/* ==========================================================================
   Ask AI 聊天组件样式 - 适配博客主题
   ========================================================================== */

:root {
  /* 通用变量 */
  --ai-backdrop-blur: 0.4rem;
  --ai-transition-fast: 0.15s ease;
  --ai-transition-normal: 0.3s ease;
  --ai-border-radius-btn: 4px;
  --ai-border-radius-main: 6px;
  --ai-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --ai-shadow-md: 0 2px 10px rgba(0, 0, 0, 0.08);
  --ai-shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
}

/* 浮动触发按钮容器 */
.ai-chat-trigger {
  position: fixed;
  bottom: 160px;
  display: flex;
  align-items: center;
  gap: 0;
  z-index: 999;
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              bottom 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  background: none;
  border: none;
  outline: none;
}

/* 默认固定在右侧 */
.ai-chat-trigger.ai-chat-right {
  left: auto;
  right: 24px;
  transform: none;
}

/* 贴边：标签形态 - 竖向贴边，像书签一样 */
.ai-chat-trigger.ai-chat-right.ai-chat-pinned {
  right: 0;
  flex-direction: column;
  bottom: 160px;
}

.ai-chat-trigger.ai-chat-right.ai-chat-pinned .ai-chat-main-btn {
  order: -1;
}

.ai-chat-trigger.ai-chat-right.ai-chat-pinned .ai-chat-main-btn {
  width: 44px;
  min-height: 120px;
  height: auto;
  padding: 16px 8px;
  flex-direction: column;
  gap: 12px;
  border-radius: 12px 0 0 12px;
  box-shadow: -4px 0 16px rgba(0, 0, 0, 0.1);
}

.ai-chat-trigger.ai-chat-right.ai-chat-pinned .ai-chat-main-btn .ai-chat-trigger-text {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  transition: opacity 0.25s ease;
}

.ai-chat-trigger.ai-chat-right.ai-chat-pinned .ai-chat-main-btn:hover {
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.12);
}

.ai-chat-trigger.ai-chat-right.ai-chat-pinned .ai-chat-main-btn svg {
  flex-shrink: 0;
}

/* 贴边时位置按钮：小圆钮在标签下方，用于取消贴边 */
.ai-chat-trigger.ai-chat-right.ai-chat-pinned .ai-chat-position-btn {
  margin-right: 0;
  margin-top: 8px;
  align-self: center;
}

/* 主按钮 - 液态玻璃风格 */
.ai-chat-main-btn {
  height: 44px;
  border-radius: 1.6rem;
  background-color: var(--md-default-bg-color--light, rgba(255, 255, 255, 0.9));
  color: var(--md-default-fg-color--light, #666);
  border: none;
  outline: none;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 1rem;
  transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              height 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              min-height 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              padding 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              gap 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              border-radius 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 0.8rem;
  font-weight: 400;
  font-family: inherit;
  backdrop-filter: blur(var(--ai-backdrop-blur));
  -webkit-backdrop-filter: blur(var(--ai-backdrop-blur));
}

.ai-chat-main-btn:focus,
.ai-chat-main-btn:focus-visible {
  outline: none;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.ai-chat-main-btn:hover {
  background-color: var(--md-default-bg-color, #fff);
  color: var(--md-default-fg-color, #333);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
}

.ai-chat-main-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.ai-chat-main-btn svg {
  flex-shrink: 0;
}

/* 位置切换按钮 */
.ai-chat-position-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--md-default-bg-color--light, rgba(255, 255, 255, 0.9));
  border: none;
  outline: none;
  color: var(--md-default-fg-color--light, #666);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 8px;
  margin-top: 0;
  transition: opacity 0.2s ease,
              transform 0.2s ease,
              margin 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow var(--ai-transition-fast);
  opacity: 0;
  transform: scale(0.8);
  backdrop-filter: blur(var(--ai-backdrop-blur));
  -webkit-backdrop-filter: blur(var(--ai-backdrop-blur));
  box-shadow: var(--ai-shadow-sm);
}

