/* ═══════════════════════════════════════════════════════════
   小栈AI 全局对话弹窗样式 — Floating Chat
   设计规范：右侧420px面板 / fixed定位 / z-index:99999
   适配：Zibll暗色模式 / 响应式移动端全屏 / 主题变量
   ═══════════════════════════════════════════════════════════ */

/* ─── CSS 变量（日间模式） ─── */
:root {
  --xzd-bg: #ffffff;
  --xzd-bg-secondary: #f8f9fa;
  --xzd-bg-tertiary: #f0f1f3;
  --xzd-border: #e2e3e5;
  --xzd-text: #1a1a2e;
  --xzd-text-secondary: #6b7280;
  --xzd-text-muted: #9ca3af;
  --xzd-primary: #4f46e5;
  --xzd-primary-hover: #4338ca;
  --xzd-success: #10b981;
  --xzd-warning: #f59e0b;
  --xzd-danger: #ef4444;
  --xzd-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  --xzd-radius: 12px;
  --xzd-radius-sm: 8px;
}

/* ─── Zibll 主题深度适配 — 继承子比原生CSS变量 ─── */
/* 面板整体 */
body.dark-theme #xzd-chat-panel,
#xzd-chat-panel.xzd-dark {
  background: var(--main-bg-color, #1d1d2b) !important;
  color: var(--main-color, #d0d0d0) !important;
  border-color: var(--main-border-color, #2d2d3f) !important;
}
/* 面板头部 */
body.dark-theme .xzd-chat-header,
#xzd-chat-panel.xzd-dark .xzd-chat-header {
  background: var(--main-bg-color, #1d1d2b) !important;
  border-color: var(--main-border-color, #2d2d3f) !important;
  color: var(--main-color, #d0d0d0) !important;
}
/* 会话列表 */
body.dark-theme .xzd-chat-sessions,
#xzd-chat-panel.xzd-dark .xzd-chat-sessions {
  background: var(--main-bg-color, #1d1d2b) !important;
  border-color: var(--main-border-color, #2d2d3f) !important;
}
/* 用户气泡 — 使用主题色 */
body.dark-theme .xzd-chat-bubble-user,
#xzd-chat-panel.xzd-dark .xzd-chat-bubble-user {
  background: var(--focus-color, #3b4dff) !important;
}
/* AI气泡 — 使用次级背景 */
body.dark-theme .xzd-chat-bubble-ai,
#xzd-chat-panel.xzd-dark .xzd-chat-bubble-ai {
  background: var(--muted-bg-color, #26263a) !important;
}
/* 输入区 */
body.dark-theme .xzd-chat-input-area,
#xzd-chat-panel.xzd-dark .xzd-chat-input-area {
  background: var(--main-bg-color, #1d1d2b) !important;
  border-color: var(--main-border-color, #2d2d3f) !important;
}
body.dark-theme .xzd-chat-input,
#xzd-chat-panel.xzd-dark .xzd-chat-input {
  background: var(--muted-bg-color, #26263a) !important;
  color: var(--main-color, #d0d0d0) !important;
  border-color: var(--main-border-color, #2d2d3f) !important;
}
/* 发送按钮 — 使用主题色 */
body.dark-theme .xzd-chat-send-btn,
#xzd-chat-panel.xzd-dark .xzd-chat-send-btn {
  background: var(--focus-color, #6366f1) !important;
}
/* 面板圆角 — 跟随Zibll */
#xzd-chat-panel {
  border-radius: var(--main-radius, 0) var(--main-radius, 0) 0 0 !important;
}
/* 字体跟随主题 */
.xzd-theme-zibll #xzd-chat-panel {
  font-family: inherit !important;
}
/* 快捷操作栏 / 状态栏 */
body.dark-theme .xzd-chat-quickbar,
body.dark-theme .xzd-chat-status-bar,
#xzd-chat-panel.xzd-dark .xzd-chat-quickbar,
#xzd-chat-panel.xzd-dark .xzd-chat-status-bar {
  background: var(--main-bg-color, #1d1d2b) !important;
  border-color: var(--main-border-color, #2d2d3f) !important;
}
/* 工具卡片头部 */
body.dark-theme .xzd-tc-header,
#xzd-chat-panel.xzd-dark .xzd-tc-header {
  background: var(--muted-bg-color, #26263a) !important;
}
body.dark-theme .xzd-tc-detail,
#xzd-chat-panel.xzd-dark .xzd-tc-detail {
  background: var(--main-bg-color, #1d1d2b) !important;
  border-color: var(--main-border-color, #2d2d3f) !important;
}

