*{box-sizing:border-box}
:root{--ink:#1c1c1c;--sub:#555;--line:#c9c9c9;--soft:#f3f3f3;--accent:#1f4e79;--warn:#ffe27a;--chk:#fff3c4;--fix:#d6e8fb;--ok:#2e7d32;--bad:#b3261e}
html,body{margin:0}
body{font-family:'Malgun Gothic','맑은 고딕',sans-serif;font-size:16px;line-height:1.6;color:var(--ink);background:#fff;word-break:keep-all;overflow-wrap:break-word}
[hidden]{display:none!important}
button,input,select,textarea{font:inherit}
.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 28px;border-bottom:2px solid var(--ink);background:#fff;position:sticky;top:0;z-index:5}
.brand{font-size:19px;font-weight:700}
.topnav{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.navlink{color:var(--ink);text-decoration:none;font-weight:600}
.navlink:hover{text-decoration:underline}
.linkbtn{background:none;border:0;padding:0;color:var(--accent);cursor:pointer;font-weight:600}
.linkbtn:hover{text-decoration:underline}
.usage,.who{color:var(--sub);font-size:15px}
.statbar{display:flex;flex-wrap:wrap;gap:4px 18px;align-items:baseline;padding:8px 28px;background:var(--soft);border-bottom:1px solid var(--line);font-size:15px}
.statbar b{font-size:16.5px;font-variant-numeric:tabular-nums}
.statbar b.up{color:var(--ok)}
.statbar b.down{color:var(--bad)}
.statbar .dim{color:var(--sub)}
.wrap{max-width:1240px;margin:0 auto;padding:26px 28px 80px}
h1{font-size:24px;margin:0 0 14px}
h2{font-size:20px;margin:30px 0 12px;padding-bottom:6px;border-bottom:1.5px solid var(--ink)}
p{margin:8px 0}
.muted{color:var(--sub)}
.small{font-size:14.5px}
.btn{display:inline-block;border:1.5px solid var(--ink);background:#fff;color:var(--ink);padding:8px 16px;cursor:pointer;font-weight:600;text-decoration:none;border-radius:3px}
.btn:hover{background:var(--soft)}
.btn.primary{background:var(--ink);color:#fff}
.btn.primary:hover{background:#333}
.btn:disabled{opacity:.45;cursor:default}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.field{display:grid;grid-template-columns:150px 1fr;gap:12px;align-items:center;margin:12px 0}
.field label{font-weight:600}
.field input[type=text],.field input[type=password]{border:1.5px solid var(--line);padding:8px 10px;width:100%;max-width:420px}
.drop{border:1.5px dashed var(--line);padding:22px;text-align:center;color:var(--sub)}
.drop.over{border-color:var(--accent);background:#f5f9fd}
.err{color:var(--bad);font-weight:600}
.card-login{max-width:460px;margin:40px auto;border:1.5px solid var(--ink);padding:24px 26px}
table.t{border-collapse:collapse;width:100%;font-size:15.5px}
table.t th,table.t td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:middle}
table.t th{background:var(--soft);font-weight:700}
table.t tr.click{cursor:pointer}
table.t tr.click:hover td{background:#fafafa}
td.n{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.nowrap{white-space:nowrap}
.in{border:1.5px solid var(--line);padding:7px 9px;font-size:16px}
.in:focus{outline:2px solid var(--accent)}
.addrow{display:flex;flex-wrap:wrap;gap:8px 10px;align-items:center}
.addrow label{font-weight:600}
.addrow .in{width:190px}
.btn.small{padding:4px 11px;font-size:14.5px;white-space:nowrap}
.addrow .pair{display:inline-flex;gap:8px;align-items:center}
.btn.danger{border-color:var(--bad);color:var(--bad)}
.ubtns{display:flex;gap:6px;flex-wrap:wrap}
.uform{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-top:8px}
.uform .in{width:170px}
.okmsg{border-left:4px solid var(--ok);padding:6px 12px;background:#f3f9f3;margin:10px 0}
.chip{display:inline-block;border:1px solid var(--line);padding:1px 8px;font-size:14px;white-space:nowrap}
.chip.review{background:var(--warn);border-color:#d9b300}
.chip.auto{background:#e8f3e8;border-color:#9cc59c}
.chip.done{background:#e6eef7;border-color:#9db5cf}
.chip.run{background:var(--soft)}
.chip.err{background:#fbe3e1;border-color:#d99}
.summary{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);margin:8px 0 6px}
.summary div{padding:12px 14px;border-right:1px solid var(--line)}
.summary div:last-child{border-right:0}
.summary b{display:block;font-size:24px;font-variant-numeric:tabular-nums}
.summary span{font-size:14.5px;color:var(--sub)}
.bar{height:10px;border:1px solid var(--ink);background:#fff;margin-top:10px}
.bar i{display:block;height:100%;background:var(--ink);width:0}
.strip{display:grid;grid-template-columns:172px 1fr;gap:20px;border:1px solid var(--line);padding:14px;margin:12px 0}
.strip.is-review{border-left:5px solid #d9b300}
.strip.is-done{border-left:5px solid #9db5cf}
.strip.is-auto{border-left:5px solid #9cc59c}
.strip .pic{width:172px;cursor:zoom-in;border:1px solid #ddd;background:#fff;align-self:start}
.strip .pic img{width:100%;display:block}
.strip .hd{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap;margin-bottom:8px}
.strip .hd b{font-size:17px}
.strip .src{font-size:14px;color:var(--sub)}
