html {
    scroll-behavior: smooth;
    scroll-padding-top: 72px;
}

.catalog-viewport {
    min-height: 100vh;
    padding: 96px 20px 72px;
    background: #fff;
    color: #1d1d1f;
}

.catalog-inner {
    max-width: 1100px;
    margin: 0 auto;
    text-align: left;
}

.catalog-viewport h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 600;
    margin-bottom: 8px;
}

.catalog-lede {
    color: #6e6e73;
    font-size: 18px;
    margin-bottom: 24px;
    max-width: 720px;
}

.catalog-controls {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, minmax(120px, 1fr));
    gap: 10px;
    margin-bottom: 10px;
}

.catalog-controls-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(120px, 1fr)) auto;
    gap: 10px;
    margin-bottom: 16px;
    align-items: center;
}

.catalog-controls input,
.catalog-controls select,
.catalog-controls-row select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d2d2d7;
    border-radius: 10px;
    font-size: 14px;
    font-family: inherit;
    background: #fff;
    color: #1d1d1f;
}

.catalog-clear {
    padding: 10px 16px;
    border: 1px solid #1d1d1f;
    background: #fff;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}

.catalog-clear:hover,
.catalog-clear:focus-visible {
    background: #1d1d1f;
    color: #fff;
}

.catalog-count {
    font-size: 14px;
    color: #6e6e73;
    margin-bottom: 16px;
}

.catalog-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.catalog-card {
    scroll-margin-top: 88px;
    border: 1px solid #e8e8ed;
    background: #f5f5f7;
    border-radius: 14px;
    padding: 18px 20px;
}

.catalog-card h3 {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.35;
    margin-bottom: 6px;
}

.catalog-card .meta {
    font-size: 14px;
    color: #6e6e73;
    margin-bottom: 8px;
}

.catalog-card .authors {
    font-size: 15px;
    color: #424245;
    margin-bottom: 10px;
}

.catalog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
}

.catalog-tags span {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 3px 8px;
    border-radius: 999px;
    background: #fff;
    border: 1px solid #d2d2d7;
    color: #1d1d1f;
}

.catalog-card a {
    color: #0071e3;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
}

.catalog-card a:hover {
    text-decoration: underline;
}

.catalog-note {
    font-size: 13px;
    color: #6e6e73;
    margin-top: 8px;
}

.catalog-empty {
    color: #6e6e73;
    font-size: 16px;
    padding: 24px 0;
}

@media (max-width: 800px) {
    .catalog-controls,
    .catalog-controls-row {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 520px) {
    .catalog-controls,
    .catalog-controls-row {
        grid-template-columns: 1fr;
    }
}