style.css

@import url('https://fonts.googleapis.com/css2?family=Roboto&display=swap');
*{
  padding: 0px;
  margin: 0px;
  box-sizing: border-box;
  text-rendering: optimizeLegibility;
  font-family: 'Roboto', sans-serif,Arial, Helvetica;
  transition: all 100ms ease-out;
}

html{
  font-size: 83%;
}

:root{
  --userMessageBackground: #015E4B;
  --botMessageBackground:  #1C2D35;
  --timeMessageColor: #95c2bd;
  --headerInputColor:#252e33;
  --backgroundColor: #0f1b22;
  --placeholderColor: #707980;
  --SendButtonColor:#02AF9C;
  --titleTextColor: #f5eded;
  --perfilColor1:#1573FE;
  --perfilColor2:#030E1E;
  --maxWidth: 590px;
  --minHeight: 914;
}

#app{
  margin: 0 auto;
  width: 100%;
  height: calc(100vh - 56px);
  max-width: var(--maxWidth); 
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  box-shadow: 0px 0px 8px #000000b4;
  background-color: var(--backgroundColor);
  background-image: url(./assets/backgroundTexture.png);
  background-position: center;
  background-attachment: fixed;
  background-repeat: no-repeat;
  background-size: cover;
}

header{
  background-color: var(--headerInputColor);
  box-shadow: 0px 5px 5px rgb(00,00,00,0.6);
  width: 100%;
  height: 60px;
  padding: 7px 7px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  flex-wrap: nowrap;
  gap: 5px;
  user-select: none;
}
figure{
  position: relative;
}

.link-perfil{
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  gap: 7px;
  text-decoration: none;
}
.link-perfil:active{
  background-clip: text;
  background-color: rgb(47, 66, 79);
}

.image-perfil{
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-image: url(./assets/hacker.jpg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-origin: content-box;
}
.group-online{
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
figcaption{
  text-align: center;
  font-size: 1.1rem;
  font-weight: bold;
  color: var(--titleTextColor);
  text-transform: uppercase;
  padding: 5px;
}
.group-online strong{
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--timeMessageColor);
  text-align: center;
}

.options-icon{
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}


.options-icon .material-symbols-outlined{
  font-weight: bolder;
  color: var(--titleTextColor);
}
.options-icon .material-symbols-outlined:hover{
  color: #3bdb26;
  cursor: pointer;
}
.options-menu ul{
  list-style-type: none;
}

.options-menu{
  display: none;
  position: absolute;
  right: 0px;
  top: 30px;
  background-color: var(--headerInputColor);
  box-shadow: 
  0px 0px 5px #000,
  inset 0px 0px 10px #2a2c2e;
  width: max-content;
  padding: 5px;
}
.menu{
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.menu li{
  font-weight: 600;
  font-size: 1rem;
  padding: 6px;
}
.menu li:hover{
  background-color: #1e2227;
}

.menu li a {
  text-decoration:none;
  color: var(--titleTextColor);
}

main{
  width: 100%;
  flex-grow: 1;
  max-height: 77vh;
  height: 100%;
  box-shadow: inset 0px 0px 10px rgb(00,00,00,0.4);
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  flex-direction: column;
  flex-shrink: 0;
  gap: 12px;
  padding: 10px;
  padding-top: 40px;
  overflow-y: auto;
}

.group-message{
  animation: fadeIn 300ms ease-in-out;
  width: auto;
  text-align: start;
  padding: 10px;
  height: auto;
  max-width: 295px;
}

.group-message h3{
  text-transform: capitalize;
  font-weight: 600;
  text-align:left;
  display: inline-block;
  font-size: 1rem;
  margin-bottom: 7px;
  user-select: none;
}
.group-message p{
  font-size: 1rem;
  line-height: 1.2rem;
  color: var(--titleTextColor);
}

