/* Общие стили */
body {
  font-family: sans-serif;
  background-color: #f4f4f4;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.login-container {
  width: 100%;
  max-width: 400px;
  padding: 20px;
  box-sizing: border-box;
}

.login-box {
  background-color: #fff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

h1 {
  text-align: center;
  margin-bottom: 30px;
  color: #333;
}

.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
  color: #555;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 5px;
  box-sizing: border-box;
  font-size: 16px;
}

input[type="text"]:focus,
input[type="password"]:focus {
  outline: none;
  border-color: #007bff;
  box-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
}

.btn-primary {
  background-color: #007bff;
  color: #fff;
  padding: 14px 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
  width: 100%;
  transition: background-color 0.3s;
}

.btn-primary:hover {
  background-color: #0056b3;
}

.error-message {
  background-color: #f8d7da;
  color: #721c24;
  padding: 10px;
  border-radius: 5px;
  margin-bottom: 20px;
  text-align: center;
}

/* Адаптивность */
@media (max-width: 600px) {
  .login-container {
    padding: 10px;
  }

  .login-box {
    padding: 20px;
  }
}