body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: white;
  color: #222;
  text-align: center;
}

.hidden {
  display: none;
}

#splash {
  background: green;
  color: white;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.apple {
  width: 100px;
  margin-bottom: 20px;
}

#main {
  padding: 20px;
  border: 3px solid green;
  max-width: 600px;
  margin: auto;
  border-radius: 8px;
}

input {
  display: block;
  width: 80%;
  margin: 10px auto;
  padding: 10px;
  border: 1px solid green;
  border-radius: 5px;
}

button {
  padding: 10px 20px;
  margin: 10px;
  background: green;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background: darkgreen;
}

.section {
  border: 1px solid lightgreen;
  padding: 15px;
  margin: 20px 0;
  border-radius: 8px;
  text-align: left;
}

.section h3 {
  color: green;
}

.tabs {
  display: flex;
  gap: 10px;
}

.tab {
  flex: 1;
  padding: 10px;
  border: 1px solid green;
  border-radius: 5px;
  background: white;
  cursor: pointer;
}

.tab.active {
  background: lightgreen;
}