.catalog-page {
    --tree-width: 38%;
    --catalog-space-1: 4px;
    --catalog-space-2: 8px;
    --catalog-space-3: 12px;
    --catalog-space-4: 16px;
    --catalog-control-compact: 30px;
    --catalog-control-normal: 38px;
    --catalog-control-touch: 44px;
    --catalog-search-control-height: 30px;
    --catalog-resizer-hit: 24px;
    --catalog-resizer-line: 6px;
    --catalog-radius-control: 6px;
    --catalog-radius-panel: 9px;
    --catalog-scroll-safe: 12px;
    --catalog-line: var(--line, #d9dee6);
    --catalog-surface: var(--surface, #fff);
    --catalog-surface-muted: #f8faf9;
    --catalog-surface-soft: #f2f7f4;
    --catalog-accent: var(--accent, #789889);
    --catalog-danger: var(--bad, #d58478);
    position: relative;
}

.catalog-title-row {
    align-items: flex-start;
    display: flex;
    justify-content: space-between;
}

.catalog-modes {
    display: flex;
    gap: var(--catalog-space-2);
    margin: var(--catalog-space-3) 0;
}

.catalog-modes a {
    border: 1px solid var(--catalog-accent);
    border-radius: var(--catalog-radius-control);
    padding: 7px var(--catalog-space-3);
    text-decoration: none;
}

.catalog-modes a.active {
    background: var(--catalog-accent);
    color: #fff;
}

.catalog-split {
    border: 1px solid var(--catalog-line);
    border-radius: var(--catalog-radius-panel);
    display: grid;
    grid-template-columns: minmax(320px, var(--tree-width)) var(--catalog-resizer-hit) minmax(440px, 1fr);
    min-height: 70vh;
    overflow: hidden;
}

.catalog-tree-panel,
.catalog-content {
    min-width: 0;
}

.catalog-tree-panel {
    background: var(--catalog-surface-muted);
}

.catalog-search-row {
    align-items: center;
    border-bottom: 1px solid var(--catalog-line);
    display: flex;
    gap: var(--catalog-space-2);
    padding: var(--catalog-space-3);
    position: relative;
}

.catalog-search-wrap {
    flex: 1;
    position: relative;
}

.catalog-search-wrap input {
    width: 100%;
}

.catalog-suggestions {
    background: var(--catalog-surface);
    border: 1px solid var(--catalog-line);
    left: 0;
    max-height: 20rem;
    overflow: auto;
    position: absolute;
    right: 0;
    top: 100%;
    z-index: 20;
}

.catalog-suggestion {
    background: var(--catalog-surface);
    border: 0;
    display: block;
    padding: var(--catalog-space-2);
    text-align: left;
    width: 100%;
}

.catalog-suggestion:hover,
.catalog-suggestion.active {
    background: var(--catalog-surface-soft);
}

.catalog-suggestion small {
    color: var(--muted, #6b7280);
    display: block;
}

.catalog-resizer {
    background: transparent;
    cursor: col-resize;
    position: relative;
    touch-action: none;
    user-select: none;
}

.catalog-resizer::before {
    background: #dce5e0;
    bottom: 0;
    content: "";
    left: 50%;
    position: absolute;
    top: 0;
    transform: translateX(-50%);
    transition: background-color .12s ease;
    width: var(--catalog-resizer-line);
}

.catalog-resizer:hover::before,
.catalog-resizer:focus-visible::before,
.catalog-page.is-resizing .catalog-resizer::before {
    background: var(--catalog-accent);
}

.catalog-resizer:focus-visible {
    outline: 3px solid rgba(85, 125, 110, .32);
    outline-offset: -3px;
}

.catalog-page.is-resizing,
.catalog-page.is-resizing * {
    cursor: col-resize !important;
    user-select: none !important;
}

.catalog-tree-scroll {
    height: calc(70vh - 60px);
    overflow: auto;
    position: relative;
    scrollbar-gutter: stable;
}

.catalog-tree-window {
    bottom: auto;
    left: 0;
    position: absolute;
    right: var(--catalog-scroll-safe);
    top: 0;
}

.catalog-tree-row {
    align-items: center;
    border-bottom: 1px solid #edf1ef;
    box-sizing: border-box;
    display: flex;
    gap: 2px;
    height: var(--catalog-control-normal);
    padding-right: var(--catalog-space-2);
}

