/* ============ 回到顶部按钮 ============ */
.back-to-top {
  position: fixed;
  right: 28px;
  bottom: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line, #ddd);
  background: var(--white, #fff);
  color: var(--text, #222);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s, background-color .15s, color .15s;
  z-index: 1000;
}
.back-to-top svg { width: 22px; height: 22px; }
.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--black, #111);
  color: var(--white, #fff);
  border-color: var(--black, #111);
}

/* ============ Agent 主导式工作区 (全屏两栏) ============ */
/* 进入 Agent 模式时隐藏侧边栏, 主区填满整个视口 */
.app.agent-mode { display: block; }
.app.agent-mode .sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 200;
  transform: translateX(-100%);
  transition: transform .2s ease;
  box-shadow: 4px 0 24px rgba(0,0,0,.12);
}
.app.agent-mode .sidebar.drawer-open { transform: translateX(0); }
.app.agent-mode .main {
  max-width: none;
  padding: 0;
  overflow: hidden;
}
.sidebar-drawer-mask {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.25);
  z-index: 150;
}
.sidebar-drawer-mask.show { display: block; }

/* 两栏工作区: 左 Agent 对话 + 拖拽条 + 右辅助面板 */
.agent-workspace {
  --agent-chat-percent: 47%;
  --agent-aux-percent: 53%;
  display: grid;
  grid-template-columns: minmax(20%, var(--agent-chat-percent)) 8px minmax(0, 1fr);
  height: 100vh;
  background: var(--bg-softer);
}

/* ── 左栏: Agent 对话 ── */
.agent-chat-panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--bg);
  height: 100vh;
  overflow: hidden;
}
.agent-history-mask {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.22);
  z-index: 250;
}
.agent-history-mask.show { display: block; }
.agent-history-drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 320px;
  max-width: 86vw;
  display: flex;
  flex-direction: column;
  background: var(--bg-soft);
  border-right: 1px solid var(--line);
  transform: translateX(-100%);
  transition: transform .2s ease;
  z-index: 260;
  overflow: hidden;
}
.agent-history-drawer.show { transform: translateX(0); }
.agent-history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  flex-shrink: 0;
}
.agent-history-title {
  font-size: 11px;
  font-weight: 800;
  color: var(--black);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.agent-history-actions {
  display: flex;
  align-items: center;
  gap: 2px;
}
.agent-history-list {
  flex: 1;
  overflow-y: auto;
  padding: 10px;
}
.agent-history-item {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--gray-1);
  cursor: pointer;
  text-align: left;
  transition: background .15s, border-color .15s, color .15s;
}
.agent-history-item:hover {
  background: var(--bg);
  border-color: var(--line);
  color: var(--black);
}
.agent-history-item.active {
  background: var(--bg);
  border-color: var(--black);
  color: var(--black);
}
.agent-history-item .history-name {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
  font-weight: 700;
}
.agent-history-item .history-meta {
  display: block;
  margin-top: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 11px;
  color: var(--gray-2);
}
.agent-history-item .history-delete {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 20px;
  height: 20px;
  display: none;
  align-items: center;
  justify-content: center;
  color: var(--gray-2);
}
.agent-history-item:hover .history-delete { display: flex; }
.agent-history-item .history-delete:hover { color: var(--red); }
.agent-history-item { position: relative; }
.agent-session-empty {
  padding: 12px;
  font-size: 12px;
  color: var(--gray-2);
  border: 1px dashed var(--line);
  background: var(--bg);
}
.agent-chat-main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100vh;
  background: var(--bg);
  overflow: hidden;
}
.agent-resizer {
  width: 8px;
  background: var(--bg-softer);
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  cursor: col-resize;
  position: relative;
}
.agent-resizer::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2px;
  height: 42px;
  background: var(--gray-3);
  transform: translate(-50%, -50%);
}
.agent-resizer:hover::after,
.agent-resizing .agent-resizer::after { background: var(--black); }
.agent-resizing {
  cursor: col-resize;
  user-select: none;
}
.agent-chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  flex-shrink: 0;
}
.agent-chat-header .agent-identity {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.agent-avatar-box {
  width: 32px; height: 32px;
  background: var(--black);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.agent-identity .agent-name-row {
  display: flex;
  align-items: center;
  gap: 6px;
}
.agent-identity .agent-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--black);
  white-space: nowrap;
}
.agent-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 18px;
  padding: 0 6px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--red-soft);
  color: var(--red);
}
.agent-status-badge .dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--red);
}
.agent-identity .agent-project {
  font-size: 12px;
  color: var(--gray-2);
  margin-top: 2px;
  display: flex;
  align-items: center;
  gap: 3px;
  cursor: pointer;
}
.agent-identity .agent-project:hover { color: var(--ink); }
.agent-chat-header .agent-header-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}
.agent-icon-btn {
  width: 32px; height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-2);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.agent-icon-btn:hover { background: var(--bg-soft); color: var(--black); }

