:root{--bg:#f5f6f8;--ink:#17242f;--muted:#7b8591;--line:#e7ebef;--blue:#315ee8;--green:#2c9872;--red:#db605c;--card:#fff;font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);font-size:14px}*{box-sizing:border-box}body{margin:0;background:var(--bg)}[hidden]{display:none!important}button,input,select{font:inherit}button{cursor:pointer;border:0;border-radius:8px;transition:background .15s,transform .15s}button:disabled{opacity:.6;cursor:wait}button:hover:not(:disabled){filter:brightness(.97)}button:focus-visible,a:focus-visible{outline:3px solid #a8baff;outline-offset:3px}input,select{width:100%;min-height:41px;border:1px solid #dfe4ea;border-radius:7px;background:#fff;padding:10px 12px;color:var(--ink)}input:focus,select:focus{outline:2px solid #bccbff;border-color:var(--blue)}input[readonly]{background:#f5f6f8}label{display:flex;flex-direction:column;gap:8px;font-size:13px;font-weight:600}label small{font-weight:400;line-height:1.6;color:var(--muted)}a{color:inherit;text-decoration:none}.primary{background:var(--blue);color:white;padding:12px 19px;font-weight:600;white-space:nowrap}.secondary{background:#fff;color:#475366;padding:10px 16px;border:1px solid #dfe4ea}.link-button{background:none;padding:0;color:var(--muted)}.icon-button{font-size:24px;background:#f5f6f8;width:34px;height:34px;color:var(--muted)}.brand-mark{display:flex;justify-content:center;align-items:center;background:var(--blue);color:white;border-radius:14px;font-size:36px;font-weight:800;width:64px;height:64px;letter-spacing:-4px}.brand-mark span{color:#a5d7ff}.brand-mark.small{width:36px;height:36px;border-radius:9px;font-size:24px;letter-spacing:-2px}.eyebrow{color:#8a94a2;font-size:10px;font-weight:700;letter-spacing:2px;margin-bottom:12px}h1,h2,h3,p{margin-top:0}h1{font-size:28px;letter-spacing:-.9px;font-weight:650;margin-bottom:12px}h2{font-size:17px;letter-spacing:-.3px;margin-bottom:12px}p{color:var(--muted);line-height:1.8}small{font-size:11px}code{font-size:12px;color:#3655a7;background:#f0f3fa;padding:3px 5px;border-radius:4px}pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px;line-height:1.8;background:#f5f7fb;border:1px solid var(--line);padding:16px;border-radius:8px;color:#42506a}hr{border:0;border-top:1px solid var(--line);margin:30px 0}.error{color:var(--red);font-size:13px;min-height:20px;margin:12px 0 0}.muted{color:var(--muted)}.login-view{min-height:100vh;display:grid;place-items:center;background:radial-gradient(ellipse at 20% 20%,#eaf0ff,transparent 50%),var(--bg);padding:30px}.login-card{width:min(100%,420px);background:#fff;border:1px solid var(--line);border-radius:20px;padding:40px;box-shadow:0 20px 80px #1d345208}.login-card .brand-mark{margin-bottom:32px}.login-card h1{font-size:36px}.login-card form{display:grid;gap:20px;margin:30px 0 22px}.login-card small{color:var(--muted)}.app-shell{display:grid;grid-template-columns:218px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:white;border-right:1px solid var(--line);padding:30px 20px;display:flex;flex-direction:column}.brand{display:flex;gap:10px;align-items:center;font-size:17px;font-weight:750;letter-spacing:-.5px;margin-bottom:52px}.brand small{display:block;font-size:10px;color:var(--muted);letter-spacing:1px;margin-top:4px;font-weight:400}.nav-label{font-size:10px;color:#a0a8b1;padding-left:12px;letter-spacing:1px;margin-bottom:12px}nav{display:grid;gap:6px}.nav-item{text-align:left;background:none;padding:13px 12px;color:#6e7987;display:flex;align-items:center;gap:12px;font-size:13px}.nav-item span{font-size:18px;width:20px;text-align:center}.nav-item.active{color:var(--blue);background:#edf2ff;font-weight:650}.sidebar-bottom{margin-top:auto;font-size:11px;color:#8b95a1;line-height:2}.sidebar-bottom small{display:block;margin:8px 0}.