/* Anson IoT Monitor UI v0.3.0 - dependency-free admin interface */
:root{--nav:#102d49;--nav2:#0d253e;--navtext:#b5c8d9;--brand:#267ad6;--branddark:#145a9f;--ink:#20364d;--muted:#718498;--border:#e1eaf2;--bg:#f3f7fb;--panel:#fff;--green:#16866c;--red:#c44e53;--amber:#b87921;--r:13px;--shadow:0 8px 28px rgba(38,67,104,.035)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;font:14px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei", "Noto Sans SC",sans-serif;background:var(--bg);color:var(--ink)}a{color:var(--brand);text-decoration:none}a:hover{color:var(--branddark)}a,button,input,select{transition:border-color .16s,background-color .16s,color .16s}h1,h2,h3,p{margin-top:0}h1{font-size:25px;line-height:1.35;letter-spacing:-.025em}h2{font-size:17px;margin:0 0 14px}h3{font-size:14px;margin:0 0 10px}p{margin-bottom:12px}small,.muted{color:var(--muted);font-size:12px}strong,b{font-weight:650}button,input,select{font:inherit}button{border:0;cursor:pointer}input:not([type=checkbox]),select{width:100%;padding:10px 12px;border:1px solid #ccd9e5;border-radius:9px;background:white;outline:none;color:var(--ink);min-height:41px}input:focus,select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(38,122,214,.10)}input[type=checkbox]{accent-color:var(--brand)}label{font-weight:550}label input,label select{margin-top:6px;font-weight:400}code,.code-box{font-family:Consolas,"SFMono-Regular",monospace;font-size:12px}code{overflow-wrap:anywhere}form{margin:0}
/* fixed left navigation */
.sidebar{position:fixed;left:0;top:0;bottom:0;width:246px;background:linear-gradient(160deg,var(--nav),var(--nav2));color:var(--navtext);display:flex;flex-direction:column;z-index:50;box-shadow:4px 0 16px rgba(15,43,66,.06)}.brand{height:82px;padding:20px 20px;display:flex;gap:11px;align-items:center;color:white;border-bottom:1px solid rgba(255,255,255,.075)}.brand:hover{color:white}.brand b{display:block;font-size:14px;white-space:nowrap;line-height:1.3;color:#fff}.brand small{display:block;font-size:11px;letter-spacing:.02em;color:#8cabc1;margin-top:6px}.brand-mark{width:40px;height:40px;flex:0 0 40px;border-radius:12px;display:flex;justify-content:center;align-items:center;font-size:22px;font-weight:800;font-family:Georgia,serif;color:#fff;background:linear-gradient(145deg,#65c8d3,#287ed9);box-shadow:0 6px 16px rgba(11,26,40,.12)}.side-scroll{flex:1;overflow:auto;padding:8px 11px 20px}.nav-label{color:#6686a2;font-size:10px;letter-spacing:.13em;font-weight:700;margin:23px 12px 9px}.nav-item{display:flex;align-items:center;gap:12px;border-radius:9px;margin:3px 0;padding:11px 12px;color:var(--navtext);font-weight:540;position:relative}.nav-item:hover{color:white;background:rgba(255,255,255,.06)}.nav-item.active{color:white;background:linear-gradient(90deg,#287bb6,rgba(67,156,210,.24));box-shadow:inset 3px 0 0 #68cfde}.nav-glyph{width:22px;text-align:center;line-height:1;font-size:18px;font-family:"Segoe UI Symbol","Microsoft YaHei",sans-serif;color:#99b8cc}.nav-item.active .nav-glyph{color:#e4ffff}.nav-bubble{font-size:11px;margin-left:auto;background:#cf4c5b;border-radius:11px;color:white;padding:0 7px;min-width:20px;text-align:center}.side-bottom{border-top:1px solid rgba(255,255,255,.08);padding:17px 20px;display:flex;align-items:center;gap:8px;font-size:11px}.side-bottom small{margin-left:auto;color:#84a4bb}.health-dot{height:7px;width:7px;background:#58c6a8;border-radius:50%;box-shadow:0 0 0 4px rgba(57,193,154,.1)}
/* application layout */
.app-frame{margin-left:246px;min-height:100vh;display:flex;flex-direction:column}.topbar{height:64px;background:white;border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 32px;gap:16px}.breadcrumb{font-size:13px;color:var(--muted)}.breadcrumb span{color:#c3cfdb;padding:0 7px}.topbar-actions{display:flex;align-items:center;gap:19px;margin-left:auto;font-size:12px}.topbar-actions>a{color:var(--muted)}.time-badge{background:#eff5fb;border:1px solid #e5eef7;border-radius:6px;padding:3px 9px;color:#54738d}.inline-form{display:inline-flex;margin:0}.top-logout{background:transparent;color:#55738e;padding:5px 0}.top-logout:hover{color:var(--brand)}.content{padding:28px 32px 14px;max-width:1640px;width:100%;margin:0 