:root {
  --bg: #0b1520;
  --bg-panel: #132333;
  --bg-elevated: #1a3044;
  --field: #0e1c2a;
  --line: rgba(160, 190, 210, 0.18);
  --text: #e8f0f5;
  --muted: #8aa0b2;
  --accent: #5cc8d8;
  --accent-dim: #2a6f7c;
  --btn-text: #062028;
  --warn: #e6b450;
  --danger: #d96b6b;
  --header-bg: rgba(10, 20, 30, 0.85);
  --soft-panel: rgba(14, 28, 42, 0.9);
  --overlay-bg: rgba(4, 10, 16, 0.72);
  --radius: 10px;
  --font: "IBM Plex Sans", "Avenir Next", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "SF Mono", Menlo, Consolas, monospace;
  color-scheme: dark;
}

/* Hi-contrast day theme — aligned with QUICKLOG bright tokens */
html.theme-bright {
  --bg: #ffffff;
  --bg-panel: #ffffff;
  --bg-elevated: #f0f0f0;
  --field: #ffffff;
  --line: #000000;
  --text: #000000;
  --muted: #000000;
  --accent: #003d7a;
  --accent-dim: #002a54;
  --btn-text: #ffffff;
  --warn: #8b0000;
  --danger: #8b0000;
  --header-bg: #ffffff;
  --soft-panel: #f0f0f0;
  --overlay-bg: rgba(255, 255, 255, 0.72);
  color-scheme: light;
}

@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: local("IBM Plex Sans"), local("Avenir Next"), local("Segoe UI");
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-text-size-adjust: 100%;
  overflow: hidden;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(92, 200, 216, 0.12), transparent 55%),
    radial-gradient(900px 500px at 90% 100%, rgba(40, 90, 120, 0.25), transparent 50%),
    var(--bg);
}

html.theme-bright body {
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  font-weight: 400;
}

button,
input {
  font: inherit;
}

/* Password gate — hide app chrome until unlocked */
html.app-locked body > :not(.auth-gate) {
  visibility: hidden;
  pointer-events: none;
}

.auth-gate {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  background:
    radial-gradient(900px 500px at 20% 0%, rgba(92, 200, 216, 0.14), transparent 55%),
    var(--bg);
}

.auth-gate[hidden],
html.app-unlocked .auth-gate {
  display: none !important;
}

.auth-card {
  width: min(400px, 100%);
  padding: 1.35rem 1.4rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-panel);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

html.theme-bright .auth-card {
  border-width: 2px;
}

.auth-card h1 {
  margin: 0;
  font-size: 1.45rem;
  letter-spacing: 0.04em;
}

.auth-label {
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: 0.35rem;
}

.auth-card input[type="password"] {
  width: 100%;
  min-height: 2.6rem;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--field);
  color: var(--text);
}

html.theme-bright .auth-card input[type="password"] {
  border-width: 2px;
}

.auth-error {
  margin: 0;
  color: var(--danger);
  font-size: 0.88rem;
  font-weight: 600;
}

.auth-submit {
  margin-top: 0.35rem;
  min-height: 2.6rem;
}

.auth-hint {
  margin: 0.35rem 0 0;
  font-size: 0.78rem;
  line-height: 1.35;
}

/*
 * Header: title dead-center; controls hug the title (not the screen edges).
 *   [… Bright · Edit/Fly |] MyNatTrack [| Verify · SETREF …]
 * Equal 1fr side tracks keep the title centered; clusters pack inward
 * so nothing sits under iPad clock / status icons at the corners.
 * Critical rules are also inlined in index.html.
 */
.app-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  column-gap: 0.5rem;
  padding-top: max(0.55rem, env(safe-area-inset-top, 0px));
  padding-right: max(0.75rem, env(safe-area-inset-right, 0px));
  padding-bottom: 0.45rem;
  padding-left: max(0.75rem, env(safe-area-inset-left, 0px));
  border-bottom: 1px solid var(--line);
  background: var(--header-bg);
  backdrop-filter: blur(8px);
  flex-shrink: 0;
  position: relative;
  z-index: 20;
  min-height: calc(2.75rem + max(0.55rem, env(safe-area-inset-top, 0px)) + 0.45rem);
  width: 100%;
  box-sizing: border-box;
}

html.theme-bright .app-header {
  backdrop-filter: none;
  border-bottom-width: 2px;
}

.header-left-cluster {
  grid-column: 1;
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
}

.app-title {
  grid-column: 2;
  justify-self: center;
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  font-weight: 650;
  line-height: 1.1;
  white-space: nowrap;
}

.header-right-cluster {
  grid-column: 3;
  justify-self: start;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: nowrap;
  min-width: 0;
}

.mode-toggle {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  background: var(--bg-elevated);
  flex-shrink: 0;
  /* Enlarge hit targets away from the very top edge */
  touch-action: manipulation;
}

.mode-btn {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--muted);
  min-height: 2.75rem;
  padding: 0 0.9rem;
  font-weight: 700;
  font-size: 0.82rem;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.mode-btn[aria-pressed="true"] {
  background: var(--accent-dim);
  color: var(--text);
}

html.theme-bright .mode-toggle {
  border-width: 2px;
  border-color: #000;
}

html.theme-bright .mode-btn[aria-pressed="true"] {
  background: #003d7a;
  color: #fff;
}

.theme-btn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  color: var(--text);
  border-radius: 8px;
  min-height: 2.75rem;
  padding: 0 0.95rem;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

html.theme-bright .theme-btn {
  border-width: 2px;
  border-color: #000;
  background: #003d7a;
  color: #fff;
}

.icon-btn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  color: var(--text);
  border-radius: 999px;
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: 0 0.95rem;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  position: relative;
  z-index: 1;
}

.icon-btn:active {
  background: var(--accent-dim);
}

.settings-liability {
  padding: 0.15rem 0 0.35rem;
}

.settings-liability .settings-disclaimer {
  margin: 0.35rem 0 0;
  font-size: 0.78rem;
  line-height: 1.35;
}

