/* styles.css */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

h2, h3 {
    color: #333;
}

form {
    margin-bottom: 20px;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #555;
}

input[type="text"], input[type="password"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

button {
    padding: 10px 20px;
    background-color: #007BFF;
    color: #fff;
    border: none;
    cursor: pointer;
    border-radius: 4px;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #0056b3;
}

#search-results {
    margin-top: 20px;
    width: 100%;
}

.book-entry {
    margin-bottom: 20px;
    padding: 15px;
    border: 1px solid #ccc;
    background-color: #f9f9f9;
    border-radius: 8px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
}

.book-entry p {
    margin: 0;
    line-height: 1.5;
}

hr {
    margin: 20px 0;
    border: none;
    border-top: 1px solid #ccc;
}

#login-section, #bookshelf-manager {
    width: 100%;
    max-width: 400px;
    margin: auto;
}

.hidden {
    display: none;
}

button.select-book-btn, button.edit-book-btn {
    margin-top: 10px;
    display: inline-block;
    background-color: #28a745;
}

button.select-book-btn:hover, button.edit-book-btn:hover {
    background-color: #218838;
}

button.update-book-btn {
    background-color: #ffc107;
}

button.update-book-btn:hover {
    background-color: #e0a800;
}