:root{--bg:#f5f7fa;--surface:#fff;--surface-muted:#f8fafc;--line:#e4e9ef;--line-strong:#d4dde7;--text:#172230;--text-2:#405064;--muted:#778496;--muted-2:#9aa7b5;--brand:#176b68;--brand-strong:#0e5653;--brand-soft:#e8f4f3;--blue:#2969c7;--green:#16845d;--amber:#b8780e;--red:#c44545;--shadow:0 1px 2px rgba(20,38,57,.03),0 8px 24px rgba(20,38,57,.045);font-family:Inter,"Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;color-scheme:light}
*{box-sizing:border-box}html,body{min-height:100%}body{margin:0;background:var(--bg);color:var(--text)}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}
.app-shell{min-height:100vh;display:grid;grid-template-columns:248px minmax(0,1fr)}.sidebar{position:fixed;inset:0 auto 0 0;z-index:20;width:248px;display:flex;flex-direction:column;padding:24px 16px 18px;background:var(--surface);border-right:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:11px;padding:4px 12px 34px}.brand>span:last-child{display:flex;flex-direction:column;line-height:1}.brand strong{color:#1d2c3d;font-size:15px;font-weight:800;letter-spacing:.15em}.brand small{margin-top:6px;color:var(--brand);font-size:9px;letter-spacing:.33em}.brand-mark{position:relative;width:31px;height:31px;transform:rotate(30deg)}.brand-mark i{position:absolute;width:18px;height:18px;border:2px solid var(--brand);border-radius:4px}.brand-mark i:nth-child(1){left:0;top:7px}.brand-mark i:nth-child(2){left:9px;top:0;opacity:.65}.brand-mark i:nth-child(3){left:11px;top:12px;opacity:.3}
#main-nav{display:grid;gap:3px}#main-nav a{position:relative;display:flex;align-items:center;gap:12px;min-height:44px;padding:0 13px;color:var(--muted);border:1px solid transparent;border-radius:7px;font-size:13px;transition:.15s}#main-nav a:hover{color:var(--text-2);background:var(--surface-muted)}#main-nav a.active{color:var(--brand-strong);background:var(--brand-soft);border-color:#d2e9e7;font-weight:650}#main-nav a.active:before{position:absolute;left:-17px;width:3px;height:22px;content:"";border-radius:0 3px 3px 0;background:var(--brand)}.nav-icon{display:grid;place-items:center;width:20px;height:20px;color:var(--brand);font:17px/1 ui-monospace,monospace}#main-nav b{margin-left:auto;min-width:19px;padding:3px 6px;color:#fff;background:var(--red);border-radius:10px;font-size:10px;text-align:center}#main-nav b:empty{display:none}
.system-state{display:flex;align-items:center;gap:10px;margin-top:auto;padding:13px 12px;background:var(--surface-muted);border:1px solid var(--line);border-radius:7px}.system-state div{display:flex;flex-direction:column;gap:4px;min-width:0}.system-state strong{font-size:11px;font-weight:650}.system-state small{color:var(--muted);font-size:9px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pulse-dot{width:8px;height:8px;flex:0 0 auto;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(22,132,93,.1)}.sidebar-version{padding:17px 4px 0;color:var(--muted-2);font-size:9px;text-align:center}
.main{grid-column:2;min-width:0}.topbar{position:sticky;top:0;z-index:10;height:64px;display:flex;align-items:center;padding:0 38px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line)}.breadcrumb{color:var(--text-2);font-size:13px;font-weight:650}.breadcrumb:before{content:"MONITOR  /  ";color:var(--muted-2);font-size:10px;font-weight:500;letter-spacing:.06em}.top-actions{display:flex;align-items:center;gap:12px;margin-left:auto}.last-refresh{color:var(--muted);font-size:10px}.icon-button,.menu-button{display:grid;place-items:center;border:1px solid var(--line);color:var(--text-2);background:var(--surface);cursor:pointer}.icon-button{width:32px;height:32px;border-radius:6px;font-size:17px}.icon-button:hover{color:var(--brand);border-color:#9accc9}.menu-button{display:none;width:34px;height:34px;margin-right:12px;border-radius:6px}.avatar{display:grid;place-items:center;width:31px;height:31px;color:var(--brand-strong);background:var(--brand-soft);border:1px solid #cfe7e4;border-radius:50%;font-size:10px;font-weight:800}.content{width:min(1560px,100%);margin:0 auto;padding:30px 38px 52px}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:25px}.eyebrow{margin:0 0 7px;color:var(--brand);font-size:10px;font-weight:700;letter-spacing:.14em;text-transform:uppercase}h1{margin:0;color:var(--text);font-size:clamp(24px,2.6vw,32px);font-weight:700;letter-spacing:-.035em}.page-head