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#0000001a}.pinned-card-header{display:flex;align-items:center;gap:6px;margin-bottom:8px}.pinned-card-icon{color:#5865f2;font-size:14px}.pinned-card-number{font-weight:700;color:#1f2430;font-size:14px}.pinned-card-text{color:#374151;font-size:13px;line-height:1.5}.group{margin-bottom:10px}.group-header{display:flex;align-items:center;gap:8px;padding:8px;width:100%;border:none;background:transparent;cursor:pointer;border-radius:10px}.group-header:hover{background:#f6f7fb}.document-icon{color:#6b7280;flex-shrink:0}.group-list{margin:0;padding:0 4px 0 6px}.question-item{display:grid;grid-template-columns:22px 1fr;align-items:center;gap:8px;padding:6px 8px;border-radius:10px}.question-item:hover{background:#f6f7fb}.num{width:22px;text-align:right;font-weight:700;color:#9aa0ab}@media(max-width:1400px){.app{grid-template-columns:320px 1fr 280px}.app.left-collapsed{grid-template-columns:56px 1fr 280px}.chatbot-sidebar{display:none}}@media(max-width:1024px){.app{grid-template-columns:280px 1fr}.app.left-collapsed{grid-template-columns:56px 1fr}.rightbar{display:none}.chat-input{grid-template-columns:120px 1fr 48px;padding:8px 10px}.circle-btn{width:30px;height:30px;font-size:14px}}@media(max-width:768px){.app{grid-template-columns:56px 1fr}.app.left-collapsed{grid-template-columns:0 1fr}.leftbar{position:fixed;left:0;top:0;bottom:0;width:280px;z-index:1000;transform:translate(-100%);transition:transform .3s ease;box-shadow:2px 0 10px #0000001a}.leftbar:not(.collapsed){transform:translate(0)}.chat-header{padding:0 12px}.chat-title{font-size:14px}.msg-row{grid-template-columns:28px minmax(0,1fr) 20px;gap:6px}.msg-index{font-size:13px}.bubble{padding:8px 10px;font-size:14px}.chat-input{grid-template-columns:1fr 48px}.input-left{display:none}}@media(max-width:480px){.app{grid-template-columns:1fr}.chatbot-sidebar,.rightbar{display:none!important}.chat-root{width:100%}.chat-header{padding:0 10px;height:48px}.chat-scroll{padding:12px 10px 80px}.msg-row{grid-template-columns:24px minmax(0,1fr) 18px;gap:4px;margin:6px 0}.msg-index{font-size:12px;padding-top:6px}.bubble{padding:8px 10px;font-size:13px;border-radius:10px}.bubble-header{gap:4px}.icon-btn{padding:3px}.chat-input{grid-template-columns:1fr 44px;padding:8px}.text-input{padding:8px 10px;font-size:14px}.send-btn{width:44px;font-size:16px}.modal{margin:10px;max-height:90vh;width:calc(100% - 20px)}.modal-title{font-size:14px;padding:12px}.modal-body{padding:12px}.selection-popover{font-size:11px;padding:3px 6px}}@media(max-width:360px){.chat-header{padding:0 8px}.chat-scroll{padding:10px 8px 70px}.msg-row{grid-template-columns:20px minmax(0,1fr) 16px}.bubble{padding:6px 8px;font-size:12px}.text-input{font-size:13px}}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.auth-card{background:#fff;border-radius:16px;box-shadow:0 20px 60px #0000004d;padding:48px 40px;width:100%;max-width:440px}.auth-logo{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:32px}.auth-logo-circle{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700}.auth-title{font-size:28px;font-weight:700;color:#1f2937;margin:0;letter-spacing:1px}.auth-heading{font-size:24px;font-weight:600;color:#111827;margin:0 0 8px;text-align:center}.auth-subtitle{font-size:14px;color:#6b7280;margin:0 0 32px;text-align:center}.auth-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-label{font-size:14px;font-weight:500;color:#374151}.form-input{width:100%;padding:12px 16px;border:1px solid #d1d5db;border-radius:8px;font-size:14px;transition:all .2s ease;box-sizing:border-box}.form-input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.form-input::placeholder{color:#9ca3af}.form-options{display:flex;align-items:center;justify-content:space-between;margin-top:-8px}.checkbox-label{display:flex;align-items:center;gap:8px;font-size:14px;color:#374151;cursor:pointer}.checkbox-input{width:16px;height:16px;cursor:pointer}.forgot-link{font-size:14px;color:#667eea;text-decoration:none;font-weight:500}.forgot-link:hover{color:#764ba2;text-decoration:underline}.auth-button{width:100%;padding:14px 24px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease;margin-top:8px}.auth-button:hover{transform:translateY(-2px);box-shadow:0 8px 16px #667eea4d}.auth-button:active{transform:translateY(0)}.auth-footer{margin-top:24px;text-align:center}.auth-footer p{font-size:14px;color:#6b7280;margin:0}.auth-link{color:#667eea;text-decoration:none;font-weight:600}.auth-link:hover{color:#764ba2;text-decoration:underline}.logout-button{position:fixed;top:16px;right:16px;padding:8px 16px;background:#ef4444;color:#fff;border:none;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease;z-index:1000}.logout-button:hover{background:#dc2626}.logout-button:active{transform:scale(.95)}