
-                </div>
-            </form>
-        </div>
-
-        <!-- Import results / editor area -->
-        <div id="editorArea" class="editor-area" style="display:none;">
-            <h2>Importovaná data</h2>
-            <div id="importedInfo"></div>
-
-            <h3>Typy programů</h3>
-            <div id="importedTypesContainer"></div>
-
-            <h3>Bloky</h3>
-            <div id="importedBlocksContainer"></div>
-
-            <div class="form-actions">
-                <button class="btn btn-primary" onclick="generateExcelFromImport()">Stáhnout Excel</button>
-                <button class="btn btn-primary" onclick="generatePdfFromImport()">Stáhnout PDF</button>
-                <button class="btn btn-secondary" onclick="exportJson()">Exportovat JSON</button>
-            </div>
-        </div>
-
-        <!-- JSON import -->
-        <div class="json-import">
-            <label>Importovat JSON: <input type="file" id="jsonFile" accept=".json" onchange="handleJsonImport(event)"></label>
-        </div>
-
-        <div id="statusMessage" class="status-message" style="display:none;"></div>
     </div>
 
+    <div class="tab-content" id="tab-editor">
+        <div class="app-layout">
+            <aside class="sidebar">
+                <section class="sidebar-section">
+                    <h3 class="sidebar-heading">Informace o akci</h3>
+                    <div class="form-group">
+                        <label>Název</label>
+                        <input type="text" id="eventTitle" placeholder="Název akce">
+                    </div>
+                    <div class="form-group">
+                        <label>Podtitul</label>
+                        <input type="text" id="eventSubtitle" placeholder="Podtitul">
+                    </div>
+                    <div class="form-group">
+                        <label>Datum</label>
+                        <input type="date" id="eventDate">
+                    </div>
+                    <div class="form-group">
+                        <label>Místo</label>
+                        <input type="text" id="eventLocation" placeholder="Místo konání">
+                    </div>
+                </section>
+
+                <section class="sidebar-section">
+                    <h3 class="sidebar-heading">Typy programů</h3>
+                    <div id="programTypesContainer"></div>
+                    <button class="btn btn-secondary btn-xs" id="addTypeBtn">+ Přidat typ</button>
+                </section>
+
+                <section class="sidebar-section">
+                    <button class="btn btn-primary btn-block" id="addBlockBtn">+ Přidat blok</button>
+                </section>
+            </aside>
+
+            <main class="canvas-wrapper">
+                <div class="canvas-header" id="canvasHeader"></div>
+                <div class="canvas-scroll">
+                    <div class="canvas" id="canvas">
+                        <div class="time-axis" id="timeAxis"></div>
+                        <div class="day-columns" id="dayColumns"></div>
+                    </div>
+                </div>
+            </main>
+        </div>
+    </div>
+
+    <div class="tab-content hidden" id="tab-docs">
+        <div class="docs-container">
+            <h2>Dokumentace — Scenár Creator v3</h2>
+
+            <h3>Jak začít</h3>
+            <p>Máte dvě možnosti:</p>
+            <ol>
+                <li><strong>Nový scénář</strong> — klikněte na tlačítko "Nový scénář" v záhlaví. Vytvoří se prázdný scénář s jedním dnem.</li>
+                <li><strong>Import JSON</strong> — klikněte na "Import JSON" a vyberte dříve uložený .json soubor. Můžete také přetáhnout JSON soubor přímo na plochu editoru.</li>
+            </ol>
+
+            <h3>Práce s bloky</h3>
+            <ul>
+                <li><strong>Přidání bloku:</strong> Klikněte na "+ Přidat blok" v postranním panelu, nebo klikněte na prázdné místo na časové ose.</li>
+                <li><strong>Přesun bloku:</strong> Chytněte blok myší a přetáhněte ho na jiný čas. Bloky se přichytávají na 15minutovou mřížku.</li>
+                <li><strong>Změna délky:</strong> Chytněte dolní okraj bloku a tažením změňte dobu trvání.</li>
+                <li><strong>Úprava bloku:</strong> Klikněte na blok pro otevření editačního popup okna, kde můžete upravit název, typ, garanta a poznámku.</li>
+                <li><strong>Smazání bloku:</strong> V editačním popup okně klikněte na tlačítko "Smazat blok".</li>
+            </ul>
+
+            <h3>Typy programů a barvy</h3>
+            <p>V postranním panelu v sekci "Typy programů" můžete:</p>
+            <ul>
+                <li>Přidat nový typ kliknutím na "+ Přidat typ"</li>
+                <li>Pojmenovat typ a vybrat barvu pomocí barevného výběru</li>
+                <li>Odebrat typ kliknutím na tlačítko ×</li>
+            </ul>
+
+            <h3>Export JSON</h3>
+            <p>Kliknutím na "Export JSON" stáhnete aktuální stav scénáře jako .json soubor. Tento soubor můžete později znovu importovat a pokračovat v úpravách.</p>
+
+            <h3>Generování PDF</h3>
+            <p>Kliknutím na "Generovat PDF" se scénář odešle na server a vygeneruje se přehledný PDF dokument ve formátu A4 na šířku s barevnými bloky a legendou.</p>
+
+            <h3>Formát JSON</h3>
+            <table class="docs-table">
+                <thead>
+                    <tr><th>Pole</th><th>Typ</th><th>Popis</th></tr>
+                </thead>
+                <tbody>
+                    <tr><td>version</td><td>string</td><td>Verze formátu (1.0)</td></tr>
+                    <tr><td>event.title</td><td>string</td><td>Název akce</td></tr>
+                    <tr><td>event.subtitle</td><td>string?</td><td>Podtitul</td></tr>
+                    <tr><td>event.date</td><td>string?</td><td>Datum (YYYY-MM-DD)</td></tr>
+                    <tr><td>event.location</td><td>string?</td><td>Místo</td></tr>
+                    <tr><td>program_types[].id</td><td>string</td><td>Unikátní ID typu</td></tr>
+                    <tr><td>program_types[].name</td><td>string</td><td>Název typu</td></tr>
+                    <tr><td>program_types[].color</td><td>string</td><td>Barva (#RRGGBB)</td></tr>
+                    <tr><td>blocks[].id</td><td>string</td><td>Unikátní ID bloku</td></tr>
+                    <tr><td>blocks[].date</td><td>string</td><td>Datum (YYYY-MM-DD)</td></tr>
+                    <tr><td>blocks[].start</td><td>string</td><td>Začátek (HH:MM)</td></tr>
+                    <tr><td>blocks[].end</td><td>string</td><td>Konec (HH:MM)</td></tr>
+                    <tr><td>blocks[].title</td><td>string</td><td>Název bloku</td></tr>
+                    <tr><td>blocks[].type_id</td><td>string</td><td>ID typu programu</td></tr>
+                    <tr><td>blocks[].responsible</td><td>string?</td><td>Garant</td></tr>
+                    <tr><td>blocks[].notes</td><td>string?</td><td>Poznámka</td></tr>
+                </tbody>
+            </table>
+
+            <h3>Vzorový JSON</h3>
+            <p><a href="/api/sample" class="btn btn-secondary btn-sm">Stáhnout sample.json</a></p>
+        </div>
+    </div>
+
+    <!-- Block edit modal -->
+    <div class="modal-overlay hidden" id="blockModal">
+        <div class="modal">
+            <div class="modal-header">
+                <h3 id="modalTitle">Upravit blok</h3>
+                <button class="modal-close" id="modalClose">&times;</button>
+            </div>
+            <div class="modal-body">
+                <input type="hidden" id="modalBlockId">
+                <div class="form-group">
+                    <label>Název bloku</label>
+                    <input type="text" id="modalBlockTitle" placeholder="Název">
+                </div>
+                <div class="form-group">
+                    <label>Typ programu</label>
+                    <select id="modalBlockType"></select>
+                </div>
+                <div class="form-row">
+                    <div class="form-group">
+                        <label>Začátek</label>
+                        <input type="time" id="modalBlockStart">
+                    </div>
+                    <div class="form-group">
+                        <label>Konec</label>
+                        <input type="time" id="modalBlockEnd">
+                    </div>
+                </div>
+                <div class="form-group">
+                    <label>Garant</label>
+                    <input type="text" id="modalBlockResponsible" placeholder="Garant">
+                </div>
+                <div class="form-group">
+                    <label>Poznámka</label>
+                    <textarea id="modalBlockNotes" rows="3" placeholder="Poznámka"></textarea>
+                </div>
+            </div>
+            <div class="modal-footer">
+                <button class="btn btn-danger btn-sm" id="modalDeleteBtn">Smazat blok</button>
+                <button class="btn btn-primary btn-sm" id="modalSaveBtn">Uložit</button>
+            </div>
+        </div>
+    </div>
+
+    <!-- Status toast -->
+    <div class="toast hidden" id="toast"></div>
+
+    <script src="https://cdn.jsdelivr.net/npm/interactjs@1.10.27/dist/interact.min.js"></script>
     <script src="/static/js/api.js"></script>
+    <script src="/static/js/canvas.js"></script>
     <script src="/static/js/export.js"></script>
     <script src="/static/js/app.js"></script>
 </body>

app/static/js/api.js

@@ -1,5 +1,5 @@
 /**
- * API fetch wrapper for Scenar Creator.
+ * API fetch wrapper for Scenar Creator v3.
  */
 
 const API = {
@@ -9,10 +9,9 @@ const API = {
             opts.headers = { 'Content-Type': 'application/json' };
             opts.body = JSON.stringify(body);
         } else {
-            opts.body = body; // FormData
+            opts.body = body;
         }
-        const res = await fetch(url, opts);
+        return fetch(url, opts);
-        return res;
     },
 
     async postJson(url, body) {
@@ -33,21 +32,18 @@ const API = {
         return res.blob();
     },
 
-    async postFormData(url, formData) {
-        const res = await this.post(url, formData, false);
-        if (!res.ok) {
-            const err = await res.json().catch(() => ({ detail: res.statusText }));
-            throw new Error(err.detail || 'API error');
-        }
-        return res.json();
-    },
-
     async get(url) {
         const res = await fetch(url);
         if (!res.ok) throw new Error(res.statusText);
         return res.json();
     },
 
+    async getBlob(url) {
+        const res = await fetch(url);
+        if (!res.ok) throw new Error(res.statusText);
+        return res.blob();
+    },
+
     downloadBlob(blob, filename) {
         const url = URL.createObjectURL(blob);
         const a = document.createElement('a');

app/static/js/app.js

@@ -1,258 +1,304 @@
 /**
- * Main application logic for Scenar Creator SPA.
+ * Main application logic for Scenar Creator v3.
+ * State management, UI wiring, modal handling.
  */
 
-window.currentDocument = null;
+const App = {
-let typeCounter = 1;
+    state: {
-let scheduleCounter = 1;
+        event: { title: '', subtitle: '', date: '', location: '' },
+        program_types: [],
+        blocks: []
+    },
 
-/* --- Tab switching --- */
+    init() {
-function switchTab(event, tabId) {
+        this.bindEvents();
-    document.querySelectorAll('.tab').forEach(t => t.classList.remove('active'));
+        this.newScenario();
-    document.querySelectorAll('.tab-content').forEach(c => c.classList.remove('active'));
+    },
-    event.target.classList.add('active');
-    document.getElementById(tabId).classList.add('active');
-}
 
-/* --- Status messages --- */
+    // --- State ---
-function showStatus(message, type) {
-    const el = document.getElementById('statusMessage');
-    el.textContent = message;
-    el.className = 'status-message ' + type;
-    el.style.display = 'block';
-    setTimeout(() => { el.style.display = 'none'; }, 5000);
-}
 
-/* --- Type management --- */
+    getDocument() {
-function addTypeRow() {
+        this.syncEventFromUI();
-    const container = document.getElementById('typesContainer');
+        return {
-    const idx = typeCounter++;
+            version: '1.0',
-    const div = document.createElement('div');
+            event: { ...this.state.event },
-    div.className = 'type-row';
+            program_types: this.state.program_types.map(pt => ({ ...pt })),
-    div.setAttribute('data-index', idx);
+            blocks: this.state.blocks.map(b => ({ ...b }))
-    div.innerHTML = `
+        };
-        <input type="text" name="type_name_${idx}" placeholder="Kód typu" class="type-code">
+    },
-        <input type="text" name="type_desc_${idx}" placeholder="Popis">
-        <input type="color" name="type_color_${idx}" value="#0070C0">
-        <button type="button" class="btn btn-danger btn-sm" onclick="removeTypeRow(${idx})">X</button>
-    `;
-    container.appendChild(div);
-    updateTypeDatalist();
-}
 