/* 对话流 */
.agent-chat-messages {
  flex: 1;
  overflow-y: auto;
  background: var(--bg-soft);
  padding: 20px 16px;
}
.agent-chat-messages .agent-msg-list {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.agent-quick-start {
  max-width: 680px;
  margin: 0 auto 16px;
}
.agent-quick-card {
  border: 1px solid var(--line);
  background: var(--bg);
  padding: 14px;
}
.agent-quick-title {
  font-size: 14px;
  font-weight: 800;
  color: var(--black);
  margin-bottom: 12px;
}
.agent-quick-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}
.agent-quick-steps div {
  border: 1px solid var(--line);
  background: var(--bg-soft);
  padding: 10px;
}
.agent-quick-steps span {
  display: inline-flex;
  width: 20px;
  height: 20px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--black);
  color: var(--black);
  font-size: 11px;
  font-weight: 800;
  margin-bottom: 8px;
}
.agent-quick-steps strong {
  display: block;
  font-size: 12px;
  color: var(--black);
  margin-bottom: 4px;
}
.agent-quick-steps em {
  display: block;
  font-style: normal;
  font-size: 12px;
  line-height: 1.5;
  color: var(--gray-2);
}
.agent-example-title {
  margin-top: 12px;
  margin-bottom: 8px;
  font-size: 12px;
  color: var(--gray-1);
}
.agent-example-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.agent-example-chips button {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--gray-1);
  padding: 7px 10px;
  font-size: 12px;
  line-height: 1.4;
  cursor: pointer;
  text-align: left;
}
.agent-example-chips button:hover {
  border-color: var(--black);
  color: var(--black);
  background: var(--bg-soft);
}
.agent-tour-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  padding: 12px 14px;
  border: 1px solid var(--black);
  background: var(--black);
  color: #fff;
  cursor: pointer;
  transition: opacity .15s ease;
}
.agent-tour-banner:hover { opacity: .88; }
.agent-tour-banner-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.agent-tour-banner-icon svg { stroke: #fff; }
.agent-tour-banner-text { display: flex; flex-direction: column; gap: 2px; }
.agent-tour-banner-text strong { font-size: 13px; font-weight: 700; color: #fff; }
.agent-tour-banner-text span { font-size: 12px; line-height: 1.5; color: rgba(255,255,255,.7); }
.agent-tour-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--black) !important;
  color: var(--black) !important;
  font-weight: 600 !important;
}
.agent-tour-chip svg { stroke: var(--black); }
.inline-help-btn {
  margin-left: 8px;
  border: none;
  background: transparent;
  color: var(--red);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  padding: 0;
}
.inline-help-btn:hover { text-decoration: underline; }
.model-guide-intro {
  font-size: 13px;
  color: var(--gray-1);
  line-height: 1.6;
  margin-bottom: 14px;
}
.model-guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.model-guide-card {
  border: 1px solid var(--line);
  background: var(--bg-soft);
  padding: 12px;
}
.model-guide-card.primary {
  border-color: var(--black);
  background: var(--bg);
}
.model-guide-title {
  font-size: 12px;
  color: var(--gray-2);
  margin-bottom: 6px;
}
.model-guide-provider {
  font-size: 14px;
  font-weight: 800;
  color: var(--black);
  margin-bottom: 8px;
}
.model-guide-card p {
  margin: 0 0 8px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--gray-1);
}
.model-guide-card span {
  display: block;
  font-size: 11px;
  line-height: 1.5;
  color: var(--gray-2);
}
.model-guide-steps {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.model-guide-steps div {
  border-top: 1px solid var(--line);
  padding-top: 8px;
}
.model-guide-steps b {
  display: block;
  font-size: 12px;
  color: var(--black);
  margin-bottom: 4px;
}
.model-guide-steps span {
  display: block;
  font-size: 12px;
  line-height: 1.5;
  color: var(--gray-2);
}
.agent-msg-row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.agent-msg-row.user { justify-content: flex-end; }
.agent-msg-row.assistant .agent-msg-avatar {
  width: 28px;
  height: 28px;
  background: var(--bg);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.agent-msg-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.agent-msg-bubble {
  box-sizing: border-box;
  padding: 9px 13px;
  min-height: 28px;
  font-size: 13px;
  line-height: 1.55;
  word-break: break-word;
}
.agent-msg-bubble.user-bubble {
  max-width: 80%;
  background: var(--black);
  color: #fff;
  white-space: pre-wrap;
}
.agent-msg-bubble.assistant-bubble {
  max-width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--ink);
}
.agent-msg-bubble .md-p { margin: 0 0 8px 0; }
.agent-msg-bubble .md-p:last-child { margin-bottom: 0; }
.agent-msg-bubble .md-list { margin: 6px 0 8px 0; padding-left: 20px; }
.agent-msg-bubble .md-list li { margin-bottom: 4px; }
.agent-msg-bubble strong { font-weight: 700; color: var(--black); }
.agent-msg-bubble code {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  padding: 1px 5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
}

/* Agent 流式思考状态 */
.agent-msg-bubble.agent-thinking {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-soft, #6b6b6b);
  font-style: italic;
}
.agent-thinking .svg-spin {
  animation: agent-spin 0.9s linear infinite;
}
@keyframes agent-spin {
  to { transform: rotate(360deg); }
}

