/* MarkdownRenderer 主题变量 */
html {
    /* 文本颜色 */
    --markdownrenderer-color-text-tertiary: rgba(0, 0, 0, 0.7);
    --markdownrenderer-color-link: rgba(0, 88, 222, 1);
    --markdownrenderer-color-list-marker: rgba(107, 114, 128, 1);

    /* 代码块相关 */
    --markdownrenderer-code-background: rgba(255, 255, 255, 0.3);
    --markdownrenderer-code-header-background: rgba(235, 235, 235, 1);
    --markdownrenderer-code-header-bg-solid: rgba(248, 248, 248, 0.95);
    --markdownrenderer-code-border: rgba(0, 0, 0, 0.08);
    --markdownrenderer-code-line-number: rgba(0, 0, 0, 0.3);
    --markdownrenderer-code-inline-bg: rgba(175, 184, 193, 0.2);

    /* 引用块相关 */
    --markdownrenderer-blockquote-border: rgba(0, 0, 0, 0.1);

    /* 表格相关 */
    --markdownrenderer-table-background: rgba(255, 255, 255, 0.3);
    --markdownrenderer-table-header-background: rgba(0, 0, 0, 0.05);
    --markdownrenderer-table-border: rgba(229, 229, 229, 1);
    --markdownrenderer-table-header-bg-solid: rgba(248, 248, 248, 0.95);

    /* 交互状态 */
    --markdownrenderer-hover-bg-color: rgba(0, 0, 0, 0.08);
    --markdownrenderer-active-bg-color: rgba(0, 0, 0, 0.12);

    /* 其他元素 */
    --markdownrenderer-hr-color: rgba(229, 231, 235, 1);
    --markdownrenderer-img-bg: rgba(255, 255, 255, 0.3);
    --markdownrenderer-loading-dot: rgba(0, 0, 0, 0.7);
    --markdownrenderer-waiting-dot: rgba(176, 176, 176, 1);
}

html.dark {
    /* 文本颜色 */
    --markdownrenderer-color-text-tertiary: rgba(255, 255, 255, 0.7);
    --markdownrenderer-color-link: rgba(2, 76, 202, 1);
    --markdownrenderer-color-list-marker: rgba(156, 163, 175, 1);

    /* 代码块相关 */
    --markdownrenderer-code-background: rgba(0, 0, 0, 0.3);
    --markdownrenderer-code-header-background: rgba(30, 30, 30, 1);
    --markdownrenderer-code-header-bg-solid: rgba(24, 24, 24, 0.95);
    --markdownrenderer-code-border: rgba(255, 255, 255, 0.08);
    --markdownrenderer-code-line-number: rgba(255, 255, 255, 0.3);
    --markdownrenderer-code-inline-bg: rgba(255, 255, 255, 0.15);

    /* 引用块相关 */
    --markdownrenderer-blockquote-border: rgba(255, 255, 255, 0.15);

    /* 表格相关 */
    --markdownrenderer-table-background: rgba(0, 0, 0, 0.3);
    --markdownrenderer-table-header-background: rgba(255, 255, 255, 0.05);
    --markdownrenderer-table-border: rgba(255, 255, 255, 0.08);
    --markdownrenderer-table-header-bg-solid: rgba(24, 24, 24, 0.95);

    /* 交互状态 */
    --markdownrenderer-hover-bg-color: rgba(255, 255, 255, 0.08);
    --markdownrenderer-active-bg-color: rgba(255, 255, 255, 0.12);

    /* 其他元素 */
    --markdownrenderer-hr-color: rgba(75, 85, 99, 1);
    --markdownrenderer-img-bg: rgba(0, 0, 0, 0.3);
    --markdownrenderer-loading-dot: rgba(255, 255, 255, 0.7);
    --markdownrenderer-waiting-dot: rgba(176, 176, 176, 1);
}

.markdown-content {
    display: inline;
    line-height: var(--uosai-line-height-relaxed);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* Message streaming container */
.message-streaming-container {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
}

.message-content-wrapper {
    display: inline;
}

.loading-indicator-wrapper {
    display: inline-flex;
    align-items: baseline;
    margin-left: 2px;
}

/* Markdown container */
.markdown-container {
    display: inline;
}

/* Streaming container - makes content flow naturally with loading animation */
.markdown-container.streaming {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: flex-start;
    align-content: flex-start;
}

.loading-dots-wrapper {
    display: inline-flex;
    align-items: flex-start;
    margin-left: 2px;
    flex-shrink: 0;
}

/* First child element - no top margin to align with container top */
.markdown-content > *:first-child {
    margin-top: 0;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
    margin-top: 0;
    margin-bottom: 0;
    font-weight: 600;
    color: inherit;
}

.markdown-content h1 {
    font-size: var(--uosai-font-size-h1);
    margin-top: calc(var(--U, 14px) * 10);
    margin-bottom: calc(var(--U, 14px) * 4);
    line-height: var(--uosai-line-height-h1);
    color: inherit;
}

.markdown-content h1 .header-link {
    display: none;
}

.markdown-content h2 {
    font-size: var(--uosai-font-size-h2);
    margin-top: calc(var(--U, 14px) * 8);
    margin-bottom: calc(var(--U, 14px) * 3);
    line-height: var(--uosai-line-height-h2);
    color: inherit;
}

