/* ===== BASE PAGE STYLING ===== */
body {
  font-family: Arial, sans-serif; /* Clean, modern font */
  background-color: #f5f5f5;      /* Light grey background */
  margin: 0;
  padding: 0;
}

/* ===== MAIN CONTAINER (used for login box, welcome box, etc.) ===== */
.container {
  max-width: 400px; /* Keep width readable on desktop */
  margin: 50px auto; /* Center the container vertically & horizontally */
  padding: 20px;
  text-align: center;
  background-color: white;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); /* Soft shadow */
  border-radius: 8px; /* Rounded corners */
}

/* ===== HEADINGS ===== */
h1 {
  font-size: 24px;
  margin-bottom: 20px;
}

/* ===== FORM STYLING ===== */
form {
  display: flex;
  flex-direction: column;
  margin-top: 20px;
}

/* ===== LABEL STYLING ===== */
label {
  margin-bottom: 5px;
  text-align: left;
}

/* ===== INPUT FIELD STYLING ===== */
input {
  padding: 10px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

/* ===== BUTTON STYLING ===== */
button {
  padding: 10px;
  background-color: #4CAF50; /* Green */
  color: white;
  border: none;
  cursor: pointer;
  border-radius: 5px;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #45a049; /* Darker green on hover */
}

/* ===== LOGIN ERROR MESSAGE ===== */
#error-message {
  color: red;
  margin-top: 10px;
  font-weight: bold;
}

/* ===== MOBILE RESPONSIVENESS ===== */
@media (max-width: 600px) {
  .container {
    width: 90%; /* Allow the box to expand on small screens */
    padding: 10px;
  }

  h1 {
    font-size: 20px; /* Slightly smaller heading */
  }

  input,
  button {
    width: 100%; /* Full-width form elements */
    box-sizing: border-box;
  }
}