/* ============ 打字机光标 & 消息淡入动画 ============ */
/* 闪烁光标: 打字机动画进行中显示在文字末尾 */
.typer-caret {
  display: inline-block;
  width: 7px;
  height: 1em;
  margin-left: 2px;
  vertical-align: text-bottom;
  background: var(--black, #111);
  animation: caretBlink 1s steps(2, start) infinite;
}
/* 文本容器: display:contents 让其不产生盒子, markdown 块级元素直接挂在父气泡下
   避免 span 包裹 p/ul 被 HTML 解析器拆分, 也避免 div 产生多余嵌套层 */
.typer-text {
  display: contents;
}
@keyframes caretBlink {
  0%, 50% { opacity: 1; }
  50.01%, 100% { opacity: 0; }
}
/* 消息行淡入: 仅首次挂载时触发; 但 renderAgentMessages 会重建整个列表,
   导致每条历史消息都重复播放动画造成"一闪一闪", 故这里不应用到 .agent-msg-row */
@keyframes msgFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
/* 工具卡片滑入: 工具卡片只在 tool_call 事件时新增, 不会频繁重建, 保留动画 */
@keyframes toolCardSlideIn {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}
.agent-tool-card {
  animation: toolCardSlideIn 0.26s ease;
}
/* 正文气泡: 不应用 msgFadeIn, 因 renderAgentMessages 重建会让每条历史气泡都重新闪烁 */
/* 思考块: 同理不应用 msgFadeIn, 避免重建时重复闪烁 */
.agent-thinking-block {
  padding: 0;
  background: var(--bg-soft, #fafafa);
  border: 1px dashed var(--gray-4, #ccc);
  font-style: normal;
  overflow: hidden;
}
.agent-thinking-block .thinking-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  cursor: pointer;
  user-select: none;
  font-size: 12px;
  color: var(--ink-soft, #6b6b6b);
  background: rgba(0,0,0,0.02);
}
.agent-thinking-block .thinking-header:hover {
  background: rgba(0,0,0,0.04);
}
.agent-thinking-block .thinking-icon {
  display: inline-flex;
  color: var(--gray-2, #888);
}
.agent-thinking-block .thinking-label {
  flex: 1;
  font-weight: 600;
}
.agent-thinking-block .thinking-toggle {
  display: inline-flex;
  transition: transform 0.15s;
}
.agent-thinking-block.collapsed .thinking-toggle {
  transform: rotate(-90deg);
}
.agent-thinking-block .thinking-body {
  padding: 8px 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--gray-1, #555);
  max-height: 320px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
.agent-thinking-block.collapsed .thinking-body {
  display: none;
}

.agent-stop-btn {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 12px;
  color: var(--ink-soft, #6b6b6b);
  background: transparent;
  border: 1px solid var(--line);
  cursor: pointer;
}
.agent-stop-btn:hover {
  color: var(--red, #c0392b);
  border-color: var(--red, #c0392b);
}

/* Agent 工具调用卡片 */
.agent-tool-card {
  border: 1px solid var(--line);
  background: #fff;
  font-size: 12px;
  overflow: hidden;
}
.agent-tool-card.tool-card-pending {
  border-left: 2px solid var(--ink-soft, #6b6b6b);
}
.agent-tool-card.tool-card-done {
  border-left: 2px solid #1a1a1a;
}
.tool-card-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  cursor: pointer;
  user-select: none;
}
.tool-card-header:hover {
  background: var(--bg-soft, #f7f7f7);
}
.tool-card-icon {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}
.tool-card-icon .svg-spin {
  animation: agent-spin 0.9s linear infinite;
}
.tool-card-done .tool-card-icon {
  color: #1a1a1a;
}
.tool-card-name {
  flex: 1;
  min-width: 0;
  color: var(--ink, #2a2a2a);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tool-card-toggle {
  display: inline-flex;
  flex-shrink: 0;
  color: var(--ink-soft, #999);
  transition: transform 0.15s;
}
.agent-tool-card.expanded .tool-card-toggle {
  transform: rotate(180deg);
}
.tool-card-body {
  display: none;
  border-top: 1px solid var(--line);
  padding: 8px 10px;
  background: var(--bg-soft, #fafafa);
}
.agent-tool-card.expanded .tool-card-body {
  display: block;
}
.tool-card-section {
  margin-bottom: 8px;
}
.tool-card-section:last-child {
  margin-bottom: 0;
}
.tool-card-label {
  font-size: 11px;
  color: var(--ink-soft, #999);
  margin-bottom: 3px;
}
.tool-card-body pre {
  margin: 0;
  padding: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  line-height: 1.4;
  color: var(--ink, #2a2a2a);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 200px;
  overflow-y: auto;
  scrollbar-width: none;
}
.tool-card-body pre::-webkit-scrollbar {
  display: none;
}

/* Agent 内嵌证据卡片 (evidence card) */
.agent-evidence-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-left: 3px solid var(--black);
  padding: 14px 16px;
}
.agent-evidence-card .ev-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.agent-evidence-card .ev-card-title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-2);
}
.agent-evidence-card .ev-card-body { font-size: 13px; color: var(--ink); }
.agent-evidence-card .ev-metric-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
}
.agent-evidence-card .ev-metric-row .label { color: var(--gray-1); }
.agent-evidence-card .ev-metric-row .val { font-weight: 600; color: var(--black); }
.agent-evidence-card .ev-progress {
  height: 6px;
  background: var(--line);
  margin: 10px 0;
  overflow: hidden;
}
.agent-evidence-card .ev-progress-fill {
  height: 100%;
  background: var(--red);
  transition: width .3s ease;
}
.agent-evidence-card .ev-divider {
  height: 1px;
  background: var(--line);
  margin: 10px 0;
}

/* Agent 操作按钮 (action pills) */
.agent-action-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.agent-action-pills .agent-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 28px;
  padding: 0 12px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--gray-1);
  cursor: pointer;
  transition: border-color .15s, color .15s, background .15s;
}
.agent-action-pills .agent-pill:hover {
  border-color: var(--black);
  color: var(--black);
}
.agent-action-pills .agent-pill.primary {
  background: var(--black);
  color: #fff;
  border-color: var(--black);
}
.agent-action-pills .agent-pill.primary:hover { background: var(--red); border-color: var(--red); }

