body{
    margin:0;
    font-family: Arial, Arial, Helvetica, sans-serif;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: white;
    text-align: center;
}

header{
    padding: 20px;
    background: rgba(0, 0, 0, 0.3);
}

header h1{
    margin:0;
}

button{
    padding: 10px 15px;
    border: none;
    background-color: #ff9800;
    color: white;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 10px;
}

button:hover{
    background-color: #e68900;
}

.perfil{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    padding: 30px;
}

.card{
    background: white;
    color: black;
    padding: 20px;
    border-radius: 15px;
    width: 300px;
}

.card img{
    width: 150px;
    border-radius: 50%;
}

.media{
    background: white;
    color: black;
    padding: 20px;
    border-radius: 15px;
    width: 300px; 
}

.links{
    margin: 30px;
}

.links a{
    text-decoration: none;
    color: white;
    font-weight: bold;
    margin: 15px;
    padding: 10px 15px;
    border: 2px solid white;
    border-radius: 10px;
}

.link a:hover{
    background-color: white;
    color: #1e3c72;
}

footer{
    margin-top: 40px;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
} 

.tema-oscuro{
    background: linear-gradient(132deg, #000000, #434343);
}

/* Paginación */
#contenedor-paginas {
    position: relative;
    width: 80%;
    margin: 20px auto;
}
 
.pagina {
    display: none;
    background: white;
    color: black;
    padding: 20px;
    border-radius: 10px;
    animation: fade 0.5s ease-in-out;
}
 
.pagina.activa {
    display: block;
}
 
/* Animación */
@keyframes fade {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}
 
.paginacion {
    margin: 20px;
}
 
.paginacion button {
    margin: 5px;
}
 
/* Mini evaluación */
.pagina button {
    margin: 5px;
}

.indice {
    list-style: none;
    padding: 0;
}

.indice li {
    background: #f4f4f4;
    color: #333;
    padding: 12px;
    margin: 8px 0;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.3s;
}

.indice li:hover {
    background: #ff9800;
    color: white;
    transform: translateX(5px);
}