*{box-sizing:border-box}
body{margin:0;min-height:100vh;display:grid;place-items:center;background:#f4f6f8;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#111}
.card{width:min(92vw,520px);background:#fff;border:1px solid #dfe3e8;border-radius:16px;padding:28px;box-shadow:0 12px 35px rgba(0,0,0,.08)}
.card.wide{width:min(92vw,820px)}
h1{margin-top:0;font-size:28px} h2{font-size:20px}
label{display:block;margin:16px 0 6px;font-weight:650}
input{width:100%;margin-top:7px;padding:13px 14px;border:1px solid #b9c0c8;border-radius:10px;font-size:17px;outline:none}
input:focus{border-color:#111;box-shadow:0 0 0 3px rgba(0,0,0,.08)}
button,.button{display:inline-block;margin-top:18px;padding:12px 16px;border:0;border-radius:10px;background:#111;color:#fff;font-weight:700;font-size:16px;text-decoration:none;cursor:pointer}
.button.secondary{background:#e9edf1;color:#111;margin:0}
.error,.ok{padding:12px 14px;border-radius:10px;margin:14px 0}
.error{background:#ffe9e9;border:1px solid #efb0b0}
.ok{background:#e9f8ee;border:1px solid #a8d7b7}
.muted{color:#5e6873}
.secret{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;overflow-wrap:anywhere;padding:12px;background:#f3f4f6;border-radius:10px;font-size:15px}
.qr{display:grid;place-items:center;min-height:230px;margin:18px 0}
.qr img,.qr canvas{padding:8px;background:#fff}
.top{display:flex;gap:20px;align-items:flex-start;justify-content:space-between}
a{color:inherit}


/* Dashboard */
.app-body{display:block;background:#f3f5f7;min-height:100vh}
.app-shell{min-height:100vh;display:grid;grid-template-columns:260px 1fr}
.sidebar{background:#111820;color:#fff;padding:24px 18px;display:flex;flex-direction:column;gap:28px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:44px;height:44px;border-radius:12px;background:#fff;color:#111820;display:grid;place-items:center;font-weight:900}
.brand-title{font-weight:800;font-size:18px}
.brand-subtitle{font-size:13px;color:#9fa9b4;margin-top:2px}
.nav{display:grid;gap:8px}
.nav-item{display:block;padding:11px 12px;border-radius:10px;color:#c9d0d7;text-decoration:none;font-weight:650}
.nav-item:hover,.nav-item.active{background:#202a35;color:#fff}
.sidebar-user{margin-top:auto;padding:14px;border:1px solid #2a3541;border-radius:12px}
.user-name{font-weight:800;margin:3px 0}
.small{font-size:13px}
.dashboard{padding:34px;max-width:1400px;width:100%;margin:0 auto}
.dashboard-header{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:28px}
.dashboard-header h1{margin:0 0 6px}
.status-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:22px}
.stat-card,.panel{background:#fff;border:1px solid #dfe4e8;border-radius:16px;box-shadow:0 8px 24px rgba(0,0,0,.04)}
.stat-card{padding:20px}
.stat-label{font-size:13px;color:#68727d;margin-bottom:8px}
.stat-value{font-size:22px;font-weight:850}
.stat-value.good{color:#177245}
.stat-note{font-size:13px;color:#7b858f;margin-top:5px}
.panel{padding:22px;margin-bottom:22px}
.panel-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}
.panel h2{margin-top:0}
.empty-state{text-align:center;padding:42px 18px}
.empty-icon{width:56px;height:56px;margin:0 auto 14px;border-radius:16px;background:#eef2f5;display:grid;place-items:center;font-size:30px;font-weight:400;color:#5e6873}
.empty-state h3{margin:0 0 8px}
.empty-state p{max-width:620px;margin:0 auto;color:#66717d}
.security-row{display:flex;justify-content:space-between;gap:18px;padding:16px 0;border-top:1px solid #edf0f2}
.security-row:first-of-type{border-top:0}
.badge{align-self:center;background:#e8f6ee;color:#16663e;border:1px solid #bfe4cf;padding:6px 10px;border-radius:999px;font-size:13px;font-weight:800}
button[disabled]{opacity:.45;cursor:not-allowed}
@media(max-width:900px){
  .app-shell{grid-template-columns:1fr}
  .sidebar{position:static}
  .nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sidebar-user{margin-top:0}
  .dashboard{padding:20px}
  .status-grid{grid-template-columns:1fr}
}