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input:focus{border-color:#3b82f6;background:#fff}.login-error{color:#ef4444;font-size:13px;text-align:center;padding:8px;background:#fef2f2;border-radius:6px}.login-submit{width:100%;padding:12px;font-size:15px;font-weight:600;color:#fff;background:linear-gradient(135deg,#3b82f6,#2563eb);border:none;border-radius:8px;cursor:pointer;transition:opacity .15s}.login-submit:hover{opacity:.9}.login-submit:disabled{opacity:.6;cursor:not-allowed}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f5f7f9;color:#1f2937}.app{display:flex;height:100vh;overflow:hidden}.sidebar{width:300px;min-width:300px;background:#fff;border-right:1px solid #e5e7eb;display:flex;flex-direction:column;overflow-y:auto}.sidebar-section{padding:16px;border-bottom:1px solid #e5e7eb}.sidebar-section h3{font-size:13px;color:#6b7280;margin-bottom:10px;text-transform:uppercase;letter-spacing:.5px}.sidebar-section label{display:block;font-size:13px;color:#374151;margin-bottom:4px}.sidebar-section input,.sidebar-section select,.sidebar-section textarea{width:100%;padding:8px 10px;font-size:13px;border:1px solid #d1d5db;border-radius:6px;margin-bottom:10px;background:#fafafa}.sidebar-section textarea{resize:vertical;min-height:60px}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden}.chat-area{flex:1;overflow-y:auto;padding:20px}.message{margin-bottom:16px}.message-role{font-size:13px;font-weight:600;color:#3b82f6;margin-bottom:4px}.message-content{background:#fff;border-radius:8px;padding:12px 16px;border:1px solid #e5e7eb;font-size:14px;line-height:1.6}.message-content p{margin-bottom:8px}.message-content p:last-child{margin-bottom:0}.message-content pre{background:#f3f4f6;padding:8px;border-radius:4px;overflow-x:auto;font-size:13px}.message-content code{background:#f3f4f6;padding:2px 4px;border-radius:3px;font-size:13px}.summary-box{background:#eff6ff;border:1px solid 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.15s}.btn-primary{background:#3b82f6;color:#fff}.btn-primary:hover{background:#2563eb}.btn-success{background:#10b981;color:#fff}.btn-success:hover{background:#059669}.btn-danger{background:#ef4444;color:#fff}.btn-danger:hover{background:#dc2626}.btn-outline{background:transparent;border:1px solid #d1d5db;color:#374151}.btn-outline:hover{background:#f3f4f6}.btn-sm{padding:4px 10px;font-size:12px}.btn-full{width:100%}.btn:disabled{opacity:.5;cursor:not-allowed}.report-area{padding:20px 0;overflow-y:auto;flex:1}.report-area>.btn{margin-left:20px}.report-area>h2,.report-area>h3{padding:0 20px}.report-area .message-content h1{font-size:22px;margin-bottom:12px}.report-area .message-content h2{font-size:18px;margin:16px 0 8px}.report-area .message-content h3{font-size:15px;margin:12px 0 6px}.report-area .message-content ul{margin:8px 0;padding-left:20px}.report-area .message-content li,.cat-folder{margin-bottom:4px}.cat-header{display:flex;justify-content:space-between;align-items:center;padding:6px 8px;cursor:pointer;border-radius:6px;font-size:13px}.cat-header:hover{background:#f3f4f6}.cat-name{font-weight:500}.cat-count{color:#9ca3af;font-size:12px}.cat-items{padding-left:12px}.cat-item{padding:4px 8px;font-size:13px;cursor:pointer;border-radius:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cat-item:hover{background:#e5e7eb}.cat-empty{color:#9ca3af;font-size:12px;padding:4px 8px}.cat-mgmt{padding:6px 8px;display:flex;gap:6px}.cat-mgmt input{flex:1;font-size:12px;padding:4px 6px;border:1px solid #d1d5db;border-radius:4px}.loading{display:flex;align-items:center;justify-content:center;padding:40px;color:#6b7280}.spinner{width:24px;height:24px;border:3px solid #e5e7eb;border-top:3px solid #3b82f6;border-radius:50%;animation:spin .8s linear infinite;margin-right:8px}@keyframes 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select{width:100%;padding:8px;border:1px solid #d1d5db;border-radius:6px;margin-bottom:12px}