p:last-child{margin:8px 0 0;color:var(--muted);font-size:12px}.page-tools{display:flex;gap:8px;align-items:center}.button,.select,.search{height:36px;border:1px solid var(--line-strong);border-radius:6px;color:var(--text-2);background:var(--surface);outline:none}.button{padding:0 14px;cursor:pointer;font-size:11px}.button:hover{color:var(--brand-strong);border-color:#8fc5c1}.button.primary{color:#fff;background:var(--brand);border-color:var(--brand);font-weight:650}.button.primary:hover{background:var(--brand-strong)}.button.ghost{color:var(--muted)}.select{padding:0 30px 0 11px;font-size:11px}.search{min-width:250px;padding:0 12px;font-size:11px}.search::placeholder{color:var(--muted-2)}
.onboarding{display:flex;align-items:center;gap:16px;margin-bottom:18px;padding:16px 18px;border-left:3px solid var(--brand);background:linear-gradient(90deg,#f1f8f7 0%,#fff 68%)}.onboarding-icon{display:grid;place-items:center;width:34px;height:34px;flex:0 0 auto;color:var(--brand);border:1px solid #b9dcda;border-radius:50%;background:#fff;font-size:16px;font-weight:700}.onboarding h2{margin:0;color:var(--text);font-size:14px;font-weight:700}.onboarding p:not(.eyebrow){margin:4px 0 0;color:var(--muted);font-size:11px}.onboarding .eyebrow{margin:0 0 4px;font-size:9px}.onboarding .button{margin-left:auto;flex:0 0 auto}
.dashboard-grid > section.panel .empty{min-height:128px}.dashboard-grid > div .panel .empty{min-height:104px}
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:18px}.metric-card,.panel{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow)}.metric-card{min-height:130px;padding:17px 18px;border-radius:8px}.metric-card:after{display:none}.metric-card .label{color:var(--muted);font-size:11px}.metric-card .value{margin-top:14px;color:var(--text);font:600 31px/1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:-.055em}.metric-card .unit{margin-left:5px;color:var(--muted);font-size:11px;letter-spacing:0}.metric-card .foot{display:flex;align-items:center;gap:7px;margin-top:15px;color:var(--muted);font-size:9px}.metric-card .foot i{width:5px;height:5px;border-radius:50%;background:currentColor}.metric-card.total{border-top:2px solid var(--blue)}.metric-card.online{border-top:2px solid var(--green)}.metric-card.abnormal{border-top:2px solid var(--amber)}.metric-card.offline{border-top:2px solid var(--red)}.metric-card.total .value{color:var(--blue)}.metric-card.online .value{color:var(--green)}.metric-card.abnormal .value{color:var(--amber)}.metric-card.offline .value{color:var(--red)}
.dashboard-grid{display:grid;grid-template-columns:minmax(0,1.75fr) minmax(300px,.85fr);gap:16px}.panel{min-width:0;border-radius:8px}.panel-head{display:flex;align-items:center;min-height:54px;padding:0 17px;border-bottom:1px solid var(--line)}.panel-head h2{margin:0;color:var(--text);font-size:12px;font-weight:700}.panel-head small{margin-left:auto;color:var(--muted);font-size:10px}.panel-head a:hover{color:var(--brand)}.panel-body{padding:16px 17px}.panel+.panel{margin-top:16px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th{height:39px;color:var(--muted-2);font-size:9px;font-weight:650;letter-spacing:.07em;text-align:left;text-transform:uppercase;white-space:nowrap}td{height:55px;border-top:1px solid #edf0f4;color:var(--text-2);font-size:11px;white-space:nowrap}tr.clickable{cursor:pointer;transition:background .12s}tr.clickable:hover{background:#f6fafb}.robot-cell{display:flex;align-items:center;gap:9px}.robot-glyph{display:grid;place-items:center;width:28px;height:28px;border:1px solid #cae2e0;border-radius:6px;color:var(--brand);background:#f0f8f7;font:14px ui-monospace,monospace}.robot-cell strong{display:block;color:var(--text);font-size:11px;font-weight:650}.robot-cell small{display:block;margin-top:3px;color:var(--muted);font-size:9px}.status{display:inline-flex;align-items:center;gap:6px;padding:4px 7px;border-radius:4px;font-size:9px;font-weight:600}.status:before{width:5px;height:5px;content:"";border-radius:50%;background:currentColor}.status.online{color:var(--green);background:#eaf6f0}.status.abnormal{color:var(--amber);background:#fff6e3}.status.offline{color:var(--red);background:#fff0ef}.value-good{color:var(--green)}.value-warn{color:var(--amber)}.value-danger{color:var(--red)}.muted{color:var(--muted)}
