* {
  box-sizing: border-box;
}
#overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 9998;
}

.loader {
  border: 8px solid #f3f3f3;
  border-top: 8px solid #3498db;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  animation: spin 2s linear infinite;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 9999;
  background-color: rgba(0, 0, 0, 0.5);
}

body {
  background-color: #f0f0f0;
  margin: 0;
  font-family: Arial, sans-serif;
}

.header {
  background: #041049;
  color: #ffffff;
  padding: 10px;
  text-align: center;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.container {
  background: #f0f0f0;
  border-radius: 20px;
  box-shadow: -10px -10px 20px #ffffff, 10px 10px 20px #d3d3d3;
  padding: 20px; /* Reduced padding */
  max-width: 400px;
  width: 90%;
  margin: auto;
  margin-top: 50px;
}

.logo img {
  width: 150px;
  height: auto;
  border-radius: 10px;
  margin-bottom: 20px;
  margin-left: auto;
  margin-right: auto;
  display: block;
}

.form-group {
  margin-bottom: 15px; /* Reduced margin */
}

  .form-group input {
    width: 100%;
    padding: 12px; /* Reduced padding */
    border: none;
    border-radius: 10px;
    background-color: #f0f0f0;
    box-shadow: inset -5px -5px 10px #ffffff, inset 5px 5px 10px #d3d3d3;
    outline: none;
    font-size: 16px; /* Reduced font size */
    color: #333;
  }

.captcha {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

  .captcha span {
    color: #333;
    font-size: 22px;
    margin-right: 5px;
  }

  .captcha input {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 10px;
    background-color: #f0f0f0;
    box-shadow: inset -5px -5px 10px #ffffff, inset 5px 5px 10px #d3d3d3;
    outline: none;
    font-size: 18px;
    color: #333;
  }

.error-message {
  color: red;
  margin-top: 15px; /* Reduced margin */
  font-size: 14px; /* Reduced font size */
  text-align: center;
}

.login-button {
  width: 100%;
  padding: 15px;
  border: none;
  border-radius: 10px;
  background-color: #7e4c27;
  color: #ffffff;
  font-size: 18px;
  cursor: pointer;
  transition: background-color 0.3s;
}

  .login-button:hover {
    background-color: #7e4c27;
  }

@@media screen and (max-width: 500px) {
  .container {
    border-radius: 0;
    box-shadow: none;
  }

  .header h1 {
    font-size: 20px;
  }

  .logo img {
    width: 120px;
  }

  .captcha input {
    padding: 10px;
    font-size: 14px; /* Adjusted font size */
  }
}