.settings-liability .settings-gps-note {
  margin: 0.55rem 0 0;
  font-size: 0.78rem;
  line-height: 1.35;
}

.settings-liability .settings-gc-note {
  margin: 0.45rem 0 0;
  font-size: 0.78rem;
  line-height: 1.35;
}

.settings-liability .settings-teach-note,
.settings-liability .settings-icloud-note,
.settings-liability .settings-coords-note {
  margin: 0.45rem 0 0;
  font-size: 0.78rem;
  line-height: 1.35;
}

.settings-icloud-block {
  margin-top: 0.55rem;
  padding-top: 0.45rem;
  border-top: 1px solid var(--line);
}

.settings-icloud-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.45rem;
}

.settings-icloud-block .md-io-status {
  margin-top: 0.4rem;
}

.main {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(320px, 1.05fr) minmax(340px, 1fr);
  gap: 0.55rem;
  padding: 0.55rem;
}

/* Fly: chart replaces Route on the left; Legs fills the right column */
body.ui-fly .main {
  grid-template-columns: minmax(340px, 1.15fr) minmax(320px, 1fr);
}

body.ui-fly #route-panel {
  display: none !important;
}

body.ui-fly .right-stack {
  display: contents;
}

body.ui-fly #chart-panel {
  min-height: 0;
}

body.ui-fly #legs-panel {
  min-height: 0;
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

html.theme-bright .panel {
  border-width: 2px;
}

.panel h2 {
  margin: 0;
  padding: 0.65rem 0.85rem;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

#legs-panel > h2.legs-title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.45rem 0.75rem;
  text-transform: none;
  letter-spacing: 0;
}

#legs-panel > h2.legs-title .legs-label {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

#legs-panel > h2.legs-title .legs-mod-diff {
  font-family: var(--mono);
  font-size: 0.88rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  text-transform: none;
  /* Same tone as LEGS title in both themes (inherits --muted) */
  color: var(--muted);
}

#legs-panel > h2.legs-title .legs-mod-diff[hidden] {
  display: none !important;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  border-bottom: 1px solid var(--line);
  padding-right: 0.65rem;
}

.panel-head h2 {
  border-bottom: none;
  flex: 1;
}

.chart-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: 0.35rem 0.65rem 0.35rem 0.55rem;
  min-height: 0;
  gap: 0.45rem 0.65rem;
}

.chart-toolbar-top {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1 1 auto;
  min-width: 0;
}

.chart-toolbar-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
  margin-left: auto;
}

.chart-route-summary {
  display: none;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 0.08rem;
  margin-left: 0.35rem;
  padding: 0.22rem 0.55rem 0.24rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  min-width: 0;
}

.chart-route-summary-text {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.chart-route-summary-gc {
  font-size: 0.66rem;
  font-weight: 550;
  letter-spacing: 0.02em;
  white-space: nowrap;
  color: #8fd9a8;
  line-height: 1.15;
}

.chart-route-summary-gc[hidden] {
  display: none !important;
}

html.theme-bright .chart-route-summary-gc {
  color: #1f7a45;
}

body.chart-fullscreen .chart-route-summary:not([hidden]) {
  display: flex;
}

.chart-toolbar-toggles {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.45rem 0.75rem;
  margin-left: auto;
}

/* 747-8 GC planner — full-screen + empty route only */
.gc-plan-bar {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  flex: 1 1 100%;
  min-width: 0;
}

body.chart-fullscreen .gc-plan-bar:not([hidden]) {
  display: flex;
}

.gc-end {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.05rem;
  min-width: 0;
}

.gc-city {
  max-width: 5.6rem;
  padding: 0 0.15rem;
  font-size: 0.62rem;
  font-weight: 650;
  letter-spacing: 0.01em;
  line-height: 1.1;
  color: var(--muted, #8a9bb0);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gc-city[hidden] {
  display: none !important;
}

.gc-icao {
  width: 4.2rem;
  padding: 0.28rem 0.35rem;
  font: 700 0.9rem ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.06em;
  text-align: center;
  text-transform: uppercase;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-input, var(--panel));
  color: var(--text);
}

.gc-icao.warn-diff {
  border-color: #c45a00;
  box-shadow: 0 0 0 1px rgba(196, 90, 0, 0.35);
}

.gc-plan-label {
  flex: 0 1 auto;
  max-width: 18rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-align: center;
  color: var(--muted, #8a9bb0);
  white-space: nowrap;
}

.gc-plan-label.is-ready {
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.chart-toolbar #nat-tracks-btn,
.chart-toolbar #chart-fullscreen-btn {
  flex-shrink: 0;
}

/*
 * A2903 / 11" iPad class (logical screen 820×1180).
 * Chart panel is often half-width, so stack: clock+buttons on top, ticks below.
 */
body.viewport-a2903 .chart-toolbar {
  flex-direction: column;
  align-items: stretch;
  flex-wrap: nowrap;
  gap: 0.35rem;
}

body.viewport-a2903 .chart-toolbar-top {
  width: 100%;
  justify-content: space-between;
}

body.viewport-a2903 .chart-toolbar-actions {
  margin-left: 0;
}

body.viewport-a2903 .chart-toolbar-toggles {
  width: 100%;
  justify-content: flex-start;
  margin-left: 0;
}

.chart-time-block {
  display: inline-flex;
  align-items: stretch;
  gap: 0.35rem;
  flex-shrink: 0;
  min-width: 0;
}

.utc-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  flex-shrink: 0;
  padding: 0.28rem 0.55rem 0.3rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--field);
  line-height: 1.1;
}

.gps-coords-chip {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.05rem;
  margin: 0;
  padding: 0.2rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--field);
  color: inherit;
  cursor: pointer;
  text-align: left;
  line-height: 1.15;
  -webkit-tap-highlight-color: transparent;
}