/* 输入栏 */
.agent-chat-input {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  background: var(--bg);
  flex-shrink: 0;
}
.agent-chat-input .agent-input-wrap {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}
.agent-chat-input .agent-input-field {
  flex: 1;
  border: 1px solid var(--line);
  background: var(--bg);
  display: flex;
  align-items: flex-end;
  min-height: 40px;
  transition: border-color .15s;
}
.agent-chat-input .agent-input-field:focus-within { border-color: var(--black); }
.agent-chat-input .agent-input-field textarea {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  resize: none;
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.5;
  font-family: inherit;
  color: var(--ink);
  min-height: 20px;
  max-height: 96px;
}
.agent-chat-input .agent-input-field .agent-attach-btn {
  width: 28px; height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-2);
  background: transparent;
  border: none;
  cursor: pointer;
  margin: 0 6px 6px 0;
}
.agent-chat-input .agent-attach-btn:hover { color: var(--black); }
.agent-chat-input .agent-send-btn {
  width: 40px; height: 40px;
  background: var(--black);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background .15s;
}
.agent-chat-input .agent-send-btn:hover { background: var(--red); }

/* ── 右栏: 辅助面板 ── */
.agent-aux-panel {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  height: 100vh;
  overflow: hidden;
}
.agent-aux-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  flex-shrink: 0;
}
.agent-aux-tabs {
  display: flex;
  gap: 0;
  overflow-x: auto;
}
.agent-aux-tab {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 48px;
  padding: 0 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-2);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: color .15s, border-color .15s;
}
.agent-aux-tab:hover { color: var(--ink); }
.agent-aux-tab.active {
  color: var(--black);
  border-bottom-color: var(--black);
}
.agent-aux-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  animation: tabFadeIn 0.22s ease;
}
@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}
.agent-aux-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 12px;
  color: var(--gray-2);
  font-size: 13px;
}
.agent-aux-empty .icon { color: var(--gray-3); }

/* Agent 模式下右侧面板内的 card 去掉外边距, 紧凑展示 */
.agent-aux-content .card { margin-bottom: 16px; }
.agent-aux-content .card:last-child { margin-bottom: 0; }

@media (max-width: 900px) {
  .agent-workspace {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(20vh, 1fr) 8px minmax(0, 1fr);
  }
  .agent-resizer {
    width: auto;
    height: 8px;
    cursor: row-resize;
    border-left: 0;
    border-right: 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }
  .agent-resizer::after {
    width: 42px;
    height: 2px;
  }
  .agent-chat-panel { border-right: none; }
}
.pagination {
  display: flex;
  align-items: center;
  gap: 12px;
}
.update-count {
  border: 1px solid var(--line);
  background: var(--bg-softer);
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 700;
  color: var(--black);
  letter-spacing: 0.08em;
}
.updates-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.update-item {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 18px;
  padding: 18px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-left: 3px solid var(--black);
}
.update-time {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--gray-2);
  font-weight: 700;
  white-space: nowrap;
}
.update-main h3 {
  margin: 0;
  font-size: 16px;
  color: var(--black);
}
.update-main p {
  margin: 8px 0 10px;
  color: var(--ink);
  line-height: 1.7;
  font-size: 13px;
}
.update-main ul {
  margin: 0;
  padding-left: 18px;
  color: var(--gray-2);
  font-size: 12px;
  line-height: 1.8;
}
.update-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.update-version {
  flex-shrink: 0;
  font-size: 11px;
  color: var(--gray-2);
  border: 1px solid var(--line);
  padding: 3px 7px;
  background: var(--bg-softer);
  font-family: var(--font-mono, monospace);
}
.update-pagination {
  margin-top: 18px;
  justify-content: center;
  color: var(--gray-2);
  font-size: 12px;
}
.update-pagination .btn:disabled {
  opacity: .4;
  cursor: not-allowed;
}
@media (max-width: 760px) {
  .update-item { grid-template-columns: 1fr; }
  .update-title-row { align-items: flex-start; flex-direction: column; }
}

