:root{--navy:#11192c;--navy2:#18233b;--bg:#f5f7fb;--card:#fff;--text:#182033;--muted:#778197;--line:#e7ebf2;--blue:#4058df;--green:#20a46b;--orange:#e49728;--violet:#7c58d7;--shadow:0 8px 30px rgba(25,40,75,.06)}*{box-sizing:border-box}body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:var(--bg);color:var(--text)}button,input,select{font:inherit}.app-shell{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:248px;background:linear-gradient(180deg,var(--navy),#0d1424);color:#fff;padding:28px 18px;display:flex;flex-direction:column;z-index:10}.brand{display:flex;align-items:center;gap:12px;padding:0 10px 30px}.brand-mark{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,#6e7eff,#354ede);font-weight:800;font-size:19px;box-shadow:0 8px 18px #0b1020}.brand div,.profile div,.sidebar-foot div{display:flex;flex-direction:column}.brand strong{font-size:17px;letter-spacing:.2px}.brand small,.sidebar-foot small{color:#8995af;margin-top:2px;font-size:11px}nav{display:flex;flex-direction:column;gap:5px}.nav-item{border:0;color:#98a4bc;background:transparent;text-align:left;padding:12px 14px;border-radius:9px;cursor:pointer;display:flex;align-items:center;gap:12px;font-size:14px}.nav-item span{font-size:18px;width:18px;text-align:center}.nav-item:hover,.nav-item.active{background:var(--navy2);color:#fff}.nav-item.active{box-shadow:inset 3px 0 #6074ff}.sidebar-foot{margin-top:auto;border-top:1px solid #24304a;padding:20px 10px 0;display:flex;gap:10px;align-items:center}.sidebar-foot strong{font-size:12px}.status-dot{width:9px;height:9px;background:#2dcc7d;border-radius:50%;box-shadow:0 0 0 4px rgba(45,204,125,.12)}main{margin-left:248px;min-height:100vh}.topbar{height:92px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 36px}.topbar>div:first-child{display:flex;align-items:baseline;gap:12px}.eyebrow{display:none}.topbar h1{font-size:20px;margin:0}.top-actions{display:flex;align-items:center;gap:18px}.health{font-size:12px;color:#4f5a70;background:#f3f7f5;padding:8px 11px;border-radius:20px}.health i{display:inline-block;width:7px;height:7px;background:#22b573;border-radius:50%;margin-right:7px}.icon-btn,.mobile-menu{border:1px solid var(--line);background:#fff;border-radius:9px;width:38px;height:38px;cursor:pointer}.mobile-menu{display:none}.profile{display:flex;align-items:center;gap:9px}.profile>span{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:#e8ebff;color:#4058df;font-weight:700;font-size:12px}.profile strong{font-size:12px}.profile small{font-size:10px;color:var(--muted);margin-top:2px}.view{display:none;padding:30px 36px 50px}.view.active{display:block}.welcome{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.welcome h2,.section-title h2{margin:8px 0 5px;font-size:26px}.welcome p,.section-title p{margin:0;color:var(--muted);font-size:13px}.pill{font-size:10px;color:var(--blue);background:#e9edff;padding:4px 8px;border-radius:15px;font-weight:700}.primary{border:0;background:var(--blue);color:#fff;padding:11px 17px;border-radius:9px;font-weight:650;font-size:13px;cursor:pointer;box-shadow:0 6px 14px rgba(64,88,223,.2)}.primary:hover{background:#334bcc}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:18px}.stats article{background:#fff;border:1px solid var(--line);border-radius:13px;padding:18px;position:relative;box-shadow:var(--shadow);display:flex;flex-direction:column}.stat-icon{position:absolute;right:17px;top:17px;width:34px;height:34px;border-radius:9px;display:grid;place-items:center;font-weight:700}.stat-icon.blue{background:#e9edff;color:var(--blue)}.stat-icon.violet{background:#f0eafe;color:var(--violet)}.stat-icon.green{background:#e6f7ef;color:var(--green)}.stat-icon.orange{background:#fff3e2;color:var(--orange)}.stats span{font-size:12px;color:var(--muted)}.stats strong{font-size:26px;margin:15px 0 8px}.stats strong em{font-style:normal;font-size:13px;color:var(--muted);font-weight:600}.stats