:root {
  color-scheme: light;
  --bg: #eef3f8;
  --panel: #ffffff;
  --text: #172033;
  --muted: #667085;
  --line: #d8e0ea;
  --brand: #0b5cad;
  --brand-dark: #073d74;
  --ok: #107c41;
  --warning: #a15c00;
  --danger: #b42318;
  --shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 18px;
}

.topbar {
  align-items: center;
  background: var(--brand-dark);
  color: white;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 32px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1;
}

h2 {
  font-size: clamp(24px, 3vw, 34px);
}

.eyebrow {
  color: inherit;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  opacity: 0.72;
  text-transform: uppercase;
}

.nav {
  align-items: center;
  display: flex;
  gap: 12px;
}

.nav a,
.nav button {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  color: white;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-weight: 700;
  min-height: 48px;
  padding: 12px 20px;
  text-decoration: none;
}

.nav a[aria-current="page"],
.nav button {
  background: white;
  color: var(--brand-dark);
}

button,
.button-link {
  align-items: center;
  background: var(--brand);
  border: 0;
  border-radius: 999px;
  color: white;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-weight: 700;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  text-decoration: none;
}

.secondary-button {
  background: #475467;
}

.danger-button {
  background: var(--danger);
}

.dashboard {
  display: grid;
  gap: 24px;
  padding: 24px;
}

.summary-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.summary-card,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.summary-card {
  display: grid;
  gap: 10px;
  min-height: 150px;
  padding: 24px;
}

.summary-card span {
  color: var(--muted);
  font-weight: 700;
}

.summary-card strong {
  align-self: end;
  font-size: clamp(44px, 7vw, 76px);
  line-height: 0.9;
}

.summary-card.warning {
  border-color: rgba(161, 92, 0, 0.35);
}

.summary-card.danger {
  border-color: rgba(180, 35, 24, 0.4);
}

.hero-panel {
  background: linear-gradient(135deg, #ffffff, #dcecff);
}

.panel {
  padding: 24px;
}

.panel p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.5;
  margin-top: 8px;
}

.content-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: 2fr 1fr;
}

.config-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.config-card {
  display: grid;
  gap: 16px;
  min-height: 260px;
}

.config-card p:not(.eyebrow) {
  margin: 0;
}

.config-card button {
  align-self: end;
  justify-self: start;
}

.form-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 20px;
}

.form-grid.device-form,
.form-grid.report-filter,
.form-grid.compact-create-form {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.wmbus-slots {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.wmbus-slot-row {
  align-items: end;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.wmbus-record-fixed {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding-bottom: 2px;
}

.wmbus-record-fixed-label {
  color: var(--muted);
  font-size: 15px;
  font-weight: 800;
  text-transform: uppercase;
}

.wmbus-record-fixed-num {
  align-items: center;
  background: #eef3f8;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--text);
  display: inline-flex;
  font-size: 20px;
  font-weight: 800;
  justify-content: center;
  line-height: 1;
  min-height: 48px;
  padding: 10px 12px;
  width: 100%;
}

fieldset[data-wmbus-fieldset][hidden] {
  display: none !important;
}

fieldset.wmbus-only {
  border: 1px solid var(--line);
  border-radius: 16px;
  margin: 0;
  padding: 16px 16px 20px;
}

fieldset.wmbus-only legend {
  font-weight: 800;
  padding: 0 8px;
}

label {
  color: var(--muted);
  display: grid;
  font-size: 15px;
  font-weight: 800;
  gap: 8px;
  text-transform: uppercase;
}

label.js-water-meter-only[hidden] {
  display: none !important;
}

input,
select,
textarea {
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--text);
  font: inherit;
  min-height: 48px;
  padding: 12px 14px;
  text-transform: none;
}

textarea {
  resize: vertical;
}

.full {
  grid-column: 1 / -1;
}

.helper-text {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.4;
}

.management-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.management-list-expandable {
  gap: 8px;
}

.management-expandable {
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}

.management-expandable.muted-card {
  opacity: 0.72;
}

.management-expandable > summary {
  list-style: none;
}

.management-expandable > summary::-webkit-details-marker {
  display: none;
}

.expandable-summary {
  align-items: center;
  cursor: pointer;
  display: grid;
  gap: 12px;
  grid-template-columns: auto minmax(0, 1fr) auto;
  padding: 12px 14px;
  user-select: none;
}

