:root{--bg:#f3f5f0;--card:#fff;--ink:#1f3a31;--muted:#7d8c84;--line:#e6ebe4;--side:#17352c;--side2:#20443a;--lime:#c6ea8d;
--green:#2f6f58;--ok:#2e7d4f;--okbg:#e4f1e4;--bad:#b4524f;--badbg:#f6e3e1;--warn:#9a7a28;--warnbg:#f6eed6;--blue:#8fa8d8;--mutebg:#eef0ec;--r:16px}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:14px/1.45 "Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;font-weight:650;letter-spacing:-.01em}
h2{font-size:16px} h3{font-size:14px;margin:20px 0 8px}
small,.muted{color:var(--muted)} small{display:block;font-size:12px}
.mono{font-family:ui-monospace,"Cascadia Mono",Consolas,monospace;font-size:12.5px}
.m0{margin:0}
.ico{width:18px;height:18px;flex:none}

/* layout */
.app{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:100vh}
.side{background:var(--side);color:#dbe8e1;padding:22px 14px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow:auto}
.brand{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:700;color:#fff;padding:0 6px 22px}
.brand b{color:var(--lime)} .brand.dark{color:var(--ink);padding:0 0 14px}
.logo{width:36px;height:36px;border-radius:10px;background:var(--lime);color:var(--side);display:grid;place-items:center}
.logo .ico{width:22px;height:22px}
.ws-label,.nav-group{font-size:11px;letter-spacing:.08em;color:#7fa093;padding:0 8px;margin:6px 0}
.ws{display:flex;gap:10px;align-items:center;background:var(--side2);border-radius:12px;padding:12px;margin:6px 0 14px}
.ws strong{display:block;color:#fff} .ws small{color:#8fb0a3}
.ws-ico{width:32px;height:32px;border-radius:9px;background:#2b5246;display:grid;place-items:center;color:var(--lime)}
.side nav a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;margin:2px 0;color:#c8d9d1}
.side nav a:hover{background:var(--side2)}
.side nav a.on{background:var(--lime);color:var(--side);font-weight:600}
.nav-group{margin-top:18px}
.side-foot{margin-top:auto;padding:16px 8px 0;font-size:12px;color:#8fb0a3}
.priv{display:flex;align-items:center;gap:8px;color:#dbe8e1}.priv .ico{margin-left:auto;width:16px;height:16px}
.dot{width:8px;height:8px;border-radius:50%;background:#8bd35b}
.logout{display:flex;gap:8px;align-items:center;margin-top:12px;color:#a9c3b8}.logout:hover{color:#fff}.logout .ico{width:15px;height:15px}
.main{padding:22px 26px 40px;min-width:0;max-width:1280px}
.main>*+*{margin-top:18px}

/* cards */
.card{background:var(--card);border-radius:var(--r);padding:18px 20px;box-shadow:0 1px 0 rgba(23,53,44,.04),0 0 0 1px var(--line)}
.card.flush{padding:0;overflow:hidden}
.card-h{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:10px}
.card-h.pad{padding:18px 20px 6px;margin:0}
.card-f{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin:12px -20px -18px;padding:12px 20px;color:var(--muted);font-size:12px}
.cards4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat-h{display:flex;justify-content:space-between;align-items:center;font-size:13px}
.big{font-size:32px;font-weight:600;margin:8px 0 2px;letter-spacing:-.02em}.unit{font-size:20px;color:var(--muted);margin-left:2px}
.ib{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;font-style:normal}
.ib.g{background:#e3f0e0;color:#3d7a55}.ib.b{background:#e4ecf8;color:#4a6fb0}.ib.o{background:#f8ecd8;color:#b0782b}.ib.p{background:#ece6f8;color:#7254b0}
.big-ib{width:44px;height:44px;border-radius:12px}
.bar{height:4px;border-radius:4px;background:var(--mutebg);margin-top:8px;overflow:hidden}.bar i{display:block;height:100%;background:var(--green)}
.grid-main{display:grid;grid-template-columns:minmax(0,2.1fr) minmax(0,1fr);gap:14px;align-items:start}
.sec-h{display:flex;justify-content:space-between;align-items:center;margin-top:26px!important;margin-bottom:-6px}
.tag{display:inline-block;font-size:11px;font-weight:500;background:var(--mutebg);color:var(--muted);border-radius:6px;padding:1px 7px;vertical-align:middle;margin-left:4px}
.link{display:inline-flex;gap:6px;align-items:center;font-size:13px;font-weight:550}.link .ico{width:15px;height:15px}.link:hover{color:var(--green)}
.back{margin-bottom:-4px}