-function removeTypeRow(idx) {
+    loadDocument(doc) {
-    const row = document.querySelector(`.type-row[data-index="${idx}"]`);
+        this.state.event = { ...doc.event };
-    if (row) row.remove();
+        this.state.program_types = (doc.program_types || []).map(pt => ({ ...pt }));
-    updateTypeDatalist();
+        this.state.blocks = (doc.blocks || []).map(b => ({
-}
+            ...b,
-
+            id: b.id || this.uid()
-function updateTypeDatalist() {
-    const datalist = document.getElementById('availableTypes');
-    datalist.innerHTML = '';
-    document.querySelectorAll('#typesContainer .type-row').forEach(row => {
-        const nameInput = row.querySelector('input[name^="type_name_"]');
-        if (nameInput && nameInput.value.trim()) {
-            const opt = document.createElement('option');
-            opt.value = nameInput.value.trim();
-            datalist.appendChild(opt);
-        }
-    });
-}
-
-// Update datalist on type name changes
-document.getElementById('typesContainer').addEventListener('input', function (e) {
-    if (e.target.name && e.target.name.startsWith('type_name_')) {
-        updateTypeDatalist();
-    }
-});
-
-/* --- Schedule management --- */
-function addScheduleRow() {
-    const tbody = document.getElementById('scheduleBody');
-    const idx = scheduleCounter++;
-    const tr = document.createElement('tr');
-    tr.setAttribute('data-index', idx);
-    tr.innerHTML = `
-        <td><input type="date" name="datum_${idx}" required></td>
-        <td><input type="time" name="zacatek_${idx}" required></td>
-        <td><input type="time" name="konec_${idx}" required></td>
-        <td><input type="text" name="program_${idx}" required placeholder="Název bloku"></td>
-        <td><input type="text" name="typ_${idx}" list="availableTypes" required placeholder="Typ"></td>
-        <td><input type="text" name="garant_${idx}" placeholder="Garant"></td>
-        <td><input type="text" name="poznamka_${idx}" placeholder="Poznámka"></td>
-        <td><button type="button" class="btn btn-danger btn-sm" onclick="removeScheduleRow(${idx})">X</button></td>
-    `;
-    tbody.appendChild(tr);
-}
-
-function removeScheduleRow(idx) {
-    const row = document.querySelector(`#scheduleBody tr[data-index="${idx}"]`);
-    if (row) row.remove();
-}
-
-/* --- Build ScenarioDocument from builder form --- */
-function buildDocumentFromForm() {
-    const title = document.getElementById('builderTitle').value.trim();
-    const detail = document.getElementById('builderDetail').value.trim();
-
-    if (!title || !detail) {
-        throw new Error('Název akce a detail jsou povinné');
-    }
-
-    // Collect types
-    const programTypes = [];
-    document.querySelectorAll('#typesContainer .type-row').forEach(row => {
-        const code = row.querySelector('input[name^="type_name_"]').value.trim();
-        const desc = row.querySelector('input[name^="type_desc_"]').value.trim();
-        const color = row.querySelector('input[name^="type_color_"]').value;
-        if (code) {
-            programTypes.push({ code, description: desc, color });
-        }
-    });
-
-    // Collect blocks
-    const blocks = [];
-    document.querySelectorAll('#scheduleBody tr').forEach(tr => {
-        const inputs = tr.querySelectorAll('input');
-        const datum = inputs[0].value;
-        const zacatek = inputs[1].value;
-        const konec = inputs[2].value;
-        const program = inputs[3].value.trim();
-        const typ = inputs[4].value.trim();
-        const garant = inputs[5].value.trim() || null;
-        const poznamka = inputs[6].value.trim() || null;
-
-        if (datum && zacatek && konec && program && typ) {
-            blocks.push({ datum, zacatek, konec, program, typ, garant, poznamka });
-        }
-    });
-
-    if (blocks.length === 0) {
-        throw new Error('Přidejte alespoň jeden blok');
-    }
-
-    return {
-        version: "1.0",
-        event: { title, detail },
-        program_types: programTypes,
-        blocks
-    };
-}
-
-/* --- Handle builder form submit (Excel) --- */
-async function handleBuild(event) {
-    event.preventDefault();
-    try {
-        const doc = buildDocumentFromForm();
-        const blob = await API.postBlob('/api/generate-excel', doc);
-        API.downloadBlob(blob, 'scenar_timetable.xlsx');
-        showStatus('Excel vygenerován', 'success');
-    } catch (err) {
-        showStatus('Chyba: ' + err.message, 'error');
-    }
-    return false;
-}
-
-/* --- Handle builder PDF --- */
-async function handleBuildPdf() {
-    try {
-        const doc = buildDocumentFromForm();
-        const blob = await API.postBlob('/api/generate-pdf', doc);
-        API.downloadBlob(blob, 'scenar_timetable.pdf');
-        showStatus('PDF vygenerován', 'success');
-    } catch (err) {
-        showStatus('Chyba: ' + err.message, 'error');
-    }
-}
-
-/* --- Handle Excel import --- */
-async function handleImport(event) {
-    event.preventDefault();
-    const form = document.getElementById('importForm');
-    const formData = new FormData(form);
-
-    try {
-        const result = await API.postFormData('/api/import-excel', formData);
-        if (result.success && result.document) {
-            window.currentDocument = result.document;
-            showImportedDocument(result.document);
-            if (result.warnings && result.warnings.length > 0) {
-                showStatus('Import OK, warnings: ' + result.warnings.join('; '), 'success');
-            } else {
-                showStatus('Excel importován', 'success');
-            }
-        } else {
-            showStatus('Import failed: ' + (result.errors || []).join('; '), 'error');
-        }
-    } catch (err) {
-        showStatus('Chyba importu: ' + err.message, 'error');
-    }
-    return false;
-}
-
-/* --- Show imported document in editor --- */
-function showImportedDocument(doc) {
-    const area = document.getElementById('editorArea');
-    area.style.display = 'block';
-
-    // Info
-    document.getElementById('importedInfo').innerHTML =
-        `<strong>${doc.event.title}</strong> — ${doc.event.detail}`;
-
-    // Types
-    const typesHtml = doc.program_types.map((pt, i) => `
-        <div class="imported-type-row">
-            <input type="text" value="${pt.code}" data-field="code" data-idx="${i}">
-            <input type="text" value="${pt.description}" data-field="description" data-idx="${i}">
-            <input type="color" value="${pt.color}" data-field="color" data-idx="${i}">
-        </div>
-    `).join('');
-    document.getElementById('importedTypesContainer').innerHTML = typesHtml;
-
-    // Blocks
-    const blocksHtml = doc.blocks.map(b =>
-        `<div class="block-item">${b.datum} ${b.zacatek}–${b.konec} | <strong>${b.program}</strong> [${b.typ}] ${b.garant || ''}</div>`
-    ).join('');
-    document.getElementById('importedBlocksContainer').innerHTML = blocksHtml;
-}
-
-/* --- Get current document (with any edits from import editor) --- */
-function getCurrentDocument() {
-    if (!window.currentDocument) {
-        throw new Error('No document loaded');
-    }
-    // Update types from editor
-    const typeRows = document.querySelectorAll('#importedTypesContainer .imported-type-row');
-    if (typeRows.length > 0) {
-        window.currentDocument.program_types = Array.from(typeRows).map(row => ({
-            code: row.querySelector('[data-field="code"]').value.trim(),
-            description: row.querySelector('[data-field="description"]').value.trim(),
-            color: row.querySelector('[data-field="color"]').value,
         }));
-    }
+        this.syncEventToUI();
-    return window.currentDocument;
+        this.renderTypes();
-}
+        this.renderCanvas();
+    },
 
-/* --- Generate Excel from imported data --- */
+    newScenario() {
-async function generateExcelFromImport() {
+        const today = new Date().toISOString().split('T')[0];
-    try {
+        this.state = {
-        const doc = getCurrentDocument();
+            event: { title: 'Nová akce', subtitle: '', date: today, location: '' },
-        const blob = await API.postBlob('/api/generate-excel', doc);
+            program_types: [
-        API.downloadBlob(blob, 'scenar_timetable.xlsx');
+                { id: 'main', name: 'Hlavní program', color: '#3B82F6' },
-        showStatus('Excel vygenerován', 'success');
+                { id: 'rest', name: 'Odpočinek', color: '#22C55E' }
-    } catch (err) {
+            ],
-        showStatus('Chyba: ' + err.message, 'error');
+            blocks: []
-    }
+        };
-}
+        this.syncEventToUI();
+        this.renderTypes();
+        this.renderCanvas();
+    },
 
-/* --- Generate PDF from imported data --- */
+    // --- Sync sidebar <-> state ---
-async function generatePdfFromImport() {
+
-    try {
+    syncEventFromUI() {
-        const doc = getCurrentDocument();
+        this.state.event.title = document.getElementById('eventTitle').value.trim() || 'Nová akce';
-        const blob = await API.postBlob('/api/generate-pdf', doc);
+        this.state.event.subtitle = document.getElementById('eventSubtitle').value.trim() || null;
-        API.downloadBlob(blob, 'scenar_timetable.pdf');
+        this.state.event.date = document.getElementById('eventDate').value || null;
-        showStatus('PDF vygenerován', 'success');
+        this.state.event.location = document.getElementById('eventLocation').value.trim() || null;
-    } catch (err) {
+    },
-        showStatus('Chyba: ' + err.message, 'error');
+
+    syncEventToUI() {
+        document.getElementById('eventTitle').value = this.state.event.title || '';
+        document.getElementById('eventSubtitle').value = this.state.event.subtitle || '';
+        document.getElementById('eventDate').value = this.state.event.date || '';
+        document.getElementById('eventLocation').value = this.state.event.location || '';
+    },
+
+    // --- Program types ---
+
+    renderTypes() {
+        const container = document.getElementById('programTypesContainer');
+        container.innerHTML = '';
+        this.state.program_types.forEach((pt, i) => {
+            const row = document.createElement('div');
+            row.className = 'type-row';
+            row.innerHTML = `
+                <input type="color" value="${pt.color}" data-idx="${i}">
+                <input type="text" value="${pt.name}" placeholder="Název typu" data-idx="${i}">
+                <button class="type-remove" data-idx="${i}">&times;</button>
+            `;
+            // Color change
+            row.querySelector('input[type="color"]').addEventListener('change', (e) => {
+                this.state.program_types[i].color = e.target.value;
+                this.renderCanvas();
+            });
+            // Name change
+            row.querySelector('input[type="text"]').addEventListener('change', (e) => {
+                this.state.program_types[i].name = e.target.value.trim();
+            });
+            // Remove
+            row.querySelector('.type-remove').addEventListener('click', () => {
+                this.state.program_types.splice(i, 1);
+                this.renderTypes();
+                this.renderCanvas();
+            });
+            container.appendChild(row);
+        });
+    },
+
+    addType() {
+        const id = 'type_' + this.uid().substring(0, 6);
+        this.state.program_types.push({
+            id,
+            name: 'Nový typ',
+            color: '#' + Math.floor(Math.random() * 16777215).toString(16).padStart(6, '0')
+        });
+        this.renderTypes();
+    },
+
+    // --- Blocks ---
+
+    createBlock(date, start, end) {
+        const typeId = this.state.program_types.length > 0 ? this.state.program_types[0].id : 'main';
+        const block = {
+            id: this.uid(),
+            date: date || this.state.event.date || new Date().toISOString().split('T')[0],
+            start: start || '09:00',
+            end: end || '10:00',
+            title: 'Nový blok',
+            type_id: typeId,
+            responsible: null,
+            notes: null
+        };
+        this.state.blocks.push(block);
+        this.renderCanvas();
+        this.editBlock(block.id);
+    },
+
+    updateBlockTime(blockId, start, end) {
+        const block = this.state.blocks.find(b => b.id === blockId);
+        if (block) {
+            block.start = start;
+            block.end = end;
+            this.renderCanvas();
+        }
+    },
+
+    deleteBlock(blockId) {
+        this.state.blocks = this.state.blocks.filter(b => b.id !== blockId);
+        this.renderCanvas();
+    },
+
+    // --- Canvas rendering ---
+
+    renderCanvas() {
+        const dates = this.getUniqueDates();
+        Canvas.renderTimeAxis();
+        Canvas.renderDayColumns(dates);
+        Canvas.renderBlocks(this.state.blocks, this.state.program_types);
+    },
+
+    getUniqueDates() {
+        const dateSet = new Set();
+        this.state.blocks.forEach(b => dateSet.add(b.date));
+        if (this.state.event.date) dateSet.add(this.state.event.date);
+        const dates = Array.from(dateSet).sort();
+        return dates.length > 0 ? dates : [new Date().toISOString().split('T')[0]];
+    },
+
+    // --- Modal ---
+
+    editBlock(blockId) {
+        const block = this.state.blocks.find(b => b.id === blockId);
+        if (!block) return;
+
+        document.getElementById('modalBlockId').value = block.id;
+        document.getElementById('modalBlockTitle').value = block.title;
+        document.getElementById('modalBlockStart').value = block.start;
+        document.getElementById('modalBlockEnd').value = block.end;
+        document.getElementById('modalBlockResponsible').value = block.responsible || '';
+        document.getElementById('modalBlockNotes').value = block.notes || '';
+
+        // Populate type select
+        const select = document.getElementById('modalBlockType');
+        select.innerHTML = '';
+        this.state.program_types.forEach(pt => {
+            const opt = document.createElement('option');
+            opt.value = pt.id;
+            opt.textContent = pt.name;
+            if (pt.id === block.type_id) opt.selected = true;
+            select.appendChild(opt);
+        });
+
+        document.getElementById('blockModal').classList.remove('hidden');
+    },
+
+    saveBlockFromModal() {
+        const blockId = document.getElementById('modalBlockId').value;
+        const block = this.state.blocks.find(b => b.id === blockId);
+        if (!block) return;
+
+        block.title = document.getElementById('modalBlockTitle').value.trim() || 'Blok';
+        block.type_id = document.getElementById('modalBlockType').value;
+        block.start = document.getElementById('modalBlockStart').value;
+        block.end = document.getElementById('modalBlockEnd').value;
+        block.responsible = document.getElementById('modalBlockResponsible').value.trim() || null;
+        block.notes = document.getElementById('modalBlockNotes').value.trim() || null;
+
+        this.closeModal();
+        this.renderCanvas();
+    },
+
+    closeModal() {
+        document.getElementById('blockModal').classList.add('hidden');
+    },
+
+    // --- Toast ---
+
+    toast(message, type) {
+        const el = document.getElementById('toast');
+        el.textContent = message;
+        el.className = 'toast ' + (type || 'info');
+        setTimeout(() => el.classList.add('hidden'), 3000);
+    },
+
+    // --- PDF ---
+
+    async generatePdf() {
+        try {
+            const doc = this.getDocument();
+            if (doc.blocks.length === 0) {
+                this.toast('Přidejte alespoň jeden blok', 'error');
+                return;
+            }
+            const blob = await API.postBlob('/api/generate-pdf', doc);
+            API.downloadBlob(blob, 'scenar_timetable.pdf');
+            this.toast('PDF vygenerován', 'success');
+        } catch (err) {
+            this.toast('Chyba: ' + err.message, 'error');
+        }
+    },
+
+    // --- Utility ---
+
+    uid() {
+        return 'xxxx-xxxx-xxxx'.replace(/x/g, () =>
+            Math.floor(Math.random() * 16).toString(16)
+        );
+    },
+
+    // --- Event binding ---
+
+    bindEvents() {
+        // Tabs
+        document.querySelectorAll('.tab').forEach(tab => {
+            tab.addEventListener('click', () => {
+                document.querySelectorAll('.tab').forEach(t => t.classList.remove('active'));
+                document.querySelectorAll('.tab-content').forEach(c => c.classList.add('hidden'));
+                tab.classList.add('active');
+                document.getElementById('tab-' + tab.dataset.tab).classList.remove('hidden');
+            });
+        });
+
+        // Header buttons
+        document.getElementById('newScenarioBtn').addEventListener('click', () => this.newScenario());
+        document.getElementById('exportJsonBtn').addEventListener('click', () => exportJson());
+        document.getElementById('generatePdfBtn').addEventListener('click', () => this.generatePdf());
+
+        // Import JSON
+        document.getElementById('importJsonInput').addEventListener('change', (e) => {
+            if (e.target.files[0]) importJson(e.target.files[0]);
+            e.target.value = '';
+        });
+
+        // Sidebar
+        document.getElementById('addTypeBtn').addEventListener('click', () => this.addType());
+        document.getElementById('addBlockBtn').addEventListener('click', () => this.createBlock());
+
+        // Modal
+        document.getElementById('modalSaveBtn').addEventListener('click', () => this.saveBlockFromModal());
+        document.getElementById('modalClose').addEventListener('click', () => this.closeModal());
+        document.getElementById('modalDeleteBtn').addEventListener('click', () => {
+            const blockId = document.getElementById('modalBlockId').value;
+            this.closeModal();
+            this.deleteBlock(blockId);
+        });
+
+        // Close modal on overlay click
+        document.getElementById('blockModal').addEventListener('click', (e) => {
+            if (e.target.classList.contains('modal-overlay')) this.closeModal();
+        });
+
+        // Drag & drop JSON on canvas
+        const canvasWrapper = document.querySelector('.canvas-wrapper');
+        if (canvasWrapper) {
+            canvasWrapper.addEventListener('dragover', (e) => e.preventDefault());
+            canvasWrapper.addEventListener('drop', (e) => {
+                e.preventDefault();
+                const file = e.dataTransfer.files[0];
+                if (file && file.name.endsWith('.json')) {
+                    importJson(file);
+                }
+            });
+        }
     }
-}
+};
+
+// Boot
+document.addEventListener('DOMContentLoaded', () => App.init());

