*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--font-display: "Syne", sans-serif;--font-body: "DM Sans", sans-serif;--font-mono: "DM Mono", monospace;--bg-primary: #f4f3ef;--bg-secondary: #eceae3;--bg-card: #ffffff;--bg-card-hover: #fafaf8;--bg-sidebar: #1a1a18;--bg-input: #ffffff;--text-primary: #1a1a18;--text-secondary: #6b6b60;--text-muted: #9b9b8e;--text-sidebar: #e8e6df;--text-sidebar-muted: #8a8a7a;--border: #e0ddd4;--border-strong: #ccc9be;--accent: #2563eb;--accent-light: #dbeafe;--accent-dark: #1d4ed8;--success: #16a34a;--success-light: #dcfce7;--warning: #d97706;--warning-light: #fef3c7;--danger: #dc2626;--danger-light: #fee2e2;--info: #0891b2;--info-light: #cffafe;--shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);--shadow-lg: 0 12px 32px rgba(0,0,0,.1), 0 4px 8px rgba(0,0,0,.06);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--sidebar-width: 240px;--header-height: 60px;--transition: .2s cubic-bezier(.4, 0, .2, 1)}[data-theme=dark]{--bg-primary: #111110;--bg-secondary: #1a1a18;--bg-card: #1e1e1c;--bg-card-hover: #252522;--bg-sidebar: #0d0d0c;--bg-input: #252522;--text-primary: #e8e6df;--text-secondary: #9b9b8e;--text-muted: #6b6b60;--text-sidebar: #e8e6df;--text-sidebar-muted: #6b6b60;--border: #2a2a27;--border-strong: #3a3a36;--accent: #3b82f6;--accent-light: #1e3a5f;--accent-dark: #60a5fa;--success: #22c55e;--success-light: #14532d;--warning: #f59e0b;--warning-light: #451a03;--danger: #ef4444;--danger-light: #450a0a;--info: #06b6d4;--info-light: #164e63;--shadow-sm: 0 1px 3px rgba(0,0,0,.3);--shadow-md: 0 4px 12px rgba(0,0,0,.4);--shadow-lg: 0 12px 32px rgba(0,0,0,.5)}html{font-size:16px}body{font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);line-height:1.5;transition:background var(--transition),color 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rgba(255,255,255,.06)}.sidebar-logo-text{font-family:var(--font-display);font-size:18px;font-weight:700;color:#fff;letter-spacing:-.3px}.sidebar-logo-sub{font-size:11px;color:var(--text-sidebar-muted);margin-top:2px;font-family:var(--font-mono);letter-spacing:.5px}.sidebar-nav{flex:1;padding:12px;overflow-y:auto}.sidebar-section-label{font-size:10px;font-weight:600;letter-spacing:1.2px;text-transform:uppercase;color:var(--text-sidebar-muted);padding:12px 8px 6px}.sidebar-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:var(--radius-sm);color:var(--text-sidebar-muted);font-size:14px;font-weight:400;cursor:pointer;transition:all var(--transition);text-decoration:none;margin-bottom:2px}.sidebar-item:hover{background:#ffffff0f;color:var(--text-sidebar)}.sidebar-item.active{background:#3b82f626;color:#60a5fa}.sidebar-item svg{flex-shrink:0}.sidebar-bottom{padding:12px;border-top:1px solid rgba(255,255,255,.06)}.sidebar-user{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition)}.sidebar-user:hover{background:#ffffff0f}.sidebar-avatar{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,#3b82f6,#8b5cf6);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;color:#fff;flex-shrink:0}.sidebar-user-info{flex:1;min-width:0}.sidebar-user-name{font-size:13px;font-weight:500;color:var(--text-sidebar);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-user-role{font-size:11px;color:var(--text-sidebar-muted);font-family:var(--font-mono)}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-sm);transition:box-shadow var(--transition),border-color var(--transition)}.card:hover{box-shadow:var(--shadow-md)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.card-title{font-family:var(--font-body);font-size:15px;font-weight:600;color:var(--text-primary)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;position:relative;overflow:hidden;transition:all 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var(--border)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);padding:16px}.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:40px;width:100%;max-width:400px;box-shadow:var(--shadow-lg)}.login-logo{text-align:center;margin-bottom:32px}.login-logo-text{font-family:var(--font-display);font-size:26px;font-weight:800;color:var(--text-primary);letter-spacing:-.5px}.login-logo-sub{font-size:13px;color:var(--text-muted);margin-top:4px;font-family:var(--font-mono)}.alert{padding:12px 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var(--info-light)}.alarm-event-title{font-size:14px;font-weight:500;color:var(--text-primary)}.alarm-event-meta{font-size:12px;color:var(--text-muted);margin-top:2px;font-family:var(--font-mono)}.page-title{font-family:var(--font-body);font-size:22px;font-weight:600;color:var(--text-primary);letter-spacing:-.2px}.page-subtitle{font-size:13px;color:var(--text-muted);margin-top:2px}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:24px}.tab{padding:9px 16px;font-size:14px;font-weight:500;color:var(--text-muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;transition:all var(--transition);background:none;border-top:none;border-left:none;border-right:none;font-family:var(--font-body)}.tab:hover{color:var(--text-primary)}.tab.active{color:var(--accent);border-bottom-color:var(--accent)}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state-icon{width:56px;height:56px;background:var(--bg-secondary);border-radius:var(--radius-xl);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:var(--text-muted)}.empty-state-title{font-size:16px;font-weight:600;color:var(--text-secondary);margin-bottom:6px}.empty-state-sub{font-size:13px}.toggle{position:relative;width:36px;height:20px;flex-shrink:0}.toggle input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;top:0;right:0;bottom:0;left:0;background:var(--border-strong);border-radius:100px;transition:all var(--transition)}.toggle-slider:before{content:"";position:absolute;width:14px;height:14px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:transform var(--transition)}.toggle input:checked+.toggle-slider{background:var(--accent)}.toggle input:checked+.toggle-slider:before{transform:translate(16px)}.loading{display:flex;align-items:center;justify-content:center;padding:60px;color:var(--text-muted);gap:10px}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.channel-badge{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:100px;font-size:11px;font-weight:500;background:var(--bg-secondary);color:var(--text-secondary);border:1px solid var(--border)}@media(max-width:768px){.sidebar{transform:translate(-100%)}.main-content{margin-left:0}.stats-grid{grid-template-columns:1fr 1fr}.sensors-grid{grid-template-columns:1fr}}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-4{margin-top:16px}.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}.w-full{width:100%}.text-sm{font-size:13px}.text-xs{font-size:11px}.text-muted{color:var(--text-muted)}.text-danger{color:var(--danger)}.text-success{color:var(--success)}.font-mono{font-family:var(--font-mono)}.truncate{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}