.expandable-summary:focus-visible {
  outline: 3px solid rgba(11, 92, 173, 0.35);
  outline-offset: -3px;
}

.expandable-chevron {
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  display: inline-block;
  height: 8px;
  margin-top: 2px;
  transform: rotate(-45deg);
  transition: transform 0.15s ease;
  width: 8px;
}

.management-expandable[open] .expandable-chevron {
  margin-top: -2px;
  transform: rotate(45deg);
}

.expandable-main {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.expandable-main strong {
  font-size: 17px;
}

.expandable-sub {
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.expandable-meta {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.pill-quiet {
  background: #eef3f8;
  color: var(--muted);
  max-width: min(260px, 42vw);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.expandable-body {
  border-top: 1px solid var(--line);
  padding: 14px 14px 16px;
}

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

.expandable-edit-form label {
  gap: 6px;
}

.expandable-full {
  grid-column: 1 / -1;
}

.expandable-edit-form input,
.expandable-edit-form select {
  min-height: 44px;
}

.expandable-edit-form .pill {
  align-items: center;
  justify-content: flex-start;
  min-height: 44px;
}

.expandable-actions {
  align-items: center;
  display: flex;
  gap: 12px;
  margin-top: 4px;
}

.expandable-secondary-actions {
  align-items: center;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
  padding-top: 14px;
}

.expandable-body > form:not(.expandable-edit-form) {
  margin: 0;
}

.readonly-value {
  align-items: center;
  background: #eef3f8;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--muted);
  display: inline-flex;
  font-weight: 700;
  justify-content: flex-start;
  min-height: 44px;
  padding: 8px 10px;
  width: 100%;
}

.inline-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.modal {
  border: 0;
  border-radius: 28px;
  box-shadow: 0 28px 80px rgba(15, 23, 42, 0.28);
  color: var(--text);
  margin: auto;
  max-height: min(86vh, 900px);
  max-width: min(1180px, calc(100vw - 48px));
  overflow: auto;
  padding: 24px;
  width: 100%;
}

.modal::backdrop {
  background: rgba(15, 23, 42, 0.55);
}

.modal-header {
  align-items: center;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  margin-bottom: 20px;
}

.modal .table-wrap,
.modal .management-list {
  margin-top: 20px;
}

.device-add-panel {
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 16px;
  margin-top: 0;
  overflow: hidden;
}

.device-add-panel > summary {
  list-style: none;
}

.device-add-panel > summary::-webkit-details-marker {
  display: none;
}

.device-add-summary {
  align-items: center;
  cursor: pointer;
  display: flex;
  gap: 12px;
  padding: 12px 14px;
  user-select: none;
}

.device-add-summary:focus-visible {
  outline: 3px solid rgba(11, 92, 173, 0.35);
  outline-offset: -3px;
}

.device-add-summary-text {
  font-size: 16px;
  font-weight: 700;
}

.device-add-panel[open] .expandable-chevron {
  margin-top: -2px;
  transform: rotate(45deg);
}

.device-add-panel-body {
  border-top: 1px solid var(--line);
  padding: 14px 14px 16px;
}

.wide {
  grid-column: 1 / -1;
}

.section-heading {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: 18px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  border-collapse: collapse;
  min-width: 900px;
  width: 100%;
}

.report-table .report-group-head td {
  background: rgba(11, 92, 173, 0.07);
  border-bottom: 1px solid var(--line);
  color: var(--text);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.02em;
  padding: 14px 12px;
  text-transform: none;
}

.report-empty {
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
}

.env-history-range {
  font-size: 15px;
  margin-top: 6px;
}

/* Chart.js maintainAspectRatio:false needs explicit slot height or the canvas grows without bound */
#env-history-modal .env-history-chart-host {
  margin-top: 8px;
  width: 100%;
}

#env-history-modal .env-history-chart-slot {
  box-sizing: border-box;
  height: min(260px, 42vh);
  max-height: 42vh;
  position: relative;
  width: 100%;
}

#env-history-modal .env-history-chart-slot canvas {
  display: block;
}

#env-history-modal .env-history-chart-host--co2 {
  margin-top: 12px;
}

#env-history-modal .env-history-chart-slot--co2 {
  height: min(200px, 34vh);
  max-height: 34vh;
}

