:root{
  --navy:#0b1f3a;
  --navy2:#102a4d;
  --card:#ffffff;
  --bg:#f4f6fb;
  --text:#0f172a;
  --muted:#64748b;
  --line:#e5e7eb;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--text)}
.topbar{
  position:sticky;top:0;z-index:10;
  background:linear-gradient(90deg,var(--navy),var(--navy2));
  color:#fff;display:flex;align-items:center;justify-content:space-between;
  padding:12px 14px;
}
.brand{font-weight:700;letter-spacing:.2px}
.menuBtn{background:transparent;border:0;color:#fff;cursor:pointer}
.menuBtn .material-icons{font-size:28px}
.container{max-width:980px;margin:0 auto;padding:14px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:14px;box-shadow:0 6px 18px rgba(15,23,42,.06);
  margin-bottom:12px;
}
.label{font-size:13px;color:var(--muted);margin-bottom:6px}
.input, select, textarea{
  width:100%;padding:12px 12px;border-radius:12px;border:1px solid var(--line);
  outline:none;background:#fff;font-size:15px;
}
.row{display:grid;grid-template-columns:1fr;gap:10px}
@media(min-width:760px){.row{grid-template-columns:1fr 1fr}}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  border:0;border-radius:12px;padding:12px 14px;
  background:var(--navy);color:#fff;cursor:pointer;font-weight:600;
}
.btn.secondary{background:#eef2ff;color:var(--navy);border:1px solid #c7d2fe}
.btn.danger{background:#b91c1c}
.hint{font-size:13px;color:var(--muted);margin-top:6px}
.footer{padding:14px;text-align:center;color:var(--muted);font-size:13px}

.sideMenu{
  position:fixed;top:0;right:-320px;width:320px;max-width:88vw;height:100vh;
  background:#fff;border-left:1px solid var(--line);z-index:20;
  transition:right .22s ease;display:flex;flex-direction:column;
}
.sideMenu.open{right:0}
.overlay{position:fixed;inset:0;background:rgba(15,23,42,.35);display:none;z-index:15}
.overlay.show{display:block}
.sideHeader{padding:16px;background:linear-gradient(90deg,var(--navy),var(--navy2));color:#fff}
.sideTitle{font-weight:800}
.sideSub{opacity:.9;font-size:13px;margin-top:4px}
.sideMenu a{
  padding:12px 14px;text-decoration:none;color:var(--text);
  border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;
}
.sideMenu a .material-icons{color:var(--navy)}
.badge{display:inline-block;padding:4px 10px;border-radius:999px;font-size:12px;border:1px solid var(--line);color:var(--muted)}
.alert{padding:10px 12px;border-radius:12px;margin-bottom:10px}
.alert.ok{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46}
.alert.bad{background:#fef2f2;border:1px solid #fecaca;color:#7f1d1d}
table{width:100%;border-collapse:collapse}
th,td{padding:10px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}