.markdown-content h2 .header-link {
    display: none;
}

.markdown-content h3 {
    font-size: inherit;
    font-weight: 700;
    margin-top: calc(var(--U, 14px) * 6);
    margin-bottom: calc(var(--U, 14px) * 2);
    line-height: var(--uosai-line-height-h3);
    color: inherit;
}

.markdown-content h4 {
    font-size: var(--uosai-font-size-h4);
}

.markdown-content h5 {
    font-size: var(--uosai-font-size-h5);
}

.markdown-content h6 {
    font-size: var(--uosai-font-size-h6);
    color: var(--markdownrenderer-color-text-tertiary);
}

.markdown-content p {
    margin-top: 10px;
    margin-bottom: calc(var(--U, 14px) * 4);
    text-indent: 0;
    line-height: var(--uosai-line-height-body);
}

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

.markdown-content a {
    color: var(--markdownrenderer-color-link);
    text-decoration: none;
}

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

.markdown-content ul,
.markdown-content ol {
    margin-top: 0;
    margin-bottom: calc(var(--U, 14px) * 4);
    padding-left: 2rem;
}

.markdown-content li {
    margin-bottom: 0.5em;
}

.markdown-content ul li::marker {
    color: var(--markdownrenderer-color-list-marker);
}

.markdown-content ol li::marker {
    color: var(--markdownrenderer-color-list-marker);
    font-weight: 500;
}

.markdown-content code {
    padding: 0.2em 0.4em;
    margin: 0;
    font-size: var(--uosai-font-size-code-sm);
    background-color: var(--markdownrenderer-code-inline-bg);
    border-radius: 10px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* Code block container */
.markdown-content .code-block-container {
    margin: 20px 0;
    border: none;
    border-radius: 8px;
    overflow: visible;
    background-color: transparent;
}

/* Code block header - sticky positioning to stay at top when scrolling */
.markdown-content .code-block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 32px;
    padding: 0 12px;
    padding-left: 0;
    background-color: var(--markdownrenderer-code-header-background);
    border: 1px solid var(--markdownrenderer-code-border);
    border-radius: 8px 8px 0 0;
    user-select: none;
    position: sticky;
    top: -1px;
    z-index: 10;
}

/* 用伪元素填补 header 两个顶部圆角的 cutout 区域，
   挡住 body 的左右竖线在滚动超出时从圆角外透出。
   radial-gradient 以圆角中心为原点，半径外实心（涂掉竖线），半径内透明（保留圆角弧线）。
   仅在 --stuck 时启用，避免未吸附时覆盖透明切角；-1px 偏移抵消 header 的 1px 边框
   （absolute 定位参照 padding-box，向外扩 1px 才能对齐 border-box 角 & border-radius 弧心）。 */
.markdown-content .code-block-container--stuck .code-block-header::before,
.markdown-content .code-block-container--stuck .code-block-header::after {
    content: "";
    position: absolute;
    top: -1px;
    width: 8px;
    height: 8px;
    pointer-events: none;
}

.markdown-content .code-block-container--stuck .code-block-header::before {
    left: -1px;
    background: radial-gradient(circle at 100% 100%, transparent 8px, var(--markdownrenderer-code-header-bg-solid) 8px);
}

.markdown-content .code-block-container--stuck .code-block-header::after {
    right: -1px;
    background: radial-gradient(circle at 0% 100%, transparent 8px, var(--markdownrenderer-code-header-bg-solid) 8px);
}

/* Code language wrapper - no padding */
.markdown-content .code-language-wrapper {
    display: flex;
    align-items: center;
    gap: 0;
    user-select: none;
    padding: 0;
    padding-left: 10px;
}

.markdown-content .code-language {
    font-size: var(--uosai-font-size-code);
    color: inherit;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-weight: 600;
    letter-spacing: 0.05em;
    padding: 0;
    padding-left: 10px;
}

/* Collapse arrow wrapper */
.markdown-content .collapse-arrow-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
    margin: 0;
    flex-shrink: 0;
}

.markdown-content .collapse-arrow-wrapper:hover {
    opacity: 0.7;
}

/* Collapse arrow */
.markdown-content .collapse-arrow {
    width: 12px;
    height: 12px;
    color: inherit;
    transition: transform 0.3s ease;
}

/* Collapsed state - rotate arrow */
.markdown-content .collapse-arrow-wrapper--collapsed .collapse-arrow {
    transform: rotate(180deg);
}

/* Copy button - match IconButton rounded style */
.markdown-content .copy-button {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    width: 24px;
    height: 24px;
    background-color: transparent;
    border: none;
    border-radius: var(--radius-normal);
    color: var(--icon-button-color);
    cursor: pointer;
    transition:
        background var(--transition-normal),
        color var(--transition-normal),
        opacity var(--transition-normal);
    user-select: none;
    outline: none;
}

.markdown-content .copy-button:hover {
    background: var(--icon-button-hover-bg);
    box-shadow: var(--icon-button-hover-box-shadow);
    color: var(--icon-button-hover-color);
}

.markdown-content .copy-button:active {
    background: var(--icon-button-active-bg);
    box-shadow: var(--icon-button-active-box-shadow);
    color: var(--icon-button-active-color);
}

/* Remove focus outline on copy button */
.markdown-content .copy-button:focus {
    outline: none;
}

.markdown-content .copy-button:focus:not(:focus-visible) {
    outline: none;
}

/* Focus visible for keyboard navigation */
.markdown-content .copy-button:focus-visible {
    outline: 2px solid rgba(52, 152, 219, 0.5);
    outline-offset: 2px;
}