/* ============ 引导步骤 ============ */
.onboarding {
  border: 1px solid var(--line);
  border-top: 2px solid var(--black);
  padding: 18px 24px;
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--bg-softer);
}
.onboarding .step {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  color: var(--gray-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.onboarding .step .num {
  width: 24px; height: 24px;
  background: var(--black);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.onboarding .step.done .num { background: var(--red); color: #fff; }
.onboarding .step.current .num {
  background: var(--black);
  box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--black);
}
.onboarding .step .label { color: var(--gray-2); }
.onboarding .step.current .label { color: var(--black); font-weight: 700; }
.onboarding .arrow { color: var(--gray-3); display: inline-flex; align-items: center; }
/* ============ Tabs ============ */
.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--line); margin-bottom: 32px; }
.tab {
  padding: 12px 20px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  color: var(--gray-2);
  transition: color .15s, border-color .15s;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}
.tab:hover { color: var(--black); }
.tab.active { color: var(--black); border-bottom-color: var(--black); }
.tab .tab-icon { display: inline-flex; align-items: center; }
/* ============ 卡片 ============ */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-top: 2px solid var(--black);
  padding: 24px;
  margin-bottom: 24px;
}
.card-title {
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--black);
  display: flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.card-title .sub {
  font-size: 11px;
  color: var(--gray-2);
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0.02em;
}
/* ============ 表单 ============ */
.form-row { display: flex; gap: 16px; margin-bottom: 16px; flex-wrap: wrap; }
.form-group { display: flex; flex-direction: column; gap: 8px; flex: 1; min-width: 200px; }
.form-group label {
  font-size: 11px;
  color: var(--black);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 6px;
}
.form-group .hint { font-size: 11px; color: var(--gray-2); line-height: 1.5; letter-spacing: 0.01em; }
.checkbox-row { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink); cursor: pointer; }
.checkbox-row input[type="checkbox"] { width: 14px; height: 14px; cursor: pointer; }
input, textarea, select {
  padding: 10px 12px;
  border: 1px solid var(--line);
  font-size: 13px;
  font-family: inherit;
  background: #fff;
  color: var(--ink);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
  width: 100%;
  border-radius: 2px;
}
input:hover, textarea:hover, select:hover { border-color: var(--gray-3); }
input:focus, textarea:focus, select:focus { border-color: var(--black); box-shadow: 0 0 0 1px var(--black); }
textarea { resize: vertical; min-height: 72px; }
input[type="checkbox"], input[type="radio"] {
  width: auto;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  accent-color: var(--red);
}
/* ============ 按钮 ============ */
.btn {
  padding: 10px 18px;
  border: 1px solid var(--ink);
  background: #fff;
  cursor: pointer;
  font-size: 11px;
  color: var(--ink);
  transition: background .15s, color .15s, border-color .15s;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  border-radius: 2px;
}
.btn:hover { background: var(--ink); color: #fff; }
.btn-primary { background: var(--black); color: #fff; border-color: var(--black); }
.btn-primary:hover { background: var(--red); border-color: var(--red); color: #fff; }
.btn-danger { color: var(--red); border-color: var(--red); background: #fff; }
.btn-danger:hover { background: var(--red); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 10px; letter-spacing: 0.06em; }
/* ============ 表格 ============ */
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 8px; text-align: left; border-bottom: 1px solid var(--line); font-size: 13px; vertical-align: top; }
th {
  color: var(--gray-2);
  font-weight: 700;
  background: transparent;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--black);
  padding-bottom: 10px;
}
tr:hover td { background: var(--bg-softer); }
/* ============ 徽章 ============ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 2px;
  font-size: 10px;
  background: var(--bg-soft);
  color: var(--gray-1);
  gap: 4px;
  border: 1px solid var(--line);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
}
.badge.positive { background: var(--green-soft); color: var(--green); border-color: var(--green-border); }
.badge.negative { background: var(--red-soft); color: var(--red); border-color: var(--red-border); }
.badge.validation { background: var(--amber-soft); color: var(--amber); border-color: var(--amber-border); }
.badge.success { background: var(--green-soft); color: var(--green); border-color: var(--green-border); }
.badge.running { background: var(--ink); color: #fff; border-color: var(--ink); }
.badge.failed { background: var(--red); color: #fff; border-color: var(--red); }
.badge.pending { background: var(--bg-soft); color: var(--gray-2); border-color: var(--line); }
/* ============ 进度 ============ */
.progress-bar {
  height: 3px;
  background: var(--line);
  overflow: hidden;
  margin: 8px 0;
  }
.progress-bar .fill {
  height: 100%;
  background: var(--red);
  transition: width .3s;
  }
/* ============ 事件流 ============ */
.event-stream {
  max-height: 480px;
  overflow-y: auto;
  background: var(--black);
  color: var(--gray-4);
  padding: 16px;
  font-family: "SF Mono", "JetBrains Mono", Consolas, Monaco, monospace;
  font-size: 12px;
  line-height: 1.8;
  border: 1px solid var(--ink);
  }
.event-line { margin-bottom: 2px; padding: 2px 0; display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.event-line .ts { color: var(--gray-3); flex-shrink: 0; }
.event-line .type { color: #6b7280; font-weight: 500; flex-shrink: 0; min-width: 130px; }
.event-line .msg { color: var(--gray-4); flex: 1; min-width: 0; }
.event-line .msg .icon-svg { vertical-align: -2px; margin-right: 5px; }
.event-line.success .type { color: #4ade80; }
.event-line.warning .type { color: #fbbf24; }
.event-line.error .type { color: #f87171; }
.event-line.progress .type { color: #c084c0; }
.event-line.progress .msg { color: #93c5fd; }
.event-line.info .type { color: #60a5fa; }
/* 事件流内首版提示词折叠展示 (initial_prompt_ready 事件) */
.event-prompt-details { width: 100%; margin-top: 4px; }
.event-prompt-details > summary { color: var(--gray-4); cursor: pointer; list-style: none; font-size: 11px; }
.event-prompt-details > summary::-webkit-details-marker { display: none; }
.event-prompt-details > .prompt-content { margin-top: 6px; }
/* 调试事件: LLM 调用详情折叠展示 (debug_llm_calls 事件) */
.debug-call-item { margin: 6px 0; border-left: 2px solid var(--line); padding-left: 10px; }
.debug-call-item > summary { color: var(--gray-4); cursor: pointer; list-style: none; font-size: 11px; }
.debug-call-item > summary::-webkit-details-marker { display: none; }
.debug-call-body { margin-top: 6px; }
.debug-call-section { margin-bottom: 8px; }
.debug-label { display: block; font-size: 10px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gray-2); margin-bottom: 3px; }
.debug-call-section .prompt-content { font-size: 11px; max-height: 200px; padding: 8px 10px; }
/* 误判分析详情 (analysis_done 事件) */
.analysis-summary { font-size: 12px; color: var(--gray-4); margin-bottom: 8px; line-height: 1.5; }
.analysis-section { margin-bottom: 10px; }
.analysis-patterns { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.analysis-chip { display: inline-block; font-size: 11px; padding: 2px 8px; background: rgba(255,255,255,.08); color: var(--gray-4); border: 1px solid rgba(255,255,255,.15); }
.analysis-example > summary { color: var(--gray-4); }
/* ============ 思考中动画 ============ */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .3; transform: scale(.7); }
}
@keyframes spin { to { transform: rotate(360deg); } }
.thinking-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--black);
  border: 1px solid var(--black);
  margin-bottom: 16px;
  font-size: 11px;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}
.thinking-banner .spinner {
  width: 14px; height: 14px;
  border: 2px solid var(--gray-1);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .8s linear infinite;
  flex-shrink: 0;
}
.thinking-banner .dots span {
  display: inline-block;
  width: 5px; height: 5px;
  background: var(--red);
  margin: 0 2px;
  animation: pulse-dot 1.2s ease-in-out infinite;
}
.thinking-banner .dots span:nth-child(2) { animation-delay: .2s; }
.thinking-banner .dots span:nth-child(3) { animation-delay: .4s; }
.mini-progress {
  height: 3px;
  background: var(--gray-1);
  overflow: hidden;
  flex: 1;
  max-width: 240px;
  }
.mini-progress .fill {
  height: 100%;
  background: var(--red);
  transition: width .3s;
  }
/* ============ 指标 ============ */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0;
  margin-bottom: 16px;
  border: 1px solid var(--line);
  border-right: none;
  border-bottom: none;
  }
.metric {
  background: #fff;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 18px 14px;
  text-align: left;
  position: relative;
  }
.metric .value {
  font-size: 30px;
  font-weight: 800;
  color: var(--black);
  letter-spacing: -0.03em;
  line-height: 1.05;
  }
.metric .label {
  font-size: 10px;
  color: var(--gray-2);
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 4px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  }
.metric.highlight { background: var(--bg-softer); }
.metric.highlight .value { color: var(--red); }
.outcome-card {
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--black);
  padding: 20px;
  margin-bottom: 16px;
}
.outcome-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}
.outcome-kicker {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 8px;
}
.outcome-title {
  font-size: 20px;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--black);
}
.outcome-desc {
  margin-top: 10px;
  color: var(--gray-1);
  font-size: 13px;
  line-height: 1.7;
}
.outcome-status {
  flex-shrink: 0;
  border: 1px solid var(--line);
  padding: 6px 10px;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}
.outcome-status.pass { color: var(--green); border-color: var(--green); background: var(--green-soft); }
.outcome-status.wait { color: var(--gray-1); background: var(--bg-soft); }
.outcome-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  border: 1px solid var(--line);
  border-right: none;
  border-bottom: none;
  margin-top: 16px;
}
.outcome-metrics > div {
  padding: 14px 12px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-softer);
}
.outcome-metrics b {
  display: block;
  color: var(--black);
  font-size: 22px;
  letter-spacing: -.03em;
  line-height: 1.1;
}
.outcome-metrics span {
  display: block;
  color: var(--gray-2);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-top: 8px;
}
.outcome-next {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.6;
}
.outcome-next > div { flex: 1; }
.outcome-action-btn {
  flex-shrink: 0;
  border: 1px solid var(--black);
  background: var(--black);
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  padding: 7px 10px;
  letter-spacing: 0.06em;
}
.outcome-action-btn:hover { background: var(--red); border-color: var(--red); }
.demo-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.demo-steps span {
  border: 1px solid var(--line);
  background: var(--bg-softer);
  padding: 7px 10px;
  font-size: 11px;
  font-weight: 700;
  color: var(--ink);
}
.prompt-version-actions {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.prompt-more-actions {
  position: relative;
}
.prompt-more-actions > summary {
  list-style: none;
  border: 1px solid var(--ink);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font-size: 10px;
  line-height: 1;
  padding: 7px 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
}
.prompt-more-actions > summary::-webkit-details-marker { display: none; }
.prompt-more-actions > summary:hover { background: var(--ink); color: #fff; }
.prompt-more-actions > div {
  margin-top: 8px;
  border: 1px solid var(--line);
  background: var(--bg);
  padding: 8px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
  min-width: 220px;
}
/* ============ 提示词内容 ============ */
.prompt-content {
  background: var(--bg-soft);
  border-left: 3px solid var(--black);
  padding: 14px 16px;
  font-family: "SF Mono", "JetBrains Mono", Consolas, Monaco, monospace;
  font-size: 12px;
  line-height: 1.7;
  white-space: pre-wrap;
  /* 长单词/URL/无空格串换行, 避免溢出边界被遮挡 */
  overflow-wrap: break-word;
  word-break: break-word;
  max-height: 320px;
  overflow-y: auto;
  color: var(--ink);
  }
/* ============ 模态框 ============ */
.modal-mask {
  position: fixed; inset: 0;
  background: rgba(10,10,10,.6);
  display: flex; align-items: flex-start; justify-content: center;
  z-index: 100;
  overflow: auto;
  padding: 32px 0;
  }
.modal {
  background: #fff;
  padding: 32px;
  width: 480px;
  max-width: 90vw;
  overflow: visible;
  border-top: 4px solid var(--black);
  }
.modal h3 {
  margin-bottom: 20px;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--black);
  }
.modal .actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 24px; }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.modal-header .title { font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.1em; color: var(--black); }
.modal-close { background: none; border: none; cursor: pointer; color: var(--gray-2); padding: 4px; display: flex; align-items: center; }
.modal-close:hover { color: var(--black); }
.modal-body { flex: 1; }
.modal-footer { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }
/* ============ Tooltip 系统 ============ */
.tip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gray-3);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  cursor: help;
  position: relative;
  flex-shrink: 0;
  font-family: serif;
  font-style: italic;
  user-select: none;
}
.tip:hover, .tip:focus { background: var(--black); outline: none; }
.tip::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--tooltip-bg);
  color: var(--tooltip-text);
  padding: 10px 14px;
  border-radius: 2px;
  font-size: 12px;
  font-weight: normal;
  font-style: normal;
  line-height: 1.6;
  width: max-content;
  max-width: 280px;
  white-space: normal;
  text-align: left;
  opacity: 0;
  pointer-events: none;
  transition: opacity .15s;
  z-index: 1000;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", sans-serif;
  letter-spacing: 0;
}
.tip::before {
  content: "";
  position: absolute;
  bottom: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--tooltip-bg);
  opacity: 0;
  transition: opacity .15s;
  z-index: 1000;
}
.tip:hover::after, .tip:hover::before, .tip:focus::after, .tip:focus::before { opacity: 1; }
.modal .tip::after {
  top: calc(100% + 8px);
  bottom: auto;
  max-width: min(360px, 78vw);
}
.modal .tip::before {
  top: calc(100% + 2px);
  bottom: auto;
  border: 5px solid transparent;
  border-bottom-color: var(--tooltip-bg);
}
.tip.tip-right::after { bottom: 50%; left: calc(100% + 8px); transform: translateY(50%); max-width: 320px; }
.tip.tip-right::before { bottom: 50%; left: calc(100% + 2px); transform: translateY(50%); border: 5px solid transparent; border-right-color: var(--tooltip-bg); }
.modal .tip.tip-right::after { top: auto; bottom: 50%; }
.modal .tip.tip-right::before { top: auto; bottom: 50%; border: 5px solid transparent; border-right-color: var(--tooltip-bg); }
.callout {
  padding: 14px 16px;
  border-radius: 2px;
  font-size: 13px;
  line-height: 1.7;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  border-left: 3px solid var(--black);
  background: var(--bg-softer);
}
.callout.info { background: var(--bg-softer); color: var(--ink); border-left-color: var(--black); }
.callout.success { background: var(--green-soft); color: var(--green); border-left-color: var(--green); }
.callout.warning { background: var(--amber-soft); color: var(--amber); border-left-color: var(--amber); }
.callout .icon { flex-shrink: 0; display: inline-flex; align-items: center; line-height: 1.7; }
/* ============ SVG 图标系统 ============ */
.icon-svg {
  width: 16px;
  height: 16px;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}
.icon-lg { width: 20px; height: 20px; }
.icon-sm { width: 14px; height: 14px; }
.svg-spin { animation: spin 1.2s linear infinite; transform-origin: center; }

