:root{
  --ink:#0f172a; --ink-2:#475569; --line:#e2e8f0; --bg:#f6f7fb; --card:#fff;
  --blue:#1d4ed8; --blue-soft:#e0e7ff; --ok:#15803d; --warn:#b45309; --bad:#b91c1c; --flag:#fef9c3;
  font-family:"Pretendard","Malgun Gothic","Apple SD Gothic Neo",system-ui,sans-serif; color:var(--ink); background:var(--bg);
}
*{box-sizing:border-box}
body{margin:0;line-height:1.55}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.muted{color:var(--ink-2)} .small{font-size:12px} .error{color:var(--bad)}
code{background:var(--blue-soft);padding:1px 5px;border-radius:4px;font-size:.92em}
button,.btn{font:inherit;border-radius:8px;padding:9px 16px;cursor:pointer;border:1px solid transparent;text-decoration:none;display:inline-block}
.primary{background:var(--blue);color:#fff} .primary:hover{background:#1e40af}
.primary:disabled{opacity:.45;cursor:not-allowed}
.ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.link{background:none;border:0;padding:0;color:var(--blue);text-decoration:underline}
:focus-visible{outline:3px solid #93c5fd;outline-offset:2px}

.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.top .row{height:56px}
.brand{font-size:17px;margin-right:12px}
.top nav{display:flex;gap:4px;margin-right:auto}
.top nav a{padding:6px 12px;border-radius:6px;color:var(--ink-2);text-decoration:none}
.top nav a[aria-current]{background:var(--blue-soft);color:var(--blue);font-weight:600}

.step{margin:28px 0}
.step h2{font-size:19px;display:flex;align-items:center;gap:10px;margin:0 0 14px}
.num{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--blue);color:#fff;font-size:14px}
.upload-grid{display:grid;grid-template-columns:1fr 360px;gap:18px;align-items:start}
@media(max-width:860px){.upload-grid{grid-template-columns:1fr}}
.drop{border:2px dashed #94a3b8;border-radius:14px;background:#fff;padding:34px 24px;text-align:center}
.drop.over{border-color:var(--blue);background:var(--blue-soft)}
.drop-title{font-size:18px;font-weight:600;margin:0 0 6px}
.example{margin:0;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px}
.example figcaption{font-size:13px;margin-bottom:8px}
.example svg{width:100%;height:auto;display:block}
.tight{margin:8px 0 0;padding-left:18px;font-size:12.5px}

.cards{display:grid;gap:14px;margin:16px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}
.card.active{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}
.card-head{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.card-head input{font:inherit;padding:7px 10px;border:1px solid var(--line);border-radius:6px}
.card-head .name{font-weight:700;min-width:200px}
.badge{margin-left:auto;background:var(--blue-soft);color:var(--blue);padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}
.report-drop{border:1.5px dashed #cbd5e1;border-radius:10px;padding:12px;margin:10px 0;text-align:center;font-size:13px}
.report-drop.has{border-style:solid}
.report-drop img{max-height:180px;max-width:100%;border-radius:6px}
progress{width:100%;height:8px}
.log{list-style:none;padding:0;margin:8px 0;font-size:13px}
.log li{padding:3px 0}
.log li.ok{color:var(--ok)} .log li.warn{color:var(--warn)}
.review{margin-top:12px}
.review summary{cursor:pointer;font-weight:600}
table{width:100%;border-collapse:collapse;background:#fff;font-size:13px;margin-top:8px}
th,td{border-bottom:1px solid var(--line);padding:7px 8px;text-align:left;vertical-align:top}
th{background:#f1f5f9;font-weight:600}
tr.wrong td{background:#fef2f2}
tr.flag td{background:var(--flag)}
td select{font:inherit;max-width:220px}

.tabs{display:flex;gap:6px;margin:22px 0 12px}
.tabs button{background:#fff;border:1px solid var(--line)}
.tabs button[aria-selected=true]{background:var(--blue);color:#fff}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.filters input,.filters select{font:inherit;padding:8px 10px;border:1px solid var(--line);border-radius:6px}
.trap{margin-top:6px}
.chip{display:inline-block;background:var(--blue-soft);color:var(--blue);border-radius:4px;padding:0 6px;font-size:11px}

body.login{display:grid;place-items:center;min-height:100dvh;padding:20px}
.login-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:32px;width:min(100%,400px)}
.login-card h1{margin:0 0 6px}
.eyebrow{font-size:11px;letter-spacing:.16em;color:var(--ink-2);margin:0 0 8px}
.login-card label{display:block;font-size:13px;margin:14px 0 6px}
.login-card input{font:inherit;font-size:16px;width:100%;padding:11px;border:1px solid #cbd5e1;border-radius:8px}
.login-card button{width:100%;margin-top:18px}