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#0000001a;min-height:500px;max-height:60vh;overflow-y:auto;display:flex;flex-direction:column;gap:20px}.message{display:flex;gap:16px}.message.user{justify-content:flex-end}.message-content{background:#f8f9fa;padding:18px;border-radius:18px;max-width:80%;line-height:1.6;font-size:1.05rem;color:#495057;word-wrap:break-word}.message.user .message-content{background:linear-gradient(135deg,#4361ee,#3a0ca3);color:#fff;border-bottom-right-radius:4px}.message.assistant .message-content{border-bottom-left-radius:4px}.message-content p{margin:0 0 8px}.message-content p:last-child{margin-bottom:0}.typing-indicator{display:flex;gap:4px;padding:8px 12px;background:#f8f9fa;border-radius:18px;width:fit-content}.typing-indicator span{width:8px;height:8px;background:#6c757d;border-radius:50%;animation:typing 1.4s infinite ease-in-out}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes 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