html {
  overflow-y: auto;
}

body {
  margin: 0;
  min-width: 320px;
}

.presence-shell {
  background:
    linear-gradient(180deg, rgba(37, 99, 235, .06), transparent 260px),
    rgb(var(--v-theme-background));
  min-height: 100vh;
}

.login-container {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(420px, 100%);
}

.page-container {
  width: min(1420px, 100%);
  padding: 24px;
}

.top-toolbar {
  border: 1px solid rgba(var(--v-border-color), var(--v-border-opacity));
  padding-inline: 6px;
}

.title-line {
  font-size: 20px;
  font-weight: 650;
  line-height: 1.2;
}

.subtitle-line,
.panel-subtitle,
.metric-subtitle,
.table-subtitle {
  color: rgba(var(--v-theme-on-surface), .62);
  font-size: 12px;
  line-height: 1.45;
}

.overview-row {
  align-items: stretch;
}

.overview-row > .v-col {
  display: flex;
  align-items: stretch;
}

.overview-row > .v-col > .v-card {
  flex: 1 1 auto;
}

.distribution-card,
.metrics-overview-card {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.distribution-card .v-card-text,
.metrics-overview-card .v-card-text {
  flex: 1 1 auto;
}

.distribution-ring-legend {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  color: rgba(var(--v-theme-on-surface), .66);
  font-size: 12px;
  font-weight: 600;
}

.distribution-ring-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.legend-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.legend-dot.device {
  background: #2563eb;
}

.legend-dot.app {
  background: #16a34a;
}

.legend-dot.android {
  background: #dc2626;
}

.distribution-chart {
  width: 100%;
  height: 430px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: repeat(2, minmax(0, 1fr));
  align-content: stretch;
  gap: 14px;
  min-height: 430px;
}

.metric-card {
  height: 100%;
  min-height: 174px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(var(--v-border-color), var(--v-border-opacity));
  background: linear-gradient(180deg, rgb(var(--v-theme-surface)) 0%, rgba(var(--v-theme-on-surface), .025) 100%);
  box-shadow: 0 8px 20px rgba(15, 23, 42, .05);
}

.metric-bg-icon {
  position: absolute !important;
  right: 14px;
  bottom: 10px;
  color: rgb(var(--metric-color));
  opacity: .13;
  font-size: 116px !important;
  line-height: 1;
  transform: rotate(-8deg);
  pointer-events: none;
}

.metric-card-primary {
  --metric-color: var(--v-theme-primary);
}

.metric-card-success {
  --metric-color: var(--v-theme-success);
}

.metric-card-warning {
  --metric-color: var(--v-theme-warning);
}

.metric-card-info {
  --metric-color: var(--v-theme-info);
}

.metric-heading {
  display: flex;
  align-items: center;
  color: rgba(var(--v-theme-on-surface), .72);
  font-size: 13px;
  font-weight: 650;
  min-width: 0;
  position: relative;
  z-index: 1;
}

.metric-value {
  color: rgb(var(--metric-color));
  margin-top: 28px;
  font-size: 38px;
  font-weight: 760;
  line-height: 1;
  overflow-wrap: anywhere;
  position: relative;
  z-index: 1;
}

.panel-title {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  min-height: 64px;
  font-size: 16px;
  font-weight: 650;
}

.stats-window-toggle {
  flex: 0 0 auto;
}

.session-sort-controls {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-left: auto;
}

.session-sort-select {
  width: 170px;
}

.presence-chart {
  width: 100%;
  height: 320px;
}

.empty-state {
  min-height: 260px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 8px;
  color: rgba(var(--v-theme-on-surface), .68);
  text-align: center;
}

.empty-title {
  color: rgb(var(--v-theme-on-surface));
  font-size: 18px;
  font-weight: 650;
}

.empty-text {
  max-width: 420px;
  font-size: 13px;
}

.identifier {
  display: inline-block;
  max-width: 220px;
  padding: 3px 6px;
  border-radius: 6px;
  color: rgb(var(--v-theme-primary));
  background: rgba(var(--v-theme-primary), .1);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  vertical-align: middle;
  white-space: nowrap;
}

.v-data-table {
  border-top: 1px solid rgba(var(--v-border-color), var(--v-border-opacity));
}

.v-data-table th {
  white-space: nowrap;
}

.v-data-table td {
  white-space: nowrap;
}

@media (max-width: 700px) {
  .page-container {
    padding: 14px;
  }

  .top-toolbar {
    align-items: flex-start;
    height: auto !important;
    padding-block: 10px;
  }

  .top-toolbar .v-toolbar__content {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 10px;
    height: auto !important;
  }

  .title-line {
    font-size: 18px;
  }

  .presence-chart {
    height: 270px;
  }

  .distribution-chart {
    height: 380px;
  }

  .metric-grid {
    grid-template-columns: 1fr;
    grid-template-rows: none;
    min-height: 0;
  }

  .metric-card {
    min-height: 150px;
  }

  .stats-window-toggle {
    width: 100%;
  }

  .stats-window-toggle .v-btn {
    flex: 1 1 0;
    min-width: 0;
  }

  .session-sort-controls {
    width: 100%;
    margin-left: 0;
  }

  .session-sort-select {
    flex: 1 1 150px;
    width: auto;
  }
}