:root{--navy:#162c46;--blue:#246bfd;--paper:#f0f4f8;--ink:#233b53;--muted:#71849a;--line:#e2e9f1;--green:#158568;--amber:#b66b16;--red:#c33c4a;--white:#fff;--font:Arial,"PingFang SC","Microsoft YaHei",sans-serif;--mono:"SFMono-Regular",Consolas,monospace}
*{box-sizing:border-box}body{margin:0;color:var(--ink);font:14px/1.6 var(--font);background:var(--paper)}[hidden]{display:none!important}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}button:focus-visible,a:focus-visible{outline:3px solid #8bb2ff}button{cursor:pointer}button:disabled{cursor:wait;opacity:.5}a{color:inherit;text-decoration:none}.mono{font-family:var(--mono);font-size:.92em}.muted{color:var(--muted)}.eyebrow{font-size:12px;font-weight:bold;letter-spacing:.12em;color:var(--muted);margin:0 0 14px}h1,h2,h3,p{margin-top:0}h1{font-size:29px;letter-spacing:-.6px;line-height:1.3;margin-bottom:8px}h2{font-size:21px;margin-bottom:10px}h3{font-size:15px;margin-bottom:12px}.brand{display:flex;align-items:center;gap:12px;font-family:"Trebuchet MS",var(--font);font-size:27px;font-weight:bold;line-height:1.1}.brand-mark{width:38px;height:38px;display:grid;place-items:center;background:var(--blue);color:white;border-radius:11px;font-size:28px}.brand-sub{display:block;font-family:var(--font);font-weight:normal;font-size:10px;letter-spacing:2px;margin-top:7px}.shell{display:flex;min-height:100vh}.sidebar{width:214px;position:fixed;inset:0 auto 0 0;background:var(--white);border-right:1px solid var(--line);padding:31px 22px;display:flex;flex-direction:column;z-index:5}.sidebar .brand{margin:0 0 45px 4px}.nav-label{font-size:11px;color:var(--muted);padding-left:14px;margin-bottom:14px}nav{display:grid;gap:6px}nav a{display:flex;gap:13px;align-items:center;padding:12px 14px;border-radius:8px;font-size:13px;color:#63778e;transition:background .15s}nav a:hover{background:var(--paper)}nav a.active{background:#ebf2ff;color:var(--blue);font-weight:600}nav a>span{font-size:19px;width:20px;text-align:center;line-height:1}.sidebar-foot{margin-top:auto;font-size:11px;color:var(--muted);padding-top:30px;white-space:nowrap}.sidebar-foot>span:last-child{float:right}.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);margin-right:7px}.workspace{margin-left:214px;min-width:0;flex:1}.topbar{height:77px;padding:0 38px;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.82);border-bottom:1px solid var(--line);font-size:12px}.top-actions{display:flex;align-items:center;gap:16px}.avatar{display:grid;place-items:center;width:27px;height:27px;background:#dfebfb;border-radius:50%;font-size:11px;font-weight:bold}.text-button,.icon-button{border:0;background:transparent;color:var(--muted);padding:4px}.icon-button{font-size:22px;line-height:1}.text-button:hover{color:var(--blue)}main{max-width:1500px;padding:36px 38px 30px;margin:0 auto;min-height:calc(100vh - 127px)}footer{padding:15px 38px;font-size:11px;color:var(--muted);display:flex;justify-content:space-between}.page-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px;gap:16px}.page-heading p{margin-bottom:0;font-size:13px;color:var(--muted)}.button{display:inline-flex;justify-content:center;align-items:center;gap:9px;padding:10px 17px;border:1px solid var(--line);border-radius:7px;background:white;color:var(--ink);font-weight:500;white-space:nowrap;font-size:13px}.button:hover{border-color:#b7c9e2;background:#fafcff}.button.primary{background:var(--blue);border-color:var(--blue);color:white;box-shadow:0 4px 10px #246bfd20}.button.danger{color:var(--red);border-color:#f0c8cd}.button.small{padding:5px 10px;font-size:12px}.button.ghost{background:transparent}.button-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.panel{background:var(--white);border:1px solid var(--line);border-radius:10px;overflow:hidden}.panel-heading{display:flex;align-items:center;justify-content:space-between;padding:20px 23px;border-bottom:1px solid var(--line);gap:12px}.panel-heading h2,.panel-heading h3{margin:0;font-size:15px}.panel-heading small{font-size:11px;color:var(--muted)}.topology{padding:25px 26px;margin-bottom:22px;background:var(--navy);color:white;border:0;display:flex;align-items:center;gap:26px}.topology-head{min-width:128px;border-right:1px solid #ffffff24;padding-right:22px}.topology-head h3{font-size:15px;margin-bottom:4px}.topology-head small{color:#aec3dc}.topology-path{display:flex;align-items:center;justify-content:space-between;flex:1;gap:18px;min-width:0}.node{min-width:0}.node