:root {
  color-scheme: dark;
  --bg: #171310;
  --bg-soft: #211a16;
  --panel: #27201b;
  --panel-strong: #322822;
  --border: #49392e;
  --text: #f6eee7;
  --muted: #b8a99c;
  --accent: #e6a15f;
  --accent-strong: #ffbd7a;
  --mint: #77d1a7;
  --blue: #8db7ff;
  --danger: #ff6b5f;
  --shadow: 0 16px 44px rgba(0, 0, 0, 0.28);
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #fbf5ed;
  --bg-soft: #f3e8dc;
  --panel: #fffaf4;
  --panel-strong: #f8ecdf;
  --border: #dfcdb9;
  --text: #2a211b;
  --muted: #766657;
  --accent: #b35f2b;
  --accent-strong: #8d431f;
  --mint: #277a58;
  --blue: #2f67b2;
  --danger: #b42318;
  --shadow: 0 12px 30px rgba(103, 67, 39, 0.15);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
  overscroll-behavior-y: contain;
}

body {
  min-height: 100%;
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(230, 161, 95, 0.16), transparent 32rem),
    linear-gradient(180deg, var(--bg), var(--bg-soft));
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.4;
  overscroll-behavior-y: contain;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  width: min(100%, 920px);
  margin: 0 auto;
  padding: calc(18px + env(safe-area-inset-top)) 14px calc(86px + env(safe-area-inset-bottom));
}

.pull-refresh {
  position: fixed;
  top: calc(8px + env(safe-area-inset-top));
  left: 50%;
  z-index: 30;
  min-height: 32px;
  padding: 6px 12px;
  transform: translate(-50%, -130%);
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(39, 32, 27, 0.96);
  color: var(--muted);
  box-shadow: var(--shadow);
  font-size: 0.82rem;
  font-weight: 800;
  opacity: 0;
  pointer-events: none;
  transition: transform 160ms ease, opacity 160ms ease, background 160ms ease, color 160ms ease;
}

html[data-theme="light"] .pull-refresh {
  background: rgba(255, 250, 244, 0.96);
}

.pull-refresh.visible {
  transform: translate(-50%, 0);
  opacity: 1;
}

.pull-refresh.ready {
  border-color: var(--accent);
  background: var(--accent);
  color: #1d1410;
}

.pull-refresh.refreshing {
  border-color: rgba(119, 209, 167, 0.45);
  color: var(--mint);
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.topbar h1 {
  margin: 0;
  font-size: 1.72rem;
  line-height: 1.1;
  letter-spacing: 0;
}

.device-name,
.muted,
.panel-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.top-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.icon-button,
.small-button,
.tab-button,
.reset-button {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
}

.icon-button,
.small-button {
  min-height: 34px;
  padding: 0 12px;
  color: var(--muted);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.status-online {
  color: var(--mint);
  border-color: rgba(119, 209, 167, 0.45);
}

.status-stale {
  color: var(--accent-strong);
  border-color: rgba(230, 161, 95, 0.55);
}

.status-offline {
  color: var(--danger);
  border-color: rgba(255, 107, 95, 0.5);
}

.status-never_seen {
  color: var(--muted);
  border-color: var(--border);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.hero-card,
.panel,
.danger-panel,
.metric-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(39, 32, 27, 0.9);
  box-shadow: var(--shadow);
}

html[data-theme="light"] .hero-card,
html[data-theme="light"] .panel,
html[data-theme="light"] .danger-panel,
html[data-theme="light"] .metric-card {
  background: rgba(255, 250, 244, 0.94);
}

.hero-card {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px;
  margin-bottom: 12px;
}

.hero-card h2 {
  margin: 3px 0 0;
  font-size: 1.25rem;
  letter-spacing: 0;
}

.hero-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--muted);
  font-size: 0.82rem;
  text-align: right;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.metric-grid.compact {
  margin: 14px 0;
}

.metric-card {
  min-height: 92px;
  padding: 14px;
  overflow: hidden;
}

.metric-card.wide {
  grid-column: span 2;
}

.metric-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.82rem;
}

.metric-card strong {
  display: block;
  color: var(--text);
  font-size: 1.42rem;
  line-height: 1.1;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.stat-card {
  min-height: 122px;
}