.catalog-tree-row[aria-selected="true"] {
    background: #dfece5;
}

.catalog-tree-label {
    background: transparent;
    border: 0;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-align: left;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.catalog-chevron {
    background: transparent;
    border: 0;
    flex: 0 0 22px;
    height: var(--catalog-control-normal);
    min-height: 0;
    min-width: 0;
    padding: 0;
    width: 22px;
}

.catalog-publication-indicator {
    text-align: center;
    width: 26px;
}

.catalog-content {
    max-height: 76vh;
    overflow: auto;
    padding: 0;
    scrollbar-gutter: stable;
}

.catalog-empty {
    color: #64716b;
    padding: calc(var(--catalog-space-4) * 2);
    text-align: center;
}

.catalog-card {
    border: 1px solid var(--catalog-line);
    border-radius: var(--catalog-radius-panel);
    margin-bottom: var(--catalog-space-4);
    overflow-wrap: anywhere;
    padding: var(--catalog-space-4);
}

.catalog-card-header {
    align-items: flex-start;
    display: flex;
    gap: var(--catalog-space-4);
    justify-content: space-between;
    position: relative;
}

.catalog-card-header h2 {
    margin: 0 0 var(--catalog-space-1);
}

.catalog-card-secondary {
    display: flex;
    flex-wrap: wrap;
    gap: var(--catalog-space-4);
    margin: var(--catalog-space-4) 0;
}

.catalog-card img {
    height: auto;
    max-width: 100%;
}

.catalog-card table {
    table-layout: fixed;
    width: 100%;
}

.catalog-card td,
.catalog-card th {
    overflow-wrap: anywhere;
}

.catalog-fields dl {
    display: grid;
    gap: var(--catalog-space-2);
    grid-template-columns: minmax(8rem, 12rem) 1fr;
}

.catalog-fields dt {
    font-weight: 700;
}

.catalog-chip {
    background: #e7f0eb;
    border-radius: 999px;
    display: inline-block;
    margin: 2px;
    padding: var(--catalog-space-1) var(--catalog-space-2);
}

.catalog-warning {
    background: #fff3cd;
    border: 1px solid #e2b93b;
    margin: var(--catalog-space-2) 0;
    padding: var(--catalog-space-3);
}

.catalog-toast-stack {
    display: grid;
    gap: var(--catalog-space-2);
    position: fixed;
    right: var(--catalog-space-4);
    top: var(--catalog-space-4);
    z-index: 80;
}

.catalog-toast {
    background: var(--catalog-surface);
    border-left: 5px solid var(--catalog-accent);
    box-shadow: 0 3px 18px #0003;
    max-width: 22rem;
    padding: var(--catalog-space-3);
}

.catalog-toast.error {
    border-color: var(--catalog-danger);
}

.catalog-basket {
    bottom: var(--catalog-space-4);
    position: fixed;
    right: var(--catalog-space-4);
    width: min(25rem, calc(100vw - 2rem));
    z-index: 60;
}

.catalog-basket-toggle {
    background: var(--catalog-accent);
    color: #fff;
    width: 100%;
}

.catalog-basket-panel {
    background: var(--catalog-surface);
    border: 1px solid var(--catalog-line);
    bottom: calc(100% + var(--catalog-space-2));
    box-sizing: border-box;
    box-shadow: 0 4px 22px #0003;
    max-height: 70vh;
    overflow: visible;
    padding: var(--catalog-space-4);
    position: absolute;
    right: 0;
    width: 100%;
}

.catalog-basket-panel ul {
    padding-left: 1.2rem;
}

.catalog-mode-switch {
    display: flex;
    margin-bottom: var(--catalog-space-3);
}

.catalog-mode-switch button.active {
    background: var(--catalog-accent);
    color: #fff;
}

.catalog-modal {
    background: #0008;
    display: grid;
    inset: 0;
    padding: var(--catalog-space-4);
    place-items: center;
    position: fixed;
    z-index: 100;
}

.catalog-modal[hidden] {
    display: none;
}

.catalog-modal > div {
    background: var(--catalog-surface);
    border-radius: var(--catalog-radius-panel);
    max-width: 34rem;
    padding: 20px;
}

.catalog-modal .danger {
    background: var(--catalog-danger);
    color: #fff;
}

.catalog-feed-sentinel {
    height: 1px;
}

.catalog-folder-back {
    margin: 0 0 var(--catalog-space-3);
}

@media (max-width: 899px) {
    .catalog-split {
        border: 0;
        display: block;
    }

    .catalog-resizer,
    .catalog-content {
        display: none;
    }

    .catalog-tree-scroll {
        border: 1px solid var(--catalog-line);
        height: 72vh;
    }

