/* Activity Feed v1.0 — shared rs-card interaction; local feed layout only. */
.rs-activity{max-width:1100px;margin:0 auto;padding:16px 20px 32px;color:var(--rs-text-primary,inherit)}
.rs-activity__head{position:relative;overflow:hidden;padding:22px 26px 24px;border:1px solid var(--rs-border,#34404b);border-radius:16px;background:linear-gradient(110deg,var(--rs-surface,#192129),var(--rs-surface-secondary,#141d24));margin-bottom:12px}
.rs-activity__eyebrow{display:block;margin-bottom:10px;letter-spacing:.13em;text-transform:uppercase;font-size:.67rem;font-weight:750;color:var(--rs-text-secondary,#a0acb8)}
.rs-activity__head h1{margin:0 0 7px;font-size:clamp(1.65rem,3vw,2.25rem);line-height:1.15}
.rs-activity__head p{margin:0;max-width:62ch;color:var(--rs-text-secondary,#a0acb8);font-size:.92rem;line-height:1.55}
.rs-activity__tabs{display:flex;align-items:stretch;gap:22px;overflow-x:auto;border-bottom:1px solid var(--rs-border,#34404b);margin:0 0 20px;scrollbar-width:thin}
.rs-activity__tabs a{position:relative;display:flex;align-items:center;min-height:45px;padding:10px 0 12px;flex-shrink:0;color:var(--rs-text-secondary,#a0acb8);text-decoration:none;font-weight:650;font-size:.88rem;white-space:nowrap}
.rs-activity__tabs a:hover,.rs-activity__tabs a[aria-current=page]{color:var(--rs-text-primary,#e5e7eb)}
.rs-activity__tabs a[aria-current=page]:after{content:'';position:absolute;bottom:0;left:0;right:0;height:2px;background:var(--rs-accent,#83bce8)}
.rs-activity__list{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.rs-activity__item{display:grid;grid-template-columns:108px minmax(0,1fr);gap:18px;align-items:start;min-width:0;padding:13px 15px}
.rs-activity__cover{display:block;width:108px;min-width:0;text-decoration:none;align-self:start}
.rs-activity__cover img{display:block;width:100%;height:auto;max-width:100%;object-fit:contain;border-radius:7px;background:transparent}
.rs-activity__content{min-width:0;padding:1px 0}
.rs-activity__topline{display:flex;justify-content:space-between;align-items:center;gap:12px;min-width:0;padding-bottom:8px;margin-bottom:9px;border-bottom:1px solid var(--rs-border,#34404b)}
.rs-activity__actor{display:flex;align-items:center;gap:10px;min-width:0}
.rs-activity__avatar{display:block;width:34px;height:34px;flex:0 0 34px;object-fit:cover;border-radius:50%}
.rs-activity__user,.rs-activity__source{font-weight:700;overflow-wrap:anywhere}
.rs-activity__source{color:var(--rs-text-secondary,#a0acb8);font-size:.84rem}
.rs-activity__topline time{flex-shrink:0;color:var(--rs-text-secondary,#a0acb8);font-size:.8rem;white-space:nowrap}
.rs-activity__action{display:flex;align-items:center;flex-wrap:wrap;gap:8px;color:var(--rs-text-secondary,#a0acb8);font-size:.9rem;line-height:1.45;margin-bottom:6px}
.rs-activity__rating{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border:1px solid var(--rs-border,#34404b);border-radius:6px;color:var(--rs-text-primary,#e5e7eb);font-weight:750;font-variant-numeric:tabular-nums}
.rs-activity__rating-star{color:#f4a340}
.rs-activity__book{display:block;font-size:1.04rem;font-weight:700;line-height:1.4;color:var(--rs-link,#91c8f5);overflow-wrap:anywhere;text-decoration:none}
.rs-activity__book:hover{text-decoration:underline}
.rs-activity__empty{padding:36px 16px;text-align:center;color:var(--rs-text-secondary,#a0acb8)}
.rs-activity__pages{display:flex;justify-content:center;align-items:center;gap:16px;margin-top:25px}
.rs-activity__pages a{padding:8px 12px;border:1px solid var(--rs-border,#34404b);border-radius:7px;color:inherit;text-decoration:none}
.rs-activity a:focus-visible{outline:2px solid var(--rs-accent,#83bce8);outline-offset:3px}
@media(max-width:600px){.rs-activity{padding:12px 12px 26px}.rs-activity__head{padding:17px 17px 19px;border-radius:13px}.rs-activity__tabs{gap:19px}.rs-activity__tabs a{font-size:.82rem}.rs-activity__item{grid-template-columns:76px minmax(0,1fr);gap:12px;padding:11px}.rs-activity__cover{width:76px}.rs-activity__topline{align-items:flex-start;flex-wrap:wrap;gap:6px}.rs-activity__topline time{font-size:.75rem}.rs-activity__book{font-size:.96rem}}

/* Shared rs-card--interactive supplies the hover/focus border and glow. */
.rs-activity__item{position:relative;isolation:isolate}
.rs-activity__stretched-link::after{content:"";position:absolute;inset:0;z-index:1;border-radius:inherit}
.rs-activity__cover,.rs-activity__actor{position:relative;z-index:2}
.rs-activity__cover:focus-visible,.rs-activity__stretched-link:focus-visible{outline:2px solid var(--rs-border-focus,#83bce8);outline-offset:3px}
.rs-activity__book{color:var(--rs-text-primary,#e5e7eb)}
.rs-activity__item:hover .rs-activity__book{text-decoration:underline}
@media(prefers-reduced-motion:reduce){.rs-activity__item{transition:none}}

