:root {
  --header-h: 72px;
  --summary-h: 74px;
  --main-gap: clamp(10px, 0.7vw, 18px);
  --shell-pad: clamp(8px, 0.7vw, 14px);
  --app-vh: 100dvh;
  --content-max-h: calc(var(--app-vh) - 190px);
  --bottom-max-h: calc(var(--app-vh) - 430px);
}

html, body {
  min-height: 100%;
}

body {
  overflow: hidden;
}

.dashboard-shell {
  min-height: var(--app-vh);
  height: var(--app-vh);
  padding: var(--shell-pad);
  display: grid;
  gap: var(--main-gap);
  grid-template-rows: auto auto minmax(260px, 0.84fr) minmax(280px, 1fr);
}

.top-header {
  min-height: var(--header-h);
  padding: clamp(12px, 0.9vw, 18px) clamp(14px, 1vw, 22px);
  display: grid;
  grid-template-columns: minmax(280px, 1.2fr) minmax(240px, 0.8fr) auto;
  gap: 14px;
  align-items: center;
}

.top-header__left,
.top-header__center,
.top-header__right {
  display: flex;
  align-items: center;
}

.top-header__left {
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.top-header__center {
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  color: var(--muted);
  text-align: center;
}

.top-header__right {
  justify-content: flex-end;
  flex-wrap: wrap;
}

.top-header .eyebrow {
  margin-bottom: 4px;
}

.top-header .js-title {
  font-size: clamp(20px, 1.1vw, 24px);
  line-height: 1.2;
}

.live-dot--inline {
  padding: 5px 10px;
}

.headline-meta,
.panel-caption {
  color: var(--muted);
  font-size: var(--fs-small);
}

.top-summary-row {
  display: grid;
  grid-template-columns: minmax(520px, 1fr) minmax(240px, 320px);
  gap: var(--main-gap);
  min-height: var(--summary-h);
}

.summary-grid--wide {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.summary-item {
  padding: clamp(10px, 0.8vw, 14px);
}

.summary-item strong {
  font-size: clamp(22px, 1.05vw, 28px);
}

.search-card--inline {
  display: flex;
  align-items: center;
}

.dashboard-main-grid {
  min-height: 0;
  max-height: var(--content-max-h);
  display: grid;
  grid-template-columns: minmax(300px, 23%) minmax(420px, 41%) minmax(360px, 36%);
  gap: var(--main-gap);
}

.dashboard-bottom-grid {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(640px, 1.42fr) minmax(420px, 1fr);
  gap: var(--main-gap);
  align-items: start;
}

.left-panel,
.right-panel,
.center-panel,
.detail-card--wide,
.chart-card--wide {
  min-height: 0;
}

.left-panel,
.right-panel,
.center-panel {
  max-height: var(--content-max-h);
}

.scroll-panel {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.sticky-title {
  position: sticky;
  top: 0;
  z-index: 4;
  background: linear-gradient(180deg, color-mix(in srgb, var(--panel) 96%, #fff 4%), color-mix(in srgb, var(--panel) 92%, transparent));
  padding-bottom: 10px;
}

.card-title-row,
.map-header {
  margin-bottom: 10px;
}

.card-title-row .js-subtitle,
.map-header .js-subtitle {
  font-size: clamp(16px, 0.95vw, 18px);
}

.device-list--tall,
.device-card-list {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding-right: 6px;
}

.center-panel {
  display: flex;
  flex-direction: column;
}

.map-slim {
  height: 100%;
  min-height: 240px;
  border-radius: 18px;
  overflow: hidden;
}

.device-card-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  align-content: start;
}

.device-overview-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px;
  background: color-mix(in srgb, var(--panel-2) 92%, transparent);
  transition: 0.2s ease;
}

.device-overview-card:hover,
.device-overview-card.is-active {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--blue) 46%, transparent);
  box-shadow: 0 10px 24px rgba(0,0,0,0.18);
}

.device-overview-head,
.device-overview-meta,
.device-overview-actions,
.metric-inline-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.device-overview-head {
  margin-bottom: 8px;
}

.device-overview-name {
  font-size: calc(var(--fs-body) + 1px);
  font-weight: 700;
}

.device-overview-meta {
  color: var(--muted);
  font-size: var(--fs-small);
  margin-bottom: 8px;
}

.metric-inline-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 10px;
}

.metric-inline-box {
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 80%, transparent);
  border-radius: 12px;
  padding: 8px 10px;
}

