.incoming-message-bubble{position:relative;animation:fadeInLeft .3s ease-out}.outgoing-message-bubble{position:relative;animation:fadeInRight .3s ease-out}@keyframes fadeInLeft{0%{opacity:0;transform:translateX(-20px)}to{opacity:1;transform:translateX(0)}}@keyframes fadeInRight{0%{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}.messages-container::-webkit-scrollbar{width:6px}.messages-container::-webkit-scrollbar-track{background:#F3F4F6}.messages-container::-webkit-scrollbar-thumb{background:#D1D5DB;border-radius:3px}.messages-container::-webkit-scrollbar-thumb:hover{background:#9CA3AF}.chat-image{transition:transform .2s ease,box-shadow .2s ease}.chat-image:hover{transform:scale(1.02);box-shadow:0 4px 12px rgba(0,0,0,.15)}.message-status{transition:color .2s ease}