* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  background: linear-gradient(to bottom, rgba(210, 255, 82, 1) 0%, rgba(145, 232, 66, 1) 50%);
}

.login-container {
  width: 100%;
  max-width: 400px;
  overflow: hidden;
  background-color: white;
  border-radius: 10px;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.login-header {
  padding: 25px 20px;
  color: white;
  text-align: center;
  background: green;
}

.login-header h2 {
  font-size: 24px;
  font-weight: 600;
}

.login-form {
  padding: 30px;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: #333;
  font-weight: 500;
}

.form-group input {
  width: 100%;
  padding: 12px 15px;
  font-size: 16px;
  border: 1px solid #ddd;
  border-radius: 5px;
  transition: border-color 0.3s;
}

.form-group input:focus {
  border-color: #4a6cf7;
  outline: none;
  box-shadow: 0 0 0 2px rgba(74, 108, 247, 0.2);
}

.login-button {
  width: 100%;
  padding: 10px;
  color: white;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  background-color: green;
  border: none;
  border-radius: 5px;
  transition: background-color 0.3s;
}

.login-button:hover {
  background-color: #3a5cd8;
}

.login-button:disabled {
  cursor: wait;
  opacity: 0.7;
}

.login-footer {
  margin-top: 20px;
  color: #666;
  text-align: center;
}

.error-message {
  display: none;
  margin-top: 5px;
  color: #e74c3c;
  font-size: 14px;
}