/* ======================================
   aniXiv Index / Top Page Styles
   ====================================== */

.home-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 24px;
    align-items: start;
}

.home-main {
    display: flex;
    flex-direction: column;
    gap: 18px;
    min-width: 0;
}

.home-lead {
    padding-bottom: 12px;
    border-bottom: 2px solid var(--text-primary);
}

.home-lead__title {
    margin-top: 4px;
    font-family: var(--font-serif);
    font-size: 1.45rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--text-primary);
}

.home-lead__text {
    font-size: 0.86rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Featured random article */
.featured-article {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    padding: 16px;
}

.featured-article__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-subtle);
}

.featured-article__title {
    margin-top: 4px;
    font-family: var(--font-serif);
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--text-primary);
}

.featured-article__reload {
    flex: 0 0 auto;
    min-height: 32px;
    padding: 5px 10px;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font: inherit;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.featured-article__reload:hover,
.featured-article__reload:focus {
    background: var(--bg-hover);
    border-color: var(--border-active);
    color: var(--text-primary);
}

.featured-article__reload:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.featured-article__body {
    padding-top: 12px;
}

.featured-article__link {
    display: inline-block;
    color: var(--text-primary);
    font-family: var(--font-serif);
    font-size: 1.08rem;
    font-weight: 700;
    line-height: 1.5;
    text-decoration: none;
}

.featured-article__link:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.featured-article__abstract {
    margin-top: 8px;
    color: var(--text-secondary);
    font-size: 0.86rem;
    line-height: 1.7;
}

.featured-article__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    color: var(--text-muted);
    font-size: 0.75rem;
    line-height: 1.5;
}

.featured-article__author {
    color: var(--text-secondary);
    font-weight: 600;
}

.featured-article__id {
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.featured-article__loading,
.featured-article__empty {
    color: var(--text-muted);
    font-size: 0.84rem;
}

/* Search */
.search-panel {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    padding: 14px;
}

.search-panel__header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 10px;
}

.search-panel__title {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.search-panel__status {
    color: var(--text-muted);
    font-size: 0.75rem;
    white-space: nowrap;
}

.search-bar {
    max-width: none;
    margin: 0;
    position: relative;
}

.search-bar__input {
    width: 100%;
    min-height: 42px;
    padding: 10px 14px 10px 42px;
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: 0.9rem;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.search-bar__input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-bar__input::placeholder {
    color: var(--text-muted);
}

.search-bar__icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--text-muted);
}

.search-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.search-control {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.78rem;
}

.search-control__label {
    color: var(--text-muted);
    font-weight: 600;
}

.search-control__select {
    min-height: 32px;
    padding: 5px 28px 5px 9px;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    font: inherit;
}

.search-control__select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Feed */
.feed-section {
    margin: 0;
    padding: 0;
}

.feed-section__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 8px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-subtle);
}

.feed-section__title {
    font-size: 1rem;
}

.feed-section__count {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    white-space: nowrap;
}

.feed-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-primary);
}

.feed-loading,
.feed-end {
    padding: 12px 4px 0;
    color: var(--text-muted);
    font-size: 0.78rem;
}

.feed-sentinel {
    height: 1px;
}

.feed-card {
    display: block;
    padding: 13px 16px 14px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-subtle);
    text-decoration: none;
    color: inherit;
    transition: background var(--transition-fast), border-color var(--transition-fast);
}

.feed-card:last-child {
    border-bottom: none;
}

.feed-card:hover {
    background: var(--bg-hover);
}

.feed-card__topline {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 32px;
    gap: 10px;
    align-items: start;
    margin-bottom: 5px;
}

.feed-card__title {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.45;
}

.feed-card__title-link {
    display: block;
    text-decoration: none;
}

.feed-card__title-link:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.feed-card__favorite {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.feed-card__favorite:hover,
.feed-card__favorite:focus {
    background: var(--bg-hover);
    border-color: var(--border-active);
    color: var(--text-primary);
}

.feed-card__favorite:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.feed-card__favorite--active {
    border-color: var(--border-active);
    color: var(--accent-primary);
}

.feed-card__favorite:disabled {
    cursor: wait;
    opacity: 0.65;
}

.feed-card__abstract {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.55;
    margin-bottom: 9px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.feed-card__meta {
    font-size: 0.73rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    line-height: 1.5;
}

.feed-card__id {
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

.feed-card__author {
    font-weight: 600;
    color: var(--text-secondary);
}

.feed-card__tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.feed-card__tag {
    color: var(--text-muted);
    font-style: italic;
}

