trilium/packages/ckeditor5-math/theme/mathform.css

/**
 * Math equation editor dialog styles
 */

/* Ensure MathLive UI (keyboard, popovers, autocomplete) appears above CKEditor balloon */
.ML__keyboard,
.ML__popover,
.ML__menu,
.ML__suggestions,
.ML__autocomplete,
[data-ml-root],
/* MathLive LaTeX suggestions popover (by id, from DOM) */
#mathlive-suggestion-popover,
/* Potential class name variant for suggestions popover */
.mathlive-suggestions-popover {
    z-index: calc(var(--ck-z-panel) + 1000) !important;
}

/* ============================================================================
   Main Dialog Container
   ========================================================================= */

.ck.ck-math-form {
    display: flex;
    flex-direction: column;
    padding: var(--ck-spacing-standard);
    box-sizing: border-box;
    max-width: 80vw;
    max-height: 80vh;
    overflow-x: hidden;
    /* Allow text/MathLive selection inside the dialog even though
       the global body style sets user-select: none; */
    user-select: text;
}

/* Mobile responsiveness */
@media screen and (max-width: 600px) {
    .ck.ck-math-form {
        flex-wrap: wrap;
    }
}

/* ============================================================================
   Content Layout
   ========================================================================= */

.ck-math-scroll {
    overflow: auto;
    flex: 1 1 auto;
    min-height: 0;
}

.ck-math-view {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    gap: var(--ck-spacing-standard);
    min-height: 0;
    min-width: 0;
    width: 100%;
}

.ck-math-button-row {
    display: flex;
    flex-shrink: 0;
    gap: var(--ck-spacing-standard);
    margin-top: var(--ck-spacing-standard);
    width: fit-content;
    max-width: 100%;
    flex-wrap: wrap;
}

/* ============================================================================
   Shared Styles for Input Fields
   ========================================================================= */

/* Base styling for both MathLive fields and textareas */
.ck.ck-math-form math-field,
.ck.ck-math-form textarea {
    box-sizing: border-box;
    padding: var(--ck-spacing-small);
    background: var(--ck-color-input-background) !important;
    color: var(--ck-color-input-text, inherit);
    background: transparent !important;
    border: none !important;
    border-radius: 0;
    padding: 0;
    margin: 0;
    box-shadow: none !important;
    outline: none !important;
    outline-offset: 0 !important;
    transition: none !important;
    animation: none !important;
}

.ck.ck-math-input .ck-textarea,
.ck.ck-math-input .ck-textarea:focus,
.ck.ck-math-input .ck-textarea:hover {
    transition: none !important;
    box-shadow: none !important;
    animation: none !important;
}

.ck.ck-math-form math-field:focus-within,
.ck.ck-math-form textarea:focus {
    outline: none !important;
    outline-offset: 0 !important;
    box-shadow: none !important;
    transition: none !important;
}

/* MathLive-specific configuration */
.ck.ck-math-form math-field {
    display: block !important;
    width: 100%;
    max-width: 100%;
    overflow-x: auto !important;
    font-size: 1.5em;

    /* MathLive theme customization */
    --selection-background-color: rgba(33, 150, 243, 0.2);
    --selection-color: inherit;
    --contains-highlight-background-color: rgba(0, 0, 0, 0.05);
}

/* ============================================================================
   MathLive Visual Editor
   ========================================================================= */

/* Position MathLive UI controls (keep default internal layout and sizing) */
.ck.ck-math-form math-field::part(virtual-keyboard-toggle),
.ck.ck-math-form math-field::part(menu-toggle) {
    position: absolute;
    top: 8px;
}

.ck.ck-math-form math-field::part(virtual-keyboard-toggle) {
    right: 40px;
}

.ck.ck-math-form math-field::part(menu-toggle) {
    right: 8px;
    display: flex !important;
    visibility: visible !important;
}

/* ============================================================================
   Combined Math Input (MathLive + LaTeX Textarea)
   ========================================================================= */

.ck.ck-math-input {
    display: flex;
    flex-direction: column;
    gap: var(--ck-spacing-standard);
    width: 100%;
    flex: 1 1 auto;
    min-height: 0;
}

.ck.ck-math-input .ck-mathlive-container {
    display: flex;
    width: 100%;
    min-height: 50px;
    flex-shrink: 0;
    padding: var(--ck-spacing-small);
    border: 1px solid var(--ck-color-input-border, #ccc);
    border-radius: var(--ck-border-radius, 6px);
    background: var(--ck-color-input-background) !important;
    transition: border-color 120ms ease;
}

.ck.ck-math-input .ck-mathlive-container:focus-within {
    border-color: var(--ck-color-focus-border, #1a73e8);
}

.ck.ck-math-input .ck-latex-wrapper {
    display: flex;
    flex-direction: column;
    width: 100%;
    min-height: 60px;
    flex: 1 1 auto;
    padding: var(--ck-spacing-small);
    border: 1px solid var(--ck-color-input-border, #ccc);
    border-radius: var(--ck-border-radius, 6px);
    background: var(--ck-color-input-background) !important;
    transition: border-color 120ms ease;
}

.ck.ck-math-input .ck-latex-wrapper:focus-within {
    border-color: var(--ck-color-focus-border, #1a73e8);
}

.ck.ck-math-input .ck-latex-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--ck-color-text, #333);
    opacity: 0.8;
    margin: 0 0 var(--ck-spacing-small) 0;
}

.ck.ck-math-input .ck-latex-textarea {
    display: block;
    width: 100%;
    min-width: 100%;
    min-height: 60px;
    max-height: 100%;
    flex: 1 1 auto;
    resize: both;
    overflow: auto;
    font-family: monospace;
    background: transparent !important;
    border: none !important;
    padding: 0;
}

.ck.ck-math-input .ck-latex-textarea:focus {
    outline: none;
}

/* ============================================================================
   Error State
   ========================================================================= */

.ck-math-render-error {
    color: var(--ck-color-error-text, #db1d1d);
    padding: var(--ck-spacing-small);
    font-style: italic;
    font-size: 0.9em;
    border: 1px dashed var(--ck-color-error-text, #db1d1d);
    border-radius: 2px;
    background: var(--ck-color-base-background, #fff);
}

/* ============================================================================
   Preview Section
   ========================================================================= */

.ck-math-preview {
    flex-shrink: 0;
    overflow-x: auto;
    overflow-y: hidden;
}