:root{
  --bg:#0f0b09; --panel:#1c1612; --panel-2:#251d18; --text:#faf7f4; --muted:#b8aca4;
  --accent:#36e1c3; --accent-2:#8bd3ff; --ring:#3a2f27; --line:#31261f;
  --ok:#22c55e; --warn:#f59e0b; --danger:#ef4444;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial,sans-serif;background:linear-gradient(180deg,#0c0907,#18120f 35%,#0c0907);color:var(--text)}
.wrap{max-width:1200px;margin:32px auto;padding:0 16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:0 20px 40px rgba(0,0,0,.35)}
.site-header{display:flex;align-items:center;gap:14px;margin:0 0 14px}
.logo{width:56px;height:56px;border-radius:8px;border:1px solid #4a3b33;object-fit:cover;background:#18120f}
h1{font-size:26px;margin:0}
.lead{margin:6px 0 0;color:var(--muted)}
.grid{display:grid;gap:16px}
@media(min-width:980px){.grid{grid-template-columns:1.1fr .9fr}}
.block{border:1px solid var(--line);border-radius:14px;padding:16px;margin:0;background:var(--panel-2)}
legend{padding:0 8px;color:#e9ded7}
.row{display:grid;grid-template-columns:1fr 190px;gap:10px;align-items:center}
label{font-size:14px;color:#e8ded6}
input[type="number"],select{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--ring);background:#120e0c;color:var(--text);outline:none}
input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #36e1c322}
.hr{height:1px;background:var(--line);margin:14px 0}
.pill{display:inline-block;padding:6px 10px;border-radius:999px;background:#0e1418;border:1px solid #26323a;color:#cfe5f3;font-size:12px}
.toggle{display:flex;align-items:center;gap:10px;margin-top:10px}
.note{font-size:12px;color:var(--muted)}
.section-title{margin:16px 0 8px;font-weight:800}
.results{display:grid;gap:12px}
.kpi{background:#110d0b;border:1px solid var(--line);border-radius:14px;padding:14px}
.kpi h3{margin:0 0 4px;font-size:14px;color:#e9ded7}
.v{font-size:22px;font-weight:800}
.muted{color:var(--muted)}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:10px}
.btn{appearance:none;border:none;border-radius:12px;padding:12px 16px;font-weight:700;cursor:pointer}
.btn-primary{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#0b0c0e}
.btn-ghost{background:transparent;border:1px solid var(--line);color:#f2e9e4}
.usp{margin-top:8px}
.usp h3{margin:10px 0 6px}
.usp ul{margin:0 0 6px 18px}
.gap-pos{color:var(--danger)} .gap-ok{color:var(--ok)}
footer{margin-top:12px;color:var(--muted);font-size:12px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media print{
  body{background:#fff;color:#111}
  .card{box-shadow:none;border:none}
  .btn,.toggle,details summary,.cta{display:none !important}
  a[href]:after{content:""}
  .wrap{margin:0;padding:0}
}
@media(max-width:560px){
  .row{grid-template-columns:1fr}
  .logo{width:48px;height:48px}
  h1{font-size:22px}
}