.main-shell {
    width: 100%;
    max-width: var(--maxw);
    padding: 0 var(--layout-gutter) 40px;
}

.page-shell,
.page-inner {
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.public-catalog {
    width: 100%;
}

.catalog-breadcrumb {
    display: flex;
    gap: 8px;
    padding: 24px 0 4px;
    color: var(--text-soft);
    font-size: 12.5px;
}

.catalog-breadcrumb a {
    color: var(--green-dark);
    font-weight: 600;
    text-decoration: none;
}

.catalog-section {
    padding: 20px 0 64px;
}

.catalog-heading {
    display: flex;
    max-width: none;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 36px;
}

.catalog-heading > div {
    max-width: 640px;
}

.catalog-eyebrow {
    color: var(--green);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.catalog-heading h1 {
    margin: 10px 0 12px;
    color: var(--purple);
    font-size: 30px;
    font-weight: 800;
    letter-spacing: -.01em;
    line-height: 1.15;
}

.catalog-heading p {
    margin: 0;
    color: var(--text-soft);
    font-size: 15.5px;
    line-height: 1.55;
}

.catalog-submit {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    gap: 8px;
    border: 1.5px solid var(--green);
    border-radius: 11px;
    padding: 10px 22px;
    color: #fff;
    background: var(--green);
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    transition: background-color .15s, border-color .15s;
}

.catalog-submit:hover {
    border-color: var(--green-dark);
    color: #fff;
    background: var(--green-dark);
}

.catalog-layout {
    display: grid;
    grid-template-columns: 290px minmax(0, 1fr);
    align-items: start;
    gap: 30px;
}

.catalog-sidebar {
    position: sticky;
    top: 96px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    background: var(--surface);
}

.catalog-filter-group {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: 8px;
}

.catalog-filter-label {
    color: var(--purple);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.catalog-multiselect {
    position: relative;
}

.catalog-option-search {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 13px;
    color: var(--text);
    background: var(--surface);
    font-family: inherit;
    font-size: 13.5px;
    line-height: normal;
    outline: none;
    transition: border-color .2s, box-shadow .2s;
}

.catalog-option-search:focus {
    border-color: var(--green);
    box-shadow: 0 0 0 3px var(--green-pale);
}

.catalog-filter-panel {
    position: absolute;
    z-index: 60;
    top: calc(100% + 6px);
    right: 0;
    left: 0;
    display: none;
    max-height: 240px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 6px;
    background: var(--surface);
    box-shadow: var(--shadow-lg);
}

.catalog-filter-panel.is-open {
    display: block;
}

.catalog-filter-panel fieldset {
    display: grid;
    gap: 0;
    margin: 0;
    border: 0;
    padding: 0;
}

.catalog-filter-option {
    position: relative;
    display: block;
    margin: 0;
    border-radius: 8px;
    padding: 9px 12px;
    color: var(--text);
    cursor: pointer;
    font-size: 13px;
    line-height: 1.35;
}

.catalog-filter-option:hover,
.catalog-filter-option:has(input:focus-visible) {
    color: var(--green-dark);
    background: var(--green-pale);
}

.catalog-filter-option:has(input:checked) {
    padding-right: 28px;
    color: var(--green-dark);
    background: var(--green-pale);
    font-weight: 700;
}

.catalog-filter-option:has(input:checked)::after {
    position: absolute;
    top: 8px;
    right: 10px;
    content: "\2713";
    color: var(--green);
}

.catalog-filter-option input {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.catalog-filter-empty {
    margin: 0;
    padding: 10px 12px;
    color: var(--text-soft);
    font-size: 12.5px;
}

.catalog-selected-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.catalog-selected-chips > span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--lilac-tint);
    border-radius: 18px;
    padding: 4px 6px 4px 11px;
    color: var(--purple-mid);
    background: var(--lilac-pale);
    font-size: 12px;
    font-weight: 600;
    line-height: 1.3;
}

.catalog-selected-chips a {
    display: grid;
    width: 18px;
    height: 18px;
    place-items: center;
    border-radius: 50%;
    color: #fff;
    background: var(--purple-soft);
    font-size: 13px;
    line-height: 1;
    text-decoration: none;
}

.catalog-clear,
.catalog-noscript-submit {
    display: inline-flex;
    width: 100%;
    align-items: center;
    justify-content: center;
    border: 1.5px solid var(--border);
    border-radius: 9px;
    padding: 8px 14px;
    color: var(--purple);
    background: var(--surface);
    font-family: inherit;
    font-size: 12.5px;
    font-weight: 700;
    line-height: normal;
    text-decoration: none;
}

.catalog-clear:hover,
.catalog-noscript-submit:hover {
    border-color: var(--purple-mid);
    color: var(--purple);
    background: var(--lilac-pale);
}

.catalog-results {
    min-width: 0;
}

.catalog-results-count {
    margin: 0 0 16px;
    color: var(--text-soft);
    font-size: 12.5px;
    font-weight: 600;
    line-height: 1.55;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 18px;
}

.catalog-card {
    display: flex;
    min-width: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 22px;
    background: var(--surface);
    transition: border-color .15s, box-shadow .15s;
}

.catalog-card:hover {
    border-color: var(--green-soft);
    box-shadow: var(--shadow);
}

.catalog-card-top {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.catalog-badge,
.catalog-year {
    display: inline-flex;
    border-radius: 20px;
    padding: 4px 10px;
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: .04em;
    line-height: 1.2;
    text-transform: uppercase;
}

.catalog-badge {
    color: var(--green-dark);
    background: var(--green-pale);
}

.catalog-year {
    color: var(--text-soft);
    background: var(--bg-alt);
}

.catalog-card h2 {
    margin: 0;
    color: var(--purple);
    font-size: 16px;
    font-weight: 800;
    letter-spacing: -.01em;
    line-height: 1.3;
}

.catalog-card > p {
    margin: 0;
    color: var(--text-soft);
    font-size: 13px;
    line-height: 1.55;
}

.catalog-institution {
    display: flex;
    align-items: flex-start;
    gap: 5px;
    margin-top: 2px;
    color: var(--text-soft);
    font-size: 11.5px;
    line-height: 1.45;
}

.catalog-institution svg {
    flex: 0 0 auto;
    margin-top: 1px;
}

.catalog-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 2px;
}

.catalog-tools span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    border-radius: 12px;
    padding: 3px 9px;
    color: var(--green-dark);
    background: var(--green-pale);
    font-size: 10.5px;
}

.catalog-card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.catalog-card-actions a {
    display: inline-flex;
    min-height: 36px;
    align-items: center;
    justify-content: center;
    border: 1.5px solid var(--purple);
    border-radius: 9px;
    padding: 8px 14px;
    color: #fff;
    background: var(--purple);
    font-size: 12.5px;
    font-weight: 700;
    text-decoration: none;
}

.catalog-card-actions a:hover {
    border-color: var(--purple-mid);
    color: #fff;
    background: var(--purple-mid);
}

.catalog-empty {
    grid-column: 1 / -1;
    padding: 50px 20px;
    color: var(--text-soft);
    text-align: center;
}

.catalog-empty h2 {
    margin: 0;
    font-size: 18px;
}

@media (max-width: 1000px) {
    .catalog-layout {
        grid-template-columns: 1fr;
    }

    .catalog-sidebar {
        position: static;
    }
}

@media (max-width: 820px) {
    .catalog-heading {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 560px) {
    .catalog-heading h1 {
        font-size: 26px;
    }

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