#online-indicator{font-size:.9rem;color:#28a745;display:none;margin-left:.5rem}#typing-indicator{font-size:.85rem;color:#666;display:none;margin-bottom:.5rem;margin-top:-.5rem!important}.msg-content{word-break:break-word;line-height:1.4}.bg-user{background:#f1f0f0;color:#000}.bg-expert{background:#08c;color:#fff}.msg-avatar{width:32px;height:32px;flex-shrink:0}.remover_item{height:fit-content;margin-top:auto;margin-bottom:auto}#last-seen{font-size:.85rem;color:#666;margin-left:.5rem}.image-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;align-items:center;justify-content:center;z-index:10000}.enlarged-image{max-width:90%;max-height:90%;box-shadow:0 0 20px #00000080;border-radius:4px}.lazy-media{opacity:0;transition:opacity .3s ease}.lazy-media.loaded{opacity:1}.custom-audio-player{display:flex;align-items:center;gap:.6rem;background:linear-gradient(135deg,#f8f9fa,#e9ecef);border:1px solid #ddd;border-radius:12px;padding:.5rem .75rem;max-width:260px;box-shadow:0 2px 4px #0000000f;direction:ltr;transition:background .3s}.custom-audio-player:hover{background:linear-gradient(135deg,#f1f3f5,#dee2e6)}.custom-audio-player button{border:none;background:none;font-size:1.3rem;color:#495057;padding:.2rem;cursor:pointer;transition:color .2s,transform .2s}.custom-audio-player button:hover{color:#0d6efd;transform:scale(1.1)}.custom-audio-player button:focus{outline:none}.custom-video-wrapper{position:relative;display:inline-block;max-width:200px;border-radius:8px;overflow:hidden;cursor:pointer}.custom-video-thumbnail{position:relative;width:100%}.preview-video{display:block;width:100%;height:auto;border-radius:8px;pointer-events:none;filter:brightness(.85)}.play-overlay{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;justify-content:center;align-items:center;background:#0000004d;transition:background .3s ease}.play-icon{font-size:2.2rem;color:#fff;background:#0009;padding:.6rem .7rem;border-radius:50%}#video-modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;z-index:1000;display:flex;justify-content:center;align-items:center}#video-modal-content{max-width:90vw;max-height:90vh;background:#000;border-radius:8px;overflow:hidden}#video-modal-player{width:100%;height:auto;display:block}#video-modal-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1}