.cst19-shell{
  background:#0f172a;
  color:#fff;
  border-radius:24px;
  padding:24px;
  box-shadow:0 18px 48px rgba(2,6,23,.24);
}
.cst19-header h1{margin:0 0 8px;font-size:34px}
.cst19-header p{margin:0;color:#cbd5e1}
.cst19-kicker{
  display:inline-block;
  margin-bottom:10px;
  padding:6px 12px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:999px;
  font-size:12px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:#cbd5e1;
}
.cst19-nav{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 18px}
.cst19-nav-link{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 14px;border-radius:14px;text-decoration:none;
  background:rgba(255,255,255,.06);color:#fff;border:1px solid rgba(255,255,255,.1);font-weight:700
}
.cst19-nav-link.is-active,.cst19-nav-link:hover{background:#2563eb;border-color:#2563eb}
.cst19-cards,.cst19-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.cst19-card,.cst19-tile,.cst19-panel{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-radius:18px;
  padding:16px;
}
.cst19-card strong{display:block;font-size:28px;margin-bottom:6px}
.cst19-card span{color:#cbd5e1}
.cst19-panel{margin-top:16px}
.cst19-panel h2{margin-top:0}
.cst19-actions{display:flex;gap:10px;flex-wrap:wrap}
.cst19-btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 14px;border-radius:14px;text-decoration:none;font-weight:700;
  background:#2563eb;color:#fff
}
.cst19-btn-secondary{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1)}
.cst19-table{width:100%;border-collapse:collapse}
.cst19-table th,.cst19-table td{
  border-bottom:1px solid rgba(255,255,255,.08);
  padding:10px 8px;
  text-align:left;
  vertical-align:top;
}
.cst19-table code{word-break:break-all;color:#cbd5e1}
@media (max-width:1100px){
  .cst19-cards,.cst19-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:700px){
  .cst19-cards,.cst19-grid{grid-template-columns:1fr}
}