.date-calculator-container{background-color:#fff;border-radius:12px;margin:20px auto;max-width:500px;padding:40px;text-align:center}.input-group{margin-bottom:25px}.theme-styled-input{border:1px solid #ccc;border-radius:4px;box-sizing:border-box;display:block;font-size:16px;margin:10px 0 20px;padding:12px;width:100%}#calculate-btn{cursor:pointer;transition:opacity .2s ease}.future-date{font-weight:700;line-height:1.1;margin-top:5px;word-wrap:break-word}.reset-btn{background:none;border:none;color:#666;cursor:pointer;font-size:14px;margin-top:20px;padding:5px 10px;text-decoration:underline}@media (max-width:480px){.date-calculator-container{padding:20px;width:95%}.future-date{font-size:32px}}