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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #0a0a0a;
  display: flex;
  align-items: center;
  justify-content: center;
}

#game-canvas {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  display: block;
  max-width: 100vw;
  max-height: 100vh;
}

/* Admin/testing panel */
#admin-panel {
  position: fixed;
  top: 12px;
  right: 12px;
  background: rgba(20, 20, 30, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  padding: 12px 14px;
  color: #ccc;
  font: 12px/1.4 monospace;
  z-index: 100;
  min-width: 180px;
}

.admin-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #f8c537;
  margin-bottom: 10px;
}

.admin-section {
  margin-bottom: 8px;
}

.admin-label {
  font-size: 10px;
  color: #888;
  margin-bottom: 4px;
}

.admin-buttons {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.admin-buttons button {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  color: #aaa;
  font: 11px monospace;
  padding: 3px 8px;
  cursor: pointer;
}

.admin-buttons button:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.admin-buttons button.admin-active {
  background: rgba(248, 197, 55, 0.25);
  border-color: #f8c537;
  color: #f8c537;
}

#admin-locale {
  width: 100%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  color: #ccc;
  font: 11px monospace;
  padding: 4px 6px;
}

/* Responsive admin panel for small screens */
@media (max-width: 600px) {
  #admin-panel { top: 4px; right: 4px; padding: 8px 10px; min-width: 140px; font-size: 10px; }
  .admin-title { font-size: 9px; margin-bottom: 6px; }
  .admin-label { font-size: 8px; }
  .admin-buttons button { font-size: 9px; padding: 2px 6px; }
  #admin-locale { font-size: 9px; }
}

@media (max-width: 400px) {
  #admin-panel { top: auto; bottom: 4px; right: 4px; left: 4px; min-width: unset; }
}