:root {
    --background-color: #fff;
    --text-color: #333;
    --lotto-ball-color: #eee;
    --lotto-ball-text-color: #333;
    --button-bg-color: #4CAF50;
    --button-text-color: #fff;
    --input-border-color: #ccc;
    --input-bg-color: #f9f9f9;
    --header-bg-color: #f8f8f8;
    --footer-bg-color: #333;
    --footer-text-color: #fff;
    --link-color: #007bff;
    --link-hover-color: #0056b3;
    --feature-box-bg: #f2f2f2;
    --feature-box-border: #ddd;
    --blog-post-border: #eee;
}

[data-theme="dark"] {
    --background-color: #333;
    --text-color: #fff;
    --lotto-ball-color: #555;
    --lotto-ball-text-color: #fff;
    --button-bg-color: #666;
    --button-text-color: #fff;
    --input-border-color: #555;
    --input-bg-color: #444;
    --header-bg-color: #222;
    --footer-bg-color: #222;
    --footer-text-color: #ccc;
    --link-color: #8ab4f8;
    --link-hover-color: #a7c7ed;
    --feature-box-bg: #444;
    --feature-box-border: #666;
    --blog-post-border: #444;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: 'Malgun Gothic', '맑은 고딕', sans-serif;
    line-height: 1.6;
    margin: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 960px;
    margin: 20px auto;
    padding: 20px;
    flex-grow: 1; /* Allows main content to grow */
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-color);
    margin-bottom: 0.5em;
}

a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--link-hover-color);
    text-decoration: underline;
}

/* Header */
header {
    background-color: var(--header-bg-color);
    padding: 15px 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

nav {
    display: flex;
    justify-content: center;
    gap: 20px;
}

nav a {
    color: var(--text-color);
    font-weight: bold;
    padding: 5px 10px;
    border-radius: 5px;
    transition: background-color 0.3s, color 0.3s;
}

nav a:hover, nav a.active {
    background-color: var(--link-color);
    color: var(--button-text-color);
    text-decoration: none;
}

/* Footer */
footer {
    background-color: var(--footer-bg-color);
    color: var(--footer-text-color);
    text-align: center;
    padding: 20px 0;
    margin-top: auto; /* Pushes footer to the bottom */
}


/* Lotto Generator specific styles */
.lotto-numbers {
    display: flex;
    justify-content: center;
    margin: 20px 0;
}

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

#generator-btn {
    background-color: var(--button-bg-color);
    color: var(--button-text-color);
    border: none;
    padding: 10px 20px;
    font-size: 18px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#generator-btn:hover {
    opacity: 0.8;
}

.theme-switcher {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

/* Homepage specific styles */
.feature-box {
    background-color: var(--feature-box-bg);
    border: 1px solid var(--feature-box-border);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    text-align: left;
    transition: background-color 0.3s, border-color 0.3s;
}

.feature-box h2 {
    color: var(--link-color);
}

.feature-box a {
    font-size: 1.2em;
    font-weight: bold;
}

/* Blog list styles */
.blog-list .blog-post-summary {
    background-color: var(--feature-box-bg);
    border: 1px solid var(--feature-box-border);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    transition: background-color 0.3s, border-color 0.3s;
}

.blog-list .blog-post-summary h2 {
    margin-top: 0;
}

.blog-list .blog-post-summary .read-more {
    display: inline-block;
    margin-top: 10px;
    font-weight: bold;
}

/* Blog post styles */
.blog-post article {
    background-color: var(--feature-box-bg);
    border: 1px solid var(--blog-post-border);
    border-radius: 8px;
    padding: 25px;
    text-align: left;
    transition: background-color 0.3s, border-color 0.3s;
}

.blog-post header h1 {
    font-size: 2em;
    margin-bottom: 0.2em;
}

.blog-post .post-meta {
    font-size: 0.9em;
    color: #888;
    margin-bottom: 1.5em;
}

.blog-post h2 {
    font-size: 1.5em;
    margin-top: 1.5em;
    margin-bottom: 0.8em;
}

.blog-post p {
    margin-bottom: 1em;
}

/* Contact Form Styles */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 400px; /* Adjust max-width for better appearance */
    margin: 20px auto;
    padding: 20px;
    border: 1px solid var(--input-border-color);
    border-radius: 8px;
    background-color: var(--feature-box-bg); /* Use feature box bg for consistency */
    text-align: left;
    transition: background-color 0.3s, border-color 0.3s;
}

.contact-form label {
    text-align: left;
    font-weight: bold;
    margin-top: 5px;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    padding: 10px;
    border: 1px solid var(--input-border-color);
    border-radius: 4px;
    background-color: var(--input-bg-color);
    color: var(--text-color);
    width: -webkit-fill-available;
}

.contact-form button[type="submit"] {
    background-color: var(--button-bg-color);
    color: var(--button-text-color);
    border: none;
    padding: 10px 20px;
    font-size: 18px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-top: 10px;
}

.contact-form button[type="submit"]:hover {
    opacity: 0.8;
}

/* General AdSense styling */
.adsbygoogle {
    margin: 20px auto; /* Center ads and provide spacing */
    background-color: rgba(128, 128, 128, 0.1); /* Subtle background for visibility */
    padding: 10px;
    border-radius: 5px;
}