*{margin:0;padding:0;box-sizing:border-box;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Helvetica Neue,Helvetica,Arial,sans-serif;background-color:#f5f5f7;color:#1d1d1f;min-height:100vh;padding:40px 20px;line-height:1.47059;font-size:17px}.container{max-width:980px;margin:0 auto;background:#fff;border-radius:24px;box-shadow:0 4px 24px #0000000a;overflow:hidden}header{background:transparent;color:#1d1d1f;padding:60px 40px 40px;text-align:center}header h1{font-size:48px;line-height:1.08349;font-weight:700;letter-spacing:-.003em;margin-bottom:12px}.subtitle{font-size:21px;line-height:1.381;font-weight:400;color:#86868b;letter-spacing:.011em}.main-content{padding:0 60px 60px}.input-section{margin-bottom:40px}.form-group{margin-bottom:24px}.form-group label{display:block;margin-bottom:8px;font-weight:500;color:#1d1d1f;font-size:14px}.form-group select,.form-group textarea,.form-group input{width:100%;padding:14px 16px;border:1px solid #d2d2d7;border-radius:12px;font-size:17px;font-family:inherit;background-color:#fff;color:#1d1d1f;transition:all .2s ease;outline:none}.form-group select:focus,.form-group textarea:focus,.form-group input:focus{border-color:#0071e3;box-shadow:0 0 0 4px #0071e326}.form-group textarea{resize:vertical;min-height:240px;line-height:1.6}.submit-btn{width:100%;padding:18px;background-color:#0071e3;color:#fff;border:none;border-radius:12px;font-size:17px;font-weight:600;cursor:pointer;transition:all .2s cubic-bezier(.645,.045,.355,1)}.submit-btn:hover{background-color:#0077ed;transform:scale(1.01)}.submit-btn:active{background-color:#006edb;transform:scale(.99)}.submit-btn:disabled{background-color:#d2d2d7;cursor:not-allowed;transform:none}.input-mode-switch{display:flex;background-color:#f5f5f7;padding:4px;border-radius:12px;border:none;margin-bottom:30px;width:fit-content}.mode-btn{padding:8px 24px;background:transparent;border:none;border-radius:8px;cursor:pointer;font-size:15px;font-weight:500;color:#86868b;transition:all .2s ease}.mode-btn.active{background-color:#fff;color:#1d1d1f;box-shadow:0 2px 8px #0000001f;font-weight:600}.mode-btn:hover:not(.active){color:#1d1d1f}.file-upload-area{border:2px dashed #d2d2d7;border-radius:16px;padding:60px 40px;text-align:center;cursor:pointer;transition:all .3s ease;background-color:#fafafa}.file-upload-area:hover{border-color:#0071e3;background-color:#f5f9ff}.file-upload-area.dragover{border-color:#0071e3;background-color:#edf5ff}.file-upload-placeholder{color:#86868b}.file-upload-placeholder svg{margin-bottom:16px;color:#0071e3;stroke-width:1.5}.file-hint{font-size:14px;color:#86868b;margin-top:8px}.file-selected{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:#fff;border-radius:12px;border:1px solid #0071e3;box-shadow:0 2px 12px #0071e31a}.file-name{color:#0071e3;font-weight:500;flex:1;text-align:left;font-size:15px}.file-remove{width:28px;height:28px;border:none;background:#e5e5ea;color:#86868b;border-radius:50%;cursor:pointer;font-size:18px;line-height:1;display:flex;align-items:center;justify-content:center;transition:all .2s}.file-remove:hover{background:#d2d2d7;color:#1d1d1f}.output-section{margin-top:60px;border-top:1px solid #e5e5ea;padding-top:40px}.status-bar{display:flex;gap:20px;margin-bottom:30px;padding:16px 24px;background:#f5f5f7;border-radius:16px;flex-wrap:wrap;align-items:center}.status-item{display:flex;align-items:center;gap:8px;font-size:15px}.status-label{font-weight:500;color:#86868b}.status-text,.score-text,.iteration-text{color:#1d1d1f;font-weight:600;background:#fff;padding:4px 10px;border-radius:6px;box-shadow:0 1px 2px #0000000d}.status-text{color:#30d158}.result-content h3,.process-content h3{color:#1d1d1f;margin-top:40px;margin-bottom:20px;font-size:24px;font-weight:600}.result-content h3:first-child,.process-content h3:first-child{margin-top:0}.result-content pre,.timeline-output,.progress-step-output{background-color:#fbfbfd!important;border:1px solid #e5e5ea;border-radius:12px!important;padding:24px!important;font-family:SF Mono,SFMono-Regular,ui-monospace,monospace;font-size:14px;line-height:1.6;color:#424245}.timeline-container{position:relative;padding:20px 0}.timeline-item{position:relative;padding-left:40px;padding-bottom:40px;border-left:2px solid #e5e5ea}.timeline-item:last-child{border-left:none;padding-bottom:0}.timeline-item:before{content:"";position:absolute;left:-7px;top:4px;width:12px;height:12px;border-radius:50%;background:#0071e3;border:2px solid #fff;box-shadow:0 0 0 2px #0071e3}.timeline-item.revised:before{background:#ff9f0a;box-shadow:0 0 0 2px #ff9f0a}.timeline-item.completed:before{background:#34c759;box-shadow:0 0 0 2px #34c759}.timeline-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}.timeline-agent-name{font-weight:600;color:#1d1d1f;font-size:17px}.timeline-stage-badge{padding:4px 10px;background:#0071e3;color:#fff;border-radius:980px;font-size:12px;font-weight:600;letter-spacing:.02em}.timeline-stage-badge.revised{background:#ff9f0a}.download-buttons{display:flex;gap:16px;margin-top:40px}.download-btn{padding:14px 28px;background-color:#f5f5f7;color:#0071e3;border:none;border-radius:980px;font-size:15px;font-weight:600;cursor:pointer;transition:all .2s ease}.download-btn:hover{background-color:#e5e5ea}.loading-overlay{position:fixed;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:1000;background:#fffc;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);color:#1d1d1f}@keyframes spin{to{transform:rotate(360deg)}}.spinner{width:40px;height:40px;border:3px solid rgba(0,0,0,.1);border-top-color:#0071e3;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:20px}.progress-info{background:#fff9;box-shadow:0 4px 24px #0000000f;border:1px solid rgba(0,0,0,.05);color:#1d1d1f}.progress-step{background:transparent;border-bottom:1px solid rgba(0,0,0,.05);border-radius:0}.progress-step:last-child{border-bottom:none}.progress-step.active{background:#0071e30d;border-left:none}.progress-step-icon{width:28px;height:28px;font-size:12px}.progress-step.pending .progress-step-icon{background:#e5e5ea;color:#86868b}.progress-step.active .progress-step-icon{background:#0071e3;color:#fff}.progress-step.completed .progress-step-icon{background:#34c759;color:#fff}.tabs{border-bottom:1px solid #e5e5ea;gap:24px}.tab-btn{color:#86868b;font-weight:500;padding:12px 0;border-width:2px}.tab-btn.active{color:#0071e3;border-bottom-color:#0071e3}.tab-btn:hover{color:#1d1d1f}.conversation-message{box-shadow:none;border:1px solid #e5e5ea;background:#fff!important;border-left-width:4px!important}.conversation-message.system{border-left-color:#0071e3}.conversation-message.agent{border-left-color:#af52de}@media (max-width: 768px){body{padding:20px 10px}.container{border-radius:16px}header{padding:40px 20px 20px}header h1{font-size:32px}.main-content{padding:20px}}