:root {
  color-scheme: dark;
  background: #11100e;
  font-family: system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body,
#client-shell {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  overscroll-behavior: none;
}

#client-shell {
  display: grid;
  place-items: center;
  padding: env(safe-area-inset-top) env(safe-area-inset-right)
    env(safe-area-inset-bottom) env(safe-area-inset-left);
}

#game-canvas {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  image-rendering: pixelated;
  outline: none;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
}

.app-gated #client-shell,
.app-gated #gpu-settings-toggle,
.app-gated #gpu-settings,
.app-gated #orientation-guard {
  display: none;
}

#launch-gate {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1rem;
  padding: max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right))
    max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
  background: #020503;
  color: #f5f7ef;
  text-align: center;
}

.app-running #launch-gate {
  display: none;
}

#launch-gate h1,
#launch-gate p {
  margin: 0;
}

#launch-gate h1 {
  font-size: clamp(2rem, 8vw, 4rem);
}

#launch-gate p {
  max-width: 34rem;
  color: #c8d1c9;
  line-height: 1.5;
}

#launch-gate button {
  min-height: 3rem;
  border: 1px solid #78967d;
  border-radius: 0.35rem;
  padding: 0 1.25rem;
  background: #173621;
  color: #f5f7ef;
  font: inherit;
  font-weight: 600;
}

#gpu-settings-toggle {
  position: fixed;
  z-index: 4;
  top: calc(0.5rem + env(safe-area-inset-top));
  left: calc(0.5rem + env(safe-area-inset-left));
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid rgb(255 255 255 / 35%);
  border-radius: 50%;
  background: rgb(20 18 15 / 78%);
  color: #fff;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
}

#orientation-guard {
  display: none;
}

#gpu-settings {
  position: fixed;
  z-index: 5;
  inset: calc(0.5rem + env(safe-area-inset-top)) auto auto
    calc(0.5rem + env(safe-area-inset-left));
  width: min(22rem, calc(100vw - 1rem - env(safe-area-inset-left) - env(safe-area-inset-right)));
  max-height: calc(100vh - 1rem - env(safe-area-inset-top) - env(safe-area-inset-bottom));
  overflow: auto;
  border: 1px solid #756957;
  border-radius: 0.5rem;
  background: rgb(24 22 18 / 96%);
  box-shadow: 0 0.75rem 2.5rem rgb(0 0 0 / 65%);
  color: #eee5d6;
}

#gpu-settings[hidden] {
  display: none;
}

#gpu-settings-form {
  display: grid;
  gap: 0.8rem;
  padding: 1rem;
}

#gpu-settings header,
#gpu-settings footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

#gpu-settings h1,
#gpu-settings p {
  margin: 0;
}

#gpu-settings h1 {
  font-size: 1.1rem;
}

#gpu-settings p {
  color: #bdb3a3;
  font-size: 0.75rem;
}

#gpu-settings label:not(.setting-check) {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.3rem 0.75rem;
  font-size: 0.85rem;
}

#gpu-settings label:not(.setting-check) input,
#gpu-settings label:not(.setting-check) select {
  grid-column: 1 / -1;
  width: 100%;
}

#gpu-settings select,
#gpu-settings button {
  min-height: 2rem;
  border: 1px solid #756957;
  border-radius: 0.25rem;
  background: #2e2a23;
  color: inherit;
}

#gpu-settings button {
  padding: 0.25rem 0.65rem;
  cursor: pointer;
}

#gpu-settings-close {
  border: 0 !important;
  background: transparent !important;
  font-size: 1.5rem;
}

.setting-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
}

#client-status {
  position: fixed;
  z-index: 2;
  inset: auto 1rem calc(1rem + env(safe-area-inset-bottom)) 1rem;
  margin: 0;
  max-height: 45vh;
  overflow: auto;
  padding: 0.75rem;
  border: 1px solid #8c342f;
  background: rgb(20 10 9 / 92%);
  color: #f2ddd4;
  font-size: 0.8rem;
  text-align: center;
  white-space: pre-wrap;
}

.runtime-ready #client-status {
  display: none;
}

@media (pointer: coarse) {
  #gpu-settings-toggle {
    width: 3rem;
    height: 3rem;
    font-size: 1.5rem;
  }

  #gpu-settings {
    width: min(28rem, calc(100vw - 1rem - env(safe-area-inset-left) - env(safe-area-inset-right)));
  }

  #gpu-settings-form {
    gap: 1rem;
    padding: 1.1rem;
  }

  #gpu-settings h1 {
    font-size: 1.3rem;
  }

  #gpu-settings label:not(.setting-check),
  .setting-check {
    font-size: 1rem;
  }

  #gpu-settings select,
  #gpu-settings button {
    min-height: 2.75rem;
    font-size: 1rem;
  }

  #gpu-settings input[type="checkbox"] {
    width: 1.4rem;
    height: 1.4rem;
  }

  #gpu-settings input[type="range"] {
    min-height: 2.75rem;
  }
}

@media (orientation: portrait) and (pointer: coarse) {
  .app-running #orientation-guard {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 0.75rem;
    padding: max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right))
      max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
    background: #020503;
    color: #f5f7ef;
    text-align: center;
    font-family: system-ui, sans-serif;
  }

  #orientation-guard div {
    font-size: 4rem;
    line-height: 1;
  }

  #orientation-guard h1,
  #orientation-guard p {
    margin: 0;
  }
}