/* =====================================================================
 * chat.css — AI 聊天面板、消息气泡、设置相关
 * AiPanel 根元素为 .panel-pane.ai-pane，布局在 editor.css 定义
 * ===================================================================== */

/* 快捷操作工具条 */
.ai-actions {
  display: flex; flex-wrap: wrap; gap: 6px;
  padding: 10px 12px; margin: 0;
  border-bottom: 1px solid var(--ui-border, #e2e8f0);
  flex-shrink: 0; background: var(--ui-panel, #f8fafc);
}
.ai-action {
  height: 28px; padding: 0 10px;
  border: 1px solid var(--ui-border, #e2e8f0); background: #fff;
  color: var(--ui-text, #1e293b); border-radius: 5px;
  font-size: 12px; font-weight: 500; line-height: 1;
  cursor: pointer; transition: all .12s;
  white-space: nowrap;
}
.ai-action:hover {
  border-color: var(--ui-primary, #5b5bd6);
  color: var(--ui-primary, #5b5bd6);
  background: var(--ui-primary-soft, rgba(91,91,214,.06));
}
.ai-action:disabled { opacity: .45; cursor: not-allowed; }
.ai-action:disabled:hover { border-color: var(--ui-border, #e2e8f0); color: var(--ui-text, #1e293b); background: #fff; }
/* 破坏性操作（清空）再轻一点 */
.ai-action.ghost {
  border-color: transparent; background: transparent;
  color: var(--ui-muted, #64748b);
}
.ai-action.ghost:hover {
  border-color: transparent; background: transparent;
  color: var(--ui-danger, #e11d48);
}

/* 选中元素提示条 */
.selected-hint {
  display: flex; align-items: center; gap: .45em;
  padding: 7px 10px; margin: 0 2px 8px;
  background: var(--ui-primary-soft, rgba(91,91,214,.08));
  border: 1px solid var(--ui-primary, #5b5bd6); border-radius: 6px;
  font-size: 12px; color: var(--ui-text, #1e293b);
  flex-shrink: 0;
}
.selected-hint-icon { color: var(--ui-primary, #5b5bd6); font-weight: 700; }
.selected-hint-text { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; }
.selected-hint-flag { font-size: 11px; color: var(--ui-primary, #5b5bd6); flex-shrink: 0; }

/* 消息列表 */
.chat-messages {
  flex: 1; min-height: 0; overflow-y: auto;
  padding: 4px 2px; display: flex; flex-direction: column; gap: 12px;
}
.chat-empty {
  color: var(--ui-muted); font-size: 13px; text-align: center;
  padding: 28px 10px; line-height: 1.9;
}
.chat-empty b { color: var(--ui-text); }
.msg { display: flex; }
.msg.user { justify-content: flex-end; }
.msg .bubble {
  max-width: 90%; padding: 9px 13px; border-radius: 14px;
  font-size: 13px; line-height: 1.65; word-break: break-word;
}
.msg.user .bubble { background: var(--ui-primary); color: #fff; border-bottom-right-radius: 4px; }
.msg.ai .bubble { background: var(--ui-hover); color: var(--ui-text); border-bottom-left-radius: 4px; }
.msg.system .bubble { background: transparent; color: var(--ui-muted); font-size: 12px; font-style: italic; }
.msg.ai .bubble.error { background: #fff1f2; color: var(--ui-danger); }
.msg.ai .bubble.success { background: #f0fdf4; color: var(--ui-success); }
.msg .bubble .diff-tag { display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 99px; margin-bottom: 6px; background: rgba(5,150,105,.12); color: var(--ui-success); font-weight: 600; }

.msg .bubble .stream-text { white-space: pre-wrap; }

/* Markdown 正文排版（marked 渲染后的气泡内容） */
.msg .bubble .md-body > *:first-child { margin-top: 0; }
.msg .bubble .md-body > *:last-child { margin-bottom: 0; }
.msg .bubble .md-body p { margin: 6px 0; }
.msg .bubble .md-body h1, .msg .bubble .md-body h2, .msg .bubble .md-body h3,
.msg .bubble .md-body h4 { margin: 10px 0 6px; font-size: 14px; font-weight: 600; }
.msg .bubble .md-body h1 { font-size: 16px; }
.msg .bubble .md-body h2 { font-size: 15px; }
.msg .bubble .md-body ul, .msg .bubble .md-body ol { margin: 6px 0; padding-left: 1.4em; }
.msg .bubble .md-body li { margin: 3px 0; }
.msg .bubble .md-body strong { font-weight: 600; }
.msg .bubble .md-body code {
  font-family: 'Consolas','Monaco','Courier New',monospace;
  font-size: 12px; padding: 1px 5px; border-radius: 4px;
  background: rgba(15,23,42,.08);
}
.msg.user .md-body code { background: rgba(255,255,255,.2); }
.msg .bubble .md-body blockquote {
  margin: 6px 0; padding: 2px 10px; border-left: 3px solid var(--ui-border);
  color: var(--ui-muted);
}
.msg .bubble .md-body table { border-collapse: collapse; margin: 6px 0; font-size: 12px; }
.msg .bubble .md-body th, .msg .bubble .md-body td { border: 1px solid var(--ui-border); padding: 4px 8px; }
.msg .bubble .md-body hr { border: none; border-top: 1px solid var(--ui-border); margin: 8px 0; }

/* 消息中的代码块 */
.msg .msg-code {
  margin: 6px 0; padding: 10px 12px;
  background: rgba(15,23,42,.06); border-radius: 8px;
  overflow-x: auto; max-width: 100%;
  font-size: 12px; line-height: 1.5;
  font-family: 'Consolas','Monaco','Courier New',monospace;
}
.msg.user .msg-code { background: rgba(255,255,255,.15); }
.msg .msg-code code { font-family: inherit; white-space: pre; }
/* JSON 语法着色 */
.msg .msg-code .jk { color: #5b5bd6; font-weight: 600; }      /* key */
.msg .msg-code .js { color: #059669; }                          /* string value */
.msg .msg-code .jn { color: #d97706; }                          /* number */
.msg .msg-code .jb { color: #e11d48; font-weight: 600; }        /* boolean/null */

/* 流式打字机光标（参考 devflow：细竖线 + 柔和步进闪烁） */
.cursor {
  display: inline-block;
  width: 2px; height: 14px;
  background: var(--ui-primary, #5b5bd6);
  margin-left: 2px; vertical-align: text-bottom;
  animation: blink 0.8s step-end infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* 输入栏 */
.chat-input-bar {
  border-top: 1px solid var(--ui-border); padding-top: 10px; margin-top: 4px;
  display: flex; flex-direction: column; gap: 8px; flex-shrink: 0;
}
#chatInput { resize: none; line-height: 1.5; }
.chat-input-bar .btns { display: flex; gap: 8px; justify-content: flex-end; }