:root{--color-bg:#16213e;--color-sidebar:#1a1a2e;--color-card:#1e2a3a;--color-text:#e0e0e0;--color-text-muted:#8a94a6;--color-accent:#0f3460;--color-border:#2a3a5c;--color-hover:#253550;--status-active:#4caf50;--status-inactive:#f44336;--status-maintenance:#ff9800;--status-decommissioned:#9e9e9e;--vendor-ubiquiti:#0559c9;--vendor-cambium:#00b4d8;--vendor-mikrotik:#293d8e;--vendor-aviat:#e63946;--vendor-siklu:#00c896;--vendor-ceragon:#ff6b35;--vendor-tachyon:#9b5de5;color:var(--color-text);background-color:var(--color-bg);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;line-height:1.5}*,:before,:after{box-sizing:border-box;margin:0;padding:0}a{color:var(--color-text);text-decoration:none}a:hover{color:#fff}h1,h2,h3,h4,h5,h6{color:#fff;font-weight:600}button{cursor:pointer;font-family:inherit;font-size:inherit}input,select{font-family:inherit;font-size:inherit;color:var(--color-text);background:var(--color-card);border:1px solid var(--color-border);border-radius:4px;outline:none;padding:6px 12px}input:focus,select:focus{border-color:var(--vendor-ubiquiti)}.app-layout{min-height:100vh;display:flex}.app-sidebar{background:var(--color-sidebar);border-right:1px solid var(--color-border);flex-direction:column;flex-shrink:0;width:220px;transition:width .2s;display:flex}.app-sidebar.collapsed{width:56px}.sidebar-header{border-bottom:1px solid var(--color-border);align-items:center;gap:10px;padding:16px;display:flex}.sidebar-header h2{white-space:nowrap;font-size:16px;overflow:hidden}.sidebar-toggle{color:var(--color-text-muted);background:0 0;border:none;justify-content:center;align-items:center;padding:4px;display:flex}.sidebar-toggle:hover{color:#fff}.sidebar-nav{flex:1;padding:8px 0}.sidebar-nav a{color:var(--color-text-muted);white-space:nowrap;align-items:center;gap:12px;padding:10px 16px;transition:background .15s,color .15s;display:flex;overflow:hidden}.sidebar-nav a:hover{background:var(--color-hover);color:var(--color-text)}.sidebar-nav a.active{background:var(--color-accent);color:#fff}.sidebar-nav .nav-icon{text-align:center;flex-shrink:0;width:20px;font-size:16px}.app-topbar{background:var(--color-sidebar);border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;height:48px;padding:0 24px;display:flex}.app-topbar .breadcrumb{color:var(--color-text-muted);font-size:13px}.app-main{flex-direction:column;flex:1;min-width:0;display:flex}.app-content{flex:1;padding:24px;overflow-y:auto}.card{background:var(--color-card);border:1px solid var(--color-border);border-radius:8px;padding:20px}.card-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;display:grid}.summary-card{flex-direction:column;gap:4px;display:flex}.summary-card .label{color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:12px}.summary-card .value{color:#fff;font-size:28px;font-weight:700}.summary-card .sublabel{color:var(--color-text-muted);font-size:12px}.status-badge{text-transform:capitalize;border-radius:12px;align-items:center;gap:6px;padding:2px 10px;font-size:12px;font-weight:500;display:inline-flex}.status-badge .dot{border-radius:50%;width:8px;height:8px}.status-badge.active{color:var(--status-active);background:#4caf5026}.status-badge.active .dot{background:var(--status-active)}.status-badge.inactive{color:var(--status-inactive);background:#f4433626}.status-badge.inactive .dot{background:var(--status-inactive)}.status-badge.maintenance{color:var(--status-maintenance);background:#ff980026}.status-badge.maintenance .dot{background:var(--status-maintenance)}.status-badge.decommissioned{color:var(--status-decommissioned);background:#9e9e9e26}.status-badge.decommissioned .dot{background:var(--status-decommissioned)}.vendor-badge{text-transform:capitalize;color:#fff;border-radius:4px;padding:2px 8px;font-size:12px;font-weight:500;display:inline-block}.page-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.page-header h1{font-size:22px}.table-toolbar{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:16px;display:flex}.table-toolbar input[type=text]{min-width:240px}.table-toolbar select{min-width:140px}.pagination{color:var(--color-text-muted);justify-content:space-between;align-items:center;margin-top:16px;font-size:13px;display:flex}.pagination-buttons{gap:4px;display:flex}.pagination-buttons button{background:var(--color-card);border:1px solid var(--color-border);color:var(--color-text);border-radius:4px;padding:4px 12px}.pagination-buttons button:hover:not(:disabled){background:var(--color-hover)}.pagination-buttons button:disabled{opacity:.4;cursor:default}.detail-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;margin-bottom:24px;display:grid}.detail-section{margin-bottom:24px}.detail-section h2{border-bottom:1px solid var(--color-border);margin-bottom:12px;padding-bottom:8px;font-size:16px}.info-table{width:100%}.info-table td{vertical-align:top;padding:6px 0}.info-table td:first-child{color:var(--color-text-muted);width:140px;font-size:13px}.metric-chart{padding:12px}.metric-chart .chart-header{justify-content:space-between;align-items:baseline;margin-bottom:8px;display:flex}.metric-chart .chart-title{color:var(--color-text-muted);font-size:13px}.metric-chart .chart-value{color:#fff;font-size:18px;font-weight:600}.metric-chart svg{width:100%;display:block}.loading-spinner{color:var(--color-text-muted);justify-content:center;align-items:center;padding:40px;display:flex}.error-message{color:var(--status-inactive);background:#f443361a;border:1px solid #f443364d;border-radius:8px;padding:20px}.back-link{color:var(--color-text-muted);align-items:center;gap:6px;margin-bottom:16px;font-size:13px;display:inline-flex}.back-link:hover{color:#fff}