:root {
  --background-color: #ffffff;
  --text-color: #000000;
  --form-bg-color: #f9f9f9;
  --form-border-color: #e0e0e0;
  --input-border-color: #ccc;
  --button-bg-color: #007bff;
  --button-text-color: #ffffff;
}

body {
  background-color: var(--background-color);
  color: var(--text-color);
  transition: background-color 0.3s, color 0.3s;
  font-family: sans-serif;
  padding: 1em;
}

body.dark-mode {
  --background-color: #333333;
  --text-color: #ffffff;
  --form-bg-color: #444444;
  --form-border-color: #666666;
  --input-border-color: #888;
  --button-bg-color: #0056b3;
}

#contact-form-container {
  margin-top: 2em;
  padding: 1.5em;
  background-color: var(--form-bg-color);
  border: 1px solid var(--form-border-color);
  border-radius: 8px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

#contact-form-container h2 {
  text-align: center;
  margin-bottom: 1em;
  color: var(--text-color);
}

#contact-form-container form {
  display: flex;
  flex-direction: column;
}

#contact-form-container label {
  margin-bottom: 0.5em;
  font-weight: bold;
  color: var(--text-color);
}

#contact-form-container input[type="text"],
#contact-form-container input[type="email"],
#contact-form-container textarea {
  padding: 0.8em;
  margin-bottom: 1em;
  border: 1px solid var(--input-border-color);
  border-radius: 4px;
  background-color: var(--background-color); /* Inherit from body or specific form bg */
  color: var(--text-color);
}

#contact-form-container textarea {
  resize: vertical;
  min-height: 100px;
}

#contact-form-container button[type="submit"] {
  padding: 0.8em 1.5em;
  background-color: var(--button-bg-color);
  color: var(--button-text-color);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1em;
  transition: background-color 0.3s ease;
}

#contact-form-container button[type="submit"]:hover {
  background-color: #0056b3; /* Darker shade for hover */
}

body.dark-mode #contact-form-container button[type="submit"]:hover {
    background-color: #003e82; /* Darker shade for dark mode hover */
}