:root{color-scheme:dark;--bg:#080f1d;--panel:#101c2d;--line:#20334b;--text:#e2edf8;--muted:#8298b1;--cyan:#4de1e2;--red:#ff687c;--yellow:#f0be65}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px 'Segoe UI','Microsoft YaHei',sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer;border:1px solid #429697;background:#183c49;color:var(--cyan);padding:9px 15px;border-radius:6px}button:hover{filter:brightness(1.2)}button:disabled{opacity:.4;cursor:default}button.danger{color:var(--red);border-color:#703d4a;background:#30202d}.ghost{background:transparent;border-color:var(--line);color:var(--muted)}input,select,textarea{width:100%;padding:10px;background:#0b1525;border:1px solid var(--line);border-radius:5px;color:var(--text);outline:none}input:focus,select:focus{border-color:var(--cyan)}label{display:grid;gap:7px;margin:13px 0;color:var(--muted)}input[type=checkbox]{width:auto;margin-right:9px}label.check{display:block}small{font-size:11px;color:var(--muted)}p{color:var(--muted);line-height:1.8}h1,h2,h3{margin:0;font-weight:550}h1{font-size:24px}h2{font-size:18px}h3{font-size:15px}aside{width:218px;position:fixed;inset:0 auto 0 0;border-right:1px solid var(--line);background:#0b1422;padding:30px 18px}.brand{display:flex;gap:12px;align-items:center;margin-bottom:52px;letter-spacing:1.5px}.brand b{font-size:38px;color:var(--cyan)}.brand small{display:block;margin-top:6px;letter-spacing:2px;font-size:10px}.eyebrow{color:#6587a5;letter-spacing:2px;font-size:10px}.brand+ .eyebrow{padding-left:15px}nav{margin-top:14px}nav button{display:block;width:100%;text-align:left;padding:14px;border:0;background:none;color:var(--muted);margin:5px 0}nav button.active{color:var(--cyan);background:#15313f;border-left:2px solid var(--cyan);border-radius:0 5px 5px 0}.aside-bottom{position:absolute;bottom:30px;font-size:11px;color:var(--cyan);line-height:2.5}.dot{display:inline-block;width:6px;height:6px;background:var(--cyan);border-radius:50%;margin-right:5px}main{margin-left:218px;padding:0 32px}header{display:flex;align-items:center;justify-content:space-between;min-height:112px;border-bottom:1px solid var(--line);gap:20px}header h1{margin-top:10px}.header-right{display:flex;gap:12px;align-items:center;font-size:12px;color:var(--muted)}#content{min-height:calc(100vh - 180px);padding:26px 0}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:24px}.stat,.panel,.device{border:1px solid var(--line);background:linear-gradient(125deg,#142337,#0d1828);border-radius:8px}.stat{padding:21px 24px;position:relative;overflow:hidden}.stat:after{content:'';height:2px;background:var(--cyan);position:absolute;bottom:0;left:24px;width:30px}.stat .value{font-size:34px;margin-top:13px;font-variant-numeric:tabular-nums;letter-spacing:1px}.stat small{margin-left:8px}.toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;gap:12px}.devices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.device{padding:21px;cursor:pointer;transition:border-color .2s}.device:hover{border-color:#428397}.device-head{display:flex;justify-content:space-between;align-items:center}.tag{padding:4px 8px;font-size:11px;border:1px solid #285751;color:var(--cyan);border-radius:4px}.tag.off{color:var(--muted);border-color:var(--line)}.tag.critical{color:var(--red);border-color:#703d4a}.tag.warning{color:var(--yellow);border-color:#675536}.device-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0}.device-metrics strong{display:block;font-size:23px;margin:8px 0;font-weight:500}.meter{height:4px;border-radius:3px;background:#21314a;overflow:hidden}.meter span{display:block;background:var(--cyan);height:100%}.device-foot{display:flex;justify-content:space-between;margin-top:14px;font-size:11px;color:var(--muted)}.bottom-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:18px;margin-top:22px}.panel{padding:23px;margin-bottom:18px}.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.flow{display:flex;gap:18px;align-items:center;justify-content:center;min-height:142px}.flow-node{padding:20px;border:1px solid #2f5568;border-radius:8px;text-align:center;color:var(--cyan)}.flow-node small{display:block;margin-top:10px}.flow-arrow{color:#426478;font-size:23px}.flow-arrow.live{color:var(--cyan)}.alert-item{padding:12px 0;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px}.empty{padding:50px 15px;text-align:center;color:var(--muted);line-height:2}.empty b{display:block;font-size:19px;color:#b5cbe0;margin-bottom:10px}table{width:100%;border-collapse:collapse;text-align:left;font-size:13px}th{font-weight:400;color:var(--muted);padding:13px;background:#0c1625}td{padding:14px 13px;border-bottom:1px solid var(--line)}td button{font-size:11px;padding:5px 8px;margin:2px}.table-wrap{overflow:auto}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.metric{background:#0c1727;border:1px solid var(--line);padding:18px;border-radius:6px}.metric b{display:block;font-size:27px;margin:12px 0;color:var(--cyan)}svg.chart{display:block;width:100%;height:240px}.chart text{fill:var(--muted);font-size:11px}.chart line{stroke:var(--line)}.chart polyline{fill:none;stroke:var(--cyan);stroke-width:2}pre{white-space:pre-wrap;word-break:break-all;color:#96c5d3;font:12px/1.8 Consolas,monospace}footer{color:#56728c;font-size:10px;letter-spacing:1px;border-top:1px solid var(--line);padding:16px 0;display:flex;justify-content:space-between}.banner{background:#4a3120;color:#ffd68e;padding:12px;margin-top:15px;border-radius:5px}dialog{width:540px;max-width:95vw;background:#111f31;color:var(--text);border:1px solid #37556e;border-radius:10px;padding:26px}dialog::backdrop{background:#030a14bd;backdrop-filter:blur(4px)}.modal-head{display:flex;justify-content:space-between;align-items:center}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.actions{display:flex;justify-content:flex-end;gap:12px;margin-top:22px}.login{min-height:100vh;display:grid;place-items:center;background:radial-gradient(ellipse at 50% 40%,#17334a 0,transparent 60%)}.login-card{width:430px;max-width:90vw;background:#0e1b2ce8;border:1px solid #29475e;padding:40px;border-radius:12px;box-shadow:0 0 100px #2fe4df09}.login-card h1{margin-top:18px}.login-card button{width:100%;margin:15px 0}.login-card small{display:block;line-height:1.8}#loginError{color:var(--red);margin-top:10px}#toast{position:fixed;right:25px;bottom:25px;background:#234051;border:1px solid #427b8c;padding:14px 22px;z-index:99;border-radius:7px;display:none}.error{color:var(--red)}.hint{font-size:12px;color:var(--muted);line-height:1.9}.chip{color:var(--cyan)}[hidden]{display:none!important}@media(max-width:1100px){.devices{grid-template-columns:repeat(2,1fr)}.header-right #clock{display:none}.metrics{grid-template-columns:repeat(3,1fr)}}@media(max-width:760px){aside{width:70px;padding:15px 6px}.brand span,.aside-bottom,aside>.eyebrow{display:none}nav button{font-size:0;padding:15px 6px}nav button:first-letter{font-size:20px}main{margin-left:70px;padding:0 15px}header{align-items:flex-start;padding:20px 0;flex-direction:column}.stats{grid-template-columns:repeat(2,1fr)}.devices,.bottom-grid{grid-template-columns:1fr}.metrics{grid-template-columns:repeat(2,1fr)}footer span{display:none}}