*{box-sizing:border-box}
:root{color-scheme:light;--ink:#0f172a;--muted:#64748b;--line:#dbe3ec;--soft:#f5f8fb;--danger:#b42318}
body{margin:0;background:#f6f8fb;color:var(--ink);font:15px/1.6 Pretendard,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;letter-spacing:0}
header{height:72px;background:#fff;border-bottom:1px solid #e5e7eb}
.header-inner{max-width:1120px;height:100%;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand img{display:block;width:156px;height:auto}
nav{display:flex;align-items:center;gap:10px}
nav a{padding:8px 10px;color:#475569;text-decoration:none;font-weight:800}
nav a.active{color:#0f172a;border-bottom:2px solid #0f172a}
main{width:min(720px,calc(100% - 32px));margin:48px auto 72px}
.lookup,.result{background:#fff;border:1px solid var(--line);border-radius:8px;padding:32px}
.eyebrow{margin:0 0 6px;color:#059669;font-size:12px;font-weight:900;letter-spacing:.08em}
h1,h2{margin:0;letter-spacing:0}h1{font-size:30px;line-height:1.3}h2{font-size:22px}
.lead{margin:10px 0 24px;color:var(--muted)}
form{display:grid;gap:16px}label{display:grid;gap:7px;font-weight:800;font-size:13px}
input{width:100%;height:48px;border:1px solid #cbd5e1;border-radius:7px;padding:0 13px;background:#fff;color:#111827;font:inherit;outline:none}
input:focus{border-color:#0891b2;box-shadow:0 0 0 3px rgba(8,145,178,.12)}
button{min-height:48px;border:1px solid #111827;border-radius:7px;padding:0 18px;background:#111827;color:#fff;font:inherit;font-weight:900;cursor:pointer}
button:disabled{opacity:.5;cursor:default}.message{min-height:24px;margin:14px 0 0;color:var(--muted)}.message.error{color:var(--danger)}
.result{margin-top:16px}.result-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:22px}
.badge{display:inline-flex;align-items:center;min-height:30px;padding:3px 10px;border-radius:999px;background:#ecfdf5;color:#047857;font-size:13px;font-weight:900}
dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin:0;border-top:1px solid var(--line)}
dl div{padding:15px 0;border-bottom:1px solid var(--line)}dl div:nth-child(odd){padding-right:18px}dt{color:var(--muted);font-size:12px;font-weight:800}dd{margin:3px 0 0;font-weight:800;overflow-wrap:anywhere}
.result-message{margin:18px 0;padding:13px 14px;border-left:3px solid #0891b2;background:#f0f9ff;color:#164e63}
.actions{display:flex;flex-wrap:wrap;gap:9px}.actions .danger{background:#fff;color:var(--danger);border-color:#f04438}.actions .secondary{background:#fff;color:#111827;border-color:#cbd5e1}.actions .text-button{background:transparent;color:#475569;border-color:transparent}
.help{margin-top:18px;padding:18px 4px;color:#475569}.help p{margin:5px 0 0}
[hidden]{display:none!important}
@media(max-width:600px){header{height:64px}.header-inner{padding:0 16px}.brand img{width:132px}nav a:first-child{display:none}main{margin:24px auto 48px}.lookup,.result{padding:22px 18px}h1{font-size:26px}dl{grid-template-columns:1fr}dl div:nth-child(odd){padding-right:0}.actions button{width:100%}}