/* Delta Bombers Vertical Obstacles, Landscape Fit and Canonical Route 6.4.0 — capability-aware startup, dynamic resolution, workload hysteresis, mobile thermal safeguards and complete twenty-eight-world preservation. */
:root {
  --delta-bombers-sky-top: #238fbd;
  --delta-bombers-sky-mid: #76bdc8;
  --delta-bombers-sky-horizon: #d9ae76;
  --delta-bombers-sun-core: rgba(255, 242, 190, 0.86);
  --delta-bombers-sun-glow: rgba(255, 207, 126, 0.38);
  --delta-bombers-sun-haze: rgba(255, 190, 112, 0.11);
  --delta-bombers-horizon-glow: rgba(255, 224, 177, 0.14);
  --delta-bombers-panel: rgba(9, 22, 35, 0.87);
  --delta-bombers-line: rgba(255, 255, 255, 0.18);
  --delta-bombers-text: #ffffff;
  --delta-bombers-cyan: #64f4ff;
  --delta-bombers-red: #ef3152;
  --delta-bombers-height: 100dvh;
  --delta-bombers-width: 100vw;
  --delta-bombers-visual-vw: 100vw;
  --delta-bombers-visual-vh: 100dvh;
  --delta-bombers-visual-offset-top: 0px;
  --delta-bombers-visual-offset-left: 0px;
  --delta-bombers-page-scale: 1;
  --delta-bombers-biome-accent: #ffb15c;
  --delta-bombers-biome-accent-soft: rgba(255, 177, 92, 0.27);
  --delta-bombers-biome-ink: #2b1205;
  --delta-bombers-biome-blend: 0;
  --delta-bombers-biome-transition-progress: 0;
}

html,
body.delta-bombers-full-page-shell {
  width: 100%;
  height: 100%;
  min-height: 100%;
  margin: 0 !important;
  padding: 0 !important;
  overflow: hidden !important;
  overscroll-behavior: none;
  background: var(--delta-bombers-sky-top);
}

body.delta-bombers-full-page-shell {
  position: fixed;
  inset: 0;
  touch-action: none;
  -webkit-touch-callout: none;
}

/* CSS page takeover is the stable baseline in every browser. Start also requests
   native browser full screen from its user gesture; if that API is unavailable or
   rejected, the managed fixed page remains the authoritative full-bleed surface. */
html.delta-bombers-immersive-active,
html.delta-bombers-immersive-active body {
  position: fixed !important;
  inset: 0 !important;
  width: 100% !important;
  height: 100% !important;
  min-height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  overflow: hidden !important;
  overscroll-behavior: none !important;
  background: var(--delta-bombers-sky-top) !important;
}

html.delta-bombers-immersive-active body > *:not(.delta-bombers-root):not(.delta-bombers-full-page-main):not(script):not(style):not(link) {
  visibility: hidden !important;
}

.delta-bombers-root.is-immersive {
  position: fixed !important;
  z-index: 2147483000 !important;
  inset: 0 !important;
  width: 100% !important;
  height: 100% !important;
  min-width: 0 !important;
  min-height: 0 !important;
  max-width: none !important;
  max-height: none !important;
  margin: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  contain: strict;
  visibility: visible !important;
}

html:fullscreen,
html:-webkit-full-screen,
html:fullscreen body,
html:-webkit-full-screen body {
  width: 100% !important;
  height: 100% !important;
  min-width: 0 !important;
  min-height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  overflow: hidden !important;
  background: var(--delta-bombers-sky-top) !important;
}

html:fullscreen .delta-bombers-root,
html:-webkit-full-screen .delta-bombers-root {
  position: fixed !important;
  inset: 0 !important;
  width: auto !important;
  height: auto !important;
  border-radius: 0 !important;
}

.delta-bombers-root:fullscreen,
.delta-bombers-root:-webkit-full-screen {
  width: 100vw !important;
  height: 100vh !important;
  min-height: 0 !important;
  border-radius: 0 !important;
  background: var(--delta-bombers-sky-top);
}

.delta-bombers-full-page-main {
  width: 100%;
  height: 100%;
  min-height: 0;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

.delta-bombers-root,
.delta-bombers-root * {
  box-sizing: border-box;
}

.delta-bombers-root {
  position: relative;
  display: block;
  width: min(100%, var(--delta-bombers-width));
  height: var(--delta-bombers-height);
  min-height: 240px;
  max-width: 100%;
  isolation: isolate;
  overflow: hidden;
  color: var(--delta-bombers-text);
  background:
    radial-gradient(circle at 79% 18%, var(--delta-bombers-sun-core) 0 1.1%, var(--delta-bombers-sun-glow) 3.3%, var(--delta-bombers-sun-haze) 8%, transparent 15%),
    radial-gradient(ellipse at 50% 88%, var(--delta-bombers-horizon-glow), transparent 45%),
    linear-gradient(180deg, var(--delta-bombers-sky-top) 0%, var(--delta-bombers-sky-mid) 54%, var(--delta-bombers-sky-horizon) 100%);
  transition: background-color 900ms ease, filter 420ms ease;
  border-radius: 14px;
  box-shadow: 0 24px 70px rgba(0, 25, 42, 0.24);
  font-family: Inter, ui-rounded, "SF Pro Rounded", "Avenir Next", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.35;
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  touch-action: none;
}

/* Active biome sky values are injected from the JavaScript biome registry.
   The root declarations above remain the no-script and first-paint fallback. */

body.delta-bombers-full-page-shell .delta-bombers-root {
  position: fixed !important;
  inset: 0 !important;
  width: 100% !important;
  height: 100% !important;
  min-width: 0 !important;
  min-height: 0 !important;
  max-width: none !important;
  max-height: none !important;
  border-radius: 0;
  box-shadow: none;
}

@supports (height: 100svh) {
  body.delta-bombers-full-page-shell .delta-bombers-root {
    height: 100svh;
  }
}

@supports (height: 100dvh) {
  body.delta-bombers-full-page-shell .delta-bombers-root {
    height: 100dvh;
  }
}

.delta-bombers-loading {
  position: absolute;
  z-index: 30;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  color: rgba(255, 255, 255, 0.92);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: linear-gradient(180deg, var(--delta-bombers-sky-top), var(--delta-bombers-sky-mid) 62%, var(--delta-bombers-sky-horizon));
}

.delta-bombers-shell {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  outline: none;
  background: transparent;
  touch-action: none;
}

.delta-bombers-webgl-canvas,
.delta-bombers-canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
}

.delta-bombers-webgl-canvas {
  z-index: 1;
  pointer-events: none;
  background: transparent;
}

.delta-bombers-canvas {
  z-index: 2;
  cursor: grab;
  touch-action: none;
}

.delta-bombers-canvas:active {
  cursor: grabbing;
}

.delta-bombers-root.is-playing::after {
  content: "";
  position: absolute;
  z-index: 3;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(9, 26, 39, 0.12), transparent 14%, transparent 86%, rgba(9, 26, 39, 0.12)),
    linear-gradient(180deg, rgba(4, 20, 31, 0.08), transparent 22%, transparent 73%, rgba(28, 17, 14, 0.16));
  mix-blend-mode: multiply;
}

.delta-bombers-hud {
  position: absolute;
  z-index: 6;
  inset: max(10px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) auto max(12px, env(safe-area-inset-left));
  display: grid;
  grid-template-columns: 48px minmax(64px, 1fr) auto 48px;
  align-items: start;
  gap: 10px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.delta-bombers-hud.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.delta-bombers-hud-button {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.30);
  border-radius: 50%;
  color: #fff;
  background: rgba(8, 20, 31, 0.30);
  box-shadow: 0 8px 20px rgba(0, 31, 48, 0.18), inset 0 1px rgba(255, 255, 255, 0.18);
  font: 800 25px/1 inherit;
  cursor: pointer;
  backdrop-filter: blur(8px);
}

.delta-bombers-fullscreen-button {
  justify-self: end;
  font-size: 19px;
  line-height: 1;
}

.delta-bombers-root[data-fullscreen="true"] .delta-bombers-fullscreen-button {
  border-color: rgba(100, 244, 255, 0.48);
  color: #c7fcff;
  background: rgba(5, 46, 60, 0.40);
}

.delta-bombers-timer {
  justify-self: center;
  min-width: 64px;
  padding: 1px 12px;
  color: #fff;
  font-size: clamp(32px, 5.8vw, 64px);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.055em;
  text-align: center;
  text-shadow: 0 3px 0 rgba(9, 24, 34, 0.15), 0 8px 18px rgba(0, 38, 60, 0.22);
  transform-origin: 50% 25%;
}

.delta-bombers-timer.is-time-bonus {
  animation: delta-bombers-time-bonus 480ms cubic-bezier(.2,.9,.22,1.2);
}

@keyframes delta-bombers-time-bonus {
  0% { transform: scale(1); color: #fff; }
  35% { transform: scale(1.34); color: #77fbff; text-shadow: 0 0 18px rgba(89, 245, 255, 0.88); }
  100% { transform: scale(1); color: #fff; }
}

.delta-bombers-hearts {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 7px;
  min-height: 42px;
  padding: 5px 9px 5px 12px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(8, 20, 31, 0.25);
  box-shadow: 0 8px 20px rgba(0, 31, 48, 0.16), inset 0 1px rgba(255, 255, 255, 0.15);
  font-size: clamp(19px, 3.3vw, 31px);
  line-height: 1;
  text-shadow: 0 3px 10px rgba(0, 24, 37, 0.26);
  backdrop-filter: blur(8px);
}

.delta-bombers-hearts > span {
  color: var(--delta-bombers-red);
  font-size: 1.18em;
  filter: drop-shadow(0 3px 5px rgba(124, 0, 25, 0.34));
}

.delta-bombers-hearts strong {
  min-width: 2.7ch;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.delta-bombers-difficulty-hud {
  position: absolute;
  z-index: 7;
  top: max(64px, calc(env(safe-area-inset-top) + 58px));
  left: max(18px, env(safe-area-inset-left));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 58px;
  min-height: 22px;
  padding: 4px 9px;
  border: 1px solid rgba(128, 245, 251, 0.35);
  border-radius: 999px;
  color: #bffcff;
  background: rgba(5, 36, 48, 0.44);
  box-shadow: 0 7px 20px rgba(0, 18, 28, 0.20), inset 0 1px rgba(255,255,255,0.10);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 140ms ease, transform 140ms ease;
  font: 950 9px/1 system-ui, sans-serif;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  backdrop-filter: blur(7px);
}

.delta-bombers-root.is-playing .delta-bombers-difficulty-hud {
  opacity: 1;
  transform: translateY(0);
}

.delta-bombers-root[data-difficulty="cadet"] .delta-bombers-difficulty-hud {
  color: #d9ffd7;
  border-color: rgba(159, 255, 151, 0.46);
  background: rgba(24, 81, 31, 0.50);
}

.delta-bombers-root[data-difficulty="ace"] .delta-bombers-difficulty-hud {
  color: #fff0d0;
  border-color: rgba(255, 160, 68, 0.70);
  background: rgba(120, 38, 8, 0.62);
  box-shadow: 0 0 18px rgba(255, 98, 30, 0.25), inset 0 1px rgba(255,255,255,0.10);
}

.delta-bombers-combat-status {
  position: absolute;
  z-index: 7;
  top: max(58px, calc(env(safe-area-inset-top) + 52px));
  left: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: min(320px, 54vw);
  min-height: 24px;
  pointer-events: none;
  transform: translateX(-50%);
}

.delta-bombers-lock-status,
.delta-bombers-missile-warning {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  padding: 4px 9px;
  border: 1px solid rgba(255, 255, 255, 0.20);
  border-radius: 999px;
  opacity: 0;
  transform: translateY(-4px) scale(0.94);
  transition: opacity 120ms ease, transform 120ms ease, background 120ms ease;
  font-size: 10px;
  font-weight: 950;
  line-height: 1;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  backdrop-filter: blur(7px);
}

.delta-bombers-lock-status {
  color: #ffe66f;
  background: rgba(37, 31, 10, 0.50);
}

.delta-bombers-lock-status.is-visible,
.delta-bombers-missile-warning.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.delta-bombers-lock-status.is-locked {
  color: #c8fdff;
  border-color: rgba(103, 246, 255, 0.72);
  background: rgba(12, 89, 104, 0.58);
  box-shadow: 0 0 16px rgba(63, 235, 248, 0.34);
}

.delta-bombers-lock-status.is-ground {
  color: #ffe7a3;
  border-color: rgba(255, 190, 73, 0.64);
  background: rgba(103, 55, 5, 0.62);
}

.delta-bombers-lock-status.is-ground.is-locked {
  color: #241500;
  border-color: rgba(255, 229, 143, 0.96);
  background: rgba(255, 184, 55, 0.92);
  box-shadow: 0 0 18px rgba(255, 158, 24, 0.54);
}

.delta-bombers-missile-warning {
  color: #fff;
  border-color: rgba(255, 117, 98, 0.82);
  background: rgba(137, 15, 15, 0.72);
  box-shadow: 0 0 18px rgba(255, 45, 31, 0.40);
  animation: delta-bombers-warning-pulse 520ms ease-in-out infinite alternate;
}

.delta-bombers-missile-warning.is-ground {
  color: #2b1700;
  border-color: rgba(255, 225, 143, 0.94);
  background: rgba(255, 153, 31, 0.88);
  box-shadow: 0 0 20px rgba(255, 150, 24, 0.52);
}

.delta-bombers-missile-warning.is-dodge {
  color: #190000;
  border-color: rgba(255, 255, 255, 0.96);
  background: rgba(255, 244, 211, 0.96);
  box-shadow: 0 0 26px rgba(255, 255, 255, 0.68), 0 0 40px rgba(255, 61, 35, 0.46);
  transform: translateY(0) scale(1.08);
}

.delta-bombers-missile-warning.is-ground.is-dodge {
  color: #231000;
  background: rgba(255, 235, 177, 0.98);
  box-shadow: 0 0 28px rgba(255, 244, 190, 0.72), 0 0 42px rgba(255, 151, 28, 0.52);
}

.delta-bombers-missile-warning.is-left::before { content: "◀"; margin-right: 5px; }
.delta-bombers-missile-warning.is-right::after { content: "▶"; margin-left: 5px; }

@keyframes delta-bombers-warning-pulse {
  from { filter: brightness(0.92); }
  to { filter: brightness(1.28); }
}

.delta-bombers-fire-button {
  position: absolute;
  z-index: 8;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  display: grid;
  grid-template-rows: 1fr auto;
  place-items: center;
  width: 86px;
  height: 86px;
  padding: 10px 8px 9px;
  border: 2px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.88);
  background: radial-gradient(circle at 38% 30%, rgba(90, 119, 133, 0.76), rgba(8, 24, 34, 0.82) 68%);
  box-shadow: 0 12px 34px rgba(0, 18, 30, 0.36), inset 0 2px 5px rgba(255, 255, 255, 0.13);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px) scale(0.90);
  transition: opacity 130ms ease, transform 130ms ease, background 130ms ease, border-color 130ms ease;
  font: 900 9px/1 inherit;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  touch-action: none;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

/* Two-thumb flight uses the canvas and FIRE control at the same time. Keep every
   active control surface out of Safari's page-pan and page-zoom gesture arena. */
.delta-bombers-root.is-playing,
.delta-bombers-root.is-playing .delta-bombers-shell,
.delta-bombers-root.is-playing .delta-bombers-canvas,
.delta-bombers-root.is-playing .delta-bombers-fire-button {
  touch-action: none !important;
  overscroll-behavior: none;
}

.delta-bombers-root.is-playing .delta-bombers-fire-button.is-visible {
  opacity: 0.64;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.delta-bombers-root.is-playing .delta-bombers-fire-button.is-armed {
  opacity: 0.92;
  border-color: rgba(255, 229, 111, 0.72);
}

.delta-bombers-root.is-playing .delta-bombers-fire-button.is-locked {
  opacity: 1;
  color: #062c37;
  border-color: rgba(210, 254, 255, 0.94);
  background: radial-gradient(circle at 38% 30%, #d2feff, #53eaf4 62%, #16aabd);
  box-shadow: 0 0 28px rgba(69, 237, 249, 0.66), 0 12px 34px rgba(0, 18, 30, 0.36), inset 0 2px 5px rgba(255, 255, 255, 0.58);
}

.delta-bombers-root.is-playing .delta-bombers-fire-button.is-ground-target.is-armed {
  border-color: rgba(255, 204, 96, 0.82);
  background: radial-gradient(circle at 38% 30%, rgba(155, 96, 22, 0.92), rgba(43, 28, 10, 0.94) 68%);
}

.delta-bombers-root.is-playing .delta-bombers-fire-button.is-ground-target.is-locked {
  color: #2a1600;
  border-color: rgba(255, 239, 181, 0.98);
  background: radial-gradient(circle at 38% 30%, #fff1bc, #ffbd4f 58%, #d96b13);
  box-shadow: 0 0 30px rgba(255, 167, 40, 0.70), 0 12px 34px rgba(0, 18, 30, 0.36), inset 0 2px 5px rgba(255, 255, 255, 0.62);
}

.delta-bombers-fire-button.is-cooldown {
  opacity: 0.34 !important;
  transform: translateY(0) scale(0.94) !important;
}

.delta-bombers-fire-button:active {
  transform: translateY(2px) scale(0.94) !important;
}

.delta-bombers-fire-icon {
  display: block;
  font-size: 31px;
  line-height: 0.8;
  transform: rotate(-90deg);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.28));
}

.delta-bombers-overlay {
  position: absolute;
  z-index: 10;
  inset: 0;
  display: none;
  place-items: center;
  padding: max(20px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-right)) max(20px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));
  overflow: auto;
  overscroll-behavior: contain;
  background:
    radial-gradient(circle at 50% 30%, rgba(64, 213, 235, 0.12), transparent 46%),
    linear-gradient(180deg, rgba(4, 19, 31, 0.23), rgba(5, 15, 25, 0.66));
  opacity: 0;
  transition: opacity 170ms ease;
  backdrop-filter: blur(2px);
}

.delta-bombers-overlay.is-visible {
  display: grid;
  opacity: 1;
}

.delta-bombers-menu-card {
  width: min(520px, 100%);
  padding: clamp(24px, 5vw, 44px);
  border: 1px solid var(--delta-bombers-line);
  border-radius: 28px;
  color: #fff;
  background:
    linear-gradient(145deg, rgba(20, 43, 59, 0.92), rgba(7, 17, 28, 0.91)),
    var(--delta-bombers-panel);
  box-shadow: 0 30px 90px rgba(0, 18, 30, 0.42), inset 0 1px rgba(255, 255, 255, 0.11);
  text-align: center;
}

.delta-bombers-menu-card h1 {
  margin: 7px 0 13px;
  color: #fff;
  font-size: clamp(34px, 7vw, 68px);
  font-weight: 950;
  line-height: 0.92;
  letter-spacing: -0.065em;
  text-wrap: balance;
}

.delta-bombers-menu-card p {
  margin: 0 auto 16px;
  max-width: 46ch;
  color: rgba(238, 248, 252, 0.82);
  font-size: clamp(14px, 2vw, 18px);
}

.delta-bombers-kicker {
  margin-bottom: 0 !important;
  color: var(--delta-bombers-cyan) !important;
  font-size: 12px !important;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.delta-bombers-difficulty-menu {
  width: min(900px, 100%);
}


.delta-bombers-landscape-picker {
  display: grid;
  grid-template-columns: minmax(210px, 0.72fr) minmax(0, 1.28fr);
  gap: 10px;
  max-width: 730px;
  margin: 19px auto 0;
  text-align: left;
}

.delta-bombers-landscape-control,
.delta-bombers-landscape-preview {
  min-height: 82px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-color: color-mix(in srgb, var(--landscape-accent, #64f4ff) 32%, rgba(255, 255, 255, 0.14));
  border-radius: 17px;
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.025));
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.08);
}

.delta-bombers-landscape-control {
  display: grid;
  align-content: center;
  gap: 7px;
  padding: 13px 14px;
}

