:root{
  --bg:#f5f7fb; --card:#fff; --text:#101828; --muted:#667085;
  --primary:#2563eb; --primary2:#3b82f6; --success:#16a34a;
  --danger:#ef4444; --border:#e4e7ec; --dark:#111827;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;
     background:linear-gradient(180deg,#f9fafb,#eef3f8);color:var(--text);min-height:100vh}
.shell{max-width:1080px;margin:auto;padding:26px}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.brand{font-size:30px;font-weight:850;letter-spacing:-1px}.brand b{color:var(--primary)}
.pill{display:inline-flex;gap:8px;align-items:center;padding:8px 12px;border:1px solid var(--border);
      background:#fff;border-radius:999px;color:var(--muted);font-size:13px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.card{background:rgba(255,255,255,.94);border:1px solid var(--border);border-radius:22px;
      padding:20px;box-shadow:0 10px 35px rgba(15,23,42,.06)}
h1,h2,h3,p{margin-top:0}.muted{color:var(--muted)}
.btn{border:0;border-radius:14px;padding:14px 16px;font-size:15px;font-weight:750;cursor:pointer;
     transition:.15s;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none}
.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--primary);color:#fff}
.btn-green{background:var(--success);color:#fff}.btn-danger{background:var(--danger);color:#fff}
.btn-light{background:#fff;color:var(--text);border:1px solid var(--border)}
.btn-dark{background:var(--dark);color:#fff}.btn-block{width:100%}
.actions{display:flex;gap:10px;flex-wrap:wrap}.stack{display:grid;gap:10px}
.video-wrap{position:relative;background:#0b1220;border-radius:22px;overflow:hidden;aspect-ratio:9/13;
            max-height:66vh;min-height:360px}
video{width:100%;height:100%;object-fit:cover;background:#0b1220}
.local-video{position:absolute;width:28%;height:23%;right:14px;bottom:14px;border-radius:14px;
             border:2px solid rgba(255,255,255,.9);box-shadow:0 8px 20px rgba(0,0,0,.25)}
.status{padding:11px 13px;border-radius:12px;background:#eef4ff;color:#1849a9;font-size:14px}
.status.good{background:#ecfdf3;color:#027a48}.status.bad{background:#fef3f2;color:#b42318}
.hidden{display:none!important}.center{text-align:center}
.qr{width:min(280px,80vw);border-radius:18px;border:1px solid var(--border);padding:14px;background:#fff}
.resident-list{display:grid;gap:10px}.resident-link{display:flex;justify-content:space-between;align-items:center;
            padding:14px;border-radius:14px;border:1px solid var(--border);text-decoration:none;color:var(--text)}
.dot{width:9px;height:9px;border-radius:50%;background:#22c55e;display:inline-block;margin-right:6px}
.callbar{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:14px}
.callbar .btn{min-width:120px}.badge{font-size:12px;background:#eef2ff;color:#3730a3;padding:5px 9px;border-radius:999px}
.remote-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.remote-card{position:relative;background:#0b1220;border-radius:18px;overflow:hidden;min-height:240px}
.remote-card video{height:100%;min-height:240px}.remote-name{position:absolute;left:10px;bottom:10px;
  background:rgba(0,0,0,.55);color:#fff;padding:6px 9px;border-radius:9px;font-size:12px}
.hero{padding:32px 0}.hero h1{font-size:clamp(32px,5vw,62px);letter-spacing:-2px;margin-bottom:12px}
.hero p{font-size:18px;max-width:680px}.tiny{font-size:12px;color:var(--muted)}
@media(max-width:650px){.shell{padding:16px}.topbar{margin-bottom:14px}.brand{font-size:25px}.card{padding:16px}}