/* ===== Квартиркинъ — Авторизация ===== */

.tab-btn {
    transition: all 0.3s;
}

.tab-btn.active {
    background: #3BA8B3;
    color: white;
}

.form-section {
    display: none;
    opacity: 0;
    transition: opacity 0.3s;
}

.form-section.active {
    display: block;
    opacity: 1;
}