app/static/js/canvas.js

@@ -0,0 +1,267 @@
+/**
+ * Canvas editor for Scenar Creator v3.
+ * Renders schedule blocks on a time-grid canvas with drag & drop via interact.js.
+ */
+
+const Canvas = {
+    GRID_MINUTES: 15,
+    PX_PER_SLOT: 30, // 30px per 15 min
+    START_HOUR: 7,
+    END_HOUR: 23,
+
+    get pxPerMinute() {
+        return this.PX_PER_SLOT / this.GRID_MINUTES;
+    },
+
+    get totalSlots() {
+        return ((this.END_HOUR - this.START_HOUR) * 60) / this.GRID_MINUTES;
+    },
+
+    get totalHeight() {
+        return this.totalSlots * this.PX_PER_SLOT;
+    },
+
+    minutesToPx(minutes) {
+        return (minutes - this.START_HOUR * 60) * this.pxPerMinute;
+    },
+
+    pxToMinutes(px) {
+        return Math.round(px / this.pxPerMinute + this.START_HOUR * 60);
+    },
+
+    snapMinutes(minutes) {
+        return Math.round(minutes / this.GRID_MINUTES) * this.GRID_MINUTES;
+    },
+
+    formatTime(totalMinutes) {
+        const h = Math.floor(totalMinutes / 60);
+        const m = totalMinutes % 60;
+        return `${String(h).padStart(2, '0')}:${String(m).padStart(2, '0')}`;
+    },
+
+    parseTime(str) {
+        const [h, m] = str.split(':').map(Number);
+        return h * 60 + m;
+    },
+
+    isLightColor(hex) {
+        const h = hex.replace('#', '');
+        const r = parseInt(h.substring(0, 2), 16);
+        const g = parseInt(h.substring(2, 4), 16);
+        const b = parseInt(h.substring(4, 6), 16);
+        return (0.299 * r + 0.587 * g + 0.114 * b) / 255 > 0.6;
+    },
+
+    renderTimeAxis() {
+        const axis = document.getElementById('timeAxis');
+        axis.innerHTML = '';
+        axis.style.height = this.totalHeight + 'px';
+
+        for (let slot = 0; slot <= this.totalSlots; slot++) {
+            const minutes = this.START_HOUR * 60 + slot * this.GRID_MINUTES;
+            const isHour = minutes % 60 === 0;
+            const isHalf = minutes % 30 === 0;
+
+            if (isHour || isHalf) {
+                const label = document.createElement('div');
+                label.className = 'time-label';
+                label.style.top = (slot * this.PX_PER_SLOT) + 'px';
+                label.textContent = this.formatTime(minutes);
+                if (!isHour) {
+                    label.style.fontSize = '9px';
+                    label.style.opacity = '0.6';
+                }
+                axis.appendChild(label);
+            }
+        }
+    },
+
+    renderDayColumns(dates) {
+        const header = document.getElementById('canvasHeader');
+        const columns = document.getElementById('dayColumns');
+        header.innerHTML = '';
+        columns.innerHTML = '';
+
+        if (dates.length === 0) dates = [new Date().toISOString().split('T')[0]];
+
+        dates.forEach(dateStr => {
+            // Header
+            const dh = document.createElement('div');
+            dh.className = 'day-header';
+            dh.textContent = dateStr;
+            header.appendChild(dh);
+
+            // Column
+            const col = document.createElement('div');
+            col.className = 'day-column';
+            col.dataset.date = dateStr;
+            col.style.height = this.totalHeight + 'px';
+
+            // Grid lines
+            for (let slot = 0; slot <= this.totalSlots; slot++) {
+                const minutes = this.START_HOUR * 60 + slot * this.GRID_MINUTES;
+                const line = document.createElement('div');
+                line.className = 'grid-line ' + (minutes % 60 === 0 ? 'hour' : 'half');
+                line.style.top = (slot * this.PX_PER_SLOT) + 'px';
+                col.appendChild(line);
+            }
+
+            // Click area for creating blocks
+            const clickArea = document.createElement('div');
+            clickArea.className = 'day-column-click-area';
+            clickArea.addEventListener('click', (e) => {
+                if (e.target !== clickArea) return;
+                const rect = col.getBoundingClientRect();
+                const y = e.clientY - rect.top;
+                const minutes = this.snapMinutes(this.pxToMinutes(y));
+                const endMinutes = Math.min(minutes + 60, this.END_HOUR * 60);
+                App.createBlock(dateStr, this.formatTime(minutes), this.formatTime(endMinutes));
+            });
+            col.appendChild(clickArea);
+
+            columns.appendChild(col);
+        });
+    },
+
+    renderBlocks(blocks, programTypes) {
+        // Remove existing blocks
+        document.querySelectorAll('.schedule-block').forEach(el => el.remove());
+
+        const typeMap = {};
+        programTypes.forEach(pt => { typeMap[pt.id] = pt; });
+
+        blocks.forEach(block => {
+            const col = document.querySelector(`.day-column[data-date="${block.date}"]`);
+            if (!col) return;
+
+            const pt = typeMap[block.type_id] || { color: '#94a3b8', name: '?' };
+            const startMin = this.parseTime(block.start);
+            const endMin = this.parseTime(block.end);
+            const top = this.minutesToPx(startMin);
+            const height = (endMin - startMin) * this.pxPerMinute;
+            const isLight = this.isLightColor(pt.color);
+
+            const el = document.createElement('div');
+            el.className = 'schedule-block' + (isLight ? ' light-bg' : '');
+            el.dataset.blockId = block.id;
+            el.style.top = top + 'px';
+            el.style.height = Math.max(height, 20) + 'px';
+            el.style.backgroundColor = pt.color;
+
+            el.innerHTML = `
+                <div class="block-color-bar" style="background:${this.darkenColor(pt.color)}"></div>
+                <div class="block-title">${this.escapeHtml(block.title)}</div>
+                <div class="block-time">${block.start} – ${block.end}</div>
+                ${block.responsible ? `<div class="block-responsible">${this.escapeHtml(block.responsible)}</div>` : ''}
+                <div class="resize-handle"></div>
+            `;
+
+            // Click to edit
+            el.addEventListener('click', (e) => {
+                if (e.target.classList.contains('resize-handle')) return;
+                App.editBlock(block.id);
+            });
+
+            col.appendChild(el);
+        });
+
+        this.initInteract();
+    },
+
+    initInteract() {
+        if (typeof interact === 'undefined') return;
+
+        interact('.schedule-block').draggable({
+            inertia: false,
+            modifiers: [
+                interact.modifiers.snap({
+                    targets: [interact.snappers.grid({
+                        x: 1, y: this.PX_PER_SLOT
+                    })],
+                    range: Infinity,
+                    relativePoint: { x: 0, y: 0 }
+                }),
+                interact.modifiers.restrict({
+                    restriction: 'parent',
+                    elementRect: { top: 0, left: 0, bottom: 1, right: 1 }
+                })
+            ],
+            listeners: {
+                start: (event) => {
+                    event.target.style.zIndex = 50;
+                    event.target.style.opacity = '0.9';
+                },
+                move: (event) => {
+                    const target = event.target;
+                    const y = (parseFloat(target.dataset.dragY) || 0) + event.dy;
+                    target.dataset.dragY = y;
+                    const currentTop = parseFloat(target.style.top) || 0;
+                    const newTop = currentTop + event.dy;
+                    target.style.top = newTop + 'px';
+                },
+                end: (event) => {
+                    const target = event.target;
+                    target.style.zIndex = '';
+                    target.style.opacity = '';
+                    target.dataset.dragY = 0;
+
+                    const blockId = target.dataset.blockId;
+                    const newTop = parseFloat(target.style.top);
+                    const height = parseFloat(target.style.height);
+
+                    const startMin = Canvas.snapMinutes(Canvas.pxToMinutes(newTop));
+                    const endMin = Canvas.snapMinutes(Canvas.pxToMinutes(newTop + height));
+
+                    App.updateBlockTime(blockId, Canvas.formatTime(startMin), Canvas.formatTime(endMin));
+                }
+            }
+        }).resizable({
+            edges: { bottom: '.resize-handle' },
+            modifiers: [
+                interact.modifiers.snap({
+                    targets: [interact.snappers.grid({
+                        x: 1, y: this.PX_PER_SLOT
+                    })],
+                    range: Infinity,
+                    relativePoint: { x: 0, y: 0 },
+                    offset: 'self'
+                }),
+                interact.modifiers.restrictSize({
+                    min: { width: 0, height: this.PX_PER_SLOT }
+                })
+            ],
+            listeners: {
+                move: (event) => {
+                    const target = event.target;
+                    target.style.height = event.rect.height + 'px';
+                },
+                end: (event) => {
+                    const target = event.target;
+                    const blockId = target.dataset.blockId;
+                    const top = parseFloat(target.style.top);
+                    const height = parseFloat(target.style.height);
+
+                    const startMin = Canvas.snapMinutes(Canvas.pxToMinutes(top));
+                    const endMin = Canvas.snapMinutes(Canvas.pxToMinutes(top + height));
+
+                    App.updateBlockTime(blockId, Canvas.formatTime(startMin), Canvas.formatTime(endMin));
+                }
+            }
+        });
+    },
+
+    darkenColor(hex) {
+        const h = hex.replace('#', '');
+        const r = Math.max(0, parseInt(h.substring(0, 2), 16) - 30);
+        const g = Math.max(0, parseInt(h.substring(2, 4), 16) - 30);
+        const b = Math.max(0, parseInt(h.substring(4, 6), 16) - 30);
+        return `rgb(${r},${g},${b})`;
+    },
+
+    escapeHtml(str) {
+        if (!str) return '';
+        const d = document.createElement('div');
+        d.textContent = str;
+        return d.innerHTML;
+    }
+};

app/static/js/export.js

@@ -1,33 +1,31 @@
 /**
- * JSON import/export for Scenar Creator.
+ * JSON import/export for Scenar Creator v3.
  */
 
 function exportJson() {
-    if (!window.currentDocument) {
+    const doc = App.getDocument();
-        showStatus('No document to export', 'error');
+    if (!doc) {
+        App.toast('Žádný scénář k exportu', 'error');
         return;
     }
-    const json = JSON.stringify(window.currentDocument, null, 2);
+    const json = JSON.stringify(doc, null, 2);
     const blob = new Blob([json], { type: 'application/json' });
     API.downloadBlob(blob, 'scenar_export.json');
+    App.toast('JSON exportován', 'success');
 }
 