/* 时间分隔线 — 暗色模式 */
body.dark-theme .xzd-chat-time-divider span,
#xzd-chat-panel.xzd-dark .xzd-chat-time-divider span {
  color: var(--muted-color, #999) !important;
  background: var(--muted-bg-color, #2a2a3a) !important;
}

/* 滚动条 — 暗色模式 */
body.dark-theme .xzd-chat-messages::-webkit-scrollbar-thumb,
#xzd-chat-panel.xzd-dark .xzd-chat-messages::-webkit-scrollbar-thumb {
  background: var(--main-border-color, #3a3a4a) !important;
}
body.dark-theme .xzd-chat-messages::-webkit-scrollbar-track,
#xzd-chat-panel.xzd-dark .xzd-chat-messages::-webkit-scrollbar-track {
  background: var(--main-bg-color, #1d1d2b) !important;
}

/* ─── 触发按钮 ─── */
.xzd-chat-trigger {
  position: fixed !important;
  bottom: var(--xzd-trigger-bottom, 24px) !important;
  right: var(--xzd-trigger-right, 24px) !important;
  z-index: 999998 !important;
  width: 52px !important;
  height: 52px !important;
  border-radius: 50% !important;
  background: #4f46e5 !important;
  color: #fff !important;
  border: none !important;
  cursor: pointer !important;
  pointer-events: auto !important;
  box-shadow: 0 4px 16px rgba(79, 70, 229, 0.35) !important;
  display: flex;
  align-items: center !important;
  justify-content: center !important;
  transition: transform 0.2s, box-shadow 0.2s !important;
  margin: 0 !important;
  padding: 0 !important;
  font-size: inherit !important;
  line-height: 1 !important;
  animation: xzd-breathe 3s ease-in-out infinite;
}

@keyframes xzd-breathe {
  0%, 100% { box-shadow: 0 4px 16px rgba(79, 70, 229, 0.35); }
  50% { box-shadow: 0 4px 24px rgba(79, 70, 229, 0.6), 0 0 40px rgba(79, 70, 229, 0.2); }
}
.xzd-chat-trigger:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(79, 70, 229, 0.5);
}

.xzd-chat-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 20px;
  height: 20px;
  border-radius: 10px;
  background: var(--xzd-danger);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
}

/* ─── 弹窗面板 ─── */
#xzd-chat-panel {
  position: fixed !important;
  top: 25% !important;
  right: 0 !important;
  bottom: 24px !important;
  width: 400px !important;
  max-width: 100vw !important;
  min-width: 320px !important;
  background: var(--xzd-bg) !important;
  color: var(--xzd-text) !important;
  border-left: 1px solid var(--xzd-border) !important;
  box-shadow: var(--xzd-shadow) !important;
  display: flex !important;
  flex-direction: column !important;
  z-index: 999999 !important;
  font-family: inherit !important;
  font-size: 14px !important;
  line-height: 1.6 !important;
  pointer-events: none !important;
  margin: 0 !important;
  padding: 0 !important;
  box-sizing: border-box !important;
  visibility: hidden;
  opacity: 0;
  transform: scale(0.92) translateY(16px);
  transform-origin: bottom right;
  transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
              visibility 0.25s;
}
#xzd-chat-panel.xzd-open {
  visibility: visible;
  opacity: 1;
  transform: scale(1) translateY(0);
  pointer-events: auto !important;
}
#xzd-chat-panel.xzd-fullscreen {
  width: 100vw !important;
  border-left: none !important;
}

/* ─── 头部 ─── */
.xzd-chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--xzd-border);
  background: var(--xzd-bg);
  flex-shrink: 0;
}

.xzd-chat-header-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.xzd-chat-logo {
  font-size: 22px;
  line-height: 1;
}

