/* Apply the background image to the entire app */
.stApp {
    background-image: url('https://i.postimg.cc/g2w7q0TM/books-1.jpg'); 
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed; /* Ensure the background image stays fixed */
}

/* Glassmorphism design for elements with the class "glass" */
.glass {
    background: rgba(255, 255, 255, 0.1); /* Translucent background */
    backdrop-filter: blur(10px); /* Blurring effect */
    border-radius: 10px; /* Rounded corners */
    padding: 20px; /* Spacing inside the box */
    margin: 20px; /* Space around the box */
    color: #ffffff; /* Text color */
    font-weight: bold; /* Bold text */
    text-align: center; /* Center the text */
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2); /* Add shadow */
}

/* Blurred dropdown styling */
.stSelectbox {
    background: rgba(255, 255, 255, 0.1); /* Translucent background */
    backdrop-filter: blur(8px); /* Blur effect */
    color: #ffffff; /* White text */
    font-weight: bold; /* Bold text */
    border-radius: 10px; /* Rounded corners */
    margin-top: 10px; /* Space above the dropdown */
}

/* Centered custom button container */
.custom-button-container {
    display: flex;
    justify-content: center;
    margin-top: 20px; /* Space above the button */
}

/* Centered custom button styling for "Show Recommendation" */
.custom-button {
    background: linear-gradient(135deg, #8B5E3C, #B8860B); /* Warm vintage gold-brown gradient */
    border: none;
    color: white; /* White text */
    padding: 12px 24px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 10px 5px;
    cursor: pointer;
    border-radius: 12px; /* Rounded corners for a soft vintage touch */
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.25); /* Soft, deep shadow for antique feel */
    font-family: 'Georgia', serif; /* Classic serif font for the button */
    text-transform: uppercase; /* Uppercase text for a formal touch */
    transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease; /* Smooth transitions */
}

/* Hover effect for "Show Recommendation" button */
.custom-button:hover {
    background: linear-gradient(135deg, #704214, #B8860B); /* Slightly darker gold-brown */
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3); /* Stronger shadow for depth on hover */
    transform: translateY(-2px); /* Lift effect */
}

/* Button hover styling for specific button containers */
.stButton > button:hover {
    background-color: #704214; /* Darker warm brown on hover */
    border: 1px solid #B8860B; /* Add a border on hover */
}

/* Optional: Style for text and titles */
h1, h2, h3, h4 {
    font-family: 'Georgia', serif; /* Elegant font family */
    color: #ffffff;
    text-align: center; /* Centered titles */
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5); /* Subtle text shadow for emphasis */
}

p {
    font-family: 'Georgia', serif;
    color: #ffffff;
    text-align: center;
}