:root {
  color-scheme: dark;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
  --glass: rgba(17, 22, 18, 0.5);
  --glass-strong: rgba(18, 24, 20, 0.68);
  --line: rgba(255, 255, 255, 0.2);
  --text: #f5f1de;
  --accent: #e5c35c;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html,
body,
#game {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #87b9df;
}

body {
  touch-action: none;
  user-select: none;
}

#game {
  position: relative;
}

#scene {
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
}

.hud {
  position: absolute;
  z-index: 5;
  color: var(--text);
  pointer-events: none;
}

.top-hud {
  top: max(14px, env(safe-area-inset-top));
  left: max(14px, env(safe-area-inset-left));
  right: max(14px, env(safe-area-inset-right));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.34);
}

.brand,
.readout {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--glass);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(12px);
}

.brand {
  padding: 0 12px 0 10px;
  font-weight: 760;
  letter-spacing: 0;
}

.brand-mark {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  background:
    linear-gradient(180deg, #6faa45 0 42%, #86613b 43% 100%);
  box-shadow:
    inset 0 2px 0 rgba(255, 255, 255, 0.25),
    inset 0 -2px 0 rgba(0, 0, 0, 0.2);
}

.readout {
  padding: 0 12px;
  font-size: 14px;
  font-weight: 700;
  color: #fff6c9;
}

.crosshair {
  position: absolute;
  z-index: 4;
  top: 50%;
  left: 50%;
  width: 26px;
  height: 26px;
  translate: -50% -50%;
  pointer-events: none;
  filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.5));
}

.crosshair::before,
.crosshair::after {
  content: "";
  position: absolute;
  background: rgba(255, 255, 255, 0.88);
  border-radius: 1px;
}

.crosshair::before {
  top: 12px;
  left: 5px;
  width: 16px;
  height: 2px;
}

.crosshair::after {
  top: 5px;
  left: 12px;
  width: 2px;
  height: 16px;
}

.start-layer {
  position: absolute;
  inset: 0;
  z-index: 8;
  display: grid;
  place-items: center;
  background: rgba(21, 31, 23, 0.18);
  pointer-events: auto;
  transition: opacity 180ms ease, visibility 180ms ease;
}

.start-layer.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.start-button {
  min-width: 132px;
  height: 52px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(245, 217, 99, 0.95), rgba(199, 145, 48, 0.95));
  color: #2b2210;
  font: inherit;
  font-size: 18px;
  font-weight: 850;
  letter-spacing: 0;
  box-shadow:
    0 16px 34px rgba(0, 0, 0, 0.34),
    inset 0 2px 0 rgba(255, 255, 255, 0.45);
  cursor: pointer;
}

.start-button:active {
  transform: translateY(1px);
}

.hotbar {
  position: absolute;
  z-index: 7;
  left: 50%;
  bottom: max(18px, env(safe-area-inset-bottom));
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 58px;
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--glass-strong);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(14px);
  translate: -50% 0;
}

.slot {
  position: relative;
  width: 58px;
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.slot::before {
  content: attr(data-key);
  position: absolute;
  top: 4px;
  left: 6px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 11px;
  font-weight: 800;
}

.slot.selected {
  border-color: rgba(255, 227, 115, 0.95);
  box-shadow:
    0 0 0 2px rgba(255, 227, 115, 0.25),
    inset 0 0 0 2px rgba(255, 227, 115, 0.2);
}

.block-swatch {
  position: absolute;
  inset: 15px 11px 10px;
  border-radius: 5px;
  box-shadow:
    inset 0 3px 0 rgba(255, 255, 255, 0.22),
    inset 0 -5px 0 rgba(0, 0, 0, 0.22),
    0 6px 12px rgba(0, 0, 0, 0.2);
}

.touch-zone {
  position: absolute;
  inset: 0;
  z-index: 6;
  display: none;
  pointer-events: none;
}

.joystick {
  position: absolute;
  left: max(24px, env(safe-area-inset-left));
  bottom: max(112px, calc(env(safe-area-inset-bottom) + 112px));
  width: 118px;
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  background: rgba(20, 25, 22, 0.42);
  box-shadow:
    inset 0 0 20px rgba(255, 255, 255, 0.06),
    0 12px 28px rgba(0, 0, 0, 0.24);
  pointer-events: auto;
  backdrop-filter: blur(8px);
}

.joystick-knob {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 48px;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 36% 28%, rgba(255, 255, 255, 0.38), transparent 28%),
    rgba(255, 245, 199, 0.78);
  box-shadow:
    0 8px 18px rgba(0, 0, 0, 0.28),
    inset 0 -5px 0 rgba(89, 68, 35, 0.16);
  translate: -50% -50%;
}

.action-pad {
  position: absolute;
  right: max(24px, env(safe-area-inset-right));
  bottom: max(96px, calc(env(safe-area-inset-bottom) + 96px));
  display: grid;
  grid-template-columns: repeat(2, 62px);
  grid-template-rows: repeat(2, 62px);
  gap: 12px;
  pointer-events: auto;
}

.round-action {
  width: 62px;
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  background: rgba(24, 30, 26, 0.54);
  color: #fff6cf;
  font: inherit;
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
  box-shadow: 0 13px 28px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(10px);
}

.round-action.primary {
  grid-row: span 2;
  align-self: center;
  background:
    linear-gradient(180deg, rgba(229, 195, 92, 0.92), rgba(167, 111, 42, 0.92));
  color: #271d0d;
}

.round-action:active,
.slot:active {
  transform: translateY(1px);
}

@media (pointer: coarse), (max-width: 860px) {
  .touch-zone {
    display: block;
  }

  .hotbar {
    grid-auto-columns: 50px;
    gap: 6px;
    padding: 7px;
    bottom: max(14px, env(safe-area-inset-bottom));
  }

  .slot {
    width: 50px;
  }

  .brand,
  .readout {
    min-height: 32px;
    font-size: 13px;
  }
}

@media (max-width: 560px) {
  .top-hud {
    gap: 8px;
  }

  .brand {
    max-width: 46vw;
    padding-right: 10px;
  }

  .readout {
    max-width: 42vw;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .hotbar {
    grid-auto-columns: 44px;
  }

  .slot {
    width: 44px;
  }

  .block-swatch {
    inset: 14px 9px 9px;
  }

  .joystick {
    width: 104px;
    bottom: max(98px, calc(env(safe-area-inset-bottom) + 98px));
  }

  .action-pad {
    grid-template-columns: repeat(2, 56px);
    grid-template-rows: repeat(2, 56px);
    right: max(16px, env(safe-area-inset-right));
    bottom: max(92px, calc(env(safe-area-inset-bottom) + 92px));
  }

  .round-action {
    width: 56px;
    font-size: 27px;
  }
}