.grid{border-collapse:collapse}
.grid td{border:1px solid #aaa;padding:0;position:relative}
.grid .rn{position:absolute;left:3px;top:2px;font-size:10.5px;line-height:1;color:#777;pointer-events:none;font-variant-numeric:tabular-nums}
.grid input{width:52px;height:34px;border:0;text-align:center;font-size:16px;font-variant-numeric:tabular-nums;background:transparent}
.grid td.review{background:var(--warn)}
.grid td.fixed{background:var(--fix)}
.grid td.checked{background:var(--chk)}
.grid td.human{box-shadow:inset 0 0 0 2px var(--accent)}
.grid input:focus{outline:2px solid var(--accent)}
.check{margin-top:8px;font-size:15px}
.check .ok{color:var(--ok);font-weight:700}
.check .bad{color:var(--bad);font-weight:700}
.side{display:flex;gap:24px;align-items:flex-start;flex-wrap:wrap}
.tools{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px;align-items:center}
.tools select{max-width:360px;padding:5px 6px;border:1.5px solid var(--line)}
.note{font-size:14.5px;color:#333;margin-top:6px}
.legend{font-size:14.5px;color:var(--sub);margin:6px 0}
.legend i{display:inline-block;width:20px;height:13px;border:1px solid #aaa;vertical-align:-1px;margin:0 4px 0 12px}
.panel-back{position:fixed;inset:0;background:rgba(0,0,0,.25);z-index:20}
.panel{position:fixed;top:0;right:0;bottom:0;width:min(560px,94vw);background:#fff;border-left:2px solid var(--ink);z-index:21;padding:18px 22px;overflow:auto}
.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.panel h3{font-size:17px;margin:16px 0 4px}
.panel li{margin:3px 0}
.lock{position:fixed;inset:0;background:rgba(255,255,255,.82);z-index:30;display:flex;align-items:center;justify-content:center}
.lock-box{border:2px solid var(--ink);background:#fff;padding:22px 26px;width:min(460px,92vw)}
.zoom{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:25;display:flex;align-items:center;justify-content:center;cursor:zoom-out}
.zoom img{max-height:94vh;max-width:94vw;background:#fff}
.fb{margin-top:6px}
.fb textarea{width:100%;max-width:640px;height:70px;border:1.5px solid var(--line);padding:6px}
.empty{border:1px dashed var(--line);padding:22px;color:var(--sub)}
.tablewrap{overflow-x:auto;max-width:100%}
.avgbox{min-width:270px}
.avgrow{display:inline-flex;align-items:center;gap:8px;font-weight:600}
.avgrow input{width:66px;height:34px;border:1.5px solid var(--line);text-align:center;font-size:16px;font-variant-numeric:tabular-nums}
.avgrow input:focus{outline:2px solid var(--accent)}
.kbd{display:inline-block;border:1px solid var(--ink);padding:0 6px;font-size:.92em;font-weight:600;background:#fff;white-space:nowrap}
/* 설명서 — 그림 + 번호 설명(번호 색 = 그림 위 빨간 상자) */
.mtoc{display:flex;flex-wrap:wrap;gap:6px 20px;border:1px solid var(--line);padding:10px 14px;margin:12px 0 4px}
.mtoc a{color:var(--accent);text-decoration:none;font-weight:600}
.mtoc a:hover{text-decoration:underline}
.mstep{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:24px;align-items:start;margin:14px 0 24px}
.mfig{margin:0;border:1px solid var(--line)}
.mfig img{width:100%;display:block;cursor:zoom-in}
.mitems{list-style:none;margin:0;padding:0}
.mitems li{display:grid;grid-template-columns:30px 1fr;gap:10px;margin:0 0 12px}
.mitems .num{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;background:#d32f2f;color:#fff;font-weight:700;font-size:15px;border-radius:3px}
.mnote{border-left:4px solid var(--line);padding:4px 12px;margin:8px 0}
@media print{
  /* 설명서 PDF — 절을 쪽에 묶음(pb = 새 쪽에서 시작), 그림 높이를 줄여 제목만 남는 쪽·글만 남는 쪽이 없게 */
  .top,.fb,.mtoc,a.btn{display:none!important}
  body{font-size:10.5pt;line-height:1.5}
  .wrap{max-width:none;padding:0}
  h1{font-size:18pt;margin:0 0 6px}
  h2{font-size:13.5pt;margin:16px 0 8px;break-after:avoid}
  .msec.pb{break-before:page}
  .mstep{grid-template-columns:1fr;gap:8px;break-inside:avoid;margin:8px 0 12px}
  .mfig{border:0;text-align:center}
  .mfig img{display:block;margin:0 auto;width:auto;max-width:100%;max-height:112mm;border:1px solid #c9c9c9;cursor:default}
  .mitems li{grid-template-columns:24px 1fr;gap:8px;margin:0 0 5px}
  .mitems .num{width:20px;height:20px;font-size:10.5pt}
  .mnote{break-inside:avoid;margin:5px 0}
}
@media (max-width:760px){
  .top{flex-direction:column;align-items:flex-start;gap:6px;padding:10px 16px}
  .brand{font-size:17px}
  .topnav{gap:8px 14px}
  .usage,.who,.hide-sm{display:none}
  .wrap{padding:18px 16px 60px}
  .statbar{padding:7px 16px;gap:2px 14px;font-size:14.5px}
  .strip{grid-template-columns:1fr}.strip .pic{width:120px}
  .summary{grid-template-columns:repeat(2,1fr)}.summary div:nth-child(2){border-right:0}.summary div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .field{grid-template-columns:1fr;gap:6px}
  .mstep{grid-template-columns:1fr}
  table.t{font-size:14.5px}
  table.t th,table.t td{padding:7px 6px}
}