.ai-chat-position-btn:focus,
.ai-chat-position-btn:focus-visible {
  outline: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.ai-chat-trigger:hover .ai-chat-position-btn {
  opacity: 1;
  transform: scale(1);
}

.ai-chat-position-btn:hover {
  background-color: var(--md-default-bg-color, #fff);
  color: var(--md-default-fg-color, #333);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.ai-chat-position-btn svg {
  transition: transform var(--ai-transition-fast);
}

.ai-chat-trigger.ai-chat-pinned .ai-chat-position-btn {
  opacity: 1;
  transform: scale(1);
}

.ai-chat-trigger.ai-chat-pinned .ai-chat-position-btn svg {
  transform: rotate(-90deg);
}

/* 模态框 - 客服风格：侧边抽屉，不居中打断 */
.ai-chat-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: transparent;
  display: flex;
  align-items: stretch;
  justify-content: flex-end;
  z-index: 1000;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--ai-transition-normal), visibility var(--ai-transition-normal);
}

.ai-chat-modal.active {
  opacity: 1;
  visibility: visible;
}

/* 激活时可点击：点击空白区域（非面板）关闭 */
.ai-chat-modal.active {
  pointer-events: auto;
}

/* 聊天容器 - 侧边抽屉，从右侧滑入 */
.ai-chat-container {
  position: fixed;
  top: 0;
  right: 0;
  --ai-container-base-width: 400px;
  width: var(--ai-container-base-width);
  max-width: var(--ai-container-base-width);
  height: 100vh;
  background: var(--md-default-bg-color, #fff);
  border-radius: 0;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  margin: 0;
  transform: translateX(100%) translateZ(0);
  transition: transform var(--ai-transition-normal),
              max-width 0.2s cubic-bezier(0.4, 0, 0.2, 1),
              width 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: auto;
  z-index: 1001;
  contain: layout style paint;
  isolation: isolate;
}

.ai-chat-modal.active .ai-chat-container {
  transform: translateX(0) translateZ(0);
}

/* 头部 */
.ai-chat-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--md-default-fg-color--lightest, #eee);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--md-default-bg-color, #fff);
  flex-shrink: 0;
}

.ai-chat-header-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ai-chat-header-icon {
  color: var(--md-default-fg-color--light, #999);
  flex-shrink: 0;
}

.ai-chat-header-title {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--md-default-fg-color, #333);
  letter-spacing: -0.01em;
}

.ai-chat-header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.ai-chat-action-btn {
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
  color: var(--md-default-fg-color--light, #999);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--ai-border-radius-btn);
  transition: all var(--ai-transition-fast);
  opacity: 0.7;
}

.ai-chat-action-btn:hover {
  background: var(--md-default-fg-color--lightest, #f5f5f5);
  color: var(--md-default-fg-color, #333);
  opacity: 1;
}

.ai-chat-action-btn:active {
  transform: scale(0.95);
}

.ai-chat-close {
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
  color: var(--md-default-fg-color--light, #999);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--ai-border-radius-btn);
  transition: all var(--ai-transition-fast);
}

.ai-chat-close:hover {
  background: var(--md-default-fg-color--lightest, #f5f5f5);
  color: var(--md-default-fg-color, #333);
}

/* 建议提示区域 */
.ai-chat-prompts {
  display: none;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 16px 16px;
  justify-content: center;
  contain: layout style;
}