/* ============ 场景徽章 ============ */
.scene-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--bg-soft);
  color: var(--gray-1);
  border: 1px solid var(--line);
  margin-right: 6px;
  vertical-align: middle;
}
.scene-badge.scene-binary_classification { background: var(--green-soft); color: var(--green); border-color: var(--green-border); }
.scene-badge.scene-text_polish { background: var(--amber-soft); color: var(--amber); border-color: var(--amber-border); }
.scene-badge.scene-multi_class { background: var(--red-soft); color: var(--red); border-color: var(--red-border); }
/* ============ 只读字段 ============ */
.readonly-field {
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  font-size: 13px;
  color: var(--ink);
  line-height: 1.6;
  border-radius: 2px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}
/* ============ Diff 视图 ============ */
.diff-view {
  background: var(--black);
  color: var(--gray-4);
  padding: 14px 16px;
  font-family: "SF Mono", "JetBrains Mono", Consolas, Monaco, monospace;
  font-size: 12px;
  line-height: 1.7;
  border: 1px solid var(--ink);
  max-height: 480px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
.diff-line {
  padding: 1px 8px;
  white-space: pre-wrap;
  word-break: break-word;
  min-height: 1.7em;
}
.diff-line.diff-meta { color: #6b7280; font-weight: 700; }
.diff-line.diff-hunk { color: #93c5fd; background: rgba(147,197,253,0.08); }
.diff-line.diff-add { color: #4ade80; background: rgba(74,222,128,0.08); }
.diff-line.diff-del { color: #f87171; background: rgba(248,113,113,0.08); }
.diff-line.diff-ctx { color: var(--gray-3); }

