/* Center everything perfectly inside the mobile viewport */
body {
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  font-family: Helvetica, Arial, sans-serif;
  background-color: #ffffff;
}

.clicker-app {
  text-align: center;
  width: 100%;
  max-width: 480px; /* Prevents layout from over-stretching */
  padding: 20px;
  box-sizing: border-box;
}

#countLabel {
  display: block;
  font-size: clamp(6rem, 20vw, 12rem); /* Dynamic fluid sizing for phone screens */
  font-weight: bold;
  margin-bottom: 2rem;
  transition: transform 0.3s ease; /* Fast, snappy transition for instant feedback */
}

/* Stack layout cleanly without invalid float code */
#btnContainer {
  display: grid;
  grid-template-columns: 1fr; /* Default to single column for standard phones */
  gap: 16px; /* Generous physical separation to avoid mis-clicks */
}

.buttons {
  box-sizing: border-box;
  min-height: 60px; /* Creates an excellent mobile thumb target */
  padding: 16px 20px;
  font-size: 1.5rem; /* Highly legible button text on tiny screens */
  color: white;
  background-color: rgb(11, 96, 138);
  border-radius: 15px;
  cursor: pointer;
  border: none; /* Replaced invalid '0cm' statement */
  transition: background-color 0.2s ease, transform 0.1s ease;
  -webkit-tap-highlight-color: transparent; /* Erases ugly default tap overlays on iOS/Android */
}

/* Hover fixes for mobile: touch screens don't have mouse hovers */
@media (hover: hover) {
  .buttons:hover {
    opacity: 0.7;
  }
}

/* Instant haptic-like scaling response when compressed */
.buttons:active {
  transform: scale(0.95);
  background-color: rgb(8, 73, 105);
}

/* Media query adjustment if the phone is flipped horizontally */
@media (min-width: 400px) {
  #btnContainer {
    grid-template-columns: repeat(3, 1fr); /* Snaps to 3 columns on larger phone widths */
  }
  #countLabel {
    margin-bottom: 3rem;
  }
}