.ai-chat-prompts.visible {
  display: flex;
}

.ai-chat-prompt-btn {
  background: var(--md-default-fg-color--lightest, #f5f5f5);
  border: 1px solid var(--md-default-fg-color--lighter, #ddd);
  border-radius: 16px;
  padding: 8px 14px;
  font-size: 0.75rem;
  font-family: inherit;
  color: var(--md-default-fg-color, #333);
  cursor: pointer;
  transition: background var(--ai-transition-fast), 
              border-color var(--ai-transition-fast),
              color var(--ai-transition-fast);
  flex: 1 1 0;
  min-width: 0;
  text-align: center;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ai-chat-prompt-btn:hover {
  background: var(--md-primary-fg-color, #518FC1);
  border-color: var(--md-primary-fg-color, #518FC1);
  color: var(--md-primary-bg-color, #fff);
}

.ai-chat-prompt-btn:active {
  opacity: 0.9;
}

/* 输入区域 - 底部 */
.ai-chat-input-area {
  padding: 16px 20px;
  border-top: 1px solid var(--md-default-fg-color--lightest, #eee);
  display: flex;
  gap: 10px;
  background: var(--md-default-bg-color, #fff);
  flex-shrink: 0;
  min-width: 0;
  contain: layout style;
  will-change: contents;
}

#ai-chat-input {
  flex: 1;
  min-width: 0;
  padding: 10px 14px;
  border: 1px solid var(--md-default-fg-color--lighter, #ddd);
  border-radius: 6px;
  font-size: 0.8rem;
  font-family: inherit;
  background: var(--md-default-bg-color, #fff);
  color: var(--md-default-fg-color, #333);
  box-sizing: border-box;
  transition: border-color var(--ai-transition-fast);
}

#ai-chat-input:focus {
  outline: none;
  border-color: var(--md-primary-fg-color, #518FC1);
}

#ai-chat-input::placeholder {
  color: var(--md-default-fg-color--light, #999);
}

.ai-chat-send-btn {
  background: var(--md-primary-fg-color, #518FC1);
  color: var(--md-primary-bg-color, #fff);
  border: none;
  border-radius: 6px;
  width: 36px;
  height: 36px;
  padding: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--ai-transition-fast);
  flex-shrink: 0;
}

.ai-chat-send-btn svg {
  width: 16px;
  height: 16px;
}

.ai-chat-send-btn:hover {
  opacity: 0.9;
}

.ai-chat-send-btn:active {
  transform: scale(0.98);
}

.ai-chat-send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Menu Button (Vertical Ellipsis) */
.ai-chat-menu-wrapper {
  position: relative;
}

.ai-chat-menu-btn {
  background: var(--md-default-fg-color--lightest, #f5f5f5);
  color: var(--md-default-fg-color--light, #999);
  border: none;
  border-radius: 6px;
  width: 36px;
  height: 36px;
  padding: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--ai-transition-fast);
  flex-shrink: 0;
}

.ai-chat-menu-btn:hover {
  background: var(--md-default-fg-color--lighter, #ddd);
  color: var(--md-default-fg-color, #333);
}

.ai-chat-menu-btn:active {
  transform: scale(0.95);
}

.ai-chat-menu-btn svg {
  width: 16px;
  height: 16px;
}

.ai-chat-menu-btn svg circle {
  fill: currentColor;
}

/* Dropdown Menu */
.ai-chat-menu {
  position: absolute;
  bottom: 100%;
  right: 0;
  margin-bottom: 8px;
  background: var(--md-default-bg-color, #fff);
  border: 1px solid var(--md-default-fg-color--lightest, #eee);
  border-radius: 8px;
  box-shadow: var(--md-shadow-z3, 0 8px 24px rgba(0, 0, 0, 0.15));
  min-width: 120px;
  padding: 4px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--ai-transition-fast), transform var(--ai-transition-fast), visibility var(--ai-transition-fast);
  z-index: 10;
}

.ai-chat-menu.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.ai-chat-menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 10px;
  background: none;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  color: var(--md-default-fg-color, #333);
  font-size: 0.75rem;
  font-family: inherit;
  text-align: left;
  transition: background 0.15s ease;
}

.ai-chat-menu-item:hover {
  background: var(--md-default-fg-color--lightest, #f5f5f5);
}

