/* ModernDocumentBuilder - Layout Support Styles
   Styles for columns, image-text layouts, and alignment */

/* Columns Layout - constrain to container to prevent distortion when adding/changing columns */
.columns-block {
    margin: 16px 0;
    padding: 16px;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    background: #f8f9fa;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

/* View mode: content only, minimal chrome (used when block is not focused) */
.columns-block.columns-block--view-mode {
    border: 1px solid #eee;
    background: transparent;
    padding: 8px 0;
    cursor: pointer;
}

.column-layout {
    display: grid;
    gap: 16px;
    width: 100%;
    max-width: 100%;
    margin-bottom: 8px;
    min-width: 0; /* Allow grid to shrink inside flex/page */
    box-sizing: border-box;
}

.column-layout[data-columns="2"] {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.column-layout[data-columns="3"] {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.column-layout[data-columns="4"] {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.column-layout-column {
    min-height: 0;
    min-width: 0; /* Prevent grid item from overflowing and distorting layout */
    padding: 12px;
    background: white;
    border: 1px dashed #cbd5e0;
    border-radius: 4px;
    position: relative;
    box-sizing: border-box;
}

/* Edit mode: empty columns get minimal height so they remain clickable */
.column-layout-column.column-layout-column--empty {
    min-height: 32px;
}

/* View mode: column cells show content only, no borders/background */
.columns-block--view-mode .column-layout-column--view {
    padding: 0;
    background: transparent;
    border: none;
    min-height: 0;
}

.column-layout-column:focus-within {
    border-color: var(--mud-palette-primary, #1976d2);
    border-style: solid;
    box-shadow: 0 0 0 2px rgba(25, 118, 210, 0.1);
}

/* Nested Editor.js styling within columns */
.column-layout-column .ce-block {
    margin-bottom: 8px;
}

.column-layout-column .ce-toolbar {
    z-index: 10;
}

/* @calumk/editorjs-columns: bundled CSS sets low z-index on nested toolbars; override with higher specificity */
.ce-editorjsColumns_wrapper {
    overflow: visible !important;
}
.ce-editorjsColumns_col {
    overflow: visible !important;
    position: relative;
}

/* Nested Editor.js instances: page CSS scopes overflow-x:hidden to .editorjs-wrapper > .codex-editor only.
   Force visible on both axes so block popovers/toolboxes are not clipped (CSS overflow pairing). */
.document-builder-canvas .ce-editorjsColumns_col .codex-editor,
.modern-document-page .ce-editorjsColumns_col .codex-editor,
.a4-page .ce-editorjsColumns_col .codex-editor {
    overflow: visible !important;
    overflow-x: visible !important;
    overflow-y: visible !important;
}

/* Outer layout block row: calumk bundle caps toolbar content width; keep parent + / six-dots usable */
.document-builder-canvas .ce-block[data-type="layout"] > .ce-toolbar .ce-toolbar__content,
.modern-document-page .ce-block[data-type="layout"] > .ce-toolbar .ce-toolbar__content,
.a4-page .ce-block[data-type="layout"] > .ce-toolbar .ce-toolbar__content {
    max-width: none !important;
}

/* @calumk/editorjs-columns: tall block content makes Editor.js place the PARENT block toolbar
   mid-column; pin + / six-dots to the top of the layout block (see github.com/calumk/editorjs-columns). */
.document-builder-canvas .ce-block[data-type="layout"] > .ce-toolbar,
.modern-document-page .ce-block[data-type="layout"] > .ce-toolbar,
.a4-page .ce-block[data-type="layout"] > .ce-toolbar {
    top: 0 !important;
}

/* Slight chrome so users can click outside nested editors to focus the layout block */
.document-builder-canvas .ce-block[data-type="layout"] .ce-editorjsColumns_wrapper,
.modern-document-page .ce-block[data-type="layout"] .ce-editorjsColumns_wrapper,
.a4-page .ce-block[data-type="layout"] .ce-editorjsColumns_wrapper {
    min-height: 2.5rem;
    box-sizing: border-box;
}

