body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #121212;
    color: #e0e0e0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

.container {
    background-color: #1e1e1e;
    padding: 2rem 3rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    border: 1px solid #333;
    width: 90%;
    max-width: 800px;
    text-align: center;
}

h1, h2 {
    color: #bb86fc;
}

button {
    background-color: #03dac6;
    color: #121212;
    border: none;
    padding: 12px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
    margin: 0.5rem;
    transition: background-color 0.2s ease;
}

button:hover {
    background-color: #32fbe8;
}

#status {
    margin-top: 1rem;
    min-height: 1.2em;
    font-weight: bold;
}

.success { color: #03dac6; }
.error { color: #cf6679; }

#app-container {
    margin-top: 1.5rem;
}

#app-frame {
    width: 100%;
    height: 70vh; /* Adjust as needed */
    border: 1px solid #333;
    border-radius: 4px;
}

.hidden {
    display: none;
}