-function handleJsonImport(event) {
+function importJson(file) {
-    const file = event.target.files[0];
-    if (!file) return;
-
     const reader = new FileReader();
     reader.onload = function (e) {
         try {
             const doc = JSON.parse(e.target.result);
             if (!doc.event || !doc.blocks || !doc.program_types) {
-                throw new Error('Invalid ScenarioDocument format');
+                throw new Error('Neplatný formát ScenarioDocument');
             }
-            window.currentDocument = doc;
+            App.loadDocument(doc);
-            showImportedDocument(doc);
+            App.toast('JSON importován', 'success');
-            showStatus('JSON imported successfully', 'success');
         } catch (err) {
-            showStatus('JSON import error: ' + err.message, 'error');
+            App.toast('Chyba importu: ' + err.message, 'error');
         }
     };
     reader.readAsText(file);

app/static/sample.json

@@ -0,0 +1,138 @@
+{
+  "version": "1.0",
+  "event": {
+    "title": "Zimní výjezd oddílu",
+    "subtitle": "Víkendový zážitkový kurz pro mladé",
+    "date": "2026-03-01",
+    "location": "Chata Horní Lhota"
+  },
+  "program_types": [
+    {
+      "id": "morning",
+      "name": "Ranní program",
+      "color": "#F97316"
+    },
+    {
+      "id": "main",
+      "name": "Hlavní program",
+      "color": "#3B82F6"
+    },
+    {
+      "id": "rest",
+      "name": "Odpočinek",
+      "color": "#22C55E"
+    }
+  ],
+  "blocks": [
+    {
+      "id": "b1",
+      "date": "2026-03-01",
+      "start": "08:00",
+      "end": "08:30",
+      "title": "Budíček a rozcvička",
+      "type_id": "morning",
+      "responsible": "Kuba",
+      "notes": "Venkovní rozcvička, pokud počasí dovolí"
+    },
+    {
+      "id": "b2",
+      "date": "2026-03-01",
+      "start": "08:30",
+      "end": "09:00",
+      "title": "Snídaně",
+      "type_id": "rest",
+      "responsible": "Kuchyň",
+      "notes": null
+    },
+    {
+      "id": "b3",
+      "date": "2026-03-01",
+      "start": "09:00",
+      "end": "10:30",
+      "title": "Stopovací hra v lese",
+      "type_id": "main",
+      "responsible": "Lucka",
+      "notes": "Rozdělení do 4 skupin, mapky připraveny"
+    },
+    {
+      "id": "b4",
+      "date": "2026-03-01",
+      "start": "10:30",
+      "end": "11:00",
+      "title": "Svačina a pauza",
+      "type_id": "rest",
+      "responsible": null,
+      "notes": null
+    },
+    {
+      "id": "b5",
+      "date": "2026-03-01",
+      "start": "11:00",
+      "end": "12:30",
+      "title": "Stavba iglú / přístřešků",
+      "type_id": "main",
+      "responsible": "Petr",
+      "notes": "Soutěž o nejlepší stavbu, potřeba lopaty a plachty"
+    },
+    {
+      "id": "b6",
+      "date": "2026-03-01",
+      "start": "12:30",
+      "end": "14:00",
+      "title": "Oběd a polední klid",
+      "type_id": "rest",
+      "responsible": "Kuchyň",
+      "notes": "Guláš + čaj"
+    },
+    {
+      "id": "b7",
+      "date": "2026-03-01",
+      "start": "14:00",
+      "end": "16:00",
+      "title": "Orientační běh",
+      "type_id": "main",
+      "responsible": "Honza",
+      "notes": "Trasa 3 km, kontroly rozmístěny od rána"
+    },
+    {
+      "id": "b8",
+      "date": "2026-03-01",
+      "start": "16:00",
+      "end": "16:30",
+      "title": "Svačina",
+      "type_id": "rest",
+      "responsible": null,
+      "notes": null
+    },
+    {
+      "id": "b9",
+      "date": "2026-03-01",
+      "start": "16:30",
+      "end": "18:00",
+      "title": "Workshopy dle výběru",
+      "type_id": "morning",
+      "responsible": "Lucka + Petr",
+      "notes": "Uzlování / Orientace s buzolou / Kresba mapy"
+    },
+    {
+      "id": "b10",
+      "date": "2026-03-01",
+      "start": "18:00",
+      "end": "19:00",
+      "title": "Večeře",
+      "type_id": "rest",
+      "responsible": "Kuchyň",
+      "notes": null
+    },
+    {
+      "id": "b11",
+      "date": "2026-03-01",
+      "start": "19:00",
+      "end": "21:00",
+      "title": "Noční hra – Světlušky",
+      "type_id": "main",
+      "responsible": "Honza + Kuba",
+      "notes": "Potřeba: čelovky, reflexní pásky, vysílačky"
+    }
+  ]
+}

requirements.txt

@@ -2,7 +2,5 @@ fastapi>=0.115
 uvicorn[standard]>=0.34
 python-multipart>=0.0.20
 reportlab>=4.0
-pandas>=2.1.3
-openpyxl>=3.1.5
 pytest>=7.4.3
 httpx>=0.27

tests/test_api.py

@@ -1,10 +1,7 @@
 """
-API endpoint tests using FastAPI TestClient.
+API endpoint tests for Scenar Creator v3.
 """
 
-import io
-import json
-import pandas as pd
 import pytest
 from fastapi.testclient import TestClient
 
@@ -16,11 +13,20 @@ def client():
     return TestClient(app)
 
 
-def make_excel_bytes(df: pd.DataFrame) -> bytes:
+def make_valid_doc():
-    bio = io.BytesIO()
+    return {
-    with pd.ExcelWriter(bio, engine='openpyxl') as writer:
+        "version": "1.0",
-        df.to_excel(writer, index=False)
+        "event": {"title": "Test Event"},
-    return bio.getvalue()
+        "program_types": [{"id": "ws", "name": "Workshop", "color": "#FF0000"}],
+        "blocks": [{
+            "id": "b1",
+            "date": "2026-03-01",
+            "start": "09:00",
+            "end": "10:00",
+            "title": "Opening",
+            "type_id": "ws"
+        }]
+    }
 
 
 def test_health(client):
@@ -28,28 +34,18 @@ def test_health(client):
     assert r.status_code == 200
     data = r.json()
     assert data["status"] == "ok"
-    assert data["version"] == "2.0.0"
+    assert data["version"] == "3.0.0"
 
 
 def test_root_returns_html(client):
     r = client.get("/")
     assert r.status_code == 200
     assert "text/html" in r.headers["content-type"]
-    assert "Scenar Creator" in r.text
+    assert "Scen" in r.text and "Creator" in r.text
 
 
 def test_validate_valid(client):
-    doc = {
+    doc = make_valid_doc()
-        "event": {"title": "Test", "detail": "Detail"},
-        "program_types": [{"code": "WS", "description": "Workshop", "color": "#FF0000"}],
-        "blocks": [{
-            "datum": "2025-11-13",
-            "zacatek": "09:00:00",
-            "konec": "10:00:00",
-            "program": "Opening",
-            "typ": "WS"
-        }]
-    }
     r = client.post("/api/validate", json=doc)
     assert r.status_code == 200
     data = r.json()
@@ -58,17 +54,8 @@ def test_validate_valid(client):
 
 
 def test_validate_unknown_type(client):
-    doc = {
+    doc = make_valid_doc()
-        "event": {"title": "Test", "detail": "Detail"},
+    doc["blocks"][0]["type_id"] = "UNKNOWN"
-        "program_types": [{"code": "WS", "description": "Workshop", "color": "#FF0000"}],
-        "blocks": [{
-            "datum": "2025-11-13",
-            "zacatek": "09:00:00",
-            "konec": "10:00:00",
-            "program": "Opening",
-            "typ": "UNKNOWN"
-        }]
-    }
     r = client.post("/api/validate", json=doc)
     assert r.status_code == 200
     data = r.json()
@@ -77,102 +64,81 @@ def test_validate_unknown_type(client):
 
 
 def test_validate_bad_time_order(client):
-    doc = {
+    doc = make_valid_doc()
-        "event": {"title": "Test", "detail": "Detail"},
+    doc["blocks"][0]["start"] = "10:00"
-        "program_types": [{"code": "WS", "description": "Workshop", "color": "#FF0000"}],
+    doc["blocks"][0]["end"] = "09:00"
-        "blocks": [{
+    r = client.post("/api/validate", json=doc)
-            "datum": "2025-11-13",
+    assert r.status_code == 200
-            "zacatek": "10:00:00",
+    data = r.json()
-            "konec": "09:00:00",
+    assert data["valid"] is False
-            "program": "Bad",
+    assert any("start time" in e for e in data["errors"])
-            "typ": "WS"
+
-        }]
+
-    }
+def test_validate_no_blocks(client):
+    doc = make_valid_doc()
+    doc["blocks"] = []
     r = client.post("/api/validate", json=doc)
     assert r.status_code == 200
     data = r.json()
     assert data["valid"] is False
 
 
-def test_import_excel(client):
+def test_validate_no_types(client):
-    df = pd.DataFrame({
+    doc = make_valid_doc()
-        'Datum': [pd.Timestamp('2025-11-13').date()],
+    doc["program_types"] = []
-        'Zacatek': ['09:00'],
+    r = client.post("/api/validate", json=doc)
-        'Konec': ['10:00'],
-        'Program': ['Test Program'],
-        'Typ': ['WORKSHOP'],
-        'Garant': ['John'],
-        'Poznamka': ['Note']
-    })
-
-    content = make_excel_bytes(df)
-    r = client.post(
-        "/api/import-excel",
-        files={"file": ("test.xlsx", content, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet")},
-        data={"title": "Imported Event", "detail": "From Excel"}
-    )
-
     assert r.status_code == 200
     data = r.json()
-    assert data["success"] is True
+    assert data["valid"] is False
-    assert data["document"] is not None
-    assert data["document"]["event"]["title"] == "Imported Event"
-    assert len(data["document"]["blocks"]) == 1
 
 
-def test_generate_excel(client):
+def test_sample_endpoint(client):
-    doc = {
+    r = client.get("/api/sample")
-        "event": {"title": "Test Event", "detail": "Test Detail"},
-        "program_types": [{"code": "WS", "description": "Workshop", "color": "#0070C0"}],
-        "blocks": [{
-            "datum": "2025-11-13",
-            "zacatek": "09:00:00",
-            "konec": "10:00:00",
-            "program": "Opening",
-            "typ": "WS",
-            "garant": "John",
-            "poznamka": "Note"
-        }]
-    }
-    r = client.post("/api/generate-excel", json=doc)
     assert r.status_code == 200
-    assert "spreadsheetml" in r.headers["content-type"]
+    data = r.json()
-    assert len(r.content) > 0
+    assert data["version"] == "1.0"
+    assert data["event"]["title"] == "Zimní výjezd oddílu"
+    assert len(data["program_types"]) == 3
+    assert len(data["blocks"]) >= 8
 
 
-def test_generate_excel_no_blocks(client):
+def test_sample_blocks_valid(client):
-    doc = {
+    r = client.get("/api/sample")
-        "event": {"title": "Test", "detail": "Detail"},
+    data = r.json()
-        "program_types": [{"code": "WS", "description": "Workshop", "color": "#FF0000"}],
+    type_ids = {pt["id"] for pt in data["program_types"]}
-        "blocks": []
+    for block in data["blocks"]:
-    }
+        assert block["type_id"] in type_ids
-    r = client.post("/api/generate-excel", json=doc)
+        assert block["start"] < block["end"]
+
+
+def test_generate_pdf(client):
+    doc = make_valid_doc()
+    r = client.post("/api/generate-pdf", json=doc)
+    assert r.status_code == 200
+    assert r.headers["content-type"] == "application/pdf"
+    assert r.content[:5] == b'%PDF-'
+
+
+def test_generate_pdf_no_blocks(client):
+    doc = make_valid_doc()
+    doc["blocks"] = []
+    r = client.post("/api/generate-pdf", json=doc)
     assert r.status_code == 422
 
 
-def test_export_json(client):
+def test_generate_pdf_multiday(client):
-    doc = {
+    doc = make_valid_doc()
-        "event": {"title": "Test", "detail": "Detail"},
+    doc["blocks"].append({
-        "program_types": [{"code": "WS", "description": "Workshop", "color": "#FF0000"}],
+        "id": "b2",
-        "blocks": [{
+        "date": "2026-03-02",
-            "datum": "2025-11-13",
+        "start": "14:00",
-            "zacatek": "09:00:00",
+        "end": "15:00",
-            "konec": "10:00:00",
+        "title": "Day 2 Session",
-            "program": "Opening",
+        "type_id": "ws"
-            "typ": "WS"
+    })
-        }]
+    r = client.post("/api/generate-pdf", json=doc)
-    }
-    r = client.post("/api/export-json", json=doc)
     assert r.status_code == 200
-    data = r.json()
+    assert r.content[:5] == b'%PDF-'
-    assert data["event"]["title"] == "Test"
-    assert len(data["blocks"]) == 1
-
-
-def test_template_download(client):
-    r = client.get("/api/template")
-    # Template might not exist in test env, but endpoint should work
-    assert r.status_code in [200, 404]
 
 
 def test_swagger_docs(client):

tests/test_core.py

@@ -1,532 +1,97 @@
 """
-Core business logic tests — adapted from original test_read_excel.py and test_inline_builder.py.
+Core logic tests for Scenar Creator v3.
-Tests the refactored app.core modules.
+Tests models, validation, and document structure.
 """
 
-import io
-import pandas as pd
 import pytest
-from datetime import date, time
+from pydantic import ValidationError as PydanticValidationError
 
