*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:#0f1115;color:#e0e2e8;min-height:100vh}.app{max-width:1200px;margin:0 auto;padding:24px}header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid #2a2d35}h1{font-size:24px;font-weight:600;color:#fff}.status-bar{display:flex;align-items:center;gap:12px;font-size:14px}.indicator{width:12px;height:12px;border-radius:50%;display:inline-block}.indicator.online{background:#22c55e;box-shadow:0 0 8px #22c55e}.indicator.offline{background:#ef4444;box-shadow:0 0 8px #ef4444}.indicator.busy{background:#3b82f6;box-shadow:0 0 8px #3b82f6}.indicator.warning{background:#eab308;box-shadow:0 0 8px #eab308}.card{background:#181b21;border:1px solid #2a2d35;border-radius:12px;padding:20px;margin-bottom:20px}.card h2{font-size:16px;margin-bottom:16px;color:#fff}.device-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}.info-row{display:flex;justify-content:space-between;font-size:14px;padding:8px 0;border-bottom:1px solid #252830}.info-label{color:#9ca3af}.info-value{color:#fff;font-weight:500}button{background:#2563eb;color:#fff;border:none;border-radius:8px;padding:10px 18px;font-size:14px;cursor:pointer;transition:background .2s}button:hover{background:#1d4ed8}button:disabled{background:#374151;cursor:not-allowed}.log-viewer{background:#0d0f12;border-radius:8px;padding:12px;font-family:Consolas,Monaco,monospace;font-size:12px;max-height:240px;overflow-y:auto;color:#a1a8b4}.log-line{margin-bottom:4px;line-height:1.5}.confirm-dialog-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:100}.confirm-dialog{background:#181b21;border:1px solid #2a2d35;border-radius:12px;padding:24px;max-width:480px;width:90%}.confirm-dialog h3{margin-bottom:12px;color:#fff}.confirm-dialog p{margin-bottom:16px;color:#d1d5db;font-size:14px}.confirm-dialog ul{margin-bottom:16px;padding-left:20px;color:#d1d5db;font-size:14px}.confirm-dialog li{margin-bottom:6px}.confirm-actions{display:flex;gap:12px;justify-content:flex-end}.btn-secondary{background:#374151}.btn-secondary:hover{background:#4b5563}.btn-danger{background:#dc2626}.btn-danger:hover{background:#b91c1c}.app-footer{text-align:center;padding:16px 0;font-size:13px;color:#6b7280}.app-footer a{color:#6b7280;text-decoration:none}.app-footer a:hover{color:#9ca3af;text-decoration:underline}.footer-icon{width:16px;height:16px;vertical-align:middle;margin-right:6px;color:#6b7280}