/* Overall chat-screen */
.chat {
    position: fixed;
    top: 80px;
    left: 256px;
    padding: 15px 0;
    width: calc(100% - 256px);
    height: calc(100% - 120px);
    display: inline-flex;
}

.chat-left {
    width: 256px;
    height: calc(100% - 100px);
    margin: 0 10px;
    overflow-y: auto;
}

.chat-right {
    width: calc(100% - 256px - 40px);
    height: calc(100% - 80px);
    margin-right: 10px;
}

/* Chat history. */
.chat-history {
    overflow-y: auto;
    height: 100%;
    padding: 10px;
}

/* Chat-message takes the whole width of the chat area */
.chat-message {
    width: 100%;
    min-height: 40px;
    padding-top: 10px;
    clear: both;
}

.chat-message-self, .chat-message-other {
    border-radius: 20px;
    padding: 10px;
    max-width: 45%;
}

.chat-message-self {
    float: right;
    margin-right: 10px;
    background-color: darkgreen;
    color: white;
}

.chat-message-other {
    float: left;
    margin-left: 10px;
    background-color: aquamarine;
}

/* Chat reply field */

.chat-field {
    width: 100%;
    display: table;
}

.chat-field form {
    width: 100%;
    overflow: hidden;
}

.chat-field span {
    display: block;
    overflow: hidden;
}

.chat-field input[type="text"] {
    width: 100%;
    border: none;
    border-radius: 10px 0 0 10px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
}

.chat-field input[type="submit"] {
    width: auto;
    float: right;
    background-color: #845663;
    color: white;
    padding: 5px 10px;
    border-radius: 0 10px 10px 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
}