    .catalog-toast-stack {
        left: var(--catalog-space-2);
        right: var(--catalog-space-2);
        top: 4rem;
    }

    .catalog-basket {
        bottom: var(--catalog-space-2);
        left: var(--catalog-space-2);
        right: var(--catalog-space-2);
        width: auto;
    }

    .catalog-basket-toggle {
        width: 100%;
    }

    .catalog-basket-panel {
        width: 100%;
    }

    .catalog-fields dl {
        grid-template-columns: 1fr;
    }

    .catalog-tree-row {
        height: 46px;
    }

    .catalog-chevron {
        height: var(--catalog-control-touch);
        width: 28px;
        flex-basis: 28px;
    }
}

/* Transparent catalog controls must not inherit the global white button text. */
.page.page--catalog {
    max-width: none;
    width: 100%;
}

.catalog-page button.catalog-tree-label,
.catalog-page button.catalog-chevron,
.catalog-page .catalog-search-row button.icon-button,
.catalog-page button.catalog-suggestion {
    color: #202124 !important;
    -webkit-text-fill-color: #202124;
}

.catalog-card,
.catalog-card .markdown {
    max-width: none;
    width: 100%;
}

.catalog-fields dd {
    margin: 0;
    max-width: 100%;
    min-width: 0;
}

.catalog-chip {
    box-sizing: border-box;
    line-height: 1.3;
    max-width: calc(100% - .2rem);
    overflow-wrap: anywhere;
    white-space: normal;
}

.catalog-disclosure {
    border: 1px solid var(--catalog-line);
    border-radius: var(--catalog-radius-control);
    margin: var(--catalog-space-2) 0;
    overflow: hidden;
    width: 100%;
}

.catalog-disclosure summary {
    align-items: center;
    background: var(--catalog-surface-soft);
    cursor: pointer;
    display: flex;
    font-weight: 700;
    gap: var(--catalog-space-2);
    list-style: none;
    min-height: var(--catalog-control-normal);
    padding: var(--catalog-space-2) var(--catalog-space-3);
}

.catalog-disclosure summary::-webkit-details-marker {
    display: none;
}

.catalog-disclosure summary::before {
    content: "▸";
    flex: 0 0 auto;
    transition: transform .12s ease;
}

.catalog-disclosure[open] summary::before {
    transform: rotate(90deg);
}

.catalog-disclosure > .catalog-markdown,
.catalog-disclosure > p {
    border-top: 1px solid var(--catalog-line);
    margin: 0;
    max-width: none;
    padding: var(--catalog-space-3);
    width: 100%;
}

.catalog-page .catalog-search-row button.catalog-collapse-all {
    align-self: stretch;
    background: transparent;
    border: 1px solid var(--catalog-accent);
    border-radius: var(--catalog-radius-control);
    box-sizing: border-box;
    box-shadow: none;
    color: var(--catalog-accent) !important;
    height: var(--catalog-search-control-height);
    max-height: var(--catalog-search-control-height);
    max-width: var(--catalog-search-control-height);
    min-height: var(--catalog-search-control-height);
    min-width: var(--catalog-search-control-height);
    padding: 0;
    position: relative;
    width: var(--catalog-search-control-height);
    -webkit-text-fill-color: var(--catalog-accent);
}

.catalog-collapse-all span {
    background: var(--catalog-accent);
    border-radius: 2px;
    display: block;
    height: 3px;
    width: 16px;
}

.catalog-page .catalog-search-row button.catalog-collapse-all:hover {
    background: transparent;
    border-color: var(--catalog-accent);
}

.catalog-search-row {
    align-items: center;
}

.catalog-search-wrap input {
    box-sizing: border-box;
    height: var(--catalog-search-control-height);
    min-height: var(--catalog-search-control-height);
    padding: var(--catalog-space-1) var(--catalog-space-2);
}

.catalog-collapse-all span {
    bottom: 5px;
    left: 6px;
    position: absolute;
    right: 6px;
    width: auto;
}

.catalog-card .catalog-markdown img {
    background: transparent;
    border: 0;
    border-radius: 0;
    display: block;
    height: auto;
    margin: var(--catalog-space-3) auto;
    max-height: 15rem;
    max-width: 100%;
    object-fit: contain;
    padding: 0;
    width: auto;
}

.catalog-analog-link {
    color: var(--accent-dark);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* Unified task selection and action basket. */
.catalog-toast-stack {
    left: 1rem;
    right: auto;
}

