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

body {
  background: #0f172a;
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  width: 90%;
  max-width: 400px;
  text-align: center;
}

h1 {
  margin-bottom: 20px;
}

button {
  padding: 12px;
  margin: 10px 0;
  border: none;
  background: #22c55e;
  color: white;
  border-radius: 8px;
  cursor: pointer;
  width: 100%;
}

button:hover {
  background: #16a34a;
}

.card {
  background: #1e293b;
  padding: 20px;
  border-radius: 12px;
  margin-top: 20px;
}

select, input {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
  border-radius: 8px;
  border: none;
}

#status {
  margin-top: 15px;
  font-size: 14px;
}