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message-pop{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.message.user{background:var(--user-message-bg);color:var(--user-message-text);padding:1rem 1.5rem;border-radius:12px 2px 12px 12px;box-shadow:0 4px 6px -1px #0000001a}.message.user .markdown-content{color:inherit}.message.model{background-color:transparent;color:var(--model-message-text);gap:.75rem;white-space:normal}.agent-label-header{margin-top:8px}.agent-label{font-weight:700;font-size:.7rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.08em;background-color:#f1f5f9;padding:.25rem .6rem;border-radius:4px;border:1px solid #e2e8f0}.empty-state-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;padding:2rem}.empty-state-icon{width:72px;height:72px;color:#cbd5e1;margin-bottom:1.5rem}.empty-state-icon 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#0000000d}.source-link:hover{border-color:var(--text-primary);background-color:#f8fafc;transform:translateY(-1px)}.source-index{font-size:.75rem;font-weight:700;color:var(--text-primary);background-color:#e2e8f0;border-radius:50%;width:20px;height:20px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.source-title{font-size:.85rem;color:var(--text-primary);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:200px}.source-icon{width:16px;height:16px;color:#94a3b8}.input-container{border-top:1px solid var(--model-message-border);background-color:#fffc;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:1.5rem 2rem;flex-shrink:0;z-index:10}.input-area{display:flex;align-items:center;gap:1rem;position:relative;max-width:850px;margin:0 auto}.input-area input[type=text]{flex-grow:1;border:1px solid var(--input-border);background:var(--input-background);padding:1rem 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