*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#eef2f5;--bg-header:#fff;--bg-bubble:#fff;--bg-bubble-own:#dcf8c6;--bg-reply-bar:#f0f4ff;--bg-input:#fff;--bg-input-wrap:#f0f2f5;--text:#1a1a1a;--text-muted:#8a8a8e;--text-secondary:#667085;--accent:#2d74da;--accent-light:#ebf2ff;--accent-hover:#2563c3;--danger:#ff3b30;--border:#e4e8ee;--shadow-bubble:0 1px 2px #0000001a;--shadow-header:0 1px 4px #00000012;--radius:18px;--radius-sm:10px;--radius-xs:6px;--name-colors:#2d74da, #e05c2a, #27ae60, #8e44ad, #c0392b, #16a085}html,body{height:100%}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica Neue,Arial,sans-serif;font-size:15px;line-height:1.45;overflow-x:hidden}#root{height:100%}.app{background:var(--bg);flex-direction:column;max-width:640px;height:100dvh;margin:0 auto;display:flex}.app__header{background:var(--bg-header);box-shadow:var(--shadow-header);z-index:20;border-bottom:1px solid var(--border);align-items:center;gap:10px;padding:12px 16px;display:flex;position:sticky;top:0}.app__header-left{flex:1;align-items:center;gap:10px;min-width:0;display:flex}.app__header-icon{background:var(--accent-light);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;font-size:18px;display:flex}.app__header-info{flex-direction:column;min-width:0;display:flex}.app__title{color:var(--text);white-space:nowrap;text-overflow:ellipsis;font-size:16px;font-weight:700;overflow:hidden}.app__subtitle{color:var(--text-muted);font-size:12px;font-weight:400}.app__header-actions{align-items:center;gap:6px;display:flex}.app__icon-btn{cursor:pointer;width:36px;height:36px;color:var(--text-muted);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;transition:background .15s;display:flex}.app__icon-btn:hover{background:var(--bg-input-wrap);color:var(--accent)}.app__main{flex-direction:column;flex:1;padding:12px 8px 8px;display:flex;overflow-y:auto}.app__footer{background:var(--bg-input);border-top:1px solid var(--border);padding:8px 8px 12px}.comment-list{flex-direction:column;gap:2px;display:flex}.comment{align-items:flex-end;gap:8px;padding:3px 8px;display:flex}.comment--reply{padding:2px 0 0}.comment__avatar-wrap{flex-shrink:0;align-self:flex-end;margin-bottom:2px}.comment__bubble{background:var(--bg-bubble);border-radius:var(--radius) var(--radius) var(--radius) 4px;min-width:0;box-shadow:var(--shadow-bubble);flex:1;max-width:calc(100% - 48px);padding:8px 12px 6px;position:relative}.comment__bubble--own{background:var(--bg-bubble-own);border-radius:var(--radius) var(--radius) 4px var(--radius)}.comment__header{align-items:baseline;gap:6px;margin-bottom:3px;display:flex}.comment__name{white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:700;overflow:hidden}.comment__time{color:var(--text-muted);flex-shrink:0;margin-left:auto;font-size:11px}.comment__text{word-break:break-word;white-space:pre-wrap;color:var(--text);font-size:15px;line-height:1.45}.comment__image{border-radius:var(--radius-sm);cursor:pointer;object-fit:cover;width:100%;max-width:100%;max-height:280px;margin-top:6px;display:block}.comment__quote{border-left:3px solid var(--accent);border-radius:0 var(--radius-xs) var(--radius-xs) 0;color:var(--text-secondary);background:#2d74da14;margin-bottom:6px;padding:4px 8px;font-size:13px}.comment__quote-author{color:var(--accent);margin-bottom:1px;font-size:12px;font-weight:700}.comment__quote-text{text-overflow:ellipsis;white-space:nowrap;max-width:220px;overflow:hidden}.comment__actions{flex-wrap:wrap;align-items:center;gap:4px;margin-top:5px;display:flex}.comment__btn{color:var(--text-muted);cursor:pointer;border-radius:var(--radius-xs);background:0 0;border:none;padding:3px 6px;font-size:12px;font-weight:500;transition:background .12s,color .12s}.comment__btn:hover{background:var(--accent-light);color:var(--accent)}.comment__btn--danger:hover{color:var(--danger);background:#ff3b301a}.comment__actions-sep{background:var(--border);width:1px;height:12px}.reactions{flex-wrap:wrap;align-items:center;gap:4px;margin-top:5px;display:flex}.reaction{background:var(--bg-input-wrap);cursor:pointer;-webkit-user-select:none;user-select:none;border:1.5px solid #0000;border-radius:30px;align-items:center;gap:3px;padding:3px 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