.mr-filtersTop{
  margin: 12px 0 18px 0;
}

.mr-filtersBtn{
  width: 100%;
  border: 1px solid rgba(0,0,0,.12);
  border-radius: 12px;
  padding: 12px 14px;
  font-weight: 700;
  background: #fff;
  cursor: pointer;
}

@media (max-width: 768px){

  .mr-filtersPanel{
    margin-top: 12px;
  }

  .mr-filtersPanel[hidden]{
    display: none !important;
  }

  /* opcjonalnie: karta na panel */
  .mr-filtersPanel > #right-sidebar-inner{
    border: 1px solid rgba(0,0,0,.08);
    border-radius: 14px;
    padding: 12px;
    background: #fff;
  }
}

/* =========================
   BUTTON – MOBILE ONLY
   ========================= */

.mr-filtersBtn{
  display: none; /* domyślnie ukryty */
}

@media (max-width: 768px){

  .mr-filtersBtn{
    display: block;
    width: 70%;
    margin: 0 auto; /* wyśrodkowanie */
    background: #b45b76;
    color: #ffffff;
    border: none;
    border-radius: 12px;
    padding: 14px 44px 14px 18px; /* miejsce na strzałkę */
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    text-align: center;
    position: relative;
  }

  .mr-filtersBtn:active{
    transform: scale(0.98);
  }

  /* STRZAŁKA */
  .mr-filtersBtn::after{
    content: '';
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid #ffffff;
    transition: transform .25s ease;
  }

  /* obrót po otwarciu */
  .mr-filtersBtn[aria-expanded="true"]::after{
    transform: translateY(-50%) rotate(180deg);
  }
}