.delta-bombers-landscape-control > span {
  color: rgba(235, 249, 252, 0.72);
  font-size: 10px;
  font-weight: 950;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.delta-bombers-landscape-control select {
  width: 100%;
  min-height: 39px;
  padding: 8px 34px 8px 11px;
  border: 1px solid rgba(154, 244, 255, 0.46);
  border-color: color-mix(in srgb, var(--landscape-accent, #64f4ff) 64%, rgba(255,255,255,.28));
  border-radius: 11px;
  color: #fff;
  background-color: rgba(5, 20, 32, 0.86);
  font: 850 13px/1.2 inherit;
  cursor: pointer;
  color-scheme: dark;
}

.delta-bombers-landscape-control select:focus-visible {
  border-color: rgba(163, 249, 255, 0.94);
  outline: 2px solid rgba(88, 230, 241, 0.24);
  outline-offset: 2px;
}

.delta-bombers-landscape-preview {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  align-items: center;
  gap: 13px;
  padding: 10px 13px;
}

.delta-bombers-landscape-preview > i {
  display: block;
  width: 76px;
  height: 58px;
  border: 1px solid rgba(255, 255, 255, 0.30);
  border-radius: 13px;
  background:
    radial-gradient(circle at 72% 24%, rgba(255, 248, 208, 0.84) 0 5%, transparent 16%),
    linear-gradient(180deg, var(--landscape-sky-top) 0%, var(--landscape-sky-mid) 58%, var(--landscape-sky-horizon) 100%);
  box-shadow: inset 0 1px rgba(255,255,255,0.30), 0 7px 18px rgba(0, 0, 0, 0.18);
}

.delta-bombers-landscape-preview > span {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.delta-bombers-landscape-preview strong {
  color: #fff;
  font-size: 16px;
  font-weight: 950;
  line-height: 1.05;
}

.delta-bombers-landscape-preview small {
  color: var(--landscape-accent, var(--delta-bombers-cyan));
  font-size: 9px;
  font-weight: 950;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.delta-bombers-landscape-preview em {
  overflow: hidden;
  color: rgba(238, 248, 252, 0.70);
  font-size: 10px;
  font-style: normal;
  line-height: 1.28;
  text-overflow: ellipsis;
}

.delta-bombers-topology-badge {
  justify-self: start;
  padding: 3px 7px;
  border: 1px solid color-mix(in srgb, var(--landscape-accent, #64f4ff) 46%, transparent);
  border-radius: 999px;
  color: color-mix(in srgb, var(--landscape-accent, #64f4ff) 82%, white);
  background: color-mix(in srgb, var(--landscape-accent-soft, rgba(100,244,255,.25)) 58%, rgba(4,18,28,.62));
  font: 900 7px/1.1 system-ui, sans-serif;
  letter-spacing: .10em;
  text-transform: uppercase;
}

.delta-bombers-root[data-world-topology="open-floodplain"] .delta-bombers-landscape-hud,
.delta-bombers-root[data-world-topology="braided-wetland"] .delta-bombers-landscape-hud,
.delta-bombers-root[data-world-topology="broad-river"] .delta-bombers-landscape-hud,
.delta-bombers-root[data-world-topology="waterfall-rim"] .delta-bombers-landscape-hud {
  border-color: color-mix(in srgb, var(--delta-bombers-biome-accent) 48%, rgba(255,255,255,.16));
  background: linear-gradient(155deg, rgba(4,29,34,.76), rgba(3,17,25,.58));
}

.delta-bombers-difficulty-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  max-width: 730px;
  margin: 22px auto 9px;
  color: rgba(235, 249, 252, 0.72);
  text-align: left;
}

.delta-bombers-difficulty-heading strong {
  color: #fff;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.delta-bombers-difficulty-heading span {
  color: var(--delta-bombers-cyan);
  font-size: 12px;
  font-weight: 850;
}

.delta-bombers-difficulty-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 730px;
  margin: 0 auto;
}

.delta-bombers-difficulty-option {
  position: relative;
  display: grid;
  align-content: start;
  gap: 6px;
  min-height: 168px;
  padding: 16px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  color: #fff;
  background: linear-gradient(155deg, rgba(255,255,255,0.08), rgba(255,255,255,0.025));
  box-shadow: inset 0 1px rgba(255,255,255,0.07);
  text-align: left;
  cursor: pointer;
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease, box-shadow 120ms ease;
}

.delta-bombers-difficulty-option::after {
  content: "";
  position: absolute;
  inset: auto -22px -28px auto;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(84, 232, 241, 0.13), rgba(84, 232, 241, 0));
  pointer-events: none;
}

.delta-bombers-difficulty-option:hover,
.delta-bombers-difficulty-option:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(139, 244, 251, 0.52);
  background: linear-gradient(155deg, rgba(82, 221, 232, 0.15), rgba(255,255,255,0.035));
  outline: none;
}

.delta-bombers-difficulty-option.is-selected {
  border-color: rgba(150, 249, 255, 0.88);
  background: linear-gradient(155deg, rgba(54, 213, 226, 0.25), rgba(14, 57, 72, 0.44));
  box-shadow: 0 0 0 2px rgba(73, 225, 237, 0.13), 0 14px 34px rgba(0, 25, 38, 0.22), inset 0 1px rgba(255,255,255,0.16);
}

.delta-bombers-difficulty-option[data-difficulty="cadet"].is-selected {
  border-color: rgba(164, 255, 159, 0.88);
  background: linear-gradient(155deg, rgba(91, 211, 91, 0.25), rgba(20, 72, 33, 0.45));
}

.delta-bombers-difficulty-option[data-difficulty="ace"].is-selected {
  border-color: rgba(255, 164, 77, 0.94);
  background: linear-gradient(155deg, rgba(255, 105, 37, 0.29), rgba(91, 23, 12, 0.53));
  box-shadow: 0 0 0 2px rgba(255, 117, 43, 0.14), 0 14px 34px rgba(45, 12, 0, 0.28), inset 0 1px rgba(255,255,255,0.14);
}

.delta-bombers-difficulty-name {
  font-size: 22px;
  font-weight: 950;
  line-height: 1;
  letter-spacing: -0.035em;
}

.delta-bombers-difficulty-strap {
  color: var(--delta-bombers-cyan);
  font-size: 10px;
  font-weight: 950;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.delta-bombers-difficulty-description {
  color: rgba(238, 248, 252, 0.72);
  font-size: 12px;
  line-height: 1.36;
}

.delta-bombers-difficulty-multiplier {
  align-self: end;
  margin-top: auto;
  color: rgba(255,255,255,0.82);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.delta-bombers-menu-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 23px;
}

.delta-bombers-button {
  min-width: 128px;
  min-height: 48px;
  padding: 12px 19px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  color: #fff;
  background: rgba(255, 255, 255, 0.09);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.08);
  font: 850 15px/1 inherit;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

.delta-bombers-button:hover,
.delta-bombers-button:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.15);
  outline: none;
}

.delta-bombers-button:active {
  transform: translateY(1px) scale(0.985);
}

.delta-bombers-primary {
  color: #06202b;
  border-color: rgba(157, 249, 255, 0.86);
  background: linear-gradient(180deg, #9dfbff, #4ee4ee);
  box-shadow: 0 10px 28px rgba(58, 229, 241, 0.27), inset 0 1px rgba(255, 255, 255, 0.74);
}

.delta-bombers-primary:hover,
.delta-bombers-primary:focus-visible {
  background: linear-gradient(180deg, #c5fdff, #65edf4);
}

.delta-bombers-control-copy {
  margin-top: 19px !important;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 13px !important;
}

.delta-bombers-build-badge {
  display: inline-flex;
  width: auto;
  margin: 2px auto 0 !important;
  padding: 6px 10px;
  border: 1px solid rgba(102, 238, 247, 0.22);
  border-radius: 999px;
  color: rgba(157, 247, 253, 0.86) !important;
  background: rgba(54, 221, 233, 0.07);
  font: 800 10px/1.1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace !important;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.delta-bombers-how-card {
  text-align: left;
}

.delta-bombers-how-card h1,
.delta-bombers-how-card .delta-bombers-kicker,
.delta-bombers-how-card > p {
  text-align: center;
}

.delta-bombers-how-card ol {
  display: grid;
  gap: 11px;
  margin: 22px 0 0;
  padding-left: 23px;
  color: rgba(239, 248, 252, 0.84);
}

.delta-bombers-how-card li {
  padding-left: 3px;
}

.delta-bombers-how-card li::marker {
  color: var(--delta-bombers-cyan);
  font-weight: 900;
}

.delta-bombers-how-card strong {
  color: #fff;
}

.delta-bombers-rotate-hint {
  position: absolute;
  z-index: 20;
  inset: 0;
  display: none;
  place-items: center;
  align-content: center;
  gap: 8px;
  padding: 28px;
  color: #fff;
  text-align: center;
  background: rgba(4, 17, 27, 0.91);
  backdrop-filter: blur(10px);
}

.delta-bombers-rotate-hint.is-visible {
  display: grid;
}

.delta-bombers-rotate-hint strong {
  font-size: 24px;
}

.delta-bombers-rotate-hint span {
  max-width: 30ch;
  color: rgba(255, 255, 255, 0.72);
}

.delta-bombers-root.is-webgl-missing .delta-bombers-webgl-canvas {
  display: none;
}

@media (max-width: 760px) {
  .delta-bombers-root {
    border-radius: 0;
    box-shadow: none;
  }

  .delta-bombers-hud {
    grid-template-columns: 38px minmax(48px, 1fr) auto 38px;
    inset: max(6px, env(safe-area-inset-top)) max(8px, env(safe-area-inset-right)) auto max(8px, env(safe-area-inset-left));
    gap: 7px;
  }

  .delta-bombers-hud-button {
    width: 36px;
    height: 36px;
    font-size: 21px;
  }

  .delta-bombers-timer {
    min-width: 48px;
    font-size: clamp(30px, 8vw, 45px);
  }

  .delta-bombers-hearts {
    min-height: 35px;
    padding: 4px 8px 4px 9px;
    gap: 5px;
    font-size: clamp(17px, 5vw, 24px);
  }

  .delta-bombers-combat-status {
    top: max(47px, calc(env(safe-area-inset-top) + 41px));
    gap: 5px;
    width: min(290px, 58vw);
  }

  .delta-bombers-lock-status,
  .delta-bombers-missile-warning {
    min-height: 20px;
    padding: 3px 7px;
    font-size: 8px;
  }

  .delta-bombers-fire-button {
    right: max(10px, env(safe-area-inset-right));
    bottom: max(10px, env(safe-area-inset-bottom));
    width: 70px;
    height: 70px;
    padding: 8px 6px 7px;
    font-size: 8px;
  }

  .delta-bombers-fire-icon {
    font-size: 25px;
  }

  .delta-bombers-overlay {
    padding: max(12px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  }

  .delta-bombers-menu-card {
    padding: 22px;
    border-radius: 22px;
  }

  .delta-bombers-menu-card h1 {
    font-size: clamp(34px, 10vw, 52px);
  }

  .delta-bombers-menu-card p {
    font-size: 13px;
  }

  .delta-bombers-menu-actions {
    margin-top: 17px;
  }

  .delta-bombers-button {
    min-width: 112px;
    min-height: 44px;
    padding: 10px 16px;
    font-size: 14px;
  }

  .delta-bombers-difficulty-hud {
    top: max(48px, calc(env(safe-area-inset-top) + 42px));
    left: max(8px, env(safe-area-inset-left));
    min-width: 48px;
    min-height: 19px;
    padding: 3px 7px;
    font-size: 7px;
  }

  .delta-bombers-difficulty-menu {
    width: min(720px, 100%);
  }


  .delta-bombers-landscape-picker {
    grid-template-columns: 1fr;
    gap: 7px;
    margin-top: 13px;
  }

  .delta-bombers-landscape-control,
  .delta-bombers-landscape-preview {
    min-height: 68px;
    border-radius: 14px;
  }

  .delta-bombers-landscape-preview {
    grid-template-columns: 64px minmax(0, 1fr);
    padding: 8px 10px;
  }

  .delta-bombers-landscape-preview > i {
    width: 64px;
    height: 48px;
    border-radius: 11px;
  }

  .delta-bombers-difficulty-heading {
    margin-top: 15px;
  }

  .delta-bombers-difficulty-grid {
    gap: 7px;
  }

  .delta-bombers-difficulty-option {
    min-height: 145px;
    padding: 12px;
    border-radius: 15px;
  }

  .delta-bombers-difficulty-name { font-size: 18px; }
  .delta-bombers-difficulty-description { font-size: 10px; }
}


/* Keep the expanded world/difficulty menu wholly visible in a standard 720p
   fullscreen window. Smaller landscape phones continue to use the dedicated
   max-height:480px rules below. */
@media (min-width: 900px) and (max-height: 760px) {
  .delta-bombers-overlay {
    padding: 8px max(14px, env(safe-area-inset-right)) 8px max(14px, env(safe-area-inset-left));
  }

  .delta-bombers-difficulty-menu {
    width: min(900px, 96vw);
    padding: 18px 32px;
    border-radius: 22px;
  }

  .delta-bombers-difficulty-menu .delta-bombers-kicker {
    font-size: 10px !important;
  }

  .delta-bombers-difficulty-menu h1 {
    margin: 3px 0 8px;
    font-size: clamp(42px, 6.2vw, 54px);
  }

  .delta-bombers-difficulty-menu > p:not(.delta-bombers-kicker):not(.delta-bombers-control-copy):not(.delta-bombers-build-badge) {
    margin-bottom: 9px;
    font-size: 14px;
    line-height: 1.28;
  }

  .delta-bombers-landscape-picker { margin-top: 10px; }

  .delta-bombers-landscape-control,
  .delta-bombers-landscape-preview { min-height: 68px; }

  .delta-bombers-landscape-control {
    gap: 4px;
    padding: 9px 12px;
  }

  .delta-bombers-landscape-control select {
    min-height: 35px;
    padding-block: 6px;
  }

  .delta-bombers-landscape-preview {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 10px;
    padding: 7px 10px;
  }

  .delta-bombers-landscape-preview > i {
    width: 64px;
    height: 48px;
    border-radius: 11px;
  }

  .delta-bombers-landscape-preview strong { font-size: 15px; }
  .delta-bombers-landscape-preview em { font-size: 9px; }

  .delta-bombers-difficulty-heading { margin: 12px auto 6px; }
  .delta-bombers-difficulty-grid { gap: 8px; }

  .delta-bombers-difficulty-option {
    min-height: 122px;
    gap: 4px;
    padding: 12px 14px;
    border-radius: 15px;
  }

  .delta-bombers-difficulty-name { font-size: 20px; }
  .delta-bombers-difficulty-description { font-size: 10px; line-height: 1.28; }
  .delta-bombers-difficulty-multiplier { font-size: 9px; }

  .delta-bombers-menu-actions { margin-top: 13px; }

  .delta-bombers-button {
    min-height: 42px;
    padding: 9px 17px;
    font-size: 13px;
  }

  .delta-bombers-control-copy { display: none; }

  .delta-bombers-build-badge {
    padding: 4px 8px;
    font-size: 8px !important;
  }
}

@media (max-height: 480px) and (orientation: landscape) {
  .delta-bombers-overlay {
    align-items: center;
    padding: max(7px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(7px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  }

  .delta-bombers-menu-card {
    width: min(660px, 92vw);
    max-height: calc(var(--delta-bombers-visual-vh, 100dvh) - 14px);
    padding: 15px 22px;
    border-radius: 18px;
    overflow: auto;
  }

  .delta-bombers-menu-card h1 {
    margin: 3px 0 7px;
    font-size: clamp(29px, 7.4vh, 43px);
  }

  .delta-bombers-menu-card p {
    margin-bottom: 8px;
    font-size: 12px;
  }

  .delta-bombers-kicker {
    font-size: 10px !important;
  }

  .delta-bombers-menu-actions {
    margin-top: 11px;
  }

  .delta-bombers-button {
    min-height: 38px;
    padding: 8px 15px;
  }

  .delta-bombers-fire-button {
    width: 62px;
    height: 62px;
    right: max(9px, env(safe-area-inset-right));
    bottom: max(9px, env(safe-area-inset-bottom));
    padding: 7px 5px 6px;
    font-size: 7px;
  }

  .delta-bombers-fire-icon { font-size: 22px; }

  .delta-bombers-combat-status {
    top: max(43px, calc(env(safe-area-inset-top) + 38px));
  }

  .delta-bombers-control-copy {
    margin-top: 10px !important;
    padding-top: 9px;
  }

  .delta-bombers-difficulty-menu > p:not(.delta-bombers-kicker):not(.delta-bombers-control-copy):not(.delta-bombers-build-badge) {
    display: none;
  }

  .delta-bombers-landscape-picker {
    grid-template-columns: minmax(190px, 0.72fr) minmax(0, 1.28fr);
    gap: 6px;
    margin-top: 6px;
  }

  .delta-bombers-landscape-control,
  .delta-bombers-landscape-preview {
    min-height: 56px;
    border-radius: 11px;
  }

  .delta-bombers-landscape-control {
    gap: 3px;
    padding: 6px 9px;
  }

  .delta-bombers-landscape-control select {
    min-height: 31px;
    padding-block: 5px;
    font-size: 11px;
  }

  .delta-bombers-landscape-preview {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 8px;
    padding: 5px 8px;
  }

  .delta-bombers-landscape-preview > i {
    width: 52px;
    height: 40px;
    border-radius: 8px;
  }

  .delta-bombers-landscape-preview strong { font-size: 13px; }
  .delta-bombers-landscape-preview small { font-size: 7px; }
  .delta-bombers-landscape-preview em { display: none; }

  .delta-bombers-difficulty-heading {
    margin: 7px auto 5px;
  }

  .delta-bombers-difficulty-grid {
    gap: 6px;
  }

  .delta-bombers-difficulty-option {
    min-height: 90px;
    grid-template-columns: 1fr auto;
    gap: 3px 8px;
    padding: 8px 10px;
    border-radius: 12px;
  }

  .delta-bombers-difficulty-name {
    font-size: 16px;
  }

  .delta-bombers-difficulty-strap {
    align-self: center;
    font-size: 8px;
    text-align: right;
  }

  .delta-bombers-difficulty-description {
    grid-column: 1 / -1;
    display: -webkit-box;
    overflow: hidden;
    font-size: 9px;
    line-height: 1.22;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }

  .delta-bombers-difficulty-multiplier {
    grid-column: 1 / -1;
    font-size: 8px;
  }

  .delta-bombers-how-card ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px 22px;
    margin-top: 10px;
    font-size: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .delta-bombers-hud,
  .delta-bombers-combat-status,
  .delta-bombers-fire-button,
  .delta-bombers-overlay,
  .delta-bombers-button,
  .delta-bombers-difficulty-option,
  .delta-bombers-difficulty-hud {
    transition: none;
  }
  .delta-bombers-timer.is-time-bonus {
    animation: none;
  }
}

@media (prefers-reduced-motion: reduce) { .delta-bombers-missile-warning { animation: none; } }

/* --------------------------------------------------------------------------
   Full-screen and landscape-selector foundation retained from the Pass 9 release
   -------------------------------------------------------------------------- */

/* The dedicated game page must always be a single fixed viewport. Do not use
   visualViewport offsets or an explicit pixel width for the positioned root;
   iOS Safari can briefly report portrait dimensions after rotation, producing
   the half-page blue strip shown in the supplied screenshots. */
html.delta-bombers-immersive-active,
body.delta-bombers-full-page-shell,
.delta-bombers-full-page-main {
  position: fixed !important;
  inset: 0 !important;
  width: auto !important;
  height: auto !important;
  min-width: 0 !important;
  min-height: 0 !important;
  max-width: none !important;
  max-height: none !important;
  overflow: hidden !important;
}

body.delta-bombers-full-page-shell .delta-bombers-root,
.delta-bombers-root.is-immersive {
  position: fixed !important;
  inset: 0 !important;
  top: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  left: 0 !important;
  width: auto !important;
  height: auto !important;
  min-width: 0 !important;
  min-height: 0 !important;
  max-width: none !important;
  max-height: none !important;
  margin: 0 !important;
  border-radius: 0 !important;
  transform: none !important;
}

