:root {
  --background-color: #ffffff;
  --text-color: #000000;
  --form-background-color: #f0f0f0;
  --form-border-color: #cccccc;
  --button-background-color: #007bff;
  --button-text-color: #ffffff;
}

body {
  background-color: var(--background-color);
  color: var(--text-color);
  font-family: sans-serif;
  margin: 20px;
}

body.dark-mode {
  --background-color: #000000;
  --text-color: #ffffff;
  --form-background-color: #333333;
  --form-border-color: #555555;
  --button-background-color: #0056b3;
}

section {
  margin-top: 40px;
  padding: 20px;
  border: 1px solid var(--form-border-color);
  border-radius: 8px;
  background-color: var(--form-background-color);
}

form p {
  margin-bottom: 15px;
}

form label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

form input[type="text"],
form input[type="email"],
form textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--form-border-color);
  border-radius: 4px;
  box-sizing: border-box; /* Ensures padding doesn't increase total width */
  background-color: var(--background-color);
  color: var(--text-color);
}

form textarea {
  resize: vertical; /* Allow vertical resizing */
  min-height: 100px;
}

form button[type="submit"] {
  background-color: var(--button-background-color);
  color: var(--button-text-color);
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
}

form button[type="submit"]:hover {
  opacity: 0.9;
}