:root{color-scheme:dark;--bg:#09121e;--panel:#142338;--line:#25384d;--text:#e5effd;--muted:#8ca6c7;--subtle:#6e8fb5;--green:#8de5b5;--icon:#7395be;--cyan:#80c6e8}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(ellipse 90% 65% at 50% -25%,#1a3453 0%,var(--bg) 72%);color:var(--text);font-family:Inter,Segoe UI,Arial,sans-serif;letter-spacing:.01em}
.shell{max-width:1500px;min-height:100vh;margin:0 auto;padding:0 48px;display:flex;flex-direction:column}
.topbar{min-height:112px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:20px}.brand{display:flex;align-items:center;gap:18px}.brand-mark{height:49px;width:49px;border:1px solid #34516d;border-radius:12px;display:grid;place-items:center;color:var(--cyan);font-size:30px;background:#172a40}.eyebrow{margin:0 0 7px;font-size:11px;font-weight:700;letter-spacing:.2em;color:var(--subtle)}h1{font-size:29px;line-height:1;margin:0;font-weight:720;letter-spacing:-.04em}h1 span{color:var(--cyan)}.header-right{display:flex;align-items:center;gap:10px;font-size:10px;font-weight:700;letter-spacing:.15em;color:var(--muted)}.live-dot,.status-dot,.demo-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 10px #8de5b54d}.header-separator{color:#4b6580}
main{flex:1;padding-top:61px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px}h2{margin:0;font-size:28px;font-weight:650;letter-spacing:-.025em}.demo-pill{border:1px solid #665c40;border-radius:6px;color:#e1c98b;padding:10px 13px;display:flex;align-items:center;gap:9px;font-size:10px;font-weight:700;letter-spacing:.13em;white-space:nowrap}.demo-dot{background:#e1c98b;box-shadow:none}.demo-note{font-size:13px;color:var(--muted);margin:16px 0 27px}
.tile-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.tile{background:linear-gradient(155deg,#17283f,var(--panel) 68%);border:1px solid #294059;border-radius:11px;min-height:380px;display:flex;flex-direction:column;overflow:hidden;transition:border-color .2s,transform .2s}.tile:hover,.tile:focus-visible{border-color:#527b9f;outline:none}.tile-head{padding:24px 24px 21px;display:flex;align-items:center;justify-content:space-between;gap:8px;border-bottom:1px solid var(--line)}.tile-title{display:flex;align-items:center;gap:13px}.tile-icon{font-size:25px;line-height:1;color:var(--icon)}h3{font-size:18px;font-weight:600;margin:0}.device-tag{display:flex;align-items:center;gap:8px;font-size:10px;letter-spacing:.1em;color:var(--green);font-weight:750;white-space:nowrap}.status-dot{width:6px;height:6px}.tile-body{padding:29px 25px;flex:1}.metric-label,.readouts span,.exposure-label span,.sensor span{font-size:10px;letter-spacing:.14em;font-weight:700;color:var(--subtle)}.metric-label{margin:0 0 12px}.big-status{font-size:33px;letter-spacing:.015em;font-weight:700;color:var(--green);margin:0 0 6px}.description{margin:0;color:var(--muted);font-size:14px}.readouts{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:29px}.readouts div{display:flex;flex-direction:column;gap:9px}.readouts strong{font-size:15px;font-weight:600;white-space:nowrap}.exposure{margin-top:25px}.exposure-label{display:flex;justify-content:space-between;align-items:center;gap:10px}.exposure-label strong{font-size:12px;font-weight:600}.progress-track{height:7px;background:#2b4159;border-radius:10px;margin-top:12px;overflow:hidden}.progress-fill{height:100%;width:68.8889%;background:var(--cyan);border-radius:10px}.sensor{margin-top:25px;display:flex;align-items:center;justify-content:space-between;gap:10px}.sensor strong{font-size:16px;font-weight:650}.tile-foot{padding:19px 24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:10px;align-items:center;color:var(--subtle);font-size:11px}.foot-right{font-size:9px;letter-spacing:.07em;font-weight:700;white-space:nowrap}.foot-right span{margin-left:5px}
.page-footer{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding:25px 0 30px;margin-top:80px;color:var(--subtle);font-size:10px;letter-spacing:.12em;font-weight:600}.footer-sep{padding:0 9px;color:#4b6580}
@media(max-width:1100px){.shell{padding:0 26px}.tile-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tile:last-child{grid-column:1/-1}.header-right{font-size:9px}}@media(max-width:700px){.shell{padding:0 18px}.topbar{min-height:92px}.header-right{display:none}main{padding-top:38px}.section-heading{align-items:start;flex-direction:column;gap:17px}.tile-grid{grid-template-columns:1fr}.tile:last-child{grid-column:auto}.tile{min-height:330px}.tile-head{padding:20px}.tile-body{padding:25px 20px}.tile-foot{padding:18px 20px}.page-footer{margin-top:50px;flex-wrap:wrap}.demo-note{line-height:1.5}}

