*{margin:0;padding:0;box-sizing:border-box}body{background-color:#fff;font-family:sans-serif}.App{background-color:#fff;min-height:100vh;color:#000}.header{background-color:#87ceeb;color:#fff;padding:.5rem;font-size:3rem;text-align:center}.main{display:flex;flex-direction:column;align-items:center}.input-panels{display:flex;width:100%}.left-panel,.right-panel{width:50%;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding-top:20vh}.input-group{display:flex;flex-direction:column;align-items:center;transform:translateY(-50%)}.label{font-size:1.2rem;margin-bottom:.5rem}.panel-input{font-family:sans-serif;font-size:1.5rem;padding:.5rem;text-align:right;width:200px}.multi-input{font-family:sans-serif;font-size:1.5rem;padding:.5rem;text-align:right;width:200px;height:12.5rem;resize:none;overflow-y:auto;border:1px solid #ccc;border-radius:8px;box-shadow:0 2px 4px #0000001a}.count-hint{font-size:12px;color:gray;text-align:right;margin-top:4px}.result-area{width:100%;margin-top:.1rem;display:flex;flex-direction:column;align-items:center}.result-area .label{font-size:1.2rem;margin-bottom:.5rem;font-weight:700}.result-output{width:80%;min-height:100px;display:flex;align-items:center;border:1px solid #ccc;padding:.5rem;font-size:1.5rem;background-color:#f9f9f9;border-radius:8px;overflow-y:auto;white-space:pre-wrap;box-shadow:0 0 8px #0000000d}.button-wrapper{display:flex;flex-direction:column;align-items:center;margin-top:1rem;gap:1rem}.base-button{padding:.75rem 2rem;font-size:1.2rem;font-weight:700;color:#fff;background-color:#007bff;border:none;border-radius:8px;cursor:pointer;transition:background-color .2s;white-space:nowrap;text-align:center}.base-button:hover{background-color:#0056b3}.overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#ffffffb3;z-index:1000;display:flex;align-items:center;justify-content:center}.spinner{width:60px;height:60px;border:8px solid #ccc;border-top:8px solid #2d9cdb;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}