body{font-family:system-ui,sans-serif;margin:0;padding:0;display:flex;justify-content:center;align-items:flex-start;background:#f5f5f5}
.container{max-width:860px;width:96%;background:#fff;padding:2rem;margin:1rem;box-shadow:0 4px 10px rgba(0,0,0,.1);border-radius:8px;text-align:center}
.settings{margin-bottom:1rem;font-size:.9rem}
#prompt{font-size:1.1rem;margin-bottom:1rem;line-height:1.6;text-align:left;white-space:pre-wrap}
#countdown,#timer{font-size:1.8rem;margin:.5rem 0}
#input{width:100%;height:160px;font-size:1rem;padding:.5rem;margin-top:1rem}
#result{margin-top:1rem;font-size:1.1rem;font-weight:bold}
button{margin-top:1rem;padding:.5rem 1rem;font-size:1rem;cursor:pointer}
table{width:100%;border-collapse:collapse;margin-top:1rem}
table th,table td{border:1px solid #ccc;padding:.3rem;font-size:.9rem}