small{font-size:11px;color:#9098aa}.stats small b{color:var(--green)}.grid-two{display:grid;grid-template-columns:1.35fr 1fr;gap:18px;margin-bottom:18px}.panel{background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow)}.panel-head{padding:18px 20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.panel-head h3{font-size:14px;margin:0 0 4px}.panel-head p{font-size:11px;color:var(--muted);margin:0}.panel-head select,.filters button{border:1px solid var(--line);background:#fff;border-radius:7px;padding:7px 9px;color:#5d6679;font-size:11px}.text-btn{border:0;background:none;color:var(--blue);font-size:11px;cursor:pointer}.chart{height:255px;position:relative;padding:20px 18px 30px 60px}.chart svg{width:100%;height:190px;overflow:visible;background:repeating-linear-gradient(to bottom,transparent 0,transparent 46px,#edf0f5 47px)}.chart .area{fill:url(#area)}.chart .line{fill:none;stroke:var(--blue);stroke-width:3;vector-effect:non-scaling-stroke}.y-labels{position:absolute;left:16px;top:17px;bottom:28px;display:flex;flex-direction:column;justify-content:space-between;font-size:9px;color:#99a1b1}.x-labels{display:flex;justify-content:space-between;font-size:9px;color:#99a1b1;margin-top:5px}.node-list{padding:4px 20px}.node-row{display:grid;grid-template-columns:38px 1fr auto 45px;align-items:center;gap:9px;padding:16px 0;border-bottom:1px solid var(--line)}.node-row:last-child{border:0}.flag{width:34px;height:34px;border-radius:9px;background:#f3f5f9;display:grid;place-items:center}.node-row div{display:flex;flex-direction:column}.node-row strong{font-size:12px}.node-row small{font-size:9px;color:var(--muted);margin-top:4px}.node-row .metric{text-align:right;margin-right:5px}.online,.warning,.offline{display:inline-flex;align-items:center;justify-content:center;width:max-content;font-size:9px;padding:4px 7px;border-radius:12px;font-weight:650}.online{color:#198454;background:#e7f7ef}.warning{color:#b3710d;background:#fff2dc}.offline{color:#7d8492;background:#edf0f4}.recent .activity{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:18px 20px}.activity>div{display:flex;gap:10px}.avatar{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;flex:0 0 auto;font-size:11px;font-weight:700}.blue-bg{background:#e9edff;color:var(--blue)}.green-bg{background:#e6f7ef;color:var(--green)}.violet-bg{background:#f0eafe;color:var(--violet)}.activity p{font-size:11px;line-height:1.55;margin:0}.activity small{display:block;color:var(--muted);margin-top:5px}.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:23px}.filters{display:flex;gap:10px;margin-bottom:13px}.filters input{flex:1;max-width:360px;border:1px solid var(--line);border-radius:8px;padding:10px 13px;background:#fff}.table-wrap{overflow:hidden}table{border-collapse:collapse;width:100%;text-align:left}th{font-size:10px;color:#8891a3;background:#fafbfc;padding:12px 18px;border-bottom:1px solid var(--line)}td{padding:15px 18px;border-bottom:1px solid var(--line);font-size:12px}td>strong{display:block}td>small{display:block;color:var(--muted);font-size:9px;margin-top:4px}.progress{width:120px;height:5px;border-radius:4px;background:#e9edf3;margin-bottom:5px}.progress i{display:block;height:100%;background:var(--blue);border-radius:4px}.more{border:0;background:transparent;color:#737c8e;cursor:pointer}.node-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.node-card{background:#fff;border:1px solid var(--line);border-radius:13px;padding:19px;box-shadow:var(--shadow)}.node-card-head{display:grid;grid-template-columns:45px 1fr auto;gap:10px;align-items:center;border-bottom:1px solid var(--line);padding-bottom:17px}.flag.large{width:43px;height:43px;font-size:20px}.node-card h3{margin:0;font-size:14px}.node-card p{margin:4px 0 0;color:var(--muted);font-size:10px}.node-card dl{display:grid;grid-template-columns:1fr 1fr;margin:17px 0}.node-card dl div{display:flex;flex-direction:column;padding:10px 