body {
    font-family: 'Roboto', sans-serif;
    background-color: #f5f5f5;
    color: #212121;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
}

.container {
    background-color: #ffffff;
    margin: 20px;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1);
    width: 80%;
    max-width: 800px;
}

/* Typography */
h1,
h2,
h3 {
    font-weight: 500;
    color: #424242;
    margin-bottom: 20px;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

/* Form styles */
form {
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
}

label {
    font-size: 1rem;
    margin-bottom: 5px;
    color: #424242;
}

input[type="text"],
input[type="number"],
select {
    font-size: 1rem;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 4px;
    border: 1px solid #bdbdbd;
    background-color: #f5f5f5;
    transition: border-color 0.3s ease;
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus {
    border-color: #2196f3;
}

input[type="submit"] {
    background-color: #2196f3;
    color: #ffffff;
    font-size: 1rem;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

input[type="submit"]:hover {
    background-color: #1976d2;
}

/* Table styles */
.table-container {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
    min-width: 600px;
}

th,
td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

th {
    background-color: #f5f5f5;
    font-weight: 500;
}

a {
    color: #2196f3;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #1976d2;
}

.expense-form {
    display: flex;
    flex-direction: column;
}

.input-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.input-field {
    display: flex;
    flex-direction: column;
    width: 48%;
}

@media (max-width: 600px) {
    .input-group {
        flex-direction: column;
    }

    .input-field {
        width: 100%;
    }
}