.group-message li{
  font-size: 1rem;
  color: var(--titleTextColor);
  margin-left: 20px;
}

.group-message time{
  display: block;
  font-weight: bold;
  font-size: 0.75rem;
  margin-top: 5px;
  text-align: right;
  color: var(--timeMessageColor);
  user-select: none;
}

#botMessage{
  border-top-right-radius: 10px;
  border-bottom-left-radius: 10px;
  border-bottom-right-radius: 10px;
  align-self: flex-start;
  background-color: var(--botMessageBackground);
}

#usuario h3::before{
  content: " ";
  vertical-align: 0;
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background-color: #ffff00;
}

#usuario{
  border-top-left-radius: 10px;
  border-bottom-right-radius: 10px;
  border-bottom-left-radius: 10px;
  align-self: flex-end;
  background-color: var(--userMessageBackground);
}


#usuario h3{
  color: rgb(241, 255, 39);
}

.group-sendMessage{
  background-color:var(--backgroundColor);
  border-top: 1px solid var(--headerInputColor);
  display: flex;
  flex-direction: row;
  justify-content: center;
  width: 100%;
  height: 60px;
  align-items: center;
  gap: 5px;
  padding: 10px;
  user-select: none;
 }

 textarea{
  width: 100%;
  height: 40px;
  padding: 10px;
  white-space: pre-wrap;
  border-radius: 20px;
  font-size: 1rem;
  border: none;
  outline: none;
  background-color: var(--headerInputColor);
  color: var(--titleTextColor);
  resize: none;
  font-size: 1rem;
}

textarea::placeholder,
textarea::-webkit-input-placeholder {
    color: var(--placeholderColor);
    font-weight: 500;
    padding: 1px;
}

textarea::-webkit-scrollbar{
  display: none;
  background-color: #202124;
  width: 20px;
}

button{
  font-weight: bolder;
  background-color: var(--SendButtonColor);
  border-radius: 20%;
  border: none;
  cursor: pointer;
  outline: none;
  font-size: 1rem;
  padding: 5px 10px;
  transition:  background-color 200ms ease-out;
}
button:hover{
  background-color: rgb(4, 114, 141);
}
.material-symbols-outlined{
  color: #fff;
}

a{
  text-decoration: none;
  color: #569fff;
  font-size: 1rem;
  font-weight: 500;
  padding: 0px 5px;

}
#app main a:hover{
  background-color: #0b3744 ;
}

.emoji-button{
  position: relative;
  display: block;
  background-color: var(--SendButtonColor);
  width: 40px;
  flex-shrink: 0;
  cursor: pointer;
  height: 35px;
  border-radius: 50%;
  font-size: .8rem;
  display: grid;
  justify-content: center;
  align-content: center;
}
.emoji-button:hover{
  background-color: #14596e;
}

.keyboard-emojis{
  display: none;
  position: absolute;
  bottom: 40px;
  border: 1px solid rgba(255, 255, 255, 0.486);
  padding: 10px;
  border-radius: 10px;
  text-align: center;
  flex-direction: row;
  justify-content: center;
  max-height: 300px;
  min-width: 250px;
  flex-wrap: wrap;
  overflow-x: auto;
  gap: 5px;
  max-height: 100px;
  border: 1px solid rgba(0, 121, 201, 0.623);
}

.emoji{
  background-color: var(--backgroundColor);
  flex-basis: 30px;
  text-align: center;
  font-size: 1.3rem;
  padding: 10px;
}
.emoji:hover{
  background-color: #00c3ff7a;
}

@keyframes write {
  from {
    width: 0px;
  }
  to {
    width: 100%;
  }
}

.writing {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  animation-name: write;
  animation-fill-mode: forwards;
  animation-duration: 1.3s;
  animation-timing-function: ease-out;
  animation-iteration-count: infinite;
}

audio{
  background-color: var(--botMessageBackground);
  max-width: 250px;
  padding: 5px;
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}