.delta-bombers-root:fullscreen,
.delta-bombers-root:-webkit-full-screen {
  position: fixed !important;
  inset: 0 !important;
  width: 100% !important;
  height: 100% !important;
}

.delta-bombers-small-arms-warning {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  padding: 4px 9px;
  border: 1px solid rgba(232, 255, 113, 0.72);
  border-radius: 999px;
  color: #f4ffc4;
  background: rgba(60, 72, 8, 0.76);
  box-shadow: 0 0 18px rgba(213, 255, 75, 0.34);
  opacity: 0;
  transform: translateY(-4px) scale(0.94);
  transition: opacity 100ms ease, transform 100ms ease, background 100ms ease;
  font-size: 10px;
  font-weight: 950;
  line-height: 1;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
  backdrop-filter: blur(7px);
}

.delta-bombers-small-arms-warning.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.delta-bombers-small-arms-warning.is-incoming {
  color: #241400;
  border-color: rgba(255, 255, 219, 0.98);
  background: rgba(255, 211, 74, 0.96);
  box-shadow: 0 0 26px rgba(255, 231, 103, 0.66), 0 0 42px rgba(255, 147, 28, 0.38);
  animation: delta-bombers-small-arms-pulse 180ms ease-in-out infinite alternate;
}

.delta-bombers-small-arms-warning.is-left::before { content: "◀"; margin-right: 5px; }
.delta-bombers-small-arms-warning.is-right::after { content: "▶"; margin-left: 5px; }

@keyframes delta-bombers-small-arms-pulse {
  from { filter: brightness(0.94); transform: translateY(0) scale(1); }
  to { filter: brightness(1.24); transform: translateY(0) scale(1.06); }
}

.delta-bombers-damage-status {
  position: absolute;
  z-index: 8;
  left: max(15px, env(safe-area-inset-left));
  bottom: max(16px, env(safe-area-inset-bottom));
  display: grid;
  gap: 5px;
  width: min(220px, 34vw);
  padding: 8px 10px;
  border: 1px solid rgba(255, 131, 90, 0.62);
  border-radius: 12px;
  color: #ffe8d8;
  background: rgba(77, 14, 10, 0.76);
  box-shadow: 0 9px 26px rgba(45, 0, 0, 0.32), 0 0 20px rgba(255, 67, 35, 0.20);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 130ms ease, transform 130ms ease;
  font: 950 9px/1 system-ui, sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  backdrop-filter: blur(7px);
}

.delta-bombers-damage-status.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.delta-bombers-damage-status.is-severe {
  border-color: rgba(255, 245, 211, 0.88);
  background: rgba(129, 10, 5, 0.88);
  animation: delta-bombers-damage-pulse 420ms ease-in-out infinite alternate;
}

.delta-bombers-damage-status i {
  display: block;
  width: 100%;
  height: 5px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.15);
}

.delta-bombers-damage-status b {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #ffd45d, #ff5a35 60%, #fff0df);
  box-shadow: 0 0 10px rgba(255, 91, 42, 0.70);
  transition: width 100ms linear;
}

@keyframes delta-bombers-damage-pulse {
  from { filter: brightness(0.94); }
  to { filter: brightness(1.18); }
}

.delta-bombers-lock-status.is-squad {
  color: #efff9d;
  border-color: rgba(217, 255, 96, 0.72);
  background: rgba(62, 79, 8, 0.66);
}

.delta-bombers-lock-status.is-squad.is-locked {
  color: #172000;
  border-color: rgba(246, 255, 194, 0.98);
  background: rgba(214, 248, 79, 0.96);
  box-shadow: 0 0 20px rgba(211, 255, 71, 0.58);
}

.delta-bombers-fire-button.is-squad-target {
  border-color: rgba(226, 255, 105, 0.78);
  background: radial-gradient(circle at 38% 30%, rgba(181, 209, 60, 0.94), rgba(52, 68, 7, 0.92) 68%);
  box-shadow: 0 0 24px rgba(210, 255, 80, 0.34), inset 0 2px 5px rgba(255, 255, 255, 0.20);
}

.delta-bombers-missile-warning {
  --missile-proximity: 0;
  min-height: 27px;
  padding: 5px 11px;
  border-width: 2px;
  font-size: 10px;
  box-shadow: 0 0 32px rgba(255, 45, 31, 0.58), 0 0 52px rgba(255, 45, 31, 0.24);
}

.delta-bombers-missile-warning.is-visible {
  transform: translateY(0) scale(1.06);
}

.delta-bombers-missile-warning.is-dodge {
  animation-duration: 220ms;
}

.delta-bombers-root.is-flight-damaged .delta-bombers-webgl-canvas {
  filter: saturate(0.94) contrast(1.03);
}

@media (max-width: 760px) {
  .delta-bombers-combat-status {
    width: min(430px, 72vw);
    flex-wrap: wrap;
    gap: 4px;
  }

  .delta-bombers-lock-status,
  .delta-bombers-missile-warning,
  .delta-bombers-small-arms-warning {
    min-height: 21px;
    padding: 3px 7px;
    font-size: 8px;
  }

  .delta-bombers-damage-status {
    left: max(9px, env(safe-area-inset-left));
    bottom: max(9px, env(safe-area-inset-bottom));
    width: min(180px, 38vw);
    padding: 6px 8px;
    font-size: 7px;
  }
}

@media (orientation: portrait) and (max-width: 760px) {
  .delta-bombers-root:not(.is-playing) .delta-bombers-overlay {
    align-items: start;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .delta-bombers-root:not(.is-playing) .delta-bombers-menu-card {
    width: min(100%, 520px);
    max-width: 100%;
    margin: 0 auto;
  }

  .delta-bombers-difficulty-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .delta-bombers-small-arms-warning,
  .delta-bombers-damage-status {
    animation: none !important;
  }
}

/* Short landscape phones have no spare vertical room for explanatory copy.
   Keep the selector, three flight models and all launch controls visible without
   requiring an internal card scroll. */
@media (max-height: 480px) and (orientation: landscape) {
  .delta-bombers-difficulty-menu {
    overflow: hidden;
  }

  .delta-bombers-control-copy,
  .delta-bombers-build-badge {
    display: none;
  }

  .delta-bombers-menu-actions {
    margin-top: 8px;
  }

  .delta-bombers-difficulty-option {
    min-height: 84px;
  }
}


/* --------------------------------------------------------------------------
   Polished Low-Poly Original Arcade Worlds Pass 4 5.2.0
   -------------------------------------------------------------------------- */

.delta-bombers-landscape-hud {
  position: absolute;
  z-index: 7;
  top: max(64px, calc(env(safe-area-inset-top) + 58px));
  right: max(18px, env(safe-area-inset-right));
  display: grid;
  justify-items: end;
  gap: 2px;
  width: min(230px, 31vw);
  padding: 7px 10px 8px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.22);
  border-color: color-mix(in srgb, var(--delta-bombers-biome-accent) 58%, rgba(255,255,255,.18));
  border-radius: 12px;
  color: #fff;
  background:
    linear-gradient(135deg, var(--delta-bombers-biome-accent-soft), rgba(4, 15, 24, 0.66) 58%),
    rgba(4, 15, 24, 0.54);
  box-shadow: 0 8px 24px rgba(0, 18, 28, 0.22), inset 0 1px rgba(255,255,255,.10);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-5px);
  transition: opacity 170ms ease, transform 170ms ease, border-color 500ms ease, background 500ms ease;
  text-align: right;
  backdrop-filter: blur(8px);
}

.delta-bombers-root.is-playing .delta-bombers-landscape-hud {
  opacity: 0.94;
  transform: translateY(0);
}

.delta-bombers-landscape-hud > span,
.delta-bombers-landscape-hud > small {
  overflow: hidden;
  max-width: 100%;
  color: var(--delta-bombers-biome-accent);
  color: color-mix(in srgb, var(--delta-bombers-biome-accent) 82%, white);
  font: 950 7px/1.1 system-ui, sans-serif;
  letter-spacing: 0.13em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.delta-bombers-landscape-hud > strong {
  overflow: hidden;
  max-width: 100%;
  font: 950 12px/1.05 system-ui, sans-serif;
  letter-spacing: -0.02em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.delta-bombers-landscape-hud > small {
  color: rgba(239, 248, 251, 0.66);
  font-size: 6px;
}

.delta-bombers-landscape-hud > i {
  display: block;
  width: 100%;
  height: 2px;
  margin-top: 3px;
  overflow: hidden;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--delta-bombers-biome-accent), rgba(255,255,255,.18));
  box-shadow: 0 0 12px var(--delta-bombers-biome-accent-soft);
  transform-origin: left center;
  transform: scaleX(calc(0.20 + var(--delta-bombers-biome-blend) * 0.80));
  transition: transform 120ms linear, background 500ms ease;
}


.delta-bombers-route-hud {
  position: absolute;
  z-index: 7;
  top: max(126px, calc(env(safe-area-inset-top) + 120px));
  right: max(18px, env(safe-area-inset-right));
  display: grid;
  justify-items: end;
  gap: 2px;
  width: min(210px, 29vw);
  padding: 6px 10px 7px;
  border: 1px solid color-mix(in srgb, var(--delta-bombers-biome-accent) 42%, rgba(255,255,255,.14));
  border-radius: 11px;
  color: #fff;
  background: linear-gradient(145deg, rgba(4,35,38,.76), rgba(3,17,25,.58));
  box-shadow: 0 8px 22px rgba(0,18,28,.18), inset 0 1px rgba(255,255,255,.08);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 160ms ease, transform 160ms ease, border-color 450ms ease;
  text-align: right;
  backdrop-filter: blur(8px);
}

.delta-bombers-route-hud.is-visible {
  opacity: .91;
  transform: translateY(0);
}

.delta-bombers-route-hud > span,
.delta-bombers-route-hud > small {
  overflow: hidden;
  max-width: 100%;
  color: color-mix(in srgb, var(--delta-bombers-biome-accent) 84%, white);
  font: 950 6px/1.1 system-ui, sans-serif;
  letter-spacing: .13em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.delta-bombers-route-hud > strong {
  overflow: hidden;
  max-width: 100%;
  font: 950 10px/1.05 system-ui, sans-serif;
  letter-spacing: -.01em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.delta-bombers-route-hud > small {
  color: rgba(235,248,250,.61);
  font-size: 5.5px;
}

.delta-bombers-root[data-route-branching="true"] .delta-bombers-route-hud {
  border-color: color-mix(in srgb, var(--delta-bombers-biome-accent) 66%, rgba(255,255,255,.16));
  box-shadow: 0 8px 22px rgba(0,18,28,.18), 0 0 18px var(--delta-bombers-biome-accent-soft), inset 0 1px rgba(255,255,255,.08);
}

.delta-bombers-biome-transition {
  position: absolute;
  z-index: 9;
  inset: 0;
  display: grid;
  place-items: center;
  padding: max(72px, env(safe-area-inset-top)) max(22px, env(safe-area-inset-right)) max(72px, env(safe-area-inset-bottom)) max(22px, env(safe-area-inset-left));
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.delta-bombers-biome-transition::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 0 24%, var(--delta-bombers-biome-accent-soft) 50%, transparent 76% 100%),
    radial-gradient(ellipse at 50% 56%, var(--delta-bombers-biome-accent-soft), transparent 52%);
  mix-blend-mode: screen;
  opacity: 0.48;
  transform: translateX(-22%);
}

.delta-bombers-biome-transition-card {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 4px;
  min-width: min(520px, 76vw);
  padding: 15px 26px 17px;
  border-top: 1px solid var(--delta-bombers-biome-accent);
  border-top-color: color-mix(in srgb, var(--delta-bombers-biome-accent) 72%, white);
  border-bottom: 1px solid var(--delta-bombers-biome-accent-soft);
  border-bottom-color: color-mix(in srgb, var(--delta-bombers-biome-accent) 52%, transparent);
  color: #fff;
  background: linear-gradient(90deg, transparent, rgba(3, 13, 21, 0.58) 20% 80%, transparent);
  text-align: center;
  text-shadow: 0 3px 18px rgba(0,0,0,.42);
}

.delta-bombers-biome-transition-card > span,
.delta-bombers-biome-transition-card > small {
  color: var(--delta-bombers-biome-accent);
  color: color-mix(in srgb, var(--delta-bombers-biome-accent) 82%, white);
  font: 950 9px/1.1 system-ui, sans-serif;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.delta-bombers-biome-transition-card > strong {
  font: 950 clamp(30px, 5.4vw, 66px)/0.94 system-ui, sans-serif;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.delta-bombers-biome-transition-card > small {
  color: rgba(245, 250, 252, 0.82);
  font-size: 8px;
}

.delta-bombers-biome-transition.is-visible {
  animation: delta-bombers-biome-reveal 2.45s cubic-bezier(.2,.72,.18,1) both;
}

.delta-bombers-biome-transition.is-visible::before {
  animation: delta-bombers-biome-sweep 2.45s ease-out both;
}

.delta-bombers-biome-transition.is-visible .delta-bombers-biome-transition-card {
  animation: delta-bombers-biome-card 2.45s cubic-bezier(.18,.72,.24,1) both;
}

@keyframes delta-bombers-biome-reveal {
  0% { opacity: 0; }
  10% { opacity: 1; }
  64% { opacity: 1; }
  100% { opacity: 0; }
}

@keyframes delta-bombers-biome-sweep {
  0% { opacity: 0; transform: translateX(-34%) scaleX(.7); }
  24% { opacity: .54; }
  100% { opacity: 0; transform: translateX(34%) scaleX(1.16); }
}

@keyframes delta-bombers-biome-card {
  0% { opacity: 0; transform: translateY(18px) scale(.96); filter: blur(5px); }
  12% { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
  65% { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
  100% { opacity: 0; transform: translateY(-10px) scale(1.015); filter: blur(2px); }
}

@media (max-width: 760px) {
  .delta-bombers-landscape-hud {
    top: max(47px, calc(env(safe-area-inset-top) + 41px));
    right: max(8px, env(safe-area-inset-right));
    width: min(190px, 36vw);
    padding: 5px 7px 6px;
    border-radius: 9px;
  }
  .delta-bombers-landscape-hud > strong { font-size: 9px; }
  .delta-bombers-landscape-hud > span { font-size: 6px; }
  .delta-bombers-landscape-hud > small { display: none; }
  .delta-bombers-route-hud {
    top: max(91px, calc(env(safe-area-inset-top) + 85px));
    right: max(8px, env(safe-area-inset-right));
    width: min(176px, 35vw);
    padding: 4px 7px 5px;
    border-radius: 8px;
  }
  .delta-bombers-route-hud > strong { font-size: 8px; }
  .delta-bombers-route-hud > span { font-size: 5px; }
  .delta-bombers-route-hud > small { display: none; }
  .delta-bombers-biome-transition-card { min-width: min(460px, 82vw); padding: 11px 18px 13px; }
  .delta-bombers-biome-transition-card > strong { font-size: clamp(27px, 7vw, 48px); }
}

@media (max-height: 480px) and (orientation: landscape) {
  .delta-bombers-landscape-hud { top: max(43px, calc(env(safe-area-inset-top) + 38px)); }
  .delta-bombers-route-hud { top: max(82px, calc(env(safe-area-inset-top) + 77px)); }
  .delta-bombers-biome-transition { padding-top: 54px; padding-bottom: 48px; }
  .delta-bombers-biome-transition-card { padding-top: 9px; padding-bottom: 10px; }
  .delta-bombers-biome-transition-card > strong { font-size: clamp(24px, 6vw, 42px); }
}

@media (prefers-reduced-motion: reduce) {
  .delta-bombers-landscape-hud,
  .delta-bombers-route-hud,
  .delta-bombers-biome-transition,
  .delta-bombers-biome-transition::before,
  .delta-bombers-biome-transition-card {
    transition: none !important;
    animation: none !important;
  }
  .delta-bombers-biome-transition.is-visible { opacity: 0.92; }
}

/* Pass 11: gameplay readability and adaptive rendering budget. */
.delta-bombers-performance-hud {
  position: absolute;
  z-index: 7;
  top: max(94px, calc(env(safe-area-inset-top) + 88px));
  left: max(18px, env(safe-area-inset-left));
  min-height: 18px;
  padding: 4px 8px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
  color: rgba(232,249,252,.82);
  background: rgba(5,23,34,.42);
  box-shadow: 0 6px 16px rgba(0,18,28,.17), inset 0 1px rgba(255,255,255,.08);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-3px);
  transition: opacity 140ms ease, transform 140ms ease, border-color 180ms ease, color 180ms ease;
  font: 900 7px/1 system-ui, sans-serif;
  letter-spacing: .12em;
  text-transform: uppercase;
  backdrop-filter: blur(7px);
}

.delta-bombers-root.is-playing .delta-bombers-performance-hud {
  opacity: .88;
  transform: translateY(0);
}

.delta-bombers-root[data-quality-tier="performance"] .delta-bombers-performance-hud {
  color: #ffe0a8;
  border-color: rgba(255,190,92,.40);
}

.delta-bombers-clearance-warning {
  --clearance-proximity: 0;
  position: absolute;
  z-index: 9;
  left: 50%;
  bottom: max(28px, calc(env(safe-area-inset-bottom) + 22px));
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  gap: 8px;
  min-width: 130px;
  min-height: 30px;
  padding: 6px 13px;
  border: 1px solid rgba(255,188,73,.64);
  border-radius: 999px;
  color: #fff2cf;
  background: linear-gradient(180deg, rgba(74,43,7,.80), rgba(30,19,5,.80));
  box-shadow: 0 0 calc(10px + 17px * var(--clearance-proximity)) rgba(255,151,34,.26), inset 0 1px rgba(255,255,255,.13);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px) scale(.95);
  transition: opacity 120ms ease, transform 160ms ease, border-color 120ms ease, background 120ms ease;
  font: 950 10px/1 system-ui, sans-serif;
  letter-spacing: .13em;
  text-transform: uppercase;
  text-align: center;
  backdrop-filter: blur(9px);
}

.delta-bombers-clearance-warning::before,
.delta-bombers-clearance-warning::after {
  position: absolute;
  top: 50%;
  opacity: 0;
  color: currentColor;
  font: 950 18px/1 system-ui, sans-serif;
  text-shadow: 0 0 12px currentColor;
  transform: translateY(-54%);
}
.delta-bombers-clearance-warning::before { content: "‹"; left: -24px; }
.delta-bombers-clearance-warning::after { content: "›"; right: -24px; }
.delta-bombers-clearance-warning.is-left::before,
.delta-bombers-clearance-warning.is-right::after { opacity: 1; animation: delta-bombers-clearance-nudge 520ms ease-in-out infinite alternate; }

.delta-bombers-clearance-warning.is-visible {
  opacity: 1;
  transform: translate(-50%, 0) scale(1);
}

.delta-bombers-clearance-warning.is-danger {
  border-color: rgba(255,77,61,.82);
  color: #fff;
  background: linear-gradient(180deg, rgba(126,21,16,.88), rgba(47,6,8,.88));
  box-shadow: 0 0 calc(14px + 22px * var(--clearance-proximity)) rgba(255,47,32,.38), inset 0 1px rgba(255,255,255,.15);
  animation: delta-bombers-clearance-danger 410ms ease-in-out infinite alternate;
}

.delta-bombers-clearance-warning > span { white-space: nowrap; }
.delta-bombers-clearance-warning > small {
  min-width: 2.7ch;
  color: rgba(255,255,255,.73);
  font-size: 8px;
  letter-spacing: .04em;
}
.delta-bombers-clearance-warning.is-floor::before {
  content: "↑";
  left: -25px;
  opacity: 1;
  animation: delta-bombers-clearance-nudge 480ms ease-in-out infinite alternate;
}

@keyframes delta-bombers-clearance-nudge {
  from { transform: translateY(-54%) translateX(0); }
  to { transform: translateY(-54%) translateX(var(--delta-bombers-clearance-shift, -4px)); }
}
.delta-bombers-clearance-warning.is-right { --delta-bombers-clearance-shift: 4px; }
@keyframes delta-bombers-clearance-danger {
  from { filter: brightness(.92); }
  to { filter: brightness(1.13); }
}

