:root{
  --bg:#0b1020; --card:#0f172a; --ink:#e5e7eb; --muted:#a1a1aa;
  --border:#20283a; --accent:#61a6ff; --ok:#22c55e; --bad:#ef4444;
  --shadow:0 10px 35px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; background:linear-gradient(180deg,#0b1020 0%,#111827 100%);
  color:var(--ink); font-family:ui-sans-serif,system-ui,Segoe UI,Roboto,Arial;
}

.page{max-width:1024px;margin:auto;padding:24px}

.hero h1{margin:6px 0 2px 0;font-weight:800;letter-spacing:.2px}
.muted{color:var(--muted)}

.card{
  background:var(--card); border:1px solid var(--border);
  border-radius:18px; padding:18px; margin:14px 0; box-shadow:var(--shadow)
}

.form-card{
  position:sticky; top:12px; z-index:5; backdrop-filter:blur(4px);
}

.grid{
  display:grid; gap:12px; grid-template-columns:1fr 1fr auto; align-items:end;
}
.field label{display:block;font-size:13px;color:var(--muted);margin:0 0 6px}
.field input{
  width:100%; padding:12px 14px; border-radius:12px; border:1px solid var(--border);
  background:#0a1222; color:var(--ink); outline:none; transition:border-color .2s ease
}
.field input:focus{border-color:var(--accent)}

.actions{display:flex; align-items:end}
.btn{
  padding:12px 18px; border-radius:12px; border:none; cursor:pointer;
  background:linear-gradient(135deg,#61a6ff,#80ffd3); color:#0a1222;
  font-weight:700; letter-spacing:.2px; box-shadow:0 6px 18px rgba(97,166,255,.3)
}
.btn:hover{filter:brightness(1.05)}

.hint{margin-top:6px;color:var(--muted);font-size:13px}

.pill{
  display:inline-block; padding:10px 12px; border-radius:999px;
  background:#0a1222; border:1px solid var(--border)
}

.plot{max-width:100%; border-radius:12px; display:block; margin:auto}

.table-wrap{overflow:auto; border-radius:12px; border:1px solid var(--border)}
.table{width:100%; border-collapse:collapse; min-width:680px}
.table thead{background:#0a1222}
.table th, .table td{padding:10px 12px; border-bottom:1px solid var(--border); text-align:left; font-size:14px}
.table td.ok{color:var(--ok); font-weight:600}
.table td.bad{color:var(--bad); font-weight:600}

.foot{margin-top:16px; text-align:center; font-size:12px}

@media (max-width:840px){
  .grid{grid-template-columns:1fr}
  .actions .btn{width:100%}
}