body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f4f6f9;
}

nav {
  background: #111827;
  padding: 14px 30px;
  display: flex;
  gap: 24px;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: 600;
}

nav a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1000px;
  margin: 40px auto;
  background: white;
  padding: 32px;
  border-radius: 10px;
}

.row {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
}

input {
  padding: 8px;
  width: 100%;
}

button {
  padding: 10px 18px;
  font-size: 16px;
  cursor: pointer;
  margin-top: 10px;
}