:root{--bg-app: #06122b;--text-on-dark: #f1f5ff;--text-muted-on-dark: #a9b7cf;--surface: #ffffff;--surface-soft: #f8fafc;--surface-border: #dbe3ef;--text-on-light: #0f172a;--text-muted-on-light: #4b5563;--accent: #2563eb;--accent-soft: #dbeafe;font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color:var(--text-on-dark);background-color:var(--bg-app);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background-color:var(--bg-app);color:var(--text-on-dark)}.app{max-width:1100px;margin:0 auto;padding:24px;display:flex;flex-direction:column;gap:16px;color:var(--text-on-dark)}.mode-loading{min-height:12rem;display:grid;place-items:center;color:#64748b;font-weight:600}.header{display:flex;justify-content:space-between;align-items:center;gap:16px}.header h1{margin:0;font-size:28px;color:var(--text-on-dark)}.device-id{font-size:14px;color:var(--text-muted-on-dark)}.card{background:var(--surface);border:1px solid var(--surface-border);padding:16px;border-radius:12px;color:var(--text-on-light)}.card h2,.card h3,.card h4,.card p,.card strong,.card td,.card th,.card span,.card div{color:inherit}.status-bar{display:flex;gap:8px;flex-wrap:wrap}.badge{display:inline-flex;align-items:center;padding:6px 12px;border-radius:999px;font-size:13px;font-weight:600}.badge-online{background:#16a34a;color:#fff}.badge-offline{background:#dc2626;color:#fff}.badge-neutral{background:#334155;color:#f8fafc}.badge-pending{background:#f59e0b;color:#111827}.badge-syncing{background:#38bdf8;color:#111827}.badge-synced{background:#22c55e;color:#111827}.badge-error{background:#ef4444;color:#fff}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}.form-grid label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--text-on-light)}.form-grid input{background:var(--surface);border:1px solid #cbd5e1;color:var(--text-on-light);padding:10px 12px;border-radius:8px;font-size:16px}.form-grid input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px #2563eb26}.actions{margin-top:12px}.actions button,.row button{border:none;border-radius:8px;padding:10px 16px;font-size:14px;cursor:pointer}.primary{background:var(--accent);color:#fff}.secondary{background:#0f172a;color:#fff}.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}.list{display:flex;flex-direction:column;gap:10px}.list-row{display:flex;justify-content:space-between;gap:12px;align-items:center;border-bottom:1px solid #e2e8f0;padding-bottom:10px}.list-title{font-weight:600;color:var(--text-on-light)}.list-sub{font-size:12px;color:var(--text-muted-on-light)}.row{display:flex;justify-content:space-between;align-items:center;gap:12px}.muted{color:var(--text-muted-on-light)}.error{color:#b91c1c;margin-top:8px;font-size:13px}.error-list{display:flex;flex-direction:column;gap:8px;margin-top:12px}.error-item{padding:10px;border-radius:8px;background:#fff7ed;border:1px solid #fed7aa;color:#7c2d12}.app-toolbar{max-width:1100px;box-sizing:border-box;margin:0 auto;padding:10px 24px 0;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;color:#e2e8f0}.app-toolbar-brand{font-size:12px;font-weight:800;letter-spacing:.12em}.app-toolbar-brand span{color:#94a3b8;margin-left:6px;font-weight:500}.app-toolbar-actions{display:flex;align-items:center;gap:10px}.app-update-button{min-height:44px;padding:8px 12px;border:1px solid #475569;border-radius:10px;background:#17253d;color:#f8fafc;font:inherit;font-size:13px;cursor:pointer;display:flex;align-items:center;gap:6px;box-sizing:border-box}.app-update-button{background:#e2edff;color:#143d86;border-color:#a8c5ef;font-weight:700}.app-update-button:disabled{opacity:.6;cursor:default}.app-update-notice{width:100%;font-size:13px;color:#fde68a}.app-update-overlay{position:fixed;inset:0;z-index:3000;background:#0b142be8;color:#fff;display:grid;place-items:center;font-weight:700}.app-toolbar :focus-visible{outline:3px solid #facc15;outline-offset:3px}@media(max-width:600px){.app-toolbar{padding:8px 12px 0}.app{padding:12px}.app-toolbar-brand{font-size:10px}.app-toolbar-actions{gap:6px}.app-update-button{padding:8px}}.app-toolbar-brand{color:inherit;text-decoration:none}.app-version{color:#94a3b8;font-size:10px;white-space:nowrap}.mode-selector{padding:1rem .75rem;max-width:600px;margin:0 auto}.mode-selector h2{text-align:center;margin-bottom:1rem;color:var(--text-on-dark);font-size:1.25rem}.mode-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem}.mode-card{background:var(--surface);border:2px solid var(--surface-border);border-radius:10px;padding:1rem .75rem;cursor:pointer;transition:all .2s ease;text-align:center}.mode-card:hover{border-color:var(--accent);box-shadow:0 4px 12px #2563eb33;transform:translateY(-2px)}.mode-card-secondary{border-color:#cbd5e1;opacity:.95}.mode-card-secondary:hover{border-color:#64748b;box-shadow:0 4px 12px #64748b33}.mode-icon{font-size:2rem;margin-bottom:.5rem}.mode-title{font-size:1rem;font-weight:700;color:var(--text-on-light);margin-bottom:.4rem}.mode-description{font-size:.75rem;color:var(--text-muted-on-light);line-height:1.3}.auth-gate,.auth-gate-status{min-height:100vh;display:grid;place-items:center;padding:24px;color:#f8fafc}.auth-gate-card{width:min(100%,420px);display:flex;flex-direction:column;gap:14px;padding:28px;border:1px solid #334155;border-radius:16px;background:#111827;box-shadow:0 18px 48px #00000059}.auth-gate-card h1,.auth-gate-card p{margin:0}.auth-gate-card label{font-size:14px;font-weight:700}.auth-gate-card input{border:1px solid #64748b;border-radius:10px;padding:12px 14px;background:#f8fafc;color:#0f172a;font-size:20px;letter-spacing:.12em}.auth-gate-card button{border:0;border-radius:10px;padding:12px 16px;background:#2563eb;color:#fff;font-size:16px;font-weight:700;cursor:pointer}.auth-gate-card button:disabled{opacity:.6;cursor:default}.auth-gate-error{color:#fecaca}