:root {
  --c-cyan:#00ccff;
  --c-green:#00ff88;
  --c-red:#ff0066;
  --c-yellow:#ffff00;
  --c-bg:#000;
  --ui-scale: 1;
}
html,body{
  margin:0;padding:0;
  color:var(--c-cyan);
  font-family:monospace;
  overflow:hidden;
  user-select:none;
}
canvas{
  display:block;
  width:100vw;
  height:100vh;
  background:#000;
  cursor:crosshair;
}
#hud{
  position:fixed;
  top:8px;left:8px;
  font-size:14px;line-height:1.4;
  text-shadow:0 0 4px #000;
  z-index:5;
  transform: scale(var(--ui-scale));
  transform-origin: top left;
}
#xpBarWrap{
  width:160px;height:10px;
  border:1px solid var(--c-cyan);
  margin-top:4px;
  position:relative;
}
#xpBarFill{
  position:absolute;inset:0;
  background:var(--c-green);
  width:0%;
}
.overlay{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,0.9);
  color:var(--c-cyan);
  display:none;
  align-items:center;
  justify-content:center;
  flex-wrap:wrap;
  gap:32px;
  padding:16px;
  text-align:left;
  z-index:10;
}
.overlayTitle{
  width:100%;
  text-align:center;
  font-size:22px;
  margin-bottom:16px;
}
.overlayBtn{
  padding:12px 24px;
  background:var(--c-cyan);
  color:#000;
  font-weight:bold;
  border:none;
  border-radius:4px;
  cursor:pointer;
}
.overlayBtn:hover{background:#00e0ff;}

.menu-container {
  max-width: 800px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  padding: 32px;
  background: rgba(0, 0, 0, 0.8);
  border-radius: 16px;
  border: 2px solid var(--c-cyan);
  box-shadow: 0 0 32px rgba(0, 204, 255, 0.3);
}

.menu-header {
  text-align: center;
}

.overlayTitle {
  font-size: 48px;
  font-weight: bold;
  margin: 0;
  text-shadow: 0 0 16px var(--c-cyan);
  background: linear-gradient(45deg, var(--c-cyan), var(--c-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-size: 18px;
  color: var(--c-green);
  margin-top: 8px;
  opacity: 0.8;
}

.menu-content {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.menu-info {
  text-align: center;
  max-width: 600px;
  font-size: 14px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.8);
}

.menu-link {
  color: var(--c-cyan);
  text-decoration: none;
}

.menu-link:hover {
  text-decoration: underline;
}

.menu-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.overlayBtn.primary {
  background: linear-gradient(45deg, var(--c-cyan), var(--c-green));
  font-size: 18px;
  padding: 16px 32px;
  box-shadow: 0 4px 16px rgba(0, 204, 255, 0.4);
  transition: all 0.3s ease;
}

.overlayBtn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 204, 255, 0.6);
}

.overlayBtn.secondary {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--c-cyan);
  color: var(--c-cyan);
  transition: all 0.3s ease;
}

.overlayBtn.secondary:hover {
  background: var(--c-cyan);
  color: #000;
  transform: translateY(-1px);
}

.overlayBtn.small {
  padding: 8px 16px;
  font-size: 14px;
}

.name-input-section {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}

#nameInput {
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  min-width: 200px;
  font-family: monospace;
  transition: border-color 0.3s ease;
}

#nameInput:focus {
  outline: none;
  border-color: var(--c-cyan);
  box-shadow: 0 0 8px rgba(0, 204, 255, 0.5);
}

#nameSaved {
  color: var(--c-green);
  font-size: 14px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

#nameSaved.show {
  opacity: 1;
}

.motd {
  padding: 16px 20px;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  border-radius: 8px;
  font-size: 14px;
  max-width: 600px;
  text-align: center;
  min-height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.settings-content {
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.setting-group {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: space-between;
}

.setting-group label {
  min-width: 120px;
  font-size: 16px;
  color: var(--c-cyan);
}

.setting-group input[type="range"] {
  flex: 1;
  max-width: 200px;
}

.setting-group select {
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  font-family: monospace;
}

.setting-group select:focus {
  outline: none;
  border-color: var(--c-cyan);
}

.credits-content {
  width: 100%;
  max-width: 500px;
  text-align: center;
}

.help-content {
  width: 100%;
  max-width: 500px;
  text-align: center;
}

.help-content p {
  margin: 16px 0;
  color: rgba(255, 255, 255, 0.9);
}

.help-content ul {
  text-align: left;
  margin: 16px auto;
  max-width: 300px;
  color: rgba(255, 255, 255, 0.9);
}

.help-content li {
  margin-bottom: 8px;
}

.credit-section {
  margin-bottom: 24px;
}

.credit-section h3 {
  color: var(--c-cyan);
  margin-bottom: 12px;
  font-size: 20px;
}

.credit-section p {
  margin: 8px 0;
  color: rgba(255, 255, 255, 0.9);
}

.credit-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.credit-section li {
  margin: 4px 0;
  color: rgba(255, 255, 255, 0.8);
}

.upgradeCard{
  width:300px;max-width:80vw;
  padding:16px;
  border:2px solid var(--c-cyan);
  background:#001122;
  border-radius:8px;
  cursor:pointer;
  transition:background .15s,transform .15s;
}
.upgradeCard:hover{background:#003366;transform:scale(1.03);}
.upgradeTitle{
  font-weight:bold;
  font-size:20px;
  margin-bottom:8px;
  text-align:center;
}
.upgradePros{color:var(--c-green);margin:8px 0;padding-left:16px;}
.upgradeCons{color:var(--c-red);margin:8px 0;padding-left:16px;}

#mobileToggle {
  transform: scale(var(--ui-scale));
  transform-origin: bottom left;
}
#joystickContainer {
  transform: scale(var(--ui-scale));
  transform-origin: bottom left;
}
#uiScaleControls {
  transform: scale(var(--ui-scale));
  transform-origin: bottom right;
}

@media (max-width: 768px) {
  #hud {
    font-size: 18px;
  }
  #mobileToggle button {
    font-size: 18px;
    padding: 12px 16px;
  }
  #joystickContainer {
    width: 160px;
    height: 160px;
  }
  #joystickHandle {
    width: 60px !important;
    height: 60px !important;
  }
}

/* small helpers used by inline elements */
#joystickContainer{display:none;position:fixed;bottom:80px;left:30px;width:120px;height:120px;z-index:999}
#joystick{width:100%;height:100%;border-radius:50%;background:rgba(255,255,255,0.1);position:relative}
#joystickHandle{width:40px;height:40px;border-radius:50%;background:#00ccff;position:absolute;left:40px;top:40px}
#uiScaleControls{position:fixed;bottom:8px;right:8px;z-index:1000;display:flex;flex-direction:column;gap:4px}
#mobileToggle{position:fixed;bottom:8px;left:8px;z-index:1000}

/* Leaderboard overlay tweaks */
#leaderboardOverlay{display:none;position:fixed;top:0;left:0;width:100vw;height:100vh;background:black;z-index:1000;flex-direction:column;align-items:center;justify-content:center;color:white}
#leaderboardList{max-height:60vh;overflow:auto;margin-bottom:1em}

/* HUD scale buttons */
#uiScaleControls button{font-size:20px;padding:4px 8px}