-from app.core import (
+from app.models.event import Block, ProgramType, EventInfo, ScenarioDocument
-    read_excel, create_timetable, get_program_types, ScenarsError,
+from app.core.validator import ScenarsError, ValidationError
-    parse_inline_schedule, parse_inline_types, ValidationError,
-    validate_inputs, normalize_time,
-)
 
 
-def make_excel_bytes(df: pd.DataFrame) -> bytes:
+# --- Model tests ---
-    bio = io.BytesIO()
+
-    with pd.ExcelWriter(bio, engine='openpyxl') as writer:
+def test_block_default_id():
-        df.to_excel(writer, index=False)
+    b = Block(date="2026-03-01", start="09:00", end="10:00", title="Test", type_id="ws")
-    return bio.getvalue()
+    assert b.id is not None
+    assert len(b.id) > 0
+
+
+def test_block_optional_fields():
+    b = Block(date="2026-03-01", start="09:00", end="10:00", title="Test", type_id="ws")
+    assert b.responsible is None
+    assert b.notes is None
+
+
+def test_block_with_all_fields():
+    b = Block(
+        id="custom-id", date="2026-03-01", start="09:00", end="10:00",
+        title="Full Block", type_id="ws", responsible="John", notes="A note"
+    )
+    assert b.id == "custom-id"
+    assert b.responsible == "John"
+    assert b.notes == "A note"
+
+
+def test_program_type():
+    pt = ProgramType(id="main", name="Main Program", color="#3B82F6")
+    assert pt.id == "main"
+    assert pt.name == "Main Program"
+    assert pt.color == "#3B82F6"
+
+
+def test_event_info_minimal():
+    e = EventInfo(title="Test")
+    assert e.title == "Test"
+    assert e.subtitle is None
+    assert e.date is None
+    assert e.location is None
+
+
+def test_event_info_full():
+    e = EventInfo(title="Event", subtitle="Sub", date="2026-03-01", location="Prague")
+    assert e.location == "Prague"
+
+
+def test_scenario_document():
+    doc = ScenarioDocument(
+        event=EventInfo(title="Test"),
+        program_types=[ProgramType(id="ws", name="Workshop", color="#FF0000")],
+        blocks=[Block(date="2026-03-01", start="09:00", end="10:00", title="B1", type_id="ws")]
+    )
+    assert doc.version == "1.0"
+    assert len(doc.blocks) == 1
+    assert len(doc.program_types) == 1
+
+
+def test_scenario_document_serialization():
+    doc = ScenarioDocument(
+        event=EventInfo(title="Test"),
+        program_types=[ProgramType(id="ws", name="Workshop", color="#FF0000")],
+        blocks=[Block(id="b1", date="2026-03-01", start="09:00", end="10:00", title="B1", type_id="ws")]
+    )
+    data = doc.model_dump(mode="json")
+    assert data["event"]["title"] == "Test"
+    assert data["blocks"][0]["type_id"] == "ws"
+    assert data["blocks"][0]["id"] == "b1"
+
+
+def test_scenario_document_missing_title():
+    with pytest.raises(PydanticValidationError):
+        ScenarioDocument(
+            event=EventInfo(),
+            program_types=[],
+            blocks=[]
+        )
 
 
 # --- Validator tests ---
 
-def test_validate_inputs_valid():
+def test_scenars_error_hierarchy():
-    validate_inputs("Title", "Detail", 100)
+    assert issubclass(ValidationError, ScenarsError)
 
 
-def test_validate_inputs_empty_title():
+def test_validation_error_message():
-    with pytest.raises(ValidationError):
+    err = ValidationError("test error")
-        validate_inputs("", "Detail", 100)
+    assert str(err) == "test error"
-
-
-def test_validate_inputs_long_title():
-    with pytest.raises(ValidationError):
-        validate_inputs("x" * 201, "Detail", 100)
-
-
-def test_validate_inputs_file_too_large():
-    with pytest.raises(ValidationError):
-        validate_inputs("Title", "Detail", 11 * 1024 * 1024)
-
-
-def test_normalize_time_hhmm():
-    t = normalize_time("09:00")
-    assert t == time(9, 0)
-
-
-def test_normalize_time_hhmmss():
-    t = normalize_time("09:00:00")
-    assert t == time(9, 0)
-
-
-def test_normalize_time_invalid():
-    assert normalize_time("invalid") is None
-
-
-# --- Excel reader tests ---
-
-def test_read_excel_happy_path():
-    df = pd.DataFrame({
-        'Datum': [pd.Timestamp('2025-11-13').date()],
-        'Zacatek': ['09:00'],
-        'Konec': ['10:00'],
-        'Program': ['Test program'],
-        'Typ': ['WORKSHOP'],
-        'Garant': ['Garant Name'],
-        'Poznamka': ['Pozn']
-    })
-
-    content = make_excel_bytes(df)
-    valid, errors = read_excel(content)
-
-    assert isinstance(valid, pd.DataFrame)
-    assert len(errors) == 0
-    assert len(valid) == 1
-    assert valid.iloc[0]['Program'] == 'Test program'
-
-
-def test_read_excel_invalid_time():
-    df = pd.DataFrame({
-        'Datum': [pd.Timestamp('2025-11-13').date()],
-        'Zacatek': ['not-a-time'],
-        'Konec': ['10:00'],
-        'Program': ['Bad Time'],
-        'Typ': ['LECTURE'],
-        'Garant': [None],
-        'Poznamka': [None]
-    })
-
-    content = make_excel_bytes(df)
-    valid, errors = read_excel(content)
-
-    assert isinstance(errors, list)
-    assert len(errors) >= 1
-
-
-def test_get_program_types():
-    form_data = {
-        'type_code_0': 'WORKSHOP',
-        'type_code_1': 'LECTURE',
-        'desc_0': 'Workshop description',
-        'desc_1': 'Lecture description',
-        'color_0': '#FF0000',
-        'color_1': '#00FF00',
-    }
-
-    descriptions, colors = get_program_types(form_data)
-
-    assert len(descriptions) == 2
-    assert descriptions['WORKSHOP'] == 'Workshop description'
-    assert descriptions['LECTURE'] == 'Lecture description'
-    assert colors['WORKSHOP'] == 'FFFF0000'
-    assert colors['LECTURE'] == 'FF00FF00'
-
-
-# --- Timetable tests ---
-
-def test_create_timetable():
-    df = pd.DataFrame({
-        'Datum': [pd.Timestamp('2025-11-13').date()],
-        'Zacatek': [time(9, 0)],
-        'Konec': [time(10, 0)],
-        'Program': ['Test Program'],
-        'Typ': ['WORKSHOP'],
-        'Garant': ['John Doe'],
-        'Poznamka': ['Test note'],
-    })
-
-    program_descriptions = {'WORKSHOP': 'Workshop Type'}
-    program_colors = {'WORKSHOP': 'FF0070C0'}
-
-    wb = create_timetable(
-        df, title="Test Timetable", detail="Test Detail",
-        program_descriptions=program_descriptions,
-        program_colors=program_colors
-    )
-
-    assert wb is not None
-    assert len(wb.sheetnames) > 0
-    ws = wb.active
-    assert ws['A1'].value == "Test Timetable"
-    assert ws['A2'].value == "Test Detail"
-
-
-def test_create_timetable_with_color_dict():
-    df = pd.DataFrame({
-        'Datum': [pd.Timestamp('2025-11-13').date()],
-        'Zacatek': [time(9, 0)],
-        'Konec': [time(10, 0)],
-        'Program': ['Lecture 101'],
-        'Typ': ['LECTURE'],
-        'Garant': ['Dr. Smith'],
-        'Poznamka': [None],
-    })
-
-    program_descriptions = {'LECTURE': 'Standard Lecture'}
-    program_colors = {'LECTURE': 'FFFF6600'}
-
-    wb = create_timetable(
-        df, title="Advanced Timetable", detail="With color dict",
-        program_descriptions=program_descriptions,
-        program_colors=program_colors
-    )
-
-    assert wb is not None
-    ws = wb.active
-    assert ws['A1'].value == "Advanced Timetable"
-
-
-# --- Inline schedule tests ---
-
-def test_parse_inline_schedule():
-    form_data = {
-        'datum_0': '2025-11-13',
-        'zacatek_0': '09:00',
-        'konec_0': '10:00',
-        'program_0': 'Test Program',
-        'typ_0': 'WORKSHOP',
-        'garant_0': 'John Doe',
-        'poznamka_0': 'Test note',
-        'datum_1': '2025-11-13',
-        'zacatek_1': '10:30',
-        'konec_1': '11:30',
-        'program_1': 'Another Program',
-        'typ_1': 'LECTURE',
-        'garant_1': 'Jane Smith',
-        'poznamka_1': '',
-    }
-
-    df = parse_inline_schedule(form_data)
-
-    assert isinstance(df, pd.DataFrame)
-    assert len(df) == 2
-    assert df.iloc[0]['Program'] == 'Test Program'
-    assert df.iloc[0]['Typ'] == 'WORKSHOP'
-    assert df.iloc[1]['Program'] == 'Another Program'
-    assert df.iloc[1]['Typ'] == 'LECTURE'
-
-
-def test_parse_inline_schedule_missing_required():
-    form_data = {
-        'datum_0': '2025-11-13',
-        'zacatek_0': '09:00',
-    }
-
-    with pytest.raises(ValidationError):
-        parse_inline_schedule(form_data)
-
-
-def test_parse_inline_types():
-    form_data = {
-        'type_name_0': 'WORKSHOP',
-        'type_desc_0': 'Workshop Type',
-        'type_color_0': '#0070C0',
-        'type_name_1': 'LECTURE',
-        'type_desc_1': 'Lecture Type',
-        'type_color_1': '#FF6600',
-    }
-
-    descriptions, colors = parse_inline_types(form_data)
-
-    assert len(descriptions) == 2
-    assert descriptions['WORKSHOP'] == 'Workshop Type'
-    assert descriptions['LECTURE'] == 'Lecture Type'
-    assert colors['WORKSHOP'] == 'FF0070C0'
-    assert colors['LECTURE'] == 'FFFF6600'
-
-
-# --- Integration tests ---
-
-def test_inline_workflow_integration():
-    schedule_form = {
-        'datum_0': '2025-11-13',
-        'zacatek_0': '09:00',
-        'konec_0': '10:00',
-        'program_0': 'Opening',
-        'typ_0': 'KEYNOTE',
-        'garant_0': 'Dr. Smith',
-        'poznamka_0': 'Start of event',
-    }
-
-    types_form = {
-        'type_name_0': 'KEYNOTE',
-        'type_desc_0': 'Keynote Speech',
-        'type_color_0': '#FF0000',
-    }
-
-    form_data = {**schedule_form, **types_form}
-
-    df = parse_inline_schedule(form_data)
-    descriptions, colors = parse_inline_types(form_data)
-
-    wb = create_timetable(
-        df, title="Integration Test Event", detail="Testing inline workflow",
-        program_descriptions=descriptions, program_colors=colors
-    )
-
-    assert wb is not None
-    ws = wb.active
-    assert ws['A1'].value == "Integration Test Event"
-    assert ws['A2'].value == "Testing inline workflow"
-
-
-def test_excel_import_to_step2_workflow():
-    import base64
-
-    df = pd.DataFrame({
-        'Datum': [pd.Timestamp('2025-11-13').date()],
-        'Zacatek': ['09:00'],
-        'Konec': ['10:00'],
-        'Program': ['Opening Keynote'],
-        'Typ': ['KEYNOTE'],
-        'Garant': ['John Smith'],
-        'Poznamka': ['Welcome speech']
-    })
-
-    file_content = make_excel_bytes(df)
-
-    valid_data, errors = read_excel(file_content)
-    assert len(errors) == 0
-    assert len(valid_data) == 1
-
-    program_types = sorted([str(t).strip() for t in valid_data["Typ"].dropna().unique()])
-    assert program_types == ['KEYNOTE']
-
-    file_content_base64 = base64.b64encode(file_content).decode('utf-8')
-
-    form_data = {
-        'title': 'Test Event',
-        'detail': 'Test Detail',
-        'file_content_base64': file_content_base64,
-        'type_code_0': 'KEYNOTE',
-        'desc_0': 'Main keynote presentation',
-        'color_0': '#FF0000',
-        'step': '3'
-    }
-
-    descriptions, colors = get_program_types(form_data)
-
-    assert descriptions['KEYNOTE'] == 'Main keynote presentation'
-    assert colors['KEYNOTE'] == 'FFFF0000'
-
-    file_content_decoded = base64.b64decode(form_data['file_content_base64'])
-    data, _ = read_excel(file_content_decoded)
-
-    wb = create_timetable(
-        data, title=form_data['title'], detail=form_data['detail'],
-        program_descriptions=descriptions, program_colors=colors
-    )
-
-    assert wb is not None
-    ws = wb.active
-    assert ws['A1'].value == 'Test Event'
-    assert ws['A2'].value == 'Test Detail'
-
-
-def test_excel_import_to_inline_editor_workflow():
-    import base64
-
-    df = pd.DataFrame({
-        'Datum': [pd.Timestamp('2025-11-13').date(), pd.Timestamp('2025-11-14').date()],
-        'Zacatek': ['09:00', '14:00'],
-        'Konec': ['10:00', '15:30'],
-        'Program': ['Morning Session', 'Afternoon Workshop'],
-        'Typ': ['KEYNOTE', 'WORKSHOP'],
-        'Garant': ['Alice', 'Bob'],
-        'Poznamka': ['', 'Hands-on']
-    })
-
-    file_content = make_excel_bytes(df)
-
-    valid_data, errors = read_excel(file_content)
-    assert len(errors) == 0
-    assert len(valid_data) == 2
-
-    file_content_base64 = base64.b64encode(file_content).decode('utf-8')
-
-    file_content_decoded = base64.b64decode(file_content_base64)
-    data_in_editor, _ = read_excel(file_content_decoded)
-
-    assert len(data_in_editor) == 2
-    assert data_in_editor.iloc[0]['Program'] == 'Morning Session'
-    assert data_in_editor.iloc[1]['Program'] == 'Afternoon Workshop'
-
-    program_types = sorted([str(t).strip() for t in data_in_editor["Typ"].dropna().unique()])
-    assert set(program_types) == {'KEYNOTE', 'WORKSHOP'}
-
-
-# --- Inline builder tests (from test_inline_builder.py) ---
-
-def test_inline_builder_valid_form():
-    form_data = {
-        'title': 'Test Conference',
-        'detail': 'Testing inline builder',
-        'step': 'builder',
-        'datum_0': '2025-11-13',
-        'zacatek_0': '09:00',
-        'konec_0': '10:00',
-        'program_0': 'Opening Keynote',
-        'typ_0': 'KEYNOTE',
-        'garant_0': 'Dr. Smith',
-        'poznamka_0': 'Welcome speech',
-        'datum_1': '2025-11-13',
-        'zacatek_1': '10:30',
-        'konec_1': '11:30',
-        'program_1': 'Workshop: Python',
-        'typ_1': 'WORKSHOP',
-        'garant_1': 'Jane Doe',
-        'poznamka_1': 'Hands-on coding',
-        'type_name_0': 'KEYNOTE',
-        'type_desc_0': 'Main Address',
-        'type_color_0': '#FF0000',
-        'type_name_1': 'WORKSHOP',
-        'type_desc_1': 'Interactive Session',
-        'type_color_1': '#0070C0',
-    }
-
-    schedule = parse_inline_schedule(form_data)
-    assert len(schedule) == 2
-    assert schedule.iloc[0]['Program'] == 'Opening Keynote'
-
-    descriptions, colors = parse_inline_types(form_data)
-    assert len(descriptions) == 2
-    assert descriptions['KEYNOTE'] == 'Main Address'
-    assert colors['KEYNOTE'] == 'FFFF0000'
-
-    wb = create_timetable(
-        schedule, title=form_data['title'], detail=form_data['detail'],
-        program_descriptions=descriptions, program_colors=colors
-    )
-
-    assert wb is not None
-    ws = wb.active
-    assert ws['A1'].value == 'Test Conference'
-
-
-def test_inline_builder_missing_type_definition():
-    form_data = {
-        'datum_0': '2025-11-13',
-        'zacatek_0': '09:00',
-        'konec_0': '10:00',
-        'program_0': 'Unknown Program',
-        'typ_0': 'UNKNOWN_TYPE',
-        'garant_0': 'Someone',
-        'poznamka_0': '',
-        'type_name_0': 'LECTURE',
-        'type_desc_0': 'Standard Lecture',
-        'type_color_0': '#3498db',
-    }
-
-    schedule = parse_inline_schedule(form_data)
-    descriptions, colors = parse_inline_types(form_data)
-
-    with pytest.raises(Exception):
-        create_timetable(schedule, 'Bad', 'Bad', descriptions, colors)
-
-
-def test_inline_builder_empty_type_definition():
-    form_data = {
-        'type_name_0': '',
-        'type_desc_0': 'Empty type',
-        'type_color_0': '#FF0000',
-        'type_name_1': 'WORKSHOP',
-        'type_desc_1': 'Workshop Type',
-        'type_color_1': '#0070C0',
-    }
-
-    descriptions, colors = parse_inline_types(form_data)
-
-    assert 'WORKSHOP' in descriptions
-    assert '' not in descriptions
-
-
-def test_inline_builder_overlapping_times():
-    form_data = {
-        'datum_0': '2025-11-13',
-        'zacatek_0': '09:00',
-        'konec_0': '10:00',
-        'program_0': 'Program A',
-        'typ_0': 'WORKSHOP',
-        'garant_0': 'John',
-        'poznamka_0': '',
-        'datum_1': '2025-11-13',
-        'zacatek_1': '09:30',
-        'konec_1': '10:30',
-        'program_1': 'Program B',
-        'typ_1': 'WORKSHOP',
-        'garant_1': 'Jane',
-        'poznamka_1': '',
-        'type_name_0': 'WORKSHOP',
-        'type_desc_0': 'Workshop',
-        'type_color_0': '#0070C0',
-    }
-
-    schedule = parse_inline_schedule(form_data)
-    descriptions, colors = parse_inline_types(form_data)
-
-    assert len(schedule) == 2
-
-    wb = create_timetable(schedule, 'Conf', 'Test', descriptions, colors)
-    assert wb is not None
-
-
-def test_inline_builder_multiday():
-    form_data = {
-        'datum_0': '2025-11-13',
-        'zacatek_0': '09:00',
-        'konec_0': '10:00',
-        'program_0': 'Day 1 Opening',
-        'typ_0': 'KEYNOTE',
-        'garant_0': 'Dr. A',
-        'poznamka_0': '',
-        'datum_1': '2025-11-14',
-        'zacatek_1': '09:00',
-        'konec_1': '10:00',
-        'program_1': 'Day 2 Opening',
-        'typ_1': 'KEYNOTE',
-        'garant_1': 'Dr. B',
-        'poznamka_1': '',
-        'type_name_0': 'KEYNOTE',
-        'type_desc_0': 'Keynote Speech',
-        'type_color_0': '#FF6600',
-    }
-
-    schedule = parse_inline_schedule(form_data)
-    descriptions, colors = parse_inline_types(form_data)
-
-    wb = create_timetable(schedule, 'Multi-day', 'Test', descriptions, colors)
-
-    assert wb is not None
-    ws = wb.active
-    assert ws['A1'].value == 'Multi-day'
-
-
-def test_inline_builder_validation_errors():
-    form_data_missing = {
-        'datum_0': '2025-11-13',
-        'garant_0': 'John',
-    }
-
-    with pytest.raises(ValidationError):
-        parse_inline_schedule(form_data_missing)
-
-
-def test_inline_builder_with_empty_rows():
-    form_data = {
-        'datum_0': '2025-11-13',
-        'zacatek_0': '09:00',
-        'konec_0': '10:00',
-        'program_0': 'Program 1',
-        'typ_0': 'WORKSHOP',
-        'garant_0': 'John',
-        'poznamka_0': '',
-        'datum_1': '',
-        'zacatek_1': '',
-        'konec_1': '',
-        'program_1': '',
-        'typ_1': '',
-        'garant_1': '',
-        'poznamka_1': '',
-        'type_name_0': 'WORKSHOP',
-        'type_desc_0': 'Workshop',
-        'type_color_0': '#0070C0',
-    }
-
-    schedule = parse_inline_schedule(form_data)
-
-    assert len(schedule) == 1
-    assert schedule.iloc[0]['Program'] == 'Program 1'

