body {
  font-family: Tahoma, sans-serif;
  background-color: #f5f5f5;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  text-decoration: none;
}
a {
  text-decoration: none;
  color: inherit;
}
.login-container {
  width: 100%;
  max-width: 400px;
  background-color: white;
  border-radius: 5px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.18);
  padding: 30px;
}

.login-header {
  text-align: center;
  margin-bottom: 30px;
}

.login-header h1 {
  color: #333;
  font-size: 24px;
  margin-bottom: 10px;
}

.login-header p {
  color: #666;
  font-size: 14px;
  margin: 0;
}

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

.form-control {
  border-radius: 5px;
  border: 1px solid #ddd;
  padding: 12px 40px 12px 15px;
  width: 100%;
  font-size: 14px;
}

.form-control:focus {
  border-color: #4e73df;
  box-shadow: none;
}

.form-icon {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: #999;
}

.captcha-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #f8f9fa;
  border: 1px solid #ddd;
  border-radius: 5px;
  padding: 10px 15px;
  margin-bottom: 20px;
}

.captcha-refresh {
  background: none;
  border: none;
  color: #4e73df;
  cursor: pointer;
}

.btn-login {
  background-color: #4e73df;
  color: white;
  border: none;
  border-radius: 5px;
  padding: 12px;
  width: 100%;
  font-size: 16px;
  cursor: pointer;
}

.btn-login:hover {
  background-color: #2e59d9;
}

.alert {
  padding: 10px 15px;
  border-radius: 5px;
  margin-bottom: 20px;
  font-size: 14px;
}

.alert-danger {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.login-footer {
  text-align: center;
  margin-top: 20px;
  font-size: 14px;
  color: #666;
}

.login-footer a {
  color: #4e73df;
  text-decoration: none;
}
.logout {
  color: red;
  font-size: 11pt;
}