body {
    font-family: sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f5f5f5; /* Light background for better readability */
}

.container {
    max-width: 800px;
    margin: 0 auto;
    border: 1px solid #ddd;
    padding: 20px;
    border-radius: 5px;
    background-color: #fff; /* White background for content area */
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1); /* Subtle shadow for depth */
}

h1 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 1.5em; /* Larger heading size */
}

.form {
    display: flex; /* Arrange form elements horizontally */
    flex-wrap: wrap; /* Allow elements to wrap on smaller screens */
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 15px;
    flex: 1 1 200px; /* Ensure each group has minimum width */
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold; /* Bold labels for better prominence */
}

input[type="text"],
input[type="number"],
select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 3px;
    box-sizing: border-box;
}

button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

button:hover {
    background-color: #3e8e41;
}

#expenses-container {
    margin-top: 30px;
}

h2 {
    margin-bottom: 15px;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 10px;
    border: 1px solid #ddd;
    text-align: left;
}

th {
    background-color: #f2f2f2;
}

.expense-table {
    margin-bottom: 20px; /* Spacing between tables */
}

.delete-btn {
    background-color: #f00; /* Red background for delete button */
    color: white;
    padding: 5px 10px;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

.delete-btn:hover {
    background-color: #d00; /* Darker red on hover */
}