* {
  box-sizing: border-box;
}

:root {
  --color-text: #333;
  --color-error-bg: #ffebee;
  --color-error-border: #ef9a9a;
  --color-error-text: #c62828;
}

body {
  font-family: sans-serif;
  background: #f5f5f5;
  color: var(--color-text);
  margin: 0;
  padding: 0;
}

/* Fehlermeldung */
.fehler {
  background-color: var(--color-error-bg);
  color: var(--color-error-text);
  border: 1px solid var(--color-error-border);
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: 6px;
  text-align: center;
}

/* Login-Box */
.login-wrapper {
  max-width: 400px;
  margin: 10vh auto;
  padding: 2rem;
  background: white;
  border-radius: 10px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  text-align: center;
}

.login-wrapper h2 {
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
  color: var(--color-text);
}

.login-wrapper input[type="text"],
.login-wrapper input[type="password"] {
  width: 100%;
  padding: 0.8rem;
  margin-bottom: 1rem;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 1rem;
}

.login-wrapper button {
  width: 100%;
  padding: 0.8rem;
  background: #007bff;
  color: white;
  font-size: 1rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.login-wrapper button:hover {
  background: #0056b3;
}