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

.stat-chip {
  display: grid;
  gap: 5px;
  min-width: 0;
  margin-bottom: 0;
  padding: 9px 7px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-strong);
  color: inherit;
  font-size: inherit;
}

.metric-card .stat-chip .stat-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1;
  text-transform: uppercase;
}

.metric-card .stat-chip strong {
  font-size: 0.98rem;
  line-height: 1.05;
  overflow-wrap: normal;
  white-space: nowrap;
}

.stat-empty {
  color: var(--muted);
  font-size: 0.92rem;
}

.panel,
.danger-panel {
  padding: 16px;
  margin-bottom: 12px;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.panel-heading.stacked {
  align-items: flex-start;
  flex-wrap: wrap;
}

.panel-heading.stacked > div {
  flex: 1 1 100%;
}

.panel-heading.stacked .date-input-wrap {
  width: 100%;
}

.activity-heading {
  align-items: flex-start;
  flex-wrap: wrap;
}

.activity-heading span {
  flex: 1 1 100%;
  text-align: left;
}

.panel-heading h2,
.danger-panel h2 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.panel-heading span {
  color: var(--muted);
  font-size: 0.82rem;
  text-align: right;
}

.mini-chart {
  display: block;
  width: 100%;
  height: 180px;
  border-radius: 8px;
  background: var(--panel-strong);
}

.date-input,
.select-input,
.danger-panel input {
  min-height: 40px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-strong);
  color: var(--text);
  padding: 0 12px;
}

.date-input-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-width: 154px;
  min-height: 40px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-strong);
  color: var(--text);
  padding: 0 12px;
  cursor: pointer;
}

.date-input-wrap span {
  color: var(--text);
  font-size: 0.9rem;
  text-align: left;
}

.native-date-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  margin: 0;
  padding: 0;
  background: transparent;
  color: transparent;
  cursor: pointer;
  opacity: 0;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}

th,
td {
  padding: 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
  font-size: 0.84rem;
}

th {
  color: var(--muted);
  font-weight: 700;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.night-list {
  display: grid;
  gap: 10px;
}

.night-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-strong);
  color: var(--text);
  padding: 12px;
  text-align: left;
}

.night-card strong {
  display: block;
  font-size: 1rem;
}

.night-card span {
  color: var(--muted);
  font-size: 0.82rem;
}

.night-card .night-values {
  display: flex;
  flex-direction: column;
  gap: 3px;
  text-align: right;
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.danger-panel {
  border-color: rgba(255, 107, 95, 0.65);
  background: linear-gradient(180deg, rgba(255, 107, 95, 0.12), rgba(39, 32, 27, 0.94));
}

html[data-theme="light"] .danger-panel {
  background: linear-gradient(180deg, rgba(180, 35, 24, 0.08), rgba(255, 250, 244, 0.96));
}

.danger-panel p {
  margin: 8px 0 14px;
  color: var(--muted);
}

.danger-panel label {
  display: grid;
  gap: 7px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 0.88rem;
}

.checkbox-row {
  grid-template-columns: auto 1fr;
  align-items: start;
}

.checkbox-row input {
  width: 20px;
  min-height: 20px;
  margin-top: 1px;
}

.reset-button {
  width: 100%;
  min-height: 46px;
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
  font-weight: 800;
}

.reset-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.reset-result {
  min-height: 20px;
  margin-bottom: 0;
}

.tabbar {
  position: fixed;
  left: 50%;
  bottom: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  width: min(100%, 920px);
  padding: 10px 10px calc(10px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  border-top: 1px solid var(--border);
  background: rgba(23, 19, 16, 0.92);
  backdrop-filter: blur(16px);
}

html[data-theme="light"] .tabbar {
  background: rgba(251, 245, 237, 0.92);
}

.tab-button {
  min-height: 42px;
  padding: 0 6px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.tab-button.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #1d1410;
}

.empty-state,
.error-state {
  color: var(--muted);
  padding: 14px;
}

.error-state {
  color: var(--danger);
}

@media (min-width: 680px) {
  .app-shell {
    padding-left: 22px;
    padding-right: 22px;
  }

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

  .metric-card.wide {
    grid-column: span 2;
  }
}