#lmsChatBtn {
  border: none; background: var(--accent, #662CFD); color: #fff;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: opacity 0.15s;
}
#lmsChatBtn:hover { opacity: 0.85; }
#lmsChatBtn svg { width: 20px; height: 20px; }

#lmsChatPopup {
  display: none;
  position: fixed; z-index: 9998;
  width: 360px; max-height: 520px;
  background: #1a1d26; border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px; overflow: hidden;
  flex-direction: column; box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
#lmsChatPopup.is-open { display: flex; }

#lmsChatHeader {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px; background: #0f172a;
  font-size: 14px; font-weight: 600; color: #fff;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
#lmsChatHeader span { flex: 1; }
#lmsChatUsers { font-size: 10px; font-weight: 400; opacity: 0.5; white-space: nowrap; }
#lmsChatToggle {
  background: none; border: none; color: #aaa; cursor: pointer;
  padding: 0; line-height: 1; display: flex;
  transition: transform 0.2s;
}
#lmsChatToggle:hover { color: #fff; }
#lmsChatPopup.is-minimized #lmsChatToggle { transform: rotate(-90deg); }
#lmsChatClose { background: none; border: none; color: #aaa; font-size: 20px; cursor: pointer; padding: 0 4px; line-height: 1; }
#lmsChatClose:hover { color: #fff; }

#lmsChatMessages {
  overflow-y: auto; padding: 12px 16px;
  display: flex; flex-direction: column; gap: 8px;
  max-height: 300px; min-height: 0;
  transition: max-height 0.3s ease, padding 0.3s ease, opacity 0.2s;
}
#lmsChatPopup.is-minimized #lmsChatMessages {
  max-height: 0; padding: 0 16px; overflow: hidden; opacity: 0;
}
#lmsChatMessages::-webkit-scrollbar { width: 4px; }
#lmsChatMessages::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 2px; }

.lms-chat-msg {
  padding: 8px 12px; border-radius: 8px; font-size: 13px;
  line-height: 1.4; word-break: break-word; position: relative;
  background: transparent;
}
.lms-chat-msg .name { font-weight: 600; font-size: 11px; color: var(--accent, #662CFD); margin-bottom: 2px; display: flex; align-items: center; gap: 6px; }
.lms-chat-msg .text { color: #e0e0e0; }
.lms-chat-msg .time { font-size: 10px; color: #555; margin-top: 2px; }

.lms-chat-msg .lms-chat-img {
  max-width: 100%; max-height: 200px; border-radius: 6px;
  margin-top: 4px; cursor: pointer; display: block;
}
.lms-chat-msg .lms-chat-audio {
  width: 100%; margin-top: 4px; border-radius: 6px;
}

.lms-chat-msg .reply-quote {
  font-size: 11px; color: #888; background: rgba(255,255,255,0.04);
  border-left: 2px solid var(--accent, #662CFD); padding: 4px 8px;
  border-radius: 4px; margin-bottom: 4px; display: flex; align-items: center; gap: 4px;
}
.lms-chat-msg .reply-quote .rq-name { font-weight: 600; color: var(--accent, #662CFD); }

.lms-chat-msg-actions {
  position: absolute; top: 4px; right: 4px; display: none; gap: 2px;
}
.lms-chat-msg:hover .lms-chat-msg-actions { display: flex; }
.lms-chat-msg-actions button {
  background: none; border: none; cursor: pointer; padding: 2px;
  border-radius: 4px; color: #666; line-height: 1; font-size: 13px;
}
.lms-chat-msg-actions button:hover { color: #fff; background: rgba(255,255,255,0.1); }
.lms-chat-msg-actions .del-btn:hover { color: #ff4444; }

#lmsChatEmojiBar {
  display: none; flex-wrap: wrap; gap: 2px;
  padding: 4px 8px; background: #0f172a;
  max-height: 120px; overflow-y: auto;
}
#lmsChatEmojiBar.is-open { display: flex; }
#lmsChatEmojiBar button {
  background: none; border: none; font-size: 20px; cursor: pointer;
  padding: 2px; line-height: 1; border-radius: 4px;
}
#lmsChatEmojiBar button:hover { background: rgba(255,255,255,0.1); }

#lmsChatReplyBar {
  display: none; align-items: center; gap: 6px;
  padding: 6px 12px; background: #0f172a;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 12px; color: #aaa;
}
#lmsChatReplyBar.is-open { display: flex; }
#lmsChatReplyBar .reply-text { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#lmsChatReplyBar .reply-name { font-weight: 600; color: var(--accent, #662CFD); }
#lmsChatReplyBar .reply-cancel { background: none; border: none; color: #ff4444; cursor: pointer; font-size: 16px; padding: 0 4px; }

#lmsChatInput {
  padding: 10px 12px; border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; flex-direction: column; gap: 6px;
}
#lmsChatName {
  width: 100%; padding: 8px 10px; border-radius: 6px; border: 1px solid rgba(255,255,255,0.1);
  background: #0f172a; color: #fff; font-size: 13px; outline: none; box-sizing: border-box;
}
#lmsChatName::placeholder { color: #666; }
#lmsChatName:disabled { cursor: not-allowed; opacity: 0.6; }

#lmsChatMsgRow {
  display: flex; gap: 4px; align-items: center;
}
#lmsChatMsg {
  flex: 1; padding: 8px 10px; border-radius: 6px; border: 1px solid rgba(255,255,255,0.1);
  background: #0f172a; color: #fff; font-size: 13px; outline: none;
}
#lmsChatMsg::placeholder { color: #666; }

.lms-chat-action-btn {
  background: none; border: none; cursor: pointer; padding: 4px;
  border-radius: 4px; color: #aaa; display: flex; align-items: center;
  line-height: 1; font-size: 18px;
}
.lms-chat-action-btn:hover { color: #fff; background: rgba(255,255,255,0.08); }
.lms-chat-action-btn.is-recording { color: #ff2020; animation: lmsPulse 0.8s infinite; }
@keyframes lmsPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

#lmsChatSend {
  padding: 8px 14px; border-radius: 6px; border: none;
  background: var(--accent, #662CFD); color: #fff;
  font-size: 13px; font-weight: 600; cursor: pointer; white-space: nowrap;
}
#lmsChatSend:hover { opacity: 0.9; }
#lmsChatSend:disabled { opacity: 0.4; cursor: default; }