.delta-bombers-landscape-picker {
  grid-template-columns: minmax(260px, .88fr) minmax(0, 1.12fr);
  max-width: 820px;
}
.delta-bombers-menu-selectors {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}
.delta-bombers-quality-control {
  display: grid;
  align-content: center;
  gap: 6px;
  min-width: 0;
  min-height: 82px;
  padding: 12px 13px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 17px;
  background: linear-gradient(155deg, rgba(255,255,255,.09), rgba(255,255,255,.025));
  box-shadow: inset 0 1px rgba(255,255,255,.08);
}
.delta-bombers-quality-control > span {
  color: rgba(235,249,252,.72);
  font-size: 10px;
  font-weight: 950;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.delta-bombers-quality-control select {
  width: 100%;
  min-height: 39px;
  padding: 8px 30px 8px 10px;
  border: 1px solid rgba(154,244,255,.38);
  border-radius: 11px;
  color: #fff;
  background: rgba(5,20,32,.86);
  font-family: inherit;
  font-size: 12px;
  font-weight: 850;
  line-height: 1.2;
  color-scheme: dark;
}
.delta-bombers-quality-control small {
  display: block;
  color: rgba(226,241,246,.61);
  font: 650 8px/1.25 system-ui, sans-serif;
}
.delta-bombers-quality-control select:focus-visible {
  outline: 2px solid rgba(88,230,241,.24);
  outline-offset: 2px;
  border-color: rgba(163,249,255,.94);
}

@media (max-width: 760px) {
  .delta-bombers-performance-hud {
    top: max(73px, calc(env(safe-area-inset-top) + 67px));
    left: max(8px, env(safe-area-inset-left));
    padding: 3px 6px;
    font-size: 6px;
  }
  .delta-bombers-clearance-warning {
    bottom: max(12px, calc(env(safe-area-inset-bottom) + 8px));
    min-width: 112px;
    min-height: 25px;
    padding: 5px 10px;
    font-size: 8px;
  }
  .delta-bombers-menu-selectors { grid-template-columns: 1fr; gap: 7px; }
  .delta-bombers-quality-control { min-height: 66px; border-radius: 14px; padding: 9px 11px; }
  .delta-bombers-quality-control small { display: none; }
}

@media (max-height: 520px) and (orientation: landscape) {
  .delta-bombers-landscape-picker { grid-template-columns: minmax(310px, .92fr) minmax(0, 1.08fr); }
  .delta-bombers-menu-selectors { grid-template-columns: 1fr 1fr; gap: 6px; }
  .delta-bombers-quality-control,
  .delta-bombers-landscape-control { min-height: 55px; padding: 6px 8px; border-radius: 11px; }
  .delta-bombers-quality-control { gap: 3px; }
  .delta-bombers-quality-control select { min-height: 31px; padding-block: 5px; font-size: 10px; }
  .delta-bombers-quality-control small { display: none; }
  .delta-bombers-performance-hud { top: max(68px, calc(env(safe-area-inset-top) + 62px)); }
  .delta-bombers-clearance-warning { bottom: max(8px, env(safe-area-inset-bottom)); }
}

@media (prefers-reduced-motion: reduce) {
  .delta-bombers-clearance-warning,
  .delta-bombers-clearance-warning::before,
  .delta-bombers-clearance-warning::after { animation: none !important; transition: none !important; }
}

/* Keep the release identity legible without stealing menu space. */
.delta-bombers-build-badge {
  max-width: none;
  white-space: nowrap;
  font-size: 8px;
}


/* Polished Low-Poly Original Arcade Worlds Pass 4 5.2.0 — complete fourteen-world arcade consistency conversion with combined natural/fantasy materials and retained mobile safeguards. */
.delta-bombers-system-status {
  position: absolute;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(3, 10, 20, 0.72);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 160ms ease, visibility 160ms step-end;
}
.delta-bombers-system-status.is-visible {
  opacity: 1;
  visibility: visible;
  transition: opacity 160ms ease;
}
.delta-bombers-system-status > div {
  max-width: 420px;
  padding: 18px 22px;
  border: 1px solid rgba(145, 238, 255, 0.48);
  border-radius: 18px;
  background: rgba(4, 18, 34, 0.94);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.42), inset 0 0 36px rgba(68, 220, 255, 0.08);
  color: #effcff;
  text-align: center;
}
.delta-bombers-system-status strong,
.delta-bombers-system-status span { display: block; }
.delta-bombers-system-status strong {
  font-size: clamp(18px, 3vw, 28px);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.delta-bombers-system-status span {
  margin-top: 7px;
  color: rgba(224, 249, 255, 0.78);
  font-size: clamp(12px, 1.7vw, 15px);
}
.delta-bombers-system-status[data-state="error"] > div {
  border-color: rgba(255, 112, 94, 0.58);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.42), inset 0 0 36px rgba(255, 72, 54, 0.10);
}
@media (prefers-reduced-motion: reduce) {
  .delta-bombers-system-status,
  .delta-bombers-system-status.is-visible { transition: none; }
}

/* Southern African route HUD — Delta survey, Falls landmark and Batoka rapid objectives. */
.delta-bombers-route-hud > em {
  display: block;
  overflow: hidden;
  max-width: 100%;
  margin-top: 2px;
  padding-top: 4px;
  border-top: 1px solid color-mix(in srgb, var(--delta-bombers-biome-accent) 30%, transparent);
  color: rgba(245, 252, 248, .78);
  font: 750 5.5px/1.25 system-ui, sans-serif;
  letter-spacing: .055em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.delta-bombers-root[data-route-topology="delta-lagoon"] .delta-bombers-route-hud,
.delta-bombers-root[data-route-branching="true"] .delta-bombers-route-hud {
  background: linear-gradient(145deg, rgba(3, 47, 48, .80), rgba(2, 26, 35, .62));
}

@media (max-width: 760px) {
  .delta-bombers-route-hud > em {
    max-width: 160px;
    font-size: 4.7px;
  }
}

@media (max-height: 480px) and (orientation: landscape) {
  .delta-bombers-route-hud > em { display: none; }
}

/* --------------------------------------------------------------------------
   HUD Occlusion Cleanup 5.3.0
   Keep the central flight corridor clear: mission identity lives at the edge,
   route details collapse into the mission chip, and prompts are transient.
   -------------------------------------------------------------------------- */

.delta-bombers-root {
  --delta-bombers-biome-transition-duration: 1.10s;
}

.delta-bombers-landscape-hud {
  top: max(62px, calc(env(safe-area-inset-top) + 56px));
  right: max(14px, env(safe-area-inset-right));
  width: min(210px, 27vw);
  gap: 1px;
  padding: 6px 9px 7px;
  border-radius: 10px;
  background:
    linear-gradient(138deg, color-mix(in srgb, var(--delta-bombers-biome-accent-soft) 72%, transparent), rgba(4, 15, 24, 0.70) 56%),
    rgba(4, 15, 24, 0.62);
  box-shadow: 0 7px 20px rgba(0, 15, 24, 0.20), inset 0 1px rgba(255,255,255,.08);
  backdrop-filter: blur(7px);
}

.delta-bombers-root.is-playing .delta-bombers-landscape-hud {
  opacity: 0.84;
}

.delta-bombers-root.is-biome-transitioning .delta-bombers-landscape-hud {
  opacity: 0 !important;
  transform: translateY(-4px) scale(.985);
}

.delta-bombers-landscape-hud > span {
  font-size: 6.2px;
  letter-spacing: .12em;
}

.delta-bombers-landscape-hud > strong {
  font-size: 10.8px;
  line-height: 1.02;
}

.delta-bombers-landscape-hud > small {
  font-size: 5.4px;
}

.delta-bombers-landscape-hud > b {
  display: block;
  overflow: hidden;
  max-width: 100%;
  margin-top: 2px;
  padding-top: 3px;
  border-top: 1px solid color-mix(in srgb, var(--delta-bombers-biome-accent) 28%, transparent);
  color: rgba(239, 250, 251, .72);
  font: 800 5.5px/1.1 system-ui, sans-serif;
  letter-spacing: .075em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.delta-bombers-landscape-hud > i {
  height: 1px;
  margin-top: 2px;
  opacity: .72;
}

/* Route information is now a short change toast rather than a second persistent card. */
.delta-bombers-route-hud {
  top: max(116px, calc(env(safe-area-inset-top) + 110px));
  right: max(14px, env(safe-area-inset-right));
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 5px;
  width: auto;
  max-width: min(210px, 30vw);
  min-height: 20px;
  padding: 4px 7px;
  border-radius: 999px;
  background: rgba(3, 22, 30, .70);
  box-shadow: 0 6px 16px rgba(0, 14, 24, .18), inset 0 1px rgba(255,255,255,.07);
  transform: translateY(-3px) scale(.98);
  backdrop-filter: blur(6px);
}

.delta-bombers-route-hud.is-visible {
  opacity: .84;
  transform: translateY(0) scale(1);
}

.delta-bombers-root.is-biome-transitioning .delta-bombers-route-hud {
  opacity: 0 !important;
}

.delta-bombers-route-hud > span,
.delta-bombers-route-hud > em {
  display: none !important;
}

.delta-bombers-route-hud > strong {
  font-size: 7.2px;
  line-height: 1;
}

.delta-bombers-route-hud > small {
  display: inline;
  color: rgba(239,249,250,.58);
  font-size: 5.2px;
  line-height: 1;
}

/* Mission announcements occupy the same edge slot as the persistent mission chip. */
.delta-bombers-biome-transition {
  inset: auto;
  top: max(62px, calc(env(safe-area-inset-top) + 56px));
  right: max(14px, env(safe-area-inset-right));
  display: block;
  width: min(232px, 29vw);
  padding: 0;
  overflow: visible;
}

.delta-bombers-biome-transition::before {
  inset: -10px;
  border-radius: 18px;
  background: radial-gradient(ellipse at 74% 50%, var(--delta-bombers-biome-accent-soft), transparent 68%);
  mix-blend-mode: screen;
  opacity: .28;
  transform: none;
}

.delta-bombers-biome-transition-card {
  width: 100%;
  min-width: 0;
  justify-items: end;
  gap: 2px;
  padding: 7px 10px 8px;
  border: 1px solid color-mix(in srgb, var(--delta-bombers-biome-accent) 62%, rgba(255,255,255,.18));
  border-radius: 11px;
  background:
    linear-gradient(138deg, color-mix(in srgb, var(--delta-bombers-biome-accent-soft) 84%, transparent), rgba(3, 14, 22, .78) 58%),
    rgba(3, 14, 22, .70);
  box-shadow: 0 8px 24px rgba(0, 14, 24, .24), inset 0 1px rgba(255,255,255,.09);
  text-align: right;
  text-shadow: 0 2px 10px rgba(0,0,0,.38);
  backdrop-filter: blur(8px);
}

.delta-bombers-biome-transition-card > span {
  font-size: 6.4px;
  letter-spacing: .13em;
}

.delta-bombers-biome-transition-card > strong {
  max-width: 100%;
  overflow: hidden;
  font-size: clamp(15px, 1.75vw, 21px);
  line-height: 1.02;
  letter-spacing: -.025em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.delta-bombers-biome-transition-card > small {
  max-width: 100%;
  overflow: hidden;
  color: rgba(245,250,252,.70);
  font-size: 5.6px;
  letter-spacing: .10em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.delta-bombers-biome-transition.is-visible,
.delta-bombers-biome-transition.is-visible::before,
.delta-bombers-biome-transition.is-visible .delta-bombers-biome-transition-card {
  animation-duration: var(--delta-bombers-biome-transition-duration, 1.10s);
}

.delta-bombers-biome-transition.is-visible {
  animation-name: delta-bombers-biome-reveal-compact;
  animation-timing-function: cubic-bezier(.2,.72,.18,1);
  animation-fill-mode: both;
}

.delta-bombers-biome-transition.is-visible::before {
  animation-name: delta-bombers-biome-glow-compact;
  animation-timing-function: ease-out;
  animation-fill-mode: both;
}

.delta-bombers-biome-transition.is-visible .delta-bombers-biome-transition-card {
  animation-name: delta-bombers-biome-card-compact;
  animation-timing-function: cubic-bezier(.18,.72,.24,1);
  animation-fill-mode: both;
}

@keyframes delta-bombers-biome-reveal-compact {
  0% { opacity: 0; }
  12% { opacity: 1; }
  58% { opacity: 1; }
  100% { opacity: 0; }
}

@keyframes delta-bombers-biome-glow-compact {
  0% { opacity: 0; transform: scale(.94); }
  25% { opacity: .30; }
  100% { opacity: 0; transform: scale(1.05); }
}

@keyframes delta-bombers-biome-card-compact {
  0% { opacity: 0; transform: translateX(9px) scale(.98); filter: blur(2px); }
  14% { opacity: 1; transform: translateX(0) scale(1); filter: blur(0); }
  58% { opacity: 1; transform: translateX(0) scale(1); filter: blur(0); }
  100% { opacity: 0; transform: translateX(5px) scale(.99); filter: blur(1px); }
}

/* Keep combat state quiet while the sub-second mission identity toast is present. */
.delta-bombers-root.is-biome-transitioning .delta-bombers-combat-status {
  opacity: 0;
}

.delta-bombers-combat-status {
  top: max(55px, calc(env(safe-area-inset-top) + 49px));
  gap: 5px;
  width: min(238px, 38vw);
  min-height: 19px;
}

.delta-bombers-lock-status,
.delta-bombers-missile-warning {
  min-height: 19px;
  padding: 3px 7px;
  font-size: 8px;
  letter-spacing: .11em;
}

@media (max-width: 900px), (max-height: 720px) and (orientation: landscape) {
  .delta-bombers-landscape-hud,
  .delta-bombers-biome-transition {
    top: max(54px, calc(env(safe-area-inset-top) + 48px));
    right: max(9px, env(safe-area-inset-right));
    width: min(188px, 29vw);
  }

  .delta-bombers-landscape-hud {
    padding: 5px 7px 6px;
    border-radius: 9px;
  }

  .delta-bombers-landscape-hud > span { font-size: 5.4px; }
  .delta-bombers-landscape-hud > strong { font-size: 9.2px; }
  .delta-bombers-landscape-hud > small { display: none; }
  .delta-bombers-landscape-hud > b { font-size: 5px; }

  .delta-bombers-biome-transition-card {
    padding: 6px 8px 7px;
    border-radius: 9px;
  }
  .delta-bombers-biome-transition-card > span { font-size: 5.4px; }
  .delta-bombers-biome-transition-card > strong { font-size: clamp(13px, 2.1vw, 17px); }
  .delta-bombers-biome-transition-card > small { font-size: 5px; }

  .delta-bombers-route-hud {
    top: max(98px, calc(env(safe-area-inset-top) + 92px));
    right: max(9px, env(safe-area-inset-right));
    max-width: min(185px, 31vw);
    min-height: 18px;
    padding: 3px 6px;
  }
  .delta-bombers-route-hud > strong { font-size: 6.6px; }
  .delta-bombers-route-hud > small { font-size: 4.7px; }

  .delta-bombers-combat-status {
    top: max(50px, calc(env(safe-area-inset-top) + 44px));
    width: min(210px, 36vw);
  }
}

@media (max-height: 480px) and (orientation: landscape) {
  .delta-bombers-landscape-hud,
  .delta-bombers-biome-transition {
    top: max(43px, calc(env(safe-area-inset-top) + 37px));
    width: min(174px, 28vw);
  }
  .delta-bombers-route-hud {
    top: max(84px, calc(env(safe-area-inset-top) + 78px));
  }
  .delta-bombers-combat-status {
    top: max(42px, calc(env(safe-area-inset-top) + 36px));
  }
}

@media (prefers-reduced-motion: reduce) {
  .delta-bombers-biome-transition.is-visible,
  .delta-bombers-biome-transition.is-visible::before,
  .delta-bombers-biome-transition.is-visible .delta-bombers-biome-transition-card {
    animation: none !important;
  }
  .delta-bombers-biome-transition.is-visible { opacity: .92; }
  .delta-bombers-biome-transition.is-visible::before { opacity: .20; }
  .delta-bombers-biome-transition.is-visible .delta-bombers-biome-transition-card { opacity: 1; }
}

/* Final compact-height tuning: keep mission names readable without returning to a large panel. */
@media (max-width: 900px), (max-height: 720px) and (orientation: landscape) {
  .delta-bombers-landscape-hud,
  .delta-bombers-biome-transition {
    width: min(222px, 32vw);
  }
  .delta-bombers-landscape-hud > strong { font-size: 10.1px; }
  .delta-bombers-biome-transition-card > strong { font-size: clamp(14px, 2vw, 16px); }
}

/* Threat labels stay at the edge instead of clustering beneath the central timer. */
.delta-bombers-combat-status {
  top: max(119px, calc(env(safe-area-inset-top) + 113px));
  left: max(16px, env(safe-area-inset-left));
  right: auto;
  justify-content: flex-start;
  flex-wrap: wrap;
  width: auto;
  max-width: min(310px, 42vw);
  transform: none;
}

@media (max-width: 900px), (max-height: 720px) and (orientation: landscape) {
  .delta-bombers-combat-status {
    top: max(108px, calc(env(safe-area-inset-top) + 102px));
    left: max(9px, env(safe-area-inset-left));
    max-width: min(250px, 38vw);
  }
}

@media (max-height: 480px) and (orientation: landscape) {
  .delta-bombers-landscape-hud,
  .delta-bombers-biome-transition { width: min(202px, 31vw); }
  .delta-bombers-combat-status {
    top: max(87px, calc(env(safe-area-inset-top) + 81px));
    max-width: min(230px, 37vw);
  }
}

/* Maintain separation from the heart/fullscreen cluster on short landscape screens. */
@media (max-width: 900px), (max-height: 720px) and (orientation: landscape) {
  .delta-bombers-landscape-hud,
  .delta-bombers-biome-transition {
    top: max(62px, calc(env(safe-area-inset-top) + 56px));
  }
  .delta-bombers-route-hud {
    top: max(113px, calc(env(safe-area-inset-top) + 107px));
  }
}

@media (max-height: 480px) and (orientation: landscape) {
  .delta-bombers-landscape-hud,
  .delta-bombers-biome-transition {
    top: max(60px, calc(env(safe-area-inset-top) + 54px));
  }
  .delta-bombers-route-hud {
    top: max(109px, calc(env(safe-area-inset-top) + 103px));
  }
}


/* --------------------------------------------------------------------------
   5.7.0 Pass 4 — retained aircraft controls with biome-aware presentation
   -------------------------------------------------------------------------- */
.delta-bombers-landscape-picker {
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  max-width: 860px;
}

.delta-bombers-menu-selectors {
  grid-template-columns: minmax(220px, 1.45fr) minmax(150px, .82fr) minmax(160px, .94fr);
  gap: 8px;
}

.delta-bombers-landscape-control,
.delta-bombers-craft-control,
.delta-bombers-quality-control {
  min-height: 72px;
}

.delta-bombers-craft-control {
  display: grid;
  align-content: center;
  gap: 6px;
  min-width: 0;
  padding: 11px 12px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 17px;
  background: linear-gradient(155deg, rgba(255,255,255,.09), rgba(255,255,255,.025));
  box-shadow: inset 0 1px rgba(255,255,255,.08);
}

.delta-bombers-craft-control > span {
  color: rgba(235,249,252,.72);
  font-size: 10px;
  font-weight: 950;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.delta-bombers-craft-control select {
  width: 100%;
  min-height: 39px;
  padding: 8px 30px 8px 10px;
  border: 1px solid rgba(255,132,136,.48);
  border-radius: 11px;
  color: #fff;
  background: rgba(5,20,32,.86);
  font: 850 12px/1.2 inherit;
  color-scheme: dark;
}

