body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

form {
    width: 300px;
    display: flex;
    flex-direction: column;
}

label {
    margin-bottom: 8px;
    font-weight: bold;
}

input, textarea {
    padding: 8px;
    margin-bottom: 16px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

output {
      font-style: italic;
      display: block;
      min-height: 16px;
}
#error-output {
      color: red;
}
#info-output {
      color: blue;
}


/* Error handling for validation */
input:invalid, textarea:invalid {
  border-color: red;
}

input:required:valid, textarea:required:valid {
  border-color: green;
}

.error-flash {
  animation: flash 0.5s;
}

@keyframes flash {
  0% { background-color: #ffcccc; }
  100% { background-color: white; }
}

/* CSS Variables for Light and Dark Mode */
:root {
  --bg-color: white;
  --text-color: black;
  --input-border: #ccc;
  --button-bg: #007BFF;
  --button-text: white;
  --font-family: Arial, sans-serif;
}


/* Dark Mode */
[data-theme="dark"] {
  --bg-color: #121212;
  --text-color: #e0e0e0;
  --input-border: #444;
  --button-bg: #1E90FF;
  --button-text: #ffffff;
  --font-family: Arial, sans-serif;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
  transition: background-color 0.3s, color 0.3s, font-family 0.3s;
}

form {
  width: 300px;
  display: flex;
  flex-direction: column;
}

input, textarea {
  padding: 8px;
  margin-bottom: 16px;
  border: 1px solid var(--input-border);
  border-radius: 4px;
  background-color: var(--bg-color);
  color: var(--text-color);
}

button {
  background-color: var(--button-bg);
  color: var(--button-text);
  padding: 10px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

#theme-toggle {
  color: #007BFF;
  position: absolute;
  top: 10px;
  right: 10px;
  background: none;
  font-size: 1.5rem;
  cursor: pointer;
  border: 4px black;
}

#theme-customizer {
  position: absolute;
  top: 60px;
  right: 10px;
  background: var(--bg-color);
  padding: 10px;
  border: 1px solid var(--input-border);
  border-radius: 4px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

#theme-customizer label {
  display: block;
  margin-bottom: 5px;
}

#theme-customizer input, #theme-customizer select {
  margin-bottom: 10px;
}

#reset-theme {
  background-color: #ff4444;
  color: white;
  padding: 10px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  margin-top: 10px;
}

#reset-theme:hover {
  background-color: #cc0000;
}