body {
  font-family: Arial, sans-serif;
  background-color: #f0f8ff;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  background-color: #ffffff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  max-width: 500px;
  width: 80%;
  margin-bottom: 10px;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.header img {
  width: 50px;
  height: 50px;
  margin-right: 10px;
}

.header .logo-title {
  display: flex;
  align-items: center;
}

.header h2 {
  font-size: 20px;
  margin: 0;
}

.header h1 {
  font-size: 15px;
  margin: 0;
  text-align: right;
}

label {
  display: block;
  margin-top: 10px;
  font-weight: bold;
}

input[type="number"],
select,
button {
  margin-top: 5px;
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
  box-sizing: border-box;
}

button {
  background-color: #4caf50;
  color: white;
  border: none;
  cursor: pointer;
}

button:hover {
  background-color: #45a049;
}

.result {
  margin-top: 15px;
  font-size: 15px;
  text-align: center;
}

.footer {
  font-size: 15px;
  margin-top: 20px;
  text-align: center;
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 10px;
}

.footer a {
  color: #007bff;
  text-decoration: none;
  cursor: pointer;
}

.footer span {
  font-size: 12px;
}

.modal {
  display: none;
  position: fixed;
  z-index: 1;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.4);
  padding-top: 60px;
}

.modal-content {
  background-color: #fefefe;
  margin: 5% auto;
  padding: 20px;
  border: 1px solid #888;
  width: 80%;
  max-width: 500px;
  border-radius: 10px;
}

.close {
  color: #aaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
}

.close:hover,
.close:focus {
  color: black;
  text-decoration: none;
  cursor: pointer;
}