:root {
    --primary-color: #f0f0f0;
    --secondary-color: #333;
    --accent-color: #ff7f50;
    --white-color: #fff;
    --container-bg: #fff;
}

[data-theme="dark"] {
    --primary-color: #333;
    --secondary-color: #f0f0f0;
    --accent-color: #ff7f50;
    --white-color: #fff;
    --container-bg: #424242;
}


body {
    font-family: sans-serif;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background-image: linear-gradient(45deg, rgba(255,255,255,0.05) 25%, transparent 25%),
                      linear-gradient(-45deg, rgba(255,255,255,0.05) 25%, transparent 25%),
                      linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.05) 75%),
                      linear-gradient(-45deg, transparent 75%, rgba(255,255,255,0.05) 75%);
    background-size: 20px 20px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    background-color: var(--container-bg);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1), 0 6px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: background-color 0.3s ease;
}

h1 {
    color: var(--accent-color);
    margin-bottom: 2rem;
}

.lotto-numbers {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.lotto-set {
    display: flex;
    gap: 1rem;
}

.lotto-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--accent-color);
    color: var(--white-color);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.generate-btn {
    background-color: var(--accent-color);
    color: var(--white-color);
    border: none;
    padding: 1rem 2rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.generate-btn:hover {
    background-color: #ff6347;
}

.theme-toggle-btn {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: background-color 0.3s ease, color 0.3s ease;
    margin-bottom: 1rem;
}

.contact-container {
    margin-top: 2rem;
    width: 100%;
    max-width: 500px;
}

.contact-container h2 {
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
    font-weight: bold;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: calc(100% - 20px); /* Adjust for padding */
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    font-size: 1rem;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group textarea:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(var(--accent-color-rgb), 0.2);
}

.contact-container .generate-btn {
    width: 100%;
    margin-top: 1rem;
}