:root {
    --background-color-light: #f0f0f0;
    --text-color-light: #333;
    --container-bg-light: #ffffff;
    --number-ball-bg-light: #3498db;
    --number-ball-color-light: white;

    --background-color-dark: #333;
    --text-color-dark: #f0f0f0;
    --container-bg-dark: #444;
    --number-ball-bg-dark: #2c3e50;
    --number-ball-color-dark: white;
}

body.light-mode {
    background-color: var(--background-color-light);
    color: var(--text-color-light);
}

body.dark-mode {
    background-color: var(--background-color-dark);
    color: var(--text-color-dark);
}

body {
    font-family: sans-serif;
    display: flex;
    flex-direction: column; /* Added to stack elements vertically */
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    /* Default to light mode variables if no class is set, or for elements not explicitly themed */
    background-color: var(--background-color-light);
    color: var(--text-color-light);
}

.container {
    text-align: center;
    background-color: var(--container-bg-light); /* Default */
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

body.dark-mode .container {
    background-color: var(--container-bg-dark);
}

.numbers-container {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    justify-content: center; /* Center numbers horizontally */
}

.number-ball {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    color: var(--number-ball-color-light); /* Default */
    background-color: var(--number-ball-bg-light); /* Default */
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.2);
}

body.dark-mode .number-ball {
    color: var(--number-ball-color-dark);
    background-color: var(--number-ball-bg-dark);
}

#generate-btn, #theme-toggle {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    border: none;
    border-radius: 5px;
    background-color: #28a745; /* Green for generate */
    color: white;
    margin-top: 10px; /* Space from numbers */
}

#theme-toggle {
    background-color: #007bff; /* Blue for toggle */
    margin-left: 10px;
}

/* Adjust button styles for dark mode if needed */
body.dark-mode #generate-btn {
    background-color: #218838;
}

body.dark-mode #theme-toggle {
    background-color: #0056b3;
}

/* Contact Form Styles */
.contact-form-container {
    margin-top: 30px; /* Space from the lotto generator */
    max-width: 500px;
    width: 100%;
}

.contact-form-container h2 {
    margin-bottom: 20px;
    color: var(--text-color-light); /* Default */
}

body.dark-mode .contact-form-container h2 {
    color: var(--text-color-dark);
}

.contact-form-container form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    text-align: left;
}

.contact-form-container label {
    font-weight: bold;
    color: var(--text-color-light); /* Default */
}

body.dark-mode .contact-form-container label {
    color: var(--text-color-dark);
}

.contact-form-container input[type="text"],
.contact-form-container input[type="email"],
.contact-form-container textarea {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
    background-color: var(--container-bg-light); /* Match container bg */
    color: var(--text-color-light); /* Match text color */
}

body.dark-mode .contact-form-container input[type="text"],
body.dark-mode .contact-form-container input[type="email"],
body.dark-mode .contact-form-container textarea {
    background-color: var(--container-bg-dark);
    border-color: #555;
    color: var(--text-color-dark);
}

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

.contact-form-container button[type="submit"] {
    background-color: #ff6f00; /* Orange for submit button */
    color: white;
    padding: 10px 20px;
    font-size: 18px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.contact-form-container button[type="submit"]:hover {
    background-color: #e65100;
}

body.dark-mode .contact-form-container button[type="submit"] {
    background-color: #cc5800;
}

body.dark-mode .contact-form-container button[type="submit"]:hover {
    background-color: #b34d00;
}