.gps-integrity {
  display: inline-flex;
  align-items: stretch;
  gap: 0.28rem;
  min-width: 0;
}

.gps-integrity[hidden] {
  display: none !important;
}

.gps-coords-chip[hidden] {
  display: none !important;
}

.gps-coords-chip:hover,
.gps-coords-chip:focus-visible {
  border-color: var(--accent, #5cc8d8);
}

.gps-coords-chip:active {
  opacity: 0.85;
}

.gps-coords-lat,
.gps-coords-lon {
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.gps-coords-chip.is-copied {
  border-color: rgba(90, 200, 120, 0.7);
}

/* GPS vs nearest ARP mismatch (possible jam / spoof) */
.gps-coords-chip.is-gps-warn {
  border-color: rgba(220, 150, 40, 0.85);
  background: rgba(180, 110, 20, 0.18);
  color: #f0c060;
}

.gps-coords-chip.is-gps-warn .gps-coords-lat,
.gps-coords-chip.is-gps-warn .gps-coords-lon {
  color: #f0c060;
}

html.theme-bright .gps-coords-chip.is-gps-warn {
  border-color: rgba(180, 100, 0, 0.75);
  background: rgba(255, 190, 80, 0.28);
  color: #8a4a00;
}

html.theme-bright .gps-coords-chip.is-gps-warn .gps-coords-lat,
html.theme-bright .gps-coords-chip.is-gps-warn .gps-coords-lon {
  color: #8a4a00;
}

.gps-ref-chip {
  display: inline-flex;
  align-items: stretch;
  gap: 0.28rem;
  margin: 0;
  padding: 0.12rem 0.32rem 0.12rem 0.22rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--field);
  color: inherit;
  cursor: pointer;
  line-height: 1.1;
  -webkit-tap-highlight-color: transparent;
  max-width: 6.8rem;
}

.gps-ref-chip[hidden] {
  display: none !important;
}

.gps-ref-chip:hover,
.gps-ref-chip:focus-visible {
  border-color: var(--accent, #5cc8d8);
}

.gps-ref-icao {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0;
  min-width: 0.78rem;
  padding: 0.05rem 0.08rem;
  font: 700 0.58rem ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.02em;
  line-height: 1.08;
  color: var(--muted, #8a9bb0);
  text-transform: uppercase;
  border-right: 1px solid rgba(140, 170, 200, 0.22);
}

.gps-ref-icao .icao-ch {
  display: block;
}

.gps-ref-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.02rem;
  min-width: 0;
  text-align: left;
}

.gps-ref-lat,
.gps-ref-lon {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  color: var(--muted, #8a9bb0);
}

.gps-ref-delta {
  margin-top: 0.04rem;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: rgba(120, 200, 140, 0.95);
  white-space: nowrap;
}

.gps-ref-chip.is-far .gps-ref-delta {
  color: var(--muted, #8a9bb0);
  font-weight: 600;
}

.gps-ref-chip.is-warn {
  border-color: rgba(220, 150, 40, 0.7);
}

.gps-ref-chip.is-warn .gps-ref-delta {
  color: #f0c060;
}

html.theme-bright .gps-ref-chip.is-warn {
  border-color: rgba(180, 100, 0, 0.65);
}

html.theme-bright .gps-ref-chip.is-warn .gps-ref-delta {
  color: #8a4a00;
}

html.theme-bright .gps-ref-delta {
  color: #1a7a3a;
}

body.chart-fullscreen .gps-coords-lat,
body.chart-fullscreen .gps-coords-lon {
  font-size: 0.72rem;
}

body.chart-fullscreen .gps-ref-lat,
body.chart-fullscreen .gps-ref-lon {
  font-size: 0.64rem;
}

body.viewport-a2903 .gps-ref-chip {
  max-width: 6.2rem;
  padding: 0.1rem 0.26rem 0.1rem 0.18rem;
}

body.viewport-a2903 .gps-ref-icao {
  font-size: 0.54rem;
  min-width: 0.7rem;
}

.utc-chip-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* GPS fix time vs iPad clock (possible jam / spoof / wrong system time) */
.utc-chip-label.is-utc-warn {
  color: #f0c060;
}

html.theme-bright .utc-chip-label.is-utc-warn {
  color: #8a4a00;
}

.utc-chip-time {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.utc-chip-inline {
  padding: 0.12rem 0.4rem 0.14rem;
}

.utc-chip-inline .utc-chip-time {
  font-size: 0.85rem;
}

.utc-chip-inline .utc-chip-label {
  font-size: 0.62rem;
}

.chart-toggle {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  color: var(--text);
  white-space: nowrap;
  cursor: pointer;
}

.chart-toggle input {
  width: 1rem;
  height: 1rem;
}

.chart-toggle .toggle-label-short {
  display: none;
}

.secondary.compact,
.primary.compact {
  min-height: 2.2rem;
  padding: 0 0.75rem;
  font-size: 0.82rem;
}

.nat-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.65rem 0.85rem;
  margin-bottom: 0.5rem;
  flex-shrink: 0;
}

.nat-heading {
  min-width: min(100%, 20.5rem);
  flex: 0 1 22rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.nat-heading h2,
.nat-tmi {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.2;
  font-weight: 650;
  color: var(--text);
}

.nat-tmi-row {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 0.5rem;
  min-width: 0;
}

.nat-tmi-row .nat-tmi {
  flex: 0 0 auto;
  white-space: nowrap;
}

.nat-tmi-row .utc-chip {
  flex: 0 0 auto;
  white-space: nowrap;
}

.nat-heading #nat-status {
  font-size: 0.82rem;
  line-height: 1.25;
  white-space: pre-line;
}

.nat-clocks {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 0.55rem;
}

.nat-clock {
  flex: 1 1 9.5rem;
  max-width: 14rem;
  min-width: 0;
  padding: 0.4rem 0.55rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--field);
  text-align: center;
}

