* {
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  margin: 0;
  background: #151522;
  color: white;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  padding: 12px;
  background: #1f1f35;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

h1 {
  margin: 0;
  font-size: 20px;
}

form {
  display: flex;
  gap: 8px;
}

input {
  flex: 1;
  padding: 10px;
  border-radius: 8px;
  border: none;
  font-size: 15px;
}

button {
  padding: 10px 16px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  background: #6c63ff;
  color: white;
  font-size: 15px;
}

button:hover {
  background: #5a52e0;
}

main {
  flex: 1;
}

iframe {
  width: 100%;
  height: 100%;
  border: none;
  background: white;
}