tests/test_docker_integration.py

@@ -1,61 +0,0 @@
-import os
-import shutil
-import subprocess
-import time
-import urllib.request
-
-import pytest
-
-
-def podman_available():
-    return shutil.which("podman") is not None
-
-
-def wait_for_http(url, timeout=30):
-    end = time.time() + timeout
-    last_exc = None
-    while time.time() < end:
-        try:
-            with urllib.request.urlopen(url, timeout=3) as r:
-                body = r.read().decode('utf-8', errors='ignore')
-                return r.getcode(), body
-        except Exception as e:
-            last_exc = e
-            time.sleep(0.5)
-    raise RuntimeError(f"HTTP check failed after {timeout}s: {last_exc}")
-
-
-@pytest.mark.skipif(not podman_available(), reason="Podman is not available on this runner")
-@pytest.mark.integration
-def test_build_run_and_cleanup_podman():
-    image_tag = "scenar-creator:latest"
-    container_name = "scenar-creator-test"
-    port = int(os.environ.get('SCENAR_TEST_PORT', '8080'))
-
-    # Ensure podman machine is running (macOS/Windows)
-    if not subprocess.run(["podman", "machine", "info"], capture_output=True).returncode == 0:
-        print("Starting podman machine...")
-        subprocess.run(["podman", "machine", "start"], check=True)
-        time.sleep(2)
-
-    # Build image
-    subprocess.run(["podman", "build", "-t", image_tag, "."], check=True)
-
-    # Ensure no leftover container
-    subprocess.run(["podman", "rm", "-f", container_name], check=False)
-
-    try:
-        # Run container
-        subprocess.run([
-            "podman", "run", "-d", "--name", container_name, "-p", f"{port}:8080", image_tag
-        ], check=True)
-
-        # Wait for HTTP and verify content
-        code, body = wait_for_http(f"http://127.0.0.1:{port}/")
-        assert code == 200
-        assert "Vytvoření Scénáře" in body or "Scenar" in body or "Vytvoření" in body
-
-    finally:
-        # Cleanup container and image
-        subprocess.run(["podman", "rm", "-f", container_name], check=False)
-        subprocess.run(["podman", "rmi", image_tag], check=False)

tests/test_http_inline.py

@@ -1,138 +0,0 @@
-"""
-HTTP/CGI integration tests for inline builder workflow.
-Tests the real form submission through the CGI endpoint.
-"""
-
-import pytest
-import urllib.parse
-import subprocess
-import json
-from io import BytesIO
-
-
-def send_cgi_request(post_data=None, get_params=None):
-    """
-    Send HTTP request to local CGI server and return response.
-    Assumes server is running on localhost:8000
-    """
-    import urllib.request
-    import urllib.error
-    
-    url = "http://localhost:8000/cgi-bin/scenar.py"
-    
-    if get_params:
-        url += "?" + urllib.parse.urlencode(get_params)
-    
-    if post_data:
-        data = urllib.parse.urlencode(post_data).encode('utf-8')
-    else:
-        data = None
-    
-    try:
-        req = urllib.request.Request(url, data=data, method='POST' if data else 'GET')
-        with urllib.request.urlopen(req, timeout=10) as response:
-            return response.read().decode('utf-8'), response.status
-    except Exception as e:
-        return str(e), None
-
-
-@pytest.mark.integration
-def test_inline_builder_form_submission_valid():
-    """Test inline builder with valid form data."""
-    form_data = {
-        'title': 'Test Event',
-        'detail': 'Test Detail',
-        'step': 'builder',
-        
-        # Schedule row 0
-        'datum_0': '2025-11-13',
-        'zacatek_0': '09:00',
-        'konec_0': '10:00',
-        'program_0': 'Opening',
-        'typ_0': 'KEYNOTE',
-        'garant_0': 'John Smith',
-        'poznamka_0': 'Welcome',
-        
-        # Type definition 0
-        'type_name_0': 'KEYNOTE',
-        'type_desc_0': 'Main keynote',
-        'type_color_0': '#FF0000',
-    }
-    
-    response, status = send_cgi_request(post_data=form_data)
-    
-    # Should get 200 OK
-    assert status == 200, f"Expected 200, got {status}"
-    
-    # Response should contain success message
-    assert '✅ Scénář úspěšně vygenerován' in response or 'Stáhnout scénář' in response, \
-        f"Expected success message in response, got: {response[:500]}"
-    
-    # Should have download link
-    assert '/tmp/' in response, "Expected download link in response"
-
-
-@pytest.mark.integration
-def test_inline_builder_missing_type():
-    """Test that missing type definition is rejected."""
-    form_data = {
-        'title': 'Test Event',
-        'detail': 'Test Detail',
-        'step': 'builder',
-        
-        # Schedule with type WORKSHOP
-        'datum_0': '2025-11-13',
-        'zacatek_0': '09:00',
-        'konec_0': '10:00',
-        'program_0': 'Workshop',
-        'typ_0': 'WORKSHOP',  # This type is not defined!
-        'garant_0': 'John',
-        'poznamka_0': '',
-        
-        # Only KEYNOTE defined
-        'type_name_0': 'KEYNOTE',
-        'type_desc_0': 'Keynote',
-        'type_color_0': '#FF0000',
-    }
-    
-    response, status = send_cgi_request(post_data=form_data)
-    
-    # Should get error response
-    assert status == 200  # CGI returns 200 with error content
-    assert 'Chyba' in response or 'Missing type' in response, \
-        f"Expected error message, got: {response[:500]}"
-
-
-@pytest.mark.integration
-def test_home_page_load():
-    """Test that home page loads without errors."""
-    response, status = send_cgi_request()
-    
-    assert status == 200
-    assert '<!DOCTYPE html>' in response
-    assert 'Scenar Creator' in response
-    assert 'Importovat Excel' in response  # Tab 1
-    assert 'Vytvořit inline' in response   # Tab 2
-
-
-@pytest.mark.integration
-def test_inline_editor_tabs_present():
-    """Test that inline editor form elements are present."""
-    response, status = send_cgi_request()
-    
-    assert status == 200
-    # Check for key form elements
-    assert 'id="builderForm"' in response
-    assert 'id="scheduleTable"' in response
-    assert 'id="typesContainer"' in response
-    assert 'id="availableTypes"' in response  # datalist
-    
-    # Check for JavaScript functions
-    assert 'function addScheduleRow' in response
-    assert 'function removeScheduleRow' in response
-    assert 'function addTypeRow' in response
-    assert 'function removeTypeRow' in response
-
-
-if __name__ == '__main__':
-    pytest.main([__file__, '-v'])

