body {
    background-color: #121212;
    color: #ffffff;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.app {
    text-align: center;
    background-color: #1e1e1e;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 30px;
}

.lotto-numbers {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8rem;
    font-weight: bold;
    color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

#generate-btn {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.2rem;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s;
}

#generate-btn:hover {
    background-color: #0056b3;
}

#generate-btn:active {
    transform: scale(0.98);
}

.lotto-image {
    width: 200px;
    height: auto;
    border-radius: 10px;
    margin-bottom: 20px;
    opacity: 0.9;
}

.winner-section {
    margin-top: 30px;
    animation: fadeIn 0.5s ease-in;
}

.winner-section.hidden {
    display: none;
}

.winner-image {
    width: 250px;
    height: auto;
    border-radius: 10px;
    margin-bottom: 10px;
}

.winner-text {
    font-size: 1.5rem;
    color: #ffd700;
    font-weight: bold;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.contact-form {
    background-color: #1e1e1e;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    margin-top: 40px;
    max-width: 500px;
}

.contact-form h2 {
    margin-bottom: 25px;
    font-size: 1.8rem;
}

.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form input,
.contact-form textarea {
    padding: 15px;
    border: none;
    border-radius: 8px;
    background-color: #333;
    color: #fff;
    font-size: 1rem;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: #888;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: 2px solid #007bff;
}

.contact-form button {
    background-color: #28a745;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.contact-form button:hover {
    background-color: #218838;
}