:root {
  color-scheme: dark;
  --panel: rgba(13, 20, 26, 0.76);
  --panel-strong: rgba(8, 13, 17, 0.9);
  --line: rgba(255, 255, 255, 0.16);
  --text: #f4f7f8;
  --muted: #aeb8bd;
  --accent: #f0b84f;
  --accent-2: #62d0b6;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #101820;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
}

button {
  font: inherit;
}

.app {
  position: relative;
  width: 100vw;
  height: 100dvh;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
}

#sceneCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  background: #7ec4df;
}

.topbar,
.hud,
.touch-controls,
.mission-panel,
.keyboard-panel,
.systems-panel,
.map-panel,
.training-cue,
.cockpit {
  position: absolute;
  z-index: 3;
}

.topbar {
  top: 14px;
  left: 14px;
  right: 14px;
  display: grid;
  grid-template-columns: minmax(190px, 360px) minmax(220px, 1fr) auto;
  gap: 12px;
  align-items: center;
  pointer-events: none;
}

.brand,
.status,
.actions,
.hud {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(16px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.22);
}

.brand,
.status {
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 13px;
  border-radius: 8px;
  min-width: 0;
}

.brand-mark {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, #ffffff 0 12%, transparent 13%),
    conic-gradient(from 20deg, #62d0b6, #f0b84f, #de6e4b, #62d0b6);
}

.status {
  justify-content: space-between;
}

.status span {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.status strong {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 7px;
  border-radius: 8px;
  pointer-events: auto;
}

.icon-button,
.pedals button {
  min-width: 42px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
  cursor: pointer;
  font-weight: 800;
  touch-action: manipulation;
}

.icon-button:hover,
.pedals button:hover {
  background: rgba(255, 255, 255, 0.2);
}

.hud {
  left: 50%;
  bottom: 16px;
  width: min(620px, calc(100vw - 32px));
  min-height: 92px;
  display: grid;
  grid-template-columns: repeat(4, minmax(80px, 1fr));
  gap: 10px;
  padding: 10px;
  border-radius: 8px;
  transform: translateX(-50%);
}

.mission-panel,
.keyboard-panel,
.systems-panel,
.map-panel,
.training-cue,
.cockpit {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  backdrop-filter: blur(16px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.22);
}

.mission-panel {
  top: 82px;
  left: 14px;
  width: min(360px, calc(100vw - 28px));
  display: grid;
  gap: 7px;
  padding: 12px;
}

.mission-panel strong {
  font-size: 0.95rem;
}

.mission-panel span {
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.25;
}

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

.mission-meta span {
  min-width: 0;
  padding: 6px;
  border-radius: 7px;
  background: rgba(8, 13, 17, 0.72);
  color: var(--text);
  font-size: 0.72rem;
  text-align: center;
  white-space: nowrap;
}

.keyboard-panel {
  top: 196px;
  left: 14px;
  width: min(360px, calc(100vw - 28px));
  display: grid;
  gap: 8px;
  padding: 10px;
}

.keyboard-panel strong {
  font-size: 0.82rem;
  text-transform: uppercase;
}

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

.key-grid span {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 5px;
  min-height: 31px;
  padding: 5px 6px;
  border-radius: 7px;
  background: rgba(8, 13, 17, 0.72);
}

kbd {
  min-width: 24px;
  height: 21px;
  display: inline-grid;
  place-items: center;
  padding: 0 6px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-bottom-color: rgba(255, 255, 255, 0.38);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.11);
  color: var(--text);
  font: 700 0.68rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.key-grid small {
  min-width: 0;
  color: var(--muted);
  font-size: 0.7rem;
  white-space: nowrap;
}

.systems-panel {
  top: 430px;
  left: 14px;
  width: min(360px, calc(100vw - 28px));
  display: grid;
  gap: 8px;
  padding: 10px;
}

.system-row,
.system-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: end;
}

.system-actions {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.system-row label {
  display: grid;
  gap: 4px;
}

