:root{--bg-primary:#0f172a;--bg-secondary:#1e293b;--bg-card:#1e293b;--bg-card-hover:#243249;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--accent:#3b82f6;--accent-hover:#2563eb;--accent-subtle:#3b82f626;--success:#22c55e;--warning:#f59e0b;--danger:#ef4444;--border:#334155;--border-hover:#3b82f6;--sidebar-width:240px;--topbar-height:56px;--radius:8px;--transition:.15s ease}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{height:100%;font-size:16px}body{background-color:var(--bg-primary);min-height:100%;color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5}#root{flex-direction:column;min-height:100vh;display:flex}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:#334155;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#475569}.app-shell{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border);z-index:100;transition:transform var(--transition);flex-direction:column;display:flex;position:fixed;top:0;bottom:0;left:0;overflow-y:auto}.sidebar-logo{border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:10px;padding:16px 20px;display:flex}.sidebar-logo-mark{background:var(--bg-primary);width:32px;height:32px;color:var(--accent);letter-spacing:-.5px;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;font-size:13px;font-weight:700;display:flex}.sidebar-logo-text{color:var(--text-primary);font-size:15px;font-weight:600}.sidebar-nav{flex:1;padding:12px 0}.sidebar-nav-item{border-radius:var(--radius);color:var(--text-secondary);cursor:pointer;transition:background var(--transition), color var(--transition);align-items:center;gap:10px;margin:2px 8px;padding:9px 16px;font-size:14px;font-weight:500;text-decoration:none;display:flex}.sidebar-nav-item:hover{color:var(--text-primary);background:#ffffff0d}.sidebar-nav-item.active{color:#60a5fa;background:#3b82f626}.sidebar-nav-item svg{flex-shrink:0;width:18px;height:18px}.sidebar-user{border-top:1px solid var(--border);flex-shrink:0;padding:12px}.sidebar-user-info{border-radius:var(--radius);align-items:center;gap:10px;margin-bottom:8px;padding:8px;display:flex}.sidebar-avatar{background:var(--accent);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:12px;font-weight:600;display:flex}.sidebar-user-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:500;overflow:hidden}.sidebar-logout-btn{border-radius:var(--radius);border:1px solid var(--border);width:100%;color:var(--text-secondary);cursor:pointer;transition:background var(--transition), color var(--transition), border-color var(--transition);background:0 0;align-items:center;gap:6px;padding:7px 12px;font-size:13px;display:flex}.sidebar-logout-btn:hover{color:#f87171;background:#ef44441a;border-color:#ef44444d}.topbar{height:var(--topbar-height);background:var(--bg-secondary);border-bottom:1px solid var(--border);z-index:50;flex-shrink:0;align-items:center;gap:12px;padding:0 20px;display:flex;position:sticky;top:0}.topbar-hamburger{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:4px;display:none}.topbar-hamburger:hover{color:var(--text-primary);background:#ffffff0d}.topbar-title{color:var(--text-primary);flex:1;font-size:16px;font-weight:600}.topbar-actions{align-items:center;gap:8px;display:flex}.lang-switcher{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius);align-items:center;gap:4px;padding:2px 4px;display:flex}.lang-btn{color:var(--text-secondary);cursor:pointer;transition:background var(--transition), color var(--transition);background:0 0;border:none;border-radius:5px;padding:4px 8px;font-size:12px;font-weight:500}.lang-btn.active{background:var(--accent);color:#fff}.lang-btn:hover:not(.active){color:var(--text-primary);background:#ffffff12}.main-wrapper{margin-left:var(--sidebar-width);flex-direction:column;flex:1;min-height:100vh;display:flex}.main-content{flex:1;width:100%;max-width:1280px;padding:28px}.sidebar-overlay{z-index:90;background:#00000080;display:none;position:fixed;inset:0}.offline-banner{color:#fbbf24;background:#f59e0b26;border-bottom:1px solid #f59e0b4d;align-items:center;gap:8px;padding:8px 20px;font-size:13px;display:flex}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);transition:border-color var(--transition), box-shadow var(--transition), background