.nat-clock-title {
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  line-height: 1.2;
  color: var(--muted);
  margin-bottom: 0.2rem;
}

.nat-clock-count {
  margin-top: 0.1rem;
  font-size: 1.2rem;
  font-weight: 750;
  letter-spacing: 0.03em;
  line-height: 1.15;
}

.nat-clock-window {
  margin-top: 0.12rem;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.2;
  color: var(--text);
}

.nat-clock[data-tone="active"] .nat-clock-count {
  color: #3dce8e;
}

.nat-clock[data-tone="urgent"] .nat-clock-count {
  color: #e6b35a;
}

.nat-clock[data-tone="muted"] .nat-clock-count,
.nat-clock[data-tone="expired"] .nat-clock-count {
  color: var(--muted);
}

.nat-clock[data-tone="expired"] .nat-clock-title {
  color: var(--muted);
}

.nat-clock[data-tone="expired"] .nat-clock-window {
  color: var(--text);
  opacity: 0.85;
}

html.theme-bright .nat-clock[data-tone="active"] .nat-clock-count {
  color: #0a7a45;
}

html.theme-bright .nat-clock[data-tone="urgent"] .nat-clock-count {
  color: #a65f00;
}

.nat-toolbar {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
  margin: 0;
}

@media (max-width: 820px) {
  .nat-header {
    flex-wrap: wrap;
  }

  .nat-clocks {
    order: 3;
    flex-basis: 100%;
  }
}

.nat-note {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.nat-message {
  margin: 0;
  max-height: min(55dvh, 520px);
  overflow: auto;
  padding: 0.85rem 1rem;
  background: var(--field);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
}

/* NAT overlay: use full display height so more of the track message is visible */
.nat-overlay {
  align-items: stretch;
  justify-content: center;
}

.nat-sheet {
  width: min(960px, 100%);
  height: 100%;
  max-height: none;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.nat-sheet .nat-message {
  flex: 1 1 auto;
  min-height: 0;
  max-height: none;
}

html.theme-bright .nat-message,
html.theme-bright #suggest,
html.theme-bright .ref-table th {
  border-width: 2px;
  border-color: #000;
}

html.theme-bright #suggest {
  background: #fff;
}

html.theme-bright .verify-line,
html.theme-bright #totals {
  color: #003d7a;
  font-weight: 700;
}

html.theme-bright table.legs th,
html.theme-bright table.legs td {
  border-bottom-color: #000;
}

html.theme-bright .chart-toggle {
  font-weight: 600;
}

.panel-body {
  padding: 0.75rem;
  overflow: auto;
  flex: 1;
  min-height: 0;
}

.entry-row {
  display: grid;
  grid-template-columns: 1fr auto auto auto auto;
  gap: 0.5rem;
  align-items: start;
}

/* Header: compact two-line Route/Save button + situational hint to the right */
#route-panel > .route-title-bar {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  column-gap: 0.65rem;
  margin: 0;
  padding: 0.45rem 0.65rem 0.5rem 0.65rem;
  border-bottom: 1px solid var(--line);
  width: 100%;
  box-sizing: border-box;
}

#route-panel .route-store-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.05rem;
  min-width: 4.6rem;
  min-height: 2.85rem;
  padding: 0.28rem 0.7rem;
  margin: 0;
  line-height: 1.1;
  text-align: center;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

#route-panel .route-store-btn .route-store-top {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.72rem;
  font-weight: 650;
  color: var(--muted);
  line-height: 1.15;
}

#route-panel .route-store-btn .route-store-state {
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--text);
}

#route-panel .route-store-btn.is-stored {
  border-color: var(--accent);
}

#route-panel .route-store-btn.is-stored .route-store-state {
  color: var(--accent);
}

html.theme-bright #route-panel .route-store-btn.is-stored {
  border-color: #003d7a;
}

html.theme-bright #route-panel .route-store-btn.is-stored .route-store-state {
  color: #003d7a;
}

#route-panel > .route-title-bar .route-hint,
#route-panel .route-hint {
  display: block !important;
  margin: 0 !important;
  padding: 0 !important;
  min-width: 0;
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: 0;
  text-transform: none !important;
  text-align: left;
}

html.theme-bright #route-panel > .route-title-bar .route-hint,
html.theme-bright #route-panel .route-hint {
  color: #000000;
  font-weight: 650;
}

#route-panel > .route-title-bar .route-hint[hidden],
#route-panel .route-hint[hidden] {
  display: none !important;
}

.route-clear-actions {
  flex-wrap: wrap;
}

.danger-btn {
  background: var(--danger, #c23b3b);
  border-color: transparent;
  color: #fff;
}

html.theme-bright .danger-btn {
  background: #a32020;
  color: #fff;
}

.route-item.editing {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(92, 200, 216, 0.35);
}

.route-item.insert-after {
  border-color: rgba(230, 180, 80, 0.7);
}

#wp-input {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--field);
  color: var(--text);
  border-radius: 8px;
  padding: 0.85rem 0.9rem;
  font-size: 1.05rem;
  min-height: 3rem;
}

html.theme-bright #wp-input {
  border-width: 2px;
  font-weight: 500;
}

html.theme-bright #wp-input::placeholder {
  color: #8a8a8a;
  font-weight: 400;
  opacity: 1;
}

#wp-input:focus {
  outline: 2px solid rgba(92, 200, 216, 0.45);
  border-color: var(--accent);
}

.primary,
.secondary {
  border: none;
  border-radius: 8px;
  min-height: 3rem;
  padding: 0 1.1rem;
  cursor: pointer;
  font-weight: 600;
}

.primary {
  background: var(--accent);
  color: var(--btn-text);
}

html.theme-bright .primary,
html.theme-bright .secondary,
html.theme-bright .icon-btn {
  border-width: 2px;
  border-color: #000;
  font-weight: 700;
}

html.theme-bright .secondary,
html.theme-bright .icon-btn {
  background: #fff;
  color: #000;
}