.delta-bombers-craft-control small {
  display: block;
  overflow: hidden;
  color: rgba(226,241,246,.61);
  font: 650 8px/1.25 system-ui, sans-serif;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.delta-bombers-craft-control select:focus-visible {
  outline: 2px solid rgba(255,111,118,.24);
  outline-offset: 2px;
  border-color: rgba(255,173,177,.94);
}

.delta-bombers-landscape-preview {
  min-height: 68px;
}

@media (max-width: 760px) {
  .delta-bombers-landscape-picker {
    grid-template-columns: 1fr;
  }
  .delta-bombers-menu-selectors {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 7px;
  }
  .delta-bombers-landscape-control {
    grid-column: 1 / -1;
  }
  .delta-bombers-craft-control,
  .delta-bombers-quality-control {
    min-height: 64px;
    border-radius: 14px;
    padding: 8px 10px;
  }
  .delta-bombers-craft-control small,
  .delta-bombers-quality-control small {
    display: none;
  }
}

@media (max-width: 430px) and (orientation: portrait) {
  .delta-bombers-menu-selectors {
    grid-template-columns: 1fr 1fr;
  }
  .delta-bombers-craft-control select,
  .delta-bombers-quality-control select {
    min-height: 35px;
    padding-block: 6px;
    font-size: 10px;
  }
}

@media (max-height: 520px) and (orientation: landscape) {
  .delta-bombers-landscape-picker {
    grid-template-columns: minmax(0, 1.45fr) minmax(220px, .75fr);
    gap: 6px;
  }
  .delta-bombers-menu-selectors {
    grid-template-columns: minmax(170px, 1.35fr) minmax(120px, .82fr) minmax(125px, .88fr);
    gap: 6px;
  }
  .delta-bombers-landscape-control {
    grid-column: auto;
  }
  .delta-bombers-landscape-control,
  .delta-bombers-craft-control,
  .delta-bombers-quality-control {
    min-height: 55px;
    padding: 6px 8px;
    border-radius: 11px;
  }
  .delta-bombers-craft-control,
  .delta-bombers-quality-control {
    gap: 3px;
  }
  .delta-bombers-craft-control select,
  .delta-bombers-quality-control select {
    min-height: 31px;
    padding-block: 5px;
    font-size: 10px;
  }
  .delta-bombers-craft-control small,
  .delta-bombers-quality-control small {
    display: none;
  }
  .delta-bombers-landscape-preview {
    min-height: 55px;
  }
}


/* Pass 5: committed threats remain compact but gain an unmistakable high-energy edge. */
.delta-bombers-missile-warning.is-dodge {
  box-shadow: 0 0 0 1px rgba(255,246,209,.30), 0 0 22px rgba(255,48,52,.58), inset 0 0 14px rgba(255,90,38,.20);
  text-shadow: 0 1px 0 rgba(0,0,0,.72), 0 0 10px rgba(255,226,126,.62);
}
.delta-bombers-root[data-combat-fx="v3"] .delta-bombers-missile-warning.is-visible::before,
.delta-bombers-root[data-combat-fx="v3"] .delta-bombers-missile-warning.is-visible::after {
  filter: drop-shadow(0 0 5px rgba(255,94,48,.82));
}


/* Pass 10 adaptive-performance diagnostics remain compact and never occupy the
   central flight corridor. The attributes are also available to automated QA. */
.delta-bombers-root[data-quality-mode="auto"] .delta-bombers-performance-hud {
  min-width: 0;
  max-width: min(42vw, 16rem);
  white-space: nowrap;
}

/* Honour both the system preference and the plugin's managed reduced-motion
   switch without removing gameplay-critical missile, damage or gate cues. */
@media (prefers-reduced-motion: reduce) {
  .delta-bombers-root .delta-bombers-biome-transition,
  .delta-bombers-root .delta-bombers-route-hud,
  .delta-bombers-root .delta-bombers-system-status,
  .delta-bombers-root .delta-bombers-overlay-panel {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}
.delta-bombers-root.is-reduced-motion .delta-bombers-biome-transition,
.delta-bombers-root.is-reduced-motion .delta-bombers-route-hud,
.delta-bombers-root.is-reduced-motion .delta-bombers-system-status,
.delta-bombers-root.is-reduced-motion .delta-bombers-overlay-panel {
  animation-duration: 0.001ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.001ms !important;
}


/* --------------------------------------------------------------------------
   6.4.0 Pass 11 — landscape setup fit and touch-safe menu scrolling
   -------------------------------------------------------------------------- */
.delta-bombers-root:not(.is-playing),
.delta-bombers-root:not(.is-playing) .delta-bombers-shell,
.delta-bombers-root:not(.is-playing) .delta-bombers-overlay,
.delta-bombers-root:not(.is-playing) .delta-bombers-menu-card {
  touch-action: pan-y;
}

.delta-bombers-root:not(.is-playing) .delta-bombers-overlay,
.delta-bombers-root:not(.is-playing) .delta-bombers-menu-card {
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

@media (orientation: landscape) and (max-height: 760px) {
  .delta-bombers-overlay {
    align-items: center;
    padding:
      max(6px, env(safe-area-inset-top))
      max(8px, env(safe-area-inset-right))
      max(6px, env(safe-area-inset-bottom))
      max(8px, env(safe-area-inset-left));
  }

  .delta-bombers-difficulty-menu {
    display: grid;
    grid-template-columns: minmax(0, 1.18fr) minmax(245px, .82fr);
    grid-template-areas:
      "kicker difficulty-heading"
      "title difficulty-grid"
      "picker difficulty-grid"
      "actions actions";
    align-items: start;
    column-gap: 12px;
    row-gap: 5px;
    width: min(1120px, calc(100vw - 16px));
    max-width: 1120px;
    max-height: calc(var(--delta-bombers-visual-vh, 100dvh) - 12px);
    padding: clamp(9px, 1.7vh, 14px) clamp(12px, 2vw, 24px);
    border-radius: 16px;
    overflow: auto;
  }

  .delta-bombers-difficulty-menu > .delta-bombers-kicker {
    grid-area: kicker;
    align-self: end;
    margin: 0 !important;
    font-size: 8px !important;
    line-height: 1.1;
  }

  .delta-bombers-difficulty-menu > h1 {
    grid-area: title;
    margin: 0;
    font-size: clamp(27px, 7.2vh, 43px);
    line-height: .95;
  }

  .delta-bombers-difficulty-menu > .delta-bombers-menu-intro,
  .delta-bombers-difficulty-menu > .delta-bombers-control-copy,
  .delta-bombers-difficulty-menu > .delta-bombers-build-badge {
    display: none;
  }

  .delta-bombers-difficulty-menu > .delta-bombers-landscape-picker {
    grid-area: picker;
    grid-template-columns: minmax(0, 1fr);
    gap: 5px;
    width: 100%;
    max-width: none;
    margin: 0;
  }

  .delta-bombers-difficulty-menu .delta-bombers-menu-selectors {
    grid-template-columns: minmax(150px, 1.3fr) minmax(108px, .78fr) minmax(118px, .86fr);
    gap: 5px;
  }

  .delta-bombers-difficulty-menu .delta-bombers-landscape-control,
  .delta-bombers-difficulty-menu .delta-bombers-quality-control,
  .delta-bombers-difficulty-menu .delta-bombers-craft-control {
    min-height: 49px;
    gap: 3px;
    padding: 5px 7px;
    border-radius: 10px;
  }

  .delta-bombers-difficulty-menu .delta-bombers-landscape-control > span,
  .delta-bombers-difficulty-menu .delta-bombers-quality-control > span,
  .delta-bombers-difficulty-menu .delta-bombers-craft-control > span {
    font-size: 7px;
    line-height: 1;
  }

  .delta-bombers-difficulty-menu .delta-bombers-landscape-control select,
  .delta-bombers-difficulty-menu .delta-bombers-quality-control select,
  .delta-bombers-difficulty-menu .delta-bombers-craft-control select {
    min-height: 29px;
    padding: 4px 24px 4px 7px;
    border-radius: 8px;
    font-size: 10px;
  }

  .delta-bombers-difficulty-menu .delta-bombers-quality-control small,
  .delta-bombers-difficulty-menu .delta-bombers-craft-control small {
    display: none;
  }

  .delta-bombers-difficulty-menu .delta-bombers-landscape-preview {
    grid-template-columns: 48px minmax(0, 1fr);
    min-height: 47px;
    gap: 7px;
    padding: 5px 7px;
    border-radius: 10px;
  }

  .delta-bombers-difficulty-menu .delta-bombers-landscape-preview > i {
    width: 48px;
    height: 34px;
    border-radius: 8px;
  }

  .delta-bombers-difficulty-menu .delta-bombers-landscape-preview > span { gap: 1px; }
  .delta-bombers-difficulty-menu .delta-bombers-landscape-preview strong { font-size: 12px; }
  .delta-bombers-difficulty-menu .delta-bombers-landscape-preview small { font-size: 6.5px; }
  .delta-bombers-difficulty-menu .delta-bombers-landscape-preview em { display: none; }
  .delta-bombers-difficulty-menu .delta-bombers-topology-badge { font-size: 6px; }

  .delta-bombers-difficulty-menu > .delta-bombers-difficulty-heading {
    grid-area: difficulty-heading;
    align-self: end;
    min-height: 14px;
    margin: 0;
    padding: 0 2px;
  }

  .delta-bombers-difficulty-menu > .delta-bombers-difficulty-heading strong,
  .delta-bombers-difficulty-menu > .delta-bombers-difficulty-heading span {
    font-size: 8px;
    line-height: 1.1;
  }

  .delta-bombers-difficulty-menu > .delta-bombers-difficulty-grid {
    grid-area: difficulty-grid;
    grid-template-columns: minmax(0, 1fr);
    align-content: stretch;
    gap: 5px;
    margin: 0;
  }

  .delta-bombers-difficulty-menu .delta-bombers-difficulty-option {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    grid-template-areas:
      "name strap multiplier"
      "description description description";
    align-content: center;
    min-height: 0;
    gap: 2px 6px;
    padding: 6px 8px;
    border-radius: 10px;
    text-align: left;
  }

  .delta-bombers-difficulty-menu .delta-bombers-difficulty-name {
    grid-area: name;
    font-size: 15px;
    line-height: 1;
  }
  .delta-bombers-difficulty-menu .delta-bombers-difficulty-strap {
    grid-area: strap;
    align-self: center;
    overflow: hidden;
    font-size: 7px;
    line-height: 1;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .delta-bombers-difficulty-menu .delta-bombers-difficulty-description {
    grid-area: description;
    display: -webkit-box;
    overflow: hidden;
    font-size: 8px;
    line-height: 1.15;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }
  .delta-bombers-difficulty-menu .delta-bombers-difficulty-multiplier {
    grid-area: multiplier;
    align-self: center;
    font-size: 7px;
    line-height: 1;
    white-space: nowrap;
  }

  .delta-bombers-difficulty-menu > .delta-bombers-menu-actions {
    grid-area: actions;
    display: grid;
    grid-template-columns: minmax(220px, 1.6fr) minmax(92px, .42fr) minmax(92px, .42fr);
    gap: 6px;
    width: 100%;
    margin: 1px 0 0;
  }

  .delta-bombers-difficulty-menu > .delta-bombers-menu-actions .delta-bombers-button {
    width: 100%;
    min-width: 0;
    min-height: 35px;
    padding: 6px 10px;
    border-radius: 10px;
    font-size: 11px;
    line-height: 1.1;
  }
}

@media (orientation: landscape) and (max-height: 430px) {
  .delta-bombers-difficulty-menu {
    grid-template-columns: minmax(0, 1.16fr) minmax(220px, .84fr);
    column-gap: 9px;
    row-gap: 4px;
    padding: 8px 10px;
  }
  .delta-bombers-difficulty-menu .delta-bombers-landscape-preview { min-height: 42px; }
  .delta-bombers-difficulty-menu .delta-bombers-landscape-preview > i { width: 42px; height: 30px; }
  .delta-bombers-difficulty-menu .delta-bombers-difficulty-option { padding: 5px 7px; }
  .delta-bombers-difficulty-menu .delta-bombers-difficulty-description { -webkit-line-clamp: 1; }
}

@media (orientation: landscape) and (max-width: 720px) {
  .delta-bombers-difficulty-menu {
    grid-template-columns: minmax(0, 1.08fr) minmax(195px, .92fr);
    column-gap: 7px;
  }
  .delta-bombers-difficulty-menu .delta-bombers-menu-selectors {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .delta-bombers-difficulty-menu .delta-bombers-landscape-control { grid-column: 1 / -1; }
  .delta-bombers-difficulty-menu .delta-bombers-landscape-preview { display: none; }
  .delta-bombers-difficulty-menu .delta-bombers-difficulty-description { display: none; }
  .delta-bombers-difficulty-menu .delta-bombers-difficulty-option {
    grid-template-areas: "name strap multiplier";
    min-height: 34px;
  }
  .delta-bombers-difficulty-menu > .delta-bombers-menu-actions {
    grid-template-columns: minmax(0, 1.55fr) minmax(72px, .55fr) minmax(72px, .55fr);
  }
}

@media (orientation: landscape) and (max-width: 590px),
       (orientation: landscape) and (max-height: 350px) {
  .delta-bombers-difficulty-menu > .delta-bombers-kicker { display: none; }
  .delta-bombers-difficulty-menu {
    grid-template-areas:
      "title difficulty-heading"
      "picker difficulty-grid"
      "actions actions";
  }
  .delta-bombers-difficulty-menu > h1 { font-size: 24px; }
  .delta-bombers-difficulty-menu .delta-bombers-landscape-control,
  .delta-bombers-difficulty-menu .delta-bombers-quality-control,
  .delta-bombers-difficulty-menu .delta-bombers-craft-control { min-height: 42px; }
  .delta-bombers-difficulty-menu > .delta-bombers-menu-actions .delta-bombers-button {
    min-height: 32px;
    padding: 5px 7px;
    font-size: 9px;
  }
}

/* --------------------------------------------------------------------------
   6.5.0 Pass 12 — unified responsive device adaptation
   Phones, foldables, tablets, laptops, desktops and ultrawide displays share
   one attribute-driven layout system. Portrait remains fully playable; a small
   advisory toast replaces the old blocking rotate screen.
   -------------------------------------------------------------------------- */

.delta-bombers-root {
  --delta-bombers-ui-scale: 1;
  --delta-bombers-menu-scale: 1;
  --delta-bombers-hud-scale: 1;
  --delta-bombers-touch-target: 44px;
  --delta-bombers-responsive-vw: 100vw;
  --delta-bombers-responsive-vh: 100dvh;
  min-height: 100svh;
  min-height: 100dvh;
}

.delta-bombers-root .delta-bombers-overlay {
  align-items: center;
  justify-items: center;
  padding:
    max(8px, env(safe-area-inset-top))
    max(8px, env(safe-area-inset-right))
    max(8px, env(safe-area-inset-bottom))
    max(8px, env(safe-area-inset-left));
  scrollbar-gutter: stable both-edges;
}

.delta-bombers-root .delta-bombers-menu-card {
  width: min(1120px, calc(var(--delta-bombers-responsive-vw, 100vw) - 16px));
  max-width: 1120px;
  max-height: calc(var(--delta-bombers-responsive-vh, 100dvh) - max(16px, env(safe-area-inset-top) + env(safe-area-inset-bottom)));
  overflow: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
}

.delta-bombers-root .delta-bombers-menu-card,
.delta-bombers-root .delta-bombers-difficulty-option,
.delta-bombers-root .delta-bombers-button,
.delta-bombers-root .delta-bombers-landscape-control,
.delta-bombers-root .delta-bombers-quality-control,
.delta-bombers-root .delta-bombers-craft-control,
.delta-bombers-root .delta-bombers-landscape-preview {
  box-sizing: border-box;
}

.delta-bombers-root[data-input-mode="touch"] .delta-bombers-button,
.delta-bombers-root[data-input-mode="hybrid"] .delta-bombers-button,
.delta-bombers-root[data-input-mode="touch"] .delta-bombers-hud-button,
.delta-bombers-root[data-input-mode="hybrid"] .delta-bombers-hud-button,
.delta-bombers-root[data-input-mode="touch"] .delta-bombers-difficulty-option,
.delta-bombers-root[data-input-mode="hybrid"] .delta-bombers-difficulty-option,
.delta-bombers-root[data-input-mode="touch"] select,
.delta-bombers-root[data-input-mode="hybrid"] select {
  min-height: var(--delta-bombers-touch-target, 48px);
}

/* A consistent two-column setup layout for laptop, desktop and tablet
   landscape viewports. This replaces the old collection of height-only rules
   that missed common 768px and 1080px screens. */
@media (orientation: landscape) and (min-width: 721px) {
  .delta-bombers-root .delta-bombers-difficulty-menu {
    display: grid;
    grid-template-columns: minmax(0, 1.18fr) minmax(270px, .82fr);
    grid-template-areas:
      "kicker difficulty-heading"
      "title difficulty-grid"
      "intro difficulty-grid"
      "picker difficulty-grid"
      "actions actions"
      "control control"
      "build build";
    align-items: start;
    column-gap: clamp(12px, 2vw, 26px);
    row-gap: clamp(5px, 1vh, 10px);
    padding: clamp(14px, 2.3vh, 26px) clamp(18px, 3vw, 38px);
    border-radius: clamp(18px, 2.2vw, 26px);
  }

  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-kicker { grid-area: kicker; align-self: end; margin: 0 !important; }
  .delta-bombers-root .delta-bombers-difficulty-menu > h1 { grid-area: title; margin: 0; font-size: clamp(38px, 5.5vw, 64px); }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-menu-intro { grid-area: intro; margin: 0; max-width: 66ch; text-align: left; }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-landscape-picker { grid-area: picker; width: 100%; max-width: none; margin: 0; }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-difficulty-heading { grid-area: difficulty-heading; align-self: end; width: 100%; margin: 0; }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-difficulty-grid { grid-area: difficulty-grid; grid-template-columns: 1fr; align-content: stretch; width: 100%; margin: 0; }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-menu-actions { grid-area: actions; width: 100%; margin: 2px 0 0; }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-control-copy { grid-area: control; margin: 0 !important; padding-top: 10px; }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-build-badge { grid-area: build; margin: 0 auto !important; }

  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-difficulty-option {
    grid-template-columns: auto minmax(0, 1fr) auto;
    grid-template-areas:
      "name strap multiplier"
      "description description description";
    align-content: center;
    min-height: clamp(78px, 10.5vh, 118px);
    gap: 4px 9px;
    padding: clamp(10px, 1.6vh, 15px);
  }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-difficulty-name { grid-area: name; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-difficulty-strap { grid-area: strap; align-self: center; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-difficulty-description { grid-area: description; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-difficulty-multiplier { grid-area: multiplier; align-self: center; white-space: nowrap; }
}

/* Medium-height landscape screens: keep every chooser and launch control in the
   initial viewport while retaining normal-sized interaction targets. */
@media (orientation: landscape) and (min-width: 721px) and (max-height: 920px) {
  .delta-bombers-root .delta-bombers-overlay {
    padding:
      max(6px, env(safe-area-inset-top))
      max(8px, env(safe-area-inset-right))
      max(6px, env(safe-area-inset-bottom))
      max(8px, env(safe-area-inset-left));
  }
  .delta-bombers-root .delta-bombers-difficulty-menu {
    grid-template-areas:
      "kicker difficulty-heading"
      "title difficulty-grid"
      "picker difficulty-grid"
      "actions actions";
    width: min(1120px, calc(100vw - 16px));
    padding: clamp(10px, 1.7vh, 16px) clamp(14px, 2.4vw, 28px);
    row-gap: 5px;
  }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-menu-intro,
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-control-copy,
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-build-badge { display: none; }
  .delta-bombers-root .delta-bombers-difficulty-menu > h1 { font-size: clamp(31px, 6.2vh, 50px); }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-landscape-picker { grid-template-columns: minmax(0, 1fr); gap: 6px; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-menu-selectors { grid-template-columns: minmax(160px, 1.3fr) minmax(120px, .8fr) minmax(130px, .9fr); gap: 6px; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-landscape-control,
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-quality-control,
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-craft-control { min-height: 52px; padding: 6px 8px; border-radius: 11px; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-landscape-control select,
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-quality-control select,
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-craft-control select { min-height: 34px; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-quality-control small,
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-craft-control small { display: none; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-landscape-preview { min-height: 52px; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-landscape-preview > i { width: 52px; height: 38px; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-landscape-preview em { display: none; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-difficulty-option { min-height: clamp(62px, 9.8vh, 86px); padding: 8px 10px; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-difficulty-description { display: -webkit-box; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 2; font-size: 9px; }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-menu-actions { display: grid; grid-template-columns: minmax(260px, 1.7fr) minmax(110px, .48fr) minmax(110px, .48fr); gap: 7px; }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-menu-actions .delta-bombers-button { width: 100%; min-width: 0; min-height: 42px; }
}

