body {
  font-family: Arial, sans-serif;
  background: #111827;
  color: #ffffff;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 720px;
  margin: 50px auto;
  background: #1f2937;
  padding: 24px;
  border-radius: 12px;
}

input, textarea, select, button {
  width: 100%;
  margin-top: 8px;
  margin-bottom: 16px;
  padding: 12px;
  border-radius: 8px;
  border: none;
  box-sizing: border-box;
}

button {
  cursor: pointer;
  background: #2563eb;
  color: white;
  font-weight: bold;
}

.error {
  background: #7f1d1d;
  color: #fecaca;
  padding: 10px;
  border-radius: 8px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

a {
  color: #93c5fd;
  text-decoration: none;
}