/* Library module — landing, browse, and list rows */

/* Scroll host: WorkspaceLayout column is overflow:hidden; page shell scrolls (see settings-page-content). */
.app-content-shell.page-section.library-page-host {
    flex: 1 1 auto;
    min-height: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    padding: 0 !important;
}

.app-content-shell.page-section.library-page-host > .page-content-standard.library-page {
    flex: 0 0 auto !important;
    min-height: auto !important;
    overflow: visible !important;
}

.library-page {
    display: block;
}

.library-page-header {
    margin-bottom: 4px;
}

.library-page-sections {
    margin-top: 16px;
}

/* Sections */
.library-section {
    margin-bottom: 28px;
}

.library-section:last-child {
    margin-bottom: 8px;
}

.library-section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 8px;
}

.library-section-header-text {
    min-width: 0;
    flex: 1;
}

.library-section-title {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--mud-palette-text-primary);
    line-height: 1.3;
}

.library-section-description {
    margin-top: 2px;
    font-size: 0.8125rem;
    color: var(--mud-palette-text-secondary);
    line-height: 1.35;
}

.library-section-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.library-section-placeholder {
    border: 1px dashed var(--mud-palette-lines-default);
    border-radius: 6px;
    padding: 12px 14px;
    background: var(--mud-palette-background-grey);
    font-size: 0.875rem;
}

.library-placeholder-list {
    margin: 8px 0 0;
    padding-left: 1.25rem;
    color: var(--mud-palette-text-secondary);
    font-size: 0.875rem;
}

.library-placeholder-list li {
    margin-bottom: 4px;
}

/* List container — rows only, no card box */
.library-list {
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--mud-palette-lines-default);
}

/* Compact list row */
.library-item {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 44px;
    padding: 6px 2px;
    border-bottom: 1px solid var(--mud-palette-lines-default);
    background: transparent;
    border-radius: 0;
    cursor: default;
    outline: none;
}

.library-item--openable {
    cursor: pointer;
}

.library-item--openable:hover,
.library-item--openable:focus-visible {
    background: var(--mud-palette-action-default-hover);
}

.library-item-icon {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    color: var(--mud-palette-text-secondary);
}

.library-item-primary {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    overflow: hidden;
}

.library-item-title {
    flex: 0 1 auto;
    min-width: 3rem;
    max-width: min(42vw, 360px);
    font-weight: 600;
    font-size: 0.875rem;
    line-height: 1.25;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--mud-palette-text-primary);
}

.library-item-meta {
    flex: 1 1 auto;
    min-width: 0;
    font-size: 0.8125rem;
    line-height: 1.25;
    color: var(--mud-palette-text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.library-item-badge {
    flex-shrink: 0;
    font-size: 0.6875rem;
    font-weight: 500;
    line-height: 1.2;
    padding: 2px 6px;
    border-radius: 4px;
    white-space: nowrap;
}

.library-item-badge--type {
    color: var(--mud-palette-text-secondary);
    border: 1px solid var(--mud-palette-lines-default);
}

.library-item-badge--ai {
    color: var(--mud-palette-info);
    background: color-mix(in srgb, var(--mud-palette-info) 12%, transparent);
}

.library-item-trailing {
    display: flex;
    align-items: center;
    gap: 2px;
    flex-shrink: 0;
}

.library-item-chevron {
    opacity: 0.55;
}

.library-item--openable:hover .library-item-chevron,
.library-item--openable:focus-visible .library-item-chevron {
    opacity: 1;
}

.library-item-actions {
    opacity: 0.4;
    transition: opacity 120ms ease;
}

.library-item:hover .library-item-actions,
.library-item:focus-within .library-item-actions {
    opacity: 1;
}

.library-browse-header {
    margin-bottom: 8px;
}

@media (max-width: 768px) {
    .library-section-header {
        flex-direction: column;
    }

    .library-section-actions {
        width: 100%;
    }

    .library-item-primary {
        flex-wrap: wrap;
        row-gap: 2px;
    }

    .library-item-title {
        max-width: 100%;
        flex: 1 1 100%;
    }

    .library-item-meta {
        flex: 1 1 100%;
        white-space: normal;
        display: -webkit-box;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;
    }
}

/* Item viewer + inspector */
.library-item-page {
    min-height: 0;
}

.library-item-page .library-item-layout {
    min-width: 0;
}

.library-item-page .library-item-viewer-pane {
    overflow-x: auto;
}

.library-item-header {
    margin-bottom: 16px;
}

.library-item-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 20px;
    align-items: start;
}

.library-item-viewer-pane {
    min-width: 0;
    border: 1px solid var(--mud-palette-lines-default);
    border-radius: 8px;
    background: var(--mud-palette-surface);
    padding: 12px;
    min-height: 480px;
}

.library-inspector-panel {
    border: 1px solid var(--mud-palette-lines-default);
    border-radius: 8px;
    background: var(--mud-palette-background-grey);
    padding: 16px;
    position: sticky;
    top: 12px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
}