small{display:block;color:#9ab0cb;font-size:10px;margin-bottom:6px}.node strong{font:13px var(--mono);font-weight:500;word-break:break-word}.wire{height:1px;background:#5479a5;flex:1;min-width:24px;position:relative}.wire:after{content:"";width:5px;height:5px;background:#8eafd8;position:absolute;right:0;top:-2px;transform:rotate(45deg)}.status-pill{display:inline-flex;align-items:center;gap:6px;border-radius:20px;background:#e8f5ef;color:var(--green);padding:3px 9px;font-size:11px;white-space:nowrap}.status-pill.off{background:#edf0f4;color:var(--muted)}.status-pill.warn{background:#fff4e2;color:var(--amber)}.status-pill.bad{background:#ffedf0;color:var(--red)}.status-pill .dot{margin:0;width:5px;height:5px}.topology .status-pill{background:#244b4c;color:#a8e8d5}.topology .status-pill.off{background:#394454;color:#c5d0df}.stats{display:grid;grid-template-columns:repeat(4,1fr);background:var(--white);border:1px solid var(--line);border-radius:10px;margin-bottom:22px;padding:24px 0}.stat{padding:0 25px;border-right:1px solid var(--line)}.stat:last-child{border:0}.stat-label{color:var(--muted);font-size:12px;margin-bottom:6px}.stat-value{font-family:"Trebuchet MS",var(--font);font-size:31px;letter-spacing:-1px;line-height:1.3}.stat-value small{font:12px var(--font);letter-spacing:0;color:var(--muted);margin-left:7px}.stat-note{margin-top:8px;font-size:11px;color:var(--muted)}.grid-2{display:grid;grid-template-columns:minmax(0,1.75fr) minmax(240px,1fr);gap:22px;margin-bottom:22px}.chart{padding:15px 22px 14px;height:225px;position:relative}.chart svg{display:block;width:100%;height:160px;overflow:visible}.chart-labels{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin-top:9px}.chart .no-samples{position:absolute;inset:70px 20px auto;text-align:center;color:var(--muted);font-size:12px}.legend{display:flex;gap:14px;font-size:11px;color:var(--muted)}.legend span:before{content:"";display:inline-block;width:7px;height:7px;border-radius:2px;background:var(--blue);margin-right:5px}.legend span:last-child:before{background:#36b5a2}.info-list{padding:8px 23px}.info-row{display:flex;justify-content:space-between;gap:12px;padding:13px 0;border-bottom:1px solid #eff3f7;font-size:12px}.info-row:last-child{border:0}.info-row>span:first-child{color:var(--muted)}.info-row>span:last-child{text-align:right;max-width:70%;overflow-wrap:anywhere}.toolbar{display:flex;justify-content:space-between;gap:16px;padding:16px 22px;border-bottom:1px solid var(--line)}.search{border:1px solid var(--line);background:#fafbfd;border-radius:6px;padding:8px 12px;min-width:240px;font-size:12px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;white-space:nowrap}th{text-align:left;padding:12px 22px;color:var(--muted);font-size:11px;font-weight:500;background:#fafcfe;border-bottom:1px solid var(--line)}td{padding:16px 22px;font-size:12px;border-bottom:1px solid #edf1f6}tbody tr:last-child td{border-bottom:0}td small{display:block;color:var(--muted);font-size:10px;max-width:180px;overflow:hidden;text-overflow:ellipsis}.user-name{font-weight:600;font-size:13px}.row-actions{display:flex;gap:6px}.row-actions button{border:0;background:transparent;color:var(--blue);font-size:11px;padding:3px 5px}.row-actions .delete{color:var(--red)}.empty{padding:44px 25px;text-align:center;color:var(--muted)}.empty-symbol{font-size:29px;color:#adc0d8;margin-bottom:8px}.empty h3{color:var(--ink);margin:0 0 6px}.empty p{font-size:12px}.notice{background:#edf3fd;border:1px solid #d7e5fc;border-radius:7px;padding:12px 16px;font-size:12px;color:#466588;margin-bottom:22px}.notice.warning{background:#fff6e9;border-color:#f5e4c6;color:#93672f}.settings-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(260px,1fr);gap:22px}.form-content{padding:23px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.form-grid .full{grid-column:1/-1}label{display:block;font-size:12px;font-weight:500;margin-bottom:15px}input,select,textarea{display:block;width:100%;border:1px solid #d7e0eb;border-radius:6px;background:white;color:var(--ink);padding:10px 12px;margin-top:7px;min-height:40px}textarea{resize:vertical;min-height:83px;font-family:var(--mono);font-size:12px}input:focus,select:focus,textarea:focus{outline:2px solid #c2d5ff;border-color:var(--blue)}input:disabled{background:#f5f7fa;color:var(--muted)}label small{display:block;font-weight:400;color:var(--muted);font-size:11px;margin-top:6px}.check-label{display:flex;align-items:center;gap:9px;font-weight:normal}.check-label