.msg{display:flex;flex-direction:column;max-width:75%;animation:fadeIn 0.2s var(--ease);}.msg.in{align-self:flex-start;}.msg.out{align-self:flex-end;}.msg .bubble{padding:10px 14px;border-radius:16px 16px 16px 4px;background:var(--bg-card);border:1px solid var(--border);position:relative;word-wrap:break-word;overflow-wrap:break-word;line-height:1.5;}.msg.out .bubble{background:rgba(59,130,246,0.12);border-color:rgba(59,130,246,0.15);border-radius:16px 16px 4px 16px;}.msg .sender{font-size:12px;font-weight:600;color:var(--blue);margin-bottom:3px;}.msg.out .sender{color:var(--text-muted);text-align:right;}.msg .text{font-size:14px;color:var(--text-primary);line-height:1.55;}.msg .time-row{display:flex;align-items:center;gap:6px;justify-content:flex-end;margin-top:4px;}.msg .time{font-size:11px;color:var(--text-muted);}.msg.deleted .bubble{background:var(--red-dim);border-color:rgba(239,68,68,0.15);}.msg.deleted .bubble::after{content:'🗑';position:absolute;top:6px;right:8px;font-size:12px;opacity:0.7;}.msg.viewonce .bubble{background:var(--gold-dim);border-color:var(--border-gold);}.vo-badge{display:inline-flex;align-items:center;gap:4px;font-size:10px;font-weight:600;color:var(--gold);background:rgba(212,175,55,0.1);padding:2px 8px;border-radius:var(--radius-full);margin-bottom:4px;}.msg-reply{display:flex;flex-direction:column;gap:1px;padding:5px 10px;margin-bottom:6px;border-left:3px solid #3498db;border-radius:4px;background:rgba(52,152,219,0.06);cursor:pointer;transition:background 0.2s;}.msg-reply:hover{background:rgba(52,152,219,0.12);}.msg-reply-name{font-size:11px;font-weight:600;color:#3498db;}.msg-reply-text{font-size:12px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:250px;}.msg-fwd{font-size:11px;color:#27ae60;margin-bottom:4px;font-style:italic;}.msg-fwd b{font-weight:600;color:#2ecc71;font-style:normal;}.msg-highlight .bubble{animation:msgFlash 2s ease;}@keyframes msgFlash{0%{box-shadow:0 0 0 3px rgba(52,152,219,0.6);}50%{box-shadow:0 0 0 3px rgba(52,152,219,0.3);}100%{box-shadow:none;}}.msg-media{margin:6px 0;border-radius:var(--radius-md);overflow:hidden;position:relative;cursor:pointer;}.msg-media img{max-width:100%;max-height:350px;border-radius:var(--radius-md);display:block;object-fit:cover;transition:transform var(--t-normal);}.msg-media img:hover{transform:scale(1.02);}.msg-media video{max-width:100%;max-height:350px;border-radius:var(--radius-md);display:block;background:#000;}.msg-media audio{width:100%;max-width:300px;height:36px;border-radius:20px;}.msg-media .sticker{max-width:180px;max-height:180px;background:transparent;}.tgs-sticker{width:180px;height:180px;background:transparent;}.tgs-placeholder{display:flex;align-items:center;justify-content:center;width:100%;height:100%;font-size:48px;opacity:0.7;}.media-badge{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:var(--text-muted);background:var(--bg-hover);padding:4px 10px;border-radius:var(--radius-sm);}.doc-card{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);text-decoration:none;color:inherit;transition:all 0.2s ease;min-width:200px;}.doc-card:hover{border-color:var(--border-gold);background:var(--bg-hover);transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,0,0,0.2);}.doc-icon{font-size:28px;flex-shrink:0;width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,0.05);border-radius:10px;}.doc-info{display:flex;flex-direction:column;gap:2px;min-width:0;}.doc-ext{font-size:13px;font-weight:700;color:var(--text-primary);letter-spacing:0.5px;}.doc-lbl{font-size:11px;color:var(--text-muted);}.date-sep{text-align:center;padding:12px 0;}.date-sep span{background:var(--bg-card);border:1px solid var(--border);padding:4px 16px;border-radius:var(--radius-full);font-size:12px;color:var(--text-muted);font-weight:500;}.ev-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:14px 16px;margin-bottom:10px;animation:fadeIn 0.2s var(--ease);max-width:700px;}.ev-card .ev-head{display:flex;align-items:center;gap:8px;margin-bottom:8px;}.ev-card .ev-icon{font-size:18px;flex-shrink:0;}.ev-card .ev-title{font-size:13px;font-weight:600;color:var(--text-primary);}.ev-card .ev-time{font-size:11px;color:var(--text-muted);margin-left:auto;}.ev-card.edit .ev-old{background:var(--red-dim);padding:8px 12px;border-radius:var(--radius-sm);font-size:13px;color:var(--text-secondary);margin-bottom:6px;border-left:3px solid var(--red);text-decoration:line-through;text-decoration-color:rgba(239,68,68,0.4);}.ev-card.edit .ev-new{background:var(--green-dim);padding:8px 