/* =============================================================================
   FSG · Seguridad · Overlays full-screen
   -----------------------------------------------------------------------------
   Estilos de las cuatro pantallas bloqueantes que dispara el middleware
   SeguridadFSG: desafío, bloqueo, rate-limit y sesión revocada.
   Diseñadas para ser portables a Vue: mismo HTML/CSS dentro de un componente.
   ============================================================================= */

:root {
    --fsg-overlay-bg:           rgba(15, 23, 42, .96);
    --fsg-overlay-panel:        #ffffff;
    --fsg-overlay-text:         #1f2937;
    --fsg-overlay-muted:        #6b7280;
    --fsg-overlay-border:       #e5e7eb;

    --fsg-color-desafio:        #d97706;
    --fsg-color-bloqueo:        #b91c1c;
    --fsg-color-rate:           #2563eb;
    --fsg-color-sesion:         #4b5563;
    --fsg-color-ok:             #16a34a;

    --fsg-overlay-z:            99990;
    --fsg-overlay-shadow:       0 20px 60px rgba(0, 0, 0, .35);
}

/* -------------------------------------------------------------------------- */
/*  Contenedor full-screen                                                    */
/* -------------------------------------------------------------------------- */
.fsg-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--fsg-overlay-z);
    background: var(--fsg-overlay-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--fsg-overlay-text);
    animation: fsg-overlay-in .18s ease-out;
}

.fsg-overlay[hidden] {
    display: none !important;
}

.fsg-overlay--preview {
    /* Cuando se ve standalone (URL de preview) no necesita backdrop oscuro
       tan agresivo: el body queda detrás vacío de todos modos. */
    background: rgba(15, 23, 42, .92);
}

@keyframes fsg-overlay-in {
    from { opacity: 0; transform: scale(.985); }
    to   { opacity: 1; transform: scale(1); }
}

.fsg-overlay-preview {
    margin: 0;
    min-height: 100vh;
    background: #0f172a;
}

/* -------------------------------------------------------------------------- */
/*  Panel central                                                             */
/* -------------------------------------------------------------------------- */
.fsg-overlay-contenido {
    background: var(--fsg-overlay-panel);
    border-radius: 14px;
    box-shadow: var(--fsg-overlay-shadow);
    max-width: 520px;
    width: 100%;
    padding: 2.25rem 2rem 1.75rem;
    text-align: center;
    border-top: 6px solid var(--fsg-color-bloqueo); /* default; cada variante lo sobrescribe */
}

.fsg-overlay--desafio          { border-top-color: var(--fsg-color-desafio); }
.fsg-overlay--bloqueo          { border-top-color: var(--fsg-color-bloqueo); }
.fsg-overlay--rate-limit       { border-top-color: var(--fsg-color-rate); }
.fsg-overlay--sesion-revocada  { border-top-color: var(--fsg-color-sesion); }

/* -------------------------------------------------------------------------- */
/*  Tipografía y elementos comunes                                            */
/* -------------------------------------------------------------------------- */
.fsg-overlay-icono {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--fsg-color-bloqueo);
}

.fsg-overlay--desafio         .fsg-overlay-icono { color: var(--fsg-color-desafio); }
.fsg-overlay--bloqueo         .fsg-overlay-icono { color: var(--fsg-color-bloqueo); }
.fsg-overlay--rate-limit      .fsg-overlay-icono { color: var(--fsg-color-rate); }
.fsg-overlay--sesion-revocada .fsg-overlay-icono { color: var(--fsg-color-sesion); }

.fsg-overlay-titulo {
    font-size: 1.6rem;
    font-weight: 600;
    margin: 0 0 .5rem 0;
}

.fsg-overlay-mensaje {
    font-size: 1rem;
    margin: 0 0 1rem 0;
    color: var(--fsg-overlay-text);
}

.fsg-overlay-mensaje-secundario {
    font-size: .875rem;
    color: var(--fsg-overlay-muted);
    margin: 1rem 0 0 0;
}

