{# `data-fcu-auth` / `data-fcu-menu` stamp the shell's session and menu;
construct-core.js compares them with the X-Construct-Auth / -Menu response
headers (see technical/architecture.org → The Main Menu). #}
{# Varies per page (construct.page_title folds in the active view's name),
so navigating between list/create/edit changes the document title. #}
{% block title %}{{ construct.page_title }}{% endblock %}
{# Icon library — chosen by the active icon mode (theme/design).
Both fonts are self-hosted under construct_static (no external CDN). #}
{% if construct.icon_mode == "bootstrap" %}
{% else %}
{% endif %}
{# Core UI & Library assets #}
{% if construct.design_stylesheet %}
{# Built-in design skin (overrides whitelabel design tokens) #}
{% endif %}
{# Application stylesheets (FlaskConstructUI(stylesheets=…) /
add_stylesheet). Linked after everything the library owns so app rules
and --fcu-* overrides win the cascade. #}
{% for href in construct.stylesheets or [] %}
{% endfor %}
{% block head_extra %}{% endblock %}
{# First focusable element on the page: lets a keyboard user jump the
sidebar (which can be 20+ links) straight to content. Visible only
while focused. #}
{{ construct.t("nav-skip-to-content") }}
{# Navbar / Top Header #}
{% block navbar %}
{{ construct.title }}
{# App-owned area between the brand and the actions. The wrapper is only
emitted when an app fills the block, so an unused slot adds no markup. #}
{% set _navbar_start %}{% block navbar_start %}{% endblock %}{% endset %}
{% if _navbar_start | trim %}
{{ _navbar_start }}
{% endif %}
{% endblock navbar %}
{# Sidebar Wrapper #}
{% block sidebar %}
{% endblock sidebar %}
{# Main Workspace #}
{# The body renders before the flashes so a page that placed them
itself with flashes() has done so by the time the layout asks.
Every page needs exactly one
. Templates that render their own
visible heading override this block to empty (the CRUD views do);
component pages, whose content the library does not compose, get
this visually-hidden default. #}
{% set _fcu_body %}
{% block page_heading %}