* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: #f5f5f5;
  color: #222;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.auth-container {
  background: #fff;
  border-radius: 8px;
  padding: 2rem;
  width: 340px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.1);
  text-align: center;
}

.auth-container h1 {
  font-size: 1.8rem;
  color: #2c3e50;
  margin-bottom: 0.5rem;
}

.subtitle {
  color: #888;
  font-size: 0.9rem;
  margin-bottom: 1.2rem;
}

form {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin-top: 1rem;
}

input {
  padding: 0.6rem 0.8rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
}

input:focus {
  border-color: #3498db;
  box-shadow: 0 0 0 2px rgba(52,152,219,0.2);
}

button {
  padding: 0.6rem;
  background: #3498db;
  color: #fff;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
  margin-top: 0.3rem;
}

button:hover {
  background: #2980b9;
}

.error {
  color: #e74c3c;
  font-size: 0.85rem;
  margin-top: 0.3rem;
}

.hidden {
  display: none !important;
}