.xzd-chat-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--xzd-text);
}

.xzd-chat-admin-badge {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 10px;
  background: var(--xzd-primary);
  color: #fff;
  font-weight: 500;
}

.xzd-chat-header-right {
  display: flex;
  gap: 4px;
}

.xzd-chat-btn-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--xzd-text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
}

.xzd-chat-btn-icon:hover {
  background: var(--xzd-bg-tertiary);
  color: var(--xzd-text);
}

.xzd-chat-btn-text {
  background: none;
  border: none;
  color: var(--xzd-primary);
  font-size: 13px;
  cursor: pointer;
  padding: 4px 8px;
}

/* ─── 消息区域 ─── */
.xzd-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scroll-behavior: smooth;
}

.xzd-chat-messages::-webkit-scrollbar {
  width: 5px;
}

.xzd-chat-messages::-webkit-scrollbar-thumb {
  background: var(--xzd-border);
  border-radius: 3px;
}

/* ─── 欢迎界面 ─── */
.xzd-chat-welcome {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 32px 16px;
  gap: 8px;
}

.xzd-chat-welcome-icon {
  font-size: 48px;
  margin-bottom: 8px;
}

.xzd-chat-welcome h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--xzd-text);
  margin: 0;
}

.xzd-chat-welcome p {
  font-size: 13px;
  color: var(--xzd-text-secondary);
  margin: 0 0 12px 0;
}

.xzd-chat-welcome-hints {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.xzd-chat-hint {
  padding: 6px 14px;
  border-radius: 16px;
  border: 1px solid var(--xzd-border);
  background: var(--xzd-bg-secondary);
  color: var(--xzd-text);
  font-size: 12px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.xzd-chat-hint:hover {
  background: var(--xzd-primary);
  border-color: var(--xzd-primary);
  color: #fff;
}

.xzd-chat-empty-text {
  text-align: center;
  color: var(--xzd-text-muted);
  font-size: 13px;
  padding: 24px;
}

/* ─── 消息气泡（头像 + 名称 聊天布局） ─── */
.xzd-chat-message {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  max-width: 100%;
}

.xzd-chat-msg-user {
  flex-direction: column;
  align-items: flex-end;
}

.xzd-chat-msg-assistant {
  flex-direction: row;
}

.xzd-chat-msg-avatar {
  flex-shrink: 0;
}

.xzd-chat-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.xzd-chat-avatar-text {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--xzd-bg-tertiary);
  color: var(--xzd-text-secondary);
  font-size: 14px;
  font-weight: 600;
}

.xzd-chat-msg-content {
  display: flex;
  flex-direction: column;
  min-width: 0;
  max-width: 100%;
}

.xzd-chat-msg-user .xzd-chat-msg-content {
  align-items: flex-end;
}

.xzd-chat-msg-assistant .xzd-chat-msg-content {
  align-items: flex-start;
}

.xzd-chat-msg-meta {
  margin-bottom: 2px;
  padding: 0 4px;
}

.xzd-chat-msg-name {
  font-size: 11px;
  color: var(--xzd-text-muted);
  font-weight: 500;
}

/* 用户消息 — 头像和名称在右侧上方，内容气泡在下方 */
.xzd-chat-msg-user-right {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  margin-bottom: 4px;
}

/* 微信风格时间分隔线 */
.xzd-chat-time-divider {
  text-align: center;
  margin: 12px 0;
}
.xzd-chat-time-divider span {
  display: inline-block;
  padding: 2px 10px;
  font-size: 11px;
  color: #b0b0b0;
  background: #f0f0f0;
  border-radius: 3px;
}

.xzd-chat-bubble {
  max-width: 100%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 13px;
  word-break: break-word;
}

.xzd-chat-bubble-user {
  background: var(--xzd-primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.xzd-chat-bubble-ai {
  background: var(--xzd-bg-secondary);
  color: var(--xzd-text);
  border-bottom-left-radius: 4px;
}

.xzd-chat-content h1,
.xzd-chat-content h2,
.xzd-chat-content h3,
.xzd-chat-content h4 {
  margin: 8px 0 4px;
  font-size: 14px;
  font-weight: 600;
}

