:root{
  --bg:#0b0f14;
  --card:#121a24;
  --muted:#8aa0b5;
  --text:#e7f0ff;
  --accent:#5eead4;
  --accent2:#60a5fa;
  --border:#1f2a37;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:var(--sans);
  background:radial-gradient(1000px 500px at 20% 0%, rgba(96,165,250,0.12), transparent 60%),
             radial-gradient(900px 600px at 80% 10%, rgba(94,234,212,0.10), transparent 60%),
             var(--bg);
  color:var(--text);
}
header{
  padding:18px 16px 10px;
  border-bottom:1px solid var(--border);
  position:sticky;
  top:0;
  background:rgba(11,15,20,0.92);
  backdrop-filter: blur(10px);
  z-index:10;
}
.brand{display:flex; gap:12px; align-items:center; margin-bottom:12px;}
.logo{
  width:44px;height:44px;border-radius:12px;
  background:linear-gradient(135deg, rgba(96,165,250,0.9), rgba(94,234,212,0.9));
  display:flex; align-items:center; justify-content:center;
  font-weight:800; letter-spacing:1px;
  color:#071018;
}
.title{font-size:18px; font-weight:800;}
.subtitle{font-size:12px; color:var(--muted);}
.bar{display:flex; gap:10px; flex-wrap:wrap; align-items:flex-end;}
.field{display:flex; flex-direction:column; gap:6px; min-width:220px;}
.field span{font-size:12px; color:var(--muted);}
input, select{
  height:40px;
  border-radius:10px;
  border:1px solid var(--border);
  background:#0f1620;
  color:var(--text);
  padding:0 12px;
  outline:none;
}
input:focus, select:focus{border-color:rgba(94,234,212,0.6); box-shadow:0 0 0 3px rgba(94,234,212,0.12);}
main{max-width:1000px; margin:0 auto; padding:16px; display:flex; flex-direction:column; gap:14px;}
.card{
  background:linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  border:1px solid var(--border);
  border-radius:14px;
  padding:14px;
}
h2{margin:0 0 10px; font-size:14px; letter-spacing:0.3px;}
.grid2{display:grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap:10px;}
@media (max-width:720px){ .grid2{grid-template-columns:1fr;} .field{min-width:100%;} .uploader{grid-template-columns:1fr;} }
.btn{
  height:40px;
  padding:0 12px;
  border-radius:10px;
  border:1px solid rgba(94,234,212,0.35);
  background:rgba(94,234,212,0.12);
  color:var(--text);
  font-weight:700;
  cursor:pointer;
}
.btn:hover{border-color:rgba(94,234,212,0.75);}
.btn:disabled{opacity:0.45; cursor:not-allowed;}
.btn-ghost{border:1px solid rgba(96,165,250,0.35); background:rgba(96,165,250,0.10);}
.hint{margin:10px 0 0; color:var(--muted); font-size:12px;}
code{font-family:var(--mono); font-size:12px; color:#dbeafe;}
.out{
  margin:0;
  padding:12px;
  border-radius:12px;
  border:1px solid var(--border);
  background:#0a1017;
  font-family:var(--mono);
  font-size:12px;
  overflow:auto;
  max-height:340px;
  white-space:pre-wrap;
}
.row{display:flex; gap:10px; margin-bottom:8px; flex-wrap:wrap;}
.uploader{display:grid; gap:10px; grid-template-columns: 1.3fr 1fr; align-items:end;}
.actions{display:flex; gap:10px; flex-wrap:wrap;}
footer{padding:14px 16px; color:var(--muted); font-size:12px; text-align:center;}