.c21719-banner{position:fixed;left:1rem;right:1rem;bottom:1rem;max-width:720px;margin:0 auto;background:#fff;color:#1a1a1a;border:1px solid #d0d0d0;border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,.18);padding:1.25rem;z-index:99999;font:15px/1.5 system-ui,sans-serif}
.c21719-banner[hidden]{display:none}
.c21719-banner a{color:inherit;text-decoration:underline}
.c21719-banner__acciones{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:flex-end;margin-top:1rem}
.c21719-btn{background:#1a1a1a;color:#fff;border:1px solid #1a1a1a;border-radius:8px;padding:.55rem 1rem;cursor:pointer;font:inherit}
.c21719-btn--sec{background:#fff;color:#1a1a1a}
.c21719-btn:focus-visible{outline:3px solid #3b82f6;outline-offset:2px}
.c21719-detalle{margin-top:.75rem}
.c21719-detalle summary{cursor:pointer;font-weight:600}
.c21719-opciones{display:grid;gap:.5rem;margin-top:.5rem}
.c21719-opcion{display:flex;gap:.5rem;align-items:flex-start}
.c21719-form label{display:block;font-weight:600}
.c21719-form input[type=text],.c21719-form input[type=email],.c21719-form select,.c21719-form textarea{width:100%;max-width:560px;padding:.5rem;border:1px solid #c4c4c4;border-radius:6px;font:inherit}
.c21719-oculto{position:absolute!important;left:-9999px!important;height:1px;width:1px;overflow:hidden}
.c21719-aviso{padding:.75rem 1rem;border-radius:8px;margin-bottom:1rem}
.c21719-aviso--ok{background:#e6f6ea;border:1px solid #2e7d32}
.c21719-aviso--error{background:#fdecea;border:1px solid #c62828}
@media (prefers-color-scheme:dark){.c21719-banner{background:#1e1e1e;color:#f0f0f0;border-color:#444}.c21719-btn{background:#f0f0f0;color:#1e1e1e;border-color:#f0f0f0}.c21719-btn--sec{background:#1e1e1e;color:#f0f0f0}}