:root {
  --bg-deep: #050718;
  --bg-mid: #121a44;
  --neon-cyan: #5cf8ff;
  --neon-magenta: #ff4ad8;
  --neon-yellow: #ffe552;
  --hud-panel: rgba(7, 13, 40, 0.8);
  --line-glow: 0 0 10px rgba(92, 248, 255, 0.45);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(120% 90% at 50% 0%, #1e3076 0%, var(--bg-mid) 45%, var(--bg-deep) 100%);
  color: #eaf7ff;
  font-family: "VT323", "Consolas", "Courier New", monospace;
}

#app {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

#gameCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

#hud {
  position: absolute;
  top: 1rem;
  left: 1rem;
  display: flex;
  gap: 0.6rem;
  z-index: 4;
  pointer-events: none;
}

.hud-chip {
  min-width: 118px;
  padding: 0.45rem 0.7rem;
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(28, 42, 87, 0.85), var(--hud-panel));
  border: 1px solid rgba(92, 248, 255, 0.38);
  box-shadow: var(--line-glow);
  text-shadow: 0 0 4px rgba(92, 248, 255, 0.35);
}

.hud-chip .label {
  display: block;
  font-size: 0.63rem;
  letter-spacing: 0.1em;
  color: #95fbff;
  opacity: 0.9;
}

.hud-chip span:last-child {
  font-weight: 700;
  font-size: 0.95rem;
}

#overlayText {
  position: absolute;
  left: 50%;
  bottom: 4.5rem;
  transform: translateX(-50%);
  text-align: center;
  z-index: 4;
  pointer-events: none;
  text-shadow:
    0 0 6px rgba(255, 74, 216, 0.55),
    0 0 10px rgba(92, 248, 255, 0.35);
}

#titleText {
  margin: 0;
  font-size: clamp(1.2rem, 3.8vw, 2.6rem);
  letter-spacing: 0.07em;
  color: var(--neon-yellow);
}

#subText {
  margin: 0.45rem 0 0;
  font-size: clamp(0.85rem, 2vw, 1.2rem);
  color: #eef9ff;
}

#hintText {
  margin: 0.45rem 0 0;
  font-size: clamp(0.72rem, 1.4vw, 0.94rem);
  color: #99f8ff;
  opacity: 0.9;
}

#touchControls {
  position: absolute;
  left: 50%;
  bottom: 1rem;
  transform: translateX(-50%);
  display: none;
  gap: 0.55rem;
  z-index: 5;
}

.control-btn {
  min-width: 74px;
  border: 1px solid rgba(92, 248, 255, 0.8);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(17, 35, 84, 0.9), rgba(11, 20, 49, 0.9));
  color: #e7fdff;
  font-family: inherit;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0.65rem 0.45rem;
  letter-spacing: 0.05em;
  box-shadow: var(--line-glow);
}

.control-btn:active {
  transform: translateY(1px);
}

@media (max-width: 980px), (pointer: coarse) {
  #hud {
    left: 0.45rem;
    top: 0.45rem;
    gap: 0.3rem;
    flex-wrap: wrap;
    max-width: calc(100vw - 0.9rem);
  }

  .hud-chip {
    min-width: 104px;
    padding: 0.38rem 0.55rem;
  }

  #overlayText {
    bottom: 6.6rem;
  }

  #touchControls {
    display: flex;
  }
}