.activity-feed-container{display:flex;flex-direction:column;gap:var(--space-6);height:100%;transition:opacity .6s var(--ease-spring),filter .6s var(--ease-spring)}.activity-feed-container.is-calming{opacity:.3;filter:blur(8px);pointer-events:none}.activity-feed-header{display:flex;align-items:center;justify-content:space-between;padding-bottom:var(--space-6);border-bottom:1px solid var(--border-subtle)}.activity-feed-header__main{display:flex;align-items:center;gap:var(--space-4)}.activity-feed-header__icon{color:var(--accent-action);opacity:.8}.activity-feed-header__titles h2{font-size:var(--text-md);font-weight:700;color:var(--ink-primary);margin:0}.activity-feed-header__titles p{font-size:var(--text-micro);color:var(--ink-secondary);margin:2px 0 0;letter-spacing:.02em}.btn-calm{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);border-radius:var(--radius-full);background:var(--surface-sunken);color:var(--ink-secondary);font-size:var(--text-xs);font-weight:600;border:1px solid var(--border-subtle);transition-property:opacity,transform,background-color,border-color,color,box-shadow,filter;transition-duration:var(--transition-micro)}.btn-calm:hover{background:var(--accent-water-bg);color:var(--accent-water);border-color:var(--accent-water);transform:translateY(-1px)}.activity-stream{display:flex;flex-direction:column;gap:var(--space-8)}.activity-group{display:flex;flex-direction:column;gap:var(--space-4)}.activity-group-title{font-size:var(--text-micro);font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-ghost);position:sticky;top:0;background:var(--surface-primary);padding:var(--space-2) 0;z-index:10}.activity-group-items{display:flex;flex-direction:column;gap:var(--space-3)}.activity-card{display:flex;gap:var(--space-4);padding:var(--space-4);border-radius:var(--radius-lg);background:var(--surface-elevated);border:1px solid transparent;transition-property:opacity,transform,background-color,border-color,color,box-shadow,filter;transition-duration:var(--transition-state)}.activity-card:hover{background:var(--surface-primary);border-color:var(--border-subtle);box-shadow:var(--shadow-sm);transform:translate(4px)}.activity-card__icon-outer{flex-shrink:0;padding-top:2px}.activity-card__icon-wrap{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:var(--radius-md);background:var(--surface-primary);box-shadow:var(--shadow-sm);border:1px solid var(--border-subtle)}.activity-card__content{flex:1;min-width:0}.activity-card__header{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:4px}.activity-card__user{font-size:var(--text-xs);font-weight:700;color:var(--ink-primary)}.activity-card__time{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-ghost)}.activity-card__body{display:flex;align-items:center;gap:var(--space-2);font-size:var(--text-sm);color:var(--ink-secondary)}.activity-card__type{text-transform:capitalize;font-weight:500}.activity-card__sep{color:var(--border-subtle)}.activity-card__title{font-weight:600;color:var(--ink-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.activity-card__details{margin-top:var(--space-3);padding-left:var(--space-4);border-left:2px solid var(--border-subtle)}.activity-card__snippet{font-size:var(--text-xs);font-style:italic;color:var(--ink-secondary);line-height:1.6;margin:0}.activity-card__mention{display:inline-block;margin-top:var(--space-2);font-size:var(--text-micro);font-weight:700;color:var(--accent-urgent-fg);background:var(--accent-urgent-bg);padding:2px 6px;border-radius:var(--radius-sm)}.activity-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-16) var(--space-8);text-align:center}.activity-empty__visual{position:relative;width:100px;height:100px;display:flex;align-items:center;justify-content:center;margin-bottom:var(--space-6)}.activity-empty__icon{color:var(--accent-water);z-index:2;filter:drop-shadow(0 0 8px var(--accent-water-bg))}.activity-empty__ripple{position:absolute;width:100%;height:100%;border-radius:50%;border:2px solid var(--accent-water-bg);animation:ripple 3s ease-out infinite}@keyframes ripple{0%{transform:scale(.5);opacity:1}to{transform:scale(1.5);opacity:0}}.activity-empty p{font-size:var(--text-lg);font-weight:300;letter-spacing:-.01em;color:var(--ink-primary);margin:0 0 var(--space-2) 0}.activity-empty span{font-size:var(--text-sm);color:var(--ink-secondary);max-width:240px;line-height:1.5}.activity-feed-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-16) 0;gap:var(--space-4);color:var(--ink-secondary)}.activity-feed-loading p{font-size:var(--text-xs);font-weight:600;letter-spacing:.05em;text-transform:uppercase}.animate-spin{animation:spin 2s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}