.feed{display:grid}.feed-item{display:grid;grid-template-columns:8px minmax(0,1fr);gap:10px;padding:12px 0;border-bottom:1px solid #edf0f4}.feed-item:last-child{border:0}.feed-dot{width:7px;height:7px;margin-top:4px;border-radius:50%;background:var(--blue)}.feed-dot.warning{background:var(--amber)}.feed-dot.critical,.feed-dot.error{background:var(--red)}.feed-item strong{display:block;color:var(--text-2);font-size:10px;font-weight:600;line-height:1.5}.feed-item small{display:block;margin-top:4px;color:var(--muted);font-size:9px}
.filter-bar{display:flex;align-items:center;gap:9px;margin-bottom:14px}.filter-bar .count{margin-left:auto;color:var(--muted);font-size:10px}.large-table.panel{padding:0 17px 7px}.large-table td{height:63px}.progress{width:72px;height:4px;margin-top:6px;overflow:hidden;border-radius:2px;background:#e8edf2}.progress i{display:block;height:100%;background:var(--brand);border-radius:inherit}
.detail-top{display:grid;grid-template-columns:1.15fr 2fr;gap:16px;margin-bottom:16px}.identity-card{display:flex;align-items:center;gap:16px;padding:20px}.identity-glyph{display:grid;place-items:center;width:58px;height:58px;flex:0 0 auto;color:var(--brand);border:1px solid #cae2e0;border-radius:10px;background:#f0f8f7;font:26px ui-monospace}.identity-card h2{margin:0 0 5px;color:var(--text);font-size:17px}.identity-card p{margin:0 0 11px;color:var(--muted);font-size:10px}.identity-meta{display:flex;flex-wrap:wrap;gap:8px 14px;color:var(--text-2);font-size:9px}.mini-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;overflow:hidden}.mini-metric{padding:18px;background:var(--surface-muted)}.mini-metric small{display:block;margin-bottom:11px;color:var(--muted);font-size:9px}.mini-metric strong{color:var(--text);font:600 21px ui-monospace,monospace}.mini-metric em{color:var(--muted);font-size:9px;font-style:normal}.chart-panel{margin-bottom:16px}.range-tabs{display:flex;gap:2px;margin-left:auto}.range-tabs button{padding:5px 9px;color:var(--muted);background:transparent;border:0;border-radius:4px;cursor:pointer;font-size:9px}.range-tabs button.active{color:var(--brand-strong);background:var(--brand-soft)}.chart-wrap{position:relative;height:270px;padding:13px 10px 1px}.chart{width:100%;height:100%;overflow:visible}.chart .grid{stroke:#e8edf2;stroke-width:1}.chart .line{fill:none;stroke-width:2;vector-effect:non-scaling-stroke}.chart .area{opacity:.08}.chart-legend{display:flex;flex-wrap:wrap;gap:16px;padding:0 18px 16px;color:var(--muted);font-size:9px}.chart-legend i{display:inline-block;width:14px;height:2px;margin:0 6px 3px 0}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.joint-list{display:grid;grid-template-columns:repeat(2,1fr);gap:6px}.joint-item{display:flex;align-items:center;padding:9px 10px;color:var(--text-2);background:var(--surface-muted);border:1px solid #edf1f4;border-radius:5px;font-size:9px}.joint-item span:last-child{margin-left:auto;color:var(--text);font:600 10px ui-monospace}
.alert-list{display:grid;gap:8px}.alert-card{display:grid;grid-template-columns:3px minmax(0,1fr) auto;gap:13px;align-items:center;padding:15px 16px;background:var(--surface);border:1px solid var(--line);border-radius:7px;box-shadow:var(--shadow)}.alert-severity{width:3px;height:40px;border-radius:2px;background:var(--amber)}.alert-card.critical .alert-severity{background:var(--red)}.alert-card h3{margin:0 0 6px;color:var(--text);font-size:12px;font-weight:650}.alert-card p{margin:0;color:var(--muted);font-size:9px}.alert-actions{display:flex;gap:6px}.alert-actions .button{height:29px;padding:0 10px;font-size:9px}.stats-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:16px}.ranking{display:grid;gap:14px}.rank-item{display:grid;grid-template-columns:22px 1fr auto;gap:9px;align-items:center}.rank-number{color:var(--muted);font:11px ui-monospace}.rank-label{color:var(--text-2);font-size:10px}.rank-bar{height:4px;margin-top:6px;overflow:hidden;border-radius:2px;background:#e8edf2}.rank-bar i{display:block;height:100%;background:var(--brand);border-radius:inherit}.rank-value{color:var(--amber);font:12px ui-monospace}