/* Portrait phones use a deliberately compact, single-column launch panel. The
   explanatory paragraphs and decorative preview are hidden—not clipped—so the
   actionable controls fit within the device viewport. */
@media (orientation: portrait) and (max-width: 599px) {
  .delta-bombers-root .delta-bombers-overlay {
    align-items: start;
    padding:
      max(6px, env(safe-area-inset-top))
      max(6px, env(safe-area-inset-right))
      max(6px, env(safe-area-inset-bottom))
      max(6px, env(safe-area-inset-left));
  }
  .delta-bombers-root .delta-bombers-difficulty-menu {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-areas:
      "kicker"
      "title"
      "picker"
      "difficulty-heading"
      "difficulty-grid"
      "actions";
    gap: 5px;
    width: min(100%, 520px);
    padding: 10px;
    border-radius: 16px;
    text-align: left;
  }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-kicker { grid-area: kicker; margin: 0 !important; font-size: 8px !important; }
  .delta-bombers-root .delta-bombers-difficulty-menu > h1 { grid-area: title; margin: 0; font-size: clamp(30px, 10vw, 42px); text-align: left; }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-menu-intro,
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-control-copy,
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-build-badge,
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-landscape-preview { display: none; }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-landscape-picker { grid-area: picker; display: block; width: 100%; max-width: none; margin: 0; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-menu-selectors { grid-template-columns: 1fr; gap: 4px; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-landscape-control,
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-quality-control,
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-craft-control {
    grid-template-columns: minmax(76px, .34fr) minmax(0, 1fr);
    align-items: center;
    align-content: center;
    gap: 7px;
    min-height: 46px;
    padding: 4px 6px;
    border-radius: 10px;
  }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-landscape-control > span,
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-quality-control > span,
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-craft-control > span { font-size: 7px; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-landscape-control select,
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-quality-control select,
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-craft-control select { min-height: 38px; padding: 5px 28px 5px 8px; font-size: 10px; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-quality-control small,
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-craft-control small { display: none; }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-difficulty-heading { grid-area: difficulty-heading; min-height: 18px; margin: 2px 0 0; padding: 0 2px; }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-difficulty-heading strong,
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-difficulty-heading span { font-size: 8px; }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-difficulty-grid { grid-area: difficulty-grid; grid-template-columns: 1fr; gap: 4px; margin: 0; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-difficulty-option {
    grid-template-columns: auto minmax(0, 1fr) auto;
    grid-template-areas: "name strap multiplier";
    align-items: center;
    min-height: 48px;
    gap: 5px;
    padding: 5px 7px;
    border-radius: 10px;
  }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-difficulty-name { grid-area: name; font-size: 15px; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-difficulty-strap { grid-area: strap; overflow: hidden; font-size: 7px; text-overflow: ellipsis; white-space: nowrap; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-difficulty-description { display: none; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-difficulty-multiplier { grid-area: multiplier; margin: 0; font-size: 7px; white-space: nowrap; }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-menu-actions {
    grid-area: actions;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5px;
    width: 100%;
    margin: 1px 0 0;
  }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-menu-actions .delta-bombers-button { width: 100%; min-width: 0; min-height: 42px; padding: 7px 9px; border-radius: 11px; font-size: 11px; }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-menu-actions .delta-bombers-primary { grid-column: 1 / -1; }
}

/* Portrait tablets and foldables retain more visual context while still
   keeping the card fully bounded and touch-friendly. */
@media (orientation: portrait) and (min-width: 600px) {
  .delta-bombers-root .delta-bombers-overlay { align-items: center; }
  .delta-bombers-root .delta-bombers-difficulty-menu {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-areas:
      "kicker"
      "title"
      "picker"
      "difficulty-heading"
      "difficulty-grid"
      "actions";
    gap: 9px;
    width: min(760px, calc(100vw - 24px));
    padding: clamp(16px, 2.5vw, 26px);
  }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-kicker { grid-area: kicker; margin: 0 !important; }
  .delta-bombers-root .delta-bombers-difficulty-menu > h1 { grid-area: title; margin: 0; font-size: clamp(42px, 8vw, 60px); }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-menu-intro,
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-control-copy,
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-build-badge { display: none; }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-landscape-picker { grid-area: picker; grid-template-columns: minmax(0, 1.2fr) minmax(210px, .8fr); width: 100%; max-width: none; margin: 0; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-menu-selectors { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-landscape-control,
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-quality-control,
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-craft-control { min-height: 66px; padding: 8px 9px; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-quality-control small,
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-craft-control small { display: none; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-landscape-preview { min-height: 66px; }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-difficulty-heading { grid-area: difficulty-heading; margin: 2px 0 0; }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-difficulty-grid { grid-area: difficulty-grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; margin: 0; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-difficulty-option { min-height: 108px; padding: 11px; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-difficulty-description { display: -webkit-box; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-menu-actions { grid-area: actions; display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(120px, .5fr) minmax(120px, .5fr); gap: 8px; margin: 0; }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-menu-actions .delta-bombers-button { width: 100%; min-width: 0; }
}

/* Very short landscape phones keep true touch targets and sacrifice only
   secondary copy. */
@media (orientation: landscape) and (max-width: 720px) {
  .delta-bombers-root .delta-bombers-difficulty-menu {
    max-height: calc(var(--delta-bombers-responsive-vh, 100dvh) - 8px);
    padding: 7px 9px;
  }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-landscape-control,
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-quality-control,
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-craft-control { min-height: 42px; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-landscape-control select,
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-quality-control select,
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-craft-control select { min-height: 32px; }
  .delta-bombers-root .delta-bombers-difficulty-menu .delta-bombers-difficulty-option { min-height: 40px; }
  .delta-bombers-root .delta-bombers-difficulty-menu > .delta-bombers-menu-actions .delta-bombers-button { min-height: 38px; }
}

/* Responsive in-game HUD and controls. */
.delta-bombers-root .delta-bombers-hud {
  transform-origin: top center;
}

.delta-bombers-root .delta-bombers-hud-button {
  width: var(--delta-bombers-touch-target, 44px);
  height: var(--delta-bombers-touch-target, 44px);
  min-width: var(--delta-bombers-touch-target, 44px);
  min-height: var(--delta-bombers-touch-target, 44px);
}

.delta-bombers-root[data-input-mode="touch"] .delta-bombers-fire-button,
.delta-bombers-root[data-input-mode="hybrid"] .delta-bombers-fire-button {
  width: clamp(68px, calc(var(--delta-bombers-touch-target, 48px) * 1.72), 88px);
  height: clamp(68px, calc(var(--delta-bombers-touch-target, 48px) * 1.72), 88px);
}

.delta-bombers-root[data-input-mode="pointer"] .delta-bombers-fire-button {
  width: clamp(64px, 7.2vmin, 82px);
  height: clamp(64px, 7.2vmin, 82px);
}

.delta-bombers-root[data-aspect-class="ultrawide"] .delta-bombers-hud {
  left: max(calc((100vw - 1920px) / 2 + 14px), env(safe-area-inset-left));
  right: max(calc((100vw - 1920px) / 2 + 14px), env(safe-area-inset-right));
}
.delta-bombers-root[data-aspect-class="ultrawide"] .delta-bombers-fire-button {
  right: max(calc((100vw - 1920px) / 2 + 18px), env(safe-area-inset-right));
}

.delta-bombers-root[data-orientation="portrait"] .delta-bombers-hud {
  grid-template-columns: var(--delta-bombers-touch-target, 44px) minmax(46px, 1fr) auto var(--delta-bombers-touch-target, 44px);
  inset:
    max(7px, env(safe-area-inset-top))
    max(7px, env(safe-area-inset-right))
    auto
    max(7px, env(safe-area-inset-left));
  gap: 5px;
}
.delta-bombers-root[data-orientation="portrait"] .delta-bombers-timer { min-width: 46px; padding: 2px 5px; font-size: clamp(30px, 11vw, 48px); }
.delta-bombers-root[data-orientation="portrait"] .delta-bombers-hearts { min-height: var(--delta-bombers-touch-target, 44px); padding: 4px 8px; font-size: clamp(17px, 6vw, 25px); }
.delta-bombers-root[data-orientation="portrait"] .delta-bombers-combat-status { top: max(60px, calc(env(safe-area-inset-top) + 54px)); width: min(92vw, 330px); }
.delta-bombers-root[data-orientation="portrait"] .delta-bombers-difficulty-hud { top: max(64px, calc(env(safe-area-inset-top) + 58px)); left: max(8px, env(safe-area-inset-left)); }
.delta-bombers-root[data-orientation="portrait"] .delta-bombers-performance-hud { top: max(91px, calc(env(safe-area-inset-top) + 85px)); left: max(8px, env(safe-area-inset-left)); max-width: 42vw; overflow: hidden; text-overflow: ellipsis; }
.delta-bombers-root[data-orientation="portrait"] .delta-bombers-landscape-hud {
  top: max(64px, calc(env(safe-area-inset-top) + 58px));
  right: max(8px, env(safe-area-inset-right));
  width: min(46vw, 190px);
  padding: 5px 7px;
}
.delta-bombers-root[data-orientation="portrait"] .delta-bombers-route-hud {
  top: max(111px, calc(env(safe-area-inset-top) + 105px));
  right: max(8px, env(safe-area-inset-right));
  width: min(46vw, 180px);
  padding: 4px 7px;
}
.delta-bombers-root[data-orientation="portrait"] .delta-bombers-landscape-hud > small,
.delta-bombers-root[data-orientation="portrait"] .delta-bombers-route-hud > small,
.delta-bombers-root[data-orientation="portrait"] .delta-bombers-route-hud > em { display: none; }
.delta-bombers-root[data-orientation="portrait"] .delta-bombers-fire-button {
  right: max(12px, env(safe-area-inset-right));
  bottom: max(14px, env(safe-area-inset-bottom));
}
.delta-bombers-root[data-orientation="portrait"] .delta-bombers-clearance-warning {
  bottom: max(18px, calc(env(safe-area-inset-bottom) + 12px));
  max-width: calc(100vw - 126px);
}
.delta-bombers-root[data-orientation="portrait"] .delta-bombers-biome-transition { padding-inline: 12px; }
.delta-bombers-root[data-orientation="portrait"] .delta-bombers-biome-transition-card { min-width: min(88vw, 520px); }

.delta-bombers-root[data-layout-density="compact"] .delta-bombers-hud-button { font-size: 20px; }
.delta-bombers-root[data-layout-density="compact"] .delta-bombers-landscape-hud,
.delta-bombers-root[data-layout-density="compact"] .delta-bombers-route-hud { border-radius: 8px; }
.delta-bombers-root[data-layout-density="compact"] .delta-bombers-landscape-hud > strong { font-size: 9px; }
.delta-bombers-root[data-layout-density="compact"] .delta-bombers-route-hud > strong { font-size: 8px; }

/* Nonblocking orientation advice. */
.delta-bombers-root .delta-bombers-rotate-hint {
  inset: max(8px, env(safe-area-inset-top)) auto auto 50%;
  display: none;
  width: min(330px, calc(100vw - 24px));
  min-height: 0;
  padding: 10px 12px;
  place-items: start;
  align-content: start;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 3px 10px;
  border: 1px solid rgba(130, 245, 252, .40);
  border-radius: 14px;
  color: #fff;
  background: rgba(4, 22, 33, .88);
  box-shadow: 0 12px 34px rgba(0, 16, 25, .34), inset 0 1px rgba(255,255,255,.10);
  text-align: left;
  transform: translateX(-50%);
  backdrop-filter: blur(12px);
  pointer-events: none;
}
.delta-bombers-root .delta-bombers-rotate-hint.is-visible { display: grid; pointer-events: auto; }
.delta-bombers-root .delta-bombers-rotate-hint strong { grid-column: 1; font-size: 13px; line-height: 1.1; }
.delta-bombers-root .delta-bombers-rotate-hint span { grid-column: 1; max-width: none; font-size: 10px; line-height: 1.25; }
.delta-bombers-root .delta-bombers-rotate-hint button {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  min-width: var(--delta-bombers-touch-target, 44px);
  min-height: var(--delta-bombers-touch-target, 44px);
  padding: 6px 9px;
  border: 1px solid rgba(164, 249, 255, .50);
  border-radius: 10px;
  color: #d7fdff;
  background: rgba(49, 184, 197, .17);
  font: 850 10px/1 system-ui, sans-serif;
  cursor: pointer;
}

/* Keyboard, accessibility and high-contrast resilience. */
.delta-bombers-root :where(button, select):focus-visible {
  outline: 3px solid #b7fbff;
  outline-offset: 2px;
}

@media (prefers-contrast: more) {
  .delta-bombers-root .delta-bombers-menu-card,
  .delta-bombers-root .delta-bombers-difficulty-option,
  .delta-bombers-root .delta-bombers-button,
  .delta-bombers-root .delta-bombers-hud-button,
  .delta-bombers-root .delta-bombers-hearts,
  .delta-bombers-root .delta-bombers-fire-button { border-color: rgba(255,255,255,.72); }
  .delta-bombers-root .delta-bombers-menu-card { background: rgba(3, 15, 24, .97); }
  .delta-bombers-root .delta-bombers-difficulty-description,
  .delta-bombers-root .delta-bombers-menu-card p { color: rgba(255,255,255,.92); }
}

@media (forced-colors: active) {
  .delta-bombers-root .delta-bombers-menu-card,
  .delta-bombers-root .delta-bombers-difficulty-option,
  .delta-bombers-root .delta-bombers-button,
  .delta-bombers-root .delta-bombers-hud-button,
  .delta-bombers-root .delta-bombers-fire-button,
  .delta-bombers-root .delta-bombers-rotate-hint { forced-color-adjust: auto; border: 1px solid ButtonText; }
  .delta-bombers-root .delta-bombers-primary { color: ButtonText; background: ButtonFace; }
}

/* The visible form control itself, not only its surrounding label, keeps a
   practical touch target. Extremely short landscape screens use the profile's
   40px compact target; portrait and tablet touch layouts retain 44px. */
.delta-bombers-root[data-input-mode="touch"] .delta-bombers-difficulty-menu select,
.delta-bombers-root[data-input-mode="hybrid"] .delta-bombers-difficulty-menu select,
.delta-bombers-root[data-input-mode="touch"] .delta-bombers-difficulty-menu .delta-bombers-button,
.delta-bombers-root[data-input-mode="hybrid"] .delta-bombers-difficulty-menu .delta-bombers-button {
  min-height: min(var(--delta-bombers-touch-target, 48px), 44px) !important;
}

/* Keep the advisory below all top-edge mission/status labels. It remains
   visible without covering the timer, hearts, route or threat readouts. */
.delta-bombers-root[data-orientation="portrait"] .delta-bombers-rotate-hint {
  top: max(158px, calc(env(safe-area-inset-top) + 152px));
  width: min(300px, calc(100vw - 24px));
  padding: 8px 10px;
}

/* Centre compact portrait launch panels when the viewport has enough vertical
   room, but retain the top-aligned scroll-safe layout on short browser views. */
@media (orientation: portrait) and (max-width: 599px) and (min-height: 650px) {
  .delta-bombers-root .delta-bombers-overlay {
    align-items: center !important;
    align-content: center !important;
  }
}

