body {
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  margin: 0;
  padding: 40px;
}

.container {
  max-width: 520px;
  margin: auto;
  background: white;
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.08);
}

h1 {
  margin-top: 0;
}

h2 {
  margin-top: 30px;
}

label {
  display: block;
  margin-top: 16px;
  font-weight: bold;
}

input {
  width: 100%;
  padding: 10px;
  margin-top: 6px;
  font-size: 16px;
  box-sizing: border-box;
}

button {
  margin-top: 20px;
  width: 100%;
  padding: 12px;
  font-size: 16px;
  background: #222;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

button:hover {
  background: #444;
}

.secondary {
  background: #777;
}

.message {
  margin-top: 18px;
  font-weight: bold;
}

.success {
  color: green;
}

.error {
  color: red;
}

.hidden {
  display: none;
}

.row {
  border-bottom: 1px solid #ddd;
  padding: 12px 0;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.topbar button {
  width: auto;
  margin-top: 0;
  padding: 8px 14px;
}

.small-link {
  margin-top: 24px;
  font-size: 14px;
  text-align: center;
}

.small-link a {
  color: #333;
}