/* Right-to-left languages (Arabic). The chrome mirrors through logical
   properties in the component sheets (inset-inline-*, margin-inline-*); this
   sheet holds only what logical properties cannot express. */

/* Arabic letters join: letter-spacing tears every word into separate glyphs.
   Latin marked translate="no" and the intel HUD's Latin telemetry keep their
   tracking; the HUD's translated lines are released below. Unlike cjk.css, a
   container that merely holds a translate="no" span is not spared: its own
   Arabic text would come apart. */
html:lang(ar)
  body
  :not(#intel-hud, #intel-hud *, [translate='no'], [translate='no'] *) {
  letter-spacing: 0 !important;
}

/* The intel HUD is an instrument overlay: corners, brackets, coordinates and
   sensor codes keep the English geometry. Its translated lines still read
   right to left inside that frame. */
html[dir='rtl'] #intel-hud {
  direction: ltr;
}
html[dir='rtl'] #intel-hud :is(.hud-mode, .hud-summary-label, .hud-summary) {
  unicode-bidi: plaintext;
  text-align: left;
  letter-spacing: 0 !important;
}

/* Font stacks: JetBrains Mono and Inter have no Arabic glyphs, and the
   generic monospace fallback is a fixed-pitch Arabic face that spaces every
   letter apart. Noto Sans Arabic (loaded with the other Google fonts; its
   files download only when the page shows Arabic) leads the mono stack, so
   the spaces between Arabic words come from it too and not from the
   fixed-pitch Latin face. The intel and cockpit HUDs keep JetBrains Mono for
   their Latin telemetry and column-aligned digits. */
html:lang(ar) {
  --font-mono:
    'Noto Sans Arabic', 'JetBrains Mono', 'SF Mono', 'Fira Code', 'Geeza Pro',
    Tahoma, monospace;
  --font-sans:
    'Inter', 'Noto Sans Arabic', -apple-system, BlinkMacSystemFont, 'Geeza Pro',
    Tahoma, sans-serif;
}
/* The Global Context lines and their buttons set ui-monospace through the
   `font` shorthand; route them through the Arabic-aware stack too. */
html:lang(ar)
  :is(
    #military-awareness-panel,
    .military-awareness-controls button,
    .military-awareness-standby button,
    .military-awareness-compass-label,
    .military-awareness-compass-heading,
    .military-awareness-direction-label,
    .tr3b-toggle
  ) {
  font-family: var(--font-mono);
}
html:lang(ar) :is(#intel-hud, #cockpit-hud) {
  --font-mono:
    'JetBrains Mono', 'SF Mono', 'Fira Code', 'Noto Sans Arabic', 'Geeza Pro',
    Tahoma, monospace;
}

/* The Display/Context rail moves to the left edge. It keeps a physical
   `right` in layers.css because the attribution-clearance model
   (creditAttribution.test.mjs) reads that rule; the swap only applies above
   the 720px band, where the rail is not edge-to-edge. */
@media (min-width: 721px) {
  html[dir='rtl'] #right-context-rail {
    right: auto;
    left: var(--right-rail-x);
  }
}
@media (min-width: 961px) and (min-height: 650px) {
  html[dir='rtl'][data-ui-theme='cyber'] #right-context-rail {
    right: auto;
    left: calc(51px + var(--panel-rail-clearance));
  }
}

/* The dock's wings swap sides (Location on the right, Visual presets on the
   left), so each slide-up tray is anchored from the wing's outer edge and
   centred on the whole dock from there, as it is in left-to-right. */
html[dir='rtl'] #command-dock #location-bar .dock-popover-content {
  right: calc((var(--dock-unified-width) - var(--dock-location-open)) / 2);
  left: auto;
  transform-origin: bottom right;
}
html[dir='rtl'] #command-dock #control-panel .dock-popover-content {
  right: auto;
  left: calc((var(--dock-unified-width) - var(--dock-presets-open)) / 2);
  transform-origin: bottom left;
}
@media (max-width: 900px) {
  html[dir='rtl'] #command-dock #location-bar .dock-popover-content {
    right: calc(
      (var(--dock-unified-width) - var(--dock-popover-mobile-width)) / 2
    );
  }
  html[dir='rtl'] #command-dock #control-panel .dock-popover-content {
    left: calc(
      (var(--dock-unified-width) - var(--dock-popover-mobile-width)) / 2
    );
  }
}
/* The tray pin sits on the tray's top end corner: top-left here. */
html[dir='rtl'] #command-dock :is(#location-bar, #control-panel) .dock-pin-btn {
  right: auto;
  left: -1rem;
}