/* Five-across compact overview. Detail views will hold richer telemetry. */
.shell{max-width:1800px;padding-left:32px;padding-right:32px}
.tile-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.tile{min-width:0;min-height:310px}
.tile-head{padding:17px 13px 15px;flex-wrap:wrap}
.tile-title{gap:8px}.tile-icon{font-size:20px}h3{font-size:16px}
.device-tag{font-size:9px}
.tile-body{padding:22px 13px}
.big-status{font-size:26px}.description{font-size:12px}
.readouts{grid-template-columns:1fr;gap:12px;margin-top:20px}
.readouts strong{font-size:13px}
.exposure-label{flex-wrap:wrap}.sensor{flex-wrap:wrap;gap:6px}
.tile-foot{padding:15px 13px;flex-wrap:wrap;gap:8px}
.foot-right{font-size:8px}
.pending-tag,.pending-status{color:var(--subtle)}
.placeholder-tile{border-style:dashed}
@media(max-width:1250px){.tile-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.tile:last-child{grid-column:auto}}
@media(max-width:800px){.tile-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.shell{padding-left:22px;padding-right:22px}}
@media(max-width:520px){.tile-grid{grid-template-columns:1fr}.shell{padding-left:18px;padding-right:18px}.tile{min-height:280px}}

/* Compact, four-across dashboard with clock beneath the branding. */
.tile-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.tile{min-height:0}
.tile-head{padding:13px 14px}
.tile-body{padding:16px 14px}
.tile-foot{padding:12px 14px}
.readouts{margin-top:15px;gap:8px}
.exposure{margin-top:15px}
.sensor{margin-top:15px}
main{padding-top:30px}
.demo-note{margin:10px 0 18px}
.topbar{min-height:102px}
.header-clock{margin-top:8px;color:var(--muted);font-size:11px;font-weight:600;letter-spacing:.1em;font-variant-numeric:tabular-nums}
.page-footer{margin-top:24px;padding:14px 0 18px}
@media(max-width:1250px){.tile-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:800px){.tile-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:520px){.tile-grid{grid-template-columns:1fr}}

/* Separate the overview heading from the status tiles. */
.section-heading{padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:18px}

.brand-logo{display:block;width:76px;height:76px;object-fit:contain;flex-shrink:0;border-radius:12px}
@media(max-width:700px){.brand-logo{width:64px;height:64px}}

/* Static sample update timestamps beneath tile names. */
.tile-name{display:flex;flex-direction:column;gap:5px;min-width:0}
.tile-update{font-size:9px;font-weight:500;letter-spacing:.015em;color:var(--subtle);white-space:nowrap;font-variant-numeric:tabular-nums}

/* RoofRunner connectivity state. */
.device-tag.offline{color:#e5a1a1}
.status-dot.offline-dot{background:#e5a1a1;box-shadow:none}

