body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: #0f111a;
  color: white;
  display: flex;
  flex-direction: column;
  height: 100vh;
}

header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 20px;
}

.logo {
  width: 60px;
  height: 60px;
  animation: rotateLogo 10s linear infinite;
}

@keyframes rotateLogo {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

h1 {
  font-size: 26px;
  margin: 0;
}

main {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-grow: 1;
  padding: 0 20px;
}

form {
  margin-bottom: 10px;
  display: flex;
  justify-content: center;
  gap: 10px;
}

input[type="text"] {
  padding: 12px;
  width: 60vw;
  max-width: 600px;
  border-radius: 8px;
  font-size: 16px;
  border: none;
}

button {
  padding: 12px 18px;
  font-size: 18px;
  background-color: #00c853;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

iframe {
  flex-grow: 1;
  width: 100%;
  border: none;
  border-radius: 0;
  height: calc(100vh - 160px); /* header + search box height */
  background: white;
}