:root{color-scheme:light;--ink:#132c35;--muted:#50666b;--line:#dce5df;--green:#10664e;--paper:#f5f7f2;--red:#a52f22}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Malgun Gothic",system-ui,sans-serif;line-height:1.65}button,input,select{font:inherit}button,select,input{max-width:100%}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}a{color:inherit}header,main,footer{max-width:1200px;margin:auto}header{display:flex;justify-content:space-between;align-items:center;padding:26px 36px;border-bottom:1px solid var(--line)}.brand{text-decoration:none;font-size:24px;font-weight:800;letter-spacing:-1px}.brand span{font-size:10px;letter-spacing:2px;border-left:1px solid #9aacaa;margin-left:18px;padding-left:18px;vertical-align:middle}.privacy{font-size:13px;color:var(--green)}i{display:inline-block;width:7px;height:7px;border-radius:100%;background:var(--green);margin-right:8px}main{padding:0 36px}.hero{padding:54px 0 38px;position:relative}.eyebrow{font-size:13px;letter-spacing:1px;font-weight:700;color:var(--green);margin:0 0 14px}h1{font-size:clamp(30px,3.7vw,46px);line-height:1.3;letter-spacing:-2px;margin:0 0 22px}h2{font-size:23px;letter-spacing:-.8px;margin:0}.intro{color:var(--muted);font-size:17px;margin:0 0 22px}.micro{font-size:12px;color:var(--muted);margin-bottom:0}.primary,.secondary{border-radius:8px;padding:12px 19px;font-weight:700;min-height:46px}.primary{background:var(--green);color:white;border:1px solid var(--green)}.secondary{background:transparent;color:var(--ink);border:1px solid #8a9f97}.secondary span{margin-left:20px}.workspace{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:0 10px 40px #12382b06}.workspace-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.workspace-heading span{font-size:12px;color:var(--muted)}.inputs{display:grid;grid-template-columns:1fr 1fr;gap:18px}.file-card{background:#f7f9f6;border:1px solid var(--line);border-radius:10px;padding:22px;min-width:0}.file-card label:first-child{display:block}.file-card strong{font-size:18px}.step{color:var(--green);font-size:13px;margin-right:13px;font-weight:800}.file-card small{display:block;color:var(--muted);font-size:12px;margin:5px 0 16px}.file-card input{width:100%;font-size:12px}.file-card input::file-selector-button{padding:8px 10px;background:white;border:1px solid #aebeb6;border-radius:6px;color:var(--ink);margin-right:10px;cursor:pointer}.file-name{font-size:12px;color:var(--muted);overflow-wrap:anywhere;min-height:20px;margin:10px 0}.encoding-label{font-size:12px;margin-right:9px}select{padding:8px 10px;border:1px solid #bdcbc3;border-radius:6px;background:white;color:var(--ink);min-height:42px}.file-card select{font-size:12px}.options{display:flex;align-items:end;gap:18px;margin-top:22px}.options label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}.options select{width:100%}.key-option{flex:1}.hint{font-size:12px;line-height:1.7;color:var(--muted);margin:16px 0 0}#error{background:#fff0e8;border-left:3px solid var(--red);padding:12px;color:var(--red);font-size:14px}#results{padding-top:38px;scroll-margin-top:20px;outline-offset:8px}.result-heading{display:flex;justify-content:space-between;align-items:center;gap:18px}.result-heading .eyebrow{margin-bottom:4px}.result-heading h2{font-size:27px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:24px 0}.stat{padding:19px 22px;border:1px solid var(--line);background:white;border-radius:10px}.stat strong{display:block;font-size:34px;line-height:1.3}.stat span{font-size:12px;color:var(--muted)}.stat.attention strong{color:var(--red)}.structure{font-size:13px;margin:16px 0;white-space:pre-line;overflow-wrap:anywhere}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:10px;background:white}table{border-collapse:collapse;width:100%;min-width:700px;font-size:13px}caption{text-align:left;padding:17px 18px;font-size:12px;color:var(--muted)}th,td{text-align:left;padding:16px 18px;border-top:1px solid var(--line);vertical-align:top}th{background:#edf2ed;font-size:12px;color:var(--muted)}td{max-width:300px;overflow-wrap:anywhere;white-space:pre-wrap}td:nth-child(3),td:nth-child(4){font-family:Consolas,"Malgun Gothic",monospace}td:nth-child(4){color:var(--red);font-weight:700}td:nth-child(5){font-size:12px}tr:last-child td{border-bottom:0}.explanation{margin:55px 0 35px;padding-top:30px;border-top:1px solid var(--line)}.explanation>div{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;font-size:13px;color:var(--muted)}.explanation strong{color:var(--ink);line-height:2.4}.limits{font-size:11px;color:var(--muted)}footer{border-top:1px solid var(--line);padding:22px 36px;display:flex;justify-content:space-between;font-size:11px;color:var(--muted);gap:18px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #d89820;outline-offset:4px}[hidden]{display:none!important}@media(min-width:950px){.hero .secondary{position:absolute;right:0;bottom:63px}.hero .micro{position:absolute;right:0;bottom:30px}}@media(max-width:640px){header{padding:20px}.brand{font-size:21px}.brand span{display:none}.privacy{font-size:10px}main{padding:0 20px}.hero{padding-top:34px}h1{letter-spacing:-1px}.workspace{padding:18px}.inputs{grid-template-columns:1fr}.file-card{padding:16px}.options{flex-wrap:wrap;gap:12px}.options>div{min-width:100px}.options button{width:100%}.workspace-heading h2{font-size:20px}.workspace-heading span{display:none}.result-heading{align-items:start;flex-direction:column}.stats{grid-template-columns:1fr 1fr}.stat{padding:14px}.stat strong{font-size:28px}.explanation>div{grid-template-columns:1fr;gap:0}footer{padding:20px;flex-direction:column}}
h1,h2,.intro{word-break:keep-all}.table-wrap{scrollbar-color:#718e7c #edf2ed}

/* Keep the public examples usable at narrow widths. */
.hero .secondary,.hero .micro{position:static}.sample-picker{display:flex;gap:14px;align-items:end;flex-wrap:wrap;margin:28px 0 12px}.sample-picker label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}.sample-picker select{max-width:100%}.sample-picker>div{min-width:0}.article{max-width:780px;padding:40px 24px 70px;margin:auto}.article h1{font-size:32px}.article h2{margin-top:36px}.article li{margin:12px 0}.article code{overflow-wrap:anywhere}.article .note{padding:20px;background:#edf2ed;border-radius:10px}.article a{font-weight:600}@media(max-width:640px){.sample-picker{display:block}.sample-picker button{margin-top:12px}.sample-picker select{width:100%}}
#error{word-break:keep-all;overflow-wrap:anywhere}