:root {
  --primary-color: #00437E;
  --secondary-color: #0084FF;
  --background-color: #f5f7fa;
  --text-color: #333;
  --border-radius: 6px;
  --font-family: "Open Sans", "Roboto", sans-serif;
}

body {
  background-color: var(--background-color);
  font-family: var(--font-family);
  color: var(--text-color);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
}

header {
  background-color: #fff;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  padding: 1rem 2rem;
  text-align: center;
}

header h1 {
  font-size: 1.8rem;
  color: var(--primary-color);
  margin: 0;
  font-weight: 600;
}

.container {
  max-width: 525px;
  width: 90%;
  background-color: #fff;
  margin: 2rem auto;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: #555;
}

select {
  padding: 0.6rem;
  font-size: 1rem;
  border-radius: var(--border-radius);
  border: 1px solid #ccc;
  background-color: #fff;
}

select:focus {
  outline: none;
  border-color: var(--secondary-color);
}

button[type="submit"] {
  padding: 0.8rem;
  background-color: var(--primary-color);
  color: #fff;
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button[type="submit"]:hover {
  background-color: var(--secondary-color);
}