.updates-page {
    min-height: 70vh;
    padding-top: 0;
    margin-top: 0;
}

.updates-shell {
    display: grid;
    grid-template-columns: minmax(190px, 240px) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
    margin-bottom: 72px;
}

.updates-rail {
    position: sticky;
    top: 94px;
    display: grid;
    gap: 8px;
    max-height: calc(100vh - 120px);
    overflow: auto;
    padding-right: 4px;
}

.updates-category-button {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    border: 1px solid var(--page-rule);
    border-radius: 6px;
    background: transparent;
    color: var(--page-muted);
    font: 600 0.82rem/1.2 "Inter", system-ui, sans-serif;
    letter-spacing: 0;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
    transition: border-color 140ms ease, background-color 140ms ease, color 140ms ease;
}

.updates-category-button:hover,
.updates-category-button:focus-visible {
    border-color: var(--page-accent);
    color: var(--page-accent);
    background: color-mix(in srgb, var(--page-accent) 7%, transparent);
}

.updates-category-button.is-active {
    border-color: var(--page-navy);
    background: var(--page-navy);
    color: var(--page-paper);
}

[data-theme="dark"] .updates-category-button.is-active {
    color: #151719;
}

.updates-category-count {
    min-width: 28px;
    padding: 3px 7px;
    border-radius: 999px;
    background: color-mix(in srgb, currentColor 12%, transparent);
    color: inherit;
    font-size: 0.72rem;
    text-align: center;
}

.updates-content {
    min-width: 0;
    display: grid;
    gap: 52px;
}

.updates-category-section {
    position: relative;
    scroll-margin-top: 92px;
    padding-top: 24px;
    border-top: 3px solid var(--page-navy);
}

.updates-category-section:first-child {
    padding-top: 0;
    border-top: 0;
}

.updates-category-heading {
    position: relative;
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 16px;
    min-height: 58px;
    margin: 0 0 20px;
    padding: 12px 16px 12px 20px;
    border-bottom: 1px solid var(--page-rule);
    background: color-mix(in srgb, var(--page-accent) 5%, var(--page-paper));
}

.updates-category-heading::before {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 5px;
    background: var(--page-accent);
    content: '';
}

.updates-category-heading h2 {
    margin: 0;
    font-family: var(--page-serif);
    font-size: clamp(1.55rem, 3vw, 2.15rem);
    font-weight: 600;
    line-height: 1.12;
}

.updates-category-section:first-child .updates-category-heading {
    border-top: 3px solid var(--page-navy);
}

.updates-category-heading span {
    flex: 0 0 auto;
    color: var(--page-muted);
    font: 600 0.78rem/1 "Inter", system-ui, sans-serif;
}

.updates-category-open,
.updates-back-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    padding: 7px 11px;
    border: 1px solid var(--page-rule);
    border-radius: 999px;
    color: var(--page-ink);
    font: 600 0.8rem/1 "Inter", system-ui, sans-serif;
    text-decoration: none;
}

.updates-category-open {
    gap: 7px;
    margin-left: auto;
    border-color: var(--page-accent);
    color: var(--page-accent);
    white-space: nowrap;
}

.updates-category-open svg {
    width: 15px;
    height: 15px;
    flex: 0 0 15px;
}

.updates-category-open:hover,
.updates-back-link:hover {
    border-color: var(--page-accent);
    color: var(--page-accent);
}

.updates-list {
    display: grid;
    gap: 14px;
}

.update-card {
    min-width: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(200px, 340px);
    gap: 24px;
    align-items: stretch;
    min-height: 238px;
    padding: 16px;
    border: 1px solid var(--page-rule);
    border-radius: 8px;
    background: color-mix(in srgb, var(--page-paper) 82%, #ffffff 18%);
    color: var(--page-ink);
    box-shadow: none;
    transition: border-color 140ms ease, background-color 140ms ease, transform 140ms ease;
}

.update-card:hover {
    border-color: var(--page-accent);
    background: color-mix(in srgb, var(--page-paper) 74%, #ffffff 26%);
    transform: translateY(-1px);
}

[data-theme="dark"] .update-card {
    background: color-mix(in srgb, var(--page-paper-deep) 88%, #ffffff 4%);
}

[data-theme="dark"] .update-card:hover {
    background: color-mix(in srgb, var(--page-paper-deep) 82%, #ffffff 8%);
}

.update-card-main {
    min-width: 0;
    display: flex;
    flex-direction: column;
    padding: 2px 0;
}