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#a7afbb;margin-right:6px;vertical-align:middle}.status-dot.online{background:var(--green)}main{min-width:0}header{height:74px;background:#ffffffa6;border-bottom:1px solid var(--line);padding:0 36px;display:flex;justify-content:space-between;align-items:center}.breadcrumb{font-size:12px;color:var(--muted);display:flex;gap:13px}.breadcrumb span:last-child{color:#465365}.header-right{display:flex;align-items:center;gap:18px;font-size:11px;color:var(--muted)}.avatar{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#e8edfa;color:#6778a5}.page{padding:38px 36px 28px;max-width:1700px;margin:auto}.page-heading{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:30px}.page-heading p{margin-bottom:0;font-size:12px}.title-dot{color:var(--blue);margin-left:4px}.summary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:36px}.summary-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px}.summary-card .label{font-size:12px;color:var(--muted);display:flex;justify-content:space-between;align-items:center}.summary-card .metric{font-size:31px;font-weight:650;letter-spacing:-1px;margin:18px 0 9px;white-space:nowrap}.summary-card .metric small{font-size:12px;font-weight:400;letter-spacing:0;margin-left:6px;color:var(--muted)}.summary-card .caption{font-size:11px;color:var(--muted)}.summary-icon{width:28px;height:28px;border-radius:7px;background:#f3f6fc;color:#7990b8;display:grid;place-items:center;font-size:16px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px}.section-heading h2{margin:0}.section-heading p{font-size:11px;margin:7px 0 0}.filters{display:flex;gap:10px}.filters input{width:205px;font-size:12px}.filters select{width:128px;font-size:12px}.node-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:18px}.node-card{background:white;border:1px solid var(--line);border-radius:12px;overflow:hidden}.node-head{padding:20px 20px 14px;display:flex;justify-content:space-between;align-items:flex-start;gap:10px}.node-name{font-size:14px;font-weight:650;overflow-wrap:anywhere;margin-bottom:6px}.node-group{font-size:10px;color:var(--muted)}.badge{font-size:10px;padding:5px 8px;border-radius:5px;white-space:nowrap;background:#f2f4f7;color:#8992a0}.badge.online{background:#edf8f3;color:var(--green)}.badge.offline{background:#fff0ef;color:var(--red)}.node-body{padding:0 20px 18px}.speed-row{display:grid;grid-template-columns:1fr 1fr;padding:14px 0 19px;border-bottom:1px solid #edf0f4;gap:14px}.speed-label{font-size:10px;color:var(--muted);margin-bottom:8px}.speed-number{font-size:22px;font-weight:600;letter-spacing:-.5px}.speed-number small{font-size:11px;color:var(--muted);font-weight:400;margin-left:5px}.upload{color:#5d78da}.download{color:#43a598}.resources{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:17px 0}.resource-label{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);gap:4px}.bar{height:4px;background:#edf0f5;border-radius:3px;margin-top:8px;overflow:hidden}.bar>span{display:block;height:100%;background:#92a7e5;border-radius:3px}.traffic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;padding-top:3px}.traffic-grid small{display:block;font-size:10px;color:var(--muted);margin-bottom:7px}.traffic-grid strong{font-size:12px;font-weight:600}.quota{margin-top:17px;padding-top:15px;border-top:1px solid #edf0f4}.quota-label{display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}.quota .bar{height:5px}.quota .bar>span{background:var(--blue)}.quota.warning .bar>span{background:#deac4a}.quota.danger .bar>span{background:var(--red)}.node-foot{border-top:1px solid var(--line);padding:12px 20px;background:#fcfdfe;display:flex;justify-content:space-between;align-items:center;font-size:10px;color:#929ba7}.node-actions{display:flex;gap:13px}.node-actions button{padding:0;background:none;color:#74829a;font-size:11px}.node-alert{font-size:10px;color:#bb8443;background:#fff9ef;padding:9px 