/* General styling */
.aes-card {
    max-width: 37.5rem;
    margin: 2rem auto;
    padding: 2rem;
    background-color: var(--container-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* Select/Input Styling */
.form-group {
    margin-bottom: 1.25rem;
}
.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--page-text);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
#process-btn {
    width: 100%;
    margin-top: 1rem;
}

/* Output styling */
.result-group {
    margin-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}
#result-box {
    font-family: 'Courier New', Courier, monospace;
    font-size: 1.05rem;
    word-break: break-all;
    padding: 1rem;
    background-color: var(--page-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    margin-top: 0.5rem;
    min-height: 3.125rem;
}

.hidden {
    display: none !important;
}