var(--transition)}.card:hover{border-color:var(--border-hover);box-shadow:0 0 0 1px #3b82f61a}.card-link{color:inherit;text-decoration:none;display:block}.module-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-top:24px;display:grid}.module-card{background:var(--bg-card);border:1px solid var(--border);color:inherit;transition:border-color var(--transition), box-shadow var(--transition), transform var(--transition), background var(--transition);cursor:pointer;border-radius:12px;flex-direction:column;gap:12px;padding:20px;text-decoration:none;display:flex}.module-card:hover{border-color:var(--border-hover);background:var(--bg-card-hover);transform:translateY(-2px);box-shadow:0 8px 24px #0000004d}.module-card-icon{border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;display:flex}.module-card-icon svg{width:22px;height:22px}.module-card-header{justify-content:space-between;align-items:flex-start;gap:8px;display:flex}.module-card-title{color:var(--text-primary);font-size:15px;font-weight:600}.module-card-desc{color:var(--text-secondary);font-size:13px;line-height:1.5}.module-card-footer{align-items:center;gap:8px;margin-top:auto;display:flex}.status-dot{background:var(--success);border-radius:50%;width:6px;height:6px}.status-dot.offline{background:var(--text-muted)}.status-text{color:var(--text-secondary);font-size:12px}.icon-blue{color:#60a5fa;background:#3b82f626}.icon-green{color:#4ade80;background:#22c55e26}.icon-amber{color:#fbbf24;background:#f59e0b26}.icon-purple{color:#c084fc;background:#a855f726}.icon-cyan{color:#22d3ee;background:#06b6d426}.icon-pink{color:#f472b6;background:#ec489926}.badge{white-space:nowrap;border-radius:100px;align-items:center;padding:2px 8px;font-size:11px;font-weight:500;display:inline-flex}.badge-soon{color:#fbbf24;background:#f59e0b26;border:1px solid #f59e0b4d}.role-badge{text-transform:uppercase;letter-spacing:.05em;border-radius:100px;align-items:center;padding:2px 8px;font-size:10px;font-weight:600;display:inline-flex}.role-owner{color:#facc15;background:#eab30833}.role-admin{color:#c084fc;background:#a855f733}.role-editor{color:#60a5fa;background:#3b82f633}.role-viewer{color:#4ade80;background:#22c55e33}.role-guest{color:#94a3b8;background:#64748b33}.btn{border-radius:var(--radius);cursor:pointer;transition:background var(--transition), opacity var(--transition);border:none;align-items:center;gap:6px;padding:8px 16px;font-size:14px;font-weight:500;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-secondary{color:var(--text-primary);border:1px solid var(--border);background:#334155}.btn-secondary:hover:not(:disabled){background:#3d4f63}.btn-ghost{color:var(--text-secondary);border:1px solid var(--border);background:0 0}.btn-ghost:hover:not(:disabled){color:var(--text-primary);background:#ffffff0d}.form-group{flex-direction:column;gap:6px;display:flex}label{color:var(--text-secondary);font-size:13px;font-weight:500}input,select,textarea{border-radius:var(--radius);color:var(--text-primary);transition:border-color var(--transition), box-shadow var(--transition);background:#1a2540;border:1px solid #334155;outline:none;width:100%;padding:9px 12px;font-family:inherit;font-size:14px}input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #3b82f626}input::placeholder{color:var(--text-muted)}.page-header{margin-bottom:24px}.page-title{color:var(--text-primary);margin-bottom:4px;font-size:22px;font-weight:700}.page-desc{color:var(--text-secondary);font-size:14px}.module-placeholder{background:var(--bg-card);border:1px dashed var(--border);text-align:center;border-radius:12px;margin-top:24px;padding:48px 32px}.module-placeholder-icon{border-radius:12px;justify-content:center;align-items:center;width:56px;height:56px;margin:0 auto 16px;display:flex}.module-placeholder-title{color:var(--text-primary);margin-bottom:8px;font-size:16px;font-weight:600}.module-placeholder-desc{color:var(--text-secondary);max-width:420px;margin:0 auto 16px;font-size:14px;line-height:1.6}.module-placeholder-note{color:#fbbf24;background:#f59e0b1a;border:1px solid #f59e0b33;border-radius:100px;align-items:center;gap:6px;padding:6px 14px;font-size:12px;font-weight:500;display:inline-flex}.auth-page{background:var(--bg-primary);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.auth-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:16px;width:100%;max-width:420px;padding:40px 