:root{font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:#252d3c;background:#f5f6f8;font-synthesis:none;color-scheme:light;--bg:#f5f6f8;--card:#fff;--sidebar:#fff;--text:#252d3c;--muted:#737d8c;--border:#e7e9ee;--accent:#168672;--soft:#edf6f2;--warn:#986615;--warn-bg:#fff5e2;--danger:#b44e4e;--danger-bg:#fff0ee;--stage:#151d26;--radius:14px}
:root[data-theme="dark"]{color-scheme:dark;--bg:#14191f;--card:#1c232b;--sidebar:#181e25;--text:#e2e7ee;--muted:#9aa5b2;--border:#303842;--accent:#6bd5b4;--soft:#203c34;--warn:#efc578;--warn-bg:#3c3224;--danger:#f49b94;--danger-bg:#3b2a2b;--stage:#10151b}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--text)}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button,a,summary{touch-action:manipulation}a{color:inherit;text-decoration:none}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button{border:0;border-radius:8px;background:var(--accent);color:var(--card);padding:11px 16px;font-size:13px}p,h1,h2,h3{margin:0}[hidden]{display:none!important}.svg-library{position:absolute;width:0;height:0;overflow:hidden}.icon{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.skip-link{position:fixed;top:-80px;left:240px;z-index:50;padding:12px;background:var(--card)}.skip-link:focus{top:12px}
.sidebar{position:fixed;inset:0 auto 0 0;width:224px;background:var(--sidebar);border-right:1px solid var(--border);padding:35px 20px;display:flex;flex-direction:column;z-index:10}.brand{display:flex;align-items:center;gap:11px;padding:0 9px}.logo{display:flex;position:relative;align-items:center;font-size:32px;font-weight:850;line-height:1;color:var(--accent);letter-spacing:-4px;padding-right:6px}.logo>span{font-size:19px;position:absolute;right:-3px;top:-6px}.brand strong{font-size:23px;letter-spacing:-1.1px;font-weight:700}.brand-dot{color:var(--accent)}.brand small{display:block;font-size:8px;letter-spacing:1.8px;color:var(--muted);margin-top:6px}.workspace{display:flex;align-items:center;gap:9px;padding:15px 11px;margin:36px 0 29px;border:1px solid var(--border);border-radius:10px}.workspace-dot{width:7px;height:7px;background:var(--accent);border-radius:50%;flex-shrink:0}.workspace strong{font-size:11px;font-weight:600}.workspace 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9px;color:var(--accent);background:var(--soft);font-size:10px;line-height:1.5}.tag.muted{color:var(--muted);background:var(--bg)}.tag.warning{color:var(--warn);background:var(--warn-bg)}.tag.danger{color:var(--danger);background:var(--danger-bg)}.banner{border:1px solid var(--border);border-radius:8px;padding:11px 14px;margin-bottom:18px;font-size:12px;background:var(--card);color:var(--accent)}.banner.offline{background:var(--warn-bg);border-color:transparent;color:var(--warn)}.demo-banner{color:var(--warn);background:var(--warn-bg)}.bookmark-tip{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:11px;line-height:1.7;color:var(--accent);background:var(--soft);border-radius:8px;padding:8px 14px;margin-bottom:14px}.bookmark-tip button{background:transparent;color:inherit;font-size:20px;padding:0 8px;min-height:28px}.card{min-width:0;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px}.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px}h2{font-size:13px;font-weight:600;letter-spacing:.1px}.section-title{display:flex;align-items:center;gap:9px}.section-title .icon{color:var(--muted);width:17px}.secondary{color:var(--muted);font-size:11px;line-height:1.9;overflow-wrap:anywhere}.monitor-grid{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(270px,1fr);gap:20px;align-items:stretch}.camera{padding:0;overflow:hidden;display:flex;flex-direction:column}.camera .section-head{padding:17px 20px;margin:0}.camera-stage{position:relative;aspect-ratio:16/9;background:var(--stage);display:flex;align-items:center;justify-content:center;color:#c3cbd3;text-align:center;min-height:0;flex:1}.camera-stage 