:root{font-family:'Malgun Gothic','Apple SD Gothic Neo',system-ui,sans-serif;color:#17263b;background:#f3f6fa;--navy:#152941;--blue:#2768dd;--line:#dce5ef;--muted:#66788e;--pale:#eef5ff}*{box-sizing:border-box}body{margin:0}.app{display:grid;grid-template-columns:228px minmax(0,1fr);min-height:100vh}aside{background:var(--navy);color:#d7e5f4;padding:28px 14px;position:sticky;top:0;height:100vh}.brand{padding:3px 14px 30px;color:white;font-size:20px;font-weight:800;line-height:1.3}.brand small{display:block;margin-top:6px;color:#8fb1d5;font-size:11px;letter-spacing:.08em;font-weight:600}.nav{display:flex;flex-direction:column;gap:5px}.nav button{border:0;background:transparent;color:#c9d7e7;text-align:left;padding:13px 14px;border-radius:10px;font-size:14px;font-weight:700;cursor:pointer}.nav button:hover,.nav button.active{background:#264564;color:white}.sidefoot{position:absolute;bottom:24px;left:26px;right:20px;font-size:11px;color:#8ca7c1;line-height:1.6}main{min-width:0;padding:28px clamp(18px,3vw,46px) 64px;max-width:1600px;width:100%;margin:auto}.top{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:24px}.eyebrow{color:var(--blue);font-size:12px;letter-spacing:.08em;font-weight:800}.top h1{font-size:27px;letter-spacing:-.04em;margin:5px 0 6px}.top p{color:var(--muted);margin:0;font-size:13px}.topright{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.pill{display:inline-flex;align-items:center;gap:6px;border-radius:99px;font-size:11px;font-weight:800;padding:8px 11px;background:#e5f2e9;color:#1c6c43}.pill.warn{background:#fff1d5;color:#8d5700}.pill.demo{background:#fae7df;color:#9e4c23}.btn{border:1px solid var(--line);border-radius:9px;background:#fff;color:#263b56;padding:10px 14px;font-weight:750;cursor:pointer;font-size:12px}.btn:hover{border-color:#85a8d6;background:#f8fbff}.btn.primary{background:var(--blue);color:white;border-color:var(--blue)}.btn.primary:hover{background:#1b56be}.btn.danger{color:#a53932}.btn.small{font-size:11px;padding:7px 10px}.panel{background:white;border:1px solid var(--line);border-radius:15px;box-shadow:0 4px 20px #17335008;padding:22px;margin-bottom:18px}.panel h2{font-size:16px;margin:0 0 5px}.sub{color:var(--muted);font-size:12px;margin:0 0 18px;line-height:1.6}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:18px}.metric{background:#fff;border:1px solid var(--line);border-radius:13px;padding:20px}.metric .label{color:var(--muted);font-size:12px;font-weight:750}.metric strong{display:block;font-size:26px;letter-spacing:-.05em;margin:13px 0 3px}.metric small{font-size:11px;color:var(--muted)}.metric.alert{border-color:#f0dcb1;background:#fffaf0}.cols{display:grid;grid-template-columns:1fr 1fr;gap:18px}.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:16px}.actions.right{justify-content:flex-end}.fieldgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.field{display:flex;flex-direction:column;gap:7px;min-width:0}.field.wide{grid-column:span 2}.field.full{grid-column:1/-1}.field label{font-size:12px;font-weight:750;color:#344a63}.field label em{font-style:normal;color:#e4554f}.field input,.field select,.field textarea,.search{font:inherit;font-size:13px;padding:11px 12px;border:1px solid #ccd8e5;border-radius:8px;background:#fff;width:100%;color:#1a2f47;outline:none}.field input:focus,.field select:focus,.field textarea:focus,.search:focus{border-color:var(--blue);box-shadow:0 0 0 3px #2768dd1c}.field textarea{resize:vertical;min-height:62px}.manual{background:#fff8e7!important;border-color:#edcc7d!important}.hint{font-size:11px;color:var(--muted);line-height:1.5}.callout{background:var(--pale);border:1px solid #d7e7ff;border-radius:10px;padding:13px 15px;color:#285078;font-size:12px;line-height:1.6;margin:16px 0}.callout.warning{background:#fff7e8;border-color:#f3ddb0;color:#8a5a18}.callout.error{background:#fff0ee;border-color:#edc5c0;color:#a53530}.formfoot{display:flex;justify-content:flex-end;gap:9px;margin-top:19px}.tablewrap{overflow:auto;border:1px solid