:root{color-scheme:dark;--bg:#0a0f18;--panel:#111a27;--line:#273448;--text:#f2f6fc;--muted:#aab8cb;--accent:#7af0cf;--ink:#06251c}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 80% 0,#14332e55,transparent 45%),var(--bg);color:var(--text);font:16px/1.5 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button,input,select{font:inherit}button,a.button{min-height:48px;padding:12px 18px;border:1px solid var(--line);border-radius:12px;cursor:pointer;background:#1a2636;color:var(--text);font-weight:650;text-align:center;text-decoration:none}button:disabled{opacity:.55;cursor:wait}button.primary,a.primary{background:var(--accent);border-color:var(--accent);color:var(--ink)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #7af0cf;outline-offset:3px}.header,.container{max-width:1060px;margin:auto;padding:24px}.header{display:flex;justify-content:space-between;align-items:center;gap:20px}.brand{font-size:20px;font-weight:800;color:var(--text)}.header small{color:var(--muted)}h1{font-size:clamp(28px,4vw,42px);line-height:1.15;letter-spacing:-.035em;margin:16px 0}h2{font-size:21px;margin:0 0 16px}p{margin:12px 0}.intro{max-width:650px;color:var(--muted)}.steps{display:flex;gap:8px;list-style:none;padding:0;margin:24px 0 32px;color:var(--muted);font-size:14px}.steps li{display:flex;align-items:center;gap:8px;flex:1}.steps li::before{content:attr(data-number);display:grid;place-items:center;width:26px;height:26px;flex-shrink:0;border:1px solid var(--line);border-radius:50%}.steps li.active{color:var(--accent)}.steps li.active::before{border-color:var(--accent)}.grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:24px;align-items:start}.panel{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:24px;min-width:0}.plans{display:grid;gap:10px}.plan{display:flex;gap:14px;align-items:center;padding:16px;border:1px solid var(--line);border-radius:12px;cursor:pointer}.plan:has(input:checked){border-color:var(--accent);background:#7af0cf0a}.plan input{accent-color:var(--accent);width:18px;height:18px;margin:0;flex-shrink:0}.plan .name{font-weight:700}.plan .detail{display:block;color:var(--muted);font-size:13px}.plan .price{margin-left:auto;font-weight:800;white-space:nowrap}.tag{font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--accent);display:inline-block;margin-left:8px}.field-label{display:block;font-weight:600;margin:24px 0 8px}input[type=email],input[type=text]{display:block;width:100%;background:#09121e;border:1px solid var(--line);border-radius:10px;padding:13px;color:var(--text)}.methods{display:flex;gap:8px;margin:8px 0 20px}.method{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:12px;border:1px solid var(--line);border-radius:10px;cursor:pointer}.method:has(input:checked){border-color:var(--accent)}.method input{accent-color:var(--accent)}.full{display:block;width:100%}.subtle{color:var(--muted);font-size:13px}.summary{display:flex;justify-content:space-between;gap:16px;padding-bottom:16px;margin-bottom:16px;border-bottom:1px solid var(--line)}.summary strong{font-size:21px}.address-box{margin:20px 0;padding:16px;border:1px solid var(--line);border-radius:12px;background:#09121e}.address-box .label{font-size:12px;font-weight:700;letter-spacing:.045em;text-transform:uppercase;color:var(--muted)}code,.address{display:block;font:14px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;overflow-wrap:anywhere;word-break:break-word;margin:8px 0 12px;color:var(--text)}.copy{min-height:40px;padding:8px 12px;font-size:13px}.amount{font-size:30px;font-weight:800;letter-spacing:-.03em}.qr{background:white;padding:12px;border-radius:12px;max-width:212px;width:100%;display:block;margin:20px auto}.actions{display:flex;gap:10px;margin-top:12px}.actions>*{flex:1}.status{min-height:24px;margin-top:16px;font-size:14px;overflow-wrap:anywhere}.status.error{color:#ffb7b7}.status.success{color:var(--accent)}details{margin-top:20px;border-top:1px solid var(--line);padding-top:16px}summary{cursor:pointer;color:var(--muted);font-size:14px}.success-mark{font-size:40px;color:var(--accent)}.key{padding:16px;border:1px solid var(--line);border-radius:12px;background:#09121e}.footer{max-width:1060px;margin:24px auto;padding:24px;color:var(--muted);font-size:13px;display:flex;gap:20px;flex-wrap:wrap}.loading{color:var(--muted)}[hidden]{display:none!important}@media(max-width:740px){.grid{grid-template-columns:1fr}.header,.container{padding:18px}.panel{padding:20px}.header small{font-size:12px}.steps{margin:20px 0}.actions{flex-direction:column}.footer{padding:18px}.plan .price{font-size:15px}}