.library-inspector-title {
    word-break: break-word;
}

.library-inspector-section-title {
    font-weight: 600;
    margin-bottom: 8px;
}

.library-inspector-field {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 8px;
    font-size: 0.85rem;
}

.library-inspector-field-label {
    color: var(--mud-palette-text-secondary);
}

.library-inspector-field-value {
    word-break: break-word;
}

.library-viewer-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 240px;
}

.library-viewer-content-document {
    max-height: calc(100vh - 220px);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.library-viewer-content-document .content-canvas-scroll-wrapper {
    flex: 1 1 auto;
    min-height: 0;
    max-height: none;
}

/* Embedded edit: same A4 canvas shell as read-only ContentDocumentCanvas */
.library-content-editor-surface {
    display: flex;
    flex-direction: column;
    min-height: 0;
    flex: 1 1 auto;
}

.library-document-edit-canvas {
    scroll-behavior: auto;
    overscroll-behavior: contain;
}

.library-a4-edit-frame {
    width: 210mm;
    max-width: 100%;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.library-a4-edit-toolbar {
    width: 100%;
    flex-shrink: 0;
    padding: 6px 10px;
    background: #fafafa;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-bottom: none;
    border-radius: 4px 4px 0 0;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.library-a4-edit-toolbar .toast-editor-toolbar {
    min-height: 0;
}

.library-a4-edit-toolbar .toolbar-stack {
    flex-wrap: wrap;
    gap: 4px;
}

.library-a4-edit-actions {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 8px;
    width: 100%;
    flex-shrink: 0;
    padding: 10px 4px 4px;
}

/* Editor embedded in A4 page — mirrors Edit.razor / content-canvas view typography */
.library-a4-edit-content .markdown-block-editor-container {
    width: 100% !important;
    flex: 1 1 auto;
    min-height: 480px;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    border-radius: 0 !important;
    background: transparent !important;
    display: flex;
    flex-direction: column;
}

.library-a4-edit-content .markdown-block-editor {
    width: 100% !important;
    flex: 1 1 auto;
    min-height: 480px;
    height: 100% !important;
}

.library-a4-edit-content .toastui-editor-toolbar,
.library-a4-edit-content .toastui-editor-defaultUI-toolbar,
.library-a4-edit-content .toastui-editor-md-tab-container,
.library-a4-edit-content .toastui-editor-toolbar-group,
.library-a4-edit-content .toastui-editor-tabs,
.library-a4-edit-content .toastui-editor-popup {
    display: none !important;
    visibility: hidden !important;
}

.library-a4-edit-content .toastui-editor {
    width: 100% !important;
    height: 100%;
    display: flex !important;
    flex-direction: column !important;
    overscroll-behavior: contain;
}

.library-a4-edit-content .toastui-editor-defaultUI {
    width: 100% !important;
    height: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
    border: none !important;
    box-shadow: none !important;
}

.library-a4-edit-content .toastui-editor-main,
.library-a4-edit-content .toastui-editor-main-container {
    display: flex !important;
    flex-direction: column !important;
    flex: 1 1 auto !important;
    height: 100% !important;
    width: 100% !important;
    position: relative !important;
}

.library-a4-edit-content .toastui-editor-ww-container {
    display: block !important;
    visibility: visible !important;
    width: 100% !important;
    height: 100% !important;
    flex: 1 1 auto !important;
    overflow: hidden !important;
    position: relative !important;
}

.library-a4-edit-content .toastui-editor-ww-container .ProseMirror,
.library-a4-edit-content .ProseMirror {
    display: block !important;
    visibility: visible !important;
    width: 100% !important;
    min-height: 480px !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    overscroll-behavior: contain;
    padding: 20mm 15mm !important;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
        Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif !important;
    color: #1e293b !important;
    line-height: 1.75 !important;
    font-size: 1rem !important;
    box-sizing: border-box !important;
}

.library-a4-edit-content .toastui-editor-contents {
    padding: 20mm 15mm !important;
    min-height: 480px !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
        Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif !important;
    color: #1e293b !important;
    line-height: 1.75 !important;
    font-size: 1rem !important;
    box-sizing: border-box !important;
}

.library-document-edit-canvas:has(.toastui-editor) {
    scroll-behavior: auto;
}

@media (max-width: 768px) {
    .library-a4-edit-frame {
        width: 100%;
    }
}

.library-viewer-document-preview {
    min-height: 480px;
    display: flex;
    flex-direction: column;
}

.library-viewer-iframe {
    width: 100%;
    min-height: 70vh;
    border: none;
    border-radius: 4px;
    background: #f5f5f5;
}

.library-viewer-image {
    max-width: 100%;
    max-height: calc(100vh - 220px);
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

.library-viewer-summary-card {
    background: var(--mud-palette-background-grey);
}

@media (max-width: 1100px) {
    .library-item-layout {
        grid-template-columns: 1fr;
    }

    .library-inspector-panel {
        position: static;
        max-height: none;
        overflow-x: auto;
    }
}