*{box-sizing:border-box}
:root{
  --nav:#101824;
  --blue:#1685bf;
  --blue2:#0e6fa8;
  --line:#d8e0e8;
  --text:#15324f;
  --muted:#687b8f;
  --bg:#f4f6f8;
  --card:#fff;
}
html,body{margin:0;min-height:100%;font-family:Arial,"Noto Sans KR","Malgun Gothic",sans-serif;background:var(--bg);color:var(--text)}
button,input{font:inherit}
.topbar{height:92px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px}
.brand-wrap{display:flex;align-items:baseline;gap:20px}
.brand{font-size:30px;font-weight:800;letter-spacing:-1px}
.brand span{color:var(--blue)}
.subtitle{color:#7a8da1;font-size:14px}
.server-badge{font-size:13px;padding:8px 12px;border-radius:999px;background:#eef3f7;color:#536a80}
.server-badge.ok{background:#eaf7ee;color:#247743}
.server-badge.err{background:#fff0f0;color:#a63a3a}
.main{min-height:calc(100vh - 92px);display:grid;place-items:center;padding:28px}
.panel{width:min(720px,100%);background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:0 12px 36px rgba(24,48,72,.08);padding:34px}
.login-panel{max-width:500px}
.panel-title{font-size:28px;font-weight:800;margin-bottom:8px}
.panel-desc{margin:0 0 24px;color:var(--muted);line-height:1.7}
.login-form{display:grid;gap:16px}
label{display:grid;gap:8px;font-weight:700}
input{width:100%;height:46px;border:1px solid #cbd5df;border-radius:8px;padding:0 13px;outline:none;background:#fff}
input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(22,133,191,.12)}
.primary,.ghost{height:46px;border-radius:8px;border:0;cursor:pointer;font-weight:700}
.primary{background:var(--blue);color:#fff}
.primary:hover{background:var(--blue2)}
.primary:disabled{opacity:.55;cursor:not-allowed}
.ghost{padding:0 18px;background:#fff;border:1px solid #cbd5df;color:var(--text)}
.message{min-height:24px;margin-top:14px;font-size:14px;color:#a63a3a}
.hidden{display:none!important}
.dashboard{width:min(900px,100%)}
.dashboard-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}
.eyebrow{font-size:13px;font-weight:800;color:var(--blue);margin-bottom:6px}
h1{font-size:30px;margin:0 0 8px}
.info-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:24px}
.info-card{border:1px solid var(--line);background:#f9fbfd;border-radius:10px;padding:18px}
.info-label{font-size:13px;color:var(--muted);margin-bottom:8px}
.info-value{font-size:18px;font-weight:800;word-break:break-word}
.info-value.ok{color:#247743}
.next-card{margin-top:18px;padding:18px;border-radius:10px;background:#eef7fc;border:1px solid #cde6f4}
.next-card p{margin:8px 0 0;color:#50677d;line-height:1.65}
@media(max-width:720px){
  .topbar{height:auto;min-height:80px;padding:18px;align-items:flex-start;gap:12px}
  .brand-wrap{display:block}
  .brand{font-size:24px}
  .subtitle{margin-top:5px}
  .server-badge{font-size:11px}
  .main{min-height:calc(100vh - 80px);padding:16px}
  .panel{padding:22px}
  .dashboard-head{display:block}
  .dashboard-head .ghost{margin-top:12px}
  .info-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:440px){
  .info-grid{grid-template-columns:1fr}
}