.xzd-chat-content p {
  margin: 4px 0;
}

.xzd-chat-content ul,
.xzd-chat-content ol {
  margin: 4px 0;
  padding-left: 20px;
}

.xzd-chat-content code {
  background: var(--xzd-bg-tertiary);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 12px;
  font-family: "SF Mono", "Menlo", monospace;
}

.xzd-chat-content pre {
  background: var(--xzd-bg-tertiary);
  padding: 10px;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 12px;
  margin: 6px 0;
}

.xzd-chat-content pre code {
  background: none;
  padding: 0;
}

.xzd-chat-content table {
  border-collapse: collapse;
  width: 100%;
  font-size: 12px;
  margin: 6px 0;
}

.xzd-chat-content th,
.xzd-chat-content td {
  border: 1px solid var(--xzd-border);
  padding: 4px 8px;
  text-align: left;
}

.xzd-chat-content a {
  color: var(--xzd-primary);
  text-decoration: none;
}

.xzd-chat-content a:hover {
  text-decoration: underline;
}

/* ─── 流式输出光标 ─── */
.xzd-chat-cursor {
  display: inline-block;
  width: 2px;
  height: 16px;
  background: var(--xzd-primary);
  margin-left: 1px;
  animation: xzd-blink 0.8s infinite;
  vertical-align: text-bottom;
}

@keyframes xzd-blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* ─── 加载动画 ─── */
.xzd-chat-loading {
  display: flex;
  gap: 6px;
  padding: 12px 16px;
  align-items: center;
}

.xzd-chat-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--xzd-primary);
  opacity: 0.4;
  animation: xzd-dot-bounce 1.2s infinite;
}

.xzd-chat-dot:nth-child(2) { animation-delay: 0.2s; }
.xzd-chat-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes xzd-dot-bounce {
  0%, 80%, 100% { opacity: 0.2; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1.2); }
}

/* ─── 工具调用卡片 ─── */
.xzd-chat-tool-calls {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.xzd-chat-tool-card {
  border-radius: 8px;
  border: 1px solid var(--xzd-border);
  overflow: hidden;
  font-size: 12px;
}

.xzd-tc-success {
  border-left: 3px solid var(--xzd-success);
}

.xzd-tc-error {
  border-left: 3px solid var(--xzd-danger);
}

.xzd-tc-pending {
  border-left: 3px solid var(--xzd-warning);
}

.xzd-tc-confirm {
  border-left: 3px solid #f59e0b;
  background: #fffbeb;
}
.dark-theme .xzd-tc-confirm,
body.dark-theme .xzd-tc-confirm {
  background: #292524;
  border-left-color: #d97706;
}

.xzd-tc-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  cursor: pointer;
  background: var(--xzd-bg-secondary);
  transition: background 0.15s;
}

.xzd-tc-header:hover {
  background: var(--xzd-bg-tertiary);
}

.xzd-tc-status {
  font-size: 14px;
  width: 18px;
  text-align: center;
}

.xzd-tc-name {
  flex: 1;
  font-weight: 500;
  color: var(--xzd-text);
}

.xzd-tc-toggle {
  font-size: 11px;
  color: var(--xzd-text-secondary);
}

.xzd-tc-detail {
  display: none;
  padding: 8px 12px;
  background: var(--xzd-bg);
  border-top: 1px solid var(--xzd-border);
}
.xzd-tc-detail.xzd-tc-expanded {
  display: block;
}

.xzd-tc-section {
  margin-bottom: 6px;
}

.xzd-tc-section strong {
  display: block;
  font-size: 11px;
  color: var(--xzd-text-secondary);
  margin-bottom: 2px;
}

.xzd-tc-section pre {
  margin: 0;
  padding: 6px 8px;
  background: var(--xzd-bg-tertiary);
  border-radius: 4px;
  font-size: 11px;
  overflow-x: auto;
  max-height: 120px;
}

/* 工具结果数据网格 */
.xzd-tc-data-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  padding: 6px 0;
}
.xzd-tc-kv {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  padding: 2px 8px;
  background: var(--xzd-bg-tertiary);
  border-radius: 4px;
}
.xzd-tc-k {
  color: var(--xzd-text-muted);
  font-weight: 500;
}
.xzd-tc-v {
  color: var(--xzd-text);
  font-weight: 600;
}

