:root{color-scheme:light;font-family:Segoe UI,sans-serif;background:#f5f5f5;color:#1f1f1f;--window-background: #f5f5f5;--card-background: #ffffff;--primary: #0067c0;--primary-hover: #005a9e;--success: #0f7b0f;--error: #d13438;--border: #e0e0e0;--icon-tile-background: #f7fbff;--icon-tile-border: #e2ecf7;--text-primary: #1f1f1f;--text-secondary: #605e5c;--text-tertiary: #8a8886;--shadow: 0 10px 26px rgba(0, 0, 0, .06)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--window-background)}h1,h2,h3,p{margin-top:0}.admin-shell{min-height:100vh;padding:40px 24px 56px}.admin-frame{width:min(1180px,100%);margin:0 auto}.admin-header{margin-bottom:24px}.eyebrow{margin:0 0 8px;color:var(--primary);font-size:.78rem;text-transform:uppercase;letter-spacing:.12em}.admin-header h1{margin:0 0 16px;font-size:32px;font-weight:600;letter-spacing:-.02em}.subtitle{max-width:720px;color:var(--text-secondary);font-size:14px;line-height:1.55}.metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:20px}.metric-card,.panel{background:var(--card-background);border:1px solid var(--border);border-radius:6px;box-shadow:var(--shadow)}.metric-card{padding:24px}.metric-label{display:block;color:var(--text-secondary);font-size:14px}.metric-card strong{display:block;margin-top:8px;font-size:2rem;font-weight:700;color:var(--text-primary)}.dashboard-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:20px}.panel{padding:20px}.panel-loading,.panel-error{margin-bottom:20px}.panel-error{color:var(--error);font-weight:600}.panel-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:16px}.panel-header h2{margin:0 0 6px;font-size:20px;font-weight:600}.panel-copy{color:var(--text-secondary);font-size:13px;line-height:1.5}.panel-count{color:var(--text-secondary);font-size:14px;white-space:nowrap}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:14px 10px;text-align:left;border-bottom:1px solid var(--border);vertical-align:middle;font-size:14px}th{color:var(--text-secondary);font-weight:600}td{color:var(--text-primary)}.reference-cell{font-weight:600}.empty-row,.empty-state{color:var(--text-secondary)}.device-list{display:grid;gap:12px}.device-card{display:flex;justify-content:space-between;gap:16px;padding:16px;border:1px solid var(--border);border-radius:6px;background:var(--card-background)}.device-identity{display:flex;gap:14px;align-items:center}.device-badge{display:grid;place-items:center;width:46px;height:46px;border-radius:15px;background:var(--icon-tile-background);border:1px solid var(--icon-tile-border);color:var(--primary);font-size:15px;font-weight:600;text-transform:uppercase}.device-card h3{margin:0 0 6px;font-size:16px;font-weight:600}.device-card p,.device-card small{color:var(--text-secondary)}.device-meta{display:flex;flex-direction:column;align-items:flex-end;gap:8px;text-align:right}.status-pill{display:inline-flex;align-items:center;justify-content:center;min-height:32px;padding:0 14px;border-radius:999px;font-size:.85rem;font-weight:600;background:#e8f4ea;color:var(--success);text-transform:lowercase}.status-open{background:#eef5fb;color:var(--primary)}.status-offline{background:#fdecea;color:var(--error)}@media(max-width:920px){.metrics,.dashboard-grid{grid-template-columns:1fr}.panel-header,.device-card{flex-direction:column}.device-meta{align-items:flex-start;text-align:left}}