:root{color-scheme:light dark;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}body{margin:0;background:#0f1115;color:#f2f2f2}.container{max-width:960px;margin:0 auto;padding:24px}.center-screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px}.card{background:#1a1d24;border:1px solid #2a2e38;border-radius:12px;padding:20px;margin-bottom:16px}.plan-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.btn{background:#25d366;color:#06210f;border:none;border-radius:8px;padding:10px 16px;font-weight:600;cursor:pointer}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.secondary{background:transparent;border:1px solid #444;color:#f2f2f2}.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600}.badge.connected{background:#1e4d2b;color:#7ee89b}.badge.qr_pending{background:#4d3d1e;color:#e8c97e}.badge.disconnected,.badge.created{background:#4d1e1e;color:#e87e7e}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px;border-bottom:1px solid #2a2e38;font-size:14px}header.topbar{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;border-bottom:1px solid #2a2e38}