/* 工具结果标签 (数组元素展示) */
.xzd-tc-tag {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px 8px;
  margin: 2px;
  background: #e0f2fe;
  color: #0369a1;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}
.xzd-tc-tag small {
  font-size: 10px;
  color: #64748b;
  margin-left: 2px;
}
.dark-theme .xzd-tc-tag,
body.dark-theme .xzd-tc-tag {
  background: #1e3a5f;
  color: #7dd3fc;
}
.dark-theme .xzd-tc-tag small,
body.dark-theme .xzd-tc-tag small {
  color: #94a3b8;
}

/* 工具结果截断提示（超过10项时显示） */
.xzd-tc-truncate-hint {
  margin-top: 8px;
  padding: 6px 12px;
  background: #fef3c7;
  color: #92400e;
  border-radius: 6px;
  font-size: 12px;
  text-align: center;
  border: 1px solid #fcd34d;
}
.xzd-tc-truncate-hint b {
  font-weight: 700;
  color: #78350f;
}
.dark-theme .xzd-tc-truncate-hint,
body.dark-theme .xzd-tc-truncate-hint {
  background: #422006;
  color: #fbbf24;
  border-color: #78350f;
}
.dark-theme .xzd-tc-truncate-hint b,
body.dark-theme .xzd-tc-truncate-hint b {
  color: #fde68a;
}

/* 工具结果可点击链接 */
.xzd-tc-link {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px 8px;
  margin: 2px;
  background: #dbeafe;
  color: #1d4ed8;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.15s;
}
.xzd-tc-link:hover {
  background: #bfdbfe;
  color: #1e40af;
  text-decoration: underline;
}
.dark-theme .xzd-tc-link,
body.dark-theme .xzd-tc-link {
  background: #1e3a5f;
  color: #93c5fd;
}
.dark-theme .xzd-tc-link:hover,
body.dark-theme .xzd-tc-link:hover {
  background: #1e4a7a;
  color: #bfdbfe;
}

/* 工具结果空值 / 布尔值 */
.xzd-tc-empty { color: var(--xzd-text-muted); font-style: italic; font-size: 11px; }
.xzd-tc-bool-true { color: #16a34a; font-weight: 600; }
.xzd-tc-bool-false { color: #dc2626; font-weight: 600; }
.xzd-tc-success-text { color: #16a34a; font-weight: 500; }

/* 工具结果状态消息 */
.xzd-tc-status-msg {
  font-size: 12px;
  color: var(--xzd-text);
  padding: 4px 0 6px 0;
  border-bottom: 1px solid var(--xzd-border);
  margin-bottom: 4px;
}

/* 嵌套 KV (对象值内的键值对) */
.xzd-tc-kv-inner {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin: 1px 4px;
}
.xzd-tc-kv-inner .xzd-tc-k {
  font-size: 11px;
  color: var(--xzd-text-muted);
}
.xzd-tc-kv-inner .xzd-tc-v {
  font-size: 11px;
  font-weight: 500;
}

/* ─── 确认请求卡片 ─── */
.xzd-chat-confirm-card {
  margin-top: 8px;
  padding: 12px;
  border-radius: 8px;
  background: #fffbeb;
  border: 1px solid #fcd34d;
}

.dark-theme .xzd-chat-confirm-card,
body.dark-theme .xzd-chat-confirm-card {
  background: #292524;
  border-color: #713f12;
}

.xzd-chat-confirm-card p {
  margin: 0 0 10px 0;
  font-size: 13px;
  color: var(--xzd-text);
}

.xzd-chat-confirm-actions {
  display: flex;
  gap: 8px;
}

/* 多选项确认卡片（重复处理等） */
.xzd-chat-confirm-choices .choice-actions {
  flex-direction: column;
  gap: 6px;
}
.xzd-chat-btn-choice {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--xzd-border);
  background: var(--xzd-bg);
  color: var(--xzd-text);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
}
.xzd-chat-btn-choice:hover {
  border-color: #3b82f6;
  background: #eff6ff;
}
.xzd-chat-btn-choice small {
  font-size: 11px;
  color: var(--xzd-text-muted);
  font-weight: 400;
  margin-top: 2px;
}
.dark-theme .xzd-chat-btn-choice:hover,
body.dark-theme .xzd-chat-btn-choice:hover {
  border-color: #60a5fa;
  background: #1e3a5f;
}

