.mpm-livechat-root {
  position: fixed;
  z-index: 2147483000;
  bottom: 22px;
  font-family: Arial, Helvetica, sans-serif;
  color: #222;
}
.mpm-livechat-root[data-position="right"] { right: 22px; }
.mpm-livechat-root[data-position="left"] { left: 22px; }
.mpm-livechat-button {
  border: 0;
  border-radius: 999px;
  padding: 13px 18px;
  box-shadow: 0 8px 24px rgba(0,0,0,.22);
  color: #fff;
  cursor: pointer;
  font-weight: 700;
  font-size: 14px;
  line-height: 1;
}
.mpm-livechat-panel {
  display: none;
  width: 340px;
  max-width: calc(100vw - 32px);
  height: 500px;
  max-height: calc(100vh - 95px);
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 12px 36px rgba(0,0,0,.25);
  border: 1px solid rgba(0,0,0,.08);
}
.mpm-livechat-root.is-open .mpm-livechat-panel { display: flex; flex-direction: column; }
.mpm-livechat-root.is-open .mpm-livechat-button { display: none; }
.mpm-livechat-header {
  color: #fff;
  padding: 14px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mpm-livechat-title { font-weight: 700; font-size: 15px; }
.mpm-livechat-status { font-size: 11px; opacity: .9; margin-top: 2px; }
.mpm-livechat-close {
  border: 0;
  background: transparent;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
}
.mpm-livechat-messages {
  flex: 1;
  padding: 14px;
  overflow-y: auto;
  background: #f7f7f9;
}
.mpm-livechat-message {
  max-width: 86%;
  margin: 0 0 10px;
  padding: 9px 11px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.35;
  word-break: break-word;
}
.mpm-livechat-message.agent,
.mpm-livechat-message.system {
  background: #fff;
  border: 1px solid rgba(0,0,0,.07);
}
.mpm-livechat-message.visitor {
  margin-left: auto;
  color: #fff;
}
.mpm-livechat-form,
.mpm-livechat-composer {
  padding: 12px;
  border-top: 1px solid rgba(0,0,0,.08);
  background: #fff;
}
.mpm-livechat-field {
  width: 100%;
  box-sizing: border-box;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 8px;
  margin-bottom: 8px;
  font-size: 13px;
}
.mpm-livechat-start,
.mpm-livechat-send {
  border: 0;
  border-radius: 8px;
  color: #fff;
  padding: 10px 12px;
  cursor: pointer;
  font-weight: 700;
}
.mpm-livechat-composer-row {
  display: flex;
  gap: 8px;
}
.mpm-livechat-input {
  flex: 1;
  resize: none;
  min-height: 38px;
  max-height: 90px;
}
.mpm-livechat-hidden { display: none !important; }
@media (max-width: 480px) {
  .mpm-livechat-root { left: 12px !important; right: 12px !important; bottom: 12px; }
  .mpm-livechat-panel { width: 100%; height: 70vh; }
}