.catalog-toast {
    max-width: 28rem;
}

.catalog-toast-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--catalog-space-2);
    margin-top: var(--catalog-space-2);
}

.catalog-basket[hidden] {
    display: none;
}

.catalog-basket-panel {
    display: flex;
    flex-direction: column;
    gap: var(--catalog-space-2);
    max-height: 70vh;
    overflow: visible;
    padding: var(--catalog-space-3);
    width: 100%;
}

.catalog-basket-panel[hidden] {
    display: none;
}

.folder-feed-header {
    align-items: start;
    background: var(--catalog-surface);
    border-bottom: 1px solid var(--catalog-line);
    box-sizing: border-box;
    display: grid;
    gap: var(--catalog-space-2);
    grid-template-columns: minmax(0, 1fr) var(--catalog-control-compact);
    min-height: 55px;
    padding: var(--catalog-space-3) var(--catalog-space-4);
    position: sticky;
    top: 0;
    z-index: 73;
}

.folder-feed-header h2 {
    grid-column: 1;
    line-height: 1.25;
    margin: 0;
    min-width: 0;
    overflow-wrap: anywhere;
}

.folder-feed-header .catalog-overlay-close {
    align-items: center;
    align-self: start;
    background: var(--catalog-danger);
    border: 0;
    border-radius: var(--catalog-radius-control);
    box-sizing: border-box;
    color: #fff;
    display: flex;
    flex: 0 0 var(--catalog-control-compact);
    font-size: 1.25rem;
    grid-column: 2;
    height: var(--catalog-control-compact) !important;
    justify-content: center;
    line-height: 1;
    max-height: var(--catalog-control-compact) !important;
    max-width: var(--catalog-control-compact) !important;
    min-height: var(--catalog-control-compact) !important;
    min-width: var(--catalog-control-compact) !important;
    padding: 0;
    width: var(--catalog-control-compact) !important;
}

[data-feed-index] {
    box-sizing: border-box;
    padding: var(--catalog-space-3) var(--catalog-space-3) 0;
}

@media (min-width: 900px) {
    .catalog-content.is-folder-feed .catalog-card-header {
        background: var(--catalog-surface);
        border-bottom: 1px solid var(--catalog-line);
        padding: var(--catalog-space-2) 0;
        position: sticky;
        top: var(--catalog-folder-header-height, 55px);
        z-index: 72;
    }

    .catalog-content.is-single-card > .catalog-card {
        border: 0;
        border-radius: 0;
        margin: 0;
        padding: var(--catalog-space-4);
    }

    .catalog-content.is-single-card > .catalog-card > .catalog-card-header {
        background: var(--catalog-surface);
        border-bottom: 1px solid var(--catalog-line);
        margin: calc(var(--catalog-space-4) * -1) calc(var(--catalog-space-4) * -1) var(--catalog-space-4);
        min-height: 55px;
        padding: var(--catalog-space-3) var(--catalog-space-4);
        position: sticky;
        top: 0;
        z-index: 72;
    }
}

.catalog-basket-toggle {
    font-size: .92rem;
    min-height: var(--catalog-control-normal);
    padding: var(--catalog-space-2) var(--catalog-space-3);
    width: 100%;
}

.catalog-basket-head,
.catalog-basket-primary-actions,
.catalog-basket-publication-actions {
    align-items: center;
    display: flex;
    gap: var(--catalog-space-2);
}

.catalog-basket-head,
.catalog-basket-primary-actions {
    justify-content: space-between;
}

.catalog-basket-sort-actions {
    display: flex;
    gap: var(--catalog-space-2);
}

.catalog-basket-sort-actions button {
    align-items: center;
    background: var(--catalog-accent);
    border: 0;
    border-radius: var(--catalog-radius-control);
    color: #fff;
    display: inline-flex;
    font-size: 0;
    font-weight: 900;
    height: var(--catalog-control-compact);
    justify-content: center;
    line-height: 1;
    max-height: var(--catalog-control-compact);
    max-width: var(--catalog-control-compact);
    min-height: var(--catalog-control-compact);
    min-width: var(--catalog-control-compact);
    padding: 0;
    position: relative;
    width: var(--catalog-control-compact);
}

.catalog-basket-sort-actions button::before {
    background: #fff;
    content: "";
    height: 6px;
    left: 50%;
    position: absolute;
    transform: translateX(-50%);
    width: 8px;
}

.catalog-basket-sort-actions button::after {
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    content: "";
    height: 0;
    left: 50%;
    position: absolute;
    transform: translateX(-50%);
    width: 0;
}