.ce-editorjsColumns_wrapper .ce-toolbar__actions {
    z-index: 10002 !important;
}
.ce-editorjsColumns_wrapper .ce-toolbar {
    z-index: 10002 !important;
}
.ce-editorjsColumns_wrapper .ce-popover,
.ce-editorjsColumns_wrapper .ce-inline-toolbar,
.ce-editorjsColumns_wrapper .ce-toolbox,
.ce-editorjsColumns_wrapper .ce-settings,
.ce-editorjsColumns_wrapper .ce-conversion-toolbar {
    z-index: 10002 !important;
}
/* Editor.js 2.x popover internals */
.ce-editorjsColumns_wrapper .ce-popover__container,
.ce-editorjsColumns_wrapper .ce-popover-item,
.ce-editorjsColumns_wrapper .cdx-search-field {
    z-index: 10002 !important;
}

/* Editor.js Popover and Toolbox z-index fixes */
/* CRITICAL: All Editor.js UI elements must have highest z-index to appear above overlays and dialogs */
/* Ensure Editor.js popover (block selector) appears above other elements */
.ce-popover {
    z-index: 10001 !important; /* Above overlay (9999) and dialogs (10000) */
}

/* Ensure Editor.js toolbox (block selector) appears above other elements */
.ce-toolbox {
    z-index: 10001 !important; /* Above overlay (9999) and dialogs (10000) */
}

/* Ensure Editor.js inline toolbar appears above other elements */
.ce-inline-toolbar {
    z-index: 10001 !important; /* Above overlay (9999) and dialogs (10000) */
}

/* Ensure Editor.js settings popover (block menu) appears above other elements */
.ce-settings {
    z-index: 10001 !important; /* Above overlay (9999) and dialogs (10000) */
}

/* Ensure Editor.js conversion toolbar appears above other elements */
.ce-conversion-toolbar {
    z-index: 10001 !important; /* Above overlay (9999) and dialogs (10000) */
}

/* Ensure Editor.js toolbar appears above other elements */
.ce-toolbar {
    z-index: 10001 !important; /* Above overlay (9999) and dialogs (10000) */
}

/* Ensure toolbar buttons are visible and clickable */
.ce-toolbar__plus {
    z-index: 10001 !important;
    display: flex !important;
    visibility: visible !important;
}

.ce-toolbar__settings-btn {
    z-index: 10001 !important;
}

.column-layout-column .ce-block__content {
    max-width: 100%;
}

.column-editor-holder {
    width: 100%;
    min-height: 0;
}

.column-editor-holder .ce-editorjsBlock {
    margin-bottom: 8px;
}

.column-editor-holder .ce-toolbar__plus {
    display: flex !important;
    visibility: visible !important;
}

.column-editor-holder .ce-block {
    min-height: 24px;
}

/* Ensure nested editors are visible immediately */
.column-layout-column .column-editor-holder {
    opacity: 1;
    transition: opacity 0.2s;
}

/* Image-Text Side-by-Side Layout */
.image-text-layout {
    margin: 16px 0;
    padding: 16px;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
}

.image-text-layout-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
}

.image-text-layout-image {
    width: 100%;
}

.image-text-layout-image img {
    width: 100%;
    height: auto;
    border-radius: 4px;
}

.image-text-layout-text {
    width: 100%;
}

/* Image alignment within paragraphs */
.ce-block[data-alignment="left"] .ce-block__content img,
.ce-block[data-alignment="left"] .image-tool {
    float: left;
    margin-right: 16px;
    margin-bottom: 8px;
}

.ce-block[data-alignment="right"] .ce-block__content img,
.ce-block[data-alignment="right"] .image-tool {
    float: right;
    margin-left: 16px;
    margin-bottom: 8px;
}

.ce-block[data-alignment="center"] .ce-block__content img,
.ce-block[data-alignment="center"] .image-tool {
    display: block;
    margin: 0 auto 16px;
}

/* Text alignment */
.ce-block[data-alignment="left"] .ce-block__content {
    text-align: left;
}

.ce-block[data-alignment="center"] .ce-block__content {
    text-align: center;
}

.ce-block[data-alignment="right"] .ce-block__content {
    text-align: right;
}

/* Responsive: Stack columns on mobile */
@media (max-width: 768px) {
    .columns-grid[data-columns="2"],
    .columns-grid[data-columns="3"],
    .columns-grid[data-columns="4"] {
        grid-template-columns: 1fr;
    }
    
    .image-text-layout-container {
        grid-template-columns: 1fr;
    }
}