:root{--bg: #0d1117;--panel: #161b22;--panel-2: #1c2330;--border: #2a3340;--text: #e6edf3;--muted: #8b96a5;--accent: #3b82f6;--green: #3fb950;--yellow: #d29922;--red: #f85149}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px}a{color:var(--accent)}button{font-family:inherit;cursor:pointer;border:1px solid var(--border);background:var(--panel-2);color:var(--text);padding:7px 12px;border-radius:6px;font-size:13px}button:hover{border-color:var(--accent)}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.danger{color:var(--red)}button.success{color:var(--green)}input,select{font-family:inherit;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:7px 10px;font-size:13px}.layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--panel);border-right:1px solid var(--border);padding:18px 12px;flex-shrink:0}.brand{font-size:18px;font-weight:700;padding:0 8px 18px;display:flex;gap:8px;align-items:center}.nav-item{display:block;width:100%;text-align:left;border:none;background:none;padding:9px 12px;border-radius:6px;color:var(--muted);margin-bottom:2px}.nav-item:hover{background:var(--panel-2);color:var(--text)}.nav-item.active{background:var(--panel-2);color:var(--text);font-weight:600}.main{flex:1;padding:24px 32px;overflow:auto}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}h1{font-size:22px;margin:0}h2{font-size:16px;margin:0 0 12px}.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px}.card.clickable:hover{border-color:var(--accent)}.row{display:flex;align-items:center;gap:10px}.spread{display:flex;justify-content:space-between;align-items:center}.muted{color:var(--muted)}.tag{font-size:11px;padding:2px 8px;border-radius:99px;border:1px solid var(--border)}.dot{width:9px;height:9px;border-radius:50%;display:inline-block}.dot.online{background:var(--green)}.dot.offline{background:var(--red)}.dot.unknown{background:var(--muted)}.sev-info{color:var(--accent)}.sev-warning{color:var(--yellow)}.sev-critical{color:var(--red)}.bar{height:6px;background:var(--bg);border-radius:4px;overflow:hidden;margin-top:4px}.bar>span{display:block;height:100%;background:var(--green)}.bar>span.warn{background:var(--yellow)}.bar>span.crit{background:var(--red)}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--border);font-size:13px}th{color:var(--muted);font-weight:600}code{background:var(--bg);padding:2px 6px;border-radius:4px;font-size:12px}pre{background:var(--bg);padding:10px;border-radius:6px;overflow:auto;font-size:12px}.login-wrap{display:flex;min-height:100vh;align-items:center;justify-content:center}.login-card{width:320px}.login-card input{width:100%;margin-bottom:10px}.error{color:var(--red);font-size:13px;margin:8px 0}.status-chip{font-size:11px;padding:2px 8px;border-radius:99px;border:1px solid var(--border)}.metric-num{font-size:26px;font-weight:700}.field{margin-bottom:10px;display:flex;flex-direction:column;gap:4px}.field label{font-size:12px;color:var(--muted)}.modal-bg{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center}.modal{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:20px;width:420px;max-height:86vh;overflow:auto}