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var(--color-border);border-radius:var(--border-radius-sm);color:var(--color-text-primary);cursor:pointer;transition:all var(--transition-fast);position:relative;overflow:hidden;width:28px;height:28px;min-width:28px}.rc-feed-header__action-btn:hover{background:var(--color-bg-tertiary);border-color:var(--color-border-default);color:var(--color-text-primary);transform:translateY(-1px)}.rc-feed-header__action-btn:active{transform:scale(.95) translateY(0)}.rc-feed-header__action-btn:focus-visible{outline:2px solid var(--color-brand);outline-offset:2px}.rc-feed-header__action-btn span{display:none}.rc-feed-header__action-btn--destructive{color:var(--color-error)}.rc-feed-header__action-btn--destructive:hover{background:var(--color-error);color:var(--color-foreground)}.rc-session-item{position:relative;display:flex;flex-direction:column;gap:var(--space-1);padding:var(--space-2) var(--space-3);background:var(--color-bg-tertiary);border:1px solid 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var(--transition-fast)}.rc-session-item__action-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-1);min-width:var(--size-action-btn, 2rem);height:var(--size-action-btn, 2rem);padding:var(--space-1);background:transparent;border:1px solid var(--color-border);border-radius:var(--border-radius-sm);color:var(--color-text-primary);cursor:pointer;transition:all var(--transition-fast);position:relative;overflow:hidden;width:26px;height:26px;min-width:26px}.rc-session-item__action-btn:hover{background:var(--color-bg-tertiary);border-color:var(--color-border-default);color:var(--color-text-primary);transform:translateY(-1px)}.rc-session-item__action-btn:active{transform:scale(.95) translateY(0)}.rc-session-item__action-btn:focus-visible{outline:2px solid var(--color-brand);outline-offset:2px}.rc-session-item__action-btn span{display:none}.rc-session-item__action-btn--destructive{color:var(--color-error)}.rc-session-item__action-btn--destructive:hover{background:var(--color-error);color:var(--color-foreground)}@media (hover: hover){.rc-session-item:hover .rc-session-item__actions{display:flex;opacity:1}}@media (hover: none){.rc-session-item .rc-session-item__actions{display:flex;opacity:1}}.rc-session-item--status-complete{border-left:3px solid var(--color-status-complete);background:linear-gradient(to right,var(--color-status-complete-bg),transparent)}.rc-session-item--status-in-progress{border-left:3px solid var(--color-status-inprogress);background:linear-gradient(to right,var(--color-status-inprogress-bg),transparent)}.rc-session-item--status-pending{border-left:3px solid var(--color-status-pending);background:linear-gradient(to right,var(--color-status-pending-bg),transparent)}.rc-session-item--status-failed{border-left:3px solid var(--color-status-failed);background:linear-gradient(to 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.rc-research-meta{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.25rem;font-size:.6875rem;color:var(--color-text-tertiary, #9ca3af)}.rc-research-bubble .rc-research-meta__item{display:inline-flex;align-items:center;gap:.2rem}.rc-research-bubble .rc-research-meta__item i{font-size:.625rem}.rc-research-bubble .rc-research-meta__item--bookmarks{color:var(--color-primary, #3b82f6)}.rc-session-header__actions{display:flex;align-items:center;gap:.375rem}.rc-research-share-btn{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;padding:0;border:none;border-radius:var(--border-radius-sm, 4px);background:transparent;color:var(--color-text-tertiary, #9ca3af);cursor:pointer;transition:color .15s,background .15s;font-size:.6875rem}.rc-research-share-btn:hover:not(:disabled){color:var(--color-primary, #3b82f6);background:var(--color-surface-hover, rgba(59, 130, 246, .08))}.rc-research-share-btn:disabled{opacity:.4;cursor:not-allowed}.rc-bookmark-card{padding:.5rem .625rem;margin-bottom:.375rem;background:var(--color-surface-elevated, #f9fafb);border-radius:var(--border-radius-md, 8px);border:1px solid var(--color-border-subtle, #e5e7eb)}.rc-bookmark-card__header{display:flex;align-items:center;gap:.375rem;margin-bottom:.25rem}.rc-bookmark-card__header>i{color:var(--color-primary, #3b82f6);font-size:.75rem;flex-shrink:0}.rc-bookmark-card__title{flex:1;font-size:.8125rem;font-weight:600;color:var(--color-text-primary, #111827);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.rc-bookmark-card__delete{flex-shrink:0;background:none;border:none;color:var(--color-text-tertiary, #9ca3af);cursor:pointer;padding:.125rem;font-size:.625rem;opacity:0;transition:opacity .15s}.rc-bookmark-card:hover .rc-bookmark-card__delete{opacity:1}.rc-bookmark-card__content{font-size:.75rem;color:var(--color-text-secondary, #6b7280);line-height:1.4;margin-bottom:.25rem}.rc-bookmark-card__note{font-size:.6875rem;color:var(--color-text-tertiary, #9ca3af);font-style:italic;margin-bottom:.125rem}.rc-bookmark-card__time{font-size:.625rem;color:var(--color-text-tertiary, #9ca3af)}.rc-bookmarks-section .rc-feed-category-toggle{font-weight:600}