/* Tooltip styles using data-tooltip attribute - matching Tooltip.tsx */
.markdown-content .copy-button::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    padding: 3px 5px 4px 5px;
    background: var(--uos-tooltip-bg);
    color: var(--uos-tooltip-color);
    font-size: var(--uosai-font-size-xs);
    font-weight: var(--uos-tooltip-font-weight);
    line-height: var(--uosai-line-height-extra-tight);
    border-radius: 8px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease-in-out;
    transition-delay: 1s; /* 1s delay to match Tooltip showAfter: 1000 */
    z-index: 10;
    box-shadow: var(--uos-tooltip-box-shadow);
}

.markdown-content .copy-button:hover::after {
    opacity: 1;
}

/* Remove transition delay when hiding */
.markdown-content .copy-button:not(:hover)::after {
    transition-delay: 0s;
}

.markdown-content .copy-button svg {
    width: 16px;
    height: 16px;
}

.markdown-content .copy-button .check-icon {
    color: inherit;
}

.markdown-content pre {
    padding: 0;
    margin: 0;
    overflow: hidden;
    border-radius: 0;
    background-color: transparent;
    border: none;
}

/* Code block body */
.markdown-content .code-block-body {
    display: flex;
    padding-top: 16px;
    padding-bottom: 20px;
    padding-right: 20px;
    background-color: var(--markdownrenderer-code-background);
    overflow: visible;
    border: 1px solid var(--markdownrenderer-code-border);
    border-top: none;
    border-radius: 0 0 8px 8px;
}

/* Code content */
.markdown-content .code-content {
    flex: 1;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: var(--uosai-font-size-code);
    line-height: var(--uosai-line-height-code);
    color: inherit;
}

/* Code line wrapper */
.markdown-content .code-line {
    display: flex;
    min-height: 1.5em;
}

/* Line number */
.markdown-content .code-line-number {
    flex-shrink: 0;
    min-width: 40px;
    padding-right: 10px;
    padding-left: 10px;
    color: var(--markdownrenderer-code-line-number);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: var(--uosai-font-size-code);
    line-height: var(--uosai-line-height-code);
    text-align: left;
    user-select: none;
}

/* Code line content */
.markdown-content .code-line-content {
    flex: 1;
    white-space: pre-wrap;
    word-break: break-all;
}

.markdown-content pre code {
    padding: 0;
    margin: 0;
    font-size: 100%;
    background-color: transparent !important;
    border-radius: 0;
}

/* Override highlight.js dark theme background */
.markdown-content .code-content.hljs {
    background-color: transparent !important;
}

.markdown-content .code-content .hljs {
    background-color: transparent !important;
}

/* Code block collapsed state */
.markdown-content .code-block-collapsed {
    display: none;
    justify-content: flex-start;
    align-items: center;
    height: 32px;
    padding: 0 32px;
    border: 1px solid var(--markdownrenderer-code-border);
    border-top: none;
    border-radius: 0 0 8px 8px;
    background-color: var(--markdownrenderer-code-background);
}

.markdown-content .collapsed-text {
    color: inherit;
    opacity: 0.7;
    font-size: var(--uosai-font-size-code);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.markdown-content .collapsed-expand-link {
    margin-left: 8px;
    cursor: pointer;
    color: inherit;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    text-decoration: none;
    font-size: var(--uosai-font-size-code);
}

.markdown-content .collapsed-expand-link:hover {
    text-decoration: underline;
}

.markdown-content blockquote {
    padding: 0 0 0 20px;
    margin: 0 20px 0 0;
    border-left: 3px solid var(--markdownrenderer-blockquote-border);
    color: inherit;
}

.markdown-content blockquote p {
    margin-bottom: 0;
}

/* Nested blockquotes for multi-level quotes */
.markdown-content blockquote blockquote {
    margin-left: 0px;
}

.markdown-content blockquote blockquote blockquote {
    margin-left: 0px;
}

/* Table container */
.markdown-content .table-container {
    margin: 20px 0;
    border-radius: 8px;
    overflow: visible;
    display: inline-flex;
    flex-direction: column;
    max-width: 100%;
    position: relative;
}

/* Table body with scroll */
.markdown-content .table-body {
    width: fit-content;
    max-width: 100%;
    border: 1px solid var(--markdownrenderer-table-border);
    border-top: none;
    position: relative;
    overflow: visible;
    border-radius: 0 0 12px 12px;
}

/* 用伪元素填补 table body 两个底部圆角的 cutout 区域，
   挡住单元格边框在滚动时从圆角外透出。*/
.markdown-content .table-body::before,
.markdown-content .table-scrollbar::before {
    content: "";
    position: absolute;
    width: 12px;
    height: 12px;
    pointer-events: none;
    z-index: 25;
}

.markdown-content .table-body::before {
    left: -2px;
    bottom: -2px;
    width: 14px;
    height: 14px;
    background: radial-gradient(
        circle at 100% 0%,
        transparent 12px,
        var(--markdownrenderer-table-border) 12px,
        var(--markdownrenderer-table-border) 13px,
        var(--markdownrenderer-table-header-bg-solid) 13px
    );
}