.catalog-basket-sort-actions button[data-basket-sort="asc"]::before {
    top: 16px;
}

.catalog-basket-sort-actions button[data-basket-sort="asc"]::after {
    border-bottom: 8px solid #fff;
    top: 8px;
}

.catalog-basket-sort-actions button[data-basket-sort="desc"]::before {
    top: 8px;
}

.catalog-basket-sort-actions button[data-basket-sort="desc"]::after {
    border-top: 8px solid #fff;
    top: 14px;
}

.catalog-basket-list {
    list-style: none;
    margin: 0;
    max-height: 40vh;
    overflow: auto;
    padding: 0 var(--catalog-scroll-safe) 0 0 !important;
    scrollbar-gutter: stable;
}

.catalog-basket-list li {
    align-items: center;
    border-bottom: 1px solid #edf1ef;
    display: grid;
    gap: var(--catalog-space-2);
    grid-template-columns: var(--catalog-control-compact) minmax(0, 1fr) var(--catalog-control-compact);
    padding: var(--catalog-space-2) 0;
}

.catalog-basket-list .link-button {
    overflow: hidden;
    text-align: left;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.catalog-basket-status {
    text-align: center;
}

.catalog-basket-remove {
    align-items: center;
    background: var(--catalog-danger);
    border: 0;
    border-radius: var(--catalog-radius-control);
    color: #fff;
    display: flex;
    height: var(--catalog-control-compact);
    justify-content: center;
    padding: 0;
    width: var(--catalog-control-compact);
}

.catalog-basket-primary-actions,
.catalog-basket-publication-actions {
    border-top: 1px solid var(--catalog-line);
    padding-top: var(--catalog-space-3);
}

.catalog-basket-publication-actions {
    align-items: stretch;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.catalog-basket-publication-actions button {
    height: 100%;
    min-width: 0;
    width: 100%;
}

.catalog-basket-clear {
    background: var(--catalog-danger);
    border-color: var(--catalog-danger);
    color: #fff;
    flex: 0 0 auto;
}

.catalog-folder-checkbox {
    flex: 0 0 auto;
}

.catalog-checkbox {
    appearance: none;
    background-color: #fff;
    border: 2px solid var(--catalog-accent);
    border-radius: 3px;
    box-sizing: border-box;
    cursor: pointer;
    display: inline-block;
    flex: 0 0 auto;
    margin: 0;
    position: relative;
    vertical-align: middle;
}

.catalog-checkbox--small {
    height: 18px;
    width: 18px;
}

.catalog-checkbox--large {
    height: 18px;
    width: 18px;
}

.catalog-checkbox:checked {
    background-color: var(--catalog-accent);
}

.catalog-checkbox:checked::after {
    border: solid #fff;
    border-width: 0 2px 2px 0;
    box-sizing: border-box;
    content: "";
    height: 55%;
    left: 50%;
    position: absolute;
    top: 44%;
    transform: translate(-50%, -50%) rotate(45deg);
    width: 30%;
}

.catalog-checkbox:indeterminate {
    background: var(--catalog-accent);
}

.catalog-checkbox:indeterminate::after {
    background: #fff;
    border: 0;
    border-radius: 1px;
    content: "";
    height: 2px;
    left: 20%;
    position: absolute;
    right: 20%;
    top: calc(50% - 1px);
    transform: none;
    width: auto;
}

.catalog-checkbox:focus-visible {
    outline: 3px solid rgba(85, 125, 110, .32);
    outline-offset: 2px;
}

.catalog-checkbox:disabled {
    cursor: default;
    opacity: .45;
}

.catalog-card-title-row {
    align-items: flex-start;
    display: flex;
    flex: 1 1 auto;
    gap: var(--catalog-space-2);
    min-width: 0;
    width: auto;
}

.catalog-card-title-row h2 {
    min-width: 0;
}

.catalog-select-control {
    align-items: flex-start;
    display: inline-flex;
    flex: 0 0 auto;
    justify-content: center;
    margin: 0;
    padding-top: 9px;
}

.catalog-select-control > .catalog-checkbox {
    margin: 0;
}

.catalog-card-delete-form {
    flex: 0 0 auto;
    margin: 0;
}

.catalog-standalone .catalog-card-header {
    align-items: center;
}

.catalog-standalone .catalog-card-secondary label {
    align-items: flex-start;
    display: inline-flex;
    font-weight: 400;
    gap: .4rem;
    margin: 0;
}