.update-title {
    margin: 0 0 12px;
    color: var(--page-ink);
    font-family: "Inter", system-ui, sans-serif;
    font-size: clamp(1.16rem, 2.1vw, 1.65rem);
    font-weight: 750;
    line-height: 1.18;
    letter-spacing: 0;
    overflow-wrap: break-word;
}

.update-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 9px 12px;
    margin-bottom: 14px;
    color: var(--page-muted);
    font: 500 0.82rem/1.2 "Inter", system-ui, sans-serif;
}

.update-author {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
}

.update-author .author-avatar {
    width: 22px;
    height: 22px;
    flex: 0 0 22px;
    border: 1px solid var(--page-rule);
    border-radius: 50%;
    background: var(--blog-card-avatar-bg, #f8fbfd);
    object-fit: cover;
}

.update-excerpt {
    display: -webkit-box;
    margin: 0 0 14px;
    overflow: hidden;
    color: var(--page-muted);
    font-size: 0.9rem;
    line-height: 1.55;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.update-source-link {
    width: fit-content;
    margin-bottom: 14px;
    color: #2d72bd;
    font: 700 0.8rem/1.2 "Inter", system-ui, sans-serif;
    text-decoration: none;
}

.update-source-link:hover {
    color: var(--page-accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.update-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 12px;
    margin: 0 0 18px;
}

.update-tag {
    color: var(--page-ink);
    font: 650 0.76rem/1.2 "Inter", system-ui, sans-serif;
    white-space: nowrap;
}

.update-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-top: auto;
}

.update-action-pill,
.update-detail-button {
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 11px;
    border: 1px solid var(--page-rule);
    border-radius: 999px;
    background: color-mix(in srgb, var(--page-paper-deep) 72%, transparent);
    color: var(--page-ink);
    font: 600 0.8rem/1 "Inter", system-ui, sans-serif;
    text-decoration: none;
}

.update-action-pill svg,
.update-detail-button svg {
    width: 16px;
    height: 16px;
    flex: 0 0 16px;
}

.update-action-spacer {
    flex: 1 1 auto;
}

.update-detail-button {
    width: 38px;
    height: 38px;
    justify-content: center;
    padding: 0;
    border-color: #a8253f;
    background: #a8253f;
    color: #ffffff;
}

.update-detail-button:hover {
    border-color: var(--page-accent);
    background: var(--page-accent);
    color: #ffffff;
}

.update-cover {
    min-width: 0;
    min-height: 0;
    display: flex;
    align-items: stretch;
}

.update-cover-frame {
    width: 100%;
    min-height: 194px;
    overflow: hidden;
    border: 1px solid var(--page-rule);
    border-radius: 7px;
    background: var(--blog-card-image-bg, #daddd9);
}

.update-cover-frame img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    background: var(--blog-card-avatar-bg, #f8fbfd);
}

.update-cover-frame img.is-contain {
    object-fit: contain;
}

.updates-empty {
    padding: 28px;
    border: 1px solid var(--page-rule);
    border-radius: 8px;
    color: var(--page-muted);
}

@media (max-width: 960px) {
    .updates-shell {
        grid-template-columns: 1fr;
    }

    .updates-rail {
        position: sticky;
        top: 70px;
        z-index: 5;
        grid-auto-flow: column;
        grid-auto-columns: max-content;
        overflow-x: auto;
        max-height: none;
        padding: 10px 0;
        background: color-mix(in srgb, var(--page-paper) 94%, transparent);
        backdrop-filter: blur(10px);
    }

    .updates-category-button {
        min-width: 150px;
    }
}

@media (max-width: 760px) {
    .update-card {
        grid-template-columns: 1fr;
        gap: 16px;
        min-height: 0;
    }

    .update-cover {
        order: -1;
    }

    .update-cover-frame {
        aspect-ratio: 16 / 9;
        min-height: 0;
    }

    .update-tags {
        gap: 7px 10px;
    }
}

@media (max-width: 520px) {
    .updates-shell {
        margin-bottom: 48px;
    }

    .updates-category-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 6px;
    }

    .updates-category-open {
        margin-left: 0;
    }

    .update-card {
        padding: 12px;
    }

    .update-actions {
        gap: 8px;
    }

    .update-action-pill {
        max-width: 100%;
    }

    .update-action-spacer {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .update-card,
    .updates-category-button {
        transition: none;
    }

    .update-card:hover {
        transform: none;
    }
}