@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&display=swap');

*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: radial-gradient(ellipse at center, #0a0510, #04020a);
  font-family: 'Orbitron', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(255,0,100,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 70%, rgba(168,85,247,0.06) 0%, transparent 50%);
  pointer-events: none;
}

main {
  width: 100%;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto 1fr;
  row-gap: 16px;
  place-items: center;
  padding: 16px 10px;
}

main .buttons {
  width: 100%;
  max-width: 800px;
  padding: 14px 20px;
  display: grid;
  grid-template-columns: 1fr;
  row-gap: 10px;
  place-items: center;
  background: rgba(255,0,100,0.05);
  border: 1px solid rgba(255,0,100,0.2);
  border-radius: 14px;
  z-index: 1;
}

main .buttons .bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  width: 100%;
  flex-wrap: wrap;
}

main .buttons select {
  flex-grow: 1;
  min-height: 44px;
  width: 100%;
  background: rgba(0,0,0,0.6);
  border: 1px solid rgba(255,0,100,0.3);
  border-radius: 8px;
  color: #ff0064;
  padding: 10px 12px;
  font-family: 'Orbitron', monospace;
  font-size: 0.7rem;
  line-height: 1.2;
  touch-action: manipulation;
}

main .buttons button {
  font-family: 'Orbitron', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 10px 18px;
  min-height: 44px;
  border: 1px solid rgba(255,0,100,0.35);
  border-radius: 8px;
  background: rgba(255,0,100,0.1);
  color: #ff0064;
  cursor: pointer;
  letter-spacing: 1px;
  transition: all 0.2s;
  touch-action: manipulation;
}

main .buttons button:hover {
  background: rgba(255,0,100,0.25);
  box-shadow: 0 0 14px rgba(255,0,100,0.35);
}

main .buttons .top {
  display: flex;
  justify-content: space-between;
  flex-direction: column;
  gap: 5px;
  width: 100%;
}

main .buttons .score-label {
  font-size: 0.85rem;
  color: rgba(255,0,100,0.7);
  letter-spacing: 1px;
}

main .display {
  width: min(100%, 800px);
  height: clamp(300px, 60vh, 600px);
  position: relative;
  border: 1px solid rgba(255,0,100,0.4);
  border-radius: 12px;
  cursor: crosshair;
  background: rgba(0,0,0,0.6);
  box-shadow: 0 0 30px rgba(255,0,100,0.1), inset 0 0 40px rgba(0,0,0,0.5);
  overflow: hidden;
  touch-action: none;
  z-index: 1;
}

main .display .box {
  width: clamp(20px, 4vw, 30px);
  height: clamp(20px, 4vw, 30px);
  background: radial-gradient(circle, #a855f7, #ff0064);
  position: absolute;
  cursor: pointer;
  border-radius: 50%;
  user-select: none;
  box-shadow: 0 0 12px rgba(168,85,247,0.7);
  animation: boxPulse 1s ease-in-out infinite alternate;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.1s;
}

.box:hover { transform: scale(1.15); }

@keyframes boxPulse {
  from { box-shadow: 0 0 8px rgba(168,85,247,0.5); }
  to   { box-shadow: 0 0 20px rgba(255,0,100,0.8); }
}

/* Mobile */
@media (max-width: 600px) {
  main {
    padding: 4px 6px max(8px, env(safe-area-inset-bottom));
    row-gap: 6px;
  }

  main .buttons {
    padding: 6px 8px;
    row-gap: 4px;
  }

  main .buttons .top {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 4px;
  }

  main .buttons .score-label {
    font-size: 0.65rem;
  }

  main .buttons .bottom {
    gap: 4px;
  }

  main .buttons .levels {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
    width: 100%;
  }

  main .buttons button {
    width: 100%;
    padding: 10px 4px;
    font-size: 0.55rem;
    min-height: 44px;
  }

  main .buttons select {
    min-height: 44px;
    padding: 8px;
    font-size: 0.6rem;
  }

  main .display {
    height: clamp(250px, 50vh, 420px);
    margin-bottom: 68px; /* space for mobile controls */
  }
}