.beta-test-banner {
    position: absolute;
    z-index: 5;
    left: 12%;
    bottom: 340px;
    transform: none;
    width: 600px;
    max-width: calc(100% - 40px);
    box-sizing: border-box;
    padding: 13px 18px 12px;
    text-align: center;
    color: #f3dfc0;
    background: #17110e;
    border: 1px solid #b88736;
    border-radius: 13px;
    box-shadow: 0 3px 14px rgba(0,0,0,.55), inset 0 0 0 1px rgba(255,190,80,.08);
}

.beta-test-banner-title {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    margin: 0 0 12px;
    padding: 12px 10px;
    color: #ffd477;
    background: #741d12;
    border: 1px solid #c28a32;
    border-radius: 12px;
    font-size: 24px;
    line-height: 1.25;
    font-weight: 800;
    letter-spacing: .3px;
    animation: betaAlert 1.8s ease-in-out infinite;
}

.beta-test-banner-title::after {
    content: "";
    position: absolute;
    top: -20%;
    left: -100%;
    width: 55%;
    height: 140%;
    background: linear-gradient(110deg, transparent, rgba(255,255,255,.25), rgba(255,240,180,.95), rgba(255,255,255,.25), transparent);
    transform: skewX(-25deg);
    animation: betaShine 2.2s ease-in-out infinite;
    pointer-events: none;
    z-index: 2;
}

.beta-test-banner-message {
    font-size: 16px;
    line-height: 1.4;
    font-weight: 700;
}

.beta-test-banner-note {
    margin-top: 12px;
    color: #d9ad55;
    font-size: 13px;
    line-height: 1.35;
    font-weight: 700;
}

@keyframes betaAlert {
    0%, 100% { box-shadow: 0 0 5px rgba(255,180,50,.35), 0 0 12px rgba(255,70,20,.20); border-color: #c28a32; }
    50% { box-shadow: 0 0 12px rgba(255,210,90,.95), 0 0 28px rgba(255,70,20,.65), 0 0 42px rgba(255,150,30,.35); border-color: #ffe09a; }
}

@keyframes betaShine {
    0%, 10% { left: -100%; }
    75%, 100% { left: 150%; }
}

/* Ubicación y tamaño en móviles */
@media (max-width: 768px) {
    .beta-test-banner {
        position: absolute !important;
        top: 65px !important;
        bottom: auto !important;
        left: 50% !important;
        right: auto !important;
        transform: translateX(-50%) !important;
        width: calc(100% - 20px) !important;
        max-width: 420px !important;
        z-index: 1 !important;
        padding: 10px 12px;
    }
    .beta-test-banner-title {
        margin-bottom: 9px;
        padding: 9px 7px;
        font-size: 18px;
    }
    .beta-test-banner-message { font-size: 13px; }
    .beta-test-banner-note { margin-top: 8px; font-size: 12px; }
}