auto;flex:1}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:24px}.page-heading h1{margin:0 0 4px}.page-heading p{color:var(--muted);font-size:13px;margin:0}.page-heading-actions{flex-shrink:0}.panel{border:1px solid var(--border);border-radius:var(--r);background:var(--panel);padding:22px 24px;margin-bottom:20px;min-width:0;box-shadow:var(--shadow)}.section-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:17px}.section-heading h2{margin:0 0 3px}.section-heading p{color:var(--muted);font-size:12px;margin:0}.section-heading>a{font-size:12px;white-space:nowrap}.footer{text-align:center;padding:17px 24px 24px;color:#90a0b1;font-size:11px}.footer a{color:#7891a5}
/* controls, messages */
.btn,button{display:inline-flex;align-items:center;justify-content:center;min-height:38px;border-radius:8px;padding:8px 15px;font-size:13px;font-weight:600;background:var(--brand);color:white;white-space:nowrap;line-height:1.35}.btn:hover,button:hover{background:var(--branddark);color:white}.btn-soft,.btn.btn-soft{background:#ecf3fa;color:#2a6093}.btn-soft:hover,.btn.btn-soft:hover{background:#dceaf7;color:#155788}.btn-danger,.btn.btn-danger{background:#fdeced;color:#ae3943}.btn-danger:hover{background:#f9d6db;color:#9b2735}.form-inline{display:flex}.topgap{margin-top:12px}.full-button{width:100%;margin-top:10px}.notice{padding:15px 17px;background:#e8f3ff;color:#1d5a8c;border:1px solid #d7eaff;border-radius:10px;margin-bottom:18px;overflow-wrap:anywhere}.notice.error{background:#fff0f0;color:#a63d42;border-color:#f9dddd}.notice-secret code{display:block;margin-top:12px;padding:13px;border:1px solid #bad9f1;background:white;border-radius:6px;color:#26465c;user-select:all}.notice-secret p{margin:12px 0 0}.hint{color:#6f8498;font-size:12px;background:#f5f9fd;border-radius:8px;padding:11px 13px;margin:14px 0 0}.empty-state{padding:31px 18px;text-align:center;color:var(--muted);font-size:13px}.field-tip{display:block;margin-top:5px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px 20px}.span-two{grid-column:span 2}.form-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.form-panel{max-width:920px}.form-grid label{font-size:13px}.confirm{font-size:12px;color:var(--red);display:flex;align-items:center;gap:7px;font-weight:450;margin-bottom:7px}.action-stack{display:flex;gap:13px;flex-wrap:wrap}.danger-zone{border-color:#f0d9dc}.danger-zone h2{color:#b33d49}.secret-details{margin:16px 0}.secret-details summary{color:var(--brand);cursor:pointer}.secret-details code{display:block;margin-top:12px;background:#f6f9fc;padding:13px;border-radius:6px;user-select:all}
/* dashboard metrics */
.metrics-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:20px}.metric-card{background:white;border:1px solid var(--border);border-radius:var(--r);padding:19px 21px;min-height:118px;position:relative;overflow:hidden;box-shadow:var(--shadow)}.metric-card:before{content:"";position:absolute;top:0;left:0;bottom:0;width:3px;background:#bfcee0}.metric-card.tone-blue:before{background:#4b8ed3}.metric-card.tone-green:before{background:#38aa87}.metric-card.tone-red:before{background:#d97178}.metric-card.tone-amber:before{background:#dba84f}.metric-name{font-size:12px;color:var(--muted)}.metric-value{font-size:28px;line-height:1.2;letter-spacing:-.04em;font-weight:730;color:#243b54;margin:9px 0 6px;font-variant-numeric:tabular-nums}.metric-note{font-size:11px;color:#879bad}.dashboard-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:stretch}.dashboard-grid>.panel{min-width:0}.simple-list{margin:0 -5px}.list-row{display:flex;align-items:center;gap:12px;padding:11px 5px;border-bottom:1px solid #f1f4f8;color:var(--ink)}.list-row:last-child{border-bottom:0}.list-row:hover{color:var(--ink);background:#f9fbfd}.item-initial{width:34px;height:34px;border-radius:10px;background:#ecf5fa;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#4481a7;flex-shrink:0}.list-main{display:flex;flex-direction:column;min-width:0;flex:1}.list-main b{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.list-main small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.resource-row{display:block;padding:13px 2px;border-bottom:1px solid #edf2f7;color:var(--ink)}.resource-row:hover{color:var(--ink);background:#f9fbfe}.resource-row:last-child{border-bottom:0}.resource-row>b{font-size:13px}.resource-row>small{display:block;margin-top:7px}.resource-mini{display:flex;gap:18px;flex-wrap:wrap;color:#72859b;font-size:12px;margin-top:5px}.resource-mini b{color:#2c5573;margin-left:3px}.event-row{display:flex;gap:11px;padding:11px 2px;border-bottom:1px solid #f0f3f7}.event-row:last-child{border-bottom:0}.event-row p{margin:0 0 3px;font-size:12px;overflow-wrap:anywhere}.event-mark{height:8px;width:8px;background:#86a9c4;border-radius:50%;margin-top:6px;flex:0 0 8px}.key-lines>div{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;border-bottom:1px solid #eef3f8;padding:12px 0;min-width:0}.key-lines>div:last-child{border:0}.key-lines>div>span{font-size:12px;color:var(--muted)}.key-lines>div>b,.key-lines>div>code{font-size:12px;text-align:right;font-weight:600;min-width:0;overflow-wrap:anywhere}.key-lines.two-column{display:grid;grid-template-columns:repeat(2,1fr);gap:0 26px}
/* devices */
.filters{display:flex;flex-wrap:wrap;align-items:flex-end;gap:10px;margin-bottom:22px}.filters label{font-size:12px;min-width:156px;flex:0 1 180px;color:var(--muted)}.filters label:first-child{flex:1 1 230px;max-width:430px}.filters label span{display:block;margin-bottom:4px}.filters label input,.filters label select{margin:0}.filters .btn{height:41px}.table-scroll{overflow-x:auto;max-width:100%}table{border-collapse:collapse;width:100%;min-width:730px;font-size:12px}thead{background:#f7f9fc}th{font-size:11px;font-weight:650;text-align:left;color:#71869b;white-space:nowrap;padding:13px 12px;border-bottom:1px solid var(--border)}td{padding:15px 12px;border-bottom:1px solid #edf2f7;vertical-align:middle}tbody tr:hover{background:#fbfdff}td .cell-sub{display:block;font-size:11px;margin-top:5px;color:#8a9caf;max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.table-title{color:#284662;font-weight:700;font-size:12px}.cell-actions{white-space:nowrap}.cell-actions a{margin-right:11px}.state-pill{display:inline-flex;align-items:center;gap:7px;background:#eff5fa;color:#637d98;font-size:11px;border-radius:14px;padding:4px 9px;font-weight:650;white-space:nowrap}.state-dot{width:6px;height:6px;border-radius:50%;background:#8da1b3}.state-up{color:#15846a;background:#e9f8f3}.state-up .state-dot{background:#21ae84}.state-down{color:#ba4251;background:#feeff0}.state-down .state-dot{background:#db5361}.state-unknown{color:#af811b;background:#fff8e9}.state-unknown .state-dot{background:#d5a546}.state-paused{color:#71869a;background:#f1f5f8}
/* detail */
.detail-banner{background:white;border:1px solid var(--border);border-radius:var(--r);display:flex;align-items:center;justify-content:space-between;gap:15px;padding:20px 24px;margin-bottom:16px}.detail-banner h2{margin:0}.detail-banner p{margin:8px 0 0;color:var(--muted);font-size:12px}.detail-title{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.tabs{display:flex;gap:7px;overflow-x:auto;border-bottom:1px solid var(--border);margin-bottom:20px;scrollbar-width:thin}.tabs a{display:inline-block;padding:10px 15px 12px;flex:0 0 auto;font-size:13px;font-weight:600;color:#7489a0;border-bottom:2px solid transparent}.tabs a:hover{color:var(--brand)}.tabs a.selected{color:var(--brand);border-bottom-color:var(--brand)}.chart-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:16px 0 8px}.chart-head h3{margin:0}.trend{display:flex;gap:5px;align-items:stretch;min-width:0;padding:12px 0 7px;border-bottom:1px solid #e7edf5;margin-bottom:18px}.trend-slot{flex:1 1 0;min-width:0;text-align:center}.trend-track{height:125px;background:#f3f6f9;border:1px solid #edf1f5;border-radius:5px;position:relative;display:flex;align-items:flex-end;overflow:hidden}.trend-bar{width:100%;border-radius:4px 4px 0 0;min-height:3px}.trend-slot small{display:block;font-size:10px;white-space:nowrap;line-height:1.5;min-height:16px;color:#889cb1}.bar-uptime{background:linear-gradient(180deg,#4dbea1,#249779)}.bar-heartbeat{background:linear-gradient(180deg,#81aaef,#436fd0)}.bar-resource-cpu{background:linear-gradient(180deg,#468fe5,#2363b1)}.bar-resource-memory{background:linear-gradient(180deg,#36b9a8,#168877)}.bar-resource-disk{background:linear-gradient(180deg,#e1ab56,#bb8128)}.bar-unknown{background:#d4dee8}
