html,
body {
  width: var(--app-width, 100%);
  height: var(--app-height, 100%);
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  position: fixed;
  inset: 0;
  min-width: 0;
  min-height: 0;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr);
}

#adaptiveUi {
  position: fixed;
  inset: 0;
  z-index: 1000;
  width: var(--app-width, 100vw);
  height: var(--app-height, 100dvh);
  overflow: hidden;
  pointer-events: none;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

#adaptiveUi #hud {
  position: absolute;
  top: max(12px, env(safe-area-inset-top));
  left: max(12px, env(safe-area-inset-left));
  right: max(12px, env(safe-area-inset-right));
  width: auto;
  height: auto;
  transform: none;
  pointer-events: none;
}

#adaptiveUi #title {
  top: clamp(92px, 17vh, 150px);
  width: min(94vw, 1000px);
  font-size: clamp(28px, 7vw, 72px);
}

#adaptiveUi #subtitle {
  font-size: clamp(13px, 2.8vw, 26px);
}

#adaptiveUi .bigAction {
  bottom: max(72px, calc(9vh + env(safe-area-inset-bottom)));
  width: min(76vw, 620px);
  padding: clamp(13px, 2.4vw, 22px);
  font-size: clamp(24px, 5vw, 54px);
}

#adaptiveUi .switch {
  right: max(16px, env(safe-area-inset-right));
  bottom: max(62px, calc(6vh + env(safe-area-inset-bottom)));
  width: clamp(96px, 14vw, 170px);
  height: clamp(58px, 8vw, 100px);
}

#adaptiveUi #help {
  left: 50%;
  right: auto;
  bottom: max(8px, env(safe-area-inset-bottom));
  width: min(760px, calc(100vw - 24px));
  transform: translateX(-50%);
  font-size: clamp(12px, 2vw, 20px);
}

#adaptiveUi #startOverlay,
#adaptiveUi #endOverlay {
  position: absolute;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  padding-top: max(16px, env(safe-area-inset-top));
  padding-right: max(16px, env(safe-area-inset-right));
  padding-bottom: max(16px, env(safe-area-inset-bottom));
  padding-left: max(16px, env(safe-area-inset-left));
  overflow: auto;
  pointer-events: auto;
}

#adaptiveUi .dialog {
  width: min(780px, calc(100vw - 24px));
  max-width: calc(100vw - 24px);
  max-height: calc(var(--app-height, 100dvh) - 24px);
  padding: clamp(20px, 4vw, 44px);
  overflow: auto;
}

#adaptiveUi h1 {
  font-size: clamp(30px, 7vw, 70px);
}

#adaptiveUi .lead {
  font-size: clamp(17px, 3vw, 28px);
}

#adaptiveUi .bigButton {
  min-height: 52px;
  padding: 14px 30px;
  font-size: clamp(22px, 4vw, 38px);
  touch-action: manipulation;
}

#adaptiveUi #settings {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

#adaptiveUi button,
#adaptiveUi select,
#adaptiveUi label {
  touch-action: manipulation;
}

#adaptiveUi select {
  min-height: 44px;
  font-size: max(16px, 1em);
}

@media (max-width: 560px), (orientation: portrait) {
  #adaptiveUi #hud {
    gap: 8px;
  }

  #adaptiveUi #title {
    top: clamp(112px, 21vh, 190px);
  }

  #adaptiveUi .dialog {
    width: calc(100vw - 20px);
    max-width: calc(100vw - 20px);
    padding: clamp(18px, 5vw, 30px);
    border-radius: 22px;
  }

  #adaptiveUi #settings {
    gap: 8px;
    margin: 12px 0 8px;
  }

  #adaptiveUi #settings label {
    padding: 7px 10px;
  }

  #adaptiveUi .switch {
    display: none;
  }
}

@media (max-height: 480px) {
  #adaptiveUi #title,
  #adaptiveUi .bigAction {
    display: none;
  }

  #adaptiveUi .dialog {
    padding: 14px 24px;
  }

  #adaptiveUi h1 {
    margin-bottom: 8px;
    font-size: clamp(26px, 7vh, 42px);
  }

  #adaptiveUi .lead {
    margin-bottom: 10px;
    font-size: clamp(15px, 4vh, 22px);
  }
}

@media (pointer: coarse) {
  #adaptiveUi button,
  #adaptiveUi select {
    min-height: 48px;
  }
}