@font-face{font-family:Lato;src:url('fonts/Lato-Regular.ttf') format('truetype');font-weight:400;font-display:swap}
@font-face{font-family:Lato;src:url('fonts/Lato-Bold.ttf') format('truetype');font-weight:700;font-display:swap}
:root{color-scheme:light;--bg:#F4F6F8;--surface:#fff;--alt:#E1E7ED;--text:#25313D;--muted:#667382;--line:#CCD4DC;--accent:#2F7D4E;--danger:#C43D49;--orange:#B66A13;--blue:#269BD8;--purple:#6D4BC3;--compare:#2878C8;--radius:16px;font:16px/1.5 Lato,system-ui,sans-serif}
:root[data-theme=dark]{color-scheme:dark;--bg:#111318;--surface:#171B22;--alt:#252C36;--text:#F0F2F5;--muted:#8F9AA8;--line:#29313D;--accent:#72D29B;--danger:#FF5C5C;--orange:#F0A43C;--blue:#54C7EC;--purple:#B398FF;--compare:#67B0FF}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}button,input,select{font:inherit}button,a,input,summary,select{-webkit-tap-highlight-color:transparent}button,summary,select{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible,select:focus-visible,canvas:focus-visible{outline:3px solid var(--blue);outline-offset:3px}button,a{touch-action:manipulation}h1,h2,p{margin-top:0}h1{font-size:clamp(28px,3.5vw,38px);font-weight:700;letter-spacing:-.8px;line-height:1.15;margin-bottom:26px;overflow-wrap:anywhere}h2{font-size:21px;line-height:1.3;font-weight:700}p{margin-bottom:16px}.muted,.field-hint,.helptext{color:var(--muted)}.small,.field-hint,.helptext{font-size:13px}.field-hint{margin:8px 0 18px}.eyebrow,.section-label{font-size:12px;font-weight:700;letter-spacing:1.2px;color:var(--muted);text-transform:uppercase;margin-bottom:10px}.icon{flex-shrink:0;vertical-align:middle}.topbar{height:88px;display:flex;align-items:center;justify-content:space-between;padding:0 32px;border-bottom:1px solid var(--line);background:var(--surface)}.brand{display:flex;gap:9px;align-items:center;font-size:21px;letter-spacing:2.2px;font-weight:700}.brand img{object-fit:contain;filter:brightness(0)}[data-theme=dark] .brand img{filter:none}.brand small{display:block;font-size:11px;letter-spacing:.6px;font-weight:400;color:var(--muted)}.account-name{color:var(--muted);max-width:35%;overflow:hidden;text-overflow:ellipsis;font-size:14px}.main-nav{width:216px;position:fixed;top:88px;left:0;bottom:0;padding:28px 16px;display:flex;flex-direction:column;gap:8px;background:var(--bg);border-right:1px solid var(--line)}.main-nav a{display:flex;align-items:center;gap:13px;padding:15px 18px;border-radius:12px;color:var(--muted);font-weight:700}.main-nav a[aria-current=page]{background:var(--alt);color:var(--text)}.main-nav a:hover{color:var(--text)}.nav-note{margin:auto 10px 0;color:var(--muted);font-size:12px;line-height:1.7}main{max-width:1220px;padding:38px 36px 48px;min-height:calc(100vh - 148px);margin:0 auto}.signed-in main{margin-left:216px}footer{padding:10px 36px 24px;font-size:11px;letter-spacing:1.4px;color:var(--muted)}.signed-in footer{margin-left:216px}.signed-out footer{text-align:center}.signed-out .topbar{justify-content:center;background:transparent;border:0}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:22px;margin-bottom:22px}.page-heading h1{margin:0}.back-link{display:inline-block;color:var(--muted);font-size:14px;margin-bottom:22px}.search-label{width:260px;max-width:100%}label{display:block;font-size:14px;color:var(--muted);margin-bottom:7px}input,select{display:block;width:100%;min-width:0;max-width:100%;min-height:46px;border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:var(--surface);color:var(--text)}select{padding-right:26px;text-overflow:ellipsis}label input,label select{margin-top:6px}input:focus,select:focus{border-color:var(--blue)}button,.button,.section-links a{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;border:1px solid var(--line);border-radius:12px;padding:10px 17px;color:var(--text);background:var(--surface);font-weight:700;font-size:14px;text-align:center}button:hover,.button:hover,.section-links a:hover{background:var(--alt);color:var(--text)}.primary{background:var(--accent);border-color:transparent;color:#fff}.primary:hover{background:var(--accent);filter:brightness(.95);color:#fff}[data-theme=dark] .primary{color:#111318}.check{display:flex;align-items:center;gap:10px;min-height:44px;color:var(--text);font-size:14px}.check