styles.css

/* styles.css */
.markdown-preview-view pre {
    position: relative;
    padding-top: 24px;
    user-select: text;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.markdown-preview-view pre code {
    display: block;
    line-height: 1.5em;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-x: auto;
}

.markdown-preview-view pre.collapsed code {
    max-height: calc(var(--collapsed-lines, 1) * 1.5em);
    overflow: hidden;
    overflow-x: hidden;
}

.code-block-toggle {
    position: absolute;
    left: 4px;
    top: 4px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    cursor: pointer;
    z-index: 2;
    background: transparent;
    border-radius: 4px;
    user-select: none;
    font-size: 16px;
}

.code-block-toggle:hover {
    color: var(--text-normal);
    background: var(--background-modifier-hover);
}

.code-block-toggle:focus-visible {
    outline: 2px solid var(--text-accent);
    outline-offset: 2px;
}

.code-block-toggle::selection {
    background: transparent;
}

body.horizontal-scroll .markdown-preview-view pre:not(.collapsed) code {
    white-space: pre;
}

.markdown-preview-view pre code::-webkit-scrollbar:vertical {
    width: 0;
}

/* New styles for dynamic states */
.hidden {
    display: none !important;
}

.element-hidden {
    display: none !important;
}

.element-visible {
    display: block;
}

.element-spacing {
    margin-top: var(--element-spacing);
}

/* Custom properties for dynamic values */
:root {
    --element-spacing: 0px;
    --collapsed-lines: 1;
}

.code-block-folded {
    min-height: 3em;
    padding: 1.5em 1em 1em 48px;
    background: var(--code-background);
    border-radius: 4px;
    color: var(--text-muted);
    font-family: var(--font-monospace);
    font-size: var(--code-size);
    line-height: var(--line-height-tight);
    position: relative;
}

.HyperMD-codeblock {
    position: relative;
    padding-left: 32px;
}

.code-block-folded .folded-content {
    max-height: calc(var(--collapsed-lines, 1) * 1.5em);
    overflow: hidden;
    white-space: pre;
}

.code-block-folded .code-block-toggle {
    top: 4px;
    left: 4px;
}