input{width:16px;min-height:16px;height:16px;margin:0}.form-error{color:var(--red);font-size:12px;min-height:18px;margin-bottom:12px}.form-actions{display:flex;gap:9px;justify-content:flex-end;padding-top:15px;border-top:1px solid var(--line);margin-top:10px}dialog{border:1px solid var(--line);border-radius:12px;width:590px;max-width:calc(100vw - 32px);max-height:90vh;padding:0;color:var(--ink);box-shadow:0 20px 80px #122c4538}dialog::backdrop{background:#142a4559;backdrop-filter:blur(2px)}.dialog-head{display:flex;justify-content:space-between;align-items:center;padding:22px 26px;border-bottom:1px solid var(--line)}.dialog-head h2{font-size:19px;margin:0}.dialog-content{padding:23px 26px}.secret{font-family:var(--mono);background:#f3f7fc;border:1px dashed #acc1dd;border-radius:7px;padding:20px;text-align:center;font-size:23px;letter-spacing:1px;overflow-wrap:anywhere;margin-bottom:18px}.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);z-index:20;background:var(--navy);color:white;padding:12px 22px;box-shadow:0 6px 20px #162c4630;border-radius:8px;font-size:13px}.login-layout{display:grid;grid-template-columns:1fr 1fr;min-height:100vh}.login-story{background:var(--navy);color:white;padding:48px 10%;display:flex;flex-direction:column}.login-story .brand{color:white}.login-copy{margin:auto 0;padding:70px 0}.login-copy .eyebrow{color:#8fadcf}.login-copy h1{font-size:clamp(34px,4vw,54px);font-weight:500;letter-spacing:1px;line-height:1.5;margin-bottom:25px}.login-copy>p{color:#aebfd2;line-height:2}.route-art{display:flex;align-items:center;gap:13px;margin-top:50px;font-size:10px;color:#aec3dd}.route-art i{height:1px;background:#547497;flex:1}.route-art b{padding:15px 12px;border:1px solid #6283ab;border-radius:7px;color:white;font-size:17px;font-family:"Trebuchet MS",var(--font)}.login-story>small{color:#8fadcf;font-size:11px}.login-side{display:grid;place-items:center;background:white;padding:35px}.login-card{width:340px;max-width:100%}.login-card h2{font-size:27px}.login-card>p.muted{font-size:12px;margin-bottom:30px}.login-card .button{width:100%;margin-top:4px;justify-content:space-between;padding:12px 16px}.login-card label{margin-bottom:20px}.login-note{font-size:11px;color:var(--muted);margin-top:20px}.divider{height:1px;background:var(--line);margin:24px 0}.action-card{padding:24px}.action-card p{font-size:12px;color:var(--muted)}.bottom-gap{margin-bottom:22px}
@media(min-width:1500px){main{padding-top:44px}.grid-2{grid-template-columns:2fr 1fr}.topology{padding:30px}}
@media(max-width:1100px){.sidebar{width:180px;padding:28px 14px}.workspace{margin-left:180px}main{padding:28px 24px}.topbar{padding:0 24px}.topology{gap:20px}.topology-head{display:none}.stat{padding:0 18px}.stat-value{font-size:27px}.grid-2{grid-template-columns:1.6fr 1fr}.row-actions{flex-wrap:wrap}}
@media(max-width:800px){.sidebar{position:static;width:100%;padding:16px}.sidebar .brand{margin:0;font-size:24px}.sidebar .brand-sub,.nav-label,.sidebar-foot{display:none}.sidebar nav{display:flex;gap:3px;margin-top:15px;overflow-x:auto}.sidebar nav a{padding:8px 11px;white-space:nowrap;font-size:12px}.sidebar nav a>span{display:none}.shell{display:block}.workspace{margin:0}.topbar{height:58px;padding:0 18px}#breadcrumb{display:none}.top-actions{width:100%;gap:12px}.top-actions #sync-state{margin-right:auto}main{padding:25px 16px}.page-heading{align-items:flex-start}.page-heading h1{font-size:24px}.page-heading p{font-size:11px}.page-heading>.button{padding:9px 11px}.topology{padding:22px 18px}.topology-path{gap:10px}.node strong{font-size:10px}.node small{font-size:9px}.wire{min-width:12px}.stats{grid-template-columns:1fr 1fr;row-gap:25px;padding:22px 0}.stat:nth-child(2){border:0}.stat-label{font-size:11px}.stat-value{font-size:28px}.grid-2,.settings-grid{grid-template-columns:1fr;gap:18px}.toolbar{flex-direction:column;padding:14px 18px}.search{min-width:0;width:100%}th,td{padding:13px 17px}.form-grid{grid-template-columns:1fr;gap:0}.chart{height:220px}footer{padding:16px;font-size:10px}footer>span{display:none}.login-layout{grid-template-columns:1fr}.login-story{padding:25px 30px}.login-copy{padding:35px 0}.login-copy h1{font-size:32px;margin-bottom:12px}.login-copy>p,.route-art,.login-story>small{display:none}.login-side{padding:36px 28px 60px}.login-card{width:100%}.login-copy .eyebrow{font-size:10px}.dialog-content{padding:20px}.dialog-head{padding:20px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}