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h3{color:var(--text-main);font-size:1.05rem;font-weight:700}.user-status-text{color:var(--text-muted);font-size:.8rem}.chat-messages{background:#edf2f7;flex-direction:column;flex:1;gap:.8rem;padding:1.5rem;display:flex;overflow-y:auto}.empty-state{text-align:center;color:var(--text-muted);max-width:320px;margin:auto}.empty-icon{color:var(--zalo-blue);opacity:.7;margin-bottom:1rem}.empty-icon i{width:54px;height:54px}.empty-state h3{color:var(--text-main);margin-bottom:.4rem;font-size:1.15rem}.message{word-break:break-word;max-width:60%;padding:.75rem 1rem;font-size:.92rem;line-height:1.45;animation:.2s ease-out popIn;position:relative}.message.sent{color:var(--text-main);background:#e5efff;border:1px solid #c2d9ff;border-radius:14px 14px 2px;align-self:flex-end}.message.received{color:var(--text-main);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);background:#fff;border-radius:14px 14px 14px 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.2s}.btn-delete-post:hover{color:var(--danger);background:#ef233c1a}.post-text-content{color:var(--text-main);white-space:pre-wrap;margin-bottom:.8rem;font-size:.96rem;line-height:1.5}.post-image-content{border-radius:var(--radius-sm);width:100%;margin-bottom:.8rem;overflow:hidden}.post-image-content img{object-fit:cover;width:100%;max-height:420px;display:block}.post-stats-bar{border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color);align-items:center;gap:1.5rem;margin-bottom:.8rem;padding:.6rem 0;display:flex}.post-action-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;align-items:center;gap:.4rem;font-size:.88rem;font-weight:600;transition:all .2s;display:inline-flex}.post-action-btn i{width:18px;height:18px}.post-action-btn:hover{color:var(--zalo-blue)}.post-action-btn.liked{color:#ef233c}.post-action-btn.liked i{fill:#ef233c}.post-comments-section{flex-direction:column;gap:.8rem;display:flex}.comments-list{flex-direction:column;gap:.6rem;display:flex}.comment-item{gap:.7rem;font-size:.88rem;display:flex}.comment-body{background:#f1f5f9;border-radius:12px;flex:1;padding:.6rem .9rem}.comment-author{color:var(--text-main);margin-bottom:.2rem;font-size:.85rem;font-weight:700}.comment-text{color:#334155;line-height:1.4}.comment-input-form{gap:.6rem;margin-top:.4rem;display:flex}.comment-input-form input{background:#f1f5f9;border:1px solid #0000;border-radius:18px;flex:1;padding:.6rem .9rem;font-size:.88rem}.comment-input-form input:focus{border-color:var(--zalo-blue);background:#fff}.comment-submit-btn{background:var(--zalo-blue);color:#fff;cursor:pointer;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;display:flex}@keyframes 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#fff;width:84px!important;height:84px!important;font-size:2.2rem!important}.avatar-change-btn{background:var(--zalo-blue);color:#fff;cursor:pointer;width:30px;height:30px;box-shadow:var(--shadow-sm);border:2px solid #fff;border-radius:50%;justify-content:center;align-items:center;transition:transform .2s;display:flex;position:absolute;bottom:0;right:0}.avatar-change-btn:hover{transform:scale(1.1)}.profile-username-label{color:var(--text-main);margin-top:.6rem;font-size:1.05rem;font-weight:700}.profile-form{flex-direction:column;gap:1.1rem;display:flex}.profile-form .form-group{flex-direction:column;gap:.35rem;display:flex}.profile-form label{color:var(--text-main);align-items:center;gap:.4rem;font-size:.85rem;font-weight:600;display:flex}.profile-form label i{width:16px;height:16px;color:var(--zalo-blue)}.profile-form input[type=text],.profile-form input[type=date]{border:1px solid var(--border-color);border-radius:var(--radius-sm);outline:none;width:100%;padding:.65rem .85rem;font-size:.92rem;transition:border-color .2s}.profile-form input:focus{border-color:var(--zalo-blue)}.input-with-action{gap:.5rem;display:flex}.btn-input-action{border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-main);cursor:pointer;white-space:nowrap;background:#e2e8f0;padding:0 .8rem;font-size:.82rem;font-weight:600;transition:background .2s}.btn-input-action:hover{background:#cbd5e1}.profile-modal-footer{border-top:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-top:1.5rem;padding-top:1rem;display:flex}.chat-back-btn,.mobile-tab-back-btn{color:var(--text-main);cursor:pointer;background:0 0;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;margin-right:.2rem;transition:background .2s;display:flex}.chat-back-btn:hover,.mobile-tab-back-btn:hover{color:var(--zalo-blue);background:#edf2f7}.chat-back-btn i,.mobile-tab-back-btn i{width:22px;height:22px}.mobile-pane-header{border-bottom:1px solid var(--border-color);background:#fff;align-items:center;gap:.5rem;padding:.8rem 1rem;display:flex}.mobile-pane-header h3{color:var(--text-main);margin:0;font-size:1.1rem;font-weight:700}@media (width>=769px){.chat-back-btn,.mobile-tab-back-btn,.mobile-pane-header{display:none!important}}@media (width<=768px){body{padding:0}#app{border-radius:0;height:100vh}#chat-screen{position:relative}.zalo-rail{width:58px;padding:.8rem 0}.my-id-badge,.rail-tab .tab-label{display:none}.rail-tab{padding:.9rem 0}.zalo-sub-sidebar{flex:1;width:auto}.zalo-workspace{display:none}#chat-screen.tab-is-feed .zalo-sub-sidebar,#chat-screen.tab-is-notifications .zalo-sub-sidebar{display:none!important}#chat-screen.tab-is-feed .zalo-workspace,#chat-screen.tab-is-notifications .zalo-workspace{z-index:150;background:#fff;width:100%;height:100%;position:absolute;top:0;left:0;display:flex!important}#chat-screen.mobile-chat-active .zalo-rail,#chat-screen.mobile-chat-active .zalo-sub-sidebar{display:none!important}#chat-screen.mobile-chat-active .zalo-workspace{z-index:200;background:#fff;width:100%;height:100%;position:absolute;top:0;left:0;display:flex!important}.chat-header{padding:0 .8rem}.message{max-width:85%}.newsfeed-content{padding:0 .5rem}}