* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: #f4f4f4;
  margin: 0;
}

.auth-card {
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  width: 320px;
}

.auth-card h1 {
  margin-top: 0;
  font-size: 1.4rem;
}

label {
  display: block;
  margin-top: 1rem;
  font-size: 0.9rem;
  color: #333;
}

input {
  width: 100%;
  padding: 0.55rem;
  margin-top: 0.25rem;
  border: 1px solid #ccc;
  border-radius: 4px;
}

button {
  width: 100%;
  margin-top: 1.5rem;
  padding: 0.6rem;
  background: #3ecf8e;
  border: none;
  border-radius: 4px;
  color: white;
  font-weight: bold;
  cursor: pointer;
}

button:hover {
  background: #34b87d;
}

#message {
  margin-top: 1rem;
  font-size: 0.85rem;
  text-align: center;
  min-height: 1.2rem;
}

.switch-link {
  margin-top: 1rem;
  font-size: 0.85rem;
  text-align: center;
}

.switch-link a {
  color: #3ecf8e;
  text-decoration: none;
}