body{font-family:Inter,system-ui,sans-serif;background:#0f172a;color:#e2e8f0;margin:0}
.container{max-width:1100px;margin:0 auto;padding:20px}
.narrow{max-width:420px;margin-top:10vh}
.card{background:#1e293b;padding:16px;margin:14px 0;border-radius:10px}
.row{display:flex;gap:10px;align-items:center}.between{justify-content:space-between}.wrap{flex-wrap:wrap}
input,button{padding:10px;border-radius:8px;border:1px solid #334155}
input{background:#0b1220;color:#fff;min-width:220px}
button{background:#2563eb;color:#fff;cursor:pointer}
button:hover{background:#1d4ed8}
pre{white-space:pre-wrap;background:#0b1220;padding:10px;border-radius:8px;max-height:220px;overflow:auto}
.error{background:#7f1d1d;padding:8px;border-radius:8px;margin:8px 0}
table{width:100%;border-collapse:collapse}th,td{border-bottom:1px solid #334155;padding:8px;text-align:left;vertical-align:top}