* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Poppins", sans-serif;
}

:root {
    --primary-color: #095c3b;
    --secondary-color: #016a3f;
    --gradient-color: linear-gradient(#91c597, #d1e8ca, #91c597);
}

.container {
    width: 100%;
    height: 100%;
    background: #a8d7ad;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

h1, h2 {
    color: #333;
}

input {
    width: calc(100% - 20px);
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
}

button {
    padding: 10px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #218838;
}

#issue-message, #return-message,#user-message {
    margin-top: 10px;
}


.book-actions {
    display: flex;
    flex-direction: column;
    margin:  auto;
    /* height: 70vh; */
    gap: 20px;
    justify-content: space-between;
    margin-top: 100px;
    padding-bottom: 50px;
}

.issue-section, .return-section,.user-section {
  
    margin: 0 300px; 
    background: #e8f5e9; 
    padding: 20px; 
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}