.empty{display:grid;place-items:center;min-height:170px;padding:28px;color:var(--muted);text-align:center}.empty-symbol{display:grid;place-items:center;width:38px;height:38px;margin:0 auto 11px;color:var(--muted-2);border:1px solid var(--line-strong);border-radius:50%;font-size:15px}.empty p{margin:0;font-size:11px}.loading-page{display:grid;place-items:center;min-height:60vh;color:var(--muted);font-size:11px}.loader{width:26px;height:26px;border:2px solid #dbe9e8;border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-page{max-width:520px;margin:12vh auto;padding:30px;text-align:center}.error-page h2{margin:0 0 10px;color:var(--text);font-size:20px}.error-page p{color:var(--muted);font-size:11px;line-height:1.7}.toast-stack{position:fixed;right:20px;bottom:20px;z-index:50;display:grid;gap:8px}.toast{min-width:250px;padding:12px 15px;color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:6px;box-shadow:var(--shadow);font-size:10px;animation:toast-in .25s ease}.toast.error{border-color:#efb4b1}@keyframes toast-in{from{opacity:0;transform:translateY(8px)}}
@media (max-width:1100px){.metric-grid{grid-template-columns:repeat(2,1fr)}.dashboard-grid,.stats-grid{grid-template-columns:1fr}.detail-top{grid-template-columns:1fr}}@media (max-width:760px){.app-shell{grid-template-columns:1fr}.main{grid-column:1}.sidebar{transform:translateX(-100%);transition:transform .2s ease;box-shadow:20px 0 50px rgba(20,38,57,.15)}.sidebar.open{transform:translateX(0)}.menu-button{display:grid}.topbar{height:60px;padding:0 16px}.last-refresh{display:none}.content{padding:23px 16px 42px}.page-head{align-items:flex-start;flex-direction:column}.page-tools,.filter-bar{width:100%;flex-wrap:wrap}.search{min-width:0;flex:1}.metric-grid{gap:9px}.metric-card{min-height:113px;padding:15px}.metric-card .value{font-size:28px}.detail-grid{grid-template-columns:1fr}.mini-grid{grid-template-columns:repeat(2,1fr)}.alert-card{grid-template-columns:3px minmax(0,1fr)}.alert-actions{grid-column:2}}@media (max-width:430px){.metric-grid{grid-template-columns:1fr}.metric-card{min-height:98px}.metric-card .value{margin-top:10px}.metric-card .foot{margin-top:9px}}
/* HDS health layer and refreshed visual language */
:root{--bg:#eef3f7;--surface:#fff;--surface-muted:#f6f9fb;--line:#dfe7ee;--line-strong:#c7d4df;--text:#102235;--text-2:#3f556a;--muted:#718396;--muted-2:#9aabba;--brand:#0f766e;--brand-strong:#095b56;--brand-soft:#e4f4f1;--blue:#2867cf;--green:#16845d;--amber:#b86b08;--red:#c03945;--shadow:0 10px 30px rgba(25,53,78,.07),0 2px 5px rgba(25,53,78,.04)}
body{background:radial-gradient(circle at 85% -10%,#dcefeb 0,transparent 34%),var(--bg)}
.sidebar{width:264px;padding:28px 18px 20px;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);box-shadow:12px 0 35px rgba(25,53,78,.04)}.app-shell{grid-template-columns:264px minmax(0,1fr)}.brand{padding:4px 14px 42px}.brand strong{font-size:16px;letter-spacing:.17em}.brand small{font-size:9px}.brand-mark i{border-width:2px}
#main-nav{gap:6px}#main-nav a{min-height:48px;padding:0 15px;border-radius:10px;font-size:13px}#main-nav a.active{box-shadow:inset 0 0 0 1px rgba(15,118,110,.08),0 4px 12px rgba(15,118,110,.08)}#main-nav a.active:before{left:-19px;height:25px;width:4px}.nav-icon{width:22px;height:22px}
.system-state{padding:15px 13px;border-radius:10px;background:linear-gradient(135deg,#f0faf7,#f7fbfd)}.sidebar-version{padding-top:20px}
.topbar{height:72px;padding:0 46px;background:rgba(255,255,255,.82);backdrop-filter:blur(14px)}.breadcrumb{font-size:14px}.content{width:min(1640px,100%);padding:38px 46px 64px}.page-head{margin-bottom:30px}.page-head h1{font-size:clamp(28px,3vw,40px);letter-spacing:-.045em}.page-head p:last-child{font-size:13px}
.metric-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;margin-bottom:22px}.metric-card{min-height:144px;padding:21px;border-radius:13px;position:relative;overflow:hidden}.metric-card:after{display:block;position:absolute;right:-25px;bottom:-35px;width:110px;height:110px;border:1px solid currentColor;border-radius:50%;content:"";opacity:.07}.metric-card .label{font-size:12px}.metric-card .value{margin-top:18px;font-size:35px}.metric-card .foot{margin-top:18px;font-size:10px}.metric-card.hds{border-top:2px solid #7a55c7;color:#7a55c7}.metric-card.hds .value{color:#6843b5}
.panel,.metric-card{border-color:rgba(201,214,224,.8);box-shadow:var(--shadow)}.panel{border-radius:13px}.panel-head{min-height:60px;padding:0 21px}.panel-head h2{font-size:13px}.panel-body{padding:20px 21px}th{height:44px;font-size:10px}td{height:62px;font-size:12px}tr.clickable:hover{background:#f0f8f7}.robot-glyph{width:32px;height:32px;border-radius:8px}.robot-cell{gap:11px}.robot-cell strong{font-size:12px}.robot-cell small{font-size:10px}.status{padding:5px 8px;border-radius:6px;font-size:10px}
