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auto}.welcome-icon{display:grid;place-items:center;background:linear-gradient(135deg,#0a84ff,#007aff);color:#fff;border-radius:var(--ios-r-xl);width:60px;height:60px;margin:0 auto 18px;box-shadow:0 6px 20px var(--ios-blue-glow)}.chat-welcome h2{font-size:24px;font-weight:700;margin-bottom:6px}.chat-welcome>p{font-size:13.5px;color:var(--ios-label-secondary);margin-bottom:28px}.starter-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.starter{border:1px solid var(--ios-border);border-radius:var(--ios-r-lg);background:#fff;padding:16px;text-align:left;display:flex;flex-direction:column;gap:6px;color:var(--ios-label-primary);box-shadow:var(--ios-shadow-xs);transition:all .22s cubic-bezier(.16,1,.3,1)}.starter:hover{transform:translateY(-2px);border-color:var(--ios-blue);box-shadow:var(--ios-shadow-md)}.starter-number{font-size:11px;font-weight:600;color:var(--ios-blue)}.starter strong{font-size:13.5px;font-weight:600}.starter>span:last-child{font-size:11.5px;color:var(--ios-label-secondary);line-height:1.5}.message{display:flex;gap:12px;margin-bottom:24px}.message-avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#0a84ff,#007aff);color:#fff;display:grid;place-items:center;flex-shrink:0;box-shadow:0 2px 8px var(--ios-blue-glow)}.message-avatar.human{background:linear-gradient(135deg,#8e8e93,#636366);box-shadow:none}.message-body{flex:1;min-width:0}.message-author{display:flex;gap:10px;align-items:center;font-size:12.5px;font-weight:600;margin-bottom:6px}.message-author small{font-size:11px;color:var(--ios-label-tertiary);font-weight:400}.user-message .markdown{background:linear-gradient(180deg,#0a84ff,#007aff);color:#fff;padding:12px 18px;border-radius:18px 18px 4px;display:inline-block;max-width:85%;box-shadow:0 2px 8px var(--ios-blue-glow)}.user-message .markdown p{color:#fff}.markdown{font-size:14px;line-height:1.7;overflow-wrap:anywhere}.markdown p{margin:0 0 12px}.markdown img{max-width:100%;height:auto}.markdown table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse}.markdown th,.markdown td{border:1px solid var(--ios-border);padding:8px}.markdown>*:last-child{margin-bottom:0}.markdown pre{background:#1c1c1e;color:#f2f2f7;border-radius:var(--ios-r-md);padding:16px;overflow-x:auto;font-size:12.5px;border:1px solid rgba(255,255,255,.1)}.markdown code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.markdown :not(pre)>code{background:var(--ios-fill);padding:3px 6px;border-radius:6px;font-size:12.5px;color:#d32f2f}.markdown blockquote{border-left:3px solid 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