:root{--primary: #3182F6;--primary-dark: #1B64DA;--text: #4E5968;--sub: #8B95A1;--bg: #F2F4F6;--surface: #FFFFFF;--border: #E5E8EB;--mode-companion: #12B886;--mode-guard: var(--primary);--mode-warning: #8B5CF6;--mode-emergency: #F03E3E;--success: #12B886;--danger: #F03E3E;--warning-text: #B2610A;--sidebar-w: 240px;--header-h: 64px;--radius-card: 16px;--radius-btn: 10px;color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:Poppins,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}h1,h2,h3{font-weight:700;margin:0}h4,h5,h6{font-weight:600;margin:0}p{margin:0}a{color:var(--primary);text-decoration:none}button{font-family:inherit}.btn{border-radius:10px;padding:12px 20px;font-weight:700;background:var(--primary);color:#fff;border:none;box-shadow:0 6px 14px #00000040;cursor:pointer;transition:.15s;font-family:Poppins,sans-serif;font-size:14px;display:inline-flex;align-items:center;justify-content:center;gap:6px}.btn:hover{transform:translateY(-1px);box-shadow:0 8px 18px #0000004d;background:var(--primary-dark)}.btn:active{transform:translateY(0);box-shadow:0 4px 10px #00000038}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.btn-outline{background:var(--surface);color:var(--primary);border:1px solid var(--border);box-shadow:0 2px 6px #0000000f}.btn-outline:hover{background:var(--bg);color:var(--primary-dark)}.btn-ghost{background:transparent;color:var(--text);box-shadow:none;padding:8px 12px}.btn-ghost:hover{background:var(--bg);transform:none;box-shadow:none}.btn-sm{padding:8px 14px;font-size:13px}.icon{width:24px;height:24px;fill:currentColor;stroke:none;flex-shrink:0}.icon .secondary{opacity:.25}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:0 2px 10px #132d4c0a}.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:var(--border);border-radius:8px}.app-shell{display:flex;min-height:100vh;background:var(--bg)}.sidebar{width:var(--sidebar-w);flex-shrink:0;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.sidebar__brand{display:flex;align-items:center;gap:10px;padding:20px;border-bottom:1px solid var(--border)}.sidebar__brand-mark{width:36px;height:36px;border-radius:10px;background:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}.sidebar__brand-text strong{display:block;font-size:15px;font-weight:700;color:var(--text)}.sidebar__brand-text span{font-size:12px;color:var(--sub)}.sidebar__nav{flex:1;padding:12px;display:flex;flex-direction:column;gap:4px}.sidebar__link{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:10px;color:var(--sub);font-size:14px;font-weight:500;transition:.15s}.sidebar__link:hover{background:var(--bg);color:var(--text)}.sidebar__link.active{background:#3182f61a;color:var(--primary);font-weight:600}.sidebar__footer{padding:16px;border-top:1px solid var(--border);font-size:12px;color:var(--sub)}.app-main{flex:1;display:flex;flex-direction:column;min-width:0}.header{height:var(--header-h);flex-shrink:0;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:10}.header__title{font-size:17px;font-weight:700;color:var(--text)}.header__actions{display:flex;align-items:center;gap:16px}.header__icon-btn{position:relative;width:40px;height:40px;border-radius:10px;border:1px solid var(--border);background:var(--surface);display:flex;align-items:center;justify-content:center;color:var(--text);cursor:pointer;transition:.15s}.header__icon-btn:hover{background:var(--bg)}.header__badge{position:absolute;top:-4px;right:-4px;min-width:18px;height:18px;padding:0 4px;border-radius:999px;background:var(--danger);color:#fff;font-size:10px;font-weight:700;display:flex;align-items:center;justify-content:center;border:2px solid var(--surface)}.header__profile{display:flex;align-items:center;gap:8px;cursor:pointer}.header__avatar{width:36px;height:36px;border-radius:50%;background:var(--bg);display:flex;align-items:center;justify-content:center;font-size:18px;border:1px solid var(--border)}.header__profile-name{font-size:13px;font-weight:600;color:var(--text)}.header__profile-role{font-size:11px;color:var(--sub)}.page{flex:1;padding:28px 32px 96px;max-width:1180px;width:100%;margin:0 auto}.page__header{margin-bottom:24px}.page__header h1{font-size:22px;color:var(--text);margin-bottom:4px}.page__header p{font-size:14px;color:var(--sub)}.mobile-tabbar{display:none}@media (max-width: 900px){.sidebar{display:none}.page{padding:20px 16px 88px}.mobile-tabbar{display:flex;position:fixed;bottom:0;left:0;right:0;height:64px;background:var(--surface);border-top:1px solid var(--border);z-index:20;padding-bottom:env(safe-area-inset-bottom)}.mobile-tabbar__link{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--sub);font-size:11px;font-weight:500}.mobile-tabbar__link.active{color:var(--primary);font-weight:700}}.grid{display:grid;gap:16px}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.grid-cols-4{grid-template-columns:repeat(4,1fr)}@media (max-width: 900px){.grid-cols-2,.grid-cols-3,.grid-cols-4{grid-template-columns:1fr 1fr}}@media (max-width: 560px){.grid-cols-2,.grid-cols-3,.grid-cols-4{grid-template-columns:1fr}}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.text-sub{color:var(--sub);font-size:13px}.text-small{font-size:12px}.dashboard-chart-grid{grid-template-columns:2fr 1fr}@media (max-width: 780px){.dashboard-chart-grid{grid-template-columns:1fr}}.device-sim-grid{grid-template-columns:340px 1fr}@media (max-width: 780px){.device-sim-grid{grid-template-columns:1fr}}.skeleton{background:linear-gradient(90deg,var(--bg) 25%,var(--border) 50%,var(--bg) 75%);background-size:200% 100%;animation:skeleton-shimmer 1.4s ease-in-out infinite}@keyframes skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}