input{width:19px;height:19px;min-height:0;margin:0;flex-shrink:0;accent-color:var(--accent)}.auth-panel{max-width:440px;margin:12px auto;padding:30px;background:var(--surface);border-radius:22px}.auth-panel h1{font-size:34px}.auth-panel form>input{margin-bottom:18px}.auth-panel .primary{width:100%;margin-top:14px}.auth-switch{margin:22px 0 0;font-size:14px;color:var(--muted);text-align:center}.auth-switch a,.subtle-link{color:var(--accent)}.errorlist{color:var(--danger);font-size:14px;padding-left:18px}.auth-panel .helptext ul{padding-left:18px}.notice{border-left:3px solid var(--accent);padding:14px 18px;background:var(--surface);border-radius:4px 12px 12px 4px;font-size:14px}.furnace-grid,.graph-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,275px),1fr));gap:18px;margin:24px 0}.furnace-card,.graph-card{display:block;background:var(--surface);border:1px solid transparent;border-radius:var(--radius);padding:23px;transition:border-color .15s}.furnace-card:hover,.graph-card:hover{border-color:var(--line);color:var(--text)}.furnace-card h2{margin-bottom:4px;overflow-wrap:anywhere}.device-id{font-size:12px;color:var(--muted);margin-bottom:18px}.status{color:var(--accent);font-size:15px;font-weight:700;margin:0}.status:before{content:'';display:inline-block;width:7px;height:7px;border-radius:50%;background:currentColor;margin-right:9px;vertical-align:2px}.temperature{font-size:clamp(80px,10vw,138px);font-weight:700;line-height:1.2;letter-spacing:-5px;color:var(--accent);font-variant-numeric:tabular-nums}.temperature span{font-size:.29em;font-weight:400;letter-spacing:-1px}.furnace-card .temperature{font-size:60px;letter-spacing:-2px;margin:14px 0 4px}.program-name{color:var(--muted);margin:10px 0 0;font-size:17px;overflow-wrap:anywhere}.offline .status,.offline .temperature,.offline .metrics dd,.temperature.invalid{color:var(--muted)}.heating .temperature,.heating .status{color:var(--orange)}.cooling .temperature,.cooling .status{color:var(--blue)}.alarm-state .temperature,.alarm-state .status{color:var(--danger)}.reading-panel{background:var(--surface);border-radius:20px;padding:38px;text-align:center;margin:24px 0 18px}.reading-panel .temperature{margin:18px 0 0}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin:36px 0 0;padding-top:28px;border-top:1px solid var(--line);text-align:left}.metrics dt,.comparison-metrics dt{color:var(--muted);font-size:13px}.metrics dd{margin:3px 0 0;font-size:25px;font-weight:700;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.warning{color:var(--danger);font-size:15px;margin:24px 0 0}.actions,.section-links{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.empty{grid-column:1/-1;text-align:center;border:1px dashed var(--line);border-radius:var(--radius);padding:44px 24px;color:var(--muted)}.empty h2{color:var(--text)}.empty p{margin:0}.add-furnace{background:transparent}.badge{display:inline-block;font-size:12px;border-radius:6px;padding:4px 8px;background:var(--alt);color:var(--muted)}.badge.approved{color:var(--accent)}.badge.denied{color:var(--danger)}.table-scroll{overflow:auto;padding:0 20px 16px}table{border-collapse:collapse;width:100%;font-size:14px;text-align:left}td,th{border-bottom:1px solid var(--line);padding:13px 16px 13px 0}th{font-size:12px;color:var(--muted);font-weight:400}tbody tr:last-child td{border-bottom:0}.program{background:var(--surface);border-radius:var(--radius);margin:18px 0;overflow:hidden}.program summary{padding:20px 24px;font-size:18px;font-weight:700}.program summary>.badge{margin-left:10px}.program .mini-chart{max-width:520px;margin:auto}.program .mini-metrics{max-width:520px;margin:8px auto 0;font-size:15px}.library-filter{margin:28px 0 22px}.filter-top{display:flex;align-items:flex-end;gap:12px}.filter-top label{margin:0;flex:1}.filter-top .search-label{flex:2}.filter-top button{min-height:46px}.filters{margin-top:12px}.filters summary{display:inline-flex;align-items:center;gap:9px;font-size:14px;color:var(--muted);min-height:44px}.filter-fields{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:10px 0 18px;padding:18px;background:var(--surface);border-radius:var(--radius)}.filter-fields label{min-width:0}.filter-fields .actions{align-self:center}.card-heading{display:flex;justify-content:space-between;gap:10px}.card-heading