.feed-subheader-wrapper{z-index:40;-webkit-backdrop-filter:blur(12px);background-color:color-mix(in srgb, var(--bg-body) 70%, transparent);border-bottom:1px solid var(--border);margin-top:-16px;margin-bottom:24px;padding-top:12px;padding-bottom:12px;transition:background-color .3s;position:sticky;top:0}@media (max-width:768px){.feed-subheader-wrapper{margin-top:-12px}}.feed-subheader-wrapper:hover,.feed-subheader-wrapper:focus-within{background-color:var(--bg-body)}.feed-subheader-inner{justify-content:space-between;align-items:center;gap:16px;width:100%;max-width:1000px;margin:0 auto;display:flex}.feed-subheader-left{align-items:center;transition:opacity .2s,width .2s;display:flex}.feed-sh-link{color:var(--text-primary);background-color:var(--bg-card);border:1px solid var(--border);border-radius:20px;align-items:center;gap:6px;padding:6px 12px;font-size:13px;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.feed-sh-link:hover{background-color:var(--bg-hover);border-color:var(--accent)}.feed-sh-link svg{color:var(--text-secondary);transition:color .2s}.feed-sh-link:hover svg{color:var(--accent)}.feed-subheader-right{align-items:center;gap:12px;transition:width .3s cubic-bezier(.4,0,.2,1);display:flex}.feed-sh-search-container{width:200px;transition:width .3s cubic-bezier(.4,0,.2,1);position:relative}.feed-sh-search-container.expanded{width:300px}.feed-sh-search-input-wrapper{align-items:center;display:flex;position:relative}.feed-sh-search-icon{color:var(--text-tertiary);pointer-events:none;position:absolute;left:12px}.feed-sh-search-input{border:1px solid var(--border);background-color:var(--bg-card);width:100%;height:32px;color:var(--text-primary);border-radius:16px;padding:0 16px 0 32px;font-size:13px;transition:all .2s}.feed-sh-search-input:focus{border-color:var(--accent);box-shadow:0 0 0 2px rgba(var(--accent-rgb,0, 100, 255), .1);outline:none}.feed-sh-notif-container{position:relative}.feed-sh-icon-btn{border:1px solid var(--border);background:var(--bg-card);width:32px;height:32px;color:var(--text-secondary);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;transition:all .2s;display:flex}.feed-sh-icon-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.feed-sh-dropdown{background:var(--bg-card);border:1px solid var(--border);z-index:50;border-radius:12px;width:320px;max-height:400px;position:absolute;top:calc(100% + 8px);right:0;overflow-y:auto;box-shadow:0 4px 24px #0000001a}.search-dropdown{width:100%;right:0}.notif-dropdown{width:340px}.feed-sh-dropdown-header{border-bottom:1px solid var(--border);padding:12px 16px}.feed-sh-dropdown-header h3{color:var(--text-primary);margin:0;font-size:14px;font-weight:600}.feed-sh-dropdown-empty{text-align:center;color:var(--text-tertiary);padding:24px;font-size:14px}.feed-sh-result-item,.feed-sh-notif-item{border-bottom:1px solid var(--border-light);align-items:flex-start;gap:12px;padding:12px 16px;text-decoration:none;transition:background .2s;display:flex}.feed-sh-result-item:last-child,.feed-sh-notif-item:last-child{border-bottom:none}.feed-sh-result-item:hover,.feed-sh-notif-item:hover{background:var(--bg-hover)}.feed-sh-result-avatar,.feed-sh-notif-avatar{background:var(--bg-body);width:32px;height:32px;color:var(--text-tertiary);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex;overflow:hidden}.feed-sh-result-avatar img,.feed-sh-notif-avatar img{object-fit:cover;width:100%;height:100%}.feed-sh-result-info,.feed-sh-notif-info{flex:1;min-width:0}.feed-sh-result-title,.feed-sh-notif-title{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;margin-bottom:2px;font-size:14px;font-weight:500;overflow:hidden}.feed-sh-result-subtitle,.feed-sh-notif-subtitle{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.feed-sh-notif-date{color:var(--text-tertiary);margin-top:4px;font-size:11px}.feed-sh-result-arrow{color:var(--text-tertiary);margin-top:2px}@media (max-width:600px){.feed-subheader-inner{padding:0 16px}.feed-sh-search-container{width:40px}.feed-sh-search-input{color:#0000;padding:0}.feed-sh-search-input::placeholder{color:#0000}.feed-subheader-right.search-expanded-mode{flex:1;width:100%}.feed-sh-search-container.expanded{width:100%}.feed-sh-search-container.expanded .feed-sh-search-input{color:var(--text-primary);padding:0 16px 0 32px}.feed-sh-search-container.expanded .feed-sh-search-input::placeholder{color:var(--text-secondary)}.hide-on-mobile{display:none!important}}