/* RoofRunner details: same palette and typography as the overview. */
.details-home,.details-link{color:var(--cyan);text-decoration:none}
.details-home{font-size:11px;font-weight:750;letter-spacing:.13em;border:1px solid var(--line);border-radius:7px;padding:11px 15px}
.details-home:hover,.details-link:hover{color:var(--text);border-color:var(--cyan)}
.details-main{padding-top:30px}
.details-heading{align-items:center}
.details-heading h2{font-size:24px}
.details-subtitle{color:var(--muted);font-weight:400}
.details-connection{font-size:11px}
.details-hero{display:flex;justify-content:space-between;align-items:center;gap:25px;background:linear-gradient(145deg,#1a3048,var(--panel));border:1px solid #294059;border-radius:11px;padding:27px 30px;margin-bottom:18px}
.details-position{font-size:46px;font-weight:750;color:var(--green);margin:9px 0 0;letter-spacing:.015em}
.details-hero-meta{display:flex;flex-direction:column;align-items:flex-end;gap:9px}
.details-hero-meta strong{font-size:16px;font-variant-numeric:tabular-nums;font-weight:650}
.details-source{font-size:11px;color:var(--subtle)}
.details-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.details-panel{min-width:0;background:linear-gradient(155deg,#17283f,var(--panel) 68%);border:1px solid #294059;border-radius:11px;padding:22px 25px}
.details-panel h3{font-size:16px;padding-bottom:17px;border-bottom:1px solid var(--line)}
.details-values{margin:0}
.details-values>div{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:13px 0;border-bottom:1px solid var(--line)}
.details-values>div:last-child{border-bottom:0;padding-bottom:0}
.details-values dt{color:var(--muted);font-size:12px}
.details-values dd{margin:0;font-size:13px;font-weight:650;font-variant-numeric:tabular-nums;text-align:right;overflow-wrap:anywhere}
.details-note{font-size:11px;color:var(--subtle);margin:18px 0 0}
@media(max-width:700px){.details-grid{grid-template-columns:1fr}.details-hero{padding:22px;align-items:flex-start;flex-direction:column}.details-hero-meta{align-items:flex-start}.details-position{font-size:36px}.details-heading h2{font-size:21px}.details-home{padding:9px 10px}.details-panel{padding:18px}}

/* Compact Roof details on desktop without sacrificing telemetry fields. */
@media(min-width:701px){
  .details-main{padding-top:17px}
  .details-heading{padding-bottom:12px;margin-bottom:12px}
  .details-hero{padding:14px 22px;margin-bottom:12px}
  .details-position{font-size:35px;margin-top:5px}
  .details-hero-meta{gap:5px}
  .details-grid{gap:12px}
  .details-panel{padding:13px 18px}
  .details-panel h3{font-size:14px;padding-bottom:9px}
  .details-values>div{padding:8px 0}
  .details-values dt{font-size:11px}
  .details-values dd{font-size:12px}
  .details-main+.page-footer{margin-top:14px;padding:10px 0 12px}
}

/* Shared details breadcrumb navigation. */
.details-breadcrumb-home{color:inherit;text-decoration:none}
.details-breadcrumb-home:hover,.details-breadcrumb-home:focus-visible{color:var(--cyan);text-decoration:underline}

/* Twelve-slot observatory overview: four columns, three compact rows on desktop.
   This is homepage-only; shared details page layout is unchanged. */
@media(min-width:1251px){
  .tile-grid{grid-template-columns:repeat(4,minmax(0,1fr));grid-template-rows:repeat(3,minmax(0,1fr));gap:10px}
  .topbar{min-height:76px}
  .brand-logo{width:55px;height:55px}
  .brand{gap:12px}
  .brand h1{font-size:25px}
  .header-clock{margin-top:5px}
  main:not(.details-main){padding-top:12px}
  main:not(.details-main) .section-heading{padding-bottom:8px;margin-bottom:10px}
  main:not(.details-main) .demo-pill{padding:6px 9px}
  .tile-grid .tile-head{padding:9px 12px;gap:5px}
  .tile-grid .tile-body{padding:10px 12px}
  .tile-grid .tile-foot{padding:8px 12px}
  .tile-grid .tile-icon{font-size:18px}
  .tile-grid h3{font-size:14px}
  .tile-grid .big-status{font-size:23px}
  .tile-grid .readouts{margin-top:9px;gap:5px}
  .tile-grid .exposure,.tile-grid .sensor{margin-top:9px}
  .tile-grid .tile-update{font-size:9px}
  .tile-grid .metric-label{margin-bottom:6px}
  .tile-grid .description{font-size:11px}
  main:not(.details-main)+.page-footer{margin-top:10px;padding:8px 0 10px}
}
@media(min-width:1251px) and (min-height:700px){
  main:not(.details-main) .tile-grid{min-height:0}
}