.secondary {
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--line);
}

#error {
  margin: 0.5rem 0 0;
  color: var(--danger);
  font-size: 0.9rem;
}

#suggest {
  /* In-flow (not absolute) so suggestions never cover the route list */
  grid-column: 1 / -1;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: 8px;
  max-height: 180px;
  overflow: auto;
  display: flex;
  flex-direction: column;
  margin-top: 0.15rem;
}

#suggest[hidden] {
  display: none !important;
}

.suggest-item {
  appearance: none;
  border: none;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  text-align: left;
  padding: 0.7rem 0.85rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.55rem 0.75rem;
  cursor: pointer;
}

.suggest-item .suggest-coords {
  color: var(--muted);
  font-size: 0.78rem;
  justify-self: start;
}

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

.suggest-item .approx {
  color: var(--warn);
}

.route-unknown-remark {
  margin: 0.45rem 0 0;
  padding: 0.28rem 0.45rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--warn, #c47a1a);
  background: color-mix(in srgb, var(--warn, #c47a1a) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--warn, #c47a1a) 35%, transparent);
  border-radius: 6px;
}

.route-unknown-remark[hidden] {
  display: none;
}

.route-list {
  list-style: none;
  margin: 0.55rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
}

.route-item {
  display: grid;
  /*
   * Fixed info column so Edit / +↓ / ↑ / ↓ / × line up in vertical columns
   * across every tile (whole-degree vs half-degree names/coords no longer shift buttons).
   * 12.5rem fits cockpit long-hand under the index (e.g. N52 30.0 W050 00.0).
   */
  grid-template-columns: 1.6rem 12.5rem minmax(0, 1fr);
  gap: 0.2rem 0.55rem;
  align-items: center;
  padding: 0.38rem 0.5rem;
  background: var(--soft-panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

html.theme-bright .route-item {
  border-width: 2px;
  background: #fff;
}

.route-item .idx {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.2;
}

.route-item .name {
  font-weight: 650;
  letter-spacing: 0.04em;
  font-size: 0.95rem;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.route-item .coords {
  /* Under the index number — left edge of the tile content */
  grid-column: 1 / 3;
  grid-row: 2;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.2;
  white-space: nowrap;
  letter-spacing: 0.02em;
  overflow: hidden;
  text-overflow: ellipsis;
}

.route-item .actions {
  grid-column: 3;
  grid-row: 1 / span 2;
  display: grid;
  grid-template-columns: repeat(5, minmax(2.4rem, 1fr));
  align-items: center;
  gap: 0.7rem;
  width: 100%;
  min-width: 0;
  margin-left: 0.35rem;
}

.route-item .actions button {
  /* Equal columns → same x-position for each control on every route row */
  width: 100%;
  min-width: 2.4rem;
  min-height: 2.4rem;
  border-radius: 7px;
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  color: var(--text);
  cursor: pointer;
  font-size: 0.94rem;
  padding: 0 0.35rem;
  line-height: 1;
}

.route-item .actions button.danger {
  color: var(--danger);
}

.badge.approx {
  margin-left: 0.4rem;
  font-size: 0.68rem;
  border-radius: 4px;
  padding: 0.1rem 0.35rem;
  vertical-align: middle;
  color: #1a1405;
  background: var(--warn);
}

.badge.learned {
  margin-left: 0.4rem;
  font-size: 0.68rem;
  border-radius: 4px;
  padding: 0.1rem 0.35rem;
  vertical-align: middle;
  color: #062416;
  background: #7dcea0;
}

html.theme-bright .badge.learned {
  color: #0a3d24;
  background: #b7e4c7;
}

.right-stack {
  display: grid;
  grid-template-rows: minmax(200px, 1.15fr) minmax(200px, 1fr);
  gap: 0.55rem;
  min-height: 0;
}

.chart-wrap {
  flex: 1;
  min-height: 0;
  padding: 0.5rem;
  position: relative;
}

#chart {
  width: 100%;
  height: 100%;
  display: block;
  background: transparent;
  touch-action: none; /* allow pinch-zoom without page scroll */
  cursor: grab;
}

/* Transparent GPS layer — redrawn alone so the globe does not blink */
.chart-ownship {
  position: absolute;
  inset: 0.5rem;
  width: calc(100% - 1rem);
  height: calc(100% - 1rem);
  display: block;
  pointer-events: none;
  background: transparent;
}

/* Full-screen only: D-ATIS colour key (top-right of map) */
.datis-legend {
  display: none;
  position: absolute;
  top: 0.55rem;
  right: 0.65rem;
  z-index: 4;
  margin: 0;
  padding: 0.2rem 0.45rem;
  pointer-events: none;
  font: 600 0.78rem/1.2 ui-sans-serif, system-ui, sans-serif;
  letter-spacing: 0.01em;
  color: rgba(72, 210, 120, 0.95);
  background: rgba(8, 20, 30, 0.55);
  border: 1px solid rgba(72, 210, 120, 0.35);
  border-radius: 6px;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.45);
}

body.chart-fullscreen .datis-legend {
  display: block;
}

html.theme-bright .datis-legend {
  color: #0a7a32;
  background: rgba(255, 255, 255, 0.82);
  border-color: rgba(10, 122, 50, 0.35);
  text-shadow: none;
}