/* 右下角遮挡 - 使用独立元素，固定在 table-body 右下角 */
.markdown-content .table-corner-mask {
    position: absolute;
    right: -2px;
    bottom: -2px;
    width: 14px;
    height: 14px;
    background:
    /* 圆角边框：从11px到12px之间绘制边框线 */ radial-gradient(
        circle at 0% 0%,
        transparent 12px,
        var(--markdownrenderer-table-border) 12px,
        var(--markdownrenderer-table-border) 13px,
        var(--markdownrenderer-table-header-bg-solid) 13px
    );
    pointer-events: none;
    z-index: 25;
}

/* Add scroll hint indicator */
.markdown-content .table-body::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 8px;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
    z-index: 15;
}

/* Show scroll hint when table has horizontal scroll */
.markdown-content .table-body:has(.table-wrapper.has-scroll)::after {
    opacity: 1;
    animation: scrollHintPulse 2s ease-in-out infinite;
}

/* Hide scroll hint when hovered or scrolled to end */
.markdown-content .table-body:hover::after,
.markdown-content .table-body:has(.table-wrapper.scrolled-to-end)::after {
    opacity: 0;
    animation: none;
}

@keyframes scrollHintPulse {
    0%,
    100% {
        transform: translateY(-50%) translateX(0);
        opacity: 0.3;
    }
    50% {
        transform: translateY(-50%) translateX(4px);
        opacity: 0.6;
    }
}

/* Dark mode scroll hint */
html.dark .markdown-content .table-body::after {
    border-left-color: rgba(255, 255, 255, 0.3);
}

/* Table wrapper - now with horizontal scroll */
.markdown-content .table-wrapper {
    overflow-x: auto;
    overflow-y: hidden;
    /* Hide default scrollbar - we'll use custom styling */
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
    position: relative;
    padding-bottom: 0;
    /* Smooth scrolling */
    scroll-behavior: smooth;
    max-width: 100%;
}

/* Hide default scrollbar for Chrome, Safari and Opera */
.markdown-content .table-wrapper::-webkit-scrollbar {
    display: none;
}

/* Custom scrollbar container - matching ScrollBar component styles */
.markdown-content .table-scrollbar {
    position: relative;
    left: var(--spacing-md);
    right: var(--spacing-md);
    height: 12px;
    margin: -12px var(--spacing-md) 0px;
    border-radius: var(--radius-small);
    opacity: 0;
    transition: opacity 700ms ease;
    cursor: pointer;
    display: none;
    z-index: 20;
    background-color: transparent;
}

/* Show scrollbar when has-scroll is present */
.markdown-content .table-scrollbar.visible,
.markdown-content .table-wrapper.has-scroll + .table-scrollbar {
    display: block !important;
}

/* Show scrollbar on hover or when scrolling - quick fade in */
.markdown-content .table-scrollbar.visible,
.markdown-content .table-body:hover .table-scrollbar {
    opacity: 1;
    transition-duration: 120ms;
}

/* Scrollbar track */
.markdown-content .table-scrollbar-track {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-small);
    overflow: visible;
}

/* Scrollbar thumb */
.markdown-content .table-scrollbar-thumb {
    position: absolute;
    bottom: 3px;
    box-sizing: border-box;
    background-color: var(--scrollbar-thumb-color);
    border-radius: var(--radius-small);
    box-shadow: var(--scrollbar-thumb-shadow);
    transition:
        height var(--transition-normal),
        background-color var(--transition-normal);
    cursor: pointer;
    height: 4px;
    min-width: 20px;
    left: 0;
}

.markdown-content .table-scrollbar-thumb::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    box-sizing: border-box;
    border: 1px solid var(--scrollbar-thumb-inset-color);
    border-radius: inherit;
    transition: border-color var(--transition-normal);
    pointer-events: none;
}

/* Hover state for scrollbar */
.markdown-content .table-scrollbar:hover .table-scrollbar-thumb {
    background-color: var(--scrollbar-thumb-color-hover);
}

.markdown-content .table-scrollbar:hover .table-scrollbar-thumb::after {
    border-color: var(--scrollbar-thumb-inset-color-hover);
}

/* Expand thumb on hover or when dragging */
.markdown-content .table-scrollbar:hover .table-scrollbar-thumb,
.markdown-content .table-scrollbar.dragging .table-scrollbar-thumb {
    border-radius: 6px;
    height: 12px;
    bottom: 3px;
}

/* Dragging state for scrollbar thumb */
.markdown-content .table-scrollbar.dragging .table-scrollbar-thumb {
    background-color: var(--scrollbar-thumb-color-active);
}

.markdown-content .table-scrollbar.dragging .table-scrollbar-thumb::after {
    border-color: var(--scrollbar-thumb-inset-color-active);
}

/* Active state (clicking) */
.markdown-content .table-scrollbar:active .table-scrollbar-thumb {
    background-color: var(--scrollbar-thumb-color-active);
}

.markdown-content .table-scrollbar:active .table-scrollbar-thumb::after {
    border-color: var(--scrollbar-thumb-inset-color-active);
}

/* Focus state for accessibility */
.markdown-content .table-scrollbar-thumb:focus {
    outline: 2px solid rgba(52, 152, 219, 0.5);
    outline-offset: 2px;
}

/* Table header - sticky positioning */
.markdown-content .table-header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    height: 32px;
    padding: 0 12px;
    background-color: var(--markdownrenderer-table-header-background);
    border: 1px solid var(--markdownrenderer-table-border);
    border-radius: 12px 12px 0 0;
    user-select: none;
    position: sticky;
    z-index: 10;
    width: 100%;
}

.markdown-content table.marked-table {
    border-collapse: collapse;
    width: max-content;
    margin: 0;
}