tests/test_inline_builder.py

@@ -1,261 +0,0 @@
-"""
-End-to-end tests for inline builder (without Excel upload).
-Tests the full form submission flow from HTML form to timetable generation.
-"""
-
-import pytest
-from datetime import date, time
-import pandas as pd
-from scenar.core import parse_inline_schedule, parse_inline_types, create_timetable, ValidationError
-
-
-def test_inline_builder_valid_form():
-    """Test inline builder with valid schedule and types."""
-    # Simulate form data from HTML
-    form_data = {
-        # Metadata
-        'title': 'Test Conference',
-        'detail': 'Testing inline builder',
-        'step': 'builder',
-        
-        # Schedule rows (2 rows)
-        'datum_0': '2025-11-13',
-        'zacatek_0': '09:00',
-        'konec_0': '10:00',
-        'program_0': 'Opening Keynote',
-        'typ_0': 'KEYNOTE',
-        'garant_0': 'Dr. Smith',
-        'poznamka_0': 'Welcome speech',
-        
-        'datum_1': '2025-11-13',
-        'zacatek_1': '10:30',
-        'konec_1': '11:30',
-        'program_1': 'Workshop: Python',
-        'typ_1': 'WORKSHOP',
-        'garant_1': 'Jane Doe',
-        'poznamka_1': 'Hands-on coding',
-        
-        # Type definitions
-        'type_name_0': 'KEYNOTE',
-        'type_desc_0': 'Main Address',
-        'type_color_0': '#FF0000',
-        
-        'type_name_1': 'WORKSHOP',
-        'type_desc_1': 'Interactive Session',
-        'type_color_1': '#0070C0',
-    }
-    
-    # Parse schedule
-    schedule = parse_inline_schedule(form_data)
-    assert len(schedule) == 2
-    assert schedule.iloc[0]['Program'] == 'Opening Keynote'
-    assert schedule.iloc[0]['Typ'] == 'KEYNOTE'
-    
-    # Parse types
-    descriptions, colors = parse_inline_types(form_data)
-    assert len(descriptions) == 2
-    assert descriptions['KEYNOTE'] == 'Main Address'
-    assert colors['KEYNOTE'] == 'FFFF0000'
-    
-    # Generate timetable
-    wb = create_timetable(
-        schedule,
-        title=form_data['title'],
-        detail=form_data['detail'],
-        program_descriptions=descriptions,
-        program_colors=colors
-    )
-    
-    assert wb is not None
-    ws = wb.active
-    assert ws['A1'].value == 'Test Conference'
-    assert ws['A2'].value == 'Testing inline builder'
-
-
-def test_inline_builder_missing_type_definition():
-    """Test that undefined type in schedule raises error."""
-    form_data = {
-        'title': 'Bad Conference',
-        'detail': 'Missing type definition',
-        
-        # Schedule with UNKNOWN type
-        'datum_0': '2025-11-13',
-        'zacatek_0': '09:00',
-        'konec_0': '10:00',
-        'program_0': 'Unknown Program',
-        'typ_0': 'UNKNOWN_TYPE',  # This type is not defined below!
-        'garant_0': 'Someone',
-        'poznamka_0': '',
-        
-        # Only define LECTURE, not UNKNOWN_TYPE
-        'type_name_0': 'LECTURE',
-        'type_desc_0': 'Standard Lecture',
-        'type_color_0': '#3498db',
-    }
-    
-    schedule = parse_inline_schedule(form_data)
-    descriptions, colors = parse_inline_types(form_data)
-    
-    # Should fail because UNKNOWN_TYPE is not in colors dict
-    with pytest.raises(Exception):  # ScenarsError
-        create_timetable(schedule, 'Bad', 'Bad', descriptions, colors)
-
-
-def test_inline_builder_empty_type_definition():
-    """Test that empty type definitions are skipped."""
-    form_data = {
-        'title': 'Conference',
-        'detail': 'With empty types',
-        
-        'datum_0': '2025-11-13',
-        'zacatek_0': '09:00',
-        'konec_0': '10:00',
-        'program_0': 'Program 1',
-        'typ_0': 'WORKSHOP',
-        'garant_0': 'John',
-        'poznamka_0': '',
-        
-        # One empty type definition (should be skipped)
-        'type_name_0': '',
-        'type_desc_0': 'Empty type',
-        'type_color_0': '#FF0000',
-        
-        # One valid type
-        'type_name_1': 'WORKSHOP',
-        'type_desc_1': 'Workshop Type',
-        'type_color_1': '#0070C0',
-    }
-    
-    descriptions, colors = parse_inline_types(form_data)
-    
-    # Empty type should be skipped
-    assert 'WORKSHOP' in descriptions
-    assert '' not in descriptions
-
-
-def test_inline_builder_overlapping_times():
-    """Test schedule with overlapping time slots."""
-    form_data = {
-        'title': 'Conference',
-        'detail': 'Overlapping schedule',
-        
-        # Two programs at same time
-        'datum_0': '2025-11-13',
-        'zacatek_0': '09:00',
-        'konec_0': '10:00',
-        'program_0': 'Program A',
-        'typ_0': 'WORKSHOP',
-        'garant_0': 'John',
-        'poznamka_0': '',
-        
-        'datum_1': '2025-11-13',
-        'zacatek_1': '09:30',  # Overlaps with Program A
-        'konec_1': '10:30',
-        'program_1': 'Program B',
-        'typ_1': 'WORKSHOP',
-        'garant_1': 'Jane',
-        'poznamka_1': '',
-        
-        'type_name_0': 'WORKSHOP',
-        'type_desc_0': 'Workshop',
-        'type_color_0': '#0070C0',
-    }
-    
-    schedule = parse_inline_schedule(form_data)
-    descriptions, colors = parse_inline_types(form_data)
-    
-    # Should allow overlapping times — timetable will show them
-    assert len(schedule) == 2
-    
-    # Generate timetable (may have rendering issues but should complete)
-    wb = create_timetable(schedule, 'Conf', 'Test', descriptions, colors)
-    assert wb is not None
-
-
-def test_inline_builder_multiday():
-    """Test schedule spanning multiple days."""
-    form_data = {
-        'title': 'Multi-day Conference',
-        'detail': 'Two-day event',
-        
-        # Day 1
-        'datum_0': '2025-11-13',
-        'zacatek_0': '09:00',
-        'konec_0': '10:00',
-        'program_0': 'Day 1 Opening',
-        'typ_0': 'KEYNOTE',
-        'garant_0': 'Dr. A',
-        'poznamka_0': '',
-        
-        # Day 2
-        'datum_1': '2025-11-14',
-        'zacatek_1': '09:00',
-        'konec_1': '10:00',
-        'program_1': 'Day 2 Opening',
-        'typ_1': 'KEYNOTE',
-        'garant_1': 'Dr. B',
-        'poznamka_1': '',
-        
-        'type_name_0': 'KEYNOTE',
-        'type_desc_0': 'Keynote Speech',
-        'type_color_0': '#FF6600',
-    }
-    
-    schedule = parse_inline_schedule(form_data)
-    descriptions, colors = parse_inline_types(form_data)
-    
-    wb = create_timetable(schedule, 'Multi-day', 'Test', descriptions, colors)
-    
-    assert wb is not None
-    ws = wb.active
-    # Should have multiple date rows
-    assert ws['A1'].value == 'Multi-day'
-
-
-def test_inline_builder_validation_errors():
-    """Test validation of inline form data."""
-    # Missing required field
-    form_data_missing = {
-        'datum_0': '2025-11-13',
-        # Missing zacatek_0, konec_0, program_0, typ_0
-        'garant_0': 'John',
-    }
-    
-    with pytest.raises(ValidationError):
-        parse_inline_schedule(form_data_missing)
-
-
-def test_inline_builder_with_empty_rows():
-    """Test that empty schedule rows are skipped."""
-    form_data = {
-        'title': 'Test',
-        'detail': 'With empty rows',
-        
-        # Valid row
-        'datum_0': '2025-11-13',
-        'zacatek_0': '09:00',
-        'konec_0': '10:00',
-        'program_0': 'Program 1',
-        'typ_0': 'WORKSHOP',
-        'garant_0': 'John',
-        'poznamka_0': '',
-        
-        # Empty row (all fields missing)
-        'datum_1': '',
-        'zacatek_1': '',
-        'konec_1': '',
-        'program_1': '',
-        'typ_1': '',
-        'garant_1': '',
-        'poznamka_1': '',
-        
-        'type_name_0': 'WORKSHOP',
-        'type_desc_0': 'Workshop',
-        'type_color_0': '#0070C0',
-    }
-    
-    schedule = parse_inline_schedule(form_data)
-    
-    # Should only have 1 row (empty row skipped)
-    assert len(schedule) == 1
-    assert schedule.iloc[0]['Program'] == 'Program 1'

tests/test_pdf.py

@@ -1,100 +1,95 @@
 """
-PDF generation tests.
+PDF generation tests for Scenar Creator v3.
 """
 
-import pandas as pd
 import pytest
-from datetime import time
-from fastapi.testclient import TestClient
-
 from app.core.pdf_generator import generate_pdf
 from app.core.validator import ScenarsError
-from app.main import app
+from app.models.event import ScenarioDocument, Block, ProgramType, EventInfo
 
 
-@pytest.fixture
+def make_doc(**kwargs):
-def client():
+    defaults = {
-    return TestClient(app)
+        "version": "1.0",
+        "event": EventInfo(title="Test PDF", subtitle="Subtitle"),
+        "program_types": [
+            ProgramType(id="ws", name="Workshop", color="#0070C0"),
+        ],
+        "blocks": [
+            Block(id="b1", date="2026-03-01", start="09:00", end="10:00",
+                  title="Test Program", type_id="ws", responsible="John"),
+        ]
+    }
+    defaults.update(kwargs)
+    return ScenarioDocument(**defaults)
 
 
 def test_generate_pdf_basic():
-    df = pd.DataFrame({
+    doc = make_doc()
-        'Datum': [pd.Timestamp('2025-11-13').date()],
+    pdf_bytes = generate_pdf(doc)
-        'Zacatek': [time(9, 0)],
-        'Konec': [time(10, 0)],
-        'Program': ['Test Program'],
-        'Typ': ['WORKSHOP'],
-        'Garant': ['John Doe'],
-        'Poznamka': ['Test note'],
-    })
-
-    descriptions = {'WORKSHOP': 'Workshop Type'}
-    colors = {'WORKSHOP': 'FF0070C0'}
-
-    pdf_bytes = generate_pdf(df, "Test PDF", "PDF Detail", descriptions, colors)
-
     assert isinstance(pdf_bytes, bytes)
     assert len(pdf_bytes) > 0
     assert pdf_bytes[:5] == b'%PDF-'
 
 
 def test_generate_pdf_multiday():
-    df = pd.DataFrame({
+    doc = make_doc(
-        'Datum': [pd.Timestamp('2025-11-13').date(), pd.Timestamp('2025-11-14').date()],
+        program_types=[
-        'Zacatek': [time(9, 0), time(14, 0)],
+            ProgramType(id="key", name="Keynote", color="#FF0000"),
-        'Konec': [time(10, 0), time(15, 0)],
+            ProgramType(id="ws", name="Workshop", color="#0070C0"),
-        'Program': ['Day 1', 'Day 2'],
+        ],
-        'Typ': ['KEYNOTE', 'WORKSHOP'],
+        blocks=[
-        'Garant': ['Alice', 'Bob'],
+            Block(id="b1", date="2026-03-01", start="09:00", end="10:00",
-        'Poznamka': [None, 'Hands-on'],
+                  title="Day 1", type_id="key", responsible="Alice"),
-    })
+            Block(id="b2", date="2026-03-02", start="14:00", end="15:00",
-
+                  title="Day 2", type_id="ws", responsible="Bob"),
-    descriptions = {'KEYNOTE': 'Keynote', 'WORKSHOP': 'Workshop'}
+        ]
-    colors = {'KEYNOTE': 'FFFF0000', 'WORKSHOP': 'FF0070C0'}
+    )
-
+    pdf_bytes = generate_pdf(doc)
-    pdf_bytes = generate_pdf(df, "Multi-day", "Two days", descriptions, colors)
-
     assert isinstance(pdf_bytes, bytes)
     assert pdf_bytes[:5] == b'%PDF-'
 
 
-def test_generate_pdf_empty_data():
+def test_generate_pdf_empty_blocks():
-    df = pd.DataFrame(columns=['Datum', 'Zacatek', 'Konec', 'Program', 'Typ', 'Garant', 'Poznamka'])
+    doc = make_doc(blocks=[])
-
     with pytest.raises(ScenarsError):
-        generate_pdf(df, "Empty", "Detail", {}, {})
+        generate_pdf(doc)
 
 
 def test_generate_pdf_missing_type():
-    df = pd.DataFrame({
+    doc = make_doc(
-        'Datum': [pd.Timestamp('2025-11-13').date()],
+        blocks=[
-        'Zacatek': [time(9, 0)],
+            Block(id="b1", date="2026-03-01", start="09:00", end="10:00",
-        'Konec': [time(10, 0)],
+                  title="Test", type_id="UNKNOWN"),
-        'Program': ['Test'],
+        ]
-        'Typ': ['UNKNOWN'],
+    )
-        'Garant': [None],
-        'Poznamka': [None],
-    })
-
     with pytest.raises(ScenarsError):
-        generate_pdf(df, "Test", "Detail", {}, {})
+        generate_pdf(doc)
 