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.section-head{margin-bottom:25px}.task-eyebrow{font-size:9px;letter-spacing:1.6px;color:var(--muted)}h3{font-size:20px;line-height:1.6;font-weight:600;overflow-wrap:anywhere;margin-top:8px}.task .secondary{margin-top:7px}.progress-heading{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin-top:22px}.progress-heading strong{color:var(--accent);font-size:13px;font-weight:600}.progress-track{height:5px;overflow:hidden;border-radius:5px;background:var(--bg);margin:10px 0}.progress-track>div{height:100%;background:var(--accent);border-radius:inherit;transition:width .25s}#progress-text{font-size:10px;color:var(--muted);line-height:1.7}dl{display:grid;grid-template-columns:68px minmax(0,1fr);gap:12px;font-size:10px;margin:23px 0 15px;padding-top:18px;border-top:1px solid var(--border)}dt{color:var(--muted)}dd{margin:0;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.task-identity{font-size:10px;color:var(--muted)}summary{cursor:pointer;line-height:2}.task-identity p{font:10px/1.7 Consolas,monospace;overflow-wrap:anywhere;padding:8px 0}.footnote{font-size:10px;color:var(--muted);line-height:1.8;margin-top:16px}.task>.footnote{margin-top:auto;padding-top:17px;font-size:9px}.devices-section{margin-top:29px}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:17px;gap:10px}.section-heading h2{font-size:17px;margin-top:6px}.section-heading 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canvas{width:100%;height:100%;display:block}#chart-empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:11px;color:var(--muted)}.chart-footer{display:flex;justify-content:space-between;font-size:9px;color:var(--muted);margin-top:12px}.temperature-card>.footnote{font-size:9px}.device{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--border)}.device:first-child{padding-top:0}.device:last-child{border-bottom:0}.device>div:first-child{min-width:0;flex:1}.device strong{font-size:10px;font-weight:500}.device small{display:block;color:var(--muted);font-size:9px;margin-top:4px;line-height:1.6;overflow-wrap:anywhere}.device .value{font-size:10px;text-align:right;flex:0 0 45%;min-width:0;overflow-wrap:anywhere;line-height:1.6}.devices .section-head{margin-bottom:16px}.devices .footnote{font-size:9px;margin-top:12px}.events-card{margin-top:24px}.events-card h2{font-size:16px;margin-top:6px}.events-card .section-head{margin-bottom:15px}.empty-events{padding:23px 0;color:var(--muted);font-size:11px;text-align:center;border-top:1px solid var(--border)}.event{display:grid;grid-template-columns:8px minmax(0,1fr);gap:12px;padding:15px 0;border-top:1px solid var(--border)}.event-dot{width:6px;height:6px;background:var(--accent);border-radius:50%;margin-top:6px}.event.warning .event-dot{background:var(--warn)}.event.danger .event-dot{background:var(--danger)}.event strong{font-size:12px;font-weight:500;overflow-wrap:anywhere}.event p{font-size:11px;color:var(--muted);margin-top:6px;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere}.event small{font:9px/1.8 Consolas,"Microsoft YaHei",monospace;color:var(--muted);display:block;margin-top:7px;overflow-wrap:anywhere}footer{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:24px 0 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small{font-size:10px;color:var(--muted)}#login-error{color:var(--danger);margin:10px 0}.camera.focused{position:fixed;inset:20px;z-index:40;border-radius:12px;box-shadow:0 0 0 30px var(--bg)}.camera.focused .camera-stage{aspect-ratio:auto;flex:1}.camera.focused .camera-footer{min-height:60px}body.camera-focused{overflow:hidden}
@media(min-width:1700px){main{padding-top:40px}.camera-stage{min-height:350px}}
@media(max-width:1200px){.sidebar{width:190px;padding:30px 14px}.app-shell{margin-left:190px}.brand strong{font-size:21px}.workspace{padding:13px 9px}.workspace-mark{display:none}main{padding:25px 24px 10px}.topbar{padding:0 24px}.monitor-grid{gap:16px;grid-template-columns:minmax(0,1.65fr) minmax(250px,1fr)}.card{padding:18px}.camera{padding:0}.task .section-head{margin-bottom:19px}.task h3{font-size:18px}.metrics{gap:12px}.metric{padding:16px}.metric-label{font-size:10px}.metric-state{font-size:8px}.metric-value>span{font-size:27px}.detail-grid{gap:16px}}
