.main{flex:1;display:flex;flex-direction:column;min-width:0;height:100%;overflow:hidden}.chat-area{flex:1;display:flex;flex-direction:column;align-items:center;padding:24px 24px 8px;overflow-y:auto;min-height:0}.welcome{text-align:center;max-width:560px;margin:auto;padding-bottom:4vh}.welcome h1{font-size:24px;font-weight:700;margin:0 0 8px}.welcome p{font-size:14px;font-weight:400;color:var(--text-soft);margin:0}