:root {
  --bg:#f4f6f8; --surface:#fff; --surface2:#f8fafb; --text:#17202a; --muted:#6b7785;
  --line:#e3e8ee; --accent:#1f6feb; --accent-dark:#1858ba; --good:#1a7f37; --warn:#9a6700;
  --danger:#cf222e; --sidebar:#111827; --sidebar2:#1f2937; --shadow:0 10px 30px rgba(17,24,39,.08);
  font-family: Inter, Pretendard, "Noto Sans KR", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
*{box-sizing:border-box} body{margin:0;background:var(--bg);color:var(--text)} button,input,textarea,select{font:inherit}
.hidden{display:none!important}.muted{color:var(--muted);margin:0}.error-text{color:var(--danger);font-size:13px;margin:4px 0 0}
.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(135deg,#f8fafc,#e8eef7)}
.login-card{width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:var(--shadow);display:grid;gap:16px}
.login-card h1{font-size:24px;margin:0 0 5px}.brand-mark{width:56px;height:56px;border-radius:16px;background:#111827;color:white;display:grid;place-items:center;font-weight:800;letter-spacing:.5px}
.brand-mark.small{width:38px;height:38px;border-radius:11px;font-size:13px}.field-label{font-size:13px;font-weight:700;color:#3e4c59;margin-top:6px}
.input{width:100%;padding:12px 13px;border:1px solid #ccd5df;border-radius:10px;background:white;outline:none}.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(31,111,235,.12)}
.btn{border:0;border-radius:9px;padding:10px 14px;font-weight:700;cursor:pointer;transition:.15s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.primary{background:var(--accent);color:white}.btn.primary:hover{background:var(--accent-dark)}
.btn.secondary{background:white;border:1px solid var(--line);color:#334155}.btn.danger{background:#fff1f2;color:var(--danger);border:1px solid #fecdd3}.btn.small{padding:7px 10px;font-size:12px}.wide{width:100%}.dev-note{font-size:12px;line-height:1.55;color:#7b8794;margin:4px 0 0}
.app-shell{min-height:100vh;display:grid;grid-template-columns:230px 1fr}.sidebar{background:var(--sidebar);color:white;position:fixed;inset:0 auto 0 0;width:230px;padding:18px 14px;display:flex;flex-direction:column;z-index:5}
.sidebar-brand{display:flex;align-items:center;gap:10px;padding:4px 6px 18px;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-brand strong{display:block}.sidebar-brand span{display:block;font-size:11px;color:#9ca3af;margin-top:2px}
.nav{display:grid;gap:5px;margin-top:16px}.nav-item{border:0;background:transparent;color:#cbd5e1;text-align:left;padding:11px 12px;border-radius:9px;cursor:pointer;font-weight:600}.nav-item:hover,.nav-item.active{background:var(--sidebar2);color:white}
.sidebar-footer{margin-top:auto;padding:12px 6px 4px}.server-pill{font-size:11px;color:#cbd5e1;display:flex;align-items:center;gap:7px;margin-bottom:10px}.dot{width:8px;height:8px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 3px rgba(34,197,94,.12)}.link-btn{border:0;background:none;color:var(--accent);padding:4px;cursor:pointer;font-weight:700;font-size:13px}.sidebar .link-btn{color:#93c5fd}
.main{grid-column:2;padding:26px;min-width:0}.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:22px}.topbar h2{margin:0 0 5px;font-size:25px}.top-actions{display:flex;gap:8px;flex-wrap:wrap}
.page{display:none}.page.active{display:block}.stats-grid{display:grid;grid-template-columns:repeat(6,minmax(140px,1fr));gap:12px;margin-bottom:16px}.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:17px;box-shadow:0 1px 2px rgba(17,24,39,.02)}.stat-card span{font-size:12px;font-weight:700;color:#5f6b78}.stat-card strong{display:block;font-size:27px;margin:8px 0 4px}.stat-card small{color:#8793a1}.stat-card.warning strong{color:var(--warn)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}.panel{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden}.panel-head{padding:17px 18px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:12px}.panel-head h3{margin:0;font-size:16px}.panel-head p{margin:4px 0 0;color:var(--muted);font-size:12px}
