/* ───── Communication channel ───── */
.comm-filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 4px; }
.comm-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px; border: 1px solid var(--line); background: var(--bg-elev);
  border-radius: 999px; font-size: 12px; color: var(--ink-2); cursor: pointer;
  font-family: inherit; transition: all .12s;
}
.comm-chip:hover { background: var(--bg-sunken); }
.comm-chip.on { background: var(--ink); color: white; border-color: var(--ink); }
.comm-chip .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ink-3); }
.comm-chip .dot.amber { background: var(--amber); }
.comm-chip .dot.green { background: var(--green); }
.comm-chip .dot.gray { background: var(--ink-3); }
.comm-chip.on .dot { background: white; }

.comm-thread {
  background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: var(--r-lg); margin-top: 16px; overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.comm-thread-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 22px; border-bottom: 1px solid var(--line); background: var(--bg-sunken);
}
.comm-trigger { font-size: 13px; font-weight: 500; margin-top: 6px; color: var(--ink); }

.comm-msg-list { display: flex; flex-direction: column; }
.comm-msg { border-bottom: 1px solid var(--line); cursor: pointer; transition: background .1s; }
.comm-msg:last-child { border-bottom: none; }
.comm-msg:hover { background: #FAFAF6; }
.comm-msg.open { background: #FAFAF6; }

.comm-msg-head {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 22px;
}
.comm-msg-meta { flex: 1; min-width: 0; }
.comm-to { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; font-size: 13px; }
.comm-to b { font-weight: 600; color: var(--ink); }
.comm-role { color: var(--ink-3); font-size: 12px; }

.comm-channel-row { display: flex; align-items: center; gap: 8px; margin-top: 4px; flex-wrap: wrap; }
.comm-channel {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  font-size: 10px; font-weight: 600; letter-spacing: 0.04em;
  text-transform: uppercase; color: white;
}
.comm-time { font-size: 11px; color: var(--ink-3); font-family: 'JetBrains Mono', monospace; }
.comm-delivery { font-size: 11px; color: var(--ink-3); }

.comm-msg-body {
  padding: 0 22px 18px 66px;
  animation: commExpand .18s ease-out;
}
@keyframes commExpand { from { opacity: 0; transform: translateY(-4px) } to { opacity: 1; transform: translateY(0) } }

.comm-bubble {
  background: white; border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 14px; font-size: 13px; line-height: 1.55; color: var(--ink);
  white-space: pre-wrap; max-width: 600px;
}
.comm-attach { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.comm-file {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px; border: 1px solid var(--line); border-radius: 6px;
  background: var(--bg); font-size: 11px; color: var(--ink-2);
  font-family: 'JetBrains Mono', monospace;
}

.comm-reply {
  display: flex; gap: 10px; margin-top: 12px; padding-left: 16px;
  border-left: 2px solid var(--line);
}
.comm-reply-head { font-size: 12px; color: var(--ink-2); margin-bottom: 4px; }
.comm-reply-head b { font-weight: 600; }
.comm-reply-head span { color: var(--ink-3); }
.comm-reply-bubble {
  background: #DCF8C6; border-radius: 10px; padding: 8px 12px;
  font-size: 13px; color: var(--ink); display: inline-block; max-width: 540px;
}

.comm-draft-actions { display: flex; gap: 8px; margin-top: 12px; justify-content: flex-end; }