.cst18-shell{
  background:
    radial-gradient(circle at top left, rgba(37,99,235,.18), transparent 35%),
    linear-gradient(180deg,#07101f 0%,#0b1220 40%,#0f172a 100%);
  color:#fff;
  padding:28px;
  border-radius:28px;
  box-shadow:0 20px 60px rgba(2,6,23,.28);
}
.cst18-hero{
  display:grid;
  grid-template-columns:1.25fr .75fr;
  gap:22px;
  align-items:stretch;
}
.cst18-hero.slim{grid-template-columns:1fr}
.cst18-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;
}
.cst18-hero-copy h1{
  margin:0 0 12px;
  font-size:40px;
  line-height:1.08;
  font-weight:800;
}
.cst18-hero-copy p{
  margin:0 0 18px;
  color:#cbd5e1;
  font-size:16px;
  max-width:860px;
}
.cst18-actions{display:flex;gap:10px;flex-wrap:wrap}
.cst18-btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 18px;border-radius:14px;text-decoration:none;font-weight:700
}
.cst18-btn-primary{background:#2563eb;color:#fff;box-shadow:0 12px 28px rgba(37,99,235,.3)}
.cst18-btn-secondary{background:rgba(255,255,255,.06);color:#fff;border:1px solid rgba(255,255,255,.12)}
.cst18-stat-wrap{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
}
.cst18-stat,.cst18-card,.cst18-runtime{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-radius:24px;
  backdrop-filter:blur(10px);
}
.cst18-stat{padding:18px;display:flex;flex-direction:column;justify-content:center}
.cst18-stat strong{font-size:28px;line-height:1;margin-bottom:6px}
.cst18-stat span{color:#cbd5e1;font-size:13px}
.cst18-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  margin-top:22px;
}
.cst18-card{padding:18px}
.cst18-card h2{margin:0 0 10px;font-size:20px}
.cst18-card p,.cst18-card li{color:#cbd5e1}
.cst18-card ul{margin:0;padding-left:18px}
.cst18-runtime{margin-top:22px;overflow:hidden}
.cst18-runtime-head{padding:18px 20px;border-bottom:1px solid rgba(255,255,255,.08)}
.cst18-runtime-head h2{margin:0 0 6px;font-size:24px}
.cst18-runtime-head p{margin:0;color:#cbd5e1}
.cst18-runtime-body{padding:20px}
.cst18-runtime-body .cst17-dashboard,
.cst18-runtime-body .cst15-dashboard{background:transparent !important;padding:0 !important;border-radius:0 !important}
.cst18-runtime-body .cst17-panel,
.cst18-runtime-body .cst15-panel{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-radius:18px;
  padding:16px;
  margin-bottom:16px;
}
.cst18-runtime-body input,
.cst18-runtime-body textarea,
.cst18-runtime-body select{
  width:100%;
  max-width:100%;
  background:#111827;
  color:#fff;
  border:1px solid rgba(255,255,255,.18);
  border-radius:14px;
  padding:10px 12px;
  margin-bottom:10px;
  box-sizing:border-box;
}
.cst18-runtime-body button{
  background:#2563eb;
  color:#fff;
  border:0;
  border-radius:14px;
  padding:10px 14px;
  font-weight:700;
  cursor:pointer;
}
.cst18-runtime-body table{
  width:100%;
  border-collapse:collapse;
  margin-top:12px;
}
.cst18-runtime-body th,.cst18-runtime-body td{
  border-bottom:1px solid rgba(255,255,255,.08);
  padding:10px 8px;
  text-align:left;
  vertical-align:top;
}
.cst18-runtime-body code{
  word-break:break-all;
  color:#cbd5e1;
}
.cst18-missing{
  padding:20px;
  border-radius:18px;
  background:rgba(239,68,68,.12);
  border:1px solid rgba(239,68,68,.28);
}
@media (max-width:1100px){
  .cst18-hero{grid-template-columns:1fr}
  .cst18-grid{grid-template-columns:1fr}
}