:root{
  --bg:#0b1220;
  --card:#0f1724;
  --accent:#1db954;
  --muted:#9aa6b2;
  --text:#e6eef3;
}
*{box-sizing:border-box;font-family:Inter,system-ui,Segoe UI,Roboto,'Helvetica Neue',Arial;}
body{margin:0;background:linear-gradient(180deg,var(--bg),#07101a);color:var(--text);-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;align-items:flex-start;justify-content:center;padding:24px;}
#app{width:100%;max-width:420px}
header{display:flex;align-items:center;gap:8px;margin-bottom:18px}
.logo{width:44px;height:44px}
h1{font-size:20px;margin:0}
.er{margin-left:auto;background:linear-gradient(90deg,#ffd166,#ff6b6b);color:#001; padding:6px 10px;border-radius:8px;font-weight:700}
.screen{background:var(--card);padding:18px;border-radius:14px;box-shadow:0 6px 18px rgba(0,0,0,0.5)}
.hidden{display:none}
.disclaimer{color:var(--muted);font-size:13px;margin-bottom:8px}
label{display:block;margin:10px 0}
input[type="email"],input[type="password"],input[type="number"]{width:100%;padding:10px;border-radius:8px;border:none;background:#08121a;color:var(--text)}
button{background:var(--accent);border:none;padding:10px 14px;border-radius:10px;color:#001;font-weight:700;cursor:pointer}
button.small{padding:8px 10px;border-radius:8px;font-size:14px}
.hint{color:var(--muted);font-size:13px}
.balance-card{margin-bottom:16px}
.balance-row{display:flex;align-items:center;justify-content:space-between}
.label{color:var(--muted);font-size:13px}
.amount{font-size:32px;font-weight:800;margin-top:4px}
.actions{display:flex;gap:8px;margin-top:12px;align-items:center}
.actions input{width:140px}
.features{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.feature{flex:1;padding:12px;border-radius:10px;background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.02)}
footer{margin-top:12px;text-align:center;color:var(--muted);font-size:13px}
.modal{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(2,6,10,0.6)}
.modal-content{background:var(--card);padding:18px;border-radius:12px;min-width:280px}
.modal-actions{display:flex;gap:8px;margin-top:12px}