.xzd-chat-btn-confirm {
  padding: 6px 16px;
  border-radius: 6px;
  border: none;
  background: var(--xzd-danger);
  color: #fff;
  font-size: 13px;
  cursor: pointer;
  font-weight: 500;
}

.xzd-chat-btn-confirm:hover {
  opacity: 0.9;
}

.xzd-chat-btn-cancel {
  padding: 6px 16px;
  border-radius: 6px;
  border: 1px solid var(--xzd-border);
  background: var(--xzd-bg);
  color: var(--xzd-text);
  font-size: 13px;
  cursor: pointer;
}

/* ─── 输入区 ─── */
.xzd-chat-input-area {
  padding: 10px 16px;
  border-top: 1px solid var(--xzd-border);
  display: flex;
  gap: 8px;
  align-items: flex-end;
  background: var(--xzd-bg);
  flex-shrink: 0;
}

.xzd-chat-input {
  flex: 1;
  border: 1px solid var(--xzd-border);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 13px;
  font-family: inherit;
  resize: none;
  outline: none;
  background: var(--xzd-bg-secondary);
  color: var(--xzd-text);
  min-height: 40px;
  max-height: 120px;
  line-height: 1.5;
  transition: border-color 0.15s;
}

.xzd-chat-input:focus {
  border-color: var(--xzd-primary);
}

.xzd-chat-input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.xzd-chat-send-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: none;
  background: var(--xzd-primary);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.15s, opacity 0.15s;
}

.xzd-chat-send-btn:hover:not(:disabled) {
  background: var(--xzd-primary-hover);
}

.xzd-chat-send-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.xzd-chat-send-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ─── 状态栏 ─── */
.xzd-chat-status-bar {
  padding: 5px 16px;
  border-top: 1px solid var(--xzd-border);
  background: var(--xzd-bg-secondary);
  font-size: 11px;
  color: var(--xzd-text-muted);
  display: flex;
  justify-content: space-between;
  flex-shrink: 0;
}

.xzd-chat-status-bar strong {
  color: var(--xzd-text-secondary);
  font-weight: 500;
}

/* ─── 快捷操作栏 ─── */
.xzd-chat-quickbar {
  padding: 8px 16px;
  border-top: 1px solid var(--xzd-border);
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  background: var(--xzd-bg);
  flex-shrink: 0;
}

.xzd-chat-quick-btn {
  padding: 4px 10px;
  border-radius: 14px;
  border: 1px solid var(--xzd-border);
  background: var(--xzd-bg-secondary);
  color: var(--xzd-text-secondary);
  font-size: 11px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
}

.xzd-chat-quick-btn:hover {
  background: var(--xzd-primary);
  border-color: var(--xzd-primary);
  color: #fff;
}

/* ─── 会话列表 ─── */
.xzd-chat-sessions {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.xzd-chat-sessions-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--xzd-border);
  font-size: 14px;
  font-weight: 600;
  color: var(--xzd-text);
}

.xzd-chat-sessions-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.xzd-chat-session-item {
  padding: 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
  margin-bottom: 4px;
}

.xzd-chat-session-item:hover {
  background: var(--xzd-bg-secondary);
}

.xzd-chat-session-item.active {
  background: rgba(79, 70, 229, 0.08);
  border: 1px solid var(--xzd-primary);
}

.xzd-chat-session-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--xzd-text);
  margin-bottom: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.xzd-chat-session-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--xzd-text-muted);
}

.xzd-chat-btn-delete {
  background: none;
  border: none;
  color: var(--xzd-text-muted);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 4px;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s;
}

.xzd-chat-session-item:hover .xzd-chat-btn-delete {
  opacity: 1;
}

.xzd-chat-btn-delete:hover {
  color: var(--xzd-danger);
}

/* ─── 面板过渡动画 ─── */
#xzd-chat-panel.xzd-open {
  animation: xzdSlideIn 0.25s ease-out;
}