 
-def test_generate_pdf_api(client):
+def test_generate_pdf_with_event_info():
-    doc = {
+    doc = make_doc(
-        "event": {"title": "PDF Test", "detail": "API PDF"},
+        event=EventInfo(
-        "program_types": [{"code": "WS", "description": "Workshop", "color": "#0070C0"}],
+            title="Full Event",
-        "blocks": [{
+            subtitle="With all fields",
-            "datum": "2025-11-13",
+            date="2026-03-01",
-            "zacatek": "09:00:00",
+            location="Prague"
-            "konec": "10:00:00",
+        )
-            "program": "Opening",
+    )
-            "typ": "WS",
+    pdf_bytes = generate_pdf(doc)
-            "garant": "John",
+    assert pdf_bytes[:5] == b'%PDF-'
-            "poznamka": "Note"
+
-        }]
+
-    }
+def test_generate_pdf_multiple_blocks_same_day():
-    r = client.post("/api/generate-pdf", json=doc)
+    doc = make_doc(
-    assert r.status_code == 200
+        blocks=[
-    assert r.headers["content-type"] == "application/pdf"
+            Block(id="b1", date="2026-03-01", start="09:00", end="10:00",
-    assert r.content[:5] == b'%PDF-'
+                  title="Morning", type_id="ws"),
+            Block(id="b2", date="2026-03-01", start="10:00", end="11:30",
+                  title="Midday", type_id="ws"),
+            Block(id="b3", date="2026-03-01", start="14:00", end="16:00",
+                  title="Afternoon", type_id="ws", responsible="Team"),
+        ]
+    )
+    pdf_bytes = generate_pdf(doc)
+    assert pdf_bytes[:5] == b'%PDF-'

tests/test_read_excel.py

@@ -1,361 +0,0 @@
-import io
-import pandas as pd
-import pytest
-from datetime import date, time
-from scenar.core import (
-    read_excel, create_timetable, get_program_types, ScenarsError,
-    parse_inline_schedule, parse_inline_types, ValidationError
-)
-
-
-def make_excel_bytes(df: pd.DataFrame) -> bytes:
-    bio = io.BytesIO()
-    with pd.ExcelWriter(bio, engine='openpyxl') as writer:
-        df.to_excel(writer, index=False)
-    return bio.getvalue()
-
-
-def test_read_excel_happy_path():
-    df = pd.DataFrame({
-        'Datum': [pd.Timestamp('2025-11-13').date()],
-        'Zacatek': ['09:00'],
-        'Konec': ['10:00'],
-        'Program': ['Test program'],
-        'Typ': ['WORKSHOP'],
-        'Garant': ['Garant Name'],
-        'Poznamka': ['Pozn']
-    })
-
-    content = make_excel_bytes(df)
-    valid, errors = read_excel(content)
-
-    assert isinstance(valid, pd.DataFrame)
-    assert len(errors) == 0
-    assert len(valid) == 1
-    assert valid.iloc[0]['Program'] == 'Test program'
-
-
-def test_read_excel_invalid_time():
-    df = pd.DataFrame({
-        'Datum': [pd.Timestamp('2025-11-13').date()],
-        'Zacatek': ['not-a-time'],
-        'Konec': ['10:00'],
-        'Program': ['Bad Time'],
-        'Typ': ['LECTURE'],
-        'Garant': [None],
-        'Poznamka': [None]
-    })
-
-    content = make_excel_bytes(df)
-    valid, errors = read_excel(content)
-
-    assert isinstance(errors, list)
-    assert len(errors) >= 1
-
-
-def test_get_program_types():
-    """Test form field parsing for program type/color/description."""
-    form_data = {
-        'type_code_0': 'WORKSHOP',
-        'type_code_1': 'LECTURE',
-        'desc_0': 'Workshop description',
-        'desc_1': 'Lecture description',
-        'color_0': '#FF0000',
-        'color_1': '#00FF00',
-    }
-    
-    # get_program_types returns (descriptions_dict, colors_dict) tuple
-    descriptions, colors = get_program_types(form_data)
-    
-    assert len(descriptions) == 2
-    assert descriptions['WORKSHOP'] == 'Workshop description'
-    assert descriptions['LECTURE'] == 'Lecture description'
-    assert colors['WORKSHOP'] == 'FFFF0000'  # FF prefix added
-    assert colors['LECTURE'] == 'FF00FF00'
-
-
-def test_create_timetable():
-    """Test Excel timetable generation with properly parsed times."""
-    from datetime import time
-    
-    # Create test data with time objects (as returned by read_excel)
-    df = pd.DataFrame({
-        'Datum': [pd.Timestamp('2025-11-13').date()],
-        'Zacatek': [time(9, 0)],  # Use time object, not string
-        'Konec': [time(10, 0)],
-        'Program': ['Test Program'],
-        'Typ': ['WORKSHOP'],
-        'Garant': ['John Doe'],
-        'Poznamka': ['Test note'],
-    })
-    
-    program_descriptions = {
-        'WORKSHOP': 'Workshop Type',
-    }
-    
-    program_colors = {
-        'WORKSHOP': 'FF0070C0',  # AARRGGBB format
-    }
-    
-    # create_timetable returns openpyxl.Workbook
-    wb = create_timetable(
-        df,
-        title="Test Timetable",
-        detail="Test Detail",
-        program_descriptions=program_descriptions,
-        program_colors=program_colors
-    )
-    
-    assert wb is not None
-    assert len(wb.sheetnames) > 0
-    ws = wb.active
-    assert ws['A1'].value == "Test Timetable"
-    assert ws['A2'].value == "Test Detail"
-
-
-def test_create_timetable_with_color_dict():
-    """Test timetable generation with separate color dict."""
-    from datetime import time
-    
-    df = pd.DataFrame({
-        'Datum': [pd.Timestamp('2025-11-13').date()],
-        'Zacatek': [time(9, 0)],  # Use time object
-        'Konec': [time(10, 0)],
-        'Program': ['Lecture 101'],
-        'Typ': ['LECTURE'],
-        'Garant': ['Dr. Smith'],
-        'Poznamka': [None],
-    })
-    
-    program_descriptions = {
-        'LECTURE': 'Standard Lecture',
-    }
-    
-    program_colors = {
-        'LECTURE': 'FFFF6600',
-    }
-    
-    wb = create_timetable(
-        df,
-        title="Advanced Timetable",
-        detail="With color dict",
-        program_descriptions=program_descriptions,
-        program_colors=program_colors
-    )
-    
-    assert wb is not None
-    ws = wb.active
-    assert ws['A1'].value == "Advanced Timetable"
-
-
-def test_parse_inline_schedule():
-    """Test parsing inline schedule form data."""
-    form_data = {
-        'datum_0': '2025-11-13',
-        'zacatek_0': '09:00',
-        'konec_0': '10:00',
-        'program_0': 'Test Program',
-        'typ_0': 'WORKSHOP',
-        'garant_0': 'John Doe',
-        'poznamka_0': 'Test note',
-        'datum_1': '2025-11-13',
-        'zacatek_1': '10:30',
-        'konec_1': '11:30',
-        'program_1': 'Another Program',
-        'typ_1': 'LECTURE',
-        'garant_1': 'Jane Smith',
-        'poznamka_1': '',
-    }
-    
-    df = parse_inline_schedule(form_data)
-    
-    assert isinstance(df, pd.DataFrame)
-    assert len(df) == 2
-    assert df.iloc[0]['Program'] == 'Test Program'
-    assert df.iloc[0]['Typ'] == 'WORKSHOP'
-    assert df.iloc[1]['Program'] == 'Another Program'
-    assert df.iloc[1]['Typ'] == 'LECTURE'
-
-
-def test_parse_inline_schedule_missing_required():
-    """Test that missing required fields raise ValidationError."""
-    form_data = {
-        'datum_0': '2025-11-13',
-        'zacatek_0': '09:00',
-        # Missing konec_0, program_0, typ_0
-    }
-    
-    with pytest.raises(ValidationError):
-        parse_inline_schedule(form_data)
-
-
-def test_parse_inline_types():
-    """Test parsing inline type definitions."""
-    form_data = {
-        'type_name_0': 'WORKSHOP',
-        'type_desc_0': 'Workshop Type',
-        'type_color_0': '#0070C0',
-        'type_name_1': 'LECTURE',
-        'type_desc_1': 'Lecture Type',
-        'type_color_1': '#FF6600',
-    }
-    
-    descriptions, colors = parse_inline_types(form_data)
-    
-    assert len(descriptions) == 2
-    assert descriptions['WORKSHOP'] == 'Workshop Type'
-    assert descriptions['LECTURE'] == 'Lecture Type'
-    assert colors['WORKSHOP'] == 'FF0070C0'
-    assert colors['LECTURE'] == 'FFFF6600'
-
-
-def test_inline_workflow_integration():
-    """Test end-to-end inline workflow: parse form → create timetable."""
-    # Schedule form data
-    schedule_form = {
-        'datum_0': '2025-11-13',
-        'zacatek_0': '09:00',
-        'konec_0': '10:00',
-        'program_0': 'Opening',
-        'typ_0': 'KEYNOTE',
-        'garant_0': 'Dr. Smith',
-        'poznamka_0': 'Start of event',
-    }
-    
-    # Type form data
-    types_form = {
-        'type_name_0': 'KEYNOTE',
-        'type_desc_0': 'Keynote Speech',
-        'type_color_0': '#FF0000',
-    }
-    
-    # Merge forms
-    form_data = {**schedule_form, **types_form}
-    
-    # Parse
-    df = parse_inline_schedule(form_data)
-    descriptions, colors = parse_inline_types(form_data)
-    
-    # Generate timetable
-    wb = create_timetable(
-        df,
-        title="Integration Test Event",
-        detail="Testing inline workflow",
-        program_descriptions=descriptions,
-        program_colors=colors
-    )
-    
-    assert wb is not None
-    ws = wb.active
-    assert ws['A1'].value == "Integration Test Event"
-    assert ws['A2'].value == "Testing inline workflow"
-
-
-def test_excel_import_to_step2_workflow():
-    """Test workflow: Excel import -> step 2 (type definition) -> step 3 (generate).
-    This simulates the user uploading Excel, then filling type definitions.
-    """
-    import base64
-    
-    # Step 1: Create Excel file
-    df = pd.DataFrame({
-        'Datum': [pd.Timestamp('2025-11-13').date()],
-        'Zacatek': ['09:00'],
-        'Konec': ['10:00'],
-        'Program': ['Opening Keynote'],
-        'Typ': ['KEYNOTE'],
-        'Garant': ['John Smith'],
-        'Poznamka': ['Welcome speech']
-    })
-    
-    file_content = make_excel_bytes(df)
-    
-    # Step 2: Read Excel (simulating step=2 processing)
-    valid_data, errors = read_excel(file_content)
-    assert len(errors) == 0
-    assert len(valid_data) == 1
-    
-    # Extract types
-    program_types = sorted([str(t).strip() for t in valid_data["Typ"].dropna().unique()])
-    assert program_types == ['KEYNOTE']
-    
-    # Step 3: User fills type definitions (simulating form submission in step=2)
-    # This would be base64 encoded in the hidden field
-    file_content_base64 = base64.b64encode(file_content).decode('utf-8')
-    
-    form_data = {
-        'title': 'Test Event',
-        'detail': 'Test Detail',
-        'file_content_base64': file_content_base64,
-        'type_code_0': 'KEYNOTE',
-        'desc_0': 'Main keynote presentation',
-        'color_0': '#FF0000',
-        'step': '3'
-    }
-    
-    # Parse types (simulating step=3 processing)
-    descriptions, colors = get_program_types(form_data)
-    
-    assert descriptions['KEYNOTE'] == 'Main keynote presentation'
-    assert colors['KEYNOTE'] == 'FFFF0000'
-    
-    # Step 4: Generate timetable
-    # Re-read Excel from base64
-    file_content_decoded = base64.b64decode(form_data['file_content_base64'])
-    data, _ = read_excel(file_content_decoded)
-    
-    wb = create_timetable(
-        data,
-        title=form_data['title'],
-        detail=form_data['detail'],
-        program_descriptions=descriptions,
-        program_colors=colors
-    )
-    
-    assert wb is not None
-    ws = wb.active
-    assert ws['A1'].value == 'Test Event'
-    assert ws['A2'].value == 'Test Detail'
-
-
-def test_excel_import_to_inline_editor_workflow():
-    """Test workflow: Excel import -> step 2 -> step 2b (inline editor).
-    This simulates clicking 'Upravit v inline editoru' button.
-    """
-    import base64
-    
-    # Create Excel file
-    df = pd.DataFrame({
-        'Datum': [pd.Timestamp('2025-11-13').date(), pd.Timestamp('2025-11-14').date()],
-        'Zacatek': ['09:00', '14:00'],
-        'Konec': ['10:00', '15:30'],
-        'Program': ['Morning Session', 'Afternoon Workshop'],
-        'Typ': ['KEYNOTE', 'WORKSHOP'],
-        'Garant': ['Alice', 'Bob'],
-        'Poznamka': ['', 'Hands-on']
-    })
-    
-    file_content = make_excel_bytes(df)
-    
-    # Step 2: Read Excel
-    valid_data, errors = read_excel(file_content)
-    assert len(errors) == 0
-    assert len(valid_data) == 2
-    
-    # Step 2b: User clicks "Upravit v inline editoru"
-    # The form would pass file_content_base64 to step=2b
-    file_content_base64 = base64.b64encode(file_content).decode('utf-8')
-    
-    # Simulate step 2b: decode and re-read Excel
-    file_content_decoded = base64.b64decode(file_content_base64)
-    data_in_editor, _ = read_excel(file_content_decoded)
-    
-    # Verify data loaded correctly
-    assert len(data_in_editor) == 2
-    assert data_in_editor.iloc[0]['Program'] == 'Morning Session'
-    assert data_in_editor.iloc[1]['Program'] == 'Afternoon Workshop'
-    
-    # Extract types for editor
-    program_types = sorted([str(t).strip() for t in data_in_editor["Typ"].dropna().unique()])
-    assert set(program_types) == {'KEYNOTE', 'WORKSHOP'}
-