.dashboard-grid{gap:20px}.dashboard-grid > section.panel .empty{min-height:160px}.dashboard-grid > div .panel .empty{min-height:128px}.feed-item{padding:14px 0}.feed-item strong{font-size:11px}.feed-item small{font-size:10px}.filter-bar{margin-bottom:16px}.button,.select,.search{height:40px;border-radius:8px}.button{padding:0 16px;font-size:12px}.select,.search{font-size:12px}.search{min-width:280px}
.detail-top{gap:20px;margin-bottom:20px}.identity-card{padding:24px;border-radius:13px}.identity-glyph{width:64px;height:64px;border-radius:13px;font-size:29px}.identity-card h2{font-size:19px}.identity-meta{font-size:10px}.mini-metric{padding:21px}.mini-metric small{font-size:10px}.mini-metric strong{font-size:23px}.chart-panel{margin-bottom:20px}.chart-wrap{height:300px;padding-top:18px}.detail-grid{gap:20px}.joint-item{padding:11px 13px;border-radius:8px;font-size:10px}.joint-item span:last-child{font-size:11px}
.alert-list{gap:12px}.alert-card{padding:18px 19px;border-radius:11px;gap:15px}.alert-card h3{font-size:13px}.alert-card p{font-size:10px}.alert-card.hds-alert{border-left:3px solid #7a55c7;background:linear-gradient(90deg,#faf8ff,#fff)}.alert-card.hds-alert .alert-severity{background:#7a55c7}.alert-actions .button{height:32px;font-size:10px}.source-badge{display:inline-flex;align-items:center;padding:4px 8px;border-radius:999px;font-size:10px;font-weight:650}.source-badge.good{color:var(--green);background:#e8f7ef}.source-badge.danger{color:var(--red);background:#fff0f1}.source-badge.muted{color:var(--muted);background:#eef2f5}.hds-panel{grid-column:1/-1}.hds-explainer p{margin:14px 0 0;color:var(--muted);font-size:11px}.hds-flow{display:flex;align-items:center;gap:10px;color:var(--brand-strong);font-size:11px;font-weight:650}.hds-flow b{color:var(--muted-2)}.hds-fault-list{display:grid;gap:9px}.hds-fault{display:flex;align-items:flex-start;gap:10px;padding:11px 12px;border-radius:8px;background:#fff7f7;border:1px solid #f5dfe2}.hds-fault.warning{background:#fffaf1;border-color:#f2e5c5}.hds-fault i{width:7px;height:7px;margin-top:5px;flex:0 0 auto;border-radius:50%;background:var(--red)}.hds-fault.warning i{background:var(--amber)}.hds-fault strong{display:block;color:var(--text-2);font-size:11px}.hds-fault small{display:block;margin-top:4px;color:var(--muted);font-size:10px}.hds-state{padding:13px 14px;border-radius:8px;font-size:11px}.hds-state.danger{color:var(--red);background:#fff0f1;border:1px solid #f3d6da}
@media (max-width:1200px){.app-shell{grid-template-columns:232px minmax(0,1fr)}.sidebar{width:232px}.content{padding-left:30px;padding-right:30px}.topbar{padding:0 30px}.metric-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:760px){.app-shell{grid-template-columns:1fr}.sidebar{width:264px}.topbar{height:64px;padding:0 16px}.content{padding:25px 16px 44px}.metric-grid{grid-template-columns:repeat(2,1fr)}.metric-card{min-height:122px;padding:17px}.metric-card .value{font-size:29px}.search{min-width:0}.hds-panel{grid-column:auto}}
@media (max-width:430px){.metric-grid{grid-template-columns:1fr}.metric-card{min-height:105px}.metric-card .value{margin-top:11px;font-size:28px}}
.remote-form{display:grid;grid-template-columns:1.2fr 1.2fr .7fr .8fr auto auto;gap:10px;align-items:center}.remote-form .search{min-width:0;width:100%}.diagnostic-message{max-width:780px;white-space:normal;line-height:1.5;font-family:ui-monospace,monospace;font-size:11px}@media (max-width:1100px){.remote-form{grid-template-columns:1fr 1fr 1fr 1fr}.remote-form .button{width:100%}}@media (max-width:600px){.remote-form{grid-template-columns:1fr}.diagnostic-message{max-width:300px}}

/* Fleet-inspired sign-in, with Robot Monitor branding and server-side sessions. */