/* Full-screen Atlantic globe */
body.chart-fullscreen {
  overflow: hidden;
}

body.chart-fullscreen .main {
  display: block;
  padding: 0;
  height: 100%;
  min-height: 0;
}

body.chart-fullscreen .main > .panel:not(#chart-panel),
body.chart-fullscreen .right-stack > .panel:not(#chart-panel) {
  display: none !important;
}

body.chart-fullscreen .right-stack {
  display: block;
  height: 100%;
  min-height: 0;
}

body.chart-fullscreen #chart-panel {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  flex-direction: column;
  border-radius: 0;
  border: none;
  height: 100dvh;
  max-height: 100dvh;
  /* Clear iPad status bar once the app header is hidden */
  padding-top: env(safe-area-inset-top, 0px);
  padding-right: env(safe-area-inset-right, 0px);
  padding-left: env(safe-area-inset-left, 0px);
  box-sizing: border-box;
}

body.chart-fullscreen #chart-panel .chart-toolbar {
  flex-shrink: 0;
  position: relative;
  z-index: 2;
  background: var(--bg-panel);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "time toggles exit"
    "gc gc gc";
  align-items: center;
  column-gap: 0.45rem;
  row-gap: 0.2rem;
  padding: 0.22rem 0.45rem 0.28rem;
  flex-wrap: nowrap;
}

body.chart-fullscreen #chart-panel .chart-toolbar-top {
  grid-area: time;
  flex: 0 0 auto;
  min-width: 0;
}

body.chart-fullscreen #chart-panel .chart-toolbar-actions {
  grid-area: exit;
  margin-left: 0;
}

body.chart-fullscreen #chart-panel .chart-toolbar-toggles {
  grid-area: toggles;
  margin-left: 0;
  justify-content: center;
  flex-wrap: nowrap;
  gap: 0.28rem 0.45rem;
  min-width: 0;
}

body.chart-fullscreen #chart-panel .gc-plan-bar {
  grid-area: gc;
  flex: none;
  width: 100%;
  justify-content: center;
}

body.chart-fullscreen #chart-panel .chart-route-summary:not([hidden]) {
  /* Keep route summary inline with time when a working route exists */
  margin-left: 0.25rem;
}

body.chart-fullscreen.viewport-a2903 #chart-panel .chart-toolbar {
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "time toggles exit"
    "gc gc gc";
  flex-direction: unset;
  align-items: center;
}

/* Same Valid NAT only / East / West controls as normal view — only NAT Tracks is hidden */
body.chart-fullscreen #nat-tracks-btn {
  display: none !important;
}

body.chart-fullscreen .chart-toggle:has(#valid-only-tracks),
body.chart-fullscreen .chart-toggle:has(#show-east-tracks),
body.chart-fullscreen .chart-toggle:has(#show-west-tracks),
body.chart-fullscreen .chart-toggle:has(#day-night-toggle),
body.chart-fullscreen .chart-toggle-wx,
body.chart-fullscreen .chart-toggle-vs-gc:not([hidden]) {
  display: flex !important;
}

/* Weather ticks only in fullscreen */
.chart-toggle-wx {
  display: none !important;
}

/* vs GC — fullscreen + multi-leg route only (JS also toggles [hidden]) */
.chart-toggle-vs-gc {
  display: none !important;
}

.weather-status {
  margin: 0;
  font-size: 0.68rem;
  line-height: 1.2;
}

.weather-status[hidden] {
  display: none !important;
}

body.chart-fullscreen .weather-status:not([hidden]) {
  display: block;
  position: absolute;
  z-index: 3;
  left: 0.5rem;
  top: 0.35rem;
  max-width: min(22rem, calc(100% - 1rem));
  padding: 0.15rem 0.4rem;
  border-radius: 6px;
  background: rgba(8, 14, 22, 0.72);
  border: 1px solid rgba(120, 160, 200, 0.22);
  pointer-events: none;
}

html.theme-bright body.chart-fullscreen .weather-status:not([hidden]) {
  background: rgba(255, 255, 255, 0.82);
  border-color: rgba(0, 60, 120, 0.18);
  color: #203040;
}

.wx-loading {
  display: inline-block;
  width: 0.72rem;
  height: 0.72rem;
  margin-left: 0.28rem;
  border: 2px solid rgba(140, 180, 210, 0.25);
  border-top-color: rgba(120, 200, 255, 0.95);
  border-radius: 50%;
  vertical-align: -0.1rem;
  animation: wx-spin 0.7s linear infinite;
}

.wx-loading[hidden] {
  display: none !important;
}

html.theme-bright .wx-loading {
  border-color: rgba(0, 60, 120, 0.2);
  border-top-color: rgba(0, 90, 180, 0.9);
}

@keyframes wx-spin {
  to {
    transform: rotate(360deg);
  }
}

.wx-detail {
  position: absolute;
  z-index: 6;
  left: 0.6rem;
  right: 0.6rem;
  bottom: 0.6rem;
  max-width: min(36rem, calc(100% - 1.2rem));
  max-height: 42%;
  overflow: auto;
  padding: 0.55rem 0.7rem 0.65rem;
  border-radius: 8px;
  background: rgba(8, 16, 26, 0.92);
  border: 1px solid rgba(140, 190, 230, 0.35);
  color: rgba(230, 240, 250, 0.95);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
}

html.theme-bright .wx-detail {
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(0, 60, 120, 0.25);
  color: #102030;
  box-shadow: 0 8px 24px rgba(0, 40, 80, 0.15);
}

.wx-detail[hidden] {
  display: none !important;
}

.wx-detail-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.wx-detail-head strong {
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

.wx-detail-close {
  border: 0;
  background: transparent;
  color: inherit;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0.75;
  padding: 0 0.15rem;
}

.wx-detail-close:hover {
  opacity: 1;
}

.wx-detail-body {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  line-height: 1.35;
  opacity: 0.95;
}

body.chart-fullscreen .chart-toggle .toggle-label-full {
  display: none;
}

body.chart-fullscreen .chart-toggle .toggle-label-short {
  display: inline;
}

body.chart-fullscreen #chart-panel .chart-wrap {
  flex: 1;
  min-height: 0;
  padding: 0.35rem 0.5rem 0.6rem;
  position: relative;
}