.markdown-content table.marked-table th,
.markdown-content table.marked-table td {
    padding: 3px 20px;
    min-width: 100px;
    max-width: 50cqw;
    height: 48px;
    border-right: 1px solid var(--markdownrenderer-table-border);
    border-bottom: 1px solid var(--markdownrenderer-table-border);
    text-align: left;
    vertical-align: middle;
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
    background-color: var(--markdownrenderer-table-background);
}

/* First column has left border */
.markdown-content table.marked-table th:first-child,
.markdown-content table.marked-table td:first-child {
    border-left: none;
}

/* Last column has right border */
.markdown-content table.marked-table th:last-child,
.markdown-content table.marked-table td:last-child {
    border-right: none;
}

/* Last row cells have no bottom border */
.markdown-content table.marked-table tbody tr:last-child td {
    border-bottom: none;
}

/* First column, last row cell has bottom-left radius */
.markdown-content table.marked-table tbody tr:last-child td:first-child {
    border-left: none;
}

/* Last column, last row cell has bottom-right radius */
.markdown-content table.marked-table tbody tr:last-child td:last-child {
    border-right: none;
}

.markdown-content table.marked-table th {
    font-weight: 600;
}

.markdown-content hr {
    height: 1px;
    margin: 1rem 0;
    border: none;
    background-color: var(--markdownrenderer-hr-color);
}

.markdown-content img {
    max-width: 258px;
    max-height: 400px;
    border-radius: 10px;
    margin: 1rem 0;
    object-fit: contain;
    background-color: var(--markdownrenderer-img-bg);
    display: block;
}

.markdown-content strong {
    font-weight: 700;
    color: inherit;
}

.markdown-content em {
    font-style: italic;
}

/* Code block language badge */
.markdown-content pre code::before {
    display: none;
}

/* Copy button for code blocks (optional enhancement) */
.markdown-content pre {
    position: relative;
}

/* Think tag styling */
.markdown-content think {
    display: block;
    color: var(--uosai-color-think, #a6a6a6);
    padding: 0.5em 0;
    line-height: var(--uosai-line-height-relaxed);
}

/* Dark mode support for think tag */
@media (prefers-color-scheme: dark) {
    .markdown-content think {
        color: var(--uosai-color-think, #a6a6a6);
    }
}

/* Light mode support for think tag */
@media (prefers-color-scheme: light) {
    .markdown-content think {
        color: var(--uosai-color-think, #8b8b8b);
    }
}

/* Diagram view toggle button */
.markdown-content .diagram-view-toggle {
    border: none;
    background: transparent;
    color: inherit;
    opacity: 0.7;
    font-size: var(--uosai-font-size-code);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    cursor: pointer;
    padding: 0;
    transition: opacity var(--transition-normal);
}

.markdown-content .diagram-view-toggle:hover {
    opacity: 1;
}

/* Source code display inside diagram containers */
.markdown-content .source-mode .diagram-source-code {
    margin: 0;
    padding: 0;
    background: transparent;
    border: none;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.markdown-content .source-mode .diagram-source-code::-webkit-scrollbar {
    display: none;
}

.markdown-content .source-mode .diagram-source-code code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: var(--uosai-font-size-code);
    line-height: var(--uosai-line-height-code);
    color: inherit;
    background: transparent;
    padding: 0;
    border-radius: 0;
    white-space: pre;
}

.markdown-content .source-mode .mermaid-scrollbar,
.markdown-content .source-mode .mermaid-scrollbar-v,
.markdown-content .source-mode .plantuml-scrollbar,
.markdown-content .source-mode .plantuml-scrollbar-v {
    display: none !important;
}

/* Mermaid diagram styling */
.markdown-content .mermaid-container {
    margin: 20px 0;
    border-radius: 8px;
    background-color: var(--markdownrenderer-code-background);
    overflow: visible;
    display: flex;
    flex-direction: column;
    width: 100%;
}

/* Mermaid header - same style as table/code header */
.markdown-content .mermaid-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 32px;
    padding: 0 12px;
    background-color: var(--markdownrenderer-code-header-background);
    border: 1px solid var(--markdownrenderer-code-border);
    border-radius: 8px 8px 0 0;
    user-select: none;
}

.markdown-content .mermaid-language {
    font-size: var(--uosai-font-size-code);
    color: inherit;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-weight: 600;
    letter-spacing: 0.05em;
    padding-left: 10px;
}

/* Mermaid body - positioning context for scrollbars */
.markdown-content .mermaid-body {
    position: relative;
    border: 1px solid var(--markdownrenderer-code-border);
    border-top: none;
    border-radius: 0 0 8px 8px;
    background-color: var(--markdownrenderer-code-background);
    overflow: hidden;
}

/* Mermaid scroll wrapper - the actual scrollable area */
.markdown-content .mermaid-scroll-wrapper {
    height: 300px;
    overflow: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    text-align: center;
    padding: 20px;
    border-radius: 0 0 8px 8px;
}

.markdown-content .mermaid-scroll-wrapper::-webkit-scrollbar {
    display: none;
}

.markdown-content .mermaid-scroll-wrapper svg {
    max-width: none;
}

.markdown-content .mermaid-scroll-wrapper .mermaid-placeholder {
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.markdown-content .mermaid-scroll-wrapper .mermaid-placeholder:empty::after {
    content: "";
    width: 24px;
    height: 24px;
    border: 2px solid var(--markdownrenderer-color-text-tertiary);
    border-top-color: transparent;
    border-radius: 50%;
    animation: mermaidSpin 0.8s linear infinite;
    opacity: 0.5;
}

