*{box-sizing:border-box}body{margin:0;background:#fafcff;color:#1c304b;font-family:Arial,"Malgun Gothic",sans-serif;font-size:19px}header,nav,main,footer{max-width:1180px;margin:auto;padding:20px 28px}header{border-bottom:1px solid #d8e2e7}header strong{margin-left:28px}header p,footer p{font-size:15px;line-height:1.6;color:#566f83}a{color:#147e6d}nav{display:flex;flex-wrap:wrap;gap:10px}button,select,textarea,input{font:inherit}button,select{min-height:48px;padding:10px 18px;border:1px solid #718b91;border-radius:7px;color:#1c304b;background:#fff}button{cursor:pointer}button:hover{background:#e8f4f0}button[aria-current=true]{background:#147e6d;color:#fff}button:focus,select:focus,textarea:focus,input:focus{outline:3px solid #e6a425;outline-offset:2px}.label{color:#147e6d;font-size:16px;font-weight:bold}h1{font-size:34px;margin:12px 0 25px}h2{font-size:24px;margin:12px 0}#labStage{min-height:220px}#labStatus{min-height:44px;color:#147e6d;font-weight:bold;line-height:1.5}.setting-row{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #d9e1e5;padding:15px 0;gap:20px}.setting-row span{max-width:65%}textarea{display:block;width:100%;min-height:100px;margin:18px 0 10px;padding:14px;line-height:1.6;border:1px solid #8fa7b0;border-radius:6px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.example-card{border:1px solid #b5c8cf;padding:24px;border-radius:10px;background:#fff}.badge{display:inline-block;padding:8px 16px;background:#dbefe7;color:#126a50;border-radius:7px;font-weight:bold}.badge.closed{background:#e4e8eb;color:#495b68}.explanation{line-height:1.7;color:#516b7f}pre{font:20px/1.8 "Malgun Gothic",sans-serif;white-space:pre-wrap;background:#eef3f5;padding:20px}.removed{color:#8b3434;background:#faecec}.added{color:#12644f;background:#e1f2e9}.sample-action{font-size:28px;padding:18px}.quiz{padding:20px 0;border-bottom:1px solid #d5dfe3}.quiz p{font-weight:bold}.quiz label{display:block;padding:9px}.quiz select{max-width:100%}.workspace-path{font-size:28px;font-weight:bold;color:#147e6d;overflow-wrap:anywhere}.chat-list{line-height:2.1}footer{border-top:1px solid #d9e1e5;margin-top:20px}
body.embed header,body.embed nav,body.embed footer{display:none}body.embed main{max-width:none;width:100%;padding:18px 32px}body.embed .label{font-size:22px;margin:0 0 8px}body.embed h1{font-size:48px;margin:10px 0 22px}body.embed #labStage{font-size:32px}body.embed h2{font-size:37px}body.embed button,body.embed select{font-size:29px;min-height:60px}body.embed .setting-row{padding:17px 0}body.embed .example-card{padding:22px}body.embed .explanation{font-size:26px}body.embed #labStatus{font-size:28px;margin:16px 0}body.embed pre{font-size:30px;line-height:1.6;margin:12px 0;padding:15px}body.embed .quiz{padding:4px 0}body.embed .quiz p{margin:12px 0}body.embed textarea{min-height:95px;font-size:26px}body.embed .sample-action{font-size:34px}
@media(max-width:700px){header,nav,main,footer{padding:18px}header strong{display:block;margin:15px 0}.grid{grid-template-columns:1fr}.setting-row{align-items:flex-start;flex-direction:column;gap:10px}h1{font-size:28px}.workspace-path{font-size:22px}}