/* ============================
   OVERLAY GENERAL
============================ */
.nf-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    padding: 20px;
}

.nf-overlay.hidden {
    display: none;
}

/* ============================
   PANEL INTERIOR
============================ */
.nf-overlay-inner {
    background: #0f172a; /* azul oscuro elegante */
    border-radius: 16px;
    padding: 22px;
    width: 100%;
    max-width: 420px;
    position: relative;
    box-shadow: 0 0 25px rgba(0,0,0,0.4);
    animation: nfFadeIn 0.25s ease-out;
}

@keyframes nfFadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to   { opacity: 1; transform: scale(1); }
}

/* ============================
   BOTÓN CERRAR
============================ */
.nf-overlay-close {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(255,255,255,0.1);
    border: none;
    color: #e5e7eb;
    font-size: 16px;
    padding: 4px 8px;
    border-radius: 6px;
    cursor: pointer;
    transition: 0.2s;
}

.nf-overlay-close:hover {
    background: rgba(255,255,255,0.2);
}

/* ============================
   CABECERA
============================ */
.nf-overlay-header {
    text-align: center;
    margin-bottom: 16px;
}

.nf-overlay-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #f8fafc;
    margin-bottom: 6px;
}

.nf-overlay-subtitle {
    font-size: 0.95rem;
    color: #cbd5e1;
    margin-bottom: 4px;
}

.nf-overlay-common {
    font-size: 0.9rem;
    color: #94a3b8;
}

/* ============================
   TARJETA INYECTADA
============================ */
.nf-overlay-card-container {
    margin-top: 12px;
}