body {
  font-family: "Segoe UI", Arial, sans-serif;
  margin: 0;
  background-color: #f8f9fa;
  color: #333;
}

header {
  background-color: #fff;
  border-bottom: 1px solid #ddd;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: #004080;
}
.brand-logo {
  max-height: 48px;
}
nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}
nav a {
  text-decoration: none;
  color: #004080;
  font-weight: 600;
}
nav a:hover {
  text-decoration: underline;
}

main {
  max-width: 900px;
  margin: 2rem auto;
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
  color: #555;
  margin-top: 3rem;
}

form label {
  display: block;
  margin-top: 1rem;
  font-weight: 600;
}
form input, form textarea {
  width: 100%;
  padding: 0.5rem;
  margin-top: 0.3rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
  box-sizing: border-box;
}
button {
  margin-top: 1.2rem;
  padding: 0.6rem 1.4rem;
  background-color: #004080;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
button:hover {
  background-color: #0059b3;
}

.form-status {
  margin-top: 0.8rem;
  font-size: 0.95rem;
}
.form-status.ok {
  color: #0a7a28;
}
.form-status.err {
  color: #b3261e;
}