/* ============ 图片上传区 (image_screening 场景) ============ */
.image-upload-area {
  border: 1px dashed var(--gray-3);
  background: var(--bg-soft);
  padding: 16px;
  text-align: center;
  transition: border-color 0.15s, background 0.15s;
}
.image-upload-area:hover {
  border-color: var(--primary);
  background: var(--primary-1);
}
.image-upload-hint {
  cursor: pointer;
  padding: 24px 16px;
  color: var(--gray-2);
}
.image-upload-hint .icon {
  display: block;
  margin: 0 auto 8px;
  color: var(--gray-3);
}
.image-upload-hint:hover .icon {
  color: var(--primary);
}
.image-preview {
  max-width: 100%;
  max-height: 280px;
  border: 1px solid var(--line);
  background: #fff;
  display: block;
  margin: 0 auto;
}
.image-preview-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
}
.image-preview-row img {
  width: 96px;
  height: 72px;
  object-fit: cover;
  border: 1px solid var(--line);
  background: #fff;
}

/* ============ 案例缩略图 (表格内) ============ */
img.thumb {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: transform 0.1s;
  display: block;
}
img.thumb:hover {
  transform: scale(1.05);
  border-color: var(--primary);
}

/* ============ 图片大图预览遮罩 ============ */
.image-preview-mask {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  cursor: zoom-out;
  padding: 32px;
}
.image-preview-mask img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}
.image-preview-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.image-preview-close:hover {
  background: rgba(255,255,255,0.2);
}

/* ============ 场景徽章 - image_screening 紫色 ============ */
.scene-badge.scene-image_screening {
  background: #faf5ff;
  color: #7c3aed;
  border-color: #ddd6fe;
}