.env-history-chart-host--co2 .env-history-co2-eyebrow {
  margin-bottom: 8px;
}

.report-filter .flatpickr-alt-input {
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-sizing: border-box;
  color: var(--text);
  font: inherit;
  min-height: 48px;
  padding: 12px 14px;
  width: 100%;
}

.flatpickr-calendar {
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.flatpickr-day.selected,
.flatpickr-day.startRange,
.flatpickr-day.endRange {
  background: var(--brand);
  border-color: var(--brand);
}

.flatpickr-day.selected:hover,
.flatpickr-day.startRange:hover,
.flatpickr-day.endRange:hover {
  background: var(--brand-dark);
  border-color: var(--brand-dark);
}

.water-daily-chart-legend {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-bottom: 12px;
  margin-top: 4px;
}

.water-daily-range {
  font-size: 15px;
  margin-top: 6px;
}

.water-legend-swatch {
  border-radius: 4px;
  display: inline-block;
  flex-shrink: 0;
  height: 14px;
  margin-right: 6px;
  vertical-align: middle;
  width: 14px;
}

.water-legend-swatch--cold {
  background: #0b5cad;
}

.water-legend-swatch--hot {
  background: #b42318;
}

#water-daily-modal .water-daily-chart-slot {
  box-sizing: border-box;
  height: min(420px, 56vh);
  margin-top: 8px;
  max-height: 56vh;
  position: relative;
  width: 100%;
}

#water-daily-modal .water-daily-chart-slot canvas {
  display: block;
}

.report-table .water-daily-chart-open {
  font-size: 15px;
  min-height: 44px;
  padding: 8px 14px;
}

.muted {
  color: var(--muted);
}

.report-table .secondary-button {
  font-size: 15px;
  min-height: 44px;
  padding: 8px 14px;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 18px 12px;
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.sortable-header {
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.sortable-header::after {
  content: " ↕";
  opacity: 0.45;
}

.sortable-header[aria-sort="ascending"]::after {
  content: " ↑";
  opacity: 1;
}

.sortable-header[aria-sort="descending"]::after {
  content: " ↓";
  opacity: 1;
}

.sortable-header:focus-visible {
  outline: 3px solid rgba(11, 92, 173, 0.35);
  outline-offset: -3px;
}

td small {
  color: var(--muted);
  display: block;
  font-size: 14px;
  margin-top: 6px;
}

.pill {
  border-radius: 999px;
  display: inline-flex;
  font-size: 15px;
  font-weight: 800;
  padding: 8px 12px;
  text-transform: uppercase;
}

.pill.ok {
  background: #dff6e8;
  color: var(--ok);
}

.pill.warning {
  background: #fff0d5;
  color: var(--warning);
}

.pill.danger {
  background: #fde3df;
  color: var(--danger);
}

.status-list,
.event-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.status-row,
.event-row {
  align-items: center;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 18px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px;
}

.status-row span,
.event-row span {
  color: var(--muted);
  display: block;
  font-size: 15px;
  margin-top: 4px;
}

@media (max-width: 1100px) {
  body {
    font-size: 17px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .content-grid {
    grid-template-columns: 1fr;
  }

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

  .form-grid,
  .form-grid.device-form,
  .form-grid.report-filter,
  .form-grid.compact-create-form,
  .expandable-edit-form {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .dashboard,
  .topbar {
    padding: 16px;
  }

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

  .nav {
    align-items: stretch;
    flex-wrap: wrap;
  }

  .config-grid {
    grid-template-columns: 1fr;
  }

  .modal {
    border-radius: 0;
    max-height: 100vh;
    max-width: 100vw;
  }

  .modal-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .expandable-summary {
    grid-template-columns: auto minmax(0, 1fr);
    grid-template-rows: auto auto;
    row-gap: 10px;
  }

  .expandable-chevron {
    grid-row: 1 / 3;
    align-self: start;
    margin-top: 6px;
  }

  .expandable-main {
    grid-column: 2;
    grid-row: 1;
  }

  .expandable-meta {
    grid-column: 2;
    grid-row: 2;
    justify-content: flex-start;
  }

  .pill-quiet {
    max-width: 100%;
    white-space: normal;
  }

  .form-grid,
  .form-grid.device-form,
  .form-grid.report-filter,
  .form-grid.compact-create-form,
  .expandable-edit-form {
    grid-template-columns: 1fr;
  }

  .wmbus-slot-row {
    grid-template-columns: 1fr;
  }
}