.login-root[hidden],.app-shell[hidden]{display:none!important}.login-root{min-height:100vh;background:#fafbf7;color:#24322b}.login-page{min-height:100vh;display:grid;grid-template-columns:minmax(0,1fr) minmax(420px,1fr)}.login-art{position:relative;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;padding:48px clamp(32px,7vw,88px);background:#eaf0e4;color:#466137}.login-brand{display:flex;align-items:center;gap:12px;color:#24322b;font-size:16px;font-weight:700}.login-brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:9px;background:#37684b;color:#fff;font-size:17px}.login-brand small{display:block;margin-top:4px;color:#7b857e;font-size:9px;font-weight:500;letter-spacing:.16em}.login-art-main{max-width:520px;padding:48px 0}.login-eyebrow{margin:0 0 20px;color:#839570;font-size:10px;font-weight:700;letter-spacing:.18em}.login-art h1{margin:0 0 20px;color:#466137;font-size:42px;font-weight:550;line-height:1.5}.login-art p{max-width:340px;margin:0;color:#7e9070;font-size:13px;line-height:2}.login-capabilities{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:35px;color:#738666;font-size:11px}.login-capabilities span{display:flex;align-items:center;gap:8px}.login-capabilities i{width:7px;height:7px;border:1px solid #77926d;border-radius:2px}.login-footer{color:#89987e;font-size:9px;letter-spacing:.18em}.login-form-wrap{display:flex;align-items:center;justify-content:center;padding:32px}.login-form{width:min(340px,100%)}.login-form .login-eyebrow{margin-bottom:12px}.login-form h2{margin:0 0 10px;color:#26372b;font-size:24px;font-weight:600}.login-form>p{margin:0 0 30px;color:#899287;font-size:12px;line-height:1.9}.login-field{display:grid;gap:8px;margin:20px 0;color:#57645a;font-size:12px}.login-field input{width:100%;height:44px;padding:0 13px;border:1px solid #dfe5dc;border-radius:6px;background:#fff;color:#24322b;font-size:13px}.login-field input:focus{border-color:#83a78a;outline:2px solid #dce9dc}.login-submit{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;height:44px;margin-top:12px;border-radius:6px;background:#37684b;color:#fff;font-size:12px;font-weight:650}.login-submit:hover{background:#234f37}.login-submit:disabled{opacity:.65;cursor:wait}.login-error{min-height:18px;margin:8px 0;color:#b44743;font-size:11px}.login-lock{display:flex;align-items:center;gap:9px;margin-top:22px;padding-top:17px;border-top:1px solid #e7ebe5;color:#879187;font-size:10px;line-height:1.6}.login-lock-mark{display:grid;place-items:center;width:17px;height:17px;border:1px solid #9aaa95;border-radius:50%;font-size:10px}
@media(max-width:850px){.login-page{grid-template-columns:1fr}.login-art{min-height:290px;padding:28px 30px}.login-art-main{padding:36px 0 10px}.login-art h1{font-size:31px}.login-capabilities{margin-top:22px}.login-footer{display:none}.login-form-wrap{padding:42px 28px 50px}}
@media(max-width:430px){.login-art{min-height:250px;padding:24px}.login-art-main{padding:30px 0 0}.login-art-main .login-eyebrow{display:none}.login-art h1{font-size:27px}.login-art p{font-size:12px}.login-form-wrap{padding:34px 24px 42px}.login-form h2{font-size:21px}}

/* Use familiar device and metric symbols with visible, labeled readings. */
body{background:var(--bg)}
.nav-icon,.ui-icon{display:inline-grid;place-items:center;flex:0 0 auto}
.nav-icon svg,.ui-icon{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.menu-button svg,.icon-button svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.brand-mark{transform:none;border-radius:8px;background:var(--brand);color:#fff}
.brand-mark i{display:none}
.brand-mark:before{content:"R";color:#fff;font:700 16px/1 system-ui,sans-serif;transform:none}
.metric-card,.panel{box-shadow:0 1px 3px rgba(25,53,78,.06)}
.metric-card{border-radius:7px}
.panel{border-radius:7px}
.onboarding{background:#fff;border-left-color:#37684b}
.onboarding-icon{border-radius:8px;background:#eaf0e4;color:#37684b}
.onboarding-icon .ui-icon{width:21px;height:21px}
.section-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 0 14px}
.section-heading h2{margin:0;color:var(--text);font-size:16px;font-weight:700}
.section-heading p{margin:5px 0 0;color:var(--muted);font-size:11px}
.section-heading .button{display:inline-flex;align-items:center;gap:8px;flex:0 0 auto}
.section-heading .ui-icon,.details-link .ui-icon{width:15px;height:15px}
.device-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.device-card{min-width:0;padding:16px;background:#fff;border:1px solid var(--line);border-radius:7px;cursor:pointer;transition:border-color .15s,box-shadow .15s}
.device-card:hover,.device-card:focus-visible{border-color:#8eaf94;box-shadow:0 2px 10px rgba(36,74,48,.08);outline:none}
