:root,
[data-theme="dark"] {
  --bg-canvas: #000000;
  --bg-grouped: #1c1c1e;
  --bg-grouped-elevated: #242426;
  --bg-control: #2c2c2e;
  --bg-control-active: #48484a;
  --bg-nav: rgba(18, 18, 20, 0.78);
  --bg-sheet: #1c1c1e;
  --bg-row-hover: rgba(255, 255, 255, 0.045);
  --bg-row-selected: rgba(10, 132, 255, 0.14);

  --text-primary: #f5f5f7;
  --text-secondary: rgba(235, 235, 245, 0.62);
  --text-tertiary: rgba(235, 235, 245, 0.38);
  --text-quaternary: rgba(235, 235, 245, 0.22);

  --hairline: rgba(255, 255, 255, 0.11);
  --hairline-subtle: rgba(255, 255, 255, 0.065);

  --ios-blue: #0a84ff;
  --ios-amber: #ff9f0a;
  --ios-mint: #30d158;
  --ios-red: #ff453a;
  --ios-purple: #bf5af2;
  --ios-teal: #64d2ff;

  --city-0: #0a84ff;
  --city-0-rgb: 10, 132, 255;
  --city-1: #ff9f0a;
  --city-1-rgb: 255, 159, 10;
  --city-2: #30d158;
  --city-2-rgb: 48, 209, 88;

  --chart-grid: rgba(255, 255, 255, 0.07);
  --chart-zero: rgba(100, 210, 255, 0.35);
  --chart-crosshair: rgba(255, 255, 255, 0.55);
  --chart-label: rgba(235, 235, 245, 0.52);

  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.04) inset;
  --shadow-seg: 0 2px 6px rgba(0, 0, 0, 0.38);
}

[data-theme="light"] {
  --bg-canvas: #f2f2f7;
  --bg-grouped: #ffffff;
  --bg-grouped-elevated: #f8f8fa;
  --bg-control: rgba(118, 118, 128, 0.12);
  --bg-control-active: #ffffff;
  --bg-nav: rgba(242, 242, 247, 0.82);
  --bg-sheet: #f2f2f7;
  --bg-row-hover: rgba(0, 0, 0, 0.03);
  --bg-row-selected: rgba(0, 122, 255, 0.1);

  --text-primary: #1c1c1e;
  --text-secondary: rgba(60, 60, 67, 0.66);
  --text-tertiary: rgba(60, 60, 67, 0.42);
  --text-quaternary: rgba(60, 60, 67, 0.24);

  --hairline: rgba(60, 60, 67, 0.15);
  --hairline-subtle: rgba(60, 60, 67, 0.08);

  --ios-blue: #007aff;
  --ios-amber: #ea8000;
  --ios-mint: #1f9d45;
  --ios-red: #ff3b30;

  --city-0: #007aff;
  --city-0-rgb: 0, 122, 255;
  --city-1: #ea8000;
  --city-1-rgb: 234, 128, 0;
  --city-2: #1f9d45;
  --city-2-rgb: 31, 157, 69;

  --chart-grid: rgba(60, 60, 67, 0.09);
  --chart-zero: rgba(0, 122, 255, 0.35);
  --chart-crosshair: rgba(60, 60, 67, 0.5);
  --chart-label: rgba(60, 60, 67, 0.56);

  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-seg: 0 1px 3px rgba(0, 0, 0, 0.14);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.35;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

.mono {
  font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  font-variant-numeric: tabular-nums;
}

.ios-shell {
  min-height: 100dvh;
  padding-bottom: calc(28px + env(safe-area-inset-bottom, 0px));
}

/* Sticky Translucent iOS Navigation Bar */
.ios-navbar {
  position: sticky;
  top: 0;
  z-index: 40;
  padding-top: env(safe-area-inset-top, 0px);
  background: var(--bg-nav);
  backdrop-filter: saturate(180%) blur(22px);
  -webkit-backdrop-filter: saturate(180%) blur(22px);
  border-bottom: 0.5px solid var(--hairline);
}

