:root{
  --bg:#0f172a; --card:#1e293b; --line:#334155; --text:#e2e8f0; --muted:#94a3b8;
  --primary:#3b82f6; --primary-d:#2563eb; --ok:#22c55e; --warn:#f59e0b; --bad:#ef4444;
}
*{box-sizing:border-box}
body{margin:0;font-family:'Segoe UI',-apple-system,'Malgun Gothic',sans-serif;
  background:var(--bg);color:var(--text);line-height:1.6}
a{color:var(--primary)}
.wrap{max-width:1000px;margin:0 auto;padding:24px}
.center{max-width:440px}
h1{font-size:22px;margin:0 0 4px}
h2{font-size:16px;color:var(--muted);font-weight:500;margin:24px 0 12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:16px}
label{display:block;font-size:13px;color:var(--muted);margin:10px 0 4px}
input,select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;
  background:#0b1220;color:var(--text);font-size:14px}
input:focus,select:focus{outline:none;border-color:var(--primary)}
.row{display:flex;gap:10px}.row>*{flex:1}
button,.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 16px;border:none;border-radius:8px;
  background:var(--primary);color:#fff;font-size:14px;font-weight:600;cursor:pointer;text-decoration:none}
button:hover{background:var(--primary-d)}
.btn-sm{padding:6px 12px;font-size:12px}
.btn-ok{background:var(--ok)}.btn-bad{background:var(--bad)}.btn-ghost{background:#334155}
.muted{color:var(--muted);font-size:13px}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{text-align:left;padding:8px;border-bottom:1px solid var(--line);vertical-align:middle}
th{color:var(--muted);font-weight:500}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:600}
.b-active{background:rgba(34,197,94,.15);color:#4ade80}
.b-expired{background:rgba(148,163,184,.15);color:#cbd5e1}
.b-consumed{background:rgba(245,158,11,.15);color:#fbbf24}
.b-pending{background:rgba(59,130,246,.15);color:#60a5fa}
.b-approved{background:rgba(34,197,94,.15);color:#4ade80}
.b-rejected{background:rgba(148,163,184,.15);color:#cbd5e1}
.b-failed{background:rgba(239,68,68,.15);color:#f87171}
.linkbox{display:flex;gap:8px;align-items:center;background:#0b1220;border:1px solid var(--line);
  border-radius:8px;padding:6px 10px;font-family:monospace;font-size:12px;word-break:break-all}
.err{background:rgba(239,68,68,.12);border:1px solid var(--bad);color:#fca5a5;padding:10px;border-radius:8px;margin:10px 0;font-size:13px}
.notice{background:rgba(245,158,11,.1);border:1px solid var(--warn);color:#fcd34d;padding:12px;border-radius:8px;font-size:13px;margin-bottom:16px}
.big{font-size:20px;font-weight:700}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.amount{color:var(--ok);font-weight:700}
.divider{height:1px;background:var(--line);margin:14px 0}