style.scss

/* RESET */
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
}

/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
	display: block;
}
body {
	line-height: 1;
}
ol, ul {
	list-style: none;
}
blockquote, q {
	quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
	content: '';
	content: none;
}
table {
	border-collapse: collapse;
	border-spacing: 0;
}

/* CSS Principal */
:root {
--font-family: 'Poppins', sans-serif;

--color-white: #f3f3f3;
--accent-left: rgb(0 0 0 / 80%);
--accent-right: rgb(75 122 110 / 70%);

--btn-background: rgb(31, 83, 100);
--btn-hover: #0c181d;
--sect-background: rgba(0, 1, 2, 0.50);
}

*,
::before
::after{
box-sizing: border-box;
}

button,
input,
textarea,
select {
    font-family: inherit;
}

body {
    font-family: var(--font-family);
    font-weight: lighter;
    line-height: 1.6;
    font-size: 16px;
    background: linear-gradient( to right, var(--accent-left), var(--accent-right)),
    url(https://images.alphacoders.com/966/966797.png);
    background-position: center;
    color: var(--color-white);
    margin: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

/* HEADER */
header{
    margin: 2rem;
    display: flex;
    padding: 1rem;
    justify-content: space-around;
    height: auto;
    align-items: center;
}

.encabezado {
    display: flex;
    align-items: center;
    font-size: 20px;
    margin: auto;
}

/*EDICION LOGO*/
i#logo-alura {
    display: flex;
    align-self: center;
    margin: 0 10px;
}

/*EDICION TITULO PRINCIPAL*/
.titulo-principal {
    display: flex;
    width: 100%;
    text-align: center;
    margin: 20px;
}

/* MAIN */
main{
    width: auto;
    margin: auto;
    display: grid;
    justify-content: space-around;
}

section {
    background: var(--sect-background);
    border-radius: 1rem;
    display: grid;
}

h2 {
    display: flex;
    justify-content: center;
    margin: 5px 0px;
    padding: 0 0;
}

.ingreso-texto-iz {
    float: left;
    padding: 30px;
    margin: 30px;
    width: 35%;
    display: inline;
}

.muestra-texto-der {
    background-image: url(https://images.unsplash.com/photo-1582266255765-fa5cf1a1d501?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1170&q=80);
    background-size: contain;
    background-position: center;
    background-color: black;
    background-repeat: no-repeat;
    float: right;
    padding: 30px;
    margin: 30px;
    width: 35%;
    opacity: 70%;
    display: inline;
}

p#mensaje-no-encontrado {
    font-size: 1vw;
    text-align: center;
}

/*TEXTAREA IZQ*/
textarea#texto-codigo {
    margin-top: 2rem;
    border: none;
    color: var(--color-white);
    background: transparent;
    width: 100%;
    margin-top: 0;
    height: auto;
}

/* CCS Botones*/
input {
    border-radius: 5px;
    padding: 5px;
    margin: 0 5px;
    place-self: center;
    cursor: pointer;
}

.btn {
    display: flex;
    width: 100%;
    justify-content: center;
    border-radius: 10px;
    margin: 10px 0 0 0;
    padding: 0;
}

/* Boton DER */
input.btn-encriptar{
    float: left;
    background: var(--btn-background);
    color: var(--color-white);
    width: 35%;
    align-self: flex-end;
}

input.btn-encriptar:hover{
    background-color: var(--btn-hover);
    border: 3px solid #a7f8ec;
    opacity: 70%;
    transition: 0.5s;
    
}

input.btn-desencriptar {
    background: var(--btn-background);
    color: var(--color-white);
    width: 35%;
    float: right;
}

input.btn-desencriptar:hover{
    background-color: var(--btn-hover);
    border: 3px solid #dab97c;
    opacity: 70%;
    transition: 0.5s;
}

/*TEXTAREA DER*/
textarea#area-mensaje {
    border: none;
    color: var(--color-white);
    background: transparent;
    width: 100%;
    margin-top: 0;
    height: auto;
}

/* Animacion h2#mostrar-text*/
@keyframes fade-inout{
    0%{ opacity: 1;}
    100%{opacity: 0;}
}
        
h2#mostrar-texto{
    animation: fade-inout 1s infinite alternate;
}
    
/* Boton DER */
input.btn-copiar{
    display: flex;
    background: var(--btn-background);
    color: var(--color-white);
    width: 35%;
    justify-content: center;
    align-self: flex-end;
}

input.btn-copiar:hover{
    background-color: var(--btn-hover);
    border: 3px solid #d46b8c;
    opacity: 70%;
    transition: 0.5s;
}

/* FOOTER */
footer {
    width: auto;
    padding: 10px;
    display: flex;
    margin: 35px 35px 35px 35px;
    padding: 1rem;
    align-content: stretch;
    place-content: center;
}

footer > span {
    display: flex;
    justify-content: center;
    font-size: 0.9em;
    color: var(--color-white);
    animation: 3s ease-in-out 0s infinite normal none running glow;
    margin: 0 10px;
}

a{
    color: var(--color-white);
}

div#div {
    cursor: pointer;
}

i.fa-brands.fa-facebook.fa-bounce {
    margin: 0 10px;
}

i.fa-brands.fa-linkedin.fa-bounce {
    margin: 0 10px;
}

/*Glow Span Effect*/
@keyframes glow{
	10%, 70%{
	color: var(--color-white);
	text-shadow: 0 0 5px rgb(0, 238, 255), 0 0 10px rgb(0, 140, 255), 0 0 15px rgb(0, 140, 255);
}
}
.swal-wide{
    width:auto;
}

/* Media */
@media screen and (max-width: 1141px) {
    .encabezado { margin: 20px; }
    body { width: auto; }
    footer { width: 90%; }
    .div-section { display: grid; }
    input { font-size: 18px; padding: 0px; min-inline-size: max-content; }
    section { width: auto; }
    .ingreso-texto-iz { width: auto; }
    .muestra-texto-der { width: auto; }
    div#div { display: flex; }
    main { width: auto; }
    textarea{font-size:20px;}
}

@media screen and (max-width: 950px) {
    header{ margin: 1rem}
    body{ width: auto;}
    footer{ width: 90%;}
    .div-section { display: grid;}
    input{ padding: 10px; font-size: 20px;; min-inline-size: max-content;}
    section { width: auto; font-size: 25px;}
    .ingreso-texto-iz{ width: auto;}
    .muestra-texto-der{ width: auto;}
    div#div { display: flex;}
    main{ width: auto;}
}

@media screen and (max-width: 540px) {
    header{ margin:0;}
    .encabezado{ margin: 20px;}
    body{ width: auto;}
    footer{ width: auto;}
    .div-section { display: grid;}
    input{ font-size: 15px; padding: 0; min-inline-size: max-content;}
    section{ width: auto;}
    .ingreso-texto-iz{ width: auto;}
    .muestra-texto-der{ width: auto;}
    div#div { display: flex;}
    div#div { display: flex;}
    main{ width: auto;}
}

@media screen and (max-width: 440px) {
    header{ margin: 0;}
    body { padding: 0.625rem; width: auto;}
    main {width: auto;}   
    .encabezado{ margin: 15px;}
    footer{width: auto;}
    input{padding: 5px; }
}