.ai-chat-menu-item:active {
  transform: scale(0.98);
}

.ai-chat-menu-item svg {
  color: var(--md-default-fg-color--light, #999);
  flex-shrink: 0;
}

.ai-chat-menu-item span {
  flex: 1;
}

/* Dark mode for menu */
[data-md-color-scheme="slate"] .ai-chat-menu {
  background: var(--md-default-bg-color);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

[data-md-color-scheme="slate"] .ai-chat-menu-btn {
  background: rgba(255, 255, 255, 0.08);
}

[data-md-color-scheme="slate"] .ai-chat-menu-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* 消息区域 */
.ai-chat-messages {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  background: var(--md-default-bg-color, #fff);
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 200px;
  max-height: none;
  /* Prevent scroll chaining to parent/body */
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  contain: layout style paint;
}

.ai-message {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  max-width: 100%;
}

.ai-message-content {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.8rem;
  line-height: 1.6;
  word-wrap: break-word;
}

.ai-message-bot .ai-message-content {
  background: var(--md-default-fg-color--lightest, #f5f5f5);
  color: var(--md-default-fg-color, #333);
  border-bottom-left-radius: 2px;
}

.ai-message-user {
  flex-direction: row-reverse;
}

.ai-message-user .ai-message-content {
  background: var(--md-primary-fg-color, #518FC1);
  color: var(--md-primary-bg-color, #fff);
  border-bottom-right-radius: 2px;
}

.ai-message-loading .ai-message-content {
  background: var(--md-default-fg-color--lightest, #f5f5f5);
  color: var(--md-default-fg-color--light, #999);
}

/* 加载动画 */
.ai-loading-content {
  display: flex;
  align-items: center;
  gap: 4px;
}

.ai-loading-text {
  font-weight: 500;
}

.ai-loading-dots {
  display: inline-flex;
  gap: 3px;
  margin-left: 2px;
}

.ai-dot {
  width: 4px;
  height: 4px;
  background: var(--md-default-fg-color--light, #999);
  border-radius: 50%;
  animation: dotPulse 1.4s ease-in-out infinite;
}

.ai-dot:nth-child(1) {
  animation-delay: 0s;
}

.ai-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.ai-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes dotPulse {
  0%, 60%, 100% {
    opacity: 0.3;
    transform: scale(1);
  }
  30% {
    opacity: 1;
    transform: scale(1.2);
  }
}

/* 消息内链接和样式 */
.ai-chat-link {
  color: var(--md-typeset-a-color, #518FC1);
  text-decoration: underline;
  font-weight: 500;
  transition: color 0.15s ease;
  word-break: break-word;
}

.ai-chat-link:hover {
  color: var(--md-accent-fg-color, #3a8dde);
}

.ai-message-content p {
  margin: 0 0 8px 0;
}

.ai-message-content p:last-child {
  margin-bottom: 0;
}

.ai-message-content strong {
  font-weight: 600;
}

.ai-message-content em {
  font-style: italic;
}

/* 滚动条 */
.ai-chat-messages::-webkit-scrollbar {
  width: 6px;
}

.ai-chat-messages::-webkit-scrollbar-track {
  background: transparent;
}

.ai-chat-messages::-webkit-scrollbar-thumb {
  background: var(--md-default-fg-color--lighter, #ddd);
  border-radius: 3px;
}

.ai-chat-messages::-webkit-scrollbar-thumb:hover {
  background: var(--md-default-fg-color--light, #999);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

/* Mobile - 不显示 Ask AI */
@media (max-width: 768px) {
  .ai-chat-trigger {
    display: none !important;
  }
}

/* Tablet */
@media (min-width: 769px) and (max-width: 1024px) {
  .ai-chat-trigger:not(.ai-chat-pinned) {
    bottom: 24px;
  }
}

/* Dark mode / Slate theme adjustments */
[data-md-color-scheme="slate"] .ai-chat-trigger {
  box-shadow: none;
  background: none;
  border: none;
  outline: none;
}

