@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";:root{--sidebar-bg:#1e3a8a;--sidebar-bg-dark:#1e3170;--sidebar-text:#fff;--sidebar-text-muted:#93c5fd;--sidebar-active-bg:#ffffff1a;--sidebar-active-border:#10b981;--bg-main:#f4f7f6;--card-bg:#fff;--text-primary:#111827;--text-secondary:#6b7280;--text-muted:#9ca3af;--border-color:#e5e7eb;--accent-blue:#2563eb;--accent-green:#10b981;--accent-red:#ef4444;--accent-orange:#f59e0b;--font-family:"Inter", system-ui, -apple-system, sans-serif;--radius-md:12px;--radius-lg:16px;--shadow-sm:0 1px 3px #0000000f;--shadow-md:0 4px 12px #00000014;--sidebar-width:260px}*{box-sizing:border-box;font-family:var(--font-family);margin:0;padding:0}html,body{width:100%;overflow-x:hidden}body{background-color:var(--bg-main);color:var(--text-primary);-webkit-font-smoothing:antialiased}.app-container{min-height:100vh;display:flex;overflow-x:hidden}.sidebar{width:var(--sidebar-width);background:linear-gradient(180deg, var(--sidebar-bg) 0%, var(--sidebar-bg-dark) 100%);color:var(--sidebar-text);z-index:100;flex-direction:column;height:100vh;transition:transform .3s;display:flex;position:fixed;box-shadow:4px 0 15px #00000014}.sidebar-header{border-bottom:1px solid #ffffff12;flex-direction:column;align-items:center;padding:28px 20px 22px;display:flex}.sidebar-logo{border-radius:50%;width:58px;height:58px;margin-bottom:10px}.sidebar-brand{letter-spacing:.3px;font-size:17px;font-weight:700}.sidebar-subbrand{color:var(--sidebar-text-muted);margin-top:2px;font-size:11px}.sidebar-nav{flex-direction:column;flex:1;gap:4px;padding:16px 0;display:flex;overflow-y:auto}.nav-item{color:var(--sidebar-text-muted);border-left:3px solid #0000;border-radius:0 8px 8px 0;align-items:center;gap:12px;margin-right:8px;padding:13px 24px;font-size:14px;font-weight:500;text-decoration:none;transition:all .18s;display:flex}.nav-item:hover{color:var(--sidebar-text);background:#ffffff12}.nav-item.active{background:var(--sidebar-active-bg);color:var(--sidebar-text);border-left-color:var(--sidebar-active-border)}.sidebar-footer{border-top:1px solid #ffffff12;flex-direction:column;gap:14px;padding:20px 24px;display:flex}.user-profile{align-items:center;gap:10px;display:flex}.user-avatar{background:#ffffff26;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;font-size:14px;font-weight:700;display:flex}.user-info{flex-direction:column;display:flex}.user-name{font-size:13px;font-weight:600}.user-email{color:var(--sidebar-text-muted);font-size:11px}.logout-btn{color:var(--sidebar-text-muted);cursor:pointer;background:0 0;border:none;align-items:center;gap:8px;padding:8px 4px;font-size:13px;transition:color .18s;display:flex}.logout-btn:hover{color:#fca5a5}.topbar{justify-content:flex-end;align-items:center;gap:12px;margin-bottom:24px;display:flex}.hamburger-btn{border:1px solid var(--border-color);cursor:pointer;color:var(--text-primary);background:0 0;border-radius:8px;padding:8px;transition:background .18s;display:none}.hamburger-btn:hover{background:#f3f4f6}.sidebar-overlay{z-index:99;background:#0006;animation:.2s fadeIn;display:none;position:fixed;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.sidebar-close-btn{color:var(--sidebar-text);cursor:pointer;background:#ffffff1a;border:none;border-radius:8px;padding:6px;transition:background .18s;display:none;position:absolute;top:16px;right:16px}.sidebar-close-btn:hover{background:#fff3}.main-content{margin-left:var(--sidebar-width);flex:1;min-height:100vh;padding:36px 40px}.page-header{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:28px;display:flex}.page-title-wrap h4{text-transform:uppercase;letter-spacing:1.2px;color:var(--text-secondary);margin-bottom:4px;font-size:11px}.page-title-wrap h1{letter-spacing:-.5px;color:var(--text-primary);font-size:30px;font-weight:800}.header-actions{flex-wrap:wrap;align-items:flex-start;gap:12px;display:flex}.status-badge{border-radius:20px;align-items:center;gap:6px;padding:6px 12px;font-size:12px;font-weight:600;display:inline-flex}.status-badge.online{color:#065f46;background:#d1fae5}.status-badge.offline{color:#991b1b;background:#fee2e2}.card{background:var(--card-bg);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border-color);padding:24px;transition:box-shadow .2s}.grid-cols-2{grid-template-columns:repeat(2,1fr);gap:20px;display:grid}.grid-cols-3{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.grid-cols-4{grid-template-columns:repeat(4,1fr);gap:20px;display:grid}.summary-strip{border:1px solid var(--border-color);border-radius:var(--radius-md);background:#fff;flex-wrap:wrap;gap:0;margin-bottom:24px;display:flex;overflow:hidden}.summary-item{border-right:1px solid var(--border-color);flex:1;align-items:center;gap:8px;min-width:150px;padding:12px 20px;font-size:13px;font-weight:500;display:flex}.summary-item:last-child{border-right:none}.summary-item strong{font-weight:700}.zone-card{cursor:default;flex-direction:column;gap:12px;transition:transform .18s,box-shadow .18s;display:flex}.zone-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.zone-card.zone-faulty{background:#fff5f5;border-color:#fca5a5}.zc-header{justify-content:space-between;align-items:flex-start;display:flex}.zc-id{color:var(--text-secondary);letter-spacing:.5px;text-transform:uppercase;margin-bottom:3px;font-size:10px;font-weight:700}.zc-name{font-size:16px;font-weight:700}.zc-icon{border-radius:8px;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.zc-icon.on{color:var(--accent-blue);background:#2563eb1f}.zc-icon.off{color:var(--text-secondary);background:#6b72801a}.faulty-badge{color:var(--accent-red);background:#fef2f2;border:1px solid #fecaca;border-radius:6px;align-items:center;gap:6px;padding:4px 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