.security-lock-overlay{
  position:fixed;inset:0;z-index:5000;display:none;align-items:center;justify-content:center;
  padding:24px;background:rgba(9,15,28,.78);backdrop-filter:blur(10px)
}
.security-lock-overlay.show{display:flex}
body.irontrack-locked{overflow:hidden}
body.irontrack-locked .app-shell{filter:blur(8px);pointer-events:none;user-select:none}
.security-lock-card{
  width:min(100%,420px);background:var(--card,#fff);border:1px solid var(--border,#dbe2ea);
  border-radius:22px;padding:28px;box-shadow:0 24px 80px rgba(0,0,0,.32)
}
.security-lock-card h1{margin:8px 0 6px;font-size:30px}
.security-lock-card p{margin:0 0 22px;color:var(--muted,#64748b)}
.security-lock-mark{
  display:grid;place-items:center;width:52px;height:52px;border-radius:16px;background:#111827;color:#fff;
  font-weight:800;letter-spacing:.04em;margin-bottom:16px
}
.security-lock-form{display:grid;gap:10px}
.security-lock-form label{font-size:13px;font-weight:700;color:var(--muted,#64748b)}
.security-lock-form input{
  width:100%;box-sizing:border-box;font-size:26px;letter-spacing:.35em;text-align:center;
  padding:14px 16px;border:1px solid var(--border,#dbe2ea);border-radius:12px;background:var(--input,#fff)
}
.security-unlock-button{width:100%;justify-content:center;margin-top:4px}
.security-lock-error{min-height:20px;color:#b91c1c;font-size:13px;font-weight:700;text-align:center}
.security-manager-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.security-status-card{grid-column:1/-1}
.security-danger-card{border-color:#fecaca}
.security-kpis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:18px 0}
.security-kpis>div{padding:14px;border:1px solid var(--border,#e2e8f0);border-radius:12px;background:rgba(148,163,184,.06)}
.security-kpis span{display:block;font-size:12px;color:var(--muted,#64748b);margin-bottom:5px}
.security-kpis strong{font-size:14px}
.security-pin-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.security-pin-grid .field input,.security-pin-grid .field select{width:100%}
@media(max-width:840px){
  .security-manager-grid{grid-template-columns:1fr}
  .security-status-card{grid-column:auto}
  .security-pin-grid,.security-kpis{grid-template-columns:1fr}
}