/* chart */
.legend{display:flex;gap:18px;font-size:12px;color:var(--muted);margin:6px 0}.legend b{color:var(--ink);margin-left:4px}
.sw{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}.sw.rx{background:#1f7a64}.sw.tx{background:var(--blue)}
.chart{position:relative;height:250px}.chart .empty{position:absolute;inset:0;display:grid;place-items:center}
select,input:not([type=checkbox]){font:inherit;color:inherit;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 10px;width:100%}
#range{width:auto}
input:focus,select:focus,.btn:focus-visible,a:focus-visible{outline:2px solid #7fb08f;outline-offset:1px}

/* router health */
.router-img{display:flex;gap:5px;justify-content:center;background:linear-gradient(#e9eee3,#d5dccd);border-radius:10px;padding:16px 18px;margin:6px auto 14px;width:78%;box-shadow:0 8px 14px -8px rgba(23,53,44,.35)}
.router-img i{width:14px;height:14px;background:#2a4a3d;border-radius:3px;border-bottom:3px solid #56806c}
.kv{margin:0}.kv div{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-top:1px solid var(--line);font-size:13px}
.kv dt{color:var(--muted)}.kv dd{margin:0;font-weight:600;text-align:right}
.card .link{margin-top:10px}

/* WAN */
.wan-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.wan{padding:0;overflow:hidden}
.wan-h{display:flex;gap:12px;align-items:center;padding:18px 20px 8px}.wan-h>div{flex:1}.wan-h strong{font-size:16px;display:block}
.wan-rates{display:grid;grid-template-columns:1fr 1fr;padding:6px 20px 16px}
.wan-rates>div+div{border-left:1px solid var(--line);padding-left:20px}
.wan-rates small{display:flex;gap:6px;align-items:center}.wan-rates small .ico{width:13px;height:13px}
.wan-rates b{font-size:26px;font-weight:600;letter-spacing:-.01em}.soft{color:#8da0b8}
.wan-f{display:flex;justify-content:space-between;background:#f7f9f5;border-top:1px solid var(--line);padding:11px 20px;font-size:12px;color:var(--muted)}

/* pills / strip */
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:550;border-radius:999px;padding:4px 11px;white-space:nowrap}
.pill i,.s i{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block}
.pill.ok{background:var(--okbg);color:var(--ok)}.pill.bad{background:var(--badbg);color:var(--bad)}.pill.warn{background:var(--warnbg);color:var(--warn)}.pill.mute{background:var(--mutebg);color:var(--muted)}
.strip{display:flex;gap:26px;align-items:center;flex-wrap:wrap;padding:14px 22px}
.strip .s{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-size:12.5px}.strip .s b{font-size:20px;color:var(--ink);font-weight:600}
.strip .s.ok{color:var(--ok)}.strip .s.bad{color:var(--bad)}.strip .s.warn{color:var(--warn)}.strip .s .ico{width:17px;height:17px}
.strip .push{margin-left:auto}

/* toolbar, rows */
.toolbar{display:flex;gap:12px;align-items:center;padding:16px 18px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.seg{display:inline-flex;background:var(--mutebg);border-radius:12px;padding:3px;gap:2px}
.seg a{display:inline-flex;gap:7px;align-items:center;padding:7px 13px;border-radius:9px;font-size:13px;color:var(--muted)}.seg a .ico{width:15px;height:15px}
.seg a.on{background:#fff;color:var(--ink);box-shadow:0 0 0 2px #9cc3a4;font-weight:600}
.search{position:relative;flex:1;min-width:180px}.search .ico{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted);width:16px;height:16px}.search input{padding-left:36px;background:#f7f9f5}
.row{display:flex;align-items:center;gap:16px;padding:16px 22px;border-bottom:1px solid var(--line)}.row:last-child{border-bottom:0}
a.row:hover{background:#f9fbf7}.row .grow{flex:1;min-width:0}.row strong{font-size:14.5px;display:block}
.row>.ico{color:#a3b2aa;width:16px}.time{color:var(--muted);font-size:12.5px;width:62px;text-align:right}
.star{color:#c9a13a}.star .ico{width:13px;height:13px;fill:currentColor;vertical-align:-1px}
.row.static{cursor:default}.acts{display:flex;gap:6px;flex-wrap:wrap}.err-t{color:var(--bad)}
.empty{padding:28px;text-align:center;color:var(--muted)}
[hidden]{display:none!important}

