/* HD background and form styling */
body {
      margin: 0;
      font-family: 'Segoe UI', sans-serif;
      background-color: #1a1a2e;
      color: #fff;
      display: flex;
      height: 100vh;
    }

    .sidebar {
      width: 220px;
      background-color: #0f3460;
      padding: 20px;
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    .sidebar h2 {
      font-size: 20px;
      margin-bottom: 10px;
      color: #00adb5;
    }

    .sidebar button {
      background-color: #00adb5;
      border: none;
      padding: 10px;
      color: white;
      font-weight: bold;
      cursor: pointer;
      border-radius: 5px;
    }

    .main {
      flex: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
    }

    #board {
      width: 400px;
      margin-bottom: 20px;
      box-shadow: 0 0 20px rgba(0, 173, 181, 0.5);
    }

    .player-info {
      display: flex;
      justify-content: space-between;
      width: 400px;
      margin-bottom: 10px;
      font-size: 16px;
    }

    .player-info span {
      background-color: #16213e;
      padding: 5px 10px;
      border-radius: 5px;
    }

    #status {
      font-size: 18px;
      color: #f8e71c;
    }
body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', sans-serif;
  background: url('https://images.unsplash.com/photo-1503264116251-35a269479413') no-repeat center center/cover;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.container {
  background: rgba(255, 255, 255, 0.9);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(0,0,0,0.3);
  width: 300px;
}

.login-form h2 {
  text-align: center;
  margin-bottom: 20px;
}

.login-form input,
.login-form select {
  width: 100%;
  padding: 10px;
  margin: 8px 0;
  border: 1px solid #ccc;
  border-radius: 6px;
}

.buttons {
  display: flex;
  justify-content: space-between;
}

button {
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  background-color: #0078D7;
  color: white;
  cursor: pointer;
  transition: background 0.3s ease;
}

button:hover {
  background-color: #005fa3;
}
/* Fullscreen war-themed background and form styling */
body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', sans-serif;
  background: url('https://images.unsplash.com/photo-1601758123927-196d5f3c5c1e') no-repeat center center/cover;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.form-container {
  background: rgba(0, 0, 0, 0.7);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(255,255,255,0.3);
  width: 300px;
}

.signup-form h2 {
  color: #fff;
  text-align: center;
  margin-bottom: 20px;
}

.signup-form input {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
  border: none;
  border-radius: 6px;
  font-size: 16px;
}

.signup-form button {
  width: 100%;
  padding: 10px;
  background-color: #ff4c4c;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.signup-form button:hover {
  background-color: #cc0000;
}
body {
  font-family: sans-serif;
  padding: 20px;
  background: #f0f0f0;
}

#track {
  display: flex;
  flex-wrap: wrap;
  width: 100cm; /* 100 levels, 1cm each */
  border: 2px solid #333;
  background: #fff;
  padding: 5px;
}

.level {
  width: 1cm;
  height: 1cm;
  border: 1px solid #999;
  margin: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  background: linear-gradient(to bottom, #cce, #eef);
  cursor: pointer;
}

.level:hover {
  background: #ff0;