36px;box-shadow:0 20px 60px #0006}.auth-card__header{text-align:center;margin-bottom:32px}.auth-card__title{color:var(--text-primary);margin-bottom:6px;font-size:28px;font-weight:700}.auth-card__subtitle{color:var(--text-secondary);font-size:14px}.auth-card form{flex-direction:column;gap:18px;display:flex}.auth-card .form-group--inline{flex-direction:row;align-items:center}.auth-card .form-checkbox{color:var(--text-secondary);cursor:pointer;align-items:center;gap:8px;font-size:13px;display:flex}.auth-card .form-checkbox input[type=checkbox]{width:16px;height:16px;accent-color:var(--accent)}.btn-full{border-radius:var(--radius);cursor:pointer;background:var(--accent);color:#fff;width:100%;transition:background var(--transition), opacity var(--transition);border:none;justify-content:center;padding:11px 16px;font-size:15px;font-weight:600}.btn-full:hover:not(:disabled){background:var(--accent-hover)}.btn-full:disabled{opacity:.5;cursor:not-allowed}.form-error{color:var(--danger);border-radius:var(--radius);background:#ef44441a;border:1px solid #ef444433;padding:8px 12px;font-size:13px}.auth-card__footer{text-align:center;color:var(--text-secondary);margin-top:24px;font-size:13px}.auth-card__footer a{color:var(--accent);font-weight:500}.auth-card__footer a:hover{text-decoration:underline}.password-strength{margin-top:4px}.password-strength-bar{background:var(--border);border-radius:2px;height:4px;margin-bottom:4px;overflow:hidden}.password-strength-fill{border-radius:2px;height:100%;transition:width .3s,background .3s}.password-strength-fill.weak{background:var(--danger);width:33%}.password-strength-fill.medium{background:var(--warning);width:66%}.password-strength-fill.strong{background:var(--success);width:100%}.password-strength-text{color:var(--text-muted);font-size:11px}.auth-loading{justify-content:center;align-items:center;min-height:100vh;display:flex}.auth-loading:after{content:"";border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:32px;height:32px;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.settings-section{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;margin-bottom:20px;padding:24px}.settings-section h2{color:var(--text-primary);border-bottom:1px solid var(--border);margin-bottom:16px;padding-bottom:12px;font-size:16px;font-weight:600}.settings-section.danger{border-color:#ef44444d}.settings-section.danger h2{color:var(--danger);border-bottom-color:#ef444433}.settings-row{justify-content:space-between;align-items:center;gap:16px;padding:10px 0;display:flex}.settings-row+.settings-row{border-top:1px solid #33415580}.device-list{flex-direction:column;gap:8px;display:flex}.device-item{background:var(--bg-primary);border-radius:var(--radius);border:1px solid var(--border);justify-content:space-between;align-items:center;padding:12px;display:flex}.device-info{flex-direction:column;gap:2px;display:flex}.device-name{color:var(--text-primary);font-size:14px;font-weight:500}.device-meta{color:var(--text-muted);font-size:12px}.btn-danger{color:var(--danger);border-radius:var(--radius);cursor:pointer;transition:background var(--transition);background:#ef44441a;border:1px solid #ef44444d;padding:6px 12px;font-size:13px}.btn-danger:hover{background:#ef444433}.access-denied{text-align:center;color:var(--text-secondary);padding:60px 20px}.access-denied h2{color:var(--danger);margin-bottom:8px;font-size:20px}@keyframes skeleton-pulse{0%,to{opacity:1}50%{opacity:.4}}.skeleton{background:var(--bg-secondary);border-radius:4px;animation:1.5s ease-in-out infinite skeleton-pulse}.dashboard-welcome{margin-bottom:8px}.dashboard-welcome h1{color:var(--text-primary);font-size:24px;font-weight:700}.dashboard-welcome p{color:var(--text-secondary);margin-top:4px;font-size:14px}@media (width<=768px){.sidebar{transform:translate(-100%)}.sidebar.sidebar-open{transform:translate(0)}.sidebar-overlay.visible{display:block}.main-wrapper{margin-left:0}.topbar-hamburger{justify-content:center;align-items:center;display:flex}.main-content{padding:20px 16px}.module-grid{grid-template-columns:1fr}}@media (width<=480px){.module-grid{grid-template-columns:1fr}}