h2{font-size:19px;margin-bottom:6px;overflow-wrap:anywhere}.favorite{color:var(--orange)}.favorite .icon{fill:var(--orange);width:18px;height:18px}.mini-chart{display:block;width:100%;height:auto;margin:12px 0 8px;overflow:hidden}.mini-grid{stroke:var(--line);stroke-width:1;fill:none;opacity:.5}.mini-line{stroke:var(--accent);stroke-width:2.3;fill:none;stroke-linecap:round;stroke-linejoin:round}.mini-metrics{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:15px;margin:12px 0}.mini-metrics span{color:var(--muted)}.result{font-size:14px;color:var(--muted);margin:12px 0;overflow-wrap:anywhere}.result:before{content:'';display:inline-block;width:6px;height:6px;border-radius:50%;background:currentColor;margin-right:8px;vertical-align:2px}.result.alarm{color:var(--danger)}.result.finished{color:var(--accent)}.result.stopped{color:var(--orange)}.card-foot{border-top:1px solid var(--line);padding-top:13px;display:flex;justify-content:space-between;gap:12px;font-size:11px;color:var(--muted)}.card-foot span{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;max-width:55%}.card-foot time{white-space:nowrap}.pagination{display:flex;align-items:center;justify-content:center;gap:20px;margin:28px 0;font-size:14px}.chart-panel{background:var(--surface);border-radius:var(--radius);padding:14px 18px 6px;margin:24px 0}.chart-toolbar{display:flex;align-items:center;gap:12px;justify-content:space-between;min-height:44px}.icon-button{padding:8px;min-width:44px;background:transparent;border:0}.legend{display:flex;gap:6px 16px;flex-wrap:wrap}.legend button{padding:5px 0;background:transparent;border:0;font-size:12px;font-weight:400;color:var(--muted);min-height:34px;text-align:left;justify-content:flex-start}.legend button[aria-pressed=false]{opacity:.45}.line-dot{display:inline-block;width:9px;height:9px;background:var(--accent);border-radius:50%;flex-shrink:0}.line-dot.setpoint{background:var(--orange)}.line-dot.plan{background:var(--blue)}.line-dot.power{background:var(--purple)}.line-dot.comparison{background:var(--compare)}.line-dot.alarm{background:var(--danger)}canvas{display:block;width:100%;height:350px;touch-action:none;user-select:none}.graph-info{background:var(--surface);border-radius:var(--radius);padding:22px 24px;margin:24px 0}.compact{grid-template-columns:repeat(2,1fr);border:0;padding:0;margin:16px 0 22px}.compact dd{font-size:21px}.compact dd.date{font-size:17px}.graph-info .result{font-size:17px;margin-top:0}.graph-info .setting{border-top:1px solid var(--line)}.graph-info .table-scroll{padding-left:0;padding-right:0}.graph-actions>.setting{background:var(--surface);border-radius:var(--radius);margin-bottom:20px}.graph-actions>.actions{margin:24px 0 10px}.compare-sides{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:24px 0}.compare-side{min-width:0;background:var(--surface);padding:24px;border-radius:var(--radius)}.compare-side h2{font-size:18px;display:flex;align-items:center;gap:9px}.compare-side.right .line-dot{background:var(--compare)}.compare-side select{margin-bottom:18px}.compare-side .subtle-link{font-size:14px}.comparison-metrics{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:15px 0 20px}.comparison-metrics dd{margin:2px 0;font-size:20px}.compare-form+p{margin-top:22px}.settings-layout{max-width:720px;display:grid;gap:30px}.setting-list{background:var(--surface);border-radius:var(--radius);overflow:hidden}.setting+.setting,.setting-row+.setting-row,.setting-list form{border-top:1px solid var(--line)}.setting-row,.setting summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:16px;min-height:64px}.setting summary{list-style:none;cursor:pointer}.setting summary::-webkit-details-marker,.filters summary::-webkit-details-marker{display:none}.setting summary .icon{color:var(--muted);width:18px;height:18px;transition:transform .18s}.setting[open]>summary .icon{transform:rotate(90deg)}.setting-body{padding:4px 22px 22px}.setting-body select{max-width:400px}.setting-body>.check{margin:16px 0}.setting-body>input{max-width:520px}.logout{width:100%;background:none;border:0;border-radius:0;justify-content:flex-start;font-weight:400}.danger-text{color:var(--danger)}.form-panel{background:var(--surface);max-width:560px;padding:26px;border-radius:var(--radius)}.form-panel form>.primary{margin-top:6px}.section-block{margin-top:34px;max-width:560px}.request-list{display:grid;gap:14px}.request-card{background:var(--surface);border-radius:var(--radius);padding:24px;display:flex;justify-content:space-between;align-items:center;gap:20px}.request-card h2{margin-bottom:4px}.request-card p{margin-bottom:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:absolute;top:-70px;left:20px;z-index:10;padding:10px;background:var(--surface)}.skip-link:focus{top:8px}[hidden]{display:none!important}