20px;line-height:1.7}.footnote{color:#a0a8b2;font-size:10px;margin-top:28px;line-height:1.8}.empty{text-align:center;padding:65px 20px;background:white;border:1px dashed #d9e0ea;border-radius:12px}.empty>span{color:var(--blue);font-size:40px}.empty h2{margin-top:18px}.panel{background:white;border:1px solid var(--line);border-radius:12px;padding:26px;margin-bottom:20px}.settings-panel{max-width:850px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px 20px}.check{flex-direction:row;align-items:center;margin-top:24px;font-weight:400}.check input{width:16px;height:16px;min-height:0;accent-color:var(--blue)}.form-actions{display:flex;gap:12px;margin-top:28px;justify-content:flex-end}.settings-panel .form-actions{justify-content:flex-start}.time-input{display:flex;align-items:center;gap:10px}.time-input input{width:80px}.notification-panel{max-width:850px}.table-scroll{overflow:auto}table{border-collapse:collapse;width:100%;font-size:12px;white-space:nowrap}th{text-align:left;background:#f8f9fb;color:var(--muted);font-weight:500}td,th{padding:12px;border-bottom:1px solid var(--line)}td.error-cell{max-width:330px;white-space:normal;overflow-wrap:anywhere;color:var(--red)}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.guide-grid .panel{margin-bottom:20px}.step{display:block;font-size:32px;color:#c0cceb;font-weight:700;margin-bottom:24px}.guide-grid p{font-size:12px}dialog{border:1px solid var(--line);border-radius:15px;padding:30px;width:min(640px,calc(100% - 32px));max-height:90vh;overflow:auto;color:var(--ink);box-shadow:0 20px 80px #15295025}dialog::backdrop{background:#182a4655;backdrop-filter:blur(3px)}.dialog-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px}.dialog-heading h2{margin:0;font-size:21px}.dialog-heading .eyebrow{margin-bottom:8px}.wide-dialog{width:min(900px,calc(100% - 32px))}.secret{font-size:11px}.history-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:22px;font-size:12px;color:var(--muted);line-height:1.8}.chart{width:100%;height:180px;display:block;background:#f7f9fd;border-radius:9px;margin:14px 0}.chart-legend{font-size:11px;color:var(--muted);display:flex;justify-content:space-between;margin-bottom:24px}.chart-legend span{margin-right:14px}.danger-button{color:var(--red);border-color:#f0d1cd}.detail-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#24354d;color:white;border-radius:9px;padding:13px 20px;font-size:13px;z-index:10;box-shadow:0 8px 25px #18283e20;max-width:90vw}@media(min-width:1600px){.node-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:1050px){.app-shell{grid-template-columns:178px minmax(0,1fr)}.sidebar{padding:28px 15px}.page{padding:28px 24px}.summary-grid{grid-template-columns:repeat(2,1fr)}.page-heading h1{font-size:23px}.guide-grid{grid-template-columns:1fr}.section-heading{align-items:flex-start;flex-direction:column}}@media(max-width:650px){.app-shell{display:block}.sidebar{position:static;height:auto;padding:16px;border-right:0;border-bottom:1px solid var(--line)}.brand{margin-bottom:16px}.brand small,.nav-label,.sidebar-bottom{display:none}nav{display:flex;gap:4px}.nav-item{padding:9px 12px;font-size:12px}.nav-item span{font-size:15px}.page{padding:24px 16px}.page-heading{align-items:flex-start;flex-direction:column;margin-bottom:22px}.page-heading h1{font-size:22px}.eyebrow{font-size:9px}.summary-grid{gap:10px;margin-bottom:25px}.summary-card{padding:16px}.summary-card .metric{font-size:25px}.summary-card .caption{font-size:10px}.summary-card .metric small{font-size:10px}header{height:50px;padding:0 16px}.header-right .avatar{display:none}.node-grid{grid-template-columns:1fr}.filters{width:100%}.filters input{width:100%}.filters select{width:130px}.form-grid{grid-template-columns:1fr;gap:17px}dialog{padding:22px}.history-meta{grid-template-columns:1fr}.login-card{padding:30px}.panel{padding:20px}}
#settings-page .settings-panel,#settings-page .notification-panel{width:100%;max-width:none}