/* ============================================================
   KEFU MEDIA — 表情面板 / 图片气泡 / 预览 / 确认框
   访客聊天窗与客服工作台共用；portal 与 lmp 各一份，必须逐字节一致
   配色沿用两端客服既有色值（主色 #3884DC、边框 #D6D8DD、浅灰 #F5F6F8）
   ============================================================ */
.kefu-media-host { position: relative; }
.kefu-media-tools { display: flex; align-items: center; gap: 2px; flex-shrink: 0; align-self: flex-end; }
/* 界面图标：线性 SVG，尺寸随容器字号、颜色随容器文字色 */
.kefu-ico { width: 1em; height: 1em; display: block; fill: none; stroke: currentColor;
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.kefu-media-btn { width: 30px; height: 30px; padding: 0; border: 0; border-radius: 4px; background: transparent;
  font-size: 20px; cursor: pointer; color: #4A4F5A; font-family: inherit;
  display: inline-flex; align-items: center; justify-content: center; }
.kefu-media-btn:hover { color: #3884DC; }
.kefu-media-btn:hover { background: #EBF3FC; }
.kefu-media-btn:disabled { opacity: .45; cursor: not-allowed; background: transparent; }
.kefu-media-btn:focus-visible, .kefu-media-emoji:focus-visible, .kefu-media-thumb:focus-visible,
.kefu-media-actions button:focus-visible, .kefu-media-preview-close:focus-visible {
  outline: 2px solid #3884DC; outline-offset: 1px; }
.kefu-media-file { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

.kefu-media-emoji-panel { display: none; position: absolute; left: 8px; bottom: 100%; margin-bottom: 6px; z-index: 30;
  width: 300px; max-width: calc(100% - 16px); max-height: 220px; overflow-y: auto; padding: 6px 8px 8px;
  background: #fff; border: 1px solid #D6D8DD; border-radius: 8px; box-shadow: 0 6px 20px rgba(0,0,0,.12); }
.kefu-media-emoji-panel.open { display: block; }
.kefu-media-emoji-group { font-size: 11px; color: #5F6470; margin: 6px 2px 2px; }
.kefu-media-emoji-grid { display: flex; flex-wrap: wrap; }
.kefu-media-emoji { width: 34px; height: 34px; padding: 0; border: 0; border-radius: 4px; background: transparent;
  font-size: 20px; line-height: 34px; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
.kefu-media-emoji:hover { background: #F5F6F8; }
.kefu-media-emoji .kefu-emoji { width: 24px; height: 24px; margin: 0; vertical-align: middle; }
/* 统一表情图片（Twemoji，CC-BY 4.0）：气泡与列表中随文字大小内联 */
.kefu-emoji { display: inline-block; width: 1.3em; height: 1.3em; margin: 0 .05em; vertical-align: -.3em;
  border: 0; user-select: text; }

.kefu-media-hint { display: none; padding: 4px 14px; font-size: 12px; line-height: 1.6; color: #6B6F7A; background: #F5F6F8; }
.kefu-media-hint.show { display: block; }
.kefu-media-hint.is-error { color: #C62828; background: #FFF3F3; }
.kefu-media-drop { outline: 2px dashed #3884DC; outline-offset: -6px; }

/* 图片气泡：去掉文字气泡底色/内边距（两端气泡类名不同，同时覆盖） */
.kefu-bubble.kefu-media-bubble, .kefu-wb-bubble.kefu-media-bubble { padding: 0 !important; background: transparent !important;
  box-shadow: none !important; border: 0 !important; line-height: 0; }
.kefu-media-thumb { display: block; max-width: 180px; max-height: 180px; min-width: 40px; min-height: 40px;
  border-radius: 8px; border: 1px solid #D6D8DD; background: #F5F6F8; cursor: zoom-in;
  object-fit: contain; }
.kefu-media-broken { display: inline-block; padding: 16px; font-size: 12px; line-height: 1.4; color: #5F6470;
  background: #F5F6F8; border: 1px dashed #D6D8DD; border-radius: 8px; }

.kefu-media-mask { position: fixed; top: 0; right: 0; bottom: 0; left: 0; z-index: 100000; display: flex;
  align-items: center; justify-content: center; background: rgba(0,0,0,.55); }
.kefu-media-preview img { max-width: 92vw; max-height: 88vh; border-radius: 4px; background: #fff; }
.kefu-media-preview-close { position: absolute; top: 16px; right: 20px; width: 40px; height: 40px; padding: 0;
  border: 0; border-radius: 50%; background: rgba(255,255,255,.92); font-size: 24px; line-height: 40px; cursor: pointer; }
.kefu-media-preview-tip { color: #fff; font-size: 14px; }

.kefu-media-dialog { width: 340px; max-width: calc(100vw - 32px); padding: 20px; background: #fff; border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0,0,0,.2); font-size: 14px; color: #1A1E24; }
.kefu-media-dialog h3 { margin: 0 0 10px; font-size: 16px; font-weight: 600; }
.kefu-media-dialog p { margin: 0 0 8px; line-height: 1.6; word-break: break-all; }
.kefu-media-dialog .kefu-media-note { color: #A85A00; font-size: 12px; }
.kefu-media-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }
.kefu-media-actions button { height: 34px; padding: 0 16px; border: 1px solid #D6D8DD; border-radius: 4px;
  background: #fff; color: #4A4F5A; font-size: 13px; cursor: pointer; font-family: inherit; }
.kefu-media-actions button.primary { background: #3884DC; border-color: #3884DC; color: #fff; }