body {
  background-color: #111;
  color: #fff;
  font-family: 'Arial', sans-serif;
  text-align: center;
  margin: 0;
  padding: 0;
}

.container {
  padding: 20px;
  border: 3px solid #00ff00;
  border-radius: 15px;
  margin: 20px auto;
  max-width: 600px;
  box-shadow: 0 0 20px #00ff00;
  background-color: #000;
}

.logo {
  width: 120px;
  margin-bottom: 20px;
}

h1 {
  font-size: 24px;
  margin-bottom: 20px;
  color: #fff;
}

.input-group input {
  margin: 5px;
  padding: 10px;
  font-size: 14px;
  border-radius: 5px;
  border: none;
}

.input-group button {
  background-color: #00ff00;
  color: black;
  padding: 10px 15px;
  font-weight: bold;
  border: none;
  border-radius: 5px;
  margin: 5px;
  cursor: pointer;
}

canvas {
  margin: 20px auto;
  border: 2px solid #00ff00;
  display: block;
  background-color: #111;
}

.button-group button {
  margin: 10px;
  padding: 10px;
  font-weight: bold;
  border-radius: 5px;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
  margin-top: 20px;
  text-align: left;
}

.gallery img {
  width: 100%;
  border: 2px solid #00ff00;
  border-radius: 5px;
}

.gallery-item {
  position: relative;
}

.gallery-item .actions {
  position: absolute;
  top: 5px;
  right: 5px;
  display: flex;
  gap: 5px;
}

.gallery-item button {
  background: rgba(0, 0, 0, 0.6);
  border: none;
  color: #00ff00;
  cursor: pointer;
  padding: 2px 6px;
  font-size: 12px;
  border-radius: 3px;
}

.hidden {
  display: none;
}

.share-container {
  margin-top: 10px;
}

.leaderboard {
  margin-top: 30px;
  text-align: left;
  padding: 10px;
  border-top: 1px solid #333;
}

.leaderboard h2 {
  color: #00ff00;
}

.leaderboard ul {
  list-style: none;
  padding: 0;
}