@keyframes mermaidSpin {
    to {
        transform: rotate(360deg);
    }
}

.markdown-content .mermaid-error {
    padding: 12px 16px;
    border-radius: 8px;
    background-color: var(--markdownrenderer-code-background);
    border: 1px solid var(--markdownrenderer-code-border);
    overflow-x: auto;
}

.markdown-content .mermaid-error code {
    white-space: pre-wrap;
    word-break: break-all;
    background-color: transparent;
    padding: 0;
    border-radius: 0;
}

/* Mermaid scrollbars - horizontal */
.markdown-content .mermaid-scrollbar {
    position: absolute;
    bottom: 0;
    left: var(--spacing-md);
    right: var(--spacing-md);
    height: 12px;
    border-radius: var(--radius-small);
    opacity: 0;
    transition: opacity 700ms ease;
    cursor: pointer;
    display: none;
    z-index: 20;
    background-color: transparent;
}

.markdown-content .mermaid-scrollbar.visible {
    display: block !important;
}

.markdown-content .mermaid-body:hover .mermaid-scrollbar.visible {
    opacity: 1;
    transition-duration: 120ms;
}

.markdown-content .mermaid-scrollbar-thumb {
    position: absolute;
    bottom: 3px;
    box-sizing: border-box;
    background-color: var(--scrollbar-thumb-color);
    border-radius: var(--radius-small);
    box-shadow: var(--scrollbar-thumb-shadow);
    transition:
        height var(--transition-normal),
        background-color var(--transition-normal);
    cursor: pointer;
    height: 4px;
    min-width: 20px;
    left: 0;
}

.markdown-content .mermaid-scrollbar-thumb::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    box-sizing: border-box;
    border: 1px solid var(--scrollbar-thumb-inset-color);
    border-radius: inherit;
    transition: border-color var(--transition-normal);
    pointer-events: none;
}

.markdown-content .mermaid-scrollbar:hover .mermaid-scrollbar-thumb {
    background-color: var(--scrollbar-thumb-color-hover);
}

.markdown-content .mermaid-scrollbar:hover .mermaid-scrollbar-thumb::after {
    border-color: var(--scrollbar-thumb-inset-color-hover);
}

.markdown-content .mermaid-scrollbar:hover .mermaid-scrollbar-thumb,
.markdown-content .mermaid-scrollbar.dragging .mermaid-scrollbar-thumb {
    border-radius: 6px;
    height: 12px;
    bottom: 3px;
}

.markdown-content .mermaid-scrollbar.dragging .mermaid-scrollbar-thumb {
    background-color: var(--scrollbar-thumb-color-active);
}

.markdown-content .mermaid-scrollbar.dragging .mermaid-scrollbar-thumb::after {
    border-color: var(--scrollbar-thumb-inset-color-active);
}

.markdown-content .mermaid-scrollbar:active .mermaid-scrollbar-thumb {
    background-color: var(--scrollbar-thumb-color-active);
}

.markdown-content .mermaid-scrollbar:active .mermaid-scrollbar-thumb::after {
    border-color: var(--scrollbar-thumb-inset-color-active);
}

/* Mermaid scrollbars - vertical */
.markdown-content .mermaid-scrollbar-v {
    position: absolute;
    top: 0;
    right: 4px;
    width: 12px;
    bottom: 4px;
    border-radius: var(--radius-small);
    opacity: 0;
    transition: opacity 700ms ease;
    cursor: pointer;
    display: none;
    z-index: 20;
    background-color: transparent;
}

.markdown-content .mermaid-scrollbar-v.visible {
    display: block !important;
}

.markdown-content .mermaid-body:hover .mermaid-scrollbar-v.visible {
    opacity: 1;
    transition-duration: 120ms;
}

.markdown-content .mermaid-scrollbar-v-thumb {
    position: absolute;
    right: 3px;
    box-sizing: border-box;
    background-color: var(--scrollbar-thumb-color);
    border-radius: var(--radius-small);
    box-shadow: var(--scrollbar-thumb-shadow);
    transition:
        width var(--transition-normal),
        background-color var(--transition-normal);
    cursor: pointer;
    width: 4px;
    min-height: 20px;
    top: 0;
}

.markdown-content .mermaid-scrollbar-v-thumb::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    box-sizing: border-box;
    border: 1px solid var(--scrollbar-thumb-inset-color);
    border-radius: inherit;
    transition: border-color var(--transition-normal);
    pointer-events: none;
}

.markdown-content .mermaid-scrollbar-v:hover .mermaid-scrollbar-v-thumb {
    background-color: var(--scrollbar-thumb-color-hover);
}

.markdown-content .mermaid-scrollbar-v:hover .mermaid-scrollbar-v-thumb::after {
    border-color: var(--scrollbar-thumb-inset-color-hover);
}

.markdown-content .mermaid-scrollbar-v:hover .mermaid-scrollbar-v-thumb,
.markdown-content .mermaid-scrollbar-v.dragging .mermaid-scrollbar-v-thumb {
    border-radius: 6px;
    width: 12px;
    right: 3px;
}

.markdown-content .mermaid-scrollbar-v.dragging .mermaid-scrollbar-v-thumb {
    background-color: var(--scrollbar-thumb-color-active);
}

