body{margin:0;font-family:Inter,-apple-system,sans-serif;background:radial-gradient(circle at top,#0b1227 0,#0f172a 70%);color:#e5e7eb;min-height:100vh;display:grid;place-items:center}.app{width:min(560px,94vw);padding:22px;border:1px solid #334155;border-radius:12px;background:#111827}#display{width:100%;box-sizing:border-box;border:1px solid #334155;border-radius:8px;background:#020617;color:#e5e7eb;padding:12px;font-size:1.2rem;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.mode-row{margin-top:10px;display:flex;gap:10px;align-items:center}button{border:1px solid #334155;border-radius:8px;background:#0b1220;color:#e5e7eb;padding:10px;cursor:pointer;font-size:.95rem}button:hover{border-color:#38bdf8}.keys{margin-top:12px;display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.wide{grid-column:span 2}.accent{background:#1d4ed8}.status{color:#9ca3af;font-size:.92rem}a{color:#93c5fd;text-decoration:none}.seo-content{margin-top:14px;padding:12px;border:1px solid #334155;border-radius:10px;background:#0b1220}.seo-content h2{margin:0 0 8px;font-size:1rem;color:#cbd5e1}.seo-content p{margin:6px 0;color:#9ca3af;line-height:1.5}