/* Must beat critical header `display: grid !important` in index.html */
body.chart-fullscreen .app-header {
  display: none !important;
}

html.theme-bright body.chart-fullscreen #chart-panel {
  border: none;
}

#legs-panel > .panel-body {
  padding: 0.35rem 0.35rem 0.5rem;
}

table.legs {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 0.82rem;
}

table.legs th[title] {
  cursor: help;
}

table.legs th,
table.legs td {
  padding: 0.45rem 0.28rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

/* Tighten From / To so ETE keeps a full HH:MM on screen (Edit + Fly) */
table.legs .leg-from,
table.legs .leg-to {
  width: 4.6rem;
  max-width: 4.6rem;
  padding-left: 0.15rem;
  padding-right: 0.2rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

table.legs .leg-dist {
  width: 3.6rem;
  white-space: nowrap;
}

table.legs .leg-ete {
  width: 3.35rem;
  padding-right: 0.15rem;
  white-space: nowrap;
  text-align: right;
}

table.legs th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

table.legs td .muted {
  font-size: 0.68rem;
}

body.ui-fly #legs-panel > .panel-body {
  padding: 0.3rem 0.28rem 0.45rem;
}

body.ui-fly table.legs {
  font-size: 0.8rem;
}

.mono {
  font-family: var(--mono);
}

.muted {
  color: var(--muted);
  font-size: 0.78rem;
}

#totals {
  margin-top: 0.65rem;
  color: var(--accent);
  font-weight: 600;
}

.totals-compare {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 500;
  line-height: 1.35;
}

.totals-compare[hidden] {
  display: none !important;
}

.totals-compare .diff-shorter {
  color: #6bcf8e;
}

.totals-compare .diff-longer {
  color: var(--warn);
}

.settings-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.65rem 0.85rem;
  margin-top: 1.25rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
}

.settings-liability .verify-line {
  margin: 0.35rem 0 0;
}

a.settings-doc007-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  min-height: 2.35rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 650;
  line-height: 1.2;
  white-space: nowrap;
}

.settings-version {
  flex-shrink: 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

/* MNPS Verify flowchart overlay — landscape A | B */
.sheet.flow-sheet {
  width: min(1180px, 100%);
  max-height: min(92dvh, 900px);
}

.flow-header {
  align-items: flex-start;
}

.flow-header-main {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  min-width: 0;
  flex: 1;
}

.flow-header-main h2 {
  flex-shrink: 0;
}

.flow-ref {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.35;
  max-width: 42rem;
}

.flow-chart {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem 1.35rem;
  align-items: start;
}

.flow-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  min-width: 0;
}

.flow-section-label {
  align-self: stretch;
  margin: 0 0 0.55rem;
  padding: 0.35rem 0.65rem;
  border-left: 3px solid var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
}

.flow-node {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-elevated);
  text-align: left;
  line-height: 1.35;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
}

html.theme-bright .flow-node {
  border-width: 2px;
  box-shadow: none;
}

.flow-node.step {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
}

.flow-node.step ul {
  margin: 0.3rem 0 0;
  padding-left: 1.05rem;
  font-size: 0.86rem;
  color: var(--text);
}

.flow-node.step li {
  margin: 0.12rem 0;
}

.flow-node.critical {
  border-color: var(--warn);
  background: linear-gradient(180deg, rgba(230, 180, 80, 0.12), var(--bg-elevated));
}

html.theme-bright .flow-node.critical {
  background: #fff8e8;
}

.flow-step-num {
  flex-shrink: 0;
  min-width: 2rem;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--accent);
  color: var(--btn-text);
  font-weight: 750;
  font-size: 0.78rem;
  font-family: var(--mono);
}

.flow-arrow {
  width: 2px;
  height: 0.95rem;
  background: var(--accent);
  opacity: 0.55;
  position: relative;
  margin: 0.12rem 0;
}

.flow-arrow::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -1px;
  width: 0;
  height: 0;
  transform: translateX(-50%);
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 7px solid var(--accent);
  opacity: 0.85;
}

.flow-arrow.short {
  height: 0.75rem;
}

.flow-arrow.dashed {
  background: repeating-linear-gradient(
    to bottom,
    var(--muted) 0 3px,
    transparent 3px 6px
  );
  opacity: 0.7;
}

.flow-arrow.dashed::after {
  border-top-color: var(--muted);
}

.flow-branch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  width: 100%;
  margin: 0.3rem 0 0.1rem;
}

.flow-branch-arm {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.flow-decision {
  width: 100%;
  padding: 0.65rem 0.45rem;
  text-align: center;
  font-weight: 700;
  font-size: 0.84rem;
  background: var(--soft-panel);
  border: 1px solid var(--line);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  min-height: 3.9rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.flow-decision span {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--muted);
}

.flow-decision.warn {
  color: var(--warn);
}

.flow-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: 0.3rem;
}

.flow-node.mini {
  width: 100%;
  padding: 0.5rem 0.6rem;
  font-size: 0.8rem;
  text-align: center;
  border-radius: 10px;
}

.flow-node.mini.mute {
  opacity: 0.75;
}

.flow-node.mini.critical-soft {
  border-color: var(--warn);
}

.flow-notes {
  align-self: stretch;
  margin-top: 0.85rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--soft-panel);
}

html.theme-bright .flow-notes {
  border-width: 2px;
}

.flow-notes h3 {
  margin: 0 0 0.45rem;
  font-size: 0.92rem;
}

.flow-notes ul {
  margin: 0;
  padding-left: 1.05rem;
  font-size: 0.84rem;
  line-height: 1.4;
}

.flow-notes li {
  margin: 0.3rem 0;
}

.flow-version {
  margin: 0.75rem 0 0;
  font-size: 0.74rem;
}

@media (max-width: 820px) {
  .flow-chart {
    grid-template-columns: 1fr;
  }

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

.overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 40;
  padding: max(1rem, env(safe-area-inset-top, 0px))
    max(1rem, env(safe-area-inset-right, 0px))
    max(1rem, env(safe-area-inset-bottom, 0px))
    max(1rem, env(safe-area-inset-left, 0px));
}