.markdown-content .mermaid-scrollbar-v.dragging .mermaid-scrollbar-v-thumb::after {
    border-color: var(--scrollbar-thumb-inset-color-active);
}

.markdown-content .mermaid-scrollbar-v:active .mermaid-scrollbar-v-thumb {
    background-color: var(--scrollbar-thumb-color-active);
}

.markdown-content .mermaid-scrollbar-v:active .mermaid-scrollbar-v-thumb::after {
    border-color: var(--scrollbar-thumb-inset-color-active);
}

/* PlantUML diagram styling */
.markdown-content .plantuml-container {
    margin: 20px 0;
    border-radius: 8px;
    background-color: var(--markdownrenderer-code-background);
    overflow: visible;
    display: flex;
    flex-direction: column;
    width: 100%;
}

.markdown-content .plantuml-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 32px;
    padding: 0 12px;
    background-color: var(--markdownrenderer-code-header-background);
    border: 1px solid var(--markdownrenderer-code-border);
    border-radius: 8px 8px 0 0;
    user-select: none;
}

.markdown-content .plantuml-body {
    position: relative;
    border: 1px solid var(--markdownrenderer-code-border);
    border-top: none;
    border-radius: 0 0 8px 8px;
    background-color: var(--markdownrenderer-code-background);
    overflow: hidden;
}

.markdown-content .plantuml-scroll-wrapper {
    height: 300px;
    overflow: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 20px;
    border-radius: 0 0 8px 8px;
}

.markdown-content .plantuml-scroll-wrapper::-webkit-scrollbar {
    display: none;
}

.markdown-content .plantuml-img {
    max-width: none;
}

/* PlantUML scrollbars - horizontal */
.markdown-content .plantuml-scrollbar {
    position: absolute;
    bottom: 0;
    left: var(--spacing-md);
    right: var(--spacing-md);
    height: 12px;
    border-radius: var(--radius-small);
    opacity: 0;
    transition: opacity 700ms ease;
    cursor: pointer;
    display: none;
    z-index: 20;
    background-color: transparent;
}

.markdown-content .plantuml-scrollbar.visible {
    display: block !important;
}

.markdown-content .plantuml-body:hover .plantuml-scrollbar.visible {
    opacity: 1;
    transition-duration: 120ms;
}

.markdown-content .plantuml-scrollbar-thumb {
    position: absolute;
    bottom: 3px;
    box-sizing: border-box;
    background-color: var(--scrollbar-thumb-color);
    border-radius: var(--radius-small);
    box-shadow: var(--scrollbar-thumb-shadow);
    transition:
        height var(--transition-normal),
        background-color var(--transition-normal);
    cursor: pointer;
    height: 4px;
    min-width: 20px;
    left: 0;
}

.markdown-content .plantuml-scrollbar-thumb::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    box-sizing: border-box;
    border: 1px solid var(--scrollbar-thumb-inset-color);
    border-radius: inherit;
    transition: border-color var(--transition-normal);
    pointer-events: none;
}

.markdown-content .plantuml-scrollbar:hover .plantuml-scrollbar-thumb {
    background-color: var(--scrollbar-thumb-color-hover);
}
.markdown-content .plantuml-scrollbar:hover .plantuml-scrollbar-thumb::after {
    border-color: var(--scrollbar-thumb-inset-color-hover);
}
.markdown-content .plantuml-scrollbar:hover .plantuml-scrollbar-thumb,
.markdown-content .plantuml-scrollbar.dragging .plantuml-scrollbar-thumb {
    border-radius: 6px;
    height: 12px;
    bottom: 3px;
}
.markdown-content .plantuml-scrollbar.dragging .plantuml-scrollbar-thumb {
    background-color: var(--scrollbar-thumb-color-active);
}
.markdown-content .plantuml-scrollbar.dragging .plantuml-scrollbar-thumb::after {
    border-color: var(--scrollbar-thumb-inset-color-active);
}
.markdown-content .plantuml-scrollbar:active .plantuml-scrollbar-thumb {
    background-color: var(--scrollbar-thumb-color-active);
}
.markdown-content .plantuml-scrollbar:active .plantuml-scrollbar-thumb::after {
    border-color: var(--scrollbar-thumb-inset-color-active);
}

/* PlantUML scrollbars - vertical */
.markdown-content .plantuml-scrollbar-v {
    position: absolute;
    top: 0;
    right: 4px;
    width: 12px;
    bottom: 4px;
    border-radius: var(--radius-small);
    opacity: 0;
    transition: opacity 700ms ease;
    cursor: pointer;
    display: none;
    z-index: 20;
    background-color: transparent;
}

.markdown-content .plantuml-scrollbar-v.visible {
    display: block !important;
}

.markdown-content .plantuml-body:hover .plantuml-scrollbar-v.visible {
    opacity: 1;
    transition-duration: 120ms;
}

.markdown-content .plantuml-scrollbar-v-thumb {
    position: absolute;
    right: 3px;
    box-sizing: border-box;
    background-color: var(--scrollbar-thumb-color);
    border-radius: var(--radius-small);
    box-shadow: var(--scrollbar-thumb-shadow);
    transition:
        width var(--transition-normal),
        background-color var(--transition-normal);
    cursor: pointer;
    width: 4px;
    min-height: 20px;
    top: 0;
}

.markdown-content .plantuml-scrollbar-v-thumb::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    box-sizing: border-box;
    border: 1px solid var(--scrollbar-thumb-inset-color);
    border-radius: inherit;
    transition: border-color var(--transition-normal);
    pointer-events: none;
}

