:root {
    --bg-color: #f0f0f0;
    --container-bg: white;
    --text-color: #333;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --number-bg: #eee;
    --button-bg: #4CAF50;
    --button-hover: #45a049;
    --nav-bg: #fff;
    --footer-bg: #fff;
}

.dark-mode {
    --bg-color: #1a1a1a;
    --container-bg: #2d2d2d;
    --text-color: #f0f0f0;
    --shadow-color: rgba(0, 0, 0, 0.5);
    --number-bg: #444;
    --button-bg: #2e7d32;
    --button-hover: #1b5e20;
    --nav-bg: #2d2d2d;
    --footer-bg: #2d2d2d;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    min-height: 100vh;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
    margin: 0;
}

/* Navigation Styles */
.top-nav {
    width: 100%;
    background-color: var(--nav-bg);
    padding: 1rem 0;
    display: flex;
    justify-content: center;
    gap: 2rem;
    box-shadow: 0 2px 5px var(--shadow-color);
    margin-bottom: 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.top-nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: bold;
    font-size: 1.1rem;
    transition: color 0.3s;
}

.top-nav a:hover, .top-nav a.active {
    color: var(--button-bg);
}

.theme-toggle {
    position: absolute;
    top: 60px;
    right: 20px;
}

lotto-generator {
    display: block;
    text-align: center;
    padding: 2.5rem;
    background-color: var(--container-bg);
    border-radius: 12px;
    box-shadow: 0 0 25px var(--shadow-color);
    transition: background-color 0.3s, box-shadow 0.3s;
    margin-bottom: 2rem;
    width: 90%;
    max-width: 500px;
}

/* Content Container for Information Pages */
.content-container {
    width: 90%;
    max-width: 800px;
    padding: 2rem;
    background-color: var(--container-bg);
    border-radius: 12px;
    box-shadow: 0 0 20px var(--shadow-color);
    margin-bottom: 3rem;
    line-height: 1.6;
}

.content-container h1, .content-container h2 {
    color: var(--button-bg);
}

.contact-form {
    margin-top: 0;
    margin-bottom: 3rem;
    padding: 2rem;
    background-color: var(--container-bg);
    border-radius: 10px;
    box-shadow: 0 0 20px var(--shadow-color);
    width: 90%;
    max-width: 400px;
    transition: background-color 0.3s, box-shadow 0.3s;
}

.contact-form h2 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    text-align: center;
    font-size: 1.5rem;
}

.form-group {
    margin-bottom: 1.2rem;
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: bold;
}

.form-group input, .form-group textarea {
    padding: 0.8rem;
    border: 1px solid var(--number-bg);
    border-radius: 5px;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s, background-color 0.3s, color 0.3s;
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--button-bg);
    box-shadow: 0 0 5px var(--button-bg);
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background-color: var(--button-bg);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s;
}

.submit-btn:hover {
    background-color: var(--button-hover);
}

.submit-btn:active {
    transform: scale(0.98);
}

.comments-section {
    margin-top: 0;
    margin-bottom: 5rem;
    padding: 2rem;
    background-color: var(--container-bg);
    border-radius: 10px;
    box-shadow: 0 0 20px var(--shadow-color);
    width: 90%;
    max-width: 800px;
    transition: background-color 0.3s, box-shadow 0.3s;
}

/* Footer Styles */
.site-footer {
    width: 100%;
    padding: 2rem 0;
    background-color: var(--footer-bg);
    text-align: center;
    box-shadow: 0 -2px 5px var(--shadow-color);
    margin-top: auto;
}

.footer-links {
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.9rem;
    transition: color 0.3s;
}

.footer-links a:hover, .footer-links a.active {
    color: var(--button-bg);
}

.site-footer p {
    font-size: 0.8rem;
    opacity: 0.7;
    margin: 0;
}

@media (max-width: 600px) {
    .theme-toggle {
        top: 60px;
        right: 10px;
    }
}