:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#202223;background:#f6f6f7}
*{box-sizing:border-box}
body{margin:0;padding:24px}
.wrap{max-width:760px;margin:0 auto}
.card{background:white;border:1px solid #e1e3e5;border-radius:12px;padding:20px;margin-bottom:16px;box-shadow:0 1px 0 rgba(0,0,0,.03)}
h1{font-size:24px;margin:0 0 4px}
.sub{color:#6d7175;margin:0 0 20px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.full{grid-column:1/-1}
label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
input[type=email],input[type=number],select{width:100%;padding:10px 12px;border:1px solid #8c9196;border-radius:8px;font:inherit;background:#fff}
.duration-control{display:grid;grid-template-columns:minmax(0,1fr) 118px;gap:8px}
.check{display:flex;gap:9px;align-items:flex-start}
.check>div{min-width:0}
.check label{font-weight:500;margin:0}
.check .status{margin-top:3px}
.actions{display:flex;gap:10px;align-items:center;margin-top:18px;flex-wrap:wrap}
button{background:#303030;color:#fff;border:0;border-radius:8px;padding:10px 14px;font:600 14px inherit;cursor:pointer}
button.secondary{background:#fff;color:#303030;border:1px solid #8c9196}
button:disabled{opacity:.55;cursor:wait}
.status{font-size:13px;color:#6d7175}
.plan-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0 16px;margin-bottom:16px;border-bottom:1px solid #e1e3e5}
.plan-label{font-size:13px;font-weight:600;margin-bottom:3px}
.billing-gate{padding:18px;border:1px solid #d8dee4;border-radius:10px;background:#fafbfb}
.billing-gate p{margin:6px 0 14px;color:#6d7175;line-height:1.45}
.privacy{font-size:13px;color:#6d7175;line-height:1.5}
.error{background:#fee4e2;color:#8e1f0b;border-radius:8px;padding:10px 12px;margin-top:12px;display:none;white-space:pre-wrap;overflow-wrap:anywhere}
@media(max-width:600px){body{padding:12px}.grid{grid-template-columns:1fr}.full{grid-column:auto}.plan-row{align-items:flex-start}.duration-control{grid-template-columns:minmax(0,1fr) 110px}}