"""Compile styles/forge-theme.scss (tokens Forge + Bulma vendoré en local,
voir regles/FORGE_ENGINE_TEMPLATE_BULMA.md) en static/style.css — le seul
fichier CSS chargé par les templates (un seul <link>, inchangé). Pas de
build automatique : lancer `python build_css.py` après toute modification
sous styles/."""
import os

import sass

_BASE_DIR = os.path.dirname(os.path.abspath(__file__))
_ENTRY = os.path.join(_BASE_DIR, "styles", "forge-theme.scss")
_OUTPUT = os.path.join(_BASE_DIR, "static", "style.css")


def build():
    css = sass.compile(
        filename=_ENTRY,
        include_paths=[os.path.join(_BASE_DIR, "styles")],
        output_style="expanded",
    )
    with open(_OUTPUT, "w", encoding="utf-8") as f:
        f.write(css)
    print(f"Compilé : {_ENTRY} -> {_OUTPUT} ({len(css)} octets)")


if __name__ == "__main__":
    build()