.chat-container{display:flex;flex-direction:column;gap:1.5rem;max-width:1000px;margin:0 auto}.chat-bubble{padding:.8rem 1.2rem;border-radius:12px;max-width:75%;line-height:1.6;font-family:ui-sans-serif,system-ui,-apple-system,sans-serif;font-size:1rem;position:relative;box-shadow:0 1px 2px rgba(0,0,0,5%)}.chat-ai{align-self:flex-start;background-color:#e9e9eb;color:#1f2937;border-bottom-left-radius:4px}.dark .chat-ai{background-color:#374151;color:#f9fafb}.chat-user{align-self:flex-end;background-color:#1d8cf8;color:#fff;border-bottom-right-radius:4px;text-align:left}.chat-ai strong,.chat-user strong{font-weight:700}.chat-container .echarts-container{margin-top:1rem;background:#fff;padding:1rem;border-radius:12px;border:1px solid #e5e7eb}.dark .chat-container .echarts-container{background:#1f2937;border-color:#374151}