:root{
  --bg:#0b0b0c; --card:#141416; --card2:#1b1b1e; --ink:#f5f5f7; --muted:#9a9aa2;
  --line:#26262b; --primary:#3ee07f; --primaryink:#04150b; --danger:#f0425a;
  --chip:#202024; --radius:16px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",system-ui,sans-serif;
  -webkit-font-smoothing:antialiased}
body{min-height:100vh}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
#app{max-width:560px;margin:0 auto;padding:12px 12px 40px}
.shell{display:flex;flex-direction:column;gap:12px}
.brand{display:flex;align-items:center;gap:8px;padding:6px 2px 0}
.logo{font-weight:800;letter-spacing:-.02em;font-size:18px}
.tag{font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:2px 8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:10px}
.balcard{background:linear-gradient(160deg,#16161a,#101012)}
.h1{font-size:20px;font-weight:800;letter-spacing:-.02em}
.h2{font-size:15px;font-weight:700;color:#d7d7dc}
.muted{color:var(--muted);font-size:14px;line-height:1.5}
.small{font-size:12px}
.bigbal{font-size:30px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.mt{margin-top:6px}
.row{display:flex;align-items:center}
.row.gap{gap:8px}
.row.between{justify-content:space-between}
.row.wrap{flex-wrap:wrap}
.foot{margin-top:6px;font-size:12px}
.center{align-items:center;text-align:center;gap:14px;padding:34px 16px}
.btn{appearance:none;border:1px solid var(--line);background:var(--card2);color:var(--ink);
  border-radius:12px;padding:13px 16px;font-size:15px;font-weight:700;cursor:pointer;width:100%}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--primary);color:var(--primaryink);border-color:transparent}
.btn.ghost{background:var(--card2)}
.btn.danger{background:transparent;color:var(--danger);border-color:var(--danger)}
.btn.sm{padding:10px 12px;font-size:14px;width:auto;flex:1}
.iconbtn{background:var(--chip);border:1px solid var(--line);border-radius:10px;color:var(--ink);
  width:38px;height:38px;font-size:16px;cursor:pointer}
.addr{background:var(--chip);border:1px solid var(--line);border-radius:999px;color:var(--ink);
  padding:7px 12px;font-size:13px;cursor:pointer}
.chip{background:var(--chip);border:1px solid var(--line);border-radius:999px;color:var(--ink);
  padding:9px 14px;font-size:14px;font-weight:700;cursor:pointer}
.chip.sm{padding:7px 11px;font-size:13px}
.input{width:100%;background:#0e0e10;border:1px solid var(--line);border-radius:12px;color:var(--ink);
  padding:13px 14px;font-size:15px;outline:none}
.input:focus{border-color:#3a3a42}
.input.sm{flex:1}
textarea.input{resize:vertical}
.keybox{background:#0e0e10;border:1px dashed #3a3a42;border-radius:12px;padding:14px;
  word-break:break-all;font-size:13px;cursor:pointer;min-height:20px}
.check{display:flex;gap:8px;align-items:flex-start;font-size:13px;color:var(--muted);cursor:pointer}
.posrow{display:flex;justify-content:space-between;align-items:center;gap:10px;
  padding:10px 0;border-top:1px solid var(--line)}
.posrow:first-of-type{border-top:none}
.possym{font-weight:700}
.spinner{width:30px;height:30px;border-radius:50%;border:3px solid var(--line);
  border-top-color:var(--primary);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.banner{background:#12251a;border:1px solid #1f5b3f;color:#8ff0c0;border-radius:12px;
  padding:11px 13px;font-size:12.5px;line-height:1.45}
.pill{font-size:11px;font-weight:800;color:var(--muted);border:1px solid var(--line);
  border-radius:999px;padding:2px 9px;letter-spacing:.04em}
.pill-on{color:var(--primaryink);background:var(--primary);border-color:transparent}
.toggle{padding:4px 0;cursor:pointer;font-weight:600;font-size:14.5px}
.field{padding:3px 0;gap:10px}
.field .muted{flex:1}
.input.xs{width:110px;flex:none;padding:8px 10px;font-size:14px;text-align:right}
.sw{appearance:none;width:44px;height:26px;border-radius:999px;background:#2a2a30;position:relative;
  cursor:pointer;transition:.15s;border:1px solid var(--line);flex:none}
.sw:checked{background:var(--primary);border-color:transparent}
.sw::after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;
  background:#fff;transition:.15s}
.sw:checked::after{transform:translateX(18px)}
#toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%) translateY(20px);
  background:#000;border:1px solid var(--line);color:#fff;padding:11px 16px;border-radius:12px;
  font-size:14px;max-width:88%;text-align:center;opacity:0;pointer-events:none;transition:.22s;z-index:50}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}