.catalog-card-secondary .catalog-checkbox {
    margin-top: 2px;
}

@media (max-width: 899px) {
    .catalog-content.is-overlay {
        background: var(--catalog-surface);
        box-sizing: border-box;
        display: block;
        inset: 0;
        max-height: none;
        max-width: 100vw;
        overflow: auto;
        overflow-x: hidden;
        padding: 0 var(--catalog-space-3) var(--catalog-space-4);
        position: fixed;
        width: 100vw;
        z-index: 70;
    }

    .catalog-content.is-overlay .catalog-overlay-close {
        align-items: center;
        background: var(--catalog-danger);
        border: 0;
        border-radius: var(--catalog-radius-control);
        color: #fff;
        display: flex;
        font-size: 1.25rem;
        box-sizing: border-box;
        flex: 0 0 var(--catalog-control-compact);
        height: var(--catalog-control-compact) !important;
        justify-content: center;
        line-height: 1;
        max-height: var(--catalog-control-compact) !important;
        max-width: var(--catalog-control-compact) !important;
        min-height: var(--catalog-control-compact) !important;
        min-width: var(--catalog-control-compact) !important;
        padding: 0;
        position: static;
        width: var(--catalog-control-compact) !important;
    }

    .catalog-content.is-overlay .catalog-card {
        box-sizing: border-box;
        max-width: 100%;
        min-width: 0;
        width: 100%;
    }

    .catalog-content.is-folder-feed [data-feed-index] {
        padding-left: 0;
        padding-right: 0;
    }

    .catalog-content.is-overlay .folder-feed-header {
        align-items: center;
        background: var(--catalog-surface);
        border-bottom: 1px solid var(--catalog-line);
        box-sizing: border-box;
        display: grid;
        gap: var(--catalog-space-1) var(--catalog-space-2);
        grid-template-columns: minmax(0, 1fr) var(--catalog-control-compact);
        grid-template-rows: auto;
        justify-content: center;
        min-height: 46px;
        padding: var(--catalog-space-2) var(--catalog-space-1);
        position: sticky;
        top: 0;
        z-index: 73;
    }

    .catalog-content.is-overlay .folder-feed-header h2 {
        grid-column: 1;
        grid-row: 1;
        margin: 0;
        min-width: 0;
        overflow-wrap: anywhere;
        white-space: normal;
    }

    .catalog-content.is-overlay .folder-feed-header .catalog-overlay-close {
        align-self: start;
        grid-column: 2;
        grid-row: 1;
    }

    .catalog-content.is-folder-feed .catalog-card-header {
        background: var(--catalog-surface);
        border-bottom: 1px solid var(--catalog-line);
        box-sizing: border-box;
        margin: 0;
        max-width: 100%;
        overflow: hidden;
        padding: var(--catalog-space-2) var(--catalog-space-1);
        position: sticky;
        top: var(--catalog-folder-header-height, 76px);
        z-index: 72;
    }

    .catalog-content.is-single-card .catalog-card-header {
        background: var(--catalog-surface);
        border-bottom: 1px solid var(--catalog-line);
        box-sizing: border-box;
        margin: 0;
        max-width: 100%;
        display: grid;
        gap: var(--catalog-space-2);
        grid-template-columns: minmax(0, 1fr) var(--catalog-control-compact);
        overflow: hidden;
        padding: var(--catalog-space-3) var(--catalog-space-1);
        position: sticky;
        top: 0;
        z-index: 72;
    }

    .catalog-content.is-single-card .catalog-card-header .catalog-card-title-row {
        grid-column: 1;
        min-width: 0;
    }

    .catalog-content.is-single-card .catalog-card-header .catalog-overlay-close {
        grid-column: 2;
    }

    .catalog-content.is-overlay .catalog-card-title-row {
        align-items: center;
        max-width: 100%;
    }

    .catalog-content.is-overlay .catalog-card-title-row h2 {
        font-size: 1.15rem;
        line-height: 1.25;
        margin: 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .catalog-content.is-overlay .catalog-markdown,
    .catalog-content.is-overlay .katex-display,
    .catalog-content.is-overlay .catalog-card table {
        box-sizing: border-box;
        max-width: 100%;
        overflow-x: auto;
        overflow-y: hidden;
    }

    .catalog-basket-panel {
        bottom: calc(100% + var(--catalog-space-2));
        left: 0;
        max-height: 68vh;
        position: absolute;
        right: 0;
        width: 100%;
    }

    .catalog-basket-list {
        max-height: 34vh;
    }
}