.view-page {
    margin-bottom: unset;
}

/* Wrapper von Textfeld + Button nebeneinander */
#views-exposed-form-nx-suche-search-page .views-exposed-form-content-inner {
    display: flex;
    flex-wrap: nowrap;
    align-items: baseline;
    justify-content: center;
}

/* Textfeld-Container soll flexibel wachsen */
#views-exposed-form-nx-suche-search-page .form-item-s {
    flex: 1 1 auto;
    margin: 0;
}

/* Button-Container nur so breit wie nötig */
#views-exposed-form-nx-suche-search-page #edit-actions {
    flex: 0 0 auto;
    margin: 0 0 0 0.5rem; /* Abstand links vom Button */
}

/* Input über volle Breite seines Containers */
#views-exposed-form-nx-suche-search-page #edit-s {
    width: 100%;
    box-sizing: border-box;
}

@media (min-width: 600px) {
	.nxt-search #views-exposed-form-nx-suche-search-page .form-item-s {
		flex: 0 0 400px; /* nicht wachsen, nicht schrumpfen, 400px breit */
	}
}