.kalkulator{background-color:#fff;padding:30px;box-shadow:0 4px 20px rgba(0,0,0,.1);width:100%;max-width:500px;margin:40px auto;color:#a1855a}.kalkulator-naglowek{text-align:center;font-size:24px !important;margin-bottom:25px;font-weight:700;font-family:"Rubik",Helvetica,Arial,sans-serif}.kalkulator label{font-weight:600;color:#a1855a;margin-top:15px;display:block}.kalkulator input,.kalkulator select{width:100%;padding:12px;margin-top:8px;margin-bottom:10px;border:1px solid #ccc;font-size:16px;box-sizing:border-box}.kalkulator button{width:100%;background-color:#a1855a;color:#fff;padding:14px;margin-top:15px;font-size:16px;border:none;cursor:pointer;transition:background-color .3s ease}.kalkulator button:hover{background-color:#45a049}.kalkulator #wynik{margin-top:25px;font-size:18px;text-align:center;font-weight:600;color:#a1855a}.kalkulator .info{font-size:14px;color:#777;margin-top:15px;text-align:center;font-style:italic}