.bloqueo-am {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
    background: rgba(10, 26, 43, .62);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .2s ease, visibility .2s ease;
    cursor: wait;
}

.bloqueo-am.is-open {
    opacity: 1;
    visibility: visible;
}

.bloqueo-am-card {
    width: 100%;
    max-width: 380px;
    background: var(--surface, #fff);
    border-radius: var(--radius-lg, 18px);
    box-shadow: 0 24px 60px rgba(10, 26, 43, .28);
    padding: 2rem 1.75rem 1.75rem;
    text-align: center;
    transform: translateY(10px) scale(.98);
    transition: transform .25s cubic-bezier(.4, 0, .2, 1);
}

.bloqueo-am.is-open .bloqueo-am-card {
    transform: translateY(0) scale(1);
}

.bloqueo-am-icono {
    width: 62px;
    height: 62px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--primary, #1E4263);
    background: var(--primary-xlt, #E3ECF4);
    animation: bloqueo-am-latido 1.6s ease-in-out infinite;
}

@keyframes bloqueo-am-latido {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(1.09); }
}

.bloqueo-am-titulo {
    margin: 0 0 .35rem;
    font-size: 1.06rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--text, #12293E);
}

.bloqueo-am-frase {
    margin: 0;
    min-height: 2.6em;
    font-size: .9rem;
    line-height: 1.45;
    color: var(--text-sm, #6B7C8E);
    transition: opacity .25s ease;
}

.bloqueo-am-frase.is-cambiando {
    opacity: 0;
}

.bloqueo-am-barra {
    position: relative;
    height: 4px;
    margin-top: 1.25rem;
    border-radius: 999px;
    overflow: hidden;
    background: var(--primary-xlt, #E3ECF4);
}

.bloqueo-am-barra::after {
    content: '';
    position: absolute;
    inset: 0 auto 0 0;
    width: 42%;
    border-radius: 999px;
    background: var(--primary, #1E4263);
    animation: bloqueo-am-avance 1.25s ease-in-out infinite;
}

@keyframes bloqueo-am-avance {
    0%   { transform: translateX(-105%); }
    100% { transform: translateX(240%); }
}

@media (prefers-reduced-motion: reduce) {
    .bloqueo-am,
    .bloqueo-am-card,
    .bloqueo-am-frase {
        transition: none;
    }

    .bloqueo-am-icono {
        animation: none;
    }

    .bloqueo-am-barra::after {
        width: 100%;
        animation: none;
        opacity: .55;
    }
}