:root {
    --primary-color: #ff3b3b;
    --secondary-color: #ff9d3b;
    --background-color: #1a1a1a;
    --text-color: #ffffff;
    --shadow-color: rgba(255, 59, 59, 0.5);
}

body.light-mode {
    --primary-color: #007aff;
    --secondary-color: #34c759;
    --background-color: #f0f0f0;
    --text-color: #000000;
    --shadow-color: rgba(0, 122, 255, 0.5);
}

body {
    background-color: var(--background-color);
    background-image: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"%3E%3Cfilter id="noise"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.8" numOctaves="4" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%" height="100%" filter="url(%23noise)" opacity="0.05"/%3E%3C/svg%3E');
    color: var(--text-color);
    font-family: 'Arial', sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0;
    padding-top: 80px; /* Add padding to body to avoid content being hidden by fixed header */
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--background-color);
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    height: 60px;
}

.nav-logo {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 20px;
    margin: 0;
}

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

.nav-link:hover {
    color: var(--primary-color);
}

.theme-switch-container {
    display: flex;
    align-items: center;
}
.container {
    text-align: center;
    padding: 20px;
}

.description {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--secondary-color);
}

.content {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

h1 {
    font-size: 3rem;
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--shadow-color);
}

#generate-btn {
    background-color: var(--primary-color);
    color: var(--text-color);
    border: none;
    padding: 15px 30px;
    font-size: 1.2rem;
    cursor: pointer;
    border-radius: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px var(--shadow-color);
}

#generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px var(--shadow-color);
}

lotto-numbers {
    display: block;
    margin: 40px 0;
}

.contact-link {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 20px;
    font-size: 1.1rem;
    padding: 8px 15px;
    border: 1px solid var(--text-color);
    border-radius: 5px;
    transition: all 0.3s ease;
}

.contact-link:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 500px;
    margin: 30px auto;
    padding: 25px;
    background-color: var(--background-color);
    border-radius: 10px;
    box-shadow: 0 0 20px var(--shadow-color);
}

.contact-form label {
    font-size: 1.1rem;
    color: var(--primary-color);
    text-align: left;
    margin-bottom: 5px;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    padding: 12px;
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    background-color: #333;
    color: var(--text-color);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.contact-form input[type="text"]:focus,
.contact-form input[type="email"]:focus,
.contact-form textarea:focus {
    border-color: var(--secondary-color);
    outline: none;
}

.contact-form button[type="submit"] {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.1rem;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

.contact-form button[type="submit"]:hover {
    background-color: var(--secondary-color);
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
}