/* Compact 4x3 homepage, retaining three equal-height rows. */
@media(min-width:1251px){
  main:not(.details-main) .tile-grid{
    grid-template-rows:repeat(3,minmax(0,1fr));
    min-height:0;
    align-content:start;
  }
  main:not(.details-main) .tile-grid .tile-body{padding:8px 12px}
  main:not(.details-main) .tile-grid .tile-head{padding:8px 12px}
  main:not(.details-main) .tile-grid .tile-foot{padding:7px 12px}
  main:not(.details-main) .tile-grid .big-status{font-size:19px;line-height:1.2}
  main:not(.details-main) .tile-grid .readouts{
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:8px;
    margin-top:8px;
  }
  main:not(.details-main) .tile-grid .readouts strong{font-size:12px;white-space:normal}
  main:not(.details-main) .tile-grid .exposure,
  main:not(.details-main) .tile-grid .sensor{margin-top:8px}
  main:not(.details-main) .tile-grid .tile{min-height:0}
}

/* Forced-fit desktop experiment: three equal rows inside the viewport.
   Homepage only; details pages and smaller breakpoints are unaffected. */
@media(min-width:1251px){
  main:not(.details-main){flex:1 1 auto;min-height:0}
  main:not(.details-main) .tile-grid{
    height:calc(100vh - 115px);
    height:calc(100dvh - 115px);
    min-height:0;
    grid-template-rows:repeat(3,minmax(0,1fr));
    align-content:stretch;
    gap:8px;
  }
  main:not(.details-main) .tile-grid .tile{min-height:0}
  main:not(.details-main) .tile-grid .tile-head{padding:6px 10px;flex-shrink:0}
  main:not(.details-main) .tile-grid .tile-body{padding:6px 10px;min-height:0;overflow:hidden}
  main:not(.details-main) .tile-grid .tile-foot{padding:5px 10px;flex-shrink:0}
  main:not(.details-main) .tile-grid .big-status{font-size:17px;line-height:1.1;margin-bottom:3px}
  main:not(.details-main) .tile-grid .readouts{margin-top:5px;gap:5px}
  main:not(.details-main) .tile-grid .readouts div{gap:4px}
  main:not(.details-main) .tile-grid .exposure,
  main:not(.details-main) .tile-grid .sensor{margin-top:5px}
  main:not(.details-main) .tile-grid .progress-track{margin-top:5px;height:6px}
  main:not(.details-main) .tile-grid .metric-label{margin-bottom:3px}
  main:not(.details-main) .tile-grid .tile-update{font-size:8px}
  main:not(.details-main) .tile-grid .description{font-size:10px}
  main:not(.details-main)+.page-footer{margin-top:6px;padding:5px 0 7px}
}

/* Homepage breadcrumb occupies the header's right side; no separate heading row. */
.overview-breadcrumb{margin-left:90px;margin-right:auto;color:var(--subtle);font-size:11px;font-weight:700;letter-spacing:.15em;white-space:nowrap}
@media(max-width:520px){.overview-breadcrumb{font-size:9px;letter-spacing:.08em}}

/* Shared details header: breadcrumb beside branding, connectivity at far right. */
.details-breadcrumb{margin-left:90px;margin-right:auto}
.details-header-connection{margin-left:auto;flex-shrink:0}
@media(max-width:700px){
  .details-breadcrumb{margin-left:12px;white-space:normal}
  .details-header-connection{font-size:9px}
}

/* Distinguish sample telemetry from actual connected hardware. */
.device-tag.simulated-tag{color:#e1c98b}
.status-dot.simulated-dot{background:#e1c98b;box-shadow:0 0 10px #e1c98b4d}