.knowledge-content {
    color: var(--mud-palette-text-primary);
    background: var(--mud-palette-surface);
    border-radius: 18px;
    padding: 1.5rem;
}

.knowledge-content h1,
.knowledge-content h2,
.knowledge-content h3 {
    margin-top: 1.6rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.knowledge-content h1:first-child,
.knowledge-content h2:first-child,
.knowledge-content h3:first-child {
    margin-top: 0;
}

.knowledge-content p,
.knowledge-content li {
    line-height: 1.7;
}

.knowledge-content blockquote {
    margin: 1rem 0;
    padding: 0.9rem 1rem;
    border-left: 4px solid var(--mud-palette-primary);
    border-radius: 0 10px 10px 0;
    background: rgba(var(--mud-palette-primary-rgb), 0.08);
}

.knowledge-content img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 1rem 0;
    border-radius: 12px;
    border: 1px solid var(--mud-palette-lines-default);
}

.knowledge-content pre {
    overflow-x: auto;
    padding: 1rem;
    border-radius: 12px;
    background: rgba(var(--mud-palette-primary-rgb), 0.08);
    border: 1px solid var(--mud-palette-lines-default);
}

.knowledge-content code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

.knowledge-content :not(pre) > code {
    padding: 0.12rem 0.35rem;
    border-radius: 6px;
    background: rgba(var(--mud-palette-primary-rgb), 0.12);
}

.knowledge-content table {
    width: 100%;
    margin: 1rem 0;
    border-collapse: collapse;
}

.knowledge-content th,
.knowledge-content td {
    padding: 0.65rem 0.8rem;
    border: 1px solid var(--mud-palette-lines-default);
    vertical-align: top;
}

.knowledge-content .knowledge-mermaid {
    text-align: center;
    background: var(--mud-palette-background);
    padding: 1rem;
    border: 1px solid var(--mud-palette-lines-default);
    border-radius: 12px;
    overflow-x: auto;
}

.knowledge-content .knowledge-mermaid svg {
    max-width: 100%;
    height: auto;
}

.knowledge-mermaid-fallback {
    margin-top: 0.75rem;
    text-align: left;
}

.knowledge-mermaid-rejected,
.knowledge-mermaid-error {
    border-color: var(--mud-palette-warning);
}

.knowledge-toc {
    border-left: 3px solid var(--mud-palette-primary);
    padding-left: 1rem;
}

.knowledge-create-hub {
    border: 1px solid var(--mud-palette-lines-default);
    border-radius: 18px;
}

.knowledge-create-option {
    height: 100%;
    border-radius: 14px;
}

.knowledge-asset-thumb {
    max-height: 96px;
    object-fit: contain;
    border-radius: 10px;
    border: 1px solid var(--mud-palette-lines-default);
}