:root{--bg: #0b0f14;--panel: #131a22;--panel-2: #1a232e;--line: #24303d;--text: #e6edf3;--muted: #8b98a5;--accent: #3ea6ff;--ok: #3fb950;--warn: #d29922;--danger: #f85149;--radius: 14px}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-tap-highlight-color:transparent}.op-shell{min-height:100%;max-width:560px;margin:0 auto;padding:24px 20px calc(24px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:20px}.op-topbar{display:flex;align-items:center;justify-content:space-between;gap:12px}.op-brand{font-weight:700;letter-spacing:3px;font-size:20px}.op-user{color:var(--muted);font-size:13px;display:flex;align-items:center;gap:10px}.op-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px}.op-title{font-size:20px;font-weight:600;margin:0 0 6px}.op-subtitle{color:var(--muted);font-size:14px;margin:0 0 18px}.op-label{display:block;font-size:13px;color:var(--muted);margin:0 0 6px}.op-input{width:100%;background:var(--panel-2);border:1px solid var(--line);border-radius:10px;color:var(--text);font-size:16px;padding:13px 14px;outline:none}.op-input:focus{border-color:var(--accent)}.op-btn{width:100%;border:none;border-radius:10px;background:var(--accent);color:#04121f;font-size:16px;font-weight:600;padding:14px;cursor:pointer}.op-btn:disabled{opacity:.5;cursor:default}.op-btn.op-btn-ghost{background:transparent;color:var(--text);border:1px solid var(--line)}.op-btn.op-btn-danger{background:var(--danger);color:#1a0202}.op-btn.op-btn-scan{background:var(--ok);color:#04140a;font-size:22px;letter-spacing:2px;padding:22px}.op-btn.op-btn-scan.is-scanning{background:var(--danger);color:#1a0202}.op-error{color:var(--danger);font-size:14px;margin-top:12px;min-height:18px}.op-list{display:flex;flex-direction:column;gap:10px}.op-unit{display:flex;align-items:center;justify-content:space-between;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 18px;cursor:pointer;text-align:left;color:inherit;font:inherit}.op-unit:hover{border-color:var(--accent)}.op-unit-id{font-weight:600;font-size:16px}.op-dot{width:10px;height:10px;border-radius:50%;background:var(--muted);display:inline-block;margin-right:8px}.op-dot.is-online{background:var(--ok)}.op-badge{font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:3px 10px}.op-checklist{display:flex;flex-direction:column;gap:12px;margin:4px 0 18px}.op-check{display:flex;align-items:center;gap:12px;font-size:16px;cursor:pointer}.op-check input{width:22px;height:22px;accent-color:var(--accent)}.op-freqs{display:flex;flex-direction:column;gap:12px;margin:18px 0}.op-freq{display:flex;align-items:center;justify-content:space-between;background:var(--panel-2);border:1px solid var(--line);border-radius:12px;padding:16px 18px}.op-freq.is-detected{border-color:var(--danger);background:#f851491f}.op-freq-band{font-weight:600;font-size:17px}.op-freq-value{color:var(--muted);font-variant-numeric:tabular-nums}.op-freq.is-detected .op-freq-value{color:var(--danger)}.op-status-line{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px}.op-center{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px}.op-spinner{width:42px;height:42px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:op-spin .9s linear infinite}@keyframes op-spin{to{transform:rotate(360deg)}}