.ios-navbar-inner {
  max-width: 1120px;
  margin: 0 auto;
  height: 48px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.brand-cluster {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
}

.brand-title {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  white-space: nowrap;
}

.brand-sep {
  color: var(--ios-blue);
  font-weight: 800;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ios-mint);
  margin-right: 4px;
  flex-shrink: 0;
}

.status-dot.loading {
  background: var(--ios-amber);
  animation: pulse-dot 1s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 1; }
}

.utc-clock {
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 11px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* iOS Segmented Controls & Pill Buttons */
.ios-segmented {
  display: inline-flex;
  align-items: center;
  background: var(--bg-control);
  padding: 2px;
  border-radius: 8px;
  gap: 1px;
  user-select: none;
}

.ios-segmented-sm .seg-btn {
  padding: 4px 8px;
  font-size: 11.5px;
}

.seg-btn {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 6.5px;
  cursor: pointer;
  transition: background 0.14s ease, color 0.14s ease;
  white-space: nowrap;
}

.seg-btn:hover {
  color: var(--text-primary);
}

.seg-btn.active {
  background: var(--bg-control-active);
  color: var(--text-primary);
  box-shadow: var(--shadow-seg);
}

.ios-pill-btn {
  appearance: none;
  border: 0.5px solid var(--hairline);
  background: var(--bg-control);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 11.5px;
  font-weight: 600;
  padding: 5px 9px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  transition: all 0.14s ease;
  white-space: nowrap;
}

.ios-pill-btn:hover {
  color: var(--text-primary);
}

.ios-pill-btn.active {
  background: rgba(10, 132, 255, 0.16);
  border-color: rgba(10, 132, 255, 0.45);
  color: var(--ios-blue);
}

.ios-icon-btn {
  appearance: none;
  border: 0.5px solid var(--hairline);
  background: var(--bg-control);
  color: var(--text-primary);
  width: 29px;
  height: 29px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* Main Content Layout */
.ios-content {
  max-width: 1120px;
  margin: 0 auto;
  padding: 12px 12px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.section-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.section-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4px;
  gap: 8px;
}

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.slot-counter {
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 10.5px;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--bg-control);
  color: var(--text-primary);
}

.section-sub-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hint-label {
  font-size: 11px;
  color: var(--text-tertiary);
}

.text-action-btn {
  appearance: none;
  border: none;
  background: none;
  color: var(--ios-blue);
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  padding: 2px 4px;
}

.text-action-btn:disabled {
  color: var(--text-quaternary);
  cursor: default;
}

/* iOS Grouped Card Base */
.ios-card {
  background: var(--bg-grouped);
  border: 0.5px solid var(--hairline);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

/* City Slots Grid (Up to 3 cities side-by-side) */
.city-slots-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.station-card {
  position: relative;
  background: var(--bg-grouped);
  border: 0.5px solid var(--hairline);
  border-radius: 13px;
  padding: 10px 11px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
  user-select: none;
  min-width: 0;
}

.station-card:hover {
  background: var(--bg-grouped-elevated);
}

.station-card.is-ref {
  border-color: var(--slot-color);
}

.station-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2.5px;
  background: var(--slot-color);
  border-radius: 13px 13px 0 0;
}

.station-top-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 4px;
}

.station-id-group {
  min-width: 0;
  flex: 1;
}

.station-title-line {
  display: flex;
  align-items: center;
  gap: 5px;
  min-width: 0;
}

.slot-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--slot-color);
  flex-shrink: 0;
}

.station-name {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ref-badge {
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 9px;
  font-weight: 700;
  padding: 1px 4px;
  border-radius: 4px;
  background: rgba(var(--slot-rgb), 0.18);
  color: var(--slot-color);
  border: 0.5px solid rgba(var(--slot-rgb), 0.42);
  flex-shrink: 0;
}

.station-meta-line {
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 10px;
  color: var(--text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 1px;
}

.station-card-actions {
  display: flex;
  align-items: center;
  gap: 3px;
}

.card-mini-btn {
  appearance: none;
  border: none;
  background: var(--bg-control);
  color: var(--text-secondary);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 13px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.card-mini-btn:hover {
  background: var(--bg-control-active);
  color: var(--text-primary);
}