.system-row label span,
.atc-panel strong {
  color: var(--muted);
  font-size: 0.68rem;
  text-transform: uppercase;
}

select,
.system-row button,
.system-actions button {
  min-height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 7px;
  background: rgba(8, 13, 17, 0.76);
  color: var(--text);
  font-weight: 800;
}

.checklist {
  display: none;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.checklist.is-visible {
  display: grid;
}

.checklist label {
  min-height: 30px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border-radius: 7px;
  background: rgba(8, 13, 17, 0.65);
  color: var(--muted);
  font-size: 0.72rem;
}

.atc-panel {
  display: grid;
  gap: 4px;
  padding: 8px;
  border-radius: 7px;
  background: rgba(8, 13, 17, 0.72);
}

.atc-panel span {
  color: var(--text);
  font-size: 0.78rem;
  line-height: 1.25;
}

.map-panel {
  right: 14px;
  top: 338px;
  width: 218px;
  padding: 10px;
}

#mapCanvas {
  width: 100%;
  aspect-ratio: 1;
  display: block;
  border-radius: 8px;
  background: rgba(8, 13, 17, 0.76);
}

.map-meta {
  display: grid;
  gap: 6px;
  margin-top: 8px;
}

.map-meta span {
  min-height: 26px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  background: var(--panel-strong);
  color: var(--muted);
  font-size: 0.72rem;
  text-align: center;
}

.training-cue {
  left: 50%;
  top: 122px;
  min-width: min(420px, calc(100vw - 28px));
  max-width: min(560px, calc(100vw - 28px));
  padding: 9px 14px;
  color: var(--text);
  font-weight: 800;
  text-align: center;
  transform: translateX(-50%);
}

.debrief-panel {
  position: absolute;
  inset: 0;
  z-index: 6;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(6, 10, 13, 0.48);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.debrief-panel.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.debrief-card {
  width: min(520px, 100%);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(9, 13, 17, 0.94);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(18px);
  padding: 14px;
}

.debrief-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.debrief-grid span {
  min-height: 48px;
  display: grid;
  place-items: center;
  padding: 8px;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
  font-size: 0.82rem;
}

.cockpit {
  right: 14px;
  top: 82px;
  width: 218px;
  padding: 10px;
}

.attitude {
  position: relative;
  height: 118px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background:
    linear-gradient(#5aa5cf 0 50%, #5aa5cf 50% 52%, #5bb36a 52% 100%);
}

.horizon {
  position: absolute;
  left: -18%;
  top: 50%;
  width: 136%;
  height: 3px;
  background: rgba(255, 255, 255, 0.9);
  transform-origin: center;
}

.plane-mark {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 74px;
  height: 2px;
  background: var(--accent);
  transform: translate(-50%, -50%);
}

.plane-mark::before,
.plane-mark::after {
  content: "";
  position: absolute;
  top: -9px;
  width: 2px;
  height: 20px;
  background: var(--accent);
}

.plane-mark::before {
  left: 20px;
}

.plane-mark::after {
  right: 20px;
}

.cockpit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  margin-top: 8px;
}

.cockpit-grid span {
  display: grid;
  gap: 2px;
  padding: 6px;
  border-radius: 7px;
  background: var(--panel-strong);
  color: var(--muted);
  font-size: 0.68rem;
  text-align: center;
}

.cockpit-grid strong {
  color: var(--text);
  font-size: 0.92rem;
}

.gauge {
  min-width: 0;
  height: 70px;
  display: grid;
  place-items: center;
  align-content: center;
  border-radius: 7px;
  background: var(--panel-strong);
}

.gauge span,
.gauge small {
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
}

.gauge strong {
  margin-top: 2px;
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  line-height: 1;
}

.touch-controls {
  left: 16px;
  right: 16px;
  bottom: calc(122px + env(safe-area-inset-bottom));
  display: none;
  justify-content: space-between;
  align-items: end;
  pointer-events: none;
}