0}.node-card dt{color:var(--muted);font-size:10px}.node-card dd{margin:5px 0 0;font-size:13px;font-weight:700}.card-actions{display:flex;gap:8px}.card-actions button{flex:1;border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px;font-size:11px;cursor:pointer}.admin-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.role-card{padding:24px}.role-card>span{font-size:22px;color:var(--blue)}.role-card h3{font-size:15px;margin:14px 0 8px}.role-card p{font-size:11px;color:var(--muted);line-height:1.6;min-height:36px}.role-card strong{font-size:11px}.add-role{border-style:dashed;background:transparent;box-shadow:none}.settings-form{max-width:760px;padding:24px;display:grid;grid-template-columns:1fr 1fr;gap:20px}.settings-form label{font-size:11px;font-weight:650}.settings-form input,.settings-form select{width:100%;margin-top:8px;padding:10px;border:1px solid var(--line);border-radius:8px;background:#fff}.toggle-line{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:18px}.toggle-line span{display:flex;flex-direction:column}.toggle-line small{color:var(--muted);font-weight:400;margin-top:4px}.toggle-line input{width:17px;margin:0}.modal{position:fixed;inset:0;background:rgba(8,14,28,.58);z-index:50;display:none;place-items:center;padding:20px;backdrop-filter:blur(4px)}.modal.open{display:grid}.modal-card{width:min(520px,100%);background:#fff;border-radius:18px;padding:28px;position:relative;box-shadow:0 25px 80px rgba(0,0,0,.25)}.modal-close{position:absolute;right:18px;top:14px;border:0;background:none;font-size:24px;color:#778197;cursor:pointer}.modal-icon{width:44px;height:44px;display:grid;place-items:center;background:#e9edff;color:var(--blue);font-size:20px;border-radius:12px}.modal-card h2{margin:16px 0 5px;font-size:20px}.modal-card>p{margin:0 0 20px;color:var(--muted);font-size:12px}.pair-steps{border:1px solid var(--line);border-radius:11px;overflow:hidden}.pair-steps>div{display:grid;grid-template-columns:28px 1fr auto;gap:10px;align-items:center;padding:13px;border-bottom:1px solid var(--line)}.pair-steps>div:last-child{border:0}.pair-steps>div>span{width:25px;height:25px;display:grid;place-items:center;border-radius:50%;background:#eef1f7;color:#647087;font-size:10px;font-weight:700}.pair-steps p{margin:0;display:flex;flex-direction:column;gap:3px}.pair-steps strong{font-size:10px;color:var(--muted)}code{font-family:"SFMono-Regular",Consolas,monospace;color:#27334c;font-size:12px}.pair-steps button{border:1px solid var(--line);background:#fff;border-radius:6px;padding:6px 9px;color:var(--blue);font-size:10px;cursor:pointer}.pair-steps .code-step{background:#f7f8ff}.code-step code{font-size:22px;font-weight:800;letter-spacing:2px;color:var(--blue)}.code-step small{color:var(--muted);font-size:9px}.security-note{background:#fff7e8;border:1px solid #f9e2b7;border-radius:9px;padding:12px;margin:16px 0}.security-note strong{font-size:11px;color:#97600e}.security-note p{font-size:10px;color:#806a49;margin:3px 0 0;line-height:1.5}.full{width:100%}.toast{position:fixed;left:50%;bottom:30px;transform:translate(-50%,20px);background:#11192c;color:#fff;padding:10px 16px;border-radius:8px;font-size:11px;opacity:0;pointer-events:none;transition:.2s;z-index:70}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:1050px){.stats{grid-template-columns:1fr 1fr}.grid-two{grid-template-columns:1fr}.node-cards{grid-template-columns:1fr 1fr}.recent .activity{grid-template-columns:1fr}.admin-grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.sidebar{transform:translateX(-100%);transition:.2s}.sidebar.open{transform:none}.mobile-menu{display:inline-grid;place-items:center}.topbar{padding:0 18px}.topbar>div:first-child{align-items:center}.health,.icon-btn,.profile div{display:none}main{margin-left:0}.view{padding:22px 18px}.welcome,.section-title{align-items:flex-start;gap:16px}.welcome h2,.section-title h2{font-size:21px}.stats{grid-template-columns:1fr}.node-cards,.admin-grid{grid-template-columns:1fr}.settings-form{grid-template-columns:1fr}.table-wrap{overflow:auto}.traffic-panel{display:none}.topbar h1{font-size:17px}}