[data-md-color-scheme="slate"] .ai-chat-main-btn {
  background-color: rgba(40, 40, 40, 0.85);
  color: var(--md-default-fg-color--light, #aaa);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

[data-md-color-scheme="slate"] .ai-chat-main-btn:hover {
  background-color: rgba(50, 50, 50, 0.95);
  color: var(--md-default-fg-color, #fff);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}


[data-md-color-scheme="slate"] .ai-chat-position-btn {
  background-color: rgba(40, 40, 40, 0.85);
  color: var(--md-default-fg-color--light, #aaa);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-md-color-scheme="slate"] .ai-chat-position-btn:hover {
  background-color: rgba(50, 50, 50, 0.95);
  color: var(--md-default-fg-color, #fff);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

[data-md-color-scheme="slate"] .ai-chat-container {
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(30, 30, 35, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

[data-md-color-scheme="slate"] .ai-chat-header {
  background: rgba(30, 30, 35, 0.98);
  border-bottom-color: rgba(255, 255, 255, 0.15);
}

[data-md-color-scheme="slate"] .ai-chat-header-title {
  color: var(--md-default-fg-color);
}

[data-md-color-scheme="slate"] .ai-chat-header-icon {
  color: var(--md-default-fg-color--light);
}

[data-md-color-scheme="slate"] .ai-chat-action-btn,
[data-md-color-scheme="slate"] .ai-chat-close {
  color: var(--md-default-fg-color--light);
}

[data-md-color-scheme="slate"] .ai-chat-action-btn:hover,
[data-md-color-scheme="slate"] .ai-chat-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--md-default-fg-color);
}

[data-md-color-scheme="slate"] .ai-chat-messages {
  background: rgba(30, 30, 35, 0.98);
}

[data-md-color-scheme="slate"] .ai-message-bot .ai-message-content {
  background: rgba(255, 255, 255, 0.05);
  color: var(--md-default-fg-color);
}

[data-md-color-scheme="slate"] .ai-message-user .ai-message-content {
  background: var(--md-primary-fg-color);
  color: var(--md-primary-bg-color);
}

[data-md-color-scheme="slate"] .ai-chat-input-area {
  background: rgba(30, 30, 35, 0.98);
  border-top-color: rgba(255, 255, 255, 0.15);
}

[data-md-color-scheme="slate"] #ai-chat-input {
  background: rgba(20, 20, 25, 0.8);
  color: var(--md-default-fg-color);
  border-color: rgba(255, 255, 255, 0.2);
}

[data-md-color-scheme="slate"] #ai-chat-input:focus {
  border-color: var(--md-primary-fg-color);
  box-shadow: 0 0 0 3px rgba(81, 143, 193, 0.2);
}

[data-md-color-scheme="slate"] #ai-chat-input::placeholder {
  color: var(--md-default-fg-color--light);
}

[data-md-color-scheme="slate"] .ai-chat-prompt-btn {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--md-default-fg-color);
}

[data-md-color-scheme="slate"] .ai-chat-prompt-btn:hover {
  background: var(--md-primary-fg-color);
  border-color: var(--md-primary-fg-color);
  color: var(--md-primary-bg-color);
}

[data-md-color-scheme="slate"] .ai-chat-toast {
  background: var(--md-default-fg-color);
  color: var(--md-default-bg-color);
}

/* 深色模式 - 滚动条 */
[data-md-color-scheme="slate"] .ai-chat-messages::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
}

[data-md-color-scheme="slate"] .ai-chat-messages::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* 深色模式 - 加载状态 */
[data-md-color-scheme="slate"] .ai-message-loading .ai-message-content {
  background: rgba(255, 255, 255, 0.05);
  color: var(--md-default-fg-color--light);
}

/* 深色模式 - 菜单项 */
[data-md-color-scheme="slate"] .ai-chat-menu-item {
  color: var(--md-default-fg-color);
}

