:root {
    --background-color: #1a1a1a;
    --card-background: #2a2a2a;
    --primary-color: #ffde00;
    --text-color: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.5);
    --glow-color: rgba(255, 222, 0, 0.7);
}

body {
    font-family: 'Arial', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-image: linear-gradient(rgba(0,0,0,0.2), rgba(0,0,0,0.2)), url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADIAAAAyCAYAAAAeP4ixAAAAnElEQVR42u3RMQEAAAgDoC25/z8GgZloAStJkv4/wI8K8BOF+AlC/IQhfsIQPyGITxDiJwjxE4T4CUJ8hCA+QYifIMRPEOInCPEThPgJQnyEID5BiJ8gxJ8gxE8Q4icI8ROExCE+QYifIMSfIMRPEOInCPEThPgJQnyEID5BiJ8gxE8Q4icI8RGE+AlCfIQgPkGInyDEnxD/BwAkfQl4Ayu+GAAAAABJRU5ErkJggg==');
}

.container {
    background-color: var(--card-background);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 20px var(--shadow-color), 0 0 40px rgba(0,0,0,0.5);
    width: 90%;
    max-width: 500px;
}

h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-shadow: 0 0 10px var(--glow-color);
}

.lotto-numbers-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.lotto-set {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.lotto-set h3 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin: 0;
}

.lotto-balls {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.controls {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.controls label {
    font-size: 1rem;
}

.controls input {
    width: 60px;
    padding: 5px;
    font-size: 1rem;
    border-radius: 5px;
    border: 1px solid var(--primary-color);
    background-color: var(--card-background);
    color: var(--text-color);
    text-align: center;
}

#generate-btn {
    background-color: var(--primary-color);
    color: #000;
    border: none;
    padding: 15px 30px;
    font-size: 1.2rem;
    font-weight: bold;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px var(--glow-color);
}

#generate-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 25px var(--glow-color);
}

@media (max-width: 600px) {
    .container {
        padding: 20px;
    }
    h1 {
        font-size: 2rem;
    }
    .lotto-numbers-container {
        gap: 10px;
    }
    #generate-btn {
        padding: 12px 25px;
        font-size: 1rem;
    }
}

.contact-link {
    margin-top: 30px;
    font-size: 1rem;
}

.contact-link a, .back-to-home a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.contact-link a:hover, .back-to-home a:hover {
    color: var(--text-color);
}

form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 30px;
}

.form-group {
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 1.1rem;
    color: var(--primary-color);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: calc(100% - 20px);
    padding: 10px;
    border-radius: 8px;
    border: 1px solid var(--primary-color);
    background-color: var(--card-background);
    color: var(--text-color);
    font-size: 1rem;
    box-sizing: border-box;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group textarea:focus {
    outline: none;
    box-shadow: 0 0 10px var(--glow-color);
}

.submit-btn {
    background-color: var(--primary-color);
    color: #000;
    border: none;
    padding: 15px 30px;
    font-size: 1.2rem;
    font-weight: bold;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px var(--glow-color);
    align-self: center;
    width: fit-content;
}

.submit-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 25px var(--glow-color);
}