.device-card-head{display:flex;align-items:center;gap:11px;min-height:39px}
.device-avatar{display:grid;place-items:center;width:38px;height:38px;flex:0 0 auto;border-radius:7px;background:#edf3ec;color:#37684b}
.device-avatar .ui-icon{width:23px;height:23px}
.device-name{min-width:0;flex:1}
.device-name strong{display:block;overflow:hidden;color:var(--text);font-size:13px;font-weight:700;text-overflow:ellipsis;white-space:nowrap}
.device-name small{display:block;overflow:hidden;margin-top:4px;color:var(--muted);font-size:10px;text-overflow:ellipsis;white-space:nowrap}
.device-primary-metrics{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:15px}
.device-primary-metrics>div{min-width:0;padding:12px;background:#f7f9f6;border:1px solid #edf0eb;border-radius:6px}
.device-metric-label{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:10px}
.device-metric-label .ui-icon{width:15px;height:15px}
.device-primary-metrics strong{display:block;margin-top:10px;color:var(--text);font-size:21px;font-weight:700;line-height:1.2}
.device-battery.good strong,.device-temperature.good strong{color:#37684b}
.device-battery.warning strong,.device-temperature.warning strong{color:#a96a12}
.device-battery.danger strong,.device-temperature.danger strong{color:#b44743}
.device-temperature small{display:block;margin-top:5px;color:var(--muted);font-size:9px}
.meter{height:5px;margin-top:10px;overflow:hidden;border-radius:3px;background:#e3e8e1}
.meter i{display:block;height:100%;border-radius:inherit;background:#56805b}
.device-battery.warning .meter i{background:#c38b32}.device-battery.danger .meter i{background:#bd5350}
.device-secondary-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin-top:11px}
.device-secondary-metrics>span{display:flex;align-items:center;gap:5px;min-width:0;color:var(--muted);font-size:9px;white-space:nowrap}
.device-secondary-metrics .ui-icon{width:14px;height:14px}
.device-secondary-metrics b{overflow:hidden;color:var(--text-2);font-weight:650;text-overflow:ellipsis}
.device-card-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:13px;padding-top:11px;border-top:1px solid #edf0eb;color:var(--muted);font-size:9px}
.device-card-foot>span{display:flex;align-items:center;gap:5px;min-width:0}
.device-card-foot .ui-icon{width:13px;height:13px}
.details-link{color:#37684b;font-weight:650;white-space:nowrap}
.empty-state{display:grid;justify-items:center;padding:34px 18px;background:#fff;border:1px solid var(--line);border-radius:7px;text-align:center}
.empty-illustration{display:grid;place-items:center;width:60px;height:60px;border-radius:10px;background:#edf3ec;color:#37684b}
.empty-illustration .ui-icon{width:34px;height:34px}
.empty-state h3{margin:16px 0 6px;color:var(--text);font-size:14px}
.empty-state p{max-width:390px;margin:0 0 16px;color:var(--muted);font-size:11px;line-height:1.7}
.robot-glyph{display:grid;place-items:center}
.robot-glyph .ui-icon{width:19px;height:19px}
.identity-glyph{display:grid;place-items:center}
.identity-glyph .ui-icon{width:31px;height:31px}
.status{border-radius:4px}
@media(max-width:950px){.device-grid{grid-template-columns:1fr}.dashboard-grid{grid-template-columns:1fr}}
@media(max-width:760px){.device-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.section-heading{align-items:flex-start}.section-heading .button{height:34px;padding:0 10px}}
@media(max-width:560px){.device-grid{grid-template-columns:1fr}.device-card{padding:14px}.section-heading h2{font-size:14px}.section-heading p{max-width:240px;line-height:1.6}}
.metric-card:after{display:none!important}
.dashboard-support-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:22px}
.dashboard-support-grid>.panel{margin:0}
.device-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,360px),420px));align-items:start}
.metric-card.hds{border-top-color:var(--blue);color:var(--blue)}
.metric-card.hds .value{color:var(--blue)}
@media(max-width:950px){.dashboard-support-grid{grid-template-columns:1fr 1fr}.device-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,330px),420px))}}
@media(max-width:600px){.dashboard-support-grid{grid-template-columns:1fr}.device-grid{grid-template-columns:minmax(0,420px)}}
.dashboard-support-grid{align-items:start}
.dashboard-support-grid .empty{min-height:76px;padding:18px}
.breadcrumb:before{content:"机器人平台  /  "}