/* ============ 系统设置页面分区 ============ */
.settings-toc {
  display: flex;
  gap: 0;
  margin-bottom: 32px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--black);
  background: var(--bg-softer);
}
.settings-toc a {
  flex: 1;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--gray-1);
  border-right: 1px solid var(--line);
  transition: background .15s, color .15s;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.settings-toc a:last-child { border-right: none; }
.settings-toc a:hover { background: #fff; color: var(--black); }
.settings-toc a .num {
  width: 22px; height: 22px;
  background: var(--black);
  color: #fff;
  font-size: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.settings-toc a .toc-icon { display: inline-flex; color: var(--gray-2); }
.settings-toc a:hover .toc-icon { color: var(--red); }
.settings-toc a .toc-label { color: var(--gray-1); }
.settings-toc a:hover .toc-label { color: var(--black); }

.settings-section {
  background: #fff;
  border: 1px solid var(--line);
  border-top: 2px solid var(--black);
  padding: 28px 32px;
  margin-bottom: 32px;
}
.settings-section .section-header {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding-bottom: 20px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.settings-section .section-num {
  font-size: 36px;
  font-weight: 800;
  color: var(--gray-4);
  line-height: 1;
  letter-spacing: -0.04em;
  flex-shrink: 0;
  font-family: "SF Mono", "JetBrains Mono", Consolas, monospace;
}
.settings-section .section-title-block { flex: 1; }
.settings-section .section-title {
  font-size: 14px;
  font-weight: 800;
  color: var(--black);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}
.settings-section .section-title .sec-icon {
  display: inline-flex;
  color: var(--red);
}
.settings-section .section-desc {
  font-size: 12px;
  color: var(--gray-2);
  line-height: 1.6;
}

/* 部署模式 + 本地能力开关 (双模式架构) */
.capability-toggles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 8px;
  padding: 16px;
  background: var(--bg-softer);
  border-left: 3px solid var(--gray-4);
}
.capability-toggles .form-group { margin: 0; }
.capability-toggles .form-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--black);
}
.capability-toggles .form-group input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--red);
}
.capability-toggles .sub {
  margin-top: 6px;
  padding-left: 24px;
  font-size: 11px;
  color: var(--gray-2);
  line-height: 1.5;
  font-family: "SF Mono", "JetBrains Mono", Consolas, monospace;
}

.subsection {
  margin-top: 8px;
  margin-bottom: 24px;
  padding: 18px 20px;
  background: var(--bg-softer);
  border-left: 3px solid var(--gray-4);
}
.subsection:last-child { margin-bottom: 0; }
.subsection .subsection-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--gray-1);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.subsection .subsection-desc {
  font-size: 11px;
  color: var(--gray-2);
  margin-bottom: 14px;
  line-height: 1.6;
}
.subsection.is-primary { border-left-color: var(--red); }
.subsection.is-primary .subsection-title { color: var(--black); }
.subsection.is-secondary { border-left-color: var(--gray-2); }
.subsection.is-aux { border-left-color: var(--gray-3); background: #fff; border: 1px dashed var(--line); border-left: 3px solid var(--gray-3); }

.scene-card {
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 16px;
  background: #fff;
  margin-bottom: 16px;
}
.scene-card:last-child { margin-bottom: 0; }
.scene-card.is-system { border-left: 3px solid var(--black); }
.scene-card.is-custom { border-left: 3px solid var(--red); }
.scene-card .scene-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.scene-card .scene-name { font-size: 13px; font-weight: 700; color: var(--black); display: flex; align-items: center; gap: 8px; }
.scene-card .scene-code { font-family: "SF Mono", "JetBrains Mono", monospace; font-size: 11px; color: var(--gray-2); }

.new-scene-collapse {
  margin-bottom: 24px;
  border: 1px dashed var(--gray-3);
  background: var(--bg-softer);
}
.new-scene-collapse summary {
  padding: 14px 18px;
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--black);
}
.new-scene-collapse summary::-webkit-details-marker { display: none; }
.new-scene-collapse summary:hover { color: var(--red); }
.new-scene-collapse summary .plus {
  width: 18px; height: 18px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--black); color: #fff;
  font-size: 14px; line-height: 1;
}
.new-scene-collapse[open] summary .plus { background: var(--red); }
.new-scene-collapse[open] summary { border-bottom: 1px solid var(--line); }
.new-scene-collapse .new-scene-body { padding: 20px; }

/* 高级配置折叠面板 (模型设置) — 默认折叠, 与 .new-scene-collapse 同风格但更克制 */
.adv-config-collapse {
  margin: 12px 0 16px;
  border: 1px solid var(--line);
  background: var(--bg-softer);
  border-radius: 6px;
  overflow: hidden;
}
.adv-config-collapse summary {
  padding: 12px 16px;
  list-style: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--gray-1);
  user-select: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.adv-config-collapse summary::-webkit-details-marker { display: none; }
.adv-config-collapse summary::before {
  content: "+";
  width: 16px; height: 16px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--gray-4); color: #fff;
  font-size: 12px; line-height: 1;
  border-radius: 3px;
  flex-shrink: 0;
}
.adv-config-collapse[open] summary::before { content: "−"; background: var(--red); }
.adv-config-collapse[open] summary { border-bottom: 1px solid var(--line); }
.adv-config-collapse summary .sub { font-weight: 400; color: var(--gray-2); margin-left: 4px; }
.adv-config-collapse summary:hover { color: var(--black); }
.adv-config-collapse .adv-config-body { padding: 16px; }