/* 6.6 — One interface language for setup, flight, pause and results.
   New screen classes deliberately avoid the historical dense setup layouts. */
body.delta-bombers-full-page-shell,
.delta-bombers-root,
.delta-bombers-shell { touch-action: auto; }
.delta-bombers-root[data-ui="670"] {
  --db-ink: #162f29;
  --db-panel: #203d34;
  --db-line: #56685a;
  --db-text: #f1e8d4;
  --db-muted: #c9cbb8;
  --db-accent: #e99a78;
  --db-gold: #efc676;
  font-family: "Avenir Next", "Segoe UI", system-ui, sans-serif;
  color: var(--db-text);
}
.delta-bombers-root[data-ui="670"] [hidden] { display: none !important; }
.delta-bombers-root[data-ui="670"][data-pause-reason],
.delta-bombers-root[data-ui="670"][data-pause-reason] .delta-bombers-shell { touch-action: auto !important; }
.delta-bombers-root[data-ui="670"] .delta-bombers-overlay {
  padding: max(24px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));
  align-items: safe center !important;
  align-content: normal !important;
  overflow: auto;
  background: linear-gradient(145deg, rgba(6, 27, 25, .90), rgba(7, 24, 23, .83));
  backdrop-filter: blur(5px);
  touch-action: pan-y pinch-zoom;
  scrollbar-gutter: auto;
}
.delta-bombers-root[data-ui="670"] .delta-bombers-menu-card {
  width: min(720px, 100%);
  max-width: 100%;
  max-height: none;
  overflow: visible;
  margin: auto;
  padding: 32px;
  border: 1px solid var(--db-line);
  border-radius: 24px;
  background: var(--db-ink);
  box-shadow: 0 20px 64px rgba(0, 0, 0, .30);
  text-align: left;
  touch-action: pan-y pinch-zoom;
  -webkit-user-select: text;
  user-select: text;
}
.delta-bombers-root[data-ui="670"] .delta-bombers-menu-card h1 {
  margin: 8px 0 12px;
  color: var(--db-text);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.045em;
  text-wrap: balance;
}
.delta-bombers-root[data-ui="670"] .delta-bombers-menu-card p {
  max-width: none;
  margin: 0 0 18px;
  color: var(--db-muted);
  font-size: 16px;
  line-height: 1.5;
}
.delta-bombers-root[data-ui="670"] .delta-bombers-kicker {
  color: var(--db-accent) !important;
  font-size: 12px !important;
  font-weight: 750;
  line-height: 1.4;
  letter-spacing: .10em;
}
.delta-bombers-root[data-ui="670"] .delta-bombers-home { width: min(980px, 100%); }
.delta-bombers-root[data-ui="670"] .delta-bombers-home-heading h1 {
  font-size: clamp(38px, 5.5vw, 56px);
  margin: 6px 0 8px;
}
.delta-bombers-home-heading h1 span { color: var(--db-accent); }
.delta-bombers-root[data-ui="670"] .delta-bombers-home-heading p:last-child { margin-bottom: 25px; }
.delta-bombers-home-layout { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 28px; align-items: start; }
.delta-bombers-feature { position: relative; min-width: 0; height: 388px; margin: 0; overflow: hidden; border-radius: 16px; background: #234943; }
.delta-bombers-feature-art { position: absolute; inset: 0; background-image: url('../shared-world/art/flight-hero.png'); background-repeat: no-repeat; background-size: cover; background-position: 50% 40%; }
.delta-bombers-feature::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8,31,28,.04) 15%, rgba(8,31,28,.20) 47%, rgba(8,31,28,.98)); }
.delta-bombers-feature figcaption { position: absolute; z-index: 1; inset: auto 24px 22px; display: grid; gap: 10px; }
.delta-bombers-feature figcaption > span { color: var(--db-accent); font-size: 12px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.delta-bombers-feature figcaption > strong { color: var(--db-text); font-size: 32px; font-weight: 750; line-height: 1.12; letter-spacing: -.035em; }
.delta-bombers-feature figcaption > small { color: var(--db-muted); font-size: 12px; line-height: 1.4; }
.delta-bombers-flight-setup { min-width: 0; }
.delta-bombers-field { display: grid; gap: 8px; min-width: 0; }
.delta-bombers-field > span, .delta-bombers-field-label { color: var(--db-text); font-size: 14px; font-weight: 700; line-height: 1.4; }
.delta-bombers-field > small { font-size: 13px; line-height: 1.45; color: var(--db-muted); }
.delta-bombers-root[data-ui="670"] .delta-bombers-field select {
  display: block; width: 100%; min-width: 0; min-height: 48px !important;
  padding: 10px 32px 10px 13px; border: 1px solid #60796e; border-radius: 10px;
  color: var(--db-text); background: var(--db-panel); color-scheme: dark;
  font: 600 16px/1.35 "Avenir Next", "Segoe UI", system-ui, sans-serif;
  cursor: pointer;
}
.delta-bombers-route-summary { display: grid; gap: 5px; margin: 10px 0 20px; font-size: 13px; line-height: 1.4; color: var(--db-muted); }
.delta-bombers-route-summary strong { font-weight: 600; color: var(--db-accent); }
.delta-bombers-levels { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin: 8px 0 20px; }
.delta-bombers-root[data-ui="670"] .delta-bombers-level {
  display: flex; flex-direction: column; align-items: start; justify-content: start; gap: 5px;
  min-width: 0; min-height: 106px; padding: 12px 10px;
  border: 1px solid var(--db-line); border-radius: 10px; color: var(--db-text); background: #15332e;
  text-align: left; cursor: pointer; font-family: inherit; box-shadow: none;
}
.delta-bombers-level > strong { font-size: 16px; font-weight: 750; }
.delta-bombers-level > span { color: var(--db-muted); font-size: 12px; line-height: 1.35; }
.delta-bombers-level > small { margin-top: auto; color: var(--db-muted); font-size: 12px; }
.delta-bombers-root[data-ui="670"] .delta-bombers-level.is-selected { border: 2px solid var(--db-accent); padding: 11px 9px; background: #234a3e; }
.delta-bombers-root[data-ui="670"] .delta-bombers-level.is-selected > strong { color: var(--db-accent); }
.delta-bombers-root[data-ui="670"] .delta-bombers-menu-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: start; margin: 18px 0 0; }
.delta-bombers-root[data-ui="670"] .delta-bombers-button {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  min-width: 0; min-height: 48px !important; margin: 0; padding: 12px 18px;
  border: 1px solid #60796e; border-radius: 10px;
  color: var(--db-text); background: #193a33; box-shadow: none;
  font: 700 15px/1.35 "Avenir Next", "Segoe UI", system-ui, sans-serif;
  letter-spacing: 0; text-transform: none; text-decoration: none; cursor: pointer;
  touch-action: manipulation; transition: background-color 120ms ease, border-color 120ms ease;
}
.delta-bombers-root[data-ui="670"] .delta-bombers-primary { color: #0b2422; background: var(--db-accent); border-color: var(--db-accent); }
.delta-bombers-root[data-ui="670"] .delta-bombers-button:hover { background: #2a5045; border-color: var(--db-accent); transform: none; }
.delta-bombers-root[data-ui="670"] .delta-bombers-primary:hover { background: #f1ba94; }
.delta-bombers-root[data-ui="670"] .delta-bombers-button:disabled { opacity: .55; cursor: wait; transform: none; }
.delta-bombers-root[data-ui="670"] .delta-bombers-launch-actions { display: grid; grid-template-columns: 1.25fr 1fr; margin: 0; }
.delta-bombers-root[data-ui="670"] .delta-bombers-launch-actions > .delta-bombers-pwa-install-button { grid-column: 1 / -1; }
.delta-bombers-readiness { display: flex; align-items: center; gap: 12px; margin: 12px 0 0; padding: 12px; border: 1px solid var(--db-line); border-radius: 10px; color: var(--db-muted); background: #12302a; }
.delta-bombers-readiness > div { display: grid; gap: 4px; min-width: 0; flex: 1 1 180px; }
.delta-bombers-readiness strong { font-size: 13px; color: var(--db-text); }
.delta-bombers-readiness span { font-size: 13px; line-height: 1.4; }
.delta-bombers-root[data-ui="670"][data-flight-readiness="ready"] .delta-bombers-readiness { padding: 0; border: 0; background: transparent; }
.delta-bombers-root[data-ui="670"][data-flight-readiness="ready"] .delta-bombers-readiness strong { color: var(--db-accent); font-weight: 600; }
.delta-bombers-root[data-ui="670"][data-flight-readiness="ready"] .delta-bombers-readiness span { display: none; }
.delta-bombers-root[data-ui="670"][data-flight-readiness="error"] .delta-bombers-readiness,
.delta-bombers-root[data-ui="670"][data-flight-readiness="unavailable"] .delta-bombers-readiness { border-color: #b99454; background: #332d22; }
.delta-bombers-options { margin-top: 20px; border-top: 1px solid var(--db-line); color: var(--db-muted); }
.delta-bombers-options > summary { min-height: 48px; padding: 15px 0; color: var(--db-text); font-size: 14px; font-weight: 700; cursor: pointer; line-height: 1.4; }
.delta-bombers-options > summary span { display: block; margin: 4px 0 0 15px; font-size: 12px; font-weight: 400; color: var(--db-muted); }
.delta-bombers-options-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 15px 12px; padding: 5px 0 0; }
.delta-bombers-root[data-ui="670"] .delta-bombers-setting { justify-content: space-between; padding: 10px 12px; font-size: 13px; text-align: left; }
.delta-bombers-setting strong { color: var(--db-accent); font-size: 13px; }
.delta-bombers-home-footer { display: flex; gap: 10px 20px; justify-content: space-between; flex-wrap: wrap; margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--db-line); color: var(--db-muted); font-size: 12px; line-height: 1.4; }
.delta-bombers-root[data-ui="670"] .delta-bombers-lessons { display: grid; gap: 18px; padding: 0; margin: 24px 0; list-style: none; }
.delta-bombers-lessons > li { display: grid; grid-template-columns: 36px 1fr; gap: 12px; margin: 0; padding: 0; }
.delta-bombers-lessons > li > span { color: var(--db-accent); font-size: 18px; line-height: 1.5; font-weight: 750; }
.delta-bombers-lessons strong { font-size: 17px; font-weight: 750; color: var(--db-text); }
.delta-bombers-root[data-ui="670"] .delta-bombers-lessons p { margin: 5px 0 0; font-size: 15px; }
.delta-bombers-root[data-ui="670"] .delta-bombers-guide-note { padding: 16px; border-radius: 10px; background: #193a33; font-size: 14px; }
.delta-bombers-root[data-ui="670"] .delta-bombers-results { width: min(600px, 100%); }
.delta-bombers-result-score { display: grid; gap: 4px; margin: 22px 0; }
.delta-bombers-result-score > span { font-size: 13px; color: var(--db-muted); }
.delta-bombers-result-score > strong { font-size: clamp(48px, 10vw, 80px); font-weight: 750; line-height: 1; letter-spacing: -.04em; color: var(--db-text); font-variant-numeric: tabular-nums; }
.delta-bombers-result-score > small { margin-top: 6px; font-size: 14px; color: var(--db-accent); }
.delta-bombers-result-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; border-block: 1px solid var(--db-line); padding: 18px 0; }
.delta-bombers-result-stats > div { display: grid; gap: 5px; }
.delta-bombers-result-stats strong { font-size: 26px; line-height: 1.2; color: var(--db-text); }
.delta-bombers-result-stats span { font-size: 13px; line-height: 1.4; color: var(--db-muted); }
.delta-bombers-root[data-ui="670"] .delta-bombers-result-tip { margin: 20px 0; font-size: 15px; }
.delta-bombers-result-tip strong { display: block; margin-bottom: 4px; color: var(--db-gold); font-size: 13px; }
.delta-bombers-root[data-ui="670"] .delta-bombers-local-note { font-size: 13px; }
.delta-bombers-root[data-ui="670"] .delta-bombers-pause-card { width: min(520px, 100%); }
.delta-bombers-root[data-ui="670"] :where(button, select, summary, a):focus-visible { outline: 3px solid #f9da8c; outline-offset: 3px; }

/* Stable HUD slots: controls/metrics, urgent threat, then region identity. */
.delta-bombers-root[data-ui="670"] .delta-bombers-hud {
  inset: max(12px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right)) auto max(14px, env(safe-area-inset-left));
  grid-template-columns: 48px minmax(72px, 1fr) minmax(76px, 1fr) 48px;
  align-items: start; gap: 12px;
}
.delta-bombers-root[data-ui="670"] .delta-bombers-hud-button {
  width: 48px; height: 48px; min-height: 48px; padding: 0; border: 1px solid rgba(248,245,235,.55); border-radius: 12px;
  color: #fff; background: rgba(7,26,25,.88); font: 750 24px/1 system-ui, sans-serif; box-shadow: none; text-shadow: none;
}
.delta-bombers-hud-metric { display: grid; gap: 2px; min-width: 0; padding: 7px 12px; border: 1px solid rgba(248,245,235,.28); border-radius: 10px; background: rgba(7,26,25,.86); color: #fff; width: max-content; max-width: 100%; }
.delta-bombers-hud-score { justify-self: end; text-align: right; }
.delta-bombers-hud-metric > span { font-size: 11px; font-weight: 650; line-height: 1.2; letter-spacing: .06em; text-transform: uppercase; color: #d3e2dc; }
.delta-bombers-hud-metric > strong,
.delta-bombers-root[data-ui="670"] .delta-bombers-timer { min-width: 0; padding: 0; font: 750 25px/1.1 "Avenir Next", system-ui, sans-serif; color: #fff; text-shadow: none; font-variant-numeric: tabular-nums; }
.delta-bombers-hud-metric small { font-size: 13px; margin-left: 3px; color: #d3e2dc; }
.delta-bombers-root[data-ui="670"] .delta-bombers-difficulty-hud,
.delta-bombers-root[data-ui="670"] .delta-bombers-performance-hud { display: none; }
.delta-bombers-root[data-ui="670"] .delta-bombers-combat-status {
  inset: max(83px, calc(env(safe-area-inset-top) + 71px)) auto auto max(14px, env(safe-area-inset-left));
  width: min(340px, calc(100% - 28px)); max-width: calc(100% - 28px); gap: 6px; opacity: 1; transform: none; align-items: start;
}
.delta-bombers-root[data-ui="670"].is-biome-transitioning .delta-bombers-combat-status { opacity: 1; }
.delta-bombers-root[data-ui="670"] .delta-bombers-lock-status,
.delta-bombers-root[data-ui="670"] .delta-bombers-missile-warning,
.delta-bombers-root[data-ui="670"] .delta-bombers-small-arms-warning {
  min-height: 28px; max-width: 100%; padding: 7px 10px; border-radius: 8px; font-size: 12px; line-height: 1.3; letter-spacing: .02em; white-space: normal;
}
.delta-bombers-root[data-ui="670"] .delta-bombers-lock-status:not(.is-visible),
.delta-bombers-root[data-ui="670"] .delta-bombers-missile-warning:not(.is-visible),
.delta-bombers-root[data-ui="670"] .delta-bombers-small-arms-warning:not(.is-visible) { display: none; }
.delta-bombers-root[data-ui="670"] .delta-bombers-landscape-hud,
.delta-bombers-root[data-ui="670"] .delta-bombers-biome-transition {
  inset: max(83px, calc(env(safe-area-inset-top) + 71px)) max(14px, env(safe-area-inset-right)) auto auto;
  width: min(250px, 35%); max-width: calc(100% - 28px); padding: 0; transform: none;
}
.delta-bombers-root[data-ui="670"] .delta-bombers-landscape-hud { padding: 8px 11px; background: rgba(7,26,25,.86); border: 1px solid rgba(248,245,235,.28); border-radius: 10px; }
.delta-bombers-root[data-ui="670"] .delta-bombers-landscape-hud > strong { font-size: 14px; line-height: 1.3; white-space: normal; }
.delta-bombers-root[data-ui="670"] .delta-bombers-landscape-hud > span { font-size: 10px; line-height: 1.3; letter-spacing: .04em; }
.delta-bombers-root[data-ui="670"] .delta-bombers-landscape-hud > small,
.delta-bombers-root[data-ui="670"] .delta-bombers-landscape-hud > b,
.delta-bombers-root[data-ui="670"] .delta-bombers-landscape-hud > i { display: none; }
.delta-bombers-root[data-ui="670"] .delta-bombers-biome-transition-card { width: 100%; min-width: 0; max-width: 100%; padding: 10px 11px; border-radius: 10px; background: #153a30; }
.delta-bombers-root[data-ui="670"] .delta-bombers-biome-transition-card > span { font-size: 10px; line-height: 1.3; letter-spacing: .04em; }
.delta-bombers-root[data-ui="670"] .delta-bombers-biome-transition-card > strong { font-size: 18px; line-height: 1.2; white-space: normal; }
.delta-bombers-root[data-ui="670"] .delta-bombers-biome-transition-card > small { display: none; }
.delta-bombers-root[data-ui="670"] .delta-bombers-route-hud { inset: auto auto max(108px, calc(env(safe-area-inset-bottom) + 100px)) max(14px, env(safe-area-inset-left)); width: auto; max-width: calc(100% - 130px); padding: 8px 10px; background: rgba(7,26,25,.88); }
.delta-bombers-root[data-ui="670"] .delta-bombers-route-hud > strong { font-size: 12px; line-height: 1.3; }
.delta-bombers-root[data-ui="670"] .delta-bombers-route-hud > small { display: none; }
.delta-bombers-root[data-ui="670"] .delta-bombers-fire-button { width: 76px; height: 76px; right: max(16px, env(safe-area-inset-right)); bottom: max(18px, env(safe-area-inset-bottom)); padding: 13px 10px; font-size: 14px; letter-spacing: .04em; }
.delta-bombers-root[data-ui="670"] .delta-bombers-fire-icon { font-size: 25px; }
.delta-bombers-root[data-ui="670"] .delta-bombers-clearance-warning { left: max(16px, env(safe-area-inset-left)); right: auto; bottom: max(22px, env(safe-area-inset-bottom)); max-width: calc(100% - 128px); grid-template-columns: minmax(0, 1fr) auto; transform: none; padding: 9px 11px; font-size: 13px; line-height: 1.3; letter-spacing: .02em; }
.delta-bombers-root[data-ui="670"] .delta-bombers-clearance-warning > span { min-width: 0; font-size: 13px; white-space: normal; overflow-wrap: anywhere; }
.delta-bombers-root[data-ui="670"] .delta-bombers-clearance-warning > small { font-size: 12px; }
.delta-bombers-root[data-ui="670"] .delta-bombers-clearance-warning::before,
.delta-bombers-root[data-ui="670"] .delta-bombers-clearance-warning::after { display: none; }
.delta-bombers-root[data-ui="670"] .delta-bombers-damage-status { left: max(16px, env(safe-area-inset-left)); right: auto; bottom: max(75px, calc(env(safe-area-inset-bottom) + 57px)); max-width: calc(100% - 128px); font-size: 12px; transform: none; }
.delta-bombers-root[data-ui="670"] .delta-bombers-damage-status > span { font-size: 12px; }
.delta-bombers-coach { position: absolute; z-index: 7; bottom: max(22px, env(safe-area-inset-bottom)); left: max(16px, env(safe-area-inset-left)); display: flex; align-items: center; gap: 6px; max-width: min(360px, calc(100% - 126px)); padding: 0 0 0 12px; color: #fff; background: rgba(7,26,25,.94); border: 1px solid rgba(163,236,212,.55); border-radius: 10px; }
.delta-bombers-coach > span { font-size: 14px; line-height: 1.4; }
.delta-bombers-coach > button { flex: 0 0 44px; width: 44px; height: 48px; padding: 0; border: 0; color: #d3e2dc; background: transparent; font: 400 25px/1 system-ui, sans-serif; cursor: pointer; }
.delta-bombers-root[data-ui="670"] .delta-bombers-system-status.is-visible { pointer-events: auto; }
.delta-bombers-root[data-ui="670"] .delta-bombers-system-status strong { font-size: 20px; }
.delta-bombers-root[data-ui="670"] .delta-bombers-system-status span { font-size: 15px; line-height: 1.5; }
.delta-bombers-root[data-ui="670"] .delta-bombers-rotate-hint { display: none !important; }

@media (max-width: 680px) {
  .delta-bombers-root[data-ui="670"] .delta-bombers-overlay { padding: max(12px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left)); }
  .delta-bombers-root[data-ui="670"] .delta-bombers-menu-card { padding: 22px 18px; border-radius: 18px; }
  .delta-bombers-home-layout { grid-template-columns: 1fr; gap: 16px; }
  .delta-bombers-feature { display: block; height: clamp(136px, 24vw, 170px); }
  .delta-bombers-feature-art { background-position: 50% 54%; }
  .delta-bombers-feature::after { background: linear-gradient(180deg, transparent 48%, rgba(8,31,28,.88)); }
  .delta-bombers-feature figcaption { inset: auto 14px 10px; gap: 0; }
  .delta-bombers-feature figcaption > span, .delta-bombers-feature figcaption > strong { display: none; }
  .delta-bombers-feature figcaption > small { color: #f1e8d4; font-size: 12px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-home-heading h1 { font-size: 40px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-home-heading p:last-child { font-size: 15px; margin-bottom: 20px; }
  .delta-bombers-levels { gap: 6px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-level { padding: 10px 8px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-level.is-selected { padding: 9px 7px; }
  .delta-bombers-home-footer { margin-top: 18px; gap: 8px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-hud { gap: 7px; left: max(10px, env(safe-area-inset-left)); right: max(10px, env(safe-area-inset-right)); }
  .delta-bombers-hud-metric { padding: 7px 9px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-landscape-hud,
  .delta-bombers-root[data-ui="670"] .delta-bombers-biome-transition { top: max(128px, calc(env(safe-area-inset-top) + 116px)); right: max(10px, env(safe-area-inset-right)); width: min(240px, calc(100% - 20px)); }
  .delta-bombers-root[data-ui="670"] .delta-bombers-landscape-hud { opacity: .8; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-landscape-hud > span { display: none; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-combat-status { left: max(10px, env(safe-area-inset-left)); width: calc(100% - 20px); max-width: calc(100% - 20px); }
  .delta-bombers-root[data-ui="670"].has-urgent-threat .delta-bombers-landscape-hud,
  .delta-bombers-root[data-ui="670"].has-urgent-threat .delta-bombers-biome-transition { visibility: hidden; }
  .delta-bombers-readiness { flex-wrap: wrap; }
}
@media (max-width: 360px) {
  .delta-bombers-root[data-ui="670"] .delta-bombers-home-heading h1 { font-size: 34px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-hud-score > strong { font-size: 18px; }
  .delta-bombers-options-grid { grid-template-columns: 1fr; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-button { padding-inline: 12px; font-size: 14px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-level { min-height: 116px; }
}
@media (orientation: landscape) and (max-height: 520px) {
  .delta-bombers-root[data-ui="670"] .delta-bombers-overlay { padding-block: 12px; align-items: start !important; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-menu-card { padding: 20px 24px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-home-heading h1 { font-size: 36px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-home-heading p:last-child { margin-bottom: 16px; font-size: 15px; }
  .delta-bombers-feature { height: 300px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-landscape-hud { display: none; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-route-hud { bottom: max(96px, calc(env(safe-area-inset-bottom) + 84px)); }
}
@media (prefers-reduced-motion: reduce) {
  .delta-bombers-root[data-ui="670"] *, .delta-bombers-root[data-ui="670"] *::before, .delta-bombers-root[data-ui="670"] *::after { animation: none !important; transition: none !important; }
}
.delta-bombers-root[data-ui="670"].is-reduced-motion *,
.delta-bombers-root[data-ui="670"].is-reduced-motion *::before,
.delta-bombers-root[data-ui="670"].is-reduced-motion *::after { animation: none !important; transition: none !important; }
.delta-bombers-root[data-ui="670"].is-reduced-motion .delta-bombers-biome-transition.is-visible,
.delta-bombers-root[data-ui="670"].is-reduced-motion .delta-bombers-biome-transition.is-visible .delta-bombers-biome-transition-card { opacity: 1; }
@media (forced-colors: active) {
  .delta-bombers-root[data-ui="670"] .delta-bombers-level.is-selected { border: 3px solid Highlight; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-button,
  .delta-bombers-root[data-ui="670"] .delta-bombers-hud-metric,
  .delta-bombers-root[data-ui="670"] .delta-bombers-coach { border: 1px solid ButtonText; }
}

