:root{
  --bg:#0b0f14;
  --panel:#101826;
  --panel2:#0f1520;
  --text:#e8eefc;
  --muted:#9fb0d0;
  --accent:#4bb3ff;
  --border:rgba(255,255,255,.08);
  --shadow: 0 20px 60px rgba(0,0,0,.45);
  --radius:18px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--sans);
  background: radial-gradient(1200px 700px at 20% -10%, rgba(75,179,255,.18), transparent 60%),
              radial-gradient(900px 600px at 80% 10%, rgba(140,92,255,.14), transparent 55%),
              linear-gradient(180deg, #06080b 0%, var(--bg) 100%);
  color:var(--text);
}
.container{max-width:1160px; margin:0 auto; padding:28px 18px 60px}
.topbar{
  display:flex; align-items:center; justify-content:space-between;
  gap:14px; padding:18px 20px;
  background: linear-gradient(180deg, rgba(16,24,38,.92), rgba(12,18,28,.72));
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  backdrop-filter: blur(10px);
}
.brand{display:flex; gap:12px; align-items:center}
.logo{
  width:44px; height:44px; border-radius:14px;
  background: linear-gradient(135deg, rgba(75,179,255,.9), rgba(140,92,255,.75));
  display:grid; place-items:center; font-weight:800;
  box-shadow: 0 12px 30px rgba(75,179,255,.18);
}
.brand h1{font-size:18px; margin:0; letter-spacing:.3px}
.brand p{margin:2px 0 0; color:var(--muted); font-size:13px}
.badge{
  font-family:var(--mono);
  font-size:12px;
  padding:8px 10px;
  border:1px solid var(--border);
  border-radius:999px;
  color:var(--muted);
  background: rgba(10,16,24,.6);
}
.grid{margin-top:18px; display:grid; grid-template-columns: 1.1fr .9fr; gap:16px}
.card{
  background: linear-gradient(180deg, rgba(16,24,38,.92), rgba(12,18,28,.72));
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  backdrop-filter: blur(10px);
}
.card .hd{padding:16px 18px; border-bottom:1px solid var(--border); display:flex; align-items:center; justify-content:space-between; gap:10px}
.card .hd h2{margin:0; font-size:14px; letter-spacing:.2px}
.card .hd span{color:var(--muted); font-size:12px}
.card .bd{padding:16px 18px}
.row{display:flex; gap:10px; flex-wrap:wrap}
.field{flex:1; min-width:220px}
label{display:block; font-size:12px; color:var(--muted); margin-bottom:6px}
input,select{
  width:100%;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid var(--border);
  background: rgba(7,10,14,.65);
  color:var(--text);
  outline:none;
}
input:focus,select:focus{border-color: rgba(75,179,255,.45); box-shadow: 0 0 0 4px rgba(75,179,255,.12)}
.btn{
  padding:12px 14px;
  border-radius:14px;
  border:1px solid rgba(75,179,255,.4);
  background: linear-gradient(135deg, rgba(75,179,255,.9), rgba(140,92,255,.78));
  color:#041019;
  font-weight:700;
  cursor:pointer;
}
.btn.secondary{background: rgba(7,10,14,.65); color:var(--text); border:1px solid var(--border); font-weight:600}
.preset{display:grid; grid-template-columns: 1fr 1fr; gap:10px}
.pill{padding:12px 12px; border-radius:14px; border:1px solid var(--border); background: rgba(7,10,14,.45); cursor:pointer}
.pill:hover{border-color: rgba(75,179,255,.35)}
.pill b{display:block; font-size:13px}
.pill small{color:var(--muted)}
pre{margin:0; padding:16px; overflow:auto; font-family:var(--mono); font-size:12px; line-height:1.45; color:#d7e6ff; background: rgba(6,8,12,.7); border-radius: 14px; border:1px solid var(--border)}
.notice{color:var(--muted); font-size:12px; line-height:1.5}
@media (max-width: 920px){.grid{grid-template-columns:1fr}.preset{grid-template-columns:1fr}}