12px;border-radius:var(--radius-sm);font-size:13px;color:var(--text-primary);border-left:3px solid var(--green);}.ev-card.del{border-left:3px solid var(--red);}.ev-card.del .ev-content{font-size:13px;color:var(--text-secondary);padding:6px 0;}.ev-card.react .ev-emoji{font-size:24px;display:flex;align-items:center;gap:6px;padding:6px 0;}.ev-card.react .ev-arrow{font-size:14px;color:var(--text-muted);}.skeleton{background:linear-gradient(90deg,var(--bg-card) 0%,var(--bg-hover) 50%,var(--bg-card) 100%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-sm);}.skel-msg{height:48px;margin-bottom:8px;max-width:60%;}.skel-msg:nth-child(odd){max-width:45%;align-self:flex-end;}.msg-loading{display:flex;flex-direction:column;gap:8px;padding:20px;}.load-more-hint{text-align:center;padding:10px;color:var(--text-muted);font-size:12px;opacity:0.6;}.load-more-indicator{padding:10px 20px;}.media-filters{display:flex;flex-direction:column;border-bottom:1px solid var(--border);background:var(--bg-surface);flex-shrink:0;}.mf-types{display:flex;gap:6px;padding:8px 20px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}.mf-types::-webkit-scrollbar{display:none;}.mf-btn{padding:6px 14px;border-radius:var(--radius-full);background:var(--bg-card);color:var(--text-muted);font-size:12px;font-weight:500;white-space:nowrap;border:1px solid transparent;cursor:pointer;transition:all var(--t-fast);flex-shrink:0;}.mf-btn:hover{background:var(--bg-hover);color:var(--text-secondary);}.mf-btn.on{background:var(--gold-dim);color:var(--gold);border-color:var(--border-gold);}.mf-btn.mf-del{border-color:rgba(239,68,68,0.15);}.mf-btn.mf-del.on{background:var(--red-dim);color:var(--red);border-color:rgba(239,68,68,0.3);}.mf-sender-wrap{padding:0 20px 8px;}.mf-sender{width:100%;padding:7px 12px;border-radius:var(--radius-sm);background:var(--bg-card);border:1px solid var(--border);color:var(--text-primary);font-size:13px;font-family:inherit;cursor:pointer;transition:border-color var(--t-fast);appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px;}.mf-sender:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 2px var(--gold-dim);}.mf-sender option{background:var(--bg-surface);color:var(--text-primary);}.media-count{text-align:center;padding:8px;font-size:12px;color:var(--text-muted);opacity:0.7;}.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:8px;max-width:900px;margin:0 auto;}.media-grid-item{position:relative;border-radius:var(--radius-md);overflow:hidden;background:var(--bg-card);border:1px solid var(--border);transition:transform var(--t-fast),box-shadow var(--t-fast);cursor:pointer;}.media-grid-item:hover{transform:translateY(-2px);box-shadow:0 4px 16px rgba(0,0,0,0.3);}.media-grid-item.is-deleted{border-color:rgba(239,68,68,0.3);}.media-grid-item img,.media-grid-item video{width:100%;aspect-ratio:1;object-fit:cover;display:block;}.media-grid-item img.sticker,.media-grid-item video.sticker{aspect-ratio:1;object-fit:contain;background:transparent;padding:8px;}.media-grid-audio{padding:20px 10px;display:flex;align-items:center;justify-content:center;min-height:100px;}.media-grid-audio audio{width:100%;height:36px;}.media-grid-placeholder{display:flex;align-items:center;justify-content:center;min-height:100px;padding:20px;}.media-del-badge{position:absolute;top:6px;right:6px;background:rgba(239,68,68,0.85);color:#fff;border-radius:var(--radius-full);width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:12px;box-shadow:0 2px 6px rgba(0,0,0,0.3);}.media-vo-badge{position:absolute;top:6px;left:6px;background:rgba(212,175,55,0.85);color:#fff;border-radius:var(--radius-full);width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:12px;box-shadow:0 2px 6px rgba(0,0,0,0.3);}.media-grid-info{display:flex;justify-content:space-between;align-items:center;padding:6px 8px;font-size:11px;background:rgba(0,0,0,0.4);backdrop-filter:blur(4px);position:absolute;bottom:0;left:0;right:0;}.media-grid-sender{color:#fff;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:60%;}.media-grid-time{color:rgba(255,255,255,0.7);flex-shrink:0;}.media-grid-caption{padding:4px 8px 6px;font-size:11px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}@media (max-width:768px){.msg{max-width:85%;}.msg-media img{max-height:260px;}.msg-media video{max-height:260px;}.ev-card{padding:12px 14px;}.msg .bubble{padding:8px 12px;}.msg .text{font-size:14px;}.media-grid{grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:4px;}.mf-types{padding:6px 12px;gap:4px;}.mf-sender-wrap{padding:0 12px 6px;}.mf-btn{padding:5px 10px;font-size:11px;}}