/* device art (CSS only) */
.dev{width:64px;height:40px;flex:none;border-radius:8px;background:#e7ede3;border:1px solid #d3dccf;position:relative;display:block}
.dev-switch,.dev-router{background:linear-gradient(#eef2ea,#d9e0d3)}
.dev-switch::after,.dev-router::after{content:"";position:absolute;left:7px;right:7px;top:13px;height:11px;background:
 repeating-linear-gradient(90deg,#3a5a4d 0 4px,transparent 4px 6px);border-radius:2px;border-bottom:3px solid #7da08e}
.dev-ap{width:56px;border-radius:50%;height:34px;background:radial-gradient(circle at 50% 40%,#fff,#dde5d8)}
.dev-ap::after{content:"";position:absolute;left:50%;top:50%;width:7px;height:7px;margin:-3px;border:2px solid #7da08e;border-radius:50%}
.dev-server::after,.dev-pc::after,.dev-camera::after,.dev-other::after{content:"";position:absolute;inset:11px 16px;border-radius:3px;background:#7da08e}
.dev-camera{border-radius:50%;width:44px;height:44px}.dev-camera::after{inset:14px;border-radius:50%}
.hrow{display:flex;gap:14px;align-items:center}

/* tree */
.tree{padding:22px}.tree ul{list-style:none;margin:0;padding:0 0 0 30px;border-left:2px dashed #cfd9cb;margin-left:14px}
.tree>ul{border:0;margin:0;padding:0}.tree li{margin:12px 0}
.node{display:inline-flex;align-items:center;gap:14px;padding:8px 14px 8px 10px;border:1px solid var(--line);border-radius:14px;background:#fff}
.node:hover{border-color:#9cc3a4}.node strong{display:block}

/* tables */
.tbl-wrap{overflow-x:auto}
.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th{text-align:left;font-weight:500;color:var(--muted);font-size:12px;background:#f7f9f5;padding:11px 20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:12px 20px;border-bottom:1px solid var(--line);vertical-align:middle}.tbl tr:last-child td{border-bottom:0}
.pager{display:flex;gap:6px;padding:14px 20px;border-top:1px solid var(--line)}.pager a{padding:4px 10px;border-radius:8px;background:var(--mutebg)}.pager a.on{background:var(--side);color:#fff}

/* events */
.ev{display:flex;align-items:center;gap:12px;padding:13px 22px;border-bottom:1px solid var(--line)}.ev span{flex:1}.ev small{white-space:nowrap}
.ev i{width:8px;height:8px;border-radius:50%;background:var(--blue)}.ev.ok i{background:var(--ok)}.ev.warn i{background:#d1a73d}.ev.error i{background:var(--bad)}
.card>.ev{padding-left:0;padding-right:0}

/* forms & buttons */
.form,.pop{display:grid;gap:12px;margin-top:12px}
label{display:grid;gap:5px;font-size:12.5px;color:var(--muted)}
label.chk{display:flex;gap:8px;align-items:center;color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font:inherit;font-weight:600;font-size:13px;padding:9px 16px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;list-style:none}
.btn:hover{border-color:#9cc3a4}.btn.primary{background:var(--side);color:#fff;border-color:var(--side)}.btn.primary:hover{background:#21493c}
.btn.danger{color:var(--bad)}.btn.danger:hover{border-color:var(--bad)}.btn.sm{padding:5px 11px;font-size:12px}.btn.wide{width:100%}
form.inline{display:inline;margin-top:10px}.card form.inline+form.inline{margin-left:8px}
.flash{border-radius:12px;padding:12px 16px;background:var(--okbg);color:var(--ok);font-weight:550}.flash.err{background:var(--badbg);color:var(--bad)}
.note{font-size:12.5px}
details.add{position:relative}details.add summary::-webkit-details-marker{display:none}
details.add .pop{position:absolute;right:0;top:46px;z-index:5;width:340px;background:#fff;border-radius:14px;padding:16px;box-shadow:0 18px 40px -12px rgba(23,53,44,.35),0 0 0 1px var(--line)}

/* auth */
body.auth{display:grid;place-items:center;min-height:100vh;padding:20px}
.auth-card{width:100%;max-width:400px;background:#fff;border-radius:20px;padding:30px;box-shadow:0 0 0 1px var(--line);display:grid;gap:12px}
.auth-card h1{font-size:22px}.auth-card p{margin:0 0 6px}code{background:var(--mutebg);padding:1px 6px;border-radius:5px}

@media(max-width:1000px){.cards4{grid-template-columns:repeat(2,1fr)}.grid-main{grid-template-columns:1fr}}
@media(max-width:820px){.app{grid-template-columns:1fr}.side{position:static;height:auto;padding:14px}.side nav{display:flex;overflow-x:auto;gap:4px}.side nav a{white-space:nowrap}.nav-group,.ws,.ws-label,.side-foot small,.priv{display:none}.side-foot{padding:6px 0 0}.main{padding:16px}.row{flex-wrap:wrap}details.add .pop{position:static;width:100%}}
@media(max-width:520px){.cards4{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}