@keyframes xzdSlideIn {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

/* ─── 移动端响应式 ─── */
@media (max-width: 768px) {
  #xzd-chat-panel.xzd-fullscreen {
    width: 100vw;
    border-left: none;
  }

  .xzd-chat-trigger {
    bottom: 16px;
    right: 16px;
    width: 46px;
    height: 46px;
  }

  .xzd-chat-bubble {
    max-width: 95%;
  }
}

/* ─── WordPress 后台适配 ─── */
body.wp-admin #xzd-chat-panel {
  top: 32px;
}

@media (max-width: 782px) {
  body.wp-admin #xzd-chat-panel {
    top: 46px;
  }
}

/* ─── 打印时隐藏 ─── */
@media print {
  #xzd-chat-trigger,
  #xzd-chat-panel,
  .xzd-chat-overlay {
    display: none !important;
  }
}

/* ══════════════════════════════════════════════════════
   Zibll 主题深度适配
   ══════════════════════════════════════════════════════ */

/* ─── Zibll 悬浮按钮序列中的 AI 按钮 ─── */
.float-right .float-btn.xzd-ai-btn {
  animation: xzd-breathe 3s ease-in-out infinite;
  cursor: pointer;
  position: relative;
}
.float-right .float-btn.xzd-ai-btn svg {
  width: 18px;
  height: 18px;
}
.float-right .float-btn.xzd-ai-btn .xzd-chat-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  background: #ef4444;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
  line-height: 1;
  box-shadow: 0 2px 4px rgba(239,68,68,0.4);
}

/* ─── Zibll 适配：面板避让右侧悬浮按钮 ─── */
#xzd-chat-panel.xzd-theme-zibll {
  right: 58px !important;
}

/* ─── Zibll 暗色模式：面板变量覆盖（纯黑底色，匹配子比主题夜间模式） ─── */
body.dark-theme #xzd-chat-panel,
#xzd-chat-panel.xzd-dark {
  --xzd-bg: #0a0a0a;
  --xzd-bg-secondary: #1a1a1a;
  --xzd-bg-tertiary: #2a2a2a;
  --xzd-border: #333333;
  --xzd-text: #e4e4ed;
  --xzd-text-secondary: #9ca3af;
  --xzd-text-muted: #6b7280;
  --xzd-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
}

/* ─── Zibll 悬浮按钮适配 — AI按钮融入主题悬浮序列 ─── */
/* 当AI按钮被注入Zibll的.float-right容器时，继承Zibll float-btn样式 */
.float-right .float-btn.xzd-ai-btn {
  /* 继承 .float-right .float-btn: 40px, flex column */
  /* 颜色跟随Zibll变量 */
  --this-color: var(--muted-2-color);
  --this-bg: var(--float-btn-bg);
  background: var(--this-bg);
  color: var(--this-color) !important;
  cursor: pointer;
  position: relative;
}
.float-right .float-btn.xzd-ai-btn:hover {
  --this-color: var(--focus-color);
  color: var(--focus-color) !important;
}
.float-right .float-btn.xzd-ai-btn svg {
  width: 1.4em;
  height: 1.4em;
}
/* AI按钮在Zibll容器中的徽章 — 匹配Zibll badge样式 */
.float-right .float-btn.xzd-ai-btn .xzd-chat-badge {
  transform: translate(-11px, -5px) scale(0.85);
  margin-right: -50px;
  right: auto;
  left: 35px;
  top: auto;
  font-size: 12px;
  position: absolute;
  min-width: auto;
  height: auto;
  border-radius: 50px;
  background: var(--xzd-danger);
  color: #fff;
  padding: 1px 6px;
}
/* 毛玻璃效果 — .filter类通常在.float-right容器上 */
.filter .float-btn.xzd-ai-btn {
  -webkit-backdrop-filter: saturate(2) blur(10px);
  backdrop-filter: saturate(2) blur(10px);
}