[data-md-color-scheme="slate"] .ai-chat-menu-item:hover {
  background: rgba(255, 255, 255, 0.1);
}

[data-md-color-scheme="slate"] .ai-chat-menu-item svg {
  color: var(--md-default-fg-color--light);
}

/* 深色模式 - 链接颜色 */
[data-md-color-scheme="slate"] .ai-chat-link {
  color: var(--md-typeset-a-color);
}

[data-md-color-scheme="slate"] .ai-chat-link:hover {
  color: var(--md-accent-fg-color);
}

/* 深色模式 - 发送按钮 */
[data-md-color-scheme="slate"] .ai-chat-send-btn {
  background: var(--md-primary-fg-color);
  color: var(--md-primary-bg-color);
}

[data-md-color-scheme="slate"] .ai-chat-send-btn:hover {
  opacity: 0.85;
}

[data-md-color-scheme="slate"] .ai-chat-send-btn:disabled {
  opacity: 0.5;
}

/* 深色模式 - 加载动画点 */
[data-md-color-scheme="slate"] .ai-dot {
  background: var(--md-default-fg-color--light);
}

/* 深色模式 - 打字光标 */
[data-md-color-scheme="slate"] .ai-typing-cursor {
  color: var(--md-primary-fg-color);
}

/* 深色模式 - 消息内容列表 */
[data-md-color-scheme="slate"] .ai-message-content ul,
[data-md-color-scheme="slate"] .ai-message-content ol {
  color: var(--md-default-fg-color);
}

[data-md-color-scheme="slate"] .ai-message-content li {
  color: var(--md-default-fg-color);
}

/* 深色模式 - 建议提示区域背景 */
[data-md-color-scheme="slate"] .ai-chat-prompts {
  background: transparent;
}

/* 确保所有按钮在深色模式下都没有意外的边框 */
[data-md-color-scheme="slate"] button {
  outline: none;
}

[data-md-color-scheme="slate"] button:focus,
[data-md-color-scheme="slate"] button:focus-visible {
  outline: none;
}

/* 深色模式 - 代码块样式（如果消息中有代码） */
[data-md-color-scheme="slate"] .ai-message-content code {
  background: rgba(255, 255, 255, 0.1);
  color: var(--md-default-fg-color);
  padding: 2px 4px;
  border-radius: 3px;
  font-size: 0.9em;
}

/* 深色模式 - 分隔线 */
[data-md-color-scheme="slate"] .ai-message-content hr {
  border-color: rgba(255, 255, 255, 0.1);
}


/* 打字光标动画 */
.ai-typing-cursor {
  display: inline-block;
  animation: blink 1s step-end infinite;
  color: var(--md-primary-fg-color, #518FC1);
  font-weight: normal;
}

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

/* Toast Notification */
.ai-chat-toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--md-default-fg-color, #333);
  color: var(--md-default-bg-color, #fff);
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  box-shadow: var(--md-shadow-z2, 0 4px 12px rgba(0, 0, 0, 0.15));
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 1001;
  pointer-events: none;
}

.ai-chat-toast-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Maximized State - 侧边模式下最大化即全屏宽度 */
.ai-chat-container.maximized {
  --ai-container-base-width: 50vw;
  max-width: var(--ai-container-base-width);
  width: var(--ai-container-base-width);
  min-width: 600px;
}

/* 小屏幕下最大化时占据更多空间 */
@media (max-width: 1200px) {
  .ai-chat-container.maximized {
    --ai-container-base-width: 60vw;
    min-width: 500px;
  }
}

@media (max-width: 768px) {
  .ai-chat-container.maximized {
    --ai-container-base-width: 80vw;
    min-width: 400px;
  }
}

/* 移动端 - 侧边面板全宽 */
@media (max-width: 480px) {
  .ai-chat-container {
    max-width: 100%;
  }
}