.station-main-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px;
}

.station-temp-cluster {
  display: flex;
  align-items: baseline;
  gap: 5px;
}

.station-big-temp {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--text-primary);
}

.station-delta-pill {
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 10.5px;
  font-weight: 600;
  padding: 1px 4px;
  border-radius: 4px;
  background: var(--bg-control);
  color: var(--text-secondary);
}

.station-delta-pill.pos {
  color: #ff6961;
  background: rgba(255, 69, 58, 0.13);
}

.station-delta-pill.neg {
  color: #64d2ff;
  background: rgba(100, 210, 255, 0.13);
}

.station-wmo-tag {
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.station-sub-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  padding-top: 6px;
  border-top: 0.5px solid var(--hairline-subtle);
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 10.5px;
}

.sub-stat-item {
  display: flex;
  flex-direction: column;
}

.sub-stat-label {
  font-size: 9px;
  color: var(--text-tertiary);
  text-transform: uppercase;
}

.sub-stat-val {
  color: var(--text-secondary);
  font-weight: 600;
  white-space: nowrap;
}

/* Empty Add Station Slot Card */
.station-add-slot {
  background: rgba(118, 118, 128, 0.06);
  border: 1px dashed var(--hairline);
  border-radius: 13px;
  min-height: 98px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
}

.station-add-slot:hover {
  border-color: var(--ios-blue);
  color: var(--ios-blue);
  background: rgba(10, 132, 255, 0.06);
}

.add-slot-plus {
  font-size: 20px;
  font-weight: 500;
  line-height: 1;
}

.add-slot-label {
  font-size: 11.5px;
  font-weight: 600;
}

/* Chart Card */
.chart-card {
  padding: 12px 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chart-top-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.chart-right-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Live Scrubber Telemetry Readout Header */
.scrubber-readout {
  background: var(--bg-grouped-elevated);
  border: 0.5px solid var(--hairline-subtle);
  border-radius: 10px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.scrubber-top-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 11px;
  color: var(--text-secondary);
}

.scrubber-time-title {
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.scrubber-mode-desc {
  font-size: 10.5px;
  color: var(--text-tertiary);
}

.scrubber-cities-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.scrub-city-cell {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding-left: 7px;
  border-left: 2.5px solid var(--slot-color);
  min-width: 0;
}

.scrub-city-name {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.scrub-primary-val {
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
}

.scrub-secondary-val {
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 10px;
  color: var(--text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Chart Legend & Solo Filter Bar */
.chart-legend-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.legend-city-chips {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.legend-chip {
  appearance: none;
  border: 0.5px solid var(--hairline);
  background: var(--bg-control);
  color: var(--text-primary);
  border-radius: 7px;
  padding: 3px 8px;
  font-size: 11px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  transition: opacity 0.14s ease, border-color 0.14s ease, background 0.14s ease;
}

.legend-chip.dimmed {
  opacity: 0.38;
}

.legend-chip.solo {
  border-color: var(--slot-color);
  background: rgba(var(--slot-rgb), 0.16);
}

.legend-swatch {
  width: 10px;
  height: 8px;
  border-radius: 2px;
  background: rgba(var(--slot-rgb), 0.35);
  border-top: 2px solid var(--slot-color);
  border-bottom: 1px dashed var(--slot-color);
}

.legend-guide {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 10px;
  color: var(--text-tertiary);
}

.guide-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.guide-line-solid {
  width: 12px;
  height: 2px;
  background: var(--text-secondary);
}

.guide-line-dashed {
  width: 12px;
  height: 0;
  border-bottom: 1.5px dashed var(--text-secondary);
}

.guide-band-box {
  width: 10px;
  height: 8px;
  background: rgba(10, 132, 255, 0.25);
  border: 0.5px solid var(--ios-blue);
  border-radius: 2px;
}

