Messaging/public/style.css

:root {
    --primary: #14bbaa;
    --secondary: #2c3c4c;
}

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

body {
    margin: 0;
    font-family: "Lato", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji",
        "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    font-size: 1.2em;
    scroll-behavior: smooth;
    display: flex;
}

#menu {
    position: absolute;
    top: 25px;
    z-index: 2;
    left: 0;
}

#content {
    width: 100%;
    height: 100vh;
    display: grid;
    grid-template-rows: 100px 1fr 175px;
}

#rooms {
    background-color: var(--secondary);
    width: 0;
    overflow: hidden;
    align-items: center;
    transition: width 0.6s, padding 0.6s;
    display: flex;
    z-index: 1;
    color: white;
    flex-direction: column;
}

#rooms h1 {
    margin-bottom: 30px;
}

#rooms a:hover {
    background-color: #485b70 !important;
}

#rooms a {
    background-color: #374a5e;
}

#rooms a.active {
    background-color: var(--primary);
    font-weight: bold;
}

#rooms ul {
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 10px;
    font-size: 1.5em;
}

#rooms :is(li, ul, a) {
    width: 95%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

#rooms.opened {
    width: 18vw;
    padding: 20px;
}

#rooms:not(.opened) + div nav {
    padding-left: 70px;
}

#rooms input {
    width: 80%;
}

#rooms input::placeholder {
    text-align: center;
}

#rooms form {
    text-align: center;
    margin: auto 0 20px 0;
}

#rooms form button {
    margin-top: 10px;
}

nav,
footer {
    background-color: var(--secondary);
    color: white;
    display: flex;
    flex-direction: row;
    align-items: center;
    max-width: 100vw;
    transition: padding 0.6s;
}

a {
    margin: 0 0.5em;
    text-decoration: none;
    width: fit-content;
    color: white;
    grid-template-columns: 1fr 500px;
}

nav span {
    font-size: 2em;
}

footer {
    justify-content: center;
    gap: 30px;
    padding: 20px;
}

textarea,
input[type="text"] {
    border: none;
    color: white;
    background-color: transparent;
    border-bottom: 0.05em solid white;
    font-family: inherit;
    font-size: 2rem;
    max-width: 100%;
    max-height: 10vh;
}

:is(textarea, input[type="text"])::placeholder {
    color: #dbcece;
}

button {
    border: none;
    border-radius: 2em;
    color: #f5f0f0;
    background-color: transparent;
    font-size: 1em;
    padding: 0.7rem 1.6rem;
    text-decoration: none;
}

.button-primary {
    background-color: var(--primary);
}

.button-secondary {
    background-color: var(--secondary);
}

.button-circle {
    padding: 0.85em 1em;
}

svg {
    height: 1.5em;
    width: 1.5em;
}

button:not(:disabled) {
    cursor: pointer;
}

button:is(:disabled, :hover) {
    filter: brightness(0.9);
}

.message-info {
    font-size: 12px;
    color: white;
    text-transform: capitalize;
}

#change-name {
    margin: 0 10px 0 auto;
}

#name-display {
    font-size: 1.5em;
}

.message-text {
    padding: 10px;
    font-size: 17px;
    white-space: initial;
    line-height: 23px;
    font-weight: normal;
    word-wrap: break-word;
    display: inline-block;
    background-color: #e4366a;
    text-align: center;
    color: white;
    border-radius: 20px;
}

#main-content {
    background-color: var(--primary);
    color: white;
    display: flex;
    padding: 30px;
    flex-direction: column;
}

#messages {
    max-width: 100vw !important;
    background-color: var(--primary);
    padding: 30px;
    overflow-y: auto;
    display: flex;
    flex-direction: column-reverse;
}

#messages::-webkit-scrollbar {
    width: 10px;
}

#messages::-webkit-scrollbar-track {
    display: none;
}

#messages::-webkit-scrollbar-thumb {
    background: var(--secondary);
    border-radius: 10px;
}

#messages::-webkit-scrollbar-thumb:hover {
    filter: brightness(0.9);
}

.message-content {
    max-width: 75%;
}

.message {
    padding: 5px;
    margin-top: 5px;
    width: 100%;
    display: flex;
    flex-direction: row;
}

.message-right {
    justify-content: right;
}

.message-right .message-text {
    background-color: #e9e932;
    color: #424242;
}

.system .message-text {
    background-color: #05d0eb;
    color: white;
}

#login {
    background-color: var(--primary);
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    width: 100vw;
}

#login.done {
    display: none;
}

#login:not(.done) + div,
#login:not(.done) + div + div {
    display: none !important;
}

.medium-header {
    font-size: 2.5rem;
    font-weight: 200;
    line-height: 1.2;
    margin-bottom: 20px;
}

.large-header {
    font-size: 5rem;
    font-weight: 300;
    line-height: 1.2;
    display: flex;
}

:is(input[type="text"], textarea):required {
    animation: shake 0.2s ease-in-out 0s 2;
    color: #ff0000;
    border-color: red !important;
}

:is(input[type="text"], textarea):required::placeholder {
    color: #f20000;
}

#no-rooms.changed {
    display: none;
}

@media (max-width: 1520px) {
    #rooms-header {
        visibility: hidden;
    }
    #rooms.opened {
        width: 30vw;
    }
}

@media (max-width: 1000px) {
    #rooms.opened {
        width: 100vw;
    }

    #rooms {
        position: absolute;
        height: 100vh;
    }

    #rooms-header {
        visibility: visible;
    }
}

@media (max-width: 500px) {
    #login input {
        max-width: 60vw;
    }
}

@media (max-width: 725px) {
    #name-display {
        display: none;
    }

    body {
        font-size: 1.1em;
    }

    footer {
        flex-direction: column;
    }

    button:not(#menu, .button-circle) {
        display: block;
        width: 100%;
    }
}

@keyframes shake {
    0% {
        margin-left: 0rem;
    }
    25% {
        margin-left: 0.5rem;
    }
    75% {
        margin-left: -0.5rem;
    }
    100% {
        margin-left: 0rem;
    }
}