* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: arial;
  background: #f4f4f2;
  color: #222;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: #1a1a1a;
  color: white;
}

header h1 {
  font-size: 1.2rem;
  margin: 0;
}

.download-btn {
  background: #4f8dfd;
  color: white;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.9rem;
  transition: background 0.2s ease;
}

.download-btn:hover {
  background: #3a6fd6;
}

main {
  flex: 1;
  padding: 1rem;
}

main object {
  border: 1px solid #ddd;
  border-radius: 8px;
  min-height: 85vh;
  background: white;
}