/* High-DPI Canvas Stage */
.canvas-stage {
  position: relative;
  width: 100%;
  height: 280px;
  user-select: none;
  -webkit-user-select: none;
  touch-action: pan-y;
}

#wx-chart-canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

/* Sub-chart Footer Summary Metrics */
.chart-footer-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  padding-top: 8px;
  border-top: 0.5px solid var(--hairline-subtle);
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
}

.footer-metric-cell {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.footer-metric-label {
  font-size: 9.5px;
  color: var(--text-tertiary);
  text-transform: uppercase;
}

.footer-metric-val {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Daily Thermal Envelope Matrix (Apple Weather Range Bars) */
.daily-matrix-list {
  display: flex;
  flex-direction: column;
}

.matrix-day-row {
  display: grid;
  grid-template-columns: 76px 1fr 118px;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-bottom: 0.5px solid var(--hairline-subtle);
  cursor: pointer;
  transition: background 0.12s ease;
}

.matrix-day-row:last-child {
  border-bottom: none;
}

.matrix-day-row:hover {
  background: var(--bg-row-hover);
}

.matrix-day-row.selected {
  background: var(--bg-row-selected);
}

.matrix-day-label {
  display: flex;
  flex-direction: column;
}

.matrix-dow {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-primary);
}

.matrix-date {
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 10px;
  color: var(--text-tertiary);
}

.matrix-bars-stack {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.matrix-city-bar-line {
  display: grid;
  grid-template-columns: 32px 34px 1fr 34px;
  align-items: center;
  gap: 6px;
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 10.5px;
}

.bar-city-code {
  font-weight: 700;
  color: var(--slot-color);
  font-size: 10px;
}

.bar-temp-min {
  text-align: right;
  color: var(--text-secondary);
}

.bar-temp-max {
  text-align: left;
  color: var(--text-primary);
  font-weight: 600;
}

.bar-track {
  position: relative;
  height: 5px;
  background: var(--bg-control);
  border-radius: 999px;
  overflow: hidden;
}

.bar-fill {
  position: absolute;
  top: 0;
  bottom: 0;
  border-radius: 999px;
  background: var(--slot-color);
  opacity: 0.88;
}

.matrix-day-right {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 10px;
  text-align: right;
  color: var(--text-tertiary);
}

/* Telemetry Inspector (Nerd Stats Grouped Tables) */
.inspector-badge {
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 10px;
  font-weight: 700;
  padding: 1.5px 6px;
  border-radius: 5px;
  background: rgba(10, 132, 255, 0.16);
  color: var(--ios-blue);
}

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

.telemetry-group-card {
  background: var(--bg-grouped);
  border: 0.5px solid var(--hairline);
  border-radius: 13px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.telemetry-group-header {
  padding: 8px 12px;
  background: var(--bg-grouped-elevated);
  border-bottom: 0.5px solid var(--hairline);
  display: grid;
  grid-template-columns: minmax(112px, 1.25fr) repeat(3, minmax(0, 1fr));
  align-items: center;
  gap: 6px;
}

.tg-title {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.tg-city-col {
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 10.5px;
  font-weight: 700;
  text-align: right;
  color: var(--slot-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.telemetry-rows {
  display: flex;
  flex-direction: column;
}

.telemetry-row {
  display: grid;
  grid-template-columns: minmax(112px, 1.25fr) repeat(3, minmax(0, 1fr));
  align-items: center;
  gap: 6px;
  padding: 6.5px 12px;
  border-bottom: 0.5px solid var(--hairline-subtle);
  font-size: 12px;
}

.telemetry-row:last-child {
  border-bottom: none;
}

.t-param-cell {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.t-param-main {
  display: flex;
  align-items: baseline;
  gap: 5px;
}

.t-symbol {
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-primary);
}

.t-unit {
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 9.5px;
  color: var(--text-tertiary);
}

.t-label {
  font-size: 10px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.t-val-cell {
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 11.5px;
  font-weight: 600;
  text-align: right;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  min-width: 0;
}

.t-val-cell.empty {
  color: var(--text-quaternary);
}

.t-delta-sub {
  font-size: 9.5px;
  font-weight: 500;
  color: var(--text-tertiary);
}

