body {
    font-family: Arial, sans-serif;
    background-color: #1a1a1a;
    color: #ffffff;
    margin: 0;
    padding: 0;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
    padding: 20px;
    background: #2b2b2b;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
}

header {
    text-align: center;
    padding: 10px 0;
    background: #004d00;
    border-radius: 10px 10px 0 0;
}

header h1 {
    margin: 0;
    color: #00ff00;
}

main {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 20px;
}

.live-preview {
    flex: 1;
    min-width: 300px;
    max-width: 400px;
    padding: 10px;
    background: #003300;
    border-radius: 8px;
}

#preview-frame {
    width: 100%;
    height: 250px;
    border: none;
}

.input-section, .options, .customization, .firebase-admob, .keystore-signing {
    flex: 1;
    min-width: 280px;
    padding: 10px;
    margin: 10px;
    background: #004d00;
    border-radius: 8px;
}

label {
    display: block;
    font-weight: bold;
    color: #00ff00;
    margin-top: 10px;
}

input, select {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    border: none;
    border-radius: 5px;
}

button {
    display: block;
    width: 100%;
    padding: 10px;
    background: #00ff00;
    color: #004d00;
    font-size: 16px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background: #33ff33;
}

footer {
    text-align: center;
    padding: 10px;
    background: #004d00;
    border-radius: 0 0 10px 10px;
    margin-top: 20px;
}