/* AI 主界面底部完全铺满 */
.chat-container {
  display: flex !important;
  flex-direction: row !important;
  height: 100% !important;
  width: 100% !important;
}

.chat-main {
  flex: 1 !important;
  display: flex !important;
  flex-direction: column !important;
  min-width: 0 !important;
  width: 100% !important;
}

.chat-messages {
  flex: 1 !important;
  overflow-y: auto !important;
  min-height: 0 !important;
}

.chat-input-wrapper {
  width: 100% !important;
  padding: 20px 32px !important;
  background: var(--cream-surface) !important;
  border-top: 1px solid var(--border-color) !important;
  flex-shrink: 0 !important;
  box-sizing: border-box !important;
}

.chat-options-row {
  margin-bottom: 12px !important;
  width: 100% !important;
}

.chat-input-area {
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
}

/* 附件预览区域 */
.attachment-preview {
  width: 100% !important;
  margin-bottom: 12px !important;
}