/* Basic styles */
body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

/* Theme variables */
:root {
    --background-color: #f4f4f4;
    --text-color: #333;
    --container-bg: #fff;
    --button-bg: #007bff;
    --button-text: #fff;
    --lotto-number-bg: #e9ecef;
    --lotto-number-text: #333;
    --border-color: #ddd;
}

body.dark-mode {
    --background-color: #2c2c2c;
    --text-color: #f4f4f4;
    --container-bg: #3c3c3c;
    --button-bg: #0056b3;
    --button-text: #f4f4f4;
    --lotto-number-bg: #555;
    --lotto-number-text: #f4f4f4;
    --border-color: #444;
}

.container {
    background-color: var(--container-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: background-color 0.3s, border-color 0.3s;
    position: relative; /* For positioning the toggle button */
}

h1 {
    color: var(--text-color);
    margin-bottom: 20px;
}

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

button:hover {
    background-color: #0056b3;
}

.lotto-numbers-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 20px;
    gap: 10px;
}

.lotto-number {
    background-color: var(--lotto-number-bg);
    color: var(--lotto-number-text);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    font-weight: bold;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

/* Theme Toggle Button Styles */
.theme-toggle {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

.theme-toggle:hover {
    background-color: var(--lotto-number-bg);
}

.theme-toggle .icon {
    font-size: 18px;
}

.theme-toggle .text {
    display: none; /* Hide text on smaller screens if needed, or always visible */
}

/* Responsive adjustments for the toggle button */
@media (min-width: 600px) {
    .theme-toggle .text {
        display: inline; /* Show text on larger screens */
    }
}