.table-wrap{overflow:auto}.data-table{width:100%;border-collapse:collapse;font-size:13px}.data-table th{padding:11px 13px;text-align:left;color:#64748b;background:var(--surface2);font-size:11px;letter-spacing:.02em;white-space:nowrap}.data-table td{padding:12px 13px;border-top:1px solid #edf0f4;vertical-align:middle}.data-table tr:hover td{background:#fbfcfd}.nowrap{white-space:nowrap}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px}
.badge{display:inline-flex;align-items:center;padding:4px 7px;border-radius:999px;font-size:10px;font-weight:800;background:#eef2f6;color:#52606d;white-space:nowrap}.badge.good{background:#e8f5ec;color:var(--good)}.badge.warn{background:#fff5d6;color:var(--warn)}.badge.bad{background:#ffebe9;color:var(--danger)}.badge.info{background:#e8f0fe;color:#1d4ed8}.empty{padding:38px;text-align:center;color:#8190a0}.row-actions{display:flex;gap:6px;flex-wrap:wrap}
.modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.45);display:grid;place-items:center;padding:20px;z-index:30}.modal{width:min(620px,100%);max-height:90vh;overflow:auto;background:white;border-radius:16px;box-shadow:0 24px 70px rgba(0,0,0,.2)}.modal-head{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.modal-head h3{margin:0}.modal-body{padding:20px}.modal-foot{padding:14px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px}.close-btn{border:0;background:none;font-size:24px;color:#667085;cursor:pointer}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.field{display:grid;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:12px;font-weight:700;color:#475569}.key-box{display:flex;align-items:center;gap:8px;background:#f8fafc;border:1px dashed #a9b7c6;border-radius:10px;padding:12px}.key-box code{font-size:15px;word-break:break-all}.warning-box{padding:12px;border-radius:9px;background:#fff8df;border:1px solid #f1d687;color:#7a5b00;font-size:12px;line-height:1.5;margin-bottom:14px}.detail-grid{display:grid;grid-template-columns:140px 1fr;gap:9px 12px;font-size:13px}.detail-grid dt{color:#687583}.detail-grid dd{margin:0;word-break:break-all}.event-list{margin-top:18px;border-top:1px solid var(--line)}.event-item{padding:10px 0;border-bottom:1px solid #edf0f4;font-size:12px}.event-item strong{display:inline-block;margin-right:8px}.toast{position:fixed;right:22px;bottom:22px;background:#17202a;color:white;padding:12px 16px;border-radius:10px;box-shadow:var(--shadow);z-index:60;font-size:13px}
@media (max-width:1150px){.stats-grid{grid-template-columns:repeat(3,1fr)}.two-col{grid-template-columns:1fr}}
@media (max-width:760px){.app-shell{display:block}.sidebar{position:static;width:100%;height:auto;padding:10px 12px;display:block}.sidebar-brand{border:0;padding:2px 2px 10px}.nav{display:flex;overflow:auto;margin:0;gap:4px}.nav-item{white-space:nowrap;padding:9px 10px}.sidebar-footer{display:none}.main{padding:16px}.topbar{align-items:stretch;flex-direction:column}.top-actions{display:grid;grid-template-columns:1fr 1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.data-table{min-width:720px}.modal-backdrop{padding:8px;align-items:end}.modal{border-radius:16px 16px 0 0;max-height:92vh}}
@media (max-width:420px){.stats-grid{grid-template-columns:1fr 1fr}.stat-card{padding:13px}.stat-card strong{font-size:23px}.main{padding:12px}.topbar h2{font-size:22px}}