/* ─── 独立触发按钮（非Zibll或降级时使用） ─── */
/* 通用暗色下的独立按钮 */
body.dark-theme .xzd-chat-trigger {
  background: var(--focus-color, #6366f1) !important;
}
/* Zibll主题下独立按钮也使用主题色 */
.xzd-theme-zibll .xzd-chat-trigger {
  background: var(--focus-color, #f04494) !important;
  box-shadow: 0 4px 16px var(--focus-shadow-color, rgba(240,68,148,0.35)) !important;
}

/* Zibll 适配：确认卡片暗色 */
body.dark-theme .xzd-chat-confirm-card,
#xzd-chat-panel.xzd-dark .xzd-chat-confirm-card {
  background: #292524;
  border-color: #713f12;
}
/* 亮色模式确认卡片也使用Zibll变量（当在Zibll主题中时） */
.xzd-theme-zibll .xzd-chat-confirm-card {
  border-radius: var(--main-radius, 8px);
}

/* ─── 自定义确认弹窗（会话删除等） ─── */
.xzd-confirm-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  opacity: 0;
  transition: opacity 0.2s ease;
  border-radius: inherit;
}
.xzd-confirm-overlay.xzd-confirm-visible {
  opacity: 1;
}
.xzd-confirm-card {
  background: var(--xzd-bg);
  border-radius: 12px;
  padding: 24px;
  max-width: 300px;
  width: 85%;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
  transform: scale(0.9);
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.xzd-confirm-visible .xzd-confirm-card {
  transform: scale(1);
}
.xzd-confirm-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--xzd-text);
  margin-bottom: 8px;
}
.xzd-confirm-body {
  font-size: 13px;
  color: var(--xzd-text-secondary);
  margin-bottom: 20px;
  line-height: 1.5;
}
.xzd-confirm-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}
.xzd-confirm-btn-cancel {
  padding: 8px 18px;
  border-radius: 8px;
  border: 1px solid var(--xzd-border);
  background: var(--xzd-bg-secondary);
  color: var(--xzd-text);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s;
}
.xzd-confirm-btn-cancel:hover {
  background: var(--xzd-bg-tertiary);
}
.xzd-confirm-btn-ok {
  padding: 8px 18px;
  border-radius: 8px;
  border: none;
  background: var(--xzd-danger);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s;
}
.xzd-confirm-btn-ok:hover {
  opacity: 0.85;
}
/* 确认弹窗暗色适配 */
body.dark-theme .xzd-confirm-card,
#xzd-chat-panel.xzd-dark .xzd-confirm-card {
  background: var(--main-bg-color, #1d1d2b);
  color: var(--main-color, #d0d0d0);
}
body.dark-theme .xzd-confirm-overlay,
#xzd-chat-panel.xzd-dark .xzd-confirm-overlay {
  background: rgba(0, 0, 0, 0.6);
}

/* ─── 主动通知 Toast ─── */
.xzd-proactive-toast {
  position: fixed !important;
  z-index: 999997 !important;
  max-width: 280px;
  min-width: 200px;
  background: var(--xzd-bg);
  border: 1px solid var(--xzd-border);
  border-radius: 12px;
  padding: 12px 16px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  pointer-events: auto;
  opacity: 0;
  transform: translateY(-20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  font-size: 13px;
  line-height: 1.5;
  color: var(--xzd-text);
}
.xzd-proactive-toast.xzd-toast-visible {
  opacity: 1;
  transform: translateY(0);
}
.xzd-proactive-toast.xzd-toast-hiding {
  opacity: 0;
  transform: translateY(-12px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.xzd-toast-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  background: var(--xzd-bg-tertiary);
}
.xzd-toast-text {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  word-break: break-word;
}
.xzd-toast-close {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: none;
  background: transparent;
  color: var(--xzd-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  line-height: 1;
  transition: background 0.15s, color 0.15s;
  padding: 0;
}
.xzd-toast-close:hover {
  background: var(--xzd-bg-tertiary);
  color: var(--xzd-text);
}
/* Toast 暗色适配 */
body.dark-theme .xzd-proactive-toast,
.xzd-dark .xzd-proactive-toast {
  background: var(--main-bg-color, #1d1d2b);
  border-color: var(--main-border-color, #2d2d3f);
  color: var(--main-color, #d0d0d0);
}