:root{
  --ink:#1a1730; --ink-soft:#4a4566; --line:#e7e3f1; --bg:#f6f4fb; --card:#ffffff;
  --accent:#5b3df5; --accent-soft:#efeafe; --ok:#0f9d6b; --bad:#d23b53; --radius:16px;
}
*{box-sizing:border-box}
body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:radial-gradient(1100px 500px at 80% -10%,#ece6ff 0%,var(--bg) 55%);min-height:100vh;line-height:1.55}
.wrap{max-width:680px;margin:0 auto;padding:44px 22px 70px}
.hero{text-align:center;margin-bottom:26px}
.hero.compact{margin-bottom:18px}
.tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent);background:var(--accent-soft);padding:5px 11px;border-radius:999px}
.tag.ok{color:var(--ok);background:#e4f6ee}
h1{font-size:34px;line-height:1.12;margin:14px 0 10px;letter-spacing:-.02em}
h1 .amp{color:var(--accent)}
h2{font-size:18px;margin:0 0 10px}
.lede{color:var(--ink-soft);font-size:16px;margin:0 auto;max-width:54ch}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  box-shadow:0 1px 2px rgba(26,23,48,.04),0 12px 30px -18px rgba(91,61,245,.25);margin-bottom:18px}
.card.center{text-align:center}
.card.how ol{margin:0;padding-left:20px;color:var(--ink-soft)}
.card.how li{margin:9px 0}
.muted{color:var(--ink-soft)}
.small{font-size:13px}
.actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:8px}
.btn{appearance:none;border:1px solid var(--line);background:#fff;color:var(--ink);font:inherit;font-weight:600;
  padding:13px 18px;border-radius:12px;cursor:pointer;display:inline-flex;flex-direction:column;align-items:center;
  line-height:1.2;transition:transform .06s ease,box-shadow .2s ease,background .2s ease;text-decoration:none}
.btn .sub{font-size:11px;font-weight:600;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.06em;margin-top:3px}
.btn.primary{background:var(--accent);color:#fff;border-color:transparent;box-shadow:0 10px 22px -10px rgba(91,61,245,.6)}
.btn.primary .sub{color:#d9cffe}
.btn.ghost{background:#fff}
.btn.tiny{padding:7px 11px;border-radius:9px;font-size:13px}
.btn.wide{display:block;width:100%;margin-top:14px;flex-direction:row;justify-content:center}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.note{min-height:20px;color:var(--ink-soft);font-size:14px;margin:14px 0 0;text-align:center}
.qrbox{display:inline-flex;padding:16px;background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:6px}
.tokenrow{display:flex;gap:8px;align-items:center;justify-content:center;margin:14px 0 6px;flex-wrap:wrap}
.token{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;color:var(--ink-soft);
  background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:7px 10px;max-width:100%;
  overflow-wrap:anywhere;display:inline-block}
.lbl{display:block;font-weight:600;font-size:14px;margin-bottom:8px}
.ta{width:100%;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;padding:12px;
  border:1px solid var(--line);border-radius:12px;background:var(--bg);resize:vertical}
.ta:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}
.result{margin-top:16px;border-radius:12px;padding:18px;text-align:center;font-size:15px}
.result.pending{background:var(--bg);color:var(--ink-soft)}
.result.approved{background:#e4f6ee;color:var(--ok);border:1px solid #bfe9d5}
.result.declined{background:#fdeaed;color:var(--bad);border:1px solid #f6cdd5}
.result .big{font-size:24px;font-weight:800;letter-spacing:.04em;margin-bottom:4px}
.foot{display:flex;justify-content:space-between;align-items:center;color:var(--ink-soft);font-size:14px;margin-top:8px}
.foot a{color:var(--accent);text-decoration:none;font-weight:600}
.wrap.narrow{max-width:460px}
.sim-banner{font-size:13px;color:var(--ink-soft);background:var(--accent-soft);border:1px solid #e0d8fb;
  border-radius:10px;padding:10px 12px;margin:0 0 18px}
.sim-banner code{font-size:12px;background:#fff;padding:1px 5px;border-radius:5px}
.inp{width:100%;font:inherit;font-size:15px;padding:12px;border:1px solid var(--line);border-radius:11px;
  background:var(--bg);margin-bottom:14px}
.inp:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}
.row2{display:flex;gap:12px}
.row2>div{flex:1}
.center{text-align:center}
@media(max-width:520px){h1{font-size:27px}}