body {
  font-family: Arial, sans-serif;
  background: #111;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  color: white;
}

.container {
  background: #1c1c1c;
  padding: 20px;
  border-radius: 12px;
  width: 450px;
  text-align: center;
  box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.6);
}

h1 {
  margin-bottom: 20px;
}

#expense-form {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

#expense-form input {
  flex: 1;
  padding: 8px;
  border: none;
  border-radius: 6px;
  background: #333;
  color: white;
  outline: none;
}

#expense-form button {
  background: #8000ff;
  color: white;
  border: none;
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
  transition: 0.3s;
}

#expense-form button:hover {
  background: #5a00b3;
}

h2 {
  margin: 15px 0;
}

#expense-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.expense-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #2a2a2a;
  padding: 10px;
  border-radius: 6px;
  margin-bottom: 10px;
}

.expense-item span {
  font-size: 14px;
}

.delete-btn {
  background: #8000ff;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 12px;
  border: none;
  color: white;
  cursor: pointer;
  transition: 0.3s;
}

.delete-btn:hover {
  background: #5a00b3;
}

#total {
  margin-top: 15px;
}

#total h3 {
  font-size: 16px;
  font-weight: bold;
}