*,*:before,*:after{box-sizing:border-box}body{font-family:system-ui,sans-serif;margin:0;padding:0;background:#fafafa;color:#222}.container{max-width:560px;margin:0 auto;padding:2rem 1rem}h1{text-align:center;margin-bottom:1.5rem}#input-form{display:flex;gap:.5rem}#word-input{flex:1;padding:.6rem .8rem;font-size:1rem;border:1px solid #ccc;border-radius:6px;outline:none}#word-input:focus{border-color:#555}#submit-btn{padding:.6rem 1rem;font-size:1rem;border:none;border-radius:6px;background:#333;color:#fff;cursor:pointer}#submit-btn:disabled{opacity:.4;cursor:not-allowed}#results{margin-top:1.5rem}.error-message{padding:.75rem 1rem;background:#fff3cd;border:1px solid #f0ad4e;border-radius:6px;color:#856404}