:root{--navy:#0b1730;--navy2:#13244a;--blue:#3b82f6;--text:#e8eefc;--muted:#9fb0d0}
*{box-sizing:border-box}
body{margin:0;background:var(--navy);color:var(--text);font:17px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
.banner{background:#facc15;color:#1a1a1a;font-weight:700;text-align:center;padding:12px;font-size:18px}
header{display:flex;align-items:center;gap:12px;max-width:560px;margin:18px auto 0;padding:0 16px}
header h1{font-size:24px;margin:0}
main{max-width:560px;margin:0 auto;padding:16px}
h2{font-size:20px}
.card{background:var(--navy2);border-radius:12px;padding:16px;margin:14px 0}
.label{color:var(--muted);font-size:15px}
.balance{font-size:36px;font-weight:700}
.balance small{font-size:16px;color:var(--muted)}
label{display:block;margin:12px 0;color:var(--muted)}
input[type=text],input[type=password],input[type=file]{display:block;width:100%;margin-top:4px;padding:12px;border-radius:8px;border:1px solid #2c4170;background:#0e1d3d;color:var(--text);font-size:17px}
label.check{color:var(--text)}
button{cursor:pointer;font:inherit;border-radius:10px}
button.big{display:block;width:100%;padding:14px;margin:12px 0;background:var(--blue);color:#fff;border:0;font-weight:700;font-size:18px}
button.big:disabled{opacity:.45;cursor:not-allowed}
button.plain{background:transparent;color:var(--text);border:1px solid #2c4170;padding:9px 14px;margin:4px 4px 4px 0}
button.danger{border-color:#7f1d1d;color:#fca5a5}
a.plain{display:inline-block;color:#93c5fd;border:1px solid #2c4170;border-radius:10px;padding:9px 14px;margin:4px 4px 4px 0;text-decoration:none}
a.plain:hover{background:#13234a;color:#bfdbfe}
.code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:19px;word-break:break-all;background:#0e1d3d;padding:12px;border-radius:8px;letter-spacing:.5px}
.code.small{font-size:15px}
.msg{padding:12px;border-radius:8px;background:#14532d}
.msg.err{background:#7f1d1d}
.confirm{border-top:1px solid #2c4170;margin-top:10px}
.or{text-align:center;color:var(--muted)}
.row{display:flex;flex-wrap:wrap}
details{margin:10px 0;color:var(--muted)}
summary{cursor:pointer;color:var(--text)}