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

body {
  background-color: #ffe6e9;
  padding: 20px;
}

#app {
  max-width: 800px;
  margin: 0 auto;
}

.container {
  display: grid;
  gap: 20px;
}

header {
  background: #ffb6c1;
  color: white;
  padding: 15px;
  border-radius: 8px;
}

.expense-form,
.balance,
.expenses-list {
  background: white;
  padding: 30px;
  border-radius: 8px;
}

.expense-form h3,
.balance h3,
.expenses-list h3 {
  color: #d14761;
}

label {
  display: block;
  margin: 10px 0 5px;
  font-weight: 600;
}

input,
select {
  width: 100%;
  padding: 8px;
  border: 1px solid #ddd;
  border-radius: 6px;
}

button {
  background: #ff6b81;
  color: white;
  border: none;
  padding: 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  transition: 0.2s;
}

button:hover {
  background: #d14761;
}

.expenses-list button {
  background: #e74c3c;
}

.expenses-list button:hover {
  background: #c0392b;
}