{#- chirp-ui: ASCII Ticker
    Scrolling text banner in a box-drawing frame, like a stock ticker or news crawler.

    Usage:
        from "chirpui/ascii_ticker.html" import ascii_ticker

        ascii_ticker("System healthy — 99.97% uptime — 0 errors — Next deploy in 2h")
        ascii_ticker("BREAKING: New version deployed to production", variant="warning")

    Variants: default, accent, success, warning, error.
    Speed: slow, default, fast.
-#}

{% def ascii_ticker(text, variant="", speed="", cls="") %}
{% set variant = variant | validate_variant(("", "default", "accent", "success", "warning", "error"), "") %}
{% set variant_class = " chirpui-ascii-ticker--" ~ variant if variant and variant != "default" else "" %}
{% set speed_class = " chirpui-ascii-ticker--" ~ speed if speed in ("slow", "fast") else "" %}
<div class="chirpui-ascii-ticker{{ variant_class }}{{ speed_class }}{{ " " ~ cls if cls else "" }}" role="marquee">
    <span class="chirpui-ascii-ticker__bracket" aria-hidden="true">▐</span>
    <div class="chirpui-ascii-ticker__track">
        <span class="chirpui-ascii-ticker__text">{{ text }}&nbsp;&nbsp;&nbsp;◆&nbsp;&nbsp;&nbsp;{{ text }}&nbsp;&nbsp;&nbsp;◆&nbsp;&nbsp;&nbsp;</span>
    </div>
    <span class="chirpui-ascii-ticker__bracket" aria-hidden="true">▌</span>
</div>
{% end %}