:root{--ink:#182333;--muted:#748092;--line:#e4e9ef;--blue:#3066e8;--nav:#142239;--bg:#f4f6f9;--amber:#9c6812;--radius:14px}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
button,input,select{font:inherit}
button{cursor:pointer}
.sidebar{position:fixed;inset:0 auto 0 0;width:234px;background:var(--nav);color:#fff;padding:32px 20px;display:flex;flex-direction:column}
.brand{display:flex;align-items:center;gap:10px;color:inherit;font-size:23px;font-weight:800;letter-spacing:1px;text-decoration:none!important}
.brand small{font-size:9px;font-weight:500;letter-spacing:2px;color:#b2bfd1;align-self:flex-end;margin:0 0 5px -4px}
.brand-mark{display:block;width:48px;height:48px;object-fit:contain;flex:0 0 auto;mix-blend-mode:screen}
.nav-caption{font-size:10px;color:#7f93b0;letter-spacing:1.6px;margin:49px 12px 15px}
nav{display:grid;gap:7px}
nav a{color:#afbed2;padding:12px 16px;border-radius:9px;font-weight:500}
nav a.active{color:#fff;background:#29466c;border-left:3px solid #6191ff;padding-left:13px}
nav a:hover{background:#203650;text-decoration:none}
.sidebar-footer{margin-top:auto;font-size:12px;color:#b9c6d7;padding:20px 10px 0;border-top:1px solid #2c3b51}
.sidebar-footer small{display:block;color:#8192a9;margin-top:8px;font-size:10px}
.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#6d9fff;margin-right:5px}
.workspace{margin-left:234px}
.topbar{height:76px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 38px;color:var(--muted);font-size:13px}
.operator{display:flex;align-items:center;gap:16px;color:var(--ink)}
.operator form{margin:0}
.main{max-width:1500px;margin:auto;padding:34px 38px}
.page-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:10px}
.eyebrow{font-size:10px;letter-spacing:1.7px;color:var(--muted);font-weight:600}
h1{font-size:29px;line-height:1.25;margin:8px 0 10px;font-weight:650;letter-spacing:-.6px}
h2{font-size:16px;margin:0 0 15px;font-weight:650}
.lead{color:var(--muted);margin:0 0 28px;max-width:800px}
.badge{display:inline-flex;align-items:center;border-radius:6px;padding:5px 9px;font-size:11px;font-weight:600;white-space:nowrap}
.badge.neutral{background:#eaf0fa;color:#5b6f93}
.badge.warning{background:#fff2d8;color:var(--amber)}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:17px;margin:25px 0}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.stat>span{font-size:12px;color:var(--muted)}
.stat strong{display:block;font-size:36px;font-weight:650;line-height:1.25;margin:13px 0}
.stat small{font-size:11px;color:var(--muted)}
.notice{padding:16px 19px;border-radius:9px;font-size:13px;margin:20px 0;border:1px solid transparent;line-height:1.7}
.notice.warning{background:#fff8eb;color:#89651e;border-color:#f4e4bd}
.notice.success{background:#eaf6f1;color:#2b7657;border-color:#d0eadd}
.notice.danger{background:#fff0f0;color:#9c3434;border-color:#f3d0d0}
.two-columns{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:25px}
.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:22px;margin-top:24px;align-items:start}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-width:0}
.card-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.card-heading h2{margin:0}
.card-heading a{font-size:12px}
.muted{color:var(--muted)}
.small{font-size:11px}
.record{padding:10px 0 17px;border-bottom:1px solid var(--line)}
.record p{margin:6px 0}
.record small{font-size:11px}
.event{padding:13px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:6px}
.event small{font-size:11px;color:var(--muted)}
.empty{text-align:center;padding:30px 10px;color:var(--muted)}
.empty strong{display:block;color:#526176;font-size:15px}
.empty p{font-size:12px;margin:8px 0 0;line-height:1.8}
.empty-icon{display:block;color:#91a8cc;font-size:36px;margin-bottom:16px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:16px;border:1px solid transparent;border-radius:8px;padding:11px 16px;font-size:13px;font-weight:600;line-height:1.4}
.button.primary{background:var(--blue);color:#fff;box-shadow:0 3px 7px #3066e81a}
.button.primary:hover{background:#2457d0}
.button.secondary{background:#fff;border-color:var(--line);color:#4f6178}
.button.text{padding:7px;background:transparent;color:var(--muted)}
.wide{width:100%}