/* Shared Okavango hangar. Controls reflow; the model is framed independently. */
.delta-bombers-root[data-ui="670"] .delta-bombers-hangar-link { width:100%; justify-content:space-between; margin-top:10px; background:transparent; }
.delta-bombers-root[data-ui="670"] .delta-bombers-hangar { width:min(1100px,100%); }
.delta-bombers-hangar-heading { display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap; margin-bottom:24px; }
.delta-bombers-root[data-ui="670"] .delta-bombers-hangar-heading p { margin:0; }
.delta-bombers-root[data-ui="670"] .delta-bombers-hangar-heading h1 { margin:6px 0 0; }
.delta-bombers-hangar-layout { display:grid; grid-template-columns:minmax(0,1.3fr) minmax(255px,.8fr); gap:28px; align-items:start; }
.delta-bombers-hangar-stage { min-width:0; position:relative; overflow:hidden; border-radius:16px; background:#e3dcc9; border:1px solid #8b927b; }
.delta-bombers-hangar-canvas { display:block !important; position:relative !important; width:100% !important; height:430px !important; touch-action:pan-y pinch-zoom; cursor:grab; outline-offset:-5px; }
.delta-bombers-hangar-canvas:active { cursor:grabbing; }
.delta-bombers-hangar-canvas:focus-visible { outline:3px solid #b95031; }
.delta-bombers-root[data-ui="670"] .delta-bombers-hangar-stage .delta-bombers-hangar-status { margin:0; padding:14px 14px 0; color:#354a40; text-align:center; font-size:13px; }
.delta-bombers-hangar-controls { display:flex; gap:8px; justify-content:center; padding:12px 16px 18px; }
.delta-bombers-root[data-ui="670"] .delta-bombers-hangar-controls .delta-bombers-button { min-height:44px; background:#eee6d2; color:#243e33; border:1px solid #86947f; }
.delta-bombers-root[data-ui="670"] .delta-bombers-hangar-controls .delta-bombers-button:hover { background:#f9f2e2; border-color:#334d3e; }
.delta-bombers-hangar-finishes { min-width:0; }
.delta-bombers-hangar-finishes h2 { color:var(--db-text); font-size:27px; line-height:1.15; margin:4px 0 10px; letter-spacing:-.025em; }
.delta-bombers-root[data-ui="670"] .delta-bombers-hangar-finishes h2 { border:0 !important; padding:0 !important; background:transparent; box-shadow:none; }
.delta-bombers-root[data-ui="670"] .delta-bombers-hangar-finishes h2::before,
.delta-bombers-root[data-ui="670"] .delta-bombers-hangar-finishes h2::after { content:none; }
.delta-bombers-root[data-ui="670"] .delta-bombers-hangar-finishes > p { font-size:14px; }
.delta-bombers-finish-grid { display:grid; grid-template-columns:1fr 1fr; gap:10px; margin:24px 0; }
.delta-bombers-finish { display:grid; grid-template-columns:32px 1fr 14px; align-items:center; gap:8px; min-height:62px; padding:10px 8px; background:var(--db-panel); border:1px solid var(--db-line); color:var(--db-text); border-radius:10px; font-family:inherit; font-size:13px; font-weight:650; line-height:1.25; cursor:pointer; text-align:left; }
.delta-bombers-finish:hover { background:#2e4b3e; }
.delta-bombers-finish.is-selected { border-color:var(--db-accent); box-shadow:inset 0 0 0 1px var(--db-accent); }
.delta-bombers-finish-chip { width:30px; height:30px; border-radius:50%; background:var(--finish); box-shadow:inset 0 0 0 1px #ffffff40,0 2px 5px #0003; }
.delta-bombers-finish-check { visibility:hidden; color:var(--db-accent); font-weight:800; }
.delta-bombers-finish.is-selected .delta-bombers-finish-check { visibility:visible; }
.delta-bombers-root[data-ui="670"] .delta-bombers-hangar-note { color:var(--db-muted); font-size:13px !important; line-height:1.5; }
.delta-bombers-root[data-ui="670"] .delta-bombers-hangar-finishes > .delta-bombers-primary { width:100%; }
.delta-bombers-root[data-ui="670"] .delta-bombers-pwa-install-button { background:var(--db-panel) !important; border-color:var(--db-line) !important; color:var(--db-text); box-shadow:none; }
.delta-bombers-root[data-ui="670"] .delta-bombers-pwa-install-button::before { border-color:var(--db-muted); color:var(--db-text); }
@media(max-width:760px){
  .delta-bombers-hangar-layout { grid-template-columns:minmax(0,1fr); gap:24px; }
  .delta-bombers-hangar-canvas { height:360px !important; }
  .delta-bombers-hangar-heading { gap:14px; }
  .delta-bombers-finish-grid { grid-template-columns:repeat(3,minmax(0,1fr)); }
  .delta-bombers-finish { grid-template-columns:26px minmax(0,1fr) 12px; gap:6px; }
  .delta-bombers-finish-chip { width:26px; height:26px; }
  .delta-bombers-finish-check { display:block; }
}
@media(max-width:460px){
  .delta-bombers-hangar-canvas { height:300px !important; }
  .delta-bombers-finish-grid { grid-template-columns:1fr 1fr; }
  .delta-bombers-hangar-heading > .delta-bombers-button { width:100%; }
  .delta-bombers-hangar-finishes h2 { font-size:25px; }
}
@media(orientation:landscape) and (max-height:520px){
  .delta-bombers-hangar-layout { grid-template-columns:minmax(0,1fr) minmax(245px,.9fr); gap:18px; }
  .delta-bombers-hangar-canvas { height:280px !important; }
  .delta-bombers-finish-grid { grid-template-columns:1fr 1fr; margin:16px 0; }
}

/* Pass A: visible aircraft identity and shared recovery surfaces. */
.delta-bombers-root[data-ui="670"] .delta-bombers-selected-aircraft {
  display:grid; grid-template-columns:36px minmax(0,1fr) auto; gap:12px;
  width:100%; margin:0 0 18px; padding:13px; text-align:left; background:var(--db-panel);
}
.delta-bombers-selected-aircraft-chip {
  width:34px; height:34px; border-radius:50%; background:var(--finish);
  border:2px solid var(--db-text); box-shadow:inset 0 0 0 3px #162f2933;
}
.delta-bombers-selected-aircraft-copy { display:grid; min-width:0; gap:3px; }
.delta-bombers-selected-aircraft-copy > small { color:var(--db-muted); font-size:11px; font-weight:500; }
.delta-bombers-selected-aircraft-copy > strong { color:var(--db-text); font-size:16px; line-height:1.25; }
.delta-bombers-selected-aircraft-copy > span { color:var(--db-muted); font-size:12px; line-height:1.35; font-weight:500; }
.delta-bombers-selected-aircraft-change { color:var(--db-accent); font-size:12px; white-space:nowrap; }
.delta-bombers-root[data-ui="670"] .delta-bombers-route-summary > p { margin:0 0 3px; font-size:13px; line-height:1.45; }
.delta-bombers-root[data-ui="670"] .delta-bombers-system-status { background:rgba(9,26,23,.80); overflow:auto; }
.delta-bombers-root[data-ui="670"] .delta-bombers-system-status > div {
  border:1px solid var(--db-line); border-radius:16px; background:var(--db-ink);
  color:var(--db-text); box-shadow:0 20px 64px #0005; text-align:left;
}
.delta-bombers-root[data-ui="670"] .delta-bombers-system-status strong { letter-spacing:-.02em; text-transform:none; }
.delta-bombers-root[data-ui="670"] .delta-bombers-system-status span { color:var(--db-muted); }
.delta-bombers-root[data-ui="670"] .delta-bombers-system-status[data-state="error"] > div,
.delta-bombers-root[data-ui="670"] .delta-bombers-system-status[data-state="unavailable"] > div { border-color:var(--db-gold); }
@media(max-width:680px){
  .delta-bombers-root[data-ui="670"] .delta-bombers-home-heading p:last-child { margin-bottom:16px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-selected-aircraft { grid-template-columns:30px minmax(0,1fr) auto; gap:9px; margin-bottom:16px; padding:11px; }
  .delta-bombers-selected-aircraft-chip { width:28px; height:28px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-level { min-height:88px; }
  .delta-bombers-route-summary { margin-bottom:16px; }
  .delta-bombers-levels { margin-bottom:16px; }
}
@media(max-width:360px){
  .delta-bombers-selected-aircraft-change { font-size:11px; }
  .delta-bombers-selected-aircraft-copy > span { font-size:11px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-selected-aircraft { gap:7px; padding:10px; }
}
@media(forced-colors:active){
  .delta-bombers-finish.is-selected { border:2px solid Highlight; }
  .delta-bombers-finish.is-selected .delta-bombers-finish-check { color:Highlight; }
  .delta-bombers-selected-aircraft-chip { border-color:ButtonText; }
}

@media(max-width:680px){
  .delta-bombers-route-summary > span { display:none; }
}
@media(orientation:landscape) and (max-height:520px) and (min-width:600px){
  .delta-bombers-home-layout { grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr); gap:20px; }
  .delta-bombers-feature { height:250px; }
}
@media(orientation:landscape) and (max-height:520px) and (max-width:599px){
  .delta-bombers-feature { height:110px; }
}

/* Pass B: one visible viewport, a compact flight setup and a calm app backdrop.
   The canvas and controls share the same measured CSS rectangle. Safe-area
   padding stays inside that rectangle; it never shortens the app a second time. */
html.delta-bombers-document-shell,
html.delta-bombers-document-shell body,
html.delta-bombers-immersive-active,
html.delta-bombers-immersive-active body,
body.delta-bombers-full-page-shell {
  height: var(--delta-bombers-shell-height, 100%) !important;
  min-height: 0 !important;
  background: #0f231e !important;
}
.delta-bombers-full-page-main {
  height: var(--delta-bombers-shell-height, 100%) !important;
  min-height: 0 !important;
  background: #0f231e;
}
body.delta-bombers-full-page-shell .delta-bombers-root[data-ui="670"],
.delta-bombers-root[data-ui="670"].is-immersive,
.delta-bombers-root[data-ui="670"]:fullscreen,
.delta-bombers-root[data-ui="670"]:-webkit-full-screen {
  inset: 0 auto auto 0 !important;
  width: var(--delta-bombers-visual-vw, 100%) !important;
  height: var(--delta-bombers-visual-vh, 100%) !important;
  min-height: 0 !important;
  max-height: none !important;
}
.delta-bombers-root[data-ui="670"] .delta-bombers-overlay {
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior-y: contain;
  -webkit-overflow-scrolling: touch;
  scroll-padding-block: 16px;
}
.delta-bombers-root[data-ui="670"] .delta-bombers-overlay.is-visible { display: block; }
.delta-bombers-root[data-ui="670"] .delta-bombers-overlay:not(.is-visible) { display: none; }
.delta-bombers-root[data-ui="670"] .delta-bombers-menu-card {
  margin: 0 auto;
  min-height: 0;
}
.delta-bombers-route-setup,
.delta-bombers-difficulty-setup,
.delta-bombers-flight-launch { min-width: 0; }
.delta-bombers-flight-launch { margin-top: 2px; }
.delta-bombers-root[data-ui="670"] .delta-bombers-launch-actions > .delta-bombers-primary {
  min-height: 48px !important;
  font-size: 17px;
}

.delta-bombers-root[data-ui="670"] { container-name: delta-flight; container-type: size; }

/* Compact layouts query the measured game rectangle. Browser toolbar height
   can differ from the layout viewport used by media queries. Earlier media
   rules remain a scrolling fallback on browsers without size containers. */

/* Phone portrait: all first-run choices stay compact and the rest of the
   menu remains one vertical scroll surface. No nested card scroller. */
@media (max-width: 680px) {
  .delta-bombers-root[data-ui="670"] .delta-bombers-menu-card { padding: 18px 16px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-home-heading .delta-bombers-kicker { margin-bottom: 5px; font-size: 10px !important; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-home-heading h1 { margin: 4px 0 12px; font-size: clamp(30px, 9vw, 38px); }
  .delta-bombers-root[data-ui="670"] .delta-bombers-home-heading p:last-child { display: none; }
  .delta-bombers-home-layout { gap: 12px; }
  .delta-bombers-feature { height: clamp(108px, 16vh, 144px); }
  .delta-bombers-root[data-ui="670"] .delta-bombers-selected-aircraft { min-height: 58px !important; margin-bottom: 12px; padding: 8px 10px; }
  .delta-bombers-selected-aircraft-chip { width: 30px; height: 30px; }
  .delta-bombers-selected-aircraft-copy { gap: 1px; }
  .delta-bombers-selected-aircraft-copy > small { font-size: 10px; }
  .delta-bombers-selected-aircraft-copy > strong { font-size: 16px; }
  .delta-bombers-selected-aircraft-copy > span { font-size: 12px; }
  .delta-bombers-route-summary { margin: 7px 0 12px; gap: 3px; font-size: 12px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-route-summary p { margin: 0; font-size: 12px; line-height: 1.4; }
  .delta-bombers-levels { margin: 6px 0 12px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-level { min-height: 78px; padding: 8px; gap: 3px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-level.is-selected { padding: 7px; }
  .delta-bombers-level > strong { font-size: 15px; }
  .delta-bombers-level > span, .delta-bombers-level > small { font-size: 11px; }
  .delta-bombers-options { margin-top: 14px; }
  .delta-bombers-home-footer { margin-top: 12px; padding-top: 12px; }
}

/* A phone/tablet in landscape needs a shorter composition even when its
   width resembles a desktop. Aircraft, route, difficulty and Play come first;
   the optional settings and installation control can scroll below them. */
@container delta-flight (orientation: landscape) and (max-height: 600px) and (min-width: 560px) {
  .delta-bombers-root[data-ui="670"] .delta-bombers-overlay {
    padding: max(10px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  }
  .delta-bombers-root[data-ui="670"] .delta-bombers-home { width: min(1100px, 100%); padding: 14px 18px; border-radius: 18px; }
  .delta-bombers-home-heading { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 16px; margin-bottom: 12px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-home-heading .delta-bombers-kicker { margin: 0; font-size: 10px !important; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-home-heading h1 { margin: 0; font-size: clamp(26px, 3.6vw, 36px); }
  .delta-bombers-root[data-ui="670"] .delta-bombers-home-heading p:last-child { display: none; }
  .delta-bombers-home-layout { grid-template-columns: minmax(150px, .65fr) minmax(0, 1.55fr); gap: 18px; }
  .delta-bombers-feature { height: clamp(180px, 45vh, 265px); }
  .delta-bombers-feature figcaption { inset: auto 14px 14px; gap: 7px; }
  .delta-bombers-feature figcaption > span { display: block; font-size: 9px; }
  .delta-bombers-feature figcaption > strong { display: block; font-size: clamp(22px, 3.1vw, 30px); }
  .delta-bombers-feature figcaption > small { font-size: 11px; }
  .delta-bombers-flight-setup { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-areas: "aircraft route" "difficulty difficulty" "launch launch" "options options"; gap: 9px 12px; align-items: start; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-selected-aircraft { grid-area: aircraft; grid-template-columns: 28px minmax(0, 1fr) auto; min-height: 68px !important; height: 100%; margin: 0; padding: 8px 10px; gap: 8px; }
  .delta-bombers-selected-aircraft-chip { width: 28px; height: 28px; flex-basis: 28px; }
  .delta-bombers-selected-aircraft-copy { gap: 1px; }
  .delta-bombers-selected-aircraft-copy > small { font-size: 10px; }
  .delta-bombers-selected-aircraft-copy > strong { font-size: 16px; }
  .delta-bombers-selected-aircraft-copy > span { font-size: 11px; }
  .delta-bombers-selected-aircraft-change { font-size: 11px; }
  .delta-bombers-route-setup { grid-area: route; }
  .delta-bombers-route-setup .delta-bombers-field { gap: 4px; }
  .delta-bombers-route-setup .delta-bombers-field > span { font-size: 12px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-route-setup select { min-height: 44px !important; padding: 8px 27px 8px 10px; font-size: 14px; }
  .delta-bombers-route-summary { margin: 4px 0 0; font-size: 11px; }
  .delta-bombers-route-summary > p, .delta-bombers-route-summary > span { display: none; }
  .delta-bombers-difficulty-setup { grid-area: difficulty; }
  .delta-bombers-difficulty-setup > .delta-bombers-field-label { font-size: 12px; }
  .delta-bombers-levels { gap: 7px; margin: 5px 0 0; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-level { min-height: 63px; padding: 8px 10px; gap: 2px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-level.is-selected { padding: 7px 9px; }
  .delta-bombers-level > strong { font-size: 15px; }
  .delta-bombers-level > span, .delta-bombers-level > small { font-size: 11px; }
  .delta-bombers-flight-launch { grid-area: launch; margin: 0; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-launch-actions { gap: 8px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-launch-actions > .delta-bombers-button { min-height: 44px !important; padding: 10px 14px; }
  .delta-bombers-readiness { margin-top: 6px; }
  .delta-bombers-readiness strong { font-size: 12px; }
  .delta-bombers-options { grid-area: options; margin-top: 3px; }
  .delta-bombers-options > summary { min-height: 44px; padding: 11px 0; }
  .delta-bombers-options > summary span { display: inline; margin-left: 7px; }
  .delta-bombers-home-footer { margin-top: 12px; padding-top: 10px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-hangar-canvas { height: min(58vh, 300px) !important; }
}
@container delta-flight (orientation: landscape) and (max-height: 600px) and (min-width: 560px) and (max-width: 760px) {
  .delta-bombers-home-layout { grid-template-columns: minmax(100px, .48fr) minmax(0, 1.52fr); gap: 12px; }
  .delta-bombers-feature figcaption { inset-inline: 10px; }
  .delta-bombers-feature figcaption > span, .delta-bombers-feature figcaption > strong { display: none; }
  .delta-bombers-selected-aircraft-change { font-size: 0; }
  .delta-bombers-selected-aircraft-change > span { font-size: 16px; }
}
@container delta-flight (orientation: landscape) and (max-height: 400px) {
  .delta-bombers-root[data-ui="670"] .delta-bombers-home { padding-block: 10px; }
  .delta-bombers-home-heading { margin-bottom: 8px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-home-heading .delta-bombers-kicker { display: none; }
  .delta-bombers-feature { height: 180px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-level { min-height: 51px; }
  .delta-bombers-level > span { display: none; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-hud-metric { padding: 6px 9px; }
  .delta-bombers-root[data-ui="670"] .delta-bombers-hud-metric > strong { font-size: 24px; }
}
/* Pass C: real download/preparation progress, in the existing compact shell. */
.delta-bombers-readiness-progress {
  display: block;
  width: 100%;
  min-width: 0;
  height: 6px;
  margin: 6px 0 0;
  border: 0;
  border-radius: 999px;
  overflow: hidden;
  color: #d6b86f;
  accent-color: #d6b86f;
  background: rgba(225, 236, 215, .12);
}
.delta-bombers-readiness-progress::-webkit-progress-bar { background: rgba(225, 236, 215, .12); border-radius: 999px; }
.delta-bombers-readiness-progress::-webkit-progress-value { background: #d6b86f; border-radius: 999px; }
.delta-bombers-readiness-progress::-moz-progress-bar { background: #d6b86f; border-radius: 999px; }
.delta-bombers-readiness .delta-bombers-readiness-count,
.delta-bombers-pause-card .delta-bombers-readiness-count { color: rgba(235, 241, 227, .68); font-size: 11px; line-height: 1.2; }
.delta-bombers-readiness-progress[hidden], .delta-bombers-readiness-count[hidden] { display: none !important; }