/* ---- Responsive chat widget ---- */
#simple-chat {
    position: fixed;
    bottom: 20px;
    right: 20px;
    left: 20px;
    /* full width on small screens */
    max-width: 420px;
    /* cap on large screens */
    margin: 0 auto;
    background: #000;
    color: #fff;
    border: 1px solid #333;
    border-radius: 4px;
    font-family: monospace;
    font-size: 13px;
    z-index: 10000;
    display: none;
    box-sizing: border-box;
}

#simple-chat .header {
    padding: 8px;
    background: #111;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
}

#chat-messages {
    height: calc(100vh - 240px);
    max-height: 400px;
    overflow-y: auto;
    padding: 8px;
    background: #050505;
}

#chat-input {
    width: calc(100% - 16px);
    margin: 8px;
    padding: 6px;
    background: #111;
    color: white;
    border: 1px solid #333;
    font-family: monospace;
    font-size: 16px;
}

@media (min-width: 600px) {
    #simple-chat {
        left: auto;
        width: 360px;
    }
}