:root {
    --primary-color: #4285f4;
    --success: #5ce600;
    --status-connecting: #f90; /* orange */
    --status-connected: var(--success);  /* green */
    --status-disconnected: #c00; /* red */
}

body {
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    margin-bottom: 20vh;
}

/* the 2 column layout */
div#root {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    row-gap: 1rem;
    margin: 0 2rem;
}
div#root > h1 {
        flex-basis: 100%;
        margin-bottom: 0;
    }
/* overrides */
:is(div#root .input-group) input {
            width: calc(100% - 1rem);
        }

.col-half {
    flex: 1;
}

textarea {
    width: calc(100% - 2rem);
    min-height: 10rem;
    margin-bottom: 1rem;
    padding: 1rem;
}

span.connection-status{
    display: inline-block;
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

/* Status-specific styles */
.connection-status[data-status="connecting"] {
    background-color: var(--status-connecting);
    animation: pulse 2s infinite;
}

.connection-status[data-status="connected"] {
    background-color: var(--status-connected);
}

.connection-status[data-status="disconnected"] {
    background-color: var(--status-disconnected);
}

.status {
    border-bottom: 4px solid;
}

.status.disconnected {
        border-color: red;
    }

.status.connecting {
        border-color: orange;
    }

.status.in-room {
        border-color: var(--primary-color, blue);
    }

.status.connected {
        border-color: var(--success, green);
    }

.controls {
    display: flex;
    margin-top: 2rem;
    justify-content: space-around;
}

hr {
    margin: 2rem 0;
}

h2 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

button {
    font-size: 1rem;
    transition: all 0.2s;
    cursor: pointer;
    border: 2px solid;
    outline: 2px solid transparent;
    background-color: transparent;
    padding: 0.5rem 1rem;
}

button:hover {
        border-color: #00bfff;
        outline-color: #00bfff;
        background: seashell;
    }

button:disabled {
        cursor: not-allowed;
    }

button:disabled:hover {
            border-color: #1010104d;
            outline: 2px solid transparent;
            background-color: transparent;
        }

.peer-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.peer-item {
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border: 1px solid #ccc;
}

.peer-item button {
        min-width: 8rem;
    }

.message-list {
    height: 10rem;
    overflow: scroll;
    border: 1px solid #ccc;
    padding: 1rem;
    margin-bottom: 1rem;
}

.message {
    padding: 0.25rem 0;
    display: flex;
    gap: 1rem;
}

.message .sender {
        font-weight: bold;
    }

.message .msg-content {
        font-weight: lighter;
    }
:root {
    --form-color-primary: #4285f4; 
}

.input-group {
    position: relative;
    width: 100%;
    margin: 2rem 0;
}

.input-group input {
        width: 100%;
        font-size: 1.2rem;
        padding: 10px 10px 10px 5px;
        display: block;
        border: none;
        border-bottom: 1px solid #757575;
        outline: none;
    }

:is(.input-group input):focus {
            border-bottom: 1px solid #4285f4;
            box-shadow: 0 3px 0 0 var(--form-color-primary, #4285f4);
        }

/* When input is...
            1. NOT empty
            2. NOT in focus
            3. NOT valid */

:is(.input-group input):invalid:not(:focus):not(:placeholder-shown) {
            border-bottom: 4px solid var(--text-input-error-border, red);
        }

:is(.input-group input):invalid:not(:focus):not(:placeholder-shown) ~ .requirements {
                max-height: 200px;
                padding: 0 30px 20px 50px;
            }

.input-group .requirements {
        padding: 0 30px 0 50px;
        max-height: 0;
        transition: 0.28s;
        overflow: hidden;
        color: var(--text-input-error-text);
        font-style: italic;
    }

.input-group label {
        color: #5f5f5f;
        font-size: 18px;
        font-weight: normal;
        position: absolute;
        pointer-events: none;
        left: 5px;
        top: 10px;
        transition: 0.2s ease all;
    }

/* this part makes the `label` float */

/* input:valid ~ label, */

.input-group input:focus ~ label,.input-group input:not(:placeholder-shown) ~ label {
        top: -20px;
        font-size: 14px;
        /* color: black; */
        color: #4285f4;
    }
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 * Disable smooth scrolling when users have prefers-reduced-motion enabled
 */
@media screen and (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}
}
/* 
 * Utility class to hide content visually while keeping it
 * screen reader-accessible.
 * Source: https://www.scottohara.me/blog/2017/04/14/inclusively-hidden.html 
 */
.visually-hidden:not(:focus, :active) {
    clip-path: inset(100%); 
    height: 1px; 
    overflow: hidden; 
    position: absolute; 
    white-space: nowrap; 
    width: 1px; 
}
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