body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    text-align: center;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #07070a, #3835d3);
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: 100vh;
}

h1 {
    margin: 30px 0;
    font-size: 2.5rem;
}

.language-selector {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 8px;
    padding: 10px;
}

.language-selector select {
    background: transparent;
    border: 1px solid #667eea;
    color: #fff;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.9rem;
    cursor: pointer;
    width: auto;
}

.language-selector select option {
    background: #764ba2;
    color: #fff;
}

#config, #juego {
    background: rgba(0, 0, 0, 0.6);
    padding: 20px;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    max-width: 400px;
    width: 90%;
    margin-bottom: 20px;
}

#juego { 
    display: none; 
}

label, select, input { 
    font-size: 1rem; 
    margin: 10px 0; 
    color: #667eea; 
    font-weight: 600;
}

input, select {
    padding: 8px;
    border-radius: 8px;
    border: none;
    outline: none;
    width: 90%;
    margin-top: 5px;
}

button {
    padding: 12px 20px;
    font-size: 1rem;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    margin-top: 15px;
    background: #3835d3;
    color: #fff;
    font-weight: bold;
    transition: background 0.3s;
    width: 100%;
}

button:hover {
    background: #5553eb;
}

#palabra {
    font-size: 2rem;
    font-weight: bold;
    margin: 20px 0;
    color: #ffeb3b;
}

h2 {
    margin-bottom: 10px;
    font-size: 1.5rem;
}

.adsense {
    margin-top: 20px;
}

#mensaje {
  position: fixed;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -30%);
  background: white;
  color: black;
  padding: 20px 30px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  text-align: center;
  z-index: 1000;
  display: none; /* oculto por defecto */
}

#mensaje button {
  margin-top: 15px;
  padding: 8px 16px;
  border: none;
  border-radius: 8px;
  background: #007bff;
  color: white;
  cursor: pointer;
}
#mensaje button:hover {
  background: #0056b3;
}


/* Responsive Design */
@media (max-width: 600px) {
    h1 { 
        font-size: 2rem; 
    }
    
    h2 { 
        font-size: 1.2rem; 
    }
    
    #palabra { 
        font-size: 1.5rem; 
    }
    
    .language-selector {
        position: static;
        margin-bottom: 20px;
        width: auto;
    }
}