:root {
  --bg: #f3efe7;
  --ink: #10261e;
  --muted: #52635c;
  --accent: #0f766e;
  --accent-soft: #d6efe8;
  --panel: #fffdf9;
  --border: #d8d1c5;
  --warn: #9a3412;
  --shadow: 0 12px 30px rgba(16, 38, 30, 0.08);
  --radius: 20px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.12), transparent 28%),
    linear-gradient(180deg, #f7f4ee 0%, var(--bg) 100%);
  color: var(--ink);
}

.app-shell {
  max-width: 1440px;
  margin: 0 auto;
  padding: 32px;
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 28px;
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
  color: var(--muted);
}

.hero-logos {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 0 0 16px;
  min-height: 52px;
}

.hero-logo {
  display: block;
  object-fit: contain;
}

.hero-logo-lds {
  max-height: 42px;
  max-width: 190px;
}

.hero-logo-customer {
  max-height: 52px;
  max-width: 170px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1;
}

.subtitle {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(180px, 1fr));
  gap: 12px;
  min-width: 360px;
}

.stamp,
.kpi,
.panel,
.site-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.stamp {
  padding: 16px 18px;
}

.stamp-label,
.kpi-label,
.metric-label {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 6px;
}

.stamp-value,
.kpi-value {
  display: block;
  font-size: 28px;
  font-weight: 700;
}

.kpi-meta {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.kpi-status-green {
  color: #166534;
}

.kpi-status-amber {
  color: #b45309;
}

.kpi-status-red {
  color: #b91c1c;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.kpi {
  padding: 18px;
  min-height: 132px;
}

.panel {
  padding: 20px;
}

.panel + .panel {
  margin-top: 24px;
}

.environment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.environment-card {
  padding: 14px;
  background: #fbfaf7;
  border-radius: 14px;
  border: 1px solid #ece6dc;
}

.environment-outside .gauge-card {
  width: 100%;
  max-width: 260px;
  margin: 0 auto;
}

.environment-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 10px;
}

.environment-title {
  margin: 0;
  font-size: 20px;
}

.environment-date {
  color: var(--muted);
  font-size: 12px;
}

.environment-gauges {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.chart-shell {
  width: 100%;
  min-height: 260px;
}

.usage-chart {
  width: 100%;
  height: 260px;
  display: block;
  background: #fbfaf7;
  border: 1px solid #ece6dc;
  border-radius: 14px;
}

.chart-grid {
  stroke: #ddd5c8;
  stroke-width: 1;
}

.chart-axis-label,
.chart-empty {
  fill: var(--muted);
  font-size: 12px;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

.chart-area {
  fill: rgba(15, 118, 110, 0.12);
}

.chart-line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.chart-point {
  fill: var(--accent);
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 18px;
}

.panel-head h2 {
  margin: 0;
  font-size: 26px;
}

.panel-head p {
  margin: 0;
  color: var(--muted);
}

.site-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 16px;
}

.site-card {
  padding: 18px;
}

.site-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.site-name {
  margin: 0;
  font-size: 22px;
}

.site-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: var(--accent-soft);
  color: var(--accent);
}

.badge.aggregate {
  background: #fce7d6;
  color: var(--warn);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.metric {
  padding: 12px 14px;
  background: #fbfaf7;
  border-radius: 14px;
  border: 1px solid #ece6dc;
}

.metric-value {
  font-size: 24px;
  font-weight: 700;
}

.comfort-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.gauge-card {
  padding: 12px 14px;
  background: #fbfaf7;
  border-radius: 14px;
  border: 1px solid #ece6dc;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.gauge {
  --gauge-pct: 0%;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at center, var(--panel) 0 53%, transparent 54%),
    conic-gradient(var(--gauge-fill) 0 var(--gauge-pct), #e8e1d5 var(--gauge-pct) 100%);
}

.gauge-temperature {
  --gauge-fill: #d97706;
}

.gauge-humidity {
  --gauge-fill: #0284c7;
}

.gauge-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
}

.gauge-value {
  font-size: 28px;
  font-weight: 700;
}

.gauge-unit {
  margin-top: 4px;
  font-size: 13px;
  color: var(--muted);
}

.gauge-detail {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
}

.hidden {
  display: none;
}

.error-copy {
  color: var(--warn);
  margin: 0;
}

@media (max-width: 1100px) {
  .hero {
    flex-direction: column;
  }

  .hero-meta,
  .kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    min-width: 0;
    width: 100%;
  }
}

@media (max-width: 720px) {
  .app-shell {
    padding: 18px;
  }

  .hero-meta,
  .kpi-grid,
  .metric-grid,
  .comfort-grid {
    grid-template-columns: 1fr;
  }
}