@keyframes msgSlideIn{0%{opacity:0;transform:translateY(12px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes msgSlideInRight{0%{opacity:0;transform:translateX(16px) translateY(6px) scale(.95)}to{opacity:1;transform:translateX(0) translateY(0) scale(1)}}@keyframes msgSlideInLeft{0%{opacity:0;transform:translateX(-16px) translateY(6px) scale(.95)}to{opacity:1;transform:translateX(0) translateY(0) scale(1)}}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}.chat-window-container{max-width:1200px;margin:0 auto;padding-bottom:0}.chat-card{height:calc(100vh - 56px - 60px);min-height:400px;border:1px solid rgba(0,0,0,.08)}.overflow-auto::-webkit-scrollbar{width:6px}.overflow-auto::-webkit-scrollbar-track{background:0 0}.overflow-auto::-webkit-scrollbar-thumb{background-color:rgba(0,0,0,.1);border-radius:10px}.list-group-item.active{background-color:var(--bs-primary)!important;border-color:var(--bs-primary)!important}.transition-all{transition:all .15s ease-in-out}.chat-bubble{max-width:75%;font-size:.95rem;line-height:1.4;animation:msgSlideIn .5s cubic-bezier(.4,0,.2,1) forwards;opacity:0}.msg-me{border-radius:16px 16px 4px 16px;animation-name:msgSlideInRight}.msg-them{border-radius:16px 16px 16px 4px;border:1px solid rgba(0,0,0,.04);animation-name:msgSlideInLeft}.chat-meta{font-size:.72rem;letter-spacing:.03em}.chat-online-dot{width:7px;height:7px;background-color:var(--bs-success);border-radius:50%;display:inline-block}.msg-input:focus{box-shadow:none;border-color:var(--bs-primary)}.custom-chat-bg{background-color:#f8f9fa!important}@media (max-width:767.98px){.chat-card{height:calc(100vh - 56px)!important;min-height:auto}.thread-sidebar{max-height:none}.chat-area.d-none,.thread-sidebar.d-none{display:none!important}.chat-area{height:auto}.chat-bubble{max-width:85%}}.unread-pulse{display:inline-flex;align-items:center;gap:4px;background:rgba(25,135,84,.1);padding:2px 8px;border-radius:12px;font-size:.7rem;font-weight:600;color:#198754}.unread-dot{width:6px;height:6px;background-color:#198754;border-radius:50%;display:inline-block;animation:pulse-dot 2s ease-in-out infinite}.unread-badge{min-width:14px;text-align:center;line-height:1}.chat-thread-hover:has(.unread-pulse):hover{box-shadow:0 0 0 1px rgba(25,135,84,.2)}