:root{
  --bg:#0f1720;
  --panel:#151f2b;
  --panel-2:#1b2735;
  --border:#2a3a4a;
  --text:#e8edf3;
  --muted:#93a3b3;
  --accent:#3fb6a8;
  --accent-2:#5b8def;
  --good:#4caf7d;
  --warn:#e0a83e;
  --bad:#e0616f;
  --radius:12px;
  color-scheme: dark;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:linear-gradient(180deg,#0c131a,#0f1720 40%);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
  min-height:100vh;
}
a{color:var(--accent-2);}
.wrap{max-width:1080px;margin:0 auto;padding:32px 24px 80px;}
header.top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:.2px;}
.brand .dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-2));}
.brand a{color:var(--text);text-decoration:none;}
.back{color:var(--muted);text-decoration:none;font-size:14px;}
.back:hover{color:var(--text);}

h1{font-size:28px;margin:0 0 6px;}
h2{font-size:18px;margin:0 0 10px;}
p.lead{color:var(--muted);margin:0 0 32px;font-size:15px;max-width:640px;}

.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
@media (max-width:820px){.grid{grid-template-columns:1fr;}}

.card{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;
}
.card.link{
  text-decoration:none;color:var(--text);
  display:flex;flex-direction:column;gap:10px;
  transition:transform .15s ease, border-color .15s ease, background .15s ease;
}
.card.link:hover{transform:translateY(-2px);border-color:var(--accent);background:var(--panel-2);}
.card .tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;color:var(--accent);
  background:rgba(63,182,168,.12);
  border:1px solid rgba(63,182,168,.3);
  padding:3px 9px;border-radius:999px;width:fit-content;
}
.card p{color:var(--muted);font-size:14px;margin:0;line-height:1.5;}
.card .cta{font-size:13px;color:var(--accent-2);margin-top:auto;font-weight:600;}

.steps{display:flex;flex-direction:column;gap:16px;margin:24px 0;}
.step{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:18px 20px;
}
.step .stepnum{
  display:inline-flex;align-items:center;justify-content:center;
  width:22px;height:22px;border-radius:50%;
  background:var(--accent);color:#06110f;font-size:12px;font-weight:700;
  margin-right:8px;
}
.step h3{display:inline;font-size:15px;margin:0;vertical-align:middle;}
.step .hint{color:var(--muted);font-size:13px;margin:8px 0 0 30px;}
.step.done{border-color:var(--good);}
.step.active{border-color:var(--accent-2);}

.dropzone{
  margin:12px 0 0 30px;
  border:1.5px dashed var(--border);
  border-radius:10px;
  padding:22px;
  text-align:center;
  color:var(--muted);
  font-size:13.5px;
  cursor:pointer;
  transition:border-color .15s, background .15s;
  background:rgba(255,255,255,.01);
}
.dropzone:hover, .dropzone.drag{border-color:var(--accent-2);background:rgba(91,141,239,.06);color:var(--text);}
.dropzone input{display:none;}
.dropzone .filename{color:var(--good);font-weight:600;margin-top:6px;word-break:break-all;}
.dropzone.optional{opacity:.85;}

.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:8px 0 0 30px;}
select, button, input[type=text]{
  font-family:inherit;font-size:13.5px;
  background:var(--panel-2);color:var(--text);
  border:1px solid var(--border);border-radius:8px;
  padding:8px 12px;
}
select{min-width:160px;}
button{cursor:pointer;font-weight:600;}
button.primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#06110f;border:none;padding:10px 18px;font-size:14px;}
button.primary:disabled{opacity:.4;cursor:not-allowed;}
button.ghost{background:transparent;border:1px solid var(--border);color:var(--text);}
button.small{padding:5px 10px;font-size:12.5px;}
button:hover:not(:disabled){filter:brightness(1.08);}

table{border-collapse:collapse;width:100%;font-size:12.5px;margin-top:10px;}
table th, table td{border:1px solid var(--border);padding:6px 8px;text-align:left;white-space:nowrap;}
table th{background:var(--panel-2);position:sticky;top:0;}
.tablewrap{max-height:360px;overflow:auto;border:1px solid var(--border);border-radius:8px;margin:10px 0 0 30px;}

.badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;padding:4px 10px;border-radius:999px;}
.badge.pass{background:rgba(76,175,125,.15);color:var(--good);border:1px solid rgba(76,175,125,.4);}
.badge.warn{background:rgba(224,168,62,.15);color:var(--warn);border:1px solid rgba(224,168,62,.4);}
.badge.fail{background:rgba(224,97,111,.15);color:var(--bad);border:1px solid rgba(224,97,111,.4);}

.validation{margin:24px 0 0 30px;display:flex;flex-direction:column;gap:8px;}
.vrow{display:flex;align-items:center;gap:10px;font-size:13.5px;padding:8px 12px;background:var(--panel-2);border-radius:8px;border:1px solid var(--border);}
.vrow .label{flex:1;color:var(--text);}
.vrow .detail{color:var(--muted);font-size:12.5px;}

.downloads{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0 0 30px;}

.footer-note{color:var(--muted);font-size:12px;margin-top:40px;text-align:center;}
.small-muted{color:var(--muted);font-size:12.5px;}
.mapping-row{display:flex;gap:10px;align-items:center;margin:6px 0 0 30px;font-size:13px;flex-wrap:wrap;}
.mapping-row label{width:150px;color:var(--muted);}
.spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.25);border-top-color:var(--accent-2);border-radius:50%;animation:spin .7s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}