.mge-chat-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--blue, #3b8bff);
  color: #fff;
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 24px -8px rgba(59, 139, 255, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  transition: transform 0.18s ease;
}
.mge-chat-btn:hover { transform: scale(1.06); }

.mge-chat-panel {
  position: fixed;
  bottom: 88px;
  right: 20px;
  z-index: 999;
  width: 320px;
  max-width: calc(100vw - 40px);
  max-height: 70vh;
  background: var(--bg-panel, #0d0f14);
  border: 1px solid var(--border, #1e222b);
  border-radius: 14px;
  box-shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
.mge-chat-panel[hidden] { display: none; }

.mge-chat-head {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border, #1e222b);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--silver, #e6e8ec);
  font-weight: 700;
  font-size: 0.95rem;
}
.mge-chat-head button {
  background: none;
  border: none;
  color: var(--text-dim, #7d8390);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  padding: 0 2px;
}
.mge-chat-head button:hover { color: var(--blue-dim, #6fa8ff); }

.mge-chat-body {
  padding: 14px 16px;
  overflow-y: auto;
  flex: 1;
  color: var(--text, #c7cbd4);
  font-size: 0.88rem;
  line-height: 1.55;
}
.mge-chat-body > p:first-child { margin-top: 0; color: var(--text-dim, #7d8390); font-size: 0.8rem; }

.mge-chat-q {
  display: block;
  width: 100%;
  text-align: left;
  background: rgba(59, 139, 255, 0.08);
  border: 1px solid var(--border, #1e222b);
  color: var(--blue-dim, #6fa8ff);
  border-radius: 8px;
  padding: 9px 12px;
  margin-bottom: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.mge-chat-q:hover { border-color: var(--blue, #3b8bff); background: rgba(59, 139, 255, 0.14); }

.mge-chat-answer b { color: var(--silver, #e6e8ec); }
.mge-chat-answer p { margin: 8px 0 0; }
.mge-chat-answer a { color: var(--blue-dim, #6fa8ff); }

.mge-chat-back {
  display: inline-block;
  margin-top: 14px;
  color: var(--text-dim, #7d8390);
  font-size: 0.8rem;
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
}
.mge-chat-back:hover { color: var(--blue-dim, #6fa8ff); }

.mge-chat-foot {
  padding: 10px 16px;
  border-top: 1px solid var(--border, #1e222b);
  font-size: 0.7rem;
  color: var(--text-dim, #7d8390);
  text-align: center;
}