body{margin:0;background:#0b1120;color:#e5e7eb;font-family:Segoe UI,sans-serif}
.container{max-width:1400px;margin:auto;padding:24px}
textarea{width:100%;height:120px;background:#0f172a;color:#fff;border:1px solid #334155;border-radius:8px;padding:12px;font-family:Consolas}
.buttons{margin:12px 0;display:flex;gap:10px}
button{padding:10px 16px;border:0;border-radius:8px;background:#2563eb;color:#fff;cursor:pointer}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
pre{background:#111827;border:1px solid #334155;border-radius:8px;padding:16px;min-height:400px;color:#f8fafc;overflow:auto}
#status{font-weight:bold;margin:12px 0}
.ok{color:#22c55e}.err{color:#ef4444}