.markdown-content .plantuml-scrollbar-v:hover .plantuml-scrollbar-v-thumb {
    background-color: var(--scrollbar-thumb-color-hover);
}
.markdown-content .plantuml-scrollbar-v:hover .plantuml-scrollbar-v-thumb::after {
    border-color: var(--scrollbar-thumb-inset-color-hover);
}
.markdown-content .plantuml-scrollbar-v:hover .plantuml-scrollbar-v-thumb,
.markdown-content .plantuml-scrollbar-v.dragging .plantuml-scrollbar-v-thumb {
    border-radius: 6px;
    width: 12px;
    right: 3px;
}
.markdown-content .plantuml-scrollbar-v.dragging .plantuml-scrollbar-v-thumb {
    background-color: var(--scrollbar-thumb-color-active);
}
.markdown-content .plantuml-scrollbar-v.dragging .plantuml-scrollbar-v-thumb::after {
    border-color: var(--scrollbar-thumb-inset-color-active);
}
.markdown-content .plantuml-scrollbar-v:active .plantuml-scrollbar-v-thumb {
    background-color: var(--scrollbar-thumb-color-active);
}
.markdown-content .plantuml-scrollbar-v:active .plantuml-scrollbar-v-thumb::after {
    border-color: var(--scrollbar-thumb-inset-color-active);
}

/* MathJax math styling */
.markdown-content .mathjax-math-container {
    display: block;
    margin: 20px 0;
    overflow-x: auto;
    overflow-y: hidden;
    min-height: 1em;
    will-change: transform;
    backface-visibility: hidden;
    direction: ltr;
    text-align: left;
}

.markdown-content .mathjax-math-container mjx-container {
    font-size: var(--uosai-font-size-math);
    color: inherit;
    font-family: "Cambria Math", "Latin Modern Math", "Times New Roman", "Georgia", serif;
    font-weight: 700;
}

.markdown-content .mathjax-math-inline {
    display: inline;
    color: inherit;
    font-weight: 700;
}

.markdown-content .mathjax-math-inline mjx-container {
    color: inherit;
    font-family: "Cambria Math", "Latin Modern Math", "Times New Roman", "Georgia", serif;
}

/* Prevent layout shift during streaming */
.markdown-content mjx-container {
    display: inline-block;
}

.markdown-content mjx-container[display="true"] {
    display: block;
    margin: 20px 0;
    text-align: left !important;
    overflow-x: auto;
    overflow-y: hidden;
}

/* Dark mode for MathJax */
@media (prefers-color-scheme: dark) {
    .markdown-content .mathjax-math-container mjx-container,
    .markdown-content .mathjax-math-inline mjx-container {
        color: inherit;
    }
}

/* Streaming loading animation - inline with text flow */
.message-loading-indicator {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 0;
    margin-left: 4px;
    vertical-align: middle;
    will-change: transform;
    /* Ensure it flows naturally with text content */
    white-space: nowrap;
    /* Keep animation playing during position changes */
    animation: none;
    /* Smooth transition when position changes */
    transition: all 0.05s linear;
    /* Prevent it from breaking across lines */
    display: inline-flex !important;
}

/* Ensure loading indicator inside paragraphs remains inline */
.markdown-content p .message-loading-indicator,
.markdown-content li .message-loading-indicator,
.markdown-content span .message-loading-indicator {
    display: inline-flex !important;
    margin-left: 4px;
    vertical-align: middle;
}

.message-loading-indicator.loading-inline {
    display: inline-flex;
    vertical-align: baseline;
}

/* Removed fadeIn animation to prevent animation interruption */
/* The loading dots will animate continuously without fade effects */

.loading-dot {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--markdownrenderer-loading-dot);
    animation: blink 0.8s infinite alternate;
    will-change: transform;
    /* Ensure animation continues during position changes */
    animation-play-state: running;
    display: inline-block;
}

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

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

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

@keyframes blink {
    0% {
        opacity: 0.2;
    }
    100% {
        opacity: 1;
    }
}

/* Ensure the loading indicator wraps properly with text */
.markdown-content .message-loading-indicator {
    display: inline-flex !important;
    align-items: center;
    line-height: inherit;
    vertical-align: middle;
}

/* Waiting loading animation - bounce effect for empty text item */
.waiting-loading-indicator {
    display: inline-flex;
    align-items: center;
    background-color: transparent;
    padding: 0;
    margin: 0;
}

.waiting-dot {
    width: 6px;
    height: 6px;
    background-color: var(--markdownrenderer-waiting-dot);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
    display: inline-block;
    will-change: transform;
    transform-origin: center center;
}

.waiting-dot:nth-child(1) {
    animation-delay: -0.32s;
    margin-right: 4px;
}

.waiting-dot:nth-child(2) {
    animation-delay: -0.16s;
    margin-right: 4px;
}

.waiting-dot:nth-child(3) {
    animation-delay: 0s;
}

/* Ensure waiting dots inside paragraphs maintain spacing */
.markdown-content p .waiting-loading-indicator,
.markdown-content li .waiting-loading-indicator,
.markdown-content span .waiting-loading-indicator {
    display: inline-flex;
    gap: 4px;
}

@keyframes bounce {
    0%,
    80%,
    100% {
        transform: translateY(0);
        opacity: 0.3;
    }
    40% {
        transform: translateY(-6px);
        opacity: 1;
    }
}
