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saturate(180%);border:1px solid rgba(255,255,255,.55);border-radius:22px 22px 6px;box-shadow:0 10px 30px #6366f124,0 1px #ffffffb3 inset,0 -1px #6366f10d inset;color:var(--text);position:relative;overflow:hidden}.msg-user .bubble:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,#a855f70f,#06b6d40a);pointer-events:none}[data-theme=dark] .msg-user .bubble{background:linear-gradient(135deg,#ffffff1f,#ffffff0a);border-color:#ffffff26;box-shadow:0 10px 30px #0000004d,0 1px #ffffff1f inset}.conv-item{transition:background .16s ease,transform .16s ease}.conv-item:hover{transform:translate(2px)}.icon-btn{transition:transform .16s ease,color .16s ease,background .16s ease}.icon-btn:hover{transform:scale(1.08)}.new-chat-btn{transition:transform .16s ease,box-shadow .2s ease}.new-chat-btn:hover{transform:translateY(-1px);box-shadow:0 6px 14px #6366f133}.empty-title{background-size:200% 100%;animation:brand-shimmer 8s ease-in-out infinite}