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

body {
  background-color: #0d1117;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  font-family: 'Segoe UI', sans-serif;
  color: #ffffff;
}

#game-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 24px;
  background-color: #161b22;
  border: 1px solid #30363d;
  border-radius: 12px;
}

/*Header & Statistiche*/

#header {
  display: flex;
  gap: 24px;
  width: 100%;
  justify-content: center;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: #0d1117;
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 8px 24px;
  min-width: 100px;
}

.stat-label {
  font-size: 11px;
  color: #8b949e;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-value {
  font-size: 28px;
  font-weight: 500;
  color: #4ade80;
}

/* Canvas e Bottone */

#canvas {
  border: 1px solid #30363d;
  border-radius: 8px;
  display: block;
}

#message {
  font-size: 14px;
  color: #8b949e;
  min-height: 20px;
}

#btn-start {
  background-color: transparent;
  color: #4ade80;
  border: 1px solid #4ade80;
  border-radius: 8px;
  padding: 10px 32px;
  font-size: 15px;
  cursor:grab;
  transition: all 0.2s ease;
}

#btn-start:hover {
  background-color: #4ade80;
  color: #0d1117;
}

/* --- Tablet (max 600px) --- */
@media (max-width: 600px) {

  #game-container {
    padding: 16px;
    gap: 12px;
  }

  .stat {
    padding: 6px 16px;
    min-width: 80px;
  }

  .stat-value {
    font-size: 22px;
  }

  #btn-start {
    padding: 8px 24px;
    font-size: 14px;
  }
}

/* --- D-pad mobile --- */
#dpad {
  display: grid;
  grid-template-columns: repeat(3, 52px);
  grid-template-rows: repeat(3, 52px);
  gap: 6px;
}

.dpad-btn {
  width: 52px;
  height: 52px;
  background-color: #161b22;
  border: 1px solid #30363d;
  border-radius: 8px;
  color: #4ade80;
  font-size: 18px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.dpad-btn:active {
  background-color: #4ade80;
  color: #0d1117;
}

.dpad-empty {
  width: 52px;
  height: 52px;
}