.t-delta-sub.pos {
  color: #ff6961;
}

.t-delta-sub.neg {
  color: #64d2ff;
}

/* Mini inline cloud layer tri-bar inside telemetry cell */
.cloud-tri-bar {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  margin-top: 2px;
}

.cloud-seg {
  width: 14px;
  height: 3px;
  background: var(--bg-control);
  border-radius: 1px;
  overflow: hidden;
  position: relative;
}

.cloud-seg > span {
  display: block;
  height: 100%;
  background: var(--slot-color);
}

/* Wind direction arrow inline */
.wind-vec {
  display: inline-block;
  font-size: 11px;
  line-height: 1;
  margin-right: 2px;
}

/* iOS Modal Sheet for Station Selection */
.ios-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: none;
  align-items: flex-end;
  justify-content: center;
}

.ios-modal-backdrop.open {
  display: flex;
}

.ios-sheet {
  width: 100%;
  max-width: 560px;
  max-height: 86dvh;
  background: var(--bg-sheet);
  border-top: 0.5px solid var(--hairline);
  border-radius: 20px 20px 0 0;
  padding: 8px 16px calc(20px + env(safe-area-inset-bottom, 0px));
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.45);
  animation: sheet-up 0.2s cubic-bezier(0.2, 0.9, 0.3, 1);
}

@keyframes sheet-up {
  from { transform: translateY(40px); opacity: 0.5; }
  to { transform: translateY(0); opacity: 1; }
}

.sheet-grabber {
  width: 36px;
  height: 5px;
  border-radius: 99px;
  background: var(--text-quaternary);
  margin: 0 auto;
}

.sheet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.sheet-title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.sheet-subtitle {
  font-size: 11.5px;
  color: var(--text-secondary);
}

.sheet-done-btn {
  appearance: none;
  border: none;
  background: var(--bg-control);
  color: var(--ios-blue);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 99px;
  cursor: pointer;
}

.sheet-search-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ios-search-field {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 7px;
  background: var(--bg-control);
  border-radius: 10px;
  padding: 7px 10px;
  color: var(--text-secondary);
}

.ios-search-field input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13.5px;
}

.ios-search-field input::placeholder {
  color: var(--text-tertiary);
}

.search-clear-btn {
  appearance: none;
  border: none;
  background: var(--text-tertiary);
  color: var(--bg-sheet);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  font-size: 12px;
  line-height: 1;
  cursor: pointer;
}

.gps-btn {
  appearance: none;
  border: 0.5px solid var(--hairline);
  background: var(--bg-control);
  color: var(--ios-blue);
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  padding: 7px 11px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}

.sheet-active-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.active-slot-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 8px;
  border-radius: 8px;
  background: rgba(var(--slot-rgb), 0.16);
  border: 0.5px solid rgba(var(--slot-rgb), 0.45);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-primary);
}

.active-slot-chip button {
  appearance: none;
  border: none;
  background: none;
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  padding: 0 2px;
}

.sheet-section-caption {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-bottom: 6px;
}

.preset-chips-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.preset-card-btn {
  appearance: none;
  border: 0.5px solid var(--hairline);
  background: var(--bg-grouped-elevated);
  border-radius: 10px;
  padding: 7px 10px;
  text-align: left;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: border-color 0.14s ease;
}

.preset-card-btn:hover {
  border-color: var(--ios-blue);
}

.preset-code-line {
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-primary);
}

.preset-tag-line {
  font-size: 10.5px;
  color: var(--text-secondary);
}

.sheet-results-section {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.sheet-station-list {
  flex: 1;
  overflow-y: auto;
  background: var(--bg-grouped-elevated);
  border: 0.5px solid var(--hairline);
  border-radius: 12px;
}

.station-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  border-bottom: 0.5px solid var(--hairline-subtle);
  cursor: pointer;
  gap: 10px;
}