.metric-inline-box span {
  display: block;
  color: var(--muted);
  font-size: var(--fs-small);
  margin-bottom: 4px;
}

.metric-inline-box strong {
  font-size: var(--fs-body);
}

.device-overview-actions {
  margin-top: 4px;
}

.card-inline-link {
  font-size: var(--fs-small);
  color: var(--blue);
}

.detail-card--wide,
.chart-card--wide {
  padding: 14px 16px;
  align-self: start;
}

.detail-card--wide {
  max-height: var(--bottom-max-h);
  overflow: auto;
}

.chart-card--wide {
  max-height: min(420px, var(--bottom-max-h));
}

.chart-card--wide canvas {
  width: 100%;
  display: block;
}

.metric-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 10px;
}

.metric-card, .sub-card {
  padding: 12px;
}

.metric-card strong {
  font-size: clamp(16px, 0.95vw, 20px);
}

.sub-grid {
  gap: 10px;
}

.camera-frame {
  aspect-ratio: 16 / 9;
}

.ai-box {
  max-height: 200px;
  overflow: auto;
}

@media (min-width: 2200px) {
  .dashboard-main-grid {
    grid-template-columns: minmax(340px, 22%) minmax(620px, 42%) minmax(460px, 36%);
  }

  .device-card-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1900px) {
  :root {
    --content-max-h: none;
    --bottom-max-h: none;
  }

  body {
    overflow: auto;
  }

  .dashboard-shell {
    height: auto;
    min-height: 100vh;
    grid-template-rows: auto auto auto auto;
  }

  .dashboard-main-grid,
  .dashboard-bottom-grid {
    max-height: none;
  }
}

@media (max-width: 1680px) {
  .dashboard-main-grid,
  .dashboard-bottom-grid {
    grid-template-columns: 1fr;
  }

  .scroll-panel,
  .device-list--tall,
  .device-card-list,
  .detail-card--wide {
    overflow: visible;
    max-height: none;
  }

  .center-panel {
    min-height: 460px;
  }

  .chart-card--wide {
    max-height: none;
  }
}

@media (max-width: 1080px) {
  body {
    overflow: auto;
  }

  .top-header,
  .top-summary-row {
    grid-template-columns: 1fr;
  }

  .top-header__center,
  .top-header__right {
    justify-content: flex-start;
    text-align: left;
  }

  .summary-grid--wide {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metric-inline-grid,
  .metric-grid,
  .sub-grid {
    grid-template-columns: 1fr;
  }
}


.dashboard-shell--ops {
  grid-template-rows: auto auto minmax(420px, 1fr);
}

.top-summary-row--ops {
  grid-template-columns: minmax(760px, 1fr) minmax(260px, 340px);
}

.summary-grid--ops {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.summary-item--kpi {
  min-height: 92px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.summary-item--wide strong {
  font-size: clamp(16px, 0.95vw, 22px);
}

.dashboard-main-grid--ops {
  grid-template-columns: minmax(340px, 24%) minmax(620px, 46%) minmax(360px, 30%);
  max-height: calc(var(--app-vh) - 210px);
}

.center-panel--ops,
.right-panel--ops {
  padding-bottom: 14px;
}

.device-item--ops {
  padding: 15px;
}

.device-sub--time {
  margin-top: 2px;
}

.mini-metrics--ops div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mini-metrics--ops div span {
  color: var(--muted);
  font-size: var(--fs-label);
}

.map-footer-note {
  margin-top: 10px;
  color: var(--muted);
  font-size: var(--fs-small);
}

.ai-placeholder-grid {
  display: grid;
  gap: 12px;
}

.ai-placeholder-card {
  min-height: 140px;
}

.ai-placeholder-body {
  color: var(--muted);
  line-height: 1.7;
}

.ai-preparing-box {
  border: 1px dashed color-mix(in srgb, var(--blue) 45%, var(--line));
  border-radius: 18px;
  padding: 18px;
  background: color-mix(in srgb, var(--blue) 8%, var(--panel));
}

.ai-preparing-box__title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.ai-preparing-box__desc {
  color: var(--muted);
  line-height: 1.7;
}

@media (max-width: 1900px) {
  .dashboard-shell--ops {
    grid-template-rows: auto auto auto;
  }

  .dashboard-main-grid--ops {
    max-height: none;
  }
}

@media (max-width: 1680px) {
  .summary-grid--ops {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .dashboard-main-grid--ops {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1080px) {
  .summary-grid--ops {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .top-summary-row--ops {
    grid-template-columns: 1fr;
  }
}