.feed-error {
    padding: 18px;
    color: var(--text-muted);
    font-size: 0.86rem;
}

.empty-state {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    padding: 22px;
}

.empty-state__text {
    color: var(--text-muted);
    font-size: 0.86rem;
}

/* Side panels */
.home-side {
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: sticky;
    top: 74px;
}

.home-panel {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    padding: 14px;
}

.home-panel__title {
    padding-bottom: 7px;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-primary);
    font-family: var(--font-serif);
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.4;
}

.home-panel__text {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-top: 10px;
    line-height: 1.6;
}

.home-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 12px;
}

.home-panel__links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 12px;
    margin-top: 12px;
    font-size: 0.82rem;
}

.home-actions .btn {
    justify-content: center;
    width: 100%;
}

.home-actions .btn--primary {
    background: var(--text-primary);
    color: var(--bg-primary);
    box-shadow: none;
}

.home-actions .btn--primary:hover {
    box-shadow: none;
}

.analytics-panel {
    display: grid;
    gap: 14px;
    margin-top: 12px;
}

.analytics-block {
    display: grid;
    gap: 8px;
}

.analytics-block__label {
    color: var(--text-muted);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.analytics-list {
    display: grid;
    gap: 7px;
}

.analytics-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-subtle);
}

.analytics-item:last-child {
    border-bottom: none;
}

.analytics-item__label {
    min-width: 0;
    color: var(--text-primary);
    font-size: 0.82rem;
    line-height: 1.45;
    word-break: break-word;
}

.analytics-item__count {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.76rem;
    white-space: nowrap;
}

.analytics-empty {
    color: var(--text-muted);
    font-size: 0.8rem;
    line-height: 1.6;
}

.archive-stats {
    display: flex;
    flex-direction: column;
    margin-top: 8px;
}

.archive-stats__row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 0.8rem;
}

.archive-stats__row:last-child {
    border-bottom: none;
}

.archive-stats dt {
    color: var(--text-muted);
    font-weight: 600;
}

.archive-stats dd {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    text-align: right;
}

/* Author profile */
.author-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 170px;
    gap: 24px;
    align-items: stretch;
    padding: 28px;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    background:
        linear-gradient(135deg, rgba(16, 185, 129, 0.12), transparent 45%),
        var(--bg-primary);
}

.author-hero__name {
    margin: 8px 0 10px;
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    line-height: 1.25;
    color: var(--text-primary);
}

.author-hero__bio {
    max-width: 70ch;
    color: var(--text-secondary);
    line-height: 1.8;
    white-space: pre-wrap;
}

.author-hero__links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
}

.author-hero__link {
    display: inline-flex;
    align-items: center;
    padding: 7px 11px;
    border: 1px solid var(--border-subtle);
    border-radius: 999px;
    background: var(--bg-elevated);
    font-size: 0.84rem;
    font-weight: 600;
}

.author-hero__stats {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    padding: 20px;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: var(--bg-elevated);
}

.author-hero__stat-label {
    color: var(--text-muted);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.author-hero__stats strong {
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 2rem;
}

.author-articles {
    margin-top: 24px;
}

/* Footer */
.site-footer {
    text-align: center;
    padding: 20px 24px;
    border-top: 1px solid var(--border-subtle);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.site-footer__links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 8px;
}

/* Responsive */
@media (max-width: 1023px) {
    .home-layout {
        grid-template-columns: minmax(0, 1fr) 260px;
        gap: 18px;
    }

    .home-page {
        padding: 20px;
    }

    .home-actions {
        flex-direction: column;
    }

    .author-hero {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .home-layout {
        grid-template-columns: 1fr;
    }

    .home-side {
        position: static;
    }

    .home-actions {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .home-actions .btn {
        width: auto;
    }
}

@media (max-width: 640px) {
    .app-main {
        padding: 20px 16px;
    }

    .home-lead {
        padding-bottom: 10px;
    }

    .home-lead__title {
        font-size: 1.25rem;
    }

    .search-panel__header {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .featured-article__header {
        flex-direction: column;
        gap: 10px;
    }

    .featured-article__reload {
        align-self: flex-start;
    }

    .search-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .search-control {
        justify-content: flex-start;
        flex-wrap: wrap;
    }

    .search-control__select {
        min-width: 150px;
    }

    .home-actions {
        flex-direction: column;
    }

    .home-actions .btn {
        width: 100%;
    }

    .feed-card__meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
}