.steer-pad {
  position: relative;
  width: 112px;
  height: 112px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(9, 13, 17, 0.44);
  pointer-events: auto;
  touch-action: none;
}

.steer-pad span {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.86);
  transform: translate(-50%, -50%);
}

.pedals {
  display: grid;
  gap: 10px;
  pointer-events: auto;
}

.pedals button {
  width: 74px;
  height: 48px;
  background: rgba(9, 13, 17, 0.78);
}

.tilt-sensitivity {
  display: none;
  width: 130px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(9, 13, 17, 0.72);
  pointer-events: auto;
}

.tilt-sensitivity span {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 0.7rem;
  text-transform: uppercase;
}

.tilt-sensitivity input {
  width: 100%;
}

.help-panel {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(6, 10, 13, 0.46);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.help-panel.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.help-card {
  width: min(520px, 100%);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(9, 13, 17, 0.92);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(18px);
  padding: 14px;
}

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

.help-head h1 {
  margin: 0;
  font-size: 1.05rem;
}

.help-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.help-grid p {
  min-height: 62px;
  display: grid;
  align-content: center;
  gap: 5px;
  margin: 0;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.07);
}

.help-grid strong {
  font-size: 0.82rem;
}

.help-grid span {
  color: var(--muted);
  font-size: 0.8rem;
}

@media (max-width: 760px) {
  .topbar {
    top: 8px;
    left: 8px;
    right: 8px;
    display: block;
    height: 44px;
  }

  .brand {
    display: none;
  }

  .status {
    position: absolute;
    left: 0;
    right: 96px;
    min-width: 0;
    min-height: 44px;
    padding: 8px 10px;
  }

  .status span {
    display: none;
  }

  .actions {
    position: absolute;
    top: 0;
    right: 0;
    width: 88px;
    padding: 5px;
    gap: 5px;
  }

  #cameraButton,
  #missionButton,
  #weatherButton,
  #soundButton,
  #resetButton {
    display: none;
  }

  .icon-button {
    min-width: 34px;
    max-width: 38px;
    height: 32px;
    font-size: 0.74rem;
  }

  .touch-controls {
    display: flex;
    align-items: center;
  }

  .tilt-sensitivity {
    display: block;
    width: 84px;
    padding: 7px;
  }

  .hud {
    left: 8px;
    right: 8px;
    bottom: calc(8px + env(safe-area-inset-bottom));
    width: auto;
    min-height: 82px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    transform: none;
  }

  .gauge {
    height: 54px;
  }

  .gauge:nth-child(n + 3) {
    display: none;
  }

  .mission-panel {
    top: 60px;
    left: 8px;
    width: calc(100vw - 16px);
    padding: 8px;
  }

  .keyboard-panel {
    top: 126px;
    left: 8px;
    width: calc(100vw - 16px);
    padding: 7px;
  }

  .systems-panel {
    display: none;
  }

  .map-panel {
    right: 8px;
    top: 212px;
    width: 96px;
    padding: 6px;
  }

  .map-meta {
    display: none;
  }

  .training-cue {
    top: 270px;
    min-width: 0;
    width: calc(100vw - 16px);
    padding: 7px 10px;
    font-size: 0.76rem;
  }

  .keyboard-panel strong {
    display: none;
  }

  .key-grid {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .key-grid span {
    min-height: 28px;
    justify-content: center;
    padding: 4px;
  }

  .key-grid span:nth-child(n + 5) {
    display: none;
  }

  .key-grid small {
    display: none;
  }

  kbd {
    min-width: 22px;
    height: 20px;
    padding: 0 4px;
    font-size: 0.6rem;
  }

  .mission-panel strong {
    display: none;
  }

  .mission-panel span {
    font-size: 0.72rem;
  }

  .mission-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  #weatherReadout {
    display: none;
  }

  .cockpit {
    display: none;
  }

  .help-grid {
    grid-template-columns: 1fr;
  }
}