/* The right rail sits on the left: its expand/collapse arrows point the
   other way, and the start window's "go" arrows point along the reading
   direction. */
html[dir='rtl'] #right-context-rail .panel-collapse-btn,
html[dir='rtl'] .first-run-arrow {
  transform: scaleX(-1);
}
html[dir='rtl'] .first-run-choices button:hover .first-run-arrow,
html[dir='rtl'] .first-run-choices button:focus-visible .first-run-arrow {
  transform: translateX(-2px) scaleX(-1);
}

/* The cockpit is an aircraft panel, not page chrome: its windows keep their
   physical sides, so the data-layer stack goes back to the left edge instead
   of landing on the utility controls. Gauges, tapes and the roll counters stay
   left to right (speed left, altitude right, -10 not 10-); the cards keep
   reading right to left. */
html[dir='rtl'] body.cockpit-mode #left-panel-stack {
  left: var(--left-stack-x);
  right: auto;
}
html[dir='rtl']
  #cockpit-hud
  :is(
    .cockpit-instrument-row,
    .cockpit-compass,
    .cockpit-pitch-rail,
    .cockpit-altitude-rim,
    .cockpit-roll-arc,
    .cockpit-vision-controls
  ) {
  direction: ltr;
}

/* Feed text (news headlines, station names) arrives in its own language:
   each line takes its direction from its first letter, so an English headline
   reads and aligns left to right instead of moving its punctuation. */
html[dir='rtl']
  :is(
    .cockpit-news-list li *,
    #radio-station-name,
    #radio-station-tags,
    .cockpit-radio-station
  ) {
  unicode-bidi: plaintext;
}

/* Clock readouts (~0:05 / 5:19) are numbers, not prose. */
html[dir='rtl'] #bhote-koshi-event-panel [data-role='time'] {
  direction: ltr;
  unicode-bidi: isolate;
}

/* Physical controls keep their left-to-right sense: FM seek down/up and the
   radio dial. The worded PREV / PLAY / NEXT row follows the reading
   direction like any other button row. */
html[dir='rtl'] :is(.sdr-seek-row, .radio-tuner) {
  direction: ltr;
}

/* Canvas labels (installations, map cards, detections) are measured and drawn
   with left-to-right geometry: a card's text starts at its left padding. A
   canvas inherits the page direction, which turned that start into the right
   edge and pushed every title out of its card. */
html[dir='rtl'] canvas {
  direction: ltr;
}

/* Scene callouts on the screen whiteboard: the card grows to the right of the
   text's x, so right-to-left text ends there instead of starting there. The
   injected stack (JetBrains Mono) has no Arabic glyphs; use the Arabic-aware
   one. */
html[dir='rtl'] .gev-anno-text {
  text-anchor: end;
  font-family: var(--font-mono);
  letter-spacing: 0;
}

/* Position counters built from bare numbers (01 / 25, 1 / 3) read as a number
   pair, left to right, as an unspaced 1/3 does; otherwise the slash swaps
   them and the current item looks like the total. Translated counters say
   «من» instead. */
html[dir='rtl']
  :is(
    #bhote-koshi-event-panel [data-role='beat-index'],
    #cockpit-brief-position,
    [data-mission-index]
  ) {
  direction: ltr;
  unicode-bidi: isolate;
}

/* The radio tuner header is a left-to-right instrument row; its channel
   readout («القناة 01 من 750») still reads in its own language. */
html[dir='rtl'] #radio-tuner-value {
  unicode-bidi: plaintext;
}

/* The select chevron sits at the end of the field, where the text stops
   (form-field.css pads that side through padding-inline-end). */
html[dir='rtl'] select.gev-field {
  background-position: left 8px center;
}
html[dir='rtl'] select.gev-field--compact {
  background-position: left 6px center;
}

/* A legend's range is printed under its colour ramp, which always runs low
   to high from left to right; the numbers keep that order. */
html[dir='rtl'] .rail-card-scale {
  direction: ltr;
}