.alarm-legend{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--muted)}
.temperature{white-space:nowrap}
@media(min-width:1600px){.signed-in main{margin-left:auto;margin-right:auto;transform:translateX(80px)}}
@media(max-width:1000px){.main-nav{width:180px;padding:26px 10px}.main-nav a{gap:10px;padding:14px 12px}.signed-in main{margin-left:180px;padding:30px 24px}.signed-in footer{margin-left:180px}.filter-fields{grid-template-columns:repeat(2,1fr)}.compare-side{padding:20px}.comparison-metrics{grid-template-columns:1fr}.topbar{padding:0 24px}}
@media(max-width:700px){.topbar{height:76px;padding:0 20px}.brand{font-size:18px;letter-spacing:1.8px}.brand img{width:27px;height:27px}.brand small{font-size:10px}.main-nav{z-index:5;top:auto;bottom:0;left:0;right:0;width:auto;flex-direction:row;justify-content:space-around;gap:4px;padding:7px 12px calc(7px + env(safe-area-inset-bottom));border-right:0;border-top:1px solid var(--line);background:var(--surface)}.main-nav a{flex:1;flex-direction:column;gap:3px;font-size:11px;padding:6px 4px;min-height:51px;border-radius:10px}.main-nav a .icon{width:21px;height:21px}.nav-note{display:none}.signed-in main,main{margin:0;padding:26px 18px 34px;min-height:calc(100vh - 176px)}.signed-in footer,footer{margin:0;padding:10px 18px calc(100px + env(safe-area-inset-bottom))}.signed-out footer{padding-bottom:20px}.page-heading{gap:14px;align-items:center;flex-wrap:wrap;margin-bottom:22px}.page-heading h1{font-size:28px}.page-heading>.search-label{width:100%;margin:6px 0 0}.page-heading .button{padding:9px 12px}.eyebrow{font-size:11px}.furnace-grid,.graph-grid{gap:14px;margin:22px 0}.furnace-card,.graph-card{padding:22px}.furnace-card .temperature{font-size:68px}.reading-panel{padding:30px 20px}.reading-panel .temperature{font-size:94px;letter-spacing:-4px}.metrics{grid-template-columns:1fr 1fr;gap:24px 12px}.metrics dd{font-size:22px}.reading-panel+.small{font-size:12px}.auth-panel{padding:26px 22px;margin:0 auto}.auth-panel h1{font-size:30px}.filter-top{flex-wrap:wrap}.filter-top .search-label{flex:auto;width:100%}.filter-top>label{flex:1;min-width:0}.filter-fields{padding:16px;gap:12px;grid-template-columns:1fr}.filter-top>button{padding-left:22px;padding-right:22px}.chart-panel{padding:10px 7px 4px;margin:20px -5px;border-radius:12px}.legend{gap:0 12px}.legend button{font-size:11px;gap:5px}.chart-toolbar{padding:0 5px}.chart-toolbar>.icon-button{min-width:36px;min-height:36px;padding:5px}canvas{height:260px}.graph-info{padding:20px;margin-top:20px}.compact{gap:20px 12px}.compact dd{font-size:19px}.compact dd.date{font-size:15px}.table-scroll{padding:0 15px 12px}table{font-size:12px}td,th{padding-right:10px}.compare-sides{gap:12px;grid-template-columns:1fr}.compare-side{padding:20px}.comparison-metrics{grid-template-columns:1fr 1fr}.compare-form{margin-top:22px}.setting-row,.setting summary{padding:17px 20px}.setting-body{padding:4px 20px 20px}.form-panel{padding:22px}.request-card{align-items:flex-start;flex-direction:column;padding:22px}.request-card .actions{width:100%}.back-link{margin-bottom:18px}.program summary{padding:18px;font-size:17px}.program summary>.badge{display:inline-block;margin:8px 0}.program .mini-metrics{font-size:14px}.signed-out main{padding-top:15px}.card-foot{font-size:11px}}
@media(max-width:700px){.reading-panel .temperature{font-size:clamp(60px,18vw,94px)}}
@media(orientation:landscape) and (max-height:550px){.chart-panel{margin-top:12px}canvas{height:calc(100dvh - 148px);min-height:200px}.main-nav{padding-top:4px;padding-bottom:calc(4px + env(safe-area-inset-bottom))}.main-nav a{min-height:42px}.compare-sides{grid-template-columns:1fr 1fr}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important}}