:root {
  --game-size: min(90vw, 65vh, 600px);
  --bg-color: #1e4a7a;
  --text-color: #ffffff;
  --highlight: #a8c2ea;
  --color-5: #b03080;
  --color-4: #10a020;
  --color-3: #d98c25;
  --color-default: #2b4c7e;
  --gold-1: #ffd700;
  --gold-2: #ffb300;
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Courier New', Courier, monospace;
  background-color: var(--bg-color);
  color: var(--text-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
  margin: 0;
  min-height: 100vh;
}

#loading-screen {
  position: fixed;
  inset: 0;
  background-color: var(--bg-color);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 5px solid rgba(255,255,255,0.2);
  border-top: 5px solid var(--highlight);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 20px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.arcade-btn {
  background-color: #ffffff;
  color: var(--bg-color);
  border: none;
  padding: 12px 24px;
  font-size: 18px;
  font-family: inherit;
  cursor: pointer;
  font-weight: bold;
  border-radius: 4px;
  box-shadow: 0 6px 0 rgba(0,0,0,0.4);
  transition: all 0.1s;
  margin-top: 10px;
  width: 100%;
  max-width: 250px;
  transform: translateY(0);
}

.arcade-btn:hover {
  background-color: #e0e0e0;
}

.arcade-btn:active {
  box-shadow: 0 2px 0 rgba(0,0,0,0.4);
  transform: translateY(4px);
}

.mini-btn {
  padding: 6px 10px;
  font-size: 12px;
  margin: 0;
  max-width: none;
  width: auto;
  box-shadow: 0 4px 0 rgba(0,0,0,0.4);
}

.mini-btn:active {
  box-shadow: 0 2px 0 rgba(0,0,0,0.4);
  transform: translateY(2px);
}

.mini-btn-warn {
  background-color: #ffcccc;
  color: #1a1a1a;
}

.switch {
  position: relative;
  display: inline-block;
  width: 46px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: rgba(0,0,0,0.3);
  transition: .4s;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,0.2);
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 2px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--color-4);
}

input:checked + .slider:before {
  transform: translateX(20px);
}