var(--line);border-radius:10px}table{width:100%;border-collapse:collapse;font-size:12px;white-space:nowrap}th{position:sticky;top:0;background:#f5f8fc;color:#52677e;text-align:left;font-size:11px;padding:11px 12px;border-bottom:1px solid var(--line)}td{padding:12px;border-bottom:1px solid #edf1f5;vertical-align:middle}tr:last-child td{border-bottom:0}tbody tr:hover{background:#f9fbfe}.mono{font-variant-numeric:tabular-nums;font-family:Consolas,'Malgun Gothic',sans-serif}.number{text-align:right}.tag{display:inline-block;font-size:10px;font-weight:800;padding:5px 8px;border-radius:7px;background:#e7f4ec;color:#247044}.tag.hold{background:#fff0d2;color:#9c5e00}.tag.done{background:#eef1f5;color:#607082}.tag.out{background:#e9f1ff;color:#205bb1}.tag.cancel{background:#f5e9e8;color:#9a534e}.empty{text-align:center;color:#8898a8;padding:45px 10px}.filters{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:14px}.filters .search{max-width:310px}.filters select{font-size:12px;padding:9px;border:1px solid var(--line);border-radius:8px}.filters .push{margin-left:auto}.footnote{font-size:11px;color:#76889b;line-height:1.7;margin-top:14px}.section{display:none}.section.active{display:block}.history-head{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:14px}.history-head h2{margin:0}.timeline{border-left:2px solid #d6e3f3;padding-left:18px;margin:16px 0 0 8px}.timeline>div{position:relative;padding:0 0 20px}.timeline>div:before{content:'';position:absolute;left:-24px;top:3px;width:10px;height:10px;border-radius:50%;background:var(--blue);border:3px solid white;box-shadow:0 0 0 1px #bfd3ee}.timeline b{font-size:12px}.timeline span{color:var(--muted);font-size:11px;display:block;margin-top:5px;line-height:1.5}.alertbox{padding:12px 14px;border-radius:9px;margin:0 0 16px;font-size:12px;background:#eaf4ff;color:#26537d}.alertbox.error{background:#fff0ee;color:#a53530}.seg{display:flex;gap:8px}.muted{color:var(--muted)}.strike{text-decoration:line-through;color:#8b99a8}footer{font-size:11px;color:#8695a7;margin-top:28px;line-height:1.6}@media(max-width:1000px){.grid{grid-template-columns:repeat(2,1fr)}.cols{grid-template-columns:1fr}}@media(max-width:720px){.app{display:block}aside{height:auto;position:static;padding:14px}.brand{padding:0 5px 10px;font-size:15px}.brand small,.sidefoot{display:none}.nav{flex-direction:row;overflow:auto}.nav button{white-space:nowrap;padding:10px}main{padding:20px 14px 50px}.top{display:block}.topright{margin-top:14px;justify-content:flex-start}.fieldgrid{grid-template-columns:1fr 1fr}.grid{gap:9px}.metric{padding:14px}.metric strong{font-size:20px}}@media(max-width:470px){.fieldgrid{grid-template-columns:1fr}.field.wide{grid-column:span 1}.grid{grid-template-columns:1fr 1fr}}

/* B안: responsive mobile usability */
.login-screen{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(140deg,#102743,#eef5ff)}.login-card{width:min(420px,100%);background:white;border-radius:18px;padding:30px;box-shadow:0 16px 55px #081e3540}.login-card h1{margin-top:0}.login-card input{width:100%;padding:12px;margin:7px 0 13px;border:1px solid #ccd8e5;border-radius:8px}.login-card button{width:100%}.hidden{display:none!important}.notice{padding:13px;border-radius:9px;margin-bottom:18px;background:#eaf4ff;color:#244969;font-size:13px}.notice.error{background:#fff0ee;color:#982e2e}.alert-low{color:#aa4b00;font-weight:800}.textbutton{border:0;background:transparent;color:#2768dd;cursor:pointer}.controls{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.controls input,.controls select{padding:10px;border:1px solid #ccd8e5;border-radius:8px;max-width:240px}.desktop-only{display:table-cell}.mobile-card{display:none}@media(max-width:720px){aside{position:sticky;top:0;z-index:5;box-shadow:0 2px 10px #0014}.nav{overflow-x:auto;scrollbar-width:thin}.nav button{font-size:12px;padding:10px 11px}.panel{padding:15px}.top h1{font-size:23px}.topright{justify-content:flex-start}.tablewrap{overflow-x:auto}.btn{min-height:42px}.fieldgrid{grid-template-columns:1fr}.field.wide{grid-column:auto}.metric{padding:13px}.metric strong{font-size:20px}.desktop-only{display:none}.mobile-card{display:block}.actions .btn{flex:1}}