.teach-sheet {
  width: min(520px, 100%);
}

.teach-progress {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
}

.teach-name-row {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin: 0 0 0.85rem;
}

.teach-name {
  font-size: 1.35rem;
  letter-spacing: 0.06em;
}

.teach-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.teach-coords {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--field);
  color: var(--text);
  border-radius: 8px;
  padding: 0.85rem 0.9rem;
  font-size: 1.1rem;
  min-height: 3rem;
  box-sizing: border-box;
}

html.theme-bright .teach-coords {
  border-width: 2px;
  font-weight: 600;
}

.teach-coords:focus {
  outline: 2px solid rgba(92, 200, 216, 0.45);
  border-color: var(--accent);
}

.teach-hint {
  margin: 0.45rem 0 0;
  font-size: 0.78rem;
  line-height: 1.35;
}

.teach-error {
  margin: 0.55rem 0 0;
  color: var(--danger);
  font-size: 0.9rem;
}

.teach-error[hidden] {
  display: none !important;
}

.teach-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.65rem;
  margin-top: 1.1rem;
}

.overlay[hidden] {
  display: none !important;
}

.sheet {
  width: min(720px, 100%);
  max-height: min(90dvh, 900px);
  overflow: auto;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem 1.1rem 1.25rem;
}

html.theme-bright .sheet {
  border-width: 2px;
}

.sheet.wide {
  width: min(960px, 100%);
}

.sheet header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.sheet-header-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}

#md-share-help,
#md-import-help {
  z-index: 50;
}

.md-io-sheet {
  width: min(480px, 100%);
}

.md-io-lead {
  margin: 0 0 1rem;
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--text);
}

.md-io-help {
  margin: 0 0 1rem;
  padding-left: 1.15rem;
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--text);
}

.md-io-help li + li {
  margin-top: 0.45rem;
}

.md-io-help code {
  font-size: 0.88em;
}

.md-io-status {
  margin: 0 0 0.85rem;
  font-size: 0.9rem;
  line-height: 1.35;
}

.md-io-status[hidden] {
  display: none !important;
}

.md-io-status.is-error {
  color: var(--danger);
}

.md-io-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.65rem;
}

.sheet h2 {
  margin: 0;
  font-size: 1.2rem;
}

.setting-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}

.setting-row label {
  font-weight: 550;
}

.setting-row .magvar-table-date {
  display: inline-block;
  margin-left: 0.45rem;
  font-weight: 450;
  font-size: 0.88em;
  white-space: nowrap;
}

.diversion-block {
  margin-top: 0.35rem;
}

.diversion-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  flex-wrap: wrap;
}

.diversion-head h3 {
  margin: 0;
}

.diversion-rwy-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.88rem;
  font-weight: 550;
  white-space: nowrap;
  cursor: pointer;
}

.diversion-rwy-toggle input {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--accent);
}

.diversion-icao-list {
  list-style: none;
  margin: 0.35rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.25rem 0.85rem;
  font-size: 0.84rem;
  max-height: 14rem;
  overflow: auto;
}

.diversion-icao-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.4rem;
  align-items: baseline;
  padding: 0.2rem 0;
  border-bottom: 1px solid var(--line);
}

.diversion-icao-list code {
  font-family: var(--mono);
  font-weight: 700;
  min-width: 3.2rem;
}

.diversion-icao-list .div-rwy {
  font-family: var(--mono);
  font-size: 0.8em;
  opacity: 0.9;
}

@media (max-width: 640px) {
  .diversion-icao-list {
    grid-template-columns: 1fr;
  }
}

.verify-line {
  margin: 0.9rem 0;
  color: var(--accent);
  font-weight: 600;
}

.ref-block {
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
}

.ref-block h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  letter-spacing: 0.03em;
}

.ref-lead {
  margin: 0 0 0.65rem;
  font-size: 0.82rem;
  line-height: 1.4;
}

.ref-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.ref-table th,
.ref-table td {
  border: 1px solid var(--line);
  padding: 0.55rem 0.65rem;
  text-align: left;
  vertical-align: top;
}

.ref-table th {
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(0, 0, 0, 0.18);
}

.ref-table code {
  font-family: var(--mono);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
}

.ref-table tbody tr:nth-child(even) {
  background: rgba(0, 0, 0, 0.12);
}

.ref-table code.route-example {
  display: block;
  margin-top: 0.35rem;
  white-space: normal;
  word-break: break-word;
  color: var(--text);
  font-weight: 500;
}

.md-body {
  line-height: 1.45;
  font-size: 0.92rem;
}

.md-body h1,
.md-body h2,
.md-body h3 {
  margin: 1rem 0 0.4rem;
}

.md-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.6rem 0 1rem;
  font-size: 0.82rem;
}

.md-body th,
.md-body td {
  border: 1px solid var(--line);
  padding: 0.35rem 0.45rem;
  vertical-align: top;
}

.md-body code {
  font-family: var(--mono);
  background: rgba(0, 0, 0, 0.25);
  padding: 0.05rem 0.3rem;
  border-radius: 4px;
}

/* Portrait nudge: still usable, but designed for landscape */
@media (orientation: portrait) {
  body::before {
    content: "Rotate to landscape for best use";
    display: block;
    text-align: center;
    background: #3a2a12;
    color: #f0d090;
    padding: 0.35rem;
    font-size: 0.8rem;
  }

  .main {
    grid-template-columns: 1fr;
    overflow: auto;
  }

  body {
    overflow: auto;
  }
}

@media (max-width: 900px) and (orientation: landscape) {
  .app-title {
    font-size: 1.15rem;
  }

  .header-left-cluster,
  .header-right-cluster {
    gap: 0.35rem;
  }

  .mode-btn,
  .theme-btn,
  .icon-btn {
    min-height: 2.6rem;
  }
}