#notificacion-progreso {
    position: fixed;
    top: 20px;
    right: 20px;
    max-width: 400px;
    z-index: 10000;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    padding: 20px;
    font-family: Arial, sans-serif;
    animation: slideIn 0.3s ease-out;
}

.alert-info {
    background-color: #e7f3fe;
    border-left: 4px solid #3498db;
}

.alert-success {
    background-color: #e6ffed;
    border-left: 4px solid #27ae60;
}

.alert-error {
    background-color: #ffe6e6;
    border-left: 4px solid #e74c3c;
}

.alert-warning {
    background-color: #fff4e6;
    border-left: 4px solid #f39c12;
}

.spinner-border {
    width: 1.5rem;
    height: 1.5rem;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}