:root{--ink:#182c30;--teal:#08676a;--paper:#f4f7f5;--line:#b9c9c8;--muted:#4e696b}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.7 'Malgun Gothic',sans-serif;display:grid;grid-template-columns:210px 1fr}button,input,textarea,select{font:inherit}button{border:1px solid var(--teal);background:var(--teal);color:white;padding:10px 15px;cursor:pointer}button:disabled{opacity:.4;cursor:default}:focus-visible{outline:3px solid #cc8625;outline-offset:3px}.rail{background:var(--ink);color:white;padding:30px 24px}.rail>a{text-decoration:none;color:white;font-size:24px;font-weight:bold;letter-spacing:-1px}.rail span{font:9px monospace;letter-spacing:2px;display:block;margin-top:8px}.rail nav{display:flex;flex-direction:column;gap:18px;margin:55px 0}.rail nav a{font-size:12px;color:#cce7e4;text-decoration:none}.rail p{font-size:11px;color:#b7cdcb}main{padding:35px 4vw;min-width:0;max-width:1500px}header>p:first-child{font:10px monospace;letter-spacing:3px;color:var(--teal)}h1{font-size:clamp(32px,4.5vw,57px);line-height:1.35;letter-spacing:-2px;margin:20px 0}h1 em{font-style:normal;color:var(--teal)}header>p:last-child{font-size:13px;color:var(--muted)}section{margin-top:35px}.section-head{display:flex;justify-content:space-between;align-items:center;gap:20px}.section-head h2{font-size:20px;font-weight:normal}.section-head>div{display:flex;gap:8px}.section-head button{font-size:11px}label{display:block;font-size:12px}input,select,textarea{display:block;width:100%;min-width:0;background:white;color:var(--ink);border:1px solid var(--line);padding:11px;margin-top:7px;border-radius:0}.file-label{border:1px dashed var(--teal);padding:15px;margin:12px 0 20px;background:#e3efeb}.file-label input{padding:0;border:0;background:transparent;font-size:12px}textarea{font:12px/1.65 Consolas,'Malgun Gothic',monospace;tab-size:2;resize:vertical;min-height:160px}.hint,#file-status{font-size:11px;color:var(--muted)}#file-status{color:#8b4c24}.controls{display:grid;grid-template-columns:2fr 1fr auto;gap:15px;align-items:end}.controls .check{display:flex;gap:8px;align-items:center;padding-bottom:12px}.check input{width:16px;height:16px;margin:0}.log-heading{display:flex;justify-content:space-between;gap:15px;background:#24454b;color:white;padding:13px 15px;margin-top:20px;font:11px monospace}.log-heading>span{color:#b8d5d1}.console{background:#10272b;color:#dfefeb;min-height:240px;max-height:650px;overflow:auto;padding:14px 0}.log-line{display:grid;grid-template-columns:55px 60px 1fr;gap:12px;padding:8px 15px;border-bottom:1px solid #234045;font:12px/1.7 Consolas,'Malgun Gothic',monospace}.line-number{color:#8bb8b7;text-align:right}.line-level{font-size:10px;color:#a3d9d3}.log-line.error .line-level{color:#ffac9e}.log-line.warn .line-level{color:#f5d795}.line-text{white-space:pre-wrap;overflow-wrap:anywhere;min-width:0}.empty{padding:45px 20px;text-align:center;color:#9bbfba;font-size:13px}#method{display:grid;grid-template-columns:1.3fr 1fr;gap:5vw;border-top:1px solid var(--line);padding-top:40px;align-items:center}#method>div>p:first-child{font:10px monospace;letter-spacing:2px;color:var(--teal)}#method h2{font-size:29px;font-weight:normal;line-height:1.5}#method p{font-size:12px}figure{margin:0}figure img{width:100%;height:auto;display:block}figcaption{font-size:10px;color:var(--muted);margin-top:8px}footer{margin-top:40px;font-size:11px;border-top:1px solid var(--line);padding-top:22px}@media(max-width:900px){body{grid-template-columns:1fr}.rail{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 5vw}.rail nav{flex-direction:row;margin:0;gap:15px}.rail p{display:none}.rail nav a{font-size:10px}main{padding:25px 5vw}.controls{grid-template-columns:1fr 1fr}.controls .check{grid-column:1/-1;padding-bottom:0}#method{grid-template-columns:1fr}}@media(max-width:500px){.rail nav{display:none}.section-head{flex-wrap:wrap;gap:5px}.controls{grid-template-columns:1fr}.log-heading{flex-direction:column;gap:7px}.log-line{grid-template-columns:30px 45px 1fr;gap:8px;padding:8px;font-size:11px}.line-level{font-size:9px}.rail>a{font-size:23px}}
