* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: linear-gradient(#e019a1, #fff);
  background-color: #e019a1;
}

header {
  width: 100%;
  margin-top: auto;
  padding: 10px;
  text-align: center;
  background-color: #7e1e60;
  color: white;
}

header h1 {
  color: #fff;
  font-size: 16px; /* Base font size for mobile */
  line-height: 18px;
  font-weight: 700;
}

.container {
  flex: 1;
  padding: 10px; /* Base padding for mobile */
}

h1 {
  color: #000;
}

h2 {
  color: #30132b;
}

.balance {
  margin: 20px 0 40px;
}

#balance {
  font-size: 1.25rem; /* Base balance size for mobile */
}

.transaction {
  margin-bottom: 30px;
}

.transaction h3 {
  margin: 5px 0;
}

.transaction input {
  padding: 10px;
  width: 100%; /* Base width for mobile */
  margin-bottom: 10px; /* Space below input on mobile */
  border: 1px solid #ccc;
  border-radius: 5px;
}

.transaction button {
  padding: 10px 20px;
  background-color: #7e1e60;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  width: 100%; /* Full width for mobile */
}

.transaction button:hover {
  background-color: #7e1e60;
}

footer {
  width: 100%;
  margin-top: auto;
  padding: 10px;
  text-align: center;
  background-color: #7e1e60;
  color: white;
}

footer p {
  margin: 0;
}

/* Media Queries for larger screens */
@media (min-width: 481px) {
  .transaction input {
    width: 50%; /* Input width for small tablets */
  }

  .transaction button {
    width: auto; /* Button width for small tablets */
  }

  #balance {
    font-size: 1.5rem; /* Balance size for small tablets */
  }

  header h1 {
    font-size: 18px; /* Header font size for small tablets */
  }
}

@media (min-width: 769px) {
  .container {
    max-width: 90%; /* Container max width for larger screens */
    padding: 15px; /* Padding for larger screens */
  }

  header h1 {
    font-size: 20px; /* Header font size for larger screens */
  }

  #balance {
    font-size: 2rem; /* Balance size for larger screens */
  }
}