@media(max-width:960px){.sidebar{width:76px;padding:28px 12px}.brand{padding:0 10px}.brand>div,.workspace,.nav-label,.nav-link>span,.sidebar-bottom{display:none}.sidebar nav{margin-top:38px}.nav-link{padding:15px;justify-content:center}.app-shell{margin-left:76px}.monitor-grid{grid-template-columns:minmax(0,1.45fr) minmax(240px,1fr)}.task h3{font-size:17px}.metric-label{display:block}.metric-state{display:block;margin-top:7px;max-width:100%}.metric-value{margin-top:14px}.detail-grid{grid-template-columns:1fr 1fr}}
@media(max-width:730px){.sidebar{position:relative;width:100%;height:auto;padding:19px 18px 0;border-right:0;border-bottom:1px solid var(--border);display:block}.brand{padding:0;gap:10px}.brand>div{display:block}.brand strong{font-size:23px}.brand small{font-size:7px}.logo{font-size:31px}.sidebar nav{display:flex;gap:22px;margin:21px 0 0;overflow:auto}.nav-link{padding:12px 0;margin:0;border-radius:0;gap:7px;font-size:11px;white-space:nowrap;border-bottom:2px solid transparent}.nav-link>span:not(.nav-index){display:inline}.nav-link .nav-index{display:none}.nav-link.active{border-color:var(--accent);background:transparent}.nav-link .icon{width:15px;height:15px}.app-shell{margin:0}.topbar{position:absolute;right:18px;top:23px;height:32px;padding:0;border:0;background:transparent}.breadcrumb,.top-read-only{display:none}.top-actions{gap:8px}.quiet,.icon-button{min-height:34px}.topbar .quiet{font-size:10px}.page-heading{margin-bottom:19px;gap:10px;align-items:flex-start}.page-heading h1{font-size:25px;margin:5px 0 6px}.page-heading .eyebrow{font-size:8px;letter-spacing:1.2px}.page-heading p{font-size:11px}.heading-status{padding-top:4px;max-width:46%}.heading-status small{font-size:8px;line-height:1.7;max-width:140px}.tag{font-size:9px;padding:4px 7px}main{padding:23px 16px 9px}.monitor-grid{grid-template-columns:1fr;gap:15px}.camera .section-head{padding:14px 16px}.camera-footer{padding:9px 12px;min-height:52px}.camera-stage{flex:none;aspect-ratio:16/10}.camera-overlay{font-size:7px;left:12px;bottom:11px}.camera-actions .quiet{font-size:9px;min-height:34px}.camera-actions .icon{width:12px;height:12px}.card{border-radius:12px}.camera{padding:0}.task{padding:19px}.task .section-head{margin-bottom:17px}.task h3{font-size:20px}.task .secondary{font-size:11px}.task dl{grid-template-columns:66px minmax(0,1fr);font-size:11px}.progress-heading{margin-top:19px}.task .footnote{padding-top:12px}.devices-section{margin-top:25px}.section-heading h2{font-size:16px}.section-heading .secondary{font-size:8px;max-width:45%;text-align:right}.metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.metric{padding:16px}.metric-label{display:flex;font-size:10px}.metric-state{display:inline;font-size:8px;margin-top:0;max-width:45%}.metric-value{margin:19px 0 11px}.metric-value>span{font-size:31px}.metric p{font-size:9px}.detail-grid{grid-template-columns:1fr;margin-top:15px;gap:15px}.device strong,.device .value{font-size:11px}.device small{font-size:10px}.device{padding:12px 0}.chart-wrap{height:170px}.events-card{margin-top:17px}.events-card .section-head{align-items:flex-start}.events-card #notification{font-size:9px;max-width:50%;text-align:right}.events-card .footnote{font-size:9px}.event strong{font-size:11px}footer{font-size:8px;flex-wrap:wrap;line-height:1.7;padding:22px 1px}.bookmark-tip{font-size:10px}.banner{font-size:10px;line-height:1.7;padding:10px 12px;margin-bottom:15px}.login{margin:33px auto;padding:26px}.login h1{font-size:25px}.camera.focused{inset:8px}.camera.focused .camera-stage{flex:1}.skip-link{left:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media(max-width:730px){.topbar{z-index:11}}