/* access docs/help */
.code-box{background:#102d49;color:#d8edfb;border-radius:9px;padding:18px;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere;margin:15px 0;font-size:12px}.help-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.help-steps>div{padding:15px;border:1px solid var(--border);border-radius:10px;background:#f9fbfe}.help-steps b{font-size:20px;color:#76a8ce}.help-steps p{margin:7px 0 0;font-weight:650}.help-steps small{display:block;margin-top:4px}details:not(.secret-details){padding:12px 0;border-bottom:1px solid #eaf0f6}details summary{cursor:pointer;color:#2d6dab;font-weight:600;font-size:13px}details p{padding:8px 0;font-size:12px;color:var(--muted)}
/* login */
.login-body{background:radial-gradient(circle at 25% 18%,#e6f2fb,#f3f7fb 49%,#edf3f9);display:flex;align-items:center;justify-content:center}.login-wrap{width:100%;max-width:450px;margin:35px auto;padding:16px}.login-brand{text-align:center;margin-bottom:27px}.login-brand .brand-mark{margin:0 auto 16px;width:56px;height:56px;font-size:29px;border-radius:15px}.login-brand h1{margin-bottom:7px}.login-brand p{color:var(--muted);font-size:13px}.login-card{background:white;border:1px solid #e0e9f4;border-radius:17px;padding:31px 33px;box-shadow:0 14px 45px rgba(33,67,96,.08)}.login-card h2{font-size:19px;margin:0 0 4px}.login-card>p{margin-bottom:18px}.login-card label{display:block;font-size:13px}.login-card .full-button{min-height:43px;margin-top:20px}.login-foot{font-size:11px;text-align:center;color:#95a8b9;margin-top:20px}
/* responsive */
.nav-toggle,.nav-curtain,.menu-trigger{display:none}@media (max-width:1300px){.content{padding:25px 22px}.topbar{padding:0 22px}.dashboard-grid{grid-template-columns:1fr 1fr}.metric-card{padding:17px 16px}}@media (max-width:1020px){.sidebar{width:220px}.app-frame{margin-left:220px}.brand{padding:18px 13px}.brand b{font-size:12px}.content{padding:23px 20px}.metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.dashboard-grid{grid-template-columns:1fr}.help-steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:760px){.sidebar{width:244px;transform:translateX(-100%);transition:transform .2s}.app-frame{margin-left:0}.menu-trigger{display:inline-flex;cursor:pointer;font-size:20px;color:#58778f}.nav-toggle{position:absolute;opacity:0;width:1px;height:1px}.nav-toggle:checked~.sidebar{transform:translateX(0)}.nav-curtain{display:none}.nav-toggle:checked~.nav-curtain{display:block;position:fixed;inset:0;background:rgba(5,24,43,.45);z-index:45}.topbar{height:58px;padding:0 16px}.content{padding:18px 14px}.panel{padding:17px 15px}.page-heading{align-items:flex-start}.page-heading h1{font-size:21px}.time-badge{display:none}.metric-card{min-height:104px;padding:15px}.metric-value{font-size:25px}.form-grid{grid-template-columns:1fr}.span-two{grid-column:auto}.key-lines.two-column{grid-template-columns:1fr}.detail-banner{padding:16px;flex-wrap:wrap}.footer{padding:18px 14px}.filters label{flex:1 1 180px}.filters label:first-child{flex:1 1 100%}}
@media (max-width:430px){.metrics-grid{gap:9px}.metric-card{padding:13px 11px}.metric-value{font-size:23px}.metric-name{font-size:11px}.metric-note{font-size:10px}.topbar-actions{gap:10px}.breadcrumb{font-size:11px}.page-heading{gap:8px}.page-heading .btn{padding:8px 10px}.help-steps{grid-template-columns:1fr 1fr;gap:8px}.trend{gap:3px}.trend-track{height:100px}}
/* Legacy install/upgrade pages retain usable standalone styling. */
body:not(.has-sidebar):not(.login-body) main{max-width:760px;margin:48px auto;padding:0 20px}
body:not(.has-sidebar):not(.login-body) main>section{background:white;border:1px solid var(--border);border-radius:var(--r);padding:27px 31px;box-shadow:var(--shadow)}
body:not(.has-sidebar):not(.login-body) main h1{font-size:23px;margin-bottom:8px}
body:not(.has-sidebar):not(.login-body) main h2{font-size:18px}
body:not(.has-sidebar):not(.login-body) main label{display:block;margin:13px 0}
body:not(.has-sidebar):not(.login-body) main label input{margin-top:5px}
body:not(.has-sidebar):not(.login-body) main p{margin-bottom:13px}
@media(max-width:640px){body:not(.has-sidebar):not(.login-body) main{margin:20px auto;padding:0 12px}body:not(.has-sidebar):not(.login-body) main>section{padding:20px 18px}}