*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#0a0a0a;color:#e8e8e8;min-height:100vh;padding:16px}#app{max-width:480px;margin:0 auto}.card{background:#141414;border:1px solid #2a2a2a;border-radius:10px;padding:16px;margin-bottom:12px}.title{font-size:20px;font-weight:700;margin-bottom:4px}.subtitle{font-size:13px;color:#888}.btn{background:#222;color:#e8e8e8;border:1px solid #333;border-radius:6px;padding:8px 16px;font-size:13px;cursor:pointer;transition:background .12s}.btn:hover{background:#333}.btn-primary{background:#1a5c2a;border-color:#2a8c4a}.btn-primary:hover{background:#2a7c3a}.row{display:flex;gap:8px;flex-wrap:wrap}.status-line{font-size:12px;color:#aaa;margin-top:10px}.log-title{font-size:13px;font-weight:600;margin-bottom:6px;color:#888}#event-log{font-size:11px;color:#666;max-height:200px;overflow-y:auto;white-space:pre-wrap;line-height:1.4}