.login-screen{position:fixed;inset:0;z-index:100;background:radial-gradient(circle at 70% 20%,#e8ebff 0,transparent 35%),linear-gradient(135deg,#f7f8fc,#eef1f8);display:none;place-items:center;padding:20px}.login-screen.show{display:grid}.login-card{width:min(410px,100%);background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px;box-shadow:0 30px 90px rgba(22,32,60,.15)}.login-brand{display:flex;align-items:center;gap:11px;margin-bottom:28px}.login-brand>span{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,#6e7eff,#354ede);color:#fff;font-weight:800}.login-brand div{display:flex;flex-direction:column}.login-brand small{font-size:10px;color:var(--muted)}.login-card h2{margin:0 0 6px}.login-card>p{color:var(--muted);font-size:12px;margin:0 0 22px}.login-card label{display:block;font-size:11px;font-weight:700;margin:14px 0}.login-card input{width:100%;margin-top:7px;border:1px solid var(--line);border-radius:9px;padding:11px 12px;outline:none}.login-card input:focus{border-color:var(--blue);box-shadow:0 0 0 3px #edf0ff}.login-card button{margin-top:8px}.login-card button:disabled{opacity:.55}.login-error{min-height:18px;color:#c43d46;font-size:10px;text-align:center;margin-top:10px}.empty{padding:28px;text-align:center;color:var(--muted);font-size:12px}.empty-card{padding:40px;grid-column:1/-1}.table-wrap td small{display:block}
.secondary{border:1px solid var(--line);background:#fff;color:var(--text);padding:10px 16px;border-radius:9px;font-size:13px;cursor:pointer}.row-actions{display:flex;gap:5px;white-space:nowrap}.row-actions button,.table-wrap td>button{border:1px solid var(--line);background:#fff;border-radius:6px;padding:5px 7px;font-size:9px;cursor:pointer;color:#536079}.form-modal{z-index:80}.form-modal .modal-card{width:min(620px,100%);max-height:92vh;overflow:auto}.form-fields{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin:20px 0}.form-fields label{font-size:11px;font-weight:700}.form-fields input,.form-fields select{width:100%;margin-top:7px;border:1px solid var(--line);border-radius:8px;padding:10px;background:#fff}.node-picker{grid-column:1/-1;border:1px solid var(--line);border-radius:10px;padding:13px}.node-picker>strong{font-size:11px}.node-picker>small{display:block;color:var(--muted);font-size:9px;margin:4px 0 10px}.node-picker>div{display:grid;grid-template-columns:1fr 1fr;gap:7px}.node-picker label{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:8px;padding:8px;cursor:pointer}.node-picker label input{width:auto;margin:0}.node-picker label span{font-size:11px}.node-picker label small{display:block;color:var(--muted);font-size:8px;margin-top:2px}.node-picker p{grid-column:1/-1;color:var(--muted);font-size:10px;margin:4px}.form-error{min-height:18px;color:#c43d46;font-size:10px;margin-bottom:5px}.role-card .card-actions{margin-top:16px}@media(max-width:600px){.form-fields,.node-picker>div{grid-template-columns:1fr}.row-actions{flex-direction:column}}
.install-command{display:flex;gap:8px;align-items:center;background:#11192c;color:#dce3f4;border-radius:9px;padding:10px 11px;margin:14px 0}.install-command code{color:#dce3f4;font-size:9px;line-height:1.45;overflow-wrap:anywhere}.install-command button{flex:0 0 auto;border:0;background:#4058df;color:#fff;border-radius:6px;padding:7px 9px;font-size:9px;cursor:pointer}
.qr-card{text-align:center;width:min(420px,100%)}.qr-card h2{margin-top:0}.qr-card>p{margin-bottom:12px}.qr-card img{display:block;width:min(260px,80vw);height:auto;margin:0 auto 14px;border:1px solid var(--line);border-radius:12px}.qr-card code{display:block;background:#f5f7fb;border:1px solid var(--line);border-radius:8px;padding:10px;margin-bottom:14px;font-size:9px;overflow-wrap:anywhere;text-align:left}