@media(max-width:430px){.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.metric-card{min-height:91px;padding:12px}.metric-card .value{margin-top:9px;font-size:24px}.metric-card .foot{margin-top:8px;font-size:8px}.metric-card:last-child{grid-column:1/-1}}

/* Match Fleet Studio's shared workspace palette and navigation rhythm. */
:root{--bg:#f5f6f3;--surface:#fff;--surface-muted:#f7f8f5;--line:#e3e7e0;--line-strong:#d7ddd4;--text:#24322b;--text-2:#46534a;--muted:#7b857e;--muted-2:#98a097;--brand:#37684b;--brand-strong:#234f37;--brand-soft:#e9f0e6;--blue:#37684b;--green:#37684b;--amber:#a66c23;--red:#b44743;--shadow:0 1px 3px rgba(36,50,43,.045),0 8px 24px rgba(36,50,43,.035)}
body{background:var(--bg);font-family:Inter,"Segoe UI","Microsoft YaHei",system-ui,sans-serif}
.app-shell{grid-template-columns:236px minmax(0,1fr)}
.sidebar{width:236px;padding:30px 20px 24px;background:#fafbf8;border-color:var(--line)}
.brand{padding:0 10px 38px}
.brand strong{color:var(--text);font-size:17px;letter-spacing:0}
.brand small{color:var(--muted);letter-spacing:.2em}
.brand-mark{width:35px;height:35px;border-radius:11px;background:var(--brand)}
#main-nav{gap:5px}
#main-nav a{min-height:44px;padding:0 14px;border-radius:9px;font-weight:500}
#main-nav a.active{color:var(--brand-strong);background:var(--brand-soft);border-color:transparent;font-weight:650}
#main-nav a.active:before{display:none}
#main-nav a:hover{background:#edf1ea}
.system-state{background:#f4f6f2;border-color:var(--line);border-radius:9px}
.pulse-dot{box-shadow:none}
.main{background:var(--bg)}
.topbar{height:83px;padding:0 42px;background:#fff;border-color:var(--line)}
.breadcrumb{font-size:13px}
.icon-button,.menu-button{border-color:var(--line);border-radius:8px;background:#fff}
.icon-button:hover{color:var(--brand-strong);border-color:#a8b9a9}
.content{width:min(1560px,100%);padding:34px 42px 56px}
.page-head{margin-bottom:28px}
.page-head h1{font-size:27px;font-weight:600;letter-spacing:0}
.page-head p:last-child{font-size:12px;line-height:1.8}
.eyebrow{letter-spacing:.12em}
.button,.select,.search{height:40px;border-color:var(--line-strong);border-radius:8px;font-size:12px}
.button{padding:0 15px}
.button:hover{color:var(--brand-strong);border-color:#a8b9a9;background:#f7f8f5}
.button.primary{background:var(--brand);border-color:var(--brand)}
.button.primary:hover{background:var(--brand-strong)}
.onboarding{border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:10px;background:#fff}
.onboarding-icon{border-color:#dfe8d8;border-radius:9px;background:#edf2e8;color:var(--brand)}
.metric-card,.panel{box-shadow:0 1px 3px rgba(36,50,43,.045)}
.metric-card{border-radius:11px}
.metric-card.total{border-top-color:var(--brand)}
.metric-card.total .value,.metric-card.hds .value{color:var(--brand)}
.metric-card.online{border-top-color:#78936d}
.metric-card.abnormal{border-top-color:var(--amber)}
.metric-card.offline{border-top-color:var(--red)}
.metric-card .value{font-family:inherit;font-weight:550;letter-spacing:0}
.metric-card .foot{font-size:10px}
.panel{border-radius:11px}
.panel-head{min-height:58px}
.panel-head h2{font-size:13px}
.device-card{border-radius:11px;box-shadow:0 1px 3px rgba(36,50,43,.035)}
.device-card:hover,.device-card:focus-visible{border-color:#b7c7b4;box-shadow:0 3px 12px rgba(36,50,43,.08)}
.device-avatar,.onboarding-icon{background:#edf2e8;color:var(--brand)}
.device-primary-metrics>div{background:#f7f8f5;border-color:#edf0e9}
.device-battery.good strong,.device-temperature.good strong,.details-link{color:var(--brand)}
.meter i{background:#78936d}
.empty-state{border-radius:11px}
.alert-card{border-radius:11px}
.alert-card.hds-alert{border-left-color:var(--brand);background:#f7f9f5}
.alert-card.hds-alert .alert-severity{background:var(--brand)}
.hds-flow{color:var(--brand-strong)}
.hds-fault{border-radius:9px}
.source-badge.muted{background:#f0f2ee}
@media(max-width:1200px){.sidebar{width:232px}.topbar{padding-right:30px;padding-left:30px}.content{padding-right:30px;padding-left:30px}}
@media(max-width:760px){.app-shell{grid-template-columns:minmax(0,1fr)}.sidebar{width:264px}.topbar{height:64px;padding:0 16px}.content{padding:25px 16px 44px}.onboarding{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:start;gap:12px}.onboarding .button{grid-column:1/-1;justify-self:start;margin:0}}