:root {
    --bg-color: #f0f0f0;
    --text-color: #333;
    --container-bg-color: #fff;
    --number-bg-color: #fff;
    --number-border-color: #ccc;
    --button-bg-color: #007bff;
    --button-text-color: #fff;
    --input-bg-color: #f8f8f8;
    --input-border-color: #ddd;
    --input-text-color: #333;
}

body.dark-theme {
    --bg-color: #333;
    --text-color: #f0f0f0;
    --container-bg-color: #444;
    --number-bg-color: #555;
    --number-border-color: #777;
    --button-bg-color: #0056b3;
    --button-text-color: #eee;
    --input-bg-color: #555;
    --input-border-color: #777;
    --input-text-color: #f0f0f0;
}

body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column; /* Changed to column to stack containers */
    min-height: 100vh; /* Changed from height: 100vh */
    margin: 0; /* Added margin: 0 */
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    text-align: center;
    background-color: var(--container-bg-color);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 20px; /* Added margin-bottom for spacing */
}

.numbers {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.number {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    margin: 0 5px;
    border-radius: 50%;
    background-color: var(--number-bg-color);
    border: 2px solid var(--number-border-color);
    font-size: 24px;
    font-weight: bold;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    background-color: var(--button-bg-color);
    color: var(--button-text-color);
    border: none;
    border-radius: 5px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

button:hover {
    opacity: 0.9;
}

.theme-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 8px 15px;
    font-size: 14px;
}

/* Contact Form Specific Styles */
.contact-form-container {
    width: 100%;
    max-width: 500px; /* Limit form width */
    margin-top: 20px;
}

.contact-form .form-group {
    margin-bottom: 15px;
    text-align: left;
}

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

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    width: calc(100% - 22px); /* Account for padding and border */
    padding: 10px;
    border: 1px solid var(--input-border-color);
    border-radius: 4px;
    background-color: var(--input-bg-color);
    color: var(--input-text-color);
    transition: border-color 0.3s ease, background-color 0.3s ease, color 0.3s ease;
}

.contact-form textarea {
    resize: vertical; /* Allow vertical resizing */
}

.contact-form button[type="submit"] {
    width: 100%;
    padding: 12px;
    font-size: 18px;
    margin-top: 10px;
}

/* Teachable Machine Specific Styles */
.tm-container {
    padding-top: 20px;
}

#image-upload {
    margin-top: 15px;
    margin-bottom: 10px;
    padding: 8px;
    border: 1px solid var(--input-border-color);
    border-radius: 4px;
    background-color: var(--input-bg-color);
    color: var(--input-text-color);
}

#uploaded-image {
    margin: 10px auto; /* Center the image */
    border: 2px solid var(--number-border-color);
    border-radius: 8px;
    display: block; /* To apply margin: auto */
}

#predict-button {
    margin-top: 10px;
    padding: 10px 20px;
    font-size: 16px;
}


#label-container {
    margin-top: 15px;
    font-size: 18px;
    font-weight: bold;
    color: var(--text-color);
}

#label-container div {
    margin-bottom: 5px;
    padding: 5px;
    border: 1px solid var(--input-border-color);
    border-radius: 4px;
    background-color: var(--input-bg-color);
}