/* v1.1 — compact book-release-inspired hierarchy, without duplicating shared card interaction. */
.rs-activity__item{grid-template-columns:86px minmax(0,1fr);gap:15px;padding:12px 14px;align-items:start}
.rs-activity__cover{width:86px}
.rs-activity__topline{padding-bottom:5px;margin-bottom:6px}
.rs-activity__avatar{width:28px;height:28px;flex-basis:28px}
.rs-activity__action{margin-bottom:5px;font-size:.82rem}
.rs-activity__series,.rs-activity__authors,.rs-activity__genres{font-size:.82rem;line-height:1.45;color:var(--rs-text-secondary,#a0acb8);overflow-wrap:anywhere}
.rs-activity__series{margin:1px 0 2px}
.rs-activity__series span{white-space:nowrap}
.rs-activity__bookline{display:flex;align-items:baseline;gap:7px;flex-wrap:wrap;margin:0 0 2px}
.rs-activity__book{display:inline;font-size:1rem;line-height:1.35}
.rs-activity__year{font-size:.77rem;color:var(--rs-text-secondary,#a0acb8)}
.rs-activity__genres{margin-top:2px;font-size:.78rem}
@media(max-width:600px){.rs-activity__item{grid-template-columns:68px minmax(0,1fr);gap:10px;padding:10px}.rs-activity__cover{width:68px}.rs-activity__book{font-size:.94rem}.rs-activity__genres{font-size:.74rem}}

/* v1.2 — quiet, quote-inspired metadata group. Semantic div (not blockquote). */
.rs-activity__bookmeta{margin-top:7px;padding:1px 0 2px 12px;border-left:2px solid var(--rs-border,#34404b);min-width:0}
.rs-activity__bookmeta .rs-activity__series{font-size:.79rem;margin:0 0 3px;color:var(--rs-text-secondary,#a0acb8)}
.rs-activity__bookmeta .rs-activity__bookline{margin:0 0 3px}
.rs-activity__bookmeta .rs-activity__authors{font-size:.83rem;line-height:1.4}
.rs-activity__bookmeta .rs-activity__genres{margin-top:7px;font-size:.75rem;line-height:1.4;color:var(--rs-text-muted,var(--rs-text-secondary,#a0acb8));opacity:.78}
@media(max-width:600px){.rs-activity__bookmeta{padding-left:9px}.rs-activity__bookmeta .rs-activity__genres{font-size:.74rem;opacity:.86}}

/* v1.3 — align feed card surface with Book Releases and the shared card tokens.
   Explicit scope protects against older site-wide list/card CSS overriding the component. */
.rs-activity .rs-activity__list > .rs-activity__item {
  background:var(--rs-card-bg,#1c202a);
  border:1px solid var(--rs-card-border,rgba(190,195,197,.16));
  border-radius:var(--rs-radius-lg,12px);
  overflow:visible;
  transition:background-color var(--rs-transition-normal,180ms),border-color var(--rs-transition-normal,180ms),box-shadow var(--rs-transition-normal,180ms);
}
@media (hover:hover) {
  .rs-activity .rs-activity__list > .rs-activity__item:hover {
    background:var(--rs-card-bg-hover,#252a34);
    border-color:var(--rs-card-border-hover,#536579);
    box-shadow:none;
  }
}
.rs-activity .rs-activity__list > .rs-activity__item:focus-within:has(:focus-visible) {
  outline:2px solid var(--rs-border-focus,#7aa7d9);
  outline-offset:2px;
}
@media(prefers-reduced-motion:reduce){
  .rs-activity .rs-activity__list > .rs-activity__item{transition:none}
}

/* v1.4 — review preview, subordinate to book identity. */
.rs-activity__review-score{margin:4px 0 6px;font-size:.82rem}
.rs-activity__review-preview{margin-top:12px;padding-top:10px;border-top:1px solid var(--rs-border,#34404b);font-size:.85rem;line-height:1.55}
.rs-activity__review-excerpt{margin:0 0 7px;color:var(--rs-text-secondary,#a0acb8);overflow-wrap:anywhere}
.rs-activity__review-link{position:relative;z-index:3;display:inline-block;color:var(--rs-link,#91c8f5);font-weight:650;text-decoration:none}
.rs-activity__review-link:hover{text-decoration:underline}

/* v1.4.1 — align review rating with event label; quiet, compact review preview. */
.rs-activity__review-preview{margin-top:9px;padding-top:9px;font-size:.81rem;line-height:1.5}
.rs-activity__review-excerpt{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;line-clamp:3;overflow:hidden;margin:0 0 5px;color:var(--rs-text-secondary,#a0acb8);opacity:.9}
.rs-activity__review-link{font-size:.81rem;font-weight:600;color:var(--rs-text-secondary,#a0acb8)}
.rs-activity__review-link:hover{color:var(--rs-link,#91c8f5)}

/* v1.6.1: Bookshelf Activity-specific spacing and rating consistency. */
.bookshelf-activity .rs-activity__head{padding:20px 24px;margin-bottom:14px}
.bookshelf-activity .rs-activity__head h2{margin:0 0 7px;font-size:1.55rem;line-height:1.25}
.bookshelf-activity .rs-activity__head p{margin:0;color:var(--rs-text-secondary,#a0acb8);font-size:.9rem}
.bookshelf-activity .rs-activity__rating-star{color:#f4a340}
.bookshelf-activity .rs-activity__pagination{display:flex;justify-content:center;margin:24px 0 16px}
@media(max-width:600px){.bookshelf-activity .rs-activity__head{padding:17px 18px}.bookshelf-activity .rs-activity__head h2{font-size:1.35rem}}