label{display:block;font-size:12px;font-weight:600;margin:19px 0;color:#44536a}
input,select{display:block;width:100%;background:#fff;border:1px solid #dbe2ec;border-radius:7px;color:var(--ink);padding:11px 12px;margin-top:7px;min-height:43px;outline:none}
input:focus,select:focus{border-color:#5080ee;box-shadow:0 0 0 3px #3066e817}
input::placeholder{color:#a2aabc}
.search{display:flex;gap:10px;margin-bottom:18px}
.search input{margin:0}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;text-align:left;white-space:nowrap}
th{font-size:10px;letter-spacing:.4px;color:var(--muted);font-weight:500;background:#f8fafc;padding:12px}
td{padding:15px 12px;border-bottom:1px solid #edf0f4;font-size:12px}
td small{display:block;color:var(--muted);font-size:10px;margin-top:5px}
.account-link{font-weight:600;font-size:13px}
.form-card p{font-size:12px}
.detail{display:flex;justify-content:space-between;gap:8px;border-bottom:1px solid var(--line);padding:17px 0;font-size:11px}
.detail span{color:var(--muted)}
.detail strong{font-weight:500}
.mono{font-family:ui-monospace,monospace}
.back-link{display:inline-block;font-size:12px;margin:10px 0 -5px}
.node-row{display:flex;align-items:center;gap:14px;padding:18px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.node-row>div{flex:1}
.node-row small{display:block;color:var(--muted);font-size:11px;margin-top:5px}
.footer{display:flex;justify-content:space-between;gap:10px;color:#96a0ad;font-size:10px;margin:30px 0 5px}
.login-body{background:#fff}
.login-shell{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}
.login-intro{background:var(--nav);color:#fff;padding:48px 65px;display:flex;flex-direction:column;justify-content:space-between;position:relative}
.login-intro>div{margin-block:auto}
.login-intro h1{font-size:53px;line-height:1.15;margin:22px 0;letter-spacing:-1.8px}
.login-intro p{color:#a7b8cf;line-height:1.9;font-size:15px}
.login-intro .eyebrow{color:#81a6e3}
.login-intro>small{color:#7f94b0;font-size:11px}
.login-form{display:flex;justify-content:center;align-items:center;padding:45px}
.login-card{width:100%;max-width:360px}
.login-card h2{font-size:27px;margin:24px 0 9px;letter-spacing:-.5px}
.login-card .muted{font-size:13px}
.login-card form{margin-top:30px}
.login-card button{margin-top:10px}
.login-help{font-size:11px;color:var(--muted);margin-top:25px}
.login-card>small.muted{font-size:10px;display:block;margin-top:40px}
@media(min-width:1500px){.login-intro{padding:65px 100px}
}
@media(max-width:1100px){.sidebar{width:195px;padding:30px 14px}
.workspace{margin-left:195px}
.main{padding:28px 24px}
.topbar{padding:0 24px}
.stats-grid{grid-template-columns:repeat(2,1fr)}
.content-grid{grid-template-columns:minmax(0,1fr)}
.form-card{max-width:none}
.login-intro{padding:40px}
.login-intro h1{font-size:43px}
}
@media(max-width:650px){.sidebar{position:static;width:100%;padding:17px 20px;gap:16px}
.sidebar .brand{font-size:20px}
.nav-caption,.sidebar-footer{display:none}
nav{display:flex;gap:8px}
nav a{font-size:12px;padding:8px 12px}
nav a.active{padding-left:12px;border:0}
.workspace{margin:0}
.topbar{height:57px;padding:0 20px;font-size:11px}
.main{padding:23px 16px}
h1{font-size:25px}
.stats-grid{gap:10px}
.stat{padding:16px}
.stat strong{font-size:30px}
.stat small{font-size:10px}
.two-columns{grid-template-columns:1fr}
.card{padding:18px}
.footer{display:block}
.footer span{display:block;margin-top:8px}
.login-shell{grid-template-columns:1fr}
.login-intro{padding:25px 25px 30px;gap:30px}
.login-intro h1{font-size:30px}
.login-intro h1 br{display:none}
.login-intro p,.login-intro>small{display:none}
.login-form{padding:35px 25px}
.login-card h2{font-size:25px}
.login-card>small.muted{margin-top:25px}
}
.badge.success{background:#e8f5ef;color:#287551}
.node-observation+.node-observation{margin-top:26px;border-top:1px solid var(--line)}
.observation-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:16px 0}
.observation-grid>div{padding:12px;background:#f8fafc;border:1px solid var(--line);border-radius:8px}
.observation-grid span{display:block;font-size:11px}
.observation-grid strong{display:block;font-size:22px;font-weight:600;margin-top:7px}
.node-observation summary{cursor:pointer;color:var(--blue);font-size:12px;margin:18px 0}