.station-list-item:last-child {
  border-bottom: none;
}

.station-list-item:hover {
  background: var(--bg-row-hover);
}

.st-item-left {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.st-item-name {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.st-item-icao {
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 10px;
  padding: 1px 4px;
  border-radius: 4px;
  background: var(--bg-control);
  color: var(--text-secondary);
}

.st-item-meta {
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 10.5px;
  color: var(--text-tertiary);
}

.st-item-action {
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 9px;
  border-radius: 99px;
  background: var(--bg-control);
  color: var(--ios-blue);
  white-space: nowrap;
}

.st-item-action.selected {
  background: rgba(48, 209, 88, 0.16);
  color: var(--ios-mint);
}

@media (min-width: 680px) {
  .ios-modal-backdrop {
    align-items: center;
  }
  .ios-sheet {
    border: 0.5px solid var(--hairline);
    border-radius: 18px;
    padding-bottom: 18px;
  }
}

/* Mobile Responsive Refinements */
@media (max-width: 820px) {
  .telemetry-groups-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .utc-clock {
    display: none;
  }

  .hint-label {
    display: none;
  }

  .city-slots-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
  }

  .station-card {
    padding: 8px 8px;
    gap: 5px;
  }

  .station-name {
    font-size: 12.5px;
  }

  .station-big-temp {
    font-size: 20px;
  }

  .station-wmo-tag {
    font-size: 9.5px;
  }

  .station-sub-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .station-sub-stats .sub-stat-item:nth-child(3) {
    display: none;
  }

  .canvas-stage {
    height: 245px;
  }

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

  .matrix-day-row {
    grid-template-columns: 62px 1fr 78px;
    padding: 7px 9px;
    gap: 6px;
  }

  .telemetry-group-header,
  .telemetry-row {
    grid-template-columns: minmax(94px, 1.1fr) repeat(3, minmax(0, 1fr));
    padding: 6px 9px;
  }
}

/* Solar Terminator & Synoptic Map Component */
.map-card {
  padding: 10px 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.map-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.map-ephemeris-strip {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 10.5px;
  color: var(--text-secondary);
}

.ephem-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.ephem-key {
  color: var(--text-tertiary);
}

.ephem-val {
  color: var(--text-primary);
  font-weight: 600;
}

.map-controls-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.map-canvas-stage {
  position: relative;
  width: 100%;
  height: 245px;
  border-radius: 10px;
  overflow: hidden;
  border: 0.5px solid var(--hairline);
  background: #060b14;
  user-select: none;
  -webkit-user-select: none;
}

#wx-map-canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

.map-bottom-bar {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 2px;
}

.solar-scrubber-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.solar-scrub-label {
  font-size: 10px;
  color: var(--text-tertiary);
  width: 30px;
  text-align: center;
}

.ios-range-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 99px;
  background: var(--bg-control);
  outline: none;
}

.ios-range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #ffffff;
  border: 1.5px solid var(--ios-blue);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.45);
  cursor: grab;
}

.ios-range-slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #ffffff;
  border: 1.5px solid var(--ios-blue);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.45);
  cursor: grab;
}

.map-station-solar-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding-top: 6px;
  border-top: 0.5px solid var(--hairline-subtle);
}

.map-solar-cell {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding-left: 7px;
  border-left: 2.5px solid var(--slot-color);
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  min-width: 0;
}

.map-solar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--text-primary);
}

.solar-phase-pill {
  font-size: 9px;
  font-weight: 700;
  padding: 0.5px 4px;
  border-radius: 3px;
  background: var(--bg-control);
  color: var(--text-secondary);
}

.solar-phase-pill.day {
  background: rgba(255, 159, 10, 0.18);
  color: var(--ios-amber);
}

.solar-phase-pill.twil {
  background: rgba(10, 132, 255, 0.18);
  color: var(--ios-blue);
}

.solar-phase-pill.night {
  background: rgba(191, 90, 242, 0.18);
  color: var(--ios-purple);
}

.map-solar-sub {
  font-size: 10px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 640px) {
  .map-canvas-stage {
    height: 205px;
  }
  .map-station-solar-row {
    gap: 5px;
  }
}