.fsg-overlay-error {
    background: #fef2f2;
    color: var(--fsg-color-bloqueo);
    border: 1px solid #fecaca;
    border-radius: 8px;
    padding: .55rem .75rem;
    font-size: .875rem;
    margin-top: .75rem;
    text-align: left;
}

.fsg-overlay-contador {
    font-size: .875rem;
    color: var(--fsg-overlay-muted);
    margin-top: 1rem;
}

.fsg-overlay-contador-grande {
    font-size: 3rem;
    font-weight: 700;
    color: var(--fsg-color-rate);
    margin: 1rem 0 .25rem 0;
    font-variant-numeric: tabular-nums;
}

/* -------------------------------------------------------------------------- */
/*  Formulario del desafío                                                    */
/* -------------------------------------------------------------------------- */
.fsg-overlay form { margin: 1rem 0 0 0; text-align: left; }

.fsg-overlay form label {
    display: block;
    font-size: .875rem;
    color: var(--fsg-overlay-muted);
    margin-bottom: .35rem;
}

.fsg-overlay form code {
    background: #f3f4f6;
    padding: .05rem .35rem;
    border-radius: 4px;
    font-size: .85em;
}

.fsg-overlay form input[type="text"] {
    width: 100%;
    padding: .65rem .85rem;
    border: 1px solid var(--fsg-overlay-border);
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    transition: border-color .15s, box-shadow .15s;
}

.fsg-overlay form input[type="text"]:focus {
    border-color: var(--fsg-color-desafio);
    box-shadow: 0 0 0 3px rgba(217, 119, 6, .18);
}

.fsg-overlay form button[type="submit"],
.fsg-overlay-boton {
    display: inline-block;
    margin-top: 1rem;
    width: 100%;
    padding: .7rem 1rem;
    background: var(--fsg-color-desafio);
    color: #fff;
    border: 0;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: filter .15s;
}

.fsg-overlay form button[type="submit"]:hover,
.fsg-overlay-boton:hover { filter: brightness(.95); }
.fsg-overlay form button[type="submit"]:disabled { opacity: .6; cursor: wait; }

.fsg-overlay--sesion-revocada .fsg-overlay-boton { background: var(--fsg-color-sesion); }

/* -------------------------------------------------------------------------- */
/*  Bloque meta (codigo / request_id / contacto)                              */
/* -------------------------------------------------------------------------- */
.fsg-overlay-meta {
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--fsg-overlay-border);
    text-align: left;
    font-size: .8125rem;
    color: var(--fsg-overlay-muted);
    line-height: 1.6;
}

.fsg-overlay-meta strong { color: var(--fsg-overlay-text); font-weight: 600; }

.fsg-overlay-meta a { color: var(--fsg-color-rate); text-decoration: none; }
.fsg-overlay-meta a:hover { text-decoration: underline; }

.fsg-overlay-copiar {
    margin-left: .35rem;
    padding: 0 .4rem;
    font-size: .75rem;
    border: 1px solid var(--fsg-overlay-border);
    background: #f9fafb;
    border-radius: 4px;
    cursor: pointer;
    color: var(--fsg-overlay-muted);
}

.fsg-overlay-copiar:hover { background: #f3f4f6; }
.fsg-overlay-copiar.copiado { color: var(--fsg-color-ok); border-color: var(--fsg-color-ok); }

/* -------------------------------------------------------------------------- */
/*  Responsive                                                                */
/* -------------------------------------------------------------------------- */
@media (max-width: 480px) {
    .fsg-overlay-contenido { padding: 1.75rem 1.25rem 1.25rem; border-radius: 10px; }
    .fsg-overlay-titulo    { font-size: 1.35rem; }
    .fsg-overlay-icono     { font-size: 2.5rem; }
    .fsg-overlay-contador-grande { font-size: 2.25rem; }
}