:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#0b0e16;color:#f0f3fa}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 80% 0%,#16203b 0%,transparent 55%);min-height:100vh}main{max-width:880px;margin:0 auto;padding:44px 28px 52px}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:64px}.brand{font-size:13px;font-weight:700;letter-spacing:.16em}.tag{border:1px solid #334059;border-radius:999px;padding:6px 12px;font-size:12px;color:#b9c6df}h1{font-size:clamp(30px,5vw,48px);letter-spacing:-.045em;line-height:1.1;margin:0 0 16px}h2{font-size:25px;letter-spacing:-.025em}h3{font-size:16px;margin-top:26px}.intro{color:#a4afc4;line-height:1.65;margin-bottom:32px}.card{border:1px solid #293249;border-radius:20px;padding:28px;background:#111722;box-shadow:0 18px 50px #0002;margin:20px 0}label{display:block;font-size:13px;font-weight:600;margin:12px 0}.key-row{display:flex;gap:8px}input,select{width:100%;min-width:0;background:#0b111d;border:1px solid #35415a;border-radius:10px;color:#e9eefb;padding:13px;font:inherit;font-size:14px}input:focus,select:focus,button:focus-visible{outline:2px solid #819fff;outline-offset:2px}button{cursor:pointer;border:1px solid #35415a;border-radius:10px;background:#1c2639;color:#e8eefb;padding:11px 15px;font:inherit;font-size:13px;font-weight:600;white-space:nowrap}.primary{background:#c9d5ff;color:#101a31;border-color:#c9d5ff}button:disabled{opacity:.5;cursor:wait}.actions{display:flex;gap:16px;align-items:center;margin-top:16px}#message{font-size:13px;color:#a8b7ce;line-height:1.5}.balance-row{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #293249;margin-top:26px;padding-top:26px}.balance{font-size:50px;letter-spacing:-.05em;font-weight:600;margin:10px 0}.eyebrow{color:#a8badc;font-size:11px;font-weight:600;letter-spacing:.12em}.muted,footer{font-size:13px;color:#a0afc8;line-height:1.7}footer{padding:10px 4px;max-width:710px}pre{padding:18px;border-radius:12px;background:#080e19;border:1px solid #293249;overflow:auto;font-size:13px;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere}#instructions>p{color:#a0afc8;font-size:13px;line-height:1.7}[hidden]{display:none!important}@media(max-width:600px){main{padding:28px 18px}header{margin-bottom:44px}.card{padding:20px}.key-row{flex-wrap:wrap}.key-row input{flex-basis:100%}.actions{align-items:flex-start;flex-direction:column;gap:12px}.balance{font-size:42px}.balance-row{gap:12px}}