.chat-container{display:flex;flex-direction:column;height:100%;flex:1;width:100%;max-width:900px;margin:0 auto;padding:18px 16px;box-sizing:border-box;overflow:hidden;border-radius:22px;background:#fff}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;margin-bottom:12px;border-radius:18px;background:linear-gradient(135deg,#0078d4e6,#5aa9ffe6);color:#fff}.chat-header-main{display:flex;align-items:center;gap:12px}.chat-header-avatar{width:40px;height:40px;border-radius:50%;background:#ffffff2e;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;letter-spacing:.03em}.chat-header-text{display:flex;flex-direction:column;gap:2px}.chat-title{margin:0;font-size:1.1rem}.chat-subtitle{margin:0;font-size:.8rem;opacity:.9}.chat-header-status{display:flex;align-items:center;gap:6px;font-size:.8rem}.status-dot{width:8px;height:8px;border-radius:50%;background:#4ade80;box-shadow:0 0 0 4px #4ade8066}.messages{flex:1;min-height:0;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:14px;border-radius:18px}.empty-state{display:flex;justify-content:center;align-items:center;height:100%;flex-direction:column;gap:10px;color:#8a8a8a;font-size:1rem}.empty-icon{font-size:2rem}.empty-copy .secureIcon{display:flex;align-items:center;justify-content:center;margin-bottom:20px}.empty-copy .secureIcon img{width:100px;height:100px}.empty-copy h3{margin:0;font-size:40px;color:#3b3b3b;font-weight:700;text-align:center}.empty-copy p{margin:5px;font-size:12px;text-align:center}.secureIcon{display:flex;align-items:center;justify-content:center}.secureIcon img{width:35px;height:35px}.message{display:flex;max-width:75%;animation:slideIn .25s ease}@keyframes slideIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.message.user{align-self:flex-end;flex-direction:row-reverse;gap:10px}.message.assistant{align-self:flex-start}.message-avatar{width:32px;height:32px;border-radius:999px;background:#fffffff2;border:1px solid rgba(15,23,42,.08);display:flex;align-items:center;justify-content:center;color:#0078d4;margin-right:10px;flex-shrink:0}.message.user .message-avatar{background:linear-gradient(135deg,#0078d4f2,#5aa9fff2);border:none;color:#fff}.message-avatar svg{width:18px;height:18px;fill:currentColor;display:block}.message-body{display:flex;flex-direction:column;gap:4px}.message-meta{font-size:.75rem;color:#7a7a7a;margin-top:5px}.message.user .message-meta{text-align:right;margin-top:5px}.message-author{font-weight:600}.message-content{padding:10px 14px;border-radius:6px;word-wrap:break-word;font-size:.95rem;line-height:1.5}.message-content p{margin:6px 0}.message-content ol,.message-content 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button{border:none;width:44px;height:44px;border-radius:999px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#fff;background:#4a8de7;transition:all .25s ease}.input-container button:hover:not(:disabled){transform:translateY(-2px)}.input-container button:disabled{background:#cfcfcf;cursor:not-allowed;box-shadow:none}.icon-send{width:18px;height:18px;fill:currentColor}.messages::-webkit-scrollbar{width:6px}.messages::-webkit-scrollbar-thumb{background:#0003;border-radius:10px}.dept{position:relative;margin-top:16px;margin-bottom:16px}.dept-label{font-weight:600;font-size:.9rem;color:#444}.dept-trigger{margin-top:6px;padding:12px 14px;border-radius:8px;background:#fff;border:1px solid #d6d6d6;display:flex;justify-content:space-between;align-items:center;cursor:pointer}.chev{transition:transform 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ease}.status-message.success{background:#4caf501f;color:#1b5e20;border:1px solid rgba(76,175,80,.25)}.status-message.error{background:#f443361f;color:#7f1d1d;border:1px solid rgba(244,67,54,.25)}.status-message.info{background:#3b82f614;color:#1d4ed8;border:1px solid rgba(59,130,246,.35)}.sync-loading-text{margin-top:10px;font-size:.85rem;color:#6b7280}.supported-formats{padding-top:14px;display:flex;align-items:center;justify-content:center;gap:5px}.supported-formats svg{width:15px;fill:#999}.supported-formats p{margin:0;color:#999;font-size:.8rem}.mode-toggle{display:flex;gap:10px;margin:18px 0 22px}.mode-btn{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;border-radius:12px;background-color:#fff;border:1px solid rgb(197,197,197);font-size:14px;font-weight:600;cursor:pointer;transition:background-color .15s ease,border-color .15s ease,color .15s ease}.mode-btn img{width:20px;height:20px}.mode-btn:hover{background-color:#f8f8f8}.mode-btn.active{background:#4a8de7;color:#fff}.sharePoint-con{display:flex;align-items:center;justify-content:center}.sharepoint-btn{display:flex;align-items:center;justify-content:center;width:100%;gap:5px;padding:8px 16px;border-radius:10px;background-color:#fff;border:1px solid rgb(197,197,197);font-size:15px}.sharepoint-btn img{width:24px;height:24px}.sharepoint-btn:hover{background-color:#f8f8f8}.empty-line{margin:20px;border-top:1px solid rgba(0,0,0,.06)}.document-list{margin-top:20px;max-height:250px;overflow:scroll}.document-row{display:flex;justify-content:space-between;align-items:center;padding:10px;border-radius:8px;background:#fff}.doc-name{font-size:15px;display:flex;align-items:center}.doc-name svg{width:15px;margin-inline:6px}.sync-btn{background:#2563eb;color:#fff;padding:6px 14px;border-radius:30px;font-size:13px;width:70px}.synced-badge{background:#dcfce7;color:#166534;padding:6px 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