:root{
  --ink:#060A12; --surface:#0C121D; --surface-2:#111927; --track:#1C2639;
  --line:#1B2436; --line-strong:#2A3650; --text:#E4EAF2; --muted:#67758F;
  --green:#22C55E; --cyan:#38BDF8; --purple:#A78BFA; --amber:#FBBF24; --red:#EF4444;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --mono:ui-monospace,'SF Mono','JetBrains Mono',Menlo,monospace;
}
*{box-sizing:border-box}
body{margin:0;background:var(--ink);color:var(--text);font:15px/1.55 var(--sans);
  min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px 16px}
.shell{width:100%;max-width:940px;display:grid;grid-template-columns:1fr 1fr;
  background:var(--surface-2);border:1px solid var(--line);border-radius:18px;overflow:hidden}
@media (max-width:800px){.shell{grid-template-columns:1fr;max-width:440px}.pitch{display:none}}

.pitch{padding:38px 34px;background:
  radial-gradient(120% 90% at 0% 0%, rgba(167,139,250,.16), transparent 60%),
  radial-gradient(120% 90% at 100% 100%, rgba(34,197,94,.12), transparent 55%),
  var(--surface);border-right:1px solid var(--line);display:flex;flex-direction:column}
.brand{display:flex;align-items:center;gap:9px;font:700 20px var(--sans);letter-spacing:-.02em}
.brand-dot{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,#22C55E,#38BDF8);
  display:flex;align-items:center;justify-content:center}
.pitch h2{font-size:25px;line-height:1.3;margin:30px 0 12px;font-weight:650;letter-spacing:-.02em}
.pitch p{color:var(--muted);font-size:14px;line-height:1.6;margin:0 0 26px}
.plist{list-style:none;margin:0;padding:0}
.plist li{display:flex;gap:11px;align-items:flex-start;margin-bottom:15px;font-size:13.5px;line-height:1.5}
.plist .ic{flex:0 0 22px;height:22px;border-radius:50%;background:rgba(34,197,94,.14);
  display:flex;align-items:center;justify-content:center}
.pitch .foot{margin-top:auto;padding-top:24px;font:11px var(--mono);color:var(--muted)}

.form{padding:38px 34px;position:relative}
.formTheme{position:absolute;top:16px;right:16px}
.form h1{font-size:23px;margin:0 0 6px;font-weight:650;letter-spacing:-.02em}
.form .sub{color:var(--muted);font-size:13.5px;margin:0 0 24px}
.field{margin-bottom:16px}
.field label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:6px}
.field input{width:100%;background:var(--ink);border:1px solid var(--line);color:var(--text);
  padding:12px 13px;border-radius:9px;font-size:15px;font-family:inherit;transition:border-color .15s}
.field input:focus{outline:none;border-color:var(--purple);box-shadow:0 0 0 3px rgba(167,139,250,.14)}
.field .note{font-size:12px;margin-top:6px;min-height:15px;color:var(--muted)}
.field.is-bad input{border-color:var(--red)} .field.is-bad .note{color:var(--red)}
.field.is-warn input{border-color:var(--amber)} .field.is-warn .note{color:var(--amber)}
.field.is-good input{border-color:rgba(34,197,94,.55)}
.suggest{background:none;border:0;color:var(--amber);font:inherit;font-size:12px;
  cursor:pointer;text-decoration:underline;padding:0}

.meter{display:flex;align-items:center;gap:9px;margin-top:8px}
.meter .bar{flex:1;height:5px;background:var(--track);border-radius:3px;overflow:hidden}
.meter i{display:block;height:100%;width:0;border-radius:3px;background:var(--red);transition:width .25s,background .25s}
.meter span{font:11px var(--mono);color:var(--muted);flex:0 0 62px;text-align:right}
.meter.s2 i{background:var(--amber)} .meter.s3 i{background:var(--cyan)} .meter.s4 i{background:var(--green)}

.btn{width:100%;background:#6D28D9;color:#fff;border:0;padding:13px;border-radius:10px;
  font:650 15px var(--sans);cursor:pointer;margin-top:6px}
.btn:hover{background:#7C3AED}
.btn:disabled{opacity:.5;cursor:not-allowed}
.alt{text-align:center;font-size:13.5px;color:var(--muted);margin-top:20px}
.alt a{color:var(--cyan);text-decoration:none} .alt a:hover{text-decoration:underline}
.linkrow{display:flex;justify-content:flex-end;margin-top:-8px}
.linkrow a{color:var(--muted);font-size:12.5px;text-decoration:none}
.linkrow a:hover{color:var(--cyan)}

.banner{padding:11px 13px;border-radius:9px;font-size:13px;margin-bottom:18px;line-height:1.5}
.banner-err{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);color:#FCA5A5}
.banner-ok{background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.3);color:#86EFAC}
.banner-info{background:rgba(56,189,248,.09);border:1px solid rgba(56,189,248,.28);color:#7DD3FC}
.hidden{display:none}
.refbadge{display:flex;align-items:center;gap:9px;background:rgba(34,197,94,.09);
  border:1px solid rgba(34,197,94,.28);border-radius:9px;padding:10px 12px;
  font-size:12.5px;margin-bottom:18px;color:#86EFAC}