.calculator-box{background:linear-gradient(135deg,#fa709a 0%,#fee140 100%);padding:30px;border-radius:12px;margin:35px 0;box-shadow:0 8px 16px rgba(0,0,0,.2)}.calculator-input{width:100%;padding:12px;margin:10px 0;border:none;border-radius:8px;font-size:1em}.calculator-button{background:#fff;color:#fa709a;padding:12px 25px;border:none;border-radius:8px;font-size:1.05em;font-weight:600;cursor:pointer;margin-top:15px;transition:all .3s ease}.calculator-button:hover{transform:translateY(-2px);box-shadow:0 4px 8px rgba(0,0,0,.2)}.calculator-result{margin-top:20px;padding:20px;background:rgba(255,255,255,.3);border-radius:8px;display:none;color:#333;font-weight:500}