#notificaciones {
    position: fixed;
    top: max(20px, env(safe-area-inset-top));
    right: max(20px, env(safe-area-inset-right));
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 320px;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
}

.aviso {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 14px 34px 14px 16px;
    border-radius: 10px;
    font-family: 'Arial', sans-serif;
    font-size: 14px;
    line-height: 1.4;
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.6);
    animation: aviso-entrada 0.25s ease-out;
}

.aviso-error {
    background-color: #830000;
    border: 1px solid #ff0000;
}

.aviso-exito {
    background-color: #000000;
    border: 1px solid #ffffff;
}

.aviso-info {
    background-color: #000000;
    border: 1px solid #800000;
}

.aviso-cerrar {
    position: absolute;
    top: 4px;
    right: 6px;
    background: none;
    border: none;
    color: #ffffff;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    padding: 4px 8px;
    margin-top: 0;
}

.aviso-cerrar:hover {
    opacity: 0.6;
}

.aviso-saliendo {
    animation: aviso-salida 0.25s ease-in forwards;
}

@keyframes aviso-entrada {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes aviso-salida {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(30px);
    }
}

@media (max-width: 480px) {
    #notificaciones {
        left: max(12px, env(safe-area-inset-left));
        right: max(12px, env(safe-area-inset-right));
        top: max(12px, env(safe-area-inset-top));
        max-width: none;
        max-height: calc(100vh - 24px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .aviso,
    .aviso-saliendo {
        animation: none;
    }
}