:root{color-scheme:light dark;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;--bg: #0f1216;--bg-panel: #171b21;--border: #2a2f38;--text: #e6e9ef;--text-dim: #9aa3b2;--accent: #4f8cff;--danger: #ff5c5c;--warn: #ffb020;--ok: #34c759}@media (prefers-color-scheme: light){:root{--bg: #f5f6f8;--bg-panel: #ffffff;--border: #dfe3e8;--text: #16181d;--text-dim: #5b6270}}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text)}a{color:var(--accent)}button{font-family:inherit;cursor:pointer}.app-shell{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--bg-panel);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:16px 0;flex-shrink:0}.sidebar-title{padding:0 20px 16px;font-weight:700;font-size:15px;border-bottom:1px solid var(--border);margin-bottom:8px}.sidebar nav{display:flex;flex-direction:column;gap:2px}.sidebar nav a,.sidebar-link{padding:10px 20px;color:var(--text-dim);text-decoration:none;font-size:14px}.sidebar nav a.active,.sidebar nav a:hover{color:var(--text);background:#7f7f7f14}.sidebar-footer{margin-top:auto;padding:16px 20px 0;border-top:1px solid var(--border);font-size:13px;color:var(--text-dim)}.main-content{flex:1;min-width:0;padding:24px 32px;overflow-x:auto}.page-title{font-size:20px;font-weight:700;margin:0 0 16px}.panel{background:var(--bg-panel);border:1px solid var(--border);border-radius:8px;padding:16px;margin-bottom:20px}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13px}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);white-space:nowrap}th{color:var(--text-dim);font-weight:600}.btn{border:1px solid var(--border);background:transparent;color:var(--text);border-radius:6px;padding:6px 12px;font-size:13px}.btn:hover{background:#7f7f7f1a}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-danger{border-color:var(--danger);color:var(--danger)}.btn:disabled{opacity:.5;cursor:not-allowed}input,select{background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:6px;padding:7px 10px;font-size:13px;font-family:inherit}.form-row{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-bottom:12px}.form-field{display:flex;flex-direction:column;gap:4px}.form-field label{font-size:12px;color:var(--text-dim)}.banner{background:#ffb0201f;border:1px solid var(--warn);color:var(--warn);border-radius:8px;padding:10px 14px;margin-bottom:16px;font-size:13px}.banner-item{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:4px 0}.note{font-size:12px;color:var(--text-dim);background:#7f7f7f14;border-radius:6px;padding:8px 12px;margin-bottom:12px}.dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}.dot-online{background:var(--ok)}.dot-offline{background:var(--text-dim)}.login-shell{display:flex;align-items:center;justify-content:center;height:100vh}.login-card{width:340px;background:var(--bg-panel);border:1px solid var(--border);border-radius:10px;padding:28px}.login-card h1{font-size:18px;margin:0 0 20px}.field-stack{display:flex;flex-direction:column;gap:12px;margin-bottom:16px}.error-text{color:var(--danger);font-size:13px;margin:8px 0}.tag{font-size:11px;padding:2px 8px;border-radius:10px;border:1px solid var(--border);color:var(--text-dim)}.audit-row{padding:6px 0;border-bottom:1px solid var(--border);font-size:12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}