*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:#f4f6fa;color:#1f2937}
a{color:#1e3a8a;text-decoration:none}
a:hover{text-decoration:underline}
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh}
.login-card{background:#fff;padding:2rem;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.08);width:340px}
.login-card h1{font-size:1.25rem;margin:0 0 1rem;color:#1e3a8a}
.login-card label{display:block;margin-bottom:.8rem;font-size:.9rem;color:#374151}
.login-card input{width:100%;padding:.6rem;border:1px solid #d1d5db;border-radius:8px;margin-top:.3rem}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:.8rem 1.2rem;background:#fff;border-bottom:1px solid #e5e7eb}
.brand{font-weight:600;color:#1e3a8a}
.container{max-width:1100px;margin:1.5rem auto;padding:0 1rem}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:.8rem;margin-bottom:1.5rem}
.card{background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:.9rem}
.card .label{font-size:.78rem;color:#6b7280;text-transform:uppercase;letter-spacing:.03em}
.card .value{font-size:1.6rem;font-weight:600;color:#111827;margin-top:.3rem}
.card .value.small{font-size:1rem}
.table-wrap{background:#fff;border:1px solid #e5e7eb;border-radius:10px;overflow:auto}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:.7rem .9rem;border-bottom:1px solid #f1f5f9;text-align:left;font-size:.92rem}
.table th{background:#f8fafc;font-weight:600;color:#374151}
.up{color:#15803d;font-weight:600}
.down{color:#b91c1c;font-weight:600}
.zero{color:#6b7280}
.muted{color:#9ca3af}
.btn{display:inline-block;padding:.5rem .9rem;border:none;border-radius:8px;background:#1e3a8a;color:#fff;cursor:pointer;font-size:.9rem}
.btn:hover{background:#1e40af}
.btn-sm{padding:.35rem .6rem;font-size:.85rem}
.btn-primary{width:100%;margin-top:.5rem}
.inline-form{display:flex;gap:.4rem;align-items:center}
.inline-form input[type=number]{width:110px;padding:.4rem;border:1px solid #d1d5db;border-radius:6px}
.alert{padding:.7rem 1rem;border-radius:8px;margin-bottom:1rem;font-size:.9rem}
.alert-success{background:#dcfce7;color:#166534}
.alert-error{background:#fee2e2;color:#991b1b}
.range-tabs{display:flex;gap:.5rem;margin-bottom:1rem}
.range-tabs a{padding:.4rem .8rem;border:1px solid #d1d5db;border-radius:8px;background:#fff;font-size:.88rem}
.range-tabs a.active{background:#1e3a8a;color:#fff;border-color:#1e3a8a}
.chart-wrap{background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:1rem;height:320px;margin-bottom:1.5rem}
.cron-help{background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:1rem 1.2rem;margin-top:1.5rem}
.cron-help h2{font-size:1.05rem;margin:.2rem 0 .8rem;color:#1e3a8a}
.cron-help pre{background:#f8fafc;padding:.7rem;border-radius:6px;overflow:auto;font-size:.85rem}
@media(max-width:640px){
  .table th:nth-child(4),.table td:nth-child(4){display:none}
  .inline-form{flex-direction:column;align-items:stretch}
  .inline-form input[type=number]{width:100%}
}