:root{
  --bg:#f5f7fb;--card:#fff;--text:#172033;--muted:#64748b;--line:#dfe5ee;
  --primary:#1f5f99;--primary2:#174a78;--ok:#178447;--warn:#b7791f;--danger:#b42318;
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}
header{background:#123e64;color:#fff;padding:16px 24px;display:flex;align-items:center;justify-content:space-between}
header h1{font-size:20px;margin:0}
nav{background:#fff;border-bottom:1px solid var(--line);padding:0 18px;display:flex;gap:4px;flex-wrap:wrap}
nav a{padding:13px 14px;color:#334155;text-decoration:none;border-bottom:3px solid transparent}
nav a.active{color:var(--primary);border-color:var(--primary);font-weight:700}
main{max-width:1400px;margin:22px auto;padding:0 18px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:0 1px 2px rgba(0,0,0,.03)}
.kpi{font-size:30px;font-weight:700;margin-top:8px}
.muted{color:var(--muted)}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:10px;overflow:hidden}
th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#eef3f8;font-size:13px}
.badge{display:inline-block;padding:3px 8px;border-radius:999px;font-size:12px;background:#e6edf5}
.badge.ok{background:#dcfce7;color:#166534}.badge.warn{background:#fff7d6;color:#854d0e}.badge.danger{background:#fee2e2;color:#991b1b}
.btn{display:inline-block;background:var(--primary);color:#fff;text-decoration:none;border:0;border-radius:8px;padding:9px 12px;cursor:pointer}
.btn:hover{background:var(--primary2)}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:end}
label{display:block;font-size:13px;font-weight:700;margin-bottom:5px}
input,select,textarea{width:100%;padding:9px 10px;border:1px solid #cbd5e1;border-radius:7px;background:#fff}
.field{min-width:180px;flex:1}
textarea{min-height:90px}
h2{margin-top:0}
.notice{padding:12px 14px;border-radius:8px;margin:12px 0;background:#eaf4ff;border:1px solid #c7def5}
footer{max-width:1400px;margin:30px auto;padding:0 18px 25px;color:#64748b;font-size:12px}