.message-run {
  position: relative;
  border-radius: 0.25rem;
  padding: 0 0 0.5rem 0;
  margin-bottom: 1rem;
  box-shadow: 0 0.25rem 0.25rem rgba(0, 0, 0, 0.5);
  width: 95%;
  clear: both;
  overflow: hidden;
}

.own-message {
  background-color: var(--colour-message-run-self-bg);
  border: 1px solid var(--colour-message-run-self-border);
  float: right;
}

.own-message * {
  color: var(--colour-message-run-self-text);
}

.other-message {
  background-color: var(--colour-message-run-other-bg);
  border: 1px solid var(--colour-message-run-other-border);
}

.other-message * {
  color: var(--colour-message-run-other-text);
}

.message-run > .username {
  background-color: var(--colour-message-run-username-bg);
  color: var(--colour-message-run-username-text);
  display: inline-block;
  border-bottom-right-radius: 0.25rem;
  padding: 0.25rem;
  border-bottom: 1px solid var(--colour-message-run-username-border);
  border-right: 1px solid var(--colour-message-run-username-border);
}

.message {
  padding: 0.5rem 0 0 0.5rem;
}

.message:hover {
  background-color: var(--colour-message-hover-bg);
}
.message:hover * {
  color: var(--colour-message-hover-text);
}

.message .handle {
  --text-size: 0.5rem;
  float: right;
  line-height: var(--text-size);
  font-size: var(--text-size);
  top: -0.5rem;
  position: relative;
  padding: 0.25rem;
  border-radius: 0.25rem;
  display: none;
  background-color: var(--colour-message-bg);
}

.message:hover .handle {
  display: flex;
}

.message .handle button {
  line-height: 0.35rem;
  background: none;
  border: none;
  cursor: pointer;
}

.message-body {
  overflow: auto;
  max-width: 80vw;

  @media (width > 640px) {
    /* 21rem is width of the nav bar in full-screen mode. */
    max-width: calc(90vw - 21rem);
  }
}

.message-body:empty:after {
  content: '.';
  visibility: hidden;
}

/* For rendered message bodies: */
.message-body blockquote {
  border-left: 0.25rem solid lightgrey;
  margin-left: 0.5rem;
  padding-left: 0.5rem;
}
.message-body pre {
  border: 1px solid #312e81;
  border-radius: 0.25rem;
  background-color: var(--colour-message-run-text);
  padding: 0.25rem;
}