body {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100vh; /* Cambiamos min-height a height */
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    width: 100%;
    max-width: 700px;
    flex-grow: 1;
}

h1 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    transition: opacity 0.5s ease;
}

form label {
    font-size: 1.25rem;
}

form input, form button {
    font-size: 1.5rem;
    padding: 0.75rem;
}

#loading-section {
    display: none;
}

#progress-indeterminate, #progress-determinate {
    width: 100%;
    display: none;
}

#loading-text {
    font-size: 1.5rem;
    margin-top: 1rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

#result {
    display: none;
    margin-top: 20px;
    font-size: 2rem;
    font-weight: 600;
    word-wrap: break-word;
    white-space: pre-wrap;
}

#restart-btn, #share-btn {
    display: none;
    margin-top: 20px;
    font-size: 1.5rem;
    text-align: center;
    width: 100%;
}

footer {
    text-align: center;
    width: 100%;
    padding: 10px;
    line-height: 21px;
    margin-top: auto;
}

footer p {
    font-size: 14px;
    margin-bottom: 0.5rem;
}

footer small {
    font-size: 12px;
}