:root{
  --bg:#f6f8fb;
  --card:#ffffff;
  --text:#1c2430;
  --muted:#5a6777;
  --line:#d9e0ea;
  --brand:#0c4da2;
  --accent:#f3f7ff;
  --warn:#fff8e8;
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:linear-gradient(180deg,#f5f8fd 0%, #eef3f7 100%);color:var(--text)}
.container{width:min(1100px,94vw);margin:24px auto 40px}
.hero{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:18px}
.brand{display:flex;gap:16px;align-items:center}
.logo{width:84px;height:auto;border-radius:14px;box-shadow:0 8px 24px rgba(0,0,0,.10);background:#fff;padding:6px}
h1{margin:0 0 6px;font-size:2rem}
.subtitle{margin:0;color:var(--muted)}
.badge{background:var(--accent);border:1px solid #cfe0ff;color:var(--brand);padding:10px 14px;border-radius:999px;font-weight:700;white-space:nowrap}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:0 8px 26px rgba(15,35,60,.06);margin-bottom:18px}
h2,h3{margin-top:0}
.form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
label span{display:block;font-size:.95rem;font-weight:700;margin-bottom:8px}
input{width:100%;padding:12px 14px;border:1px solid #cfd6e3;border-radius:12px;font-size:1rem}
.actions{display:flex;align-items:end;gap:10px}
button{appearance:none;border:0;border-radius:12px;padding:13px 18px;font-size:1rem;font-weight:700;cursor:pointer;background:var(--brand);color:#fff}
button.secondary{background:#edf2fb;color:var(--brand);border:1px solid #d5e0f4}
.hidden{display:none}
.result-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
.kpis{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:14px}
.kpi{background:#f9fbfe;border:1px solid #e2e9f4;border-radius:14px;padding:14px}
.kpi .label{font-size:.86rem;color:var(--muted);display:block}
.kpi .value{display:block;font-size:1.1rem;font-weight:700;margin-top:4px}
.highlight{display:inline-block;padding:7px 10px;border-radius:999px;background:#eaf8ef;color:#157241;font-weight:700;font-size:.9rem;margin-bottom:12px}
.model{font-size:1.55rem;font-weight:800;margin:0 0 4px}
.desc{color:var(--muted);margin:0 0 10px}
.panel-box{background:var(--warn);border:1px solid #f0dfaa;border-radius:16px;padding:16px}
.connection{font-family:Consolas,monospace;background:#fff;border:1px dashed #d3c27e;border-radius:12px;padding:10px 12px;margin-top:10px}
.alt-list{display:grid;gap:12px}
.alt-item{border:1px solid #dfe6ef;border-radius:14px;padding:14px}
.alt-item strong{color:var(--brand)}
.footer{text-align:center;color:var(--muted);margin-top:10px}
.small{color:var(--muted);font-size:.92rem}
@media (max-width:840px){
  .hero,.brand{flex-direction:column;align-items:flex-start}
  .form-grid,.result-grid{grid-template-columns:1fr}
  .actions{align-items:stretch;flex-direction:column}
  button{width:100%}
}


.action-bar{
  display:flex;
  gap:12px;
  justify-content:flex-end;
}
@media (max-width:840px){
  .action-bar{flex-direction:column}
}
@media print{
  body{background:#fff}
  .hero .badge,
  .card:first-of-type,
  .action-bar,
  .footer{
    display:none !important;
  }
  .container{
    width:100%;
    margin:0;
  }
  .card{
    box-shadow:none;
    border:1px solid #ccc;
    break-inside:avoid;
  }
}