:root{--bg-primary: #f5f7fa;--bg-panel: #ffffff;--border-color: #e0e6ed;--text-primary: #1a202c;--text-secondary: #4a5568;--text-tertiary: #718096;--accent-primary: #3182ce;--accent-success: #38a169;--accent-warning: #d69e2e;--accent-danger: #e53e3e;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07);--shadow-lg: 0 10px 25px rgba(0, 0, 0, .1);--radius: 8px}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased}.app{display:flex;flex-direction:column;height:100vh}.header{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:var(--bg-panel);border-bottom:1px solid var(--border-color);box-shadow:var(--shadow-sm);flex-shrink:0}.header-title{font-size:18px;font-weight:600;color:var(--text-primary)}.header-actions{display:flex;gap:12px;align-items:center}.btn{padding:8px 16px;border-radius:var(--radius);border:1px solid var(--border-color);background:var(--bg-panel);color:var(--text-primary);font-size:14px;cursor:pointer;transition:all .15s}.btn:hover{background:var(--bg-primary);border-color:var(--accent-primary)}.btn-primary{background:var(--accent-primary);color:#fff;border-color:var(--accent-primary)}.btn-primary:hover{background:#2c5282}.main{display:flex;flex:1;overflow:hidden}.canvas-area{flex:1;min-width:0;display:flex;flex-direction:column;padding:0;overflow:hidden;background:var(--bg-primary)}.panel{background:var(--bg-panel);border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid var(--border-color)}.right-column{width:clamp(240px,24vw,340px);display:flex;flex-direction:column;gap:6px;flex-shrink:0;overflow:hidden;min-height:0}.results-panel{width:100%;flex:1 1 0;min-height:0;overflow-y:auto;padding:10px 12px;display:flex;flex-direction:column;gap:8px;transition:width .2s ease;font-size:12px}.results-panel.collapsed{width:40px;padding:12px 4px}.results-panel.collapsed .section,.results-panel.collapsed .section-title,.results-panel.collapsed .metric-row,.results-panel.collapsed .manual-results,.results-panel.collapsed .warning-banner{display:none}.results-panel.collapsed:before{content:"◀";font-size:18px;color:var(--text-secondary);text-align:center;cursor:pointer}.collapse-toggle{align-self:flex-end;background:transparent;border:1px solid var(--border-color);border-radius:4px;padding:4px 10px;font-size:12px;cursor:pointer;color:var(--text-secondary);margin-bottom:4px}.collapse-toggle:hover{background:var(--bg-primary)}.section{padding:8px 10px;border:1px solid var(--border-color);border-radius:var(--radius);background:var(--bg-panel)}.section-title{font-size:11px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px;display:flex;align-items:center;gap:5px}.section-icon{font-size:13px}.metric-row{display:flex;justify-content:space-between;padding:2px 0;font-size:11px;gap:6px}.metric-label{color:var(--text-secondary);flex-shrink:0}.metric-value{color:var(--text-primary);font-weight:500;font-family:SF Mono,Monaco,monospace;text-align:right;word-break:break-all}.metric-value.highlight{color:var(--accent-primary);font-weight:600}.upload-zone{flex:1;display:flex;align-items:center;justify-content:center;padding:32px}.upload-box{width:100%;max-width:600px;padding:64px 32px;border:2px dashed var(--border-color);border-radius:var(--radius);text-align:center;background:var(--bg-panel);cursor:pointer;transition:all .2s}.upload-box:hover,.upload-box.active{border-color:var(--accent-primary);background:#ebf8ff}.upload-icon{font-size:64px;margin-bottom:16px;color:var(--text-tertiary)}.upload-title{font-size:18px;font-weight:600;margin-bottom:8px;color:var(--text-primary)}.upload-hint{color:var(--text-secondary);font-size:14px}.canvas-container{flex:1;position:relative;overflow:hidden;background:transparent}.canvas-controls{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius);padding:6px 8px;display:flex;flex-direction:column;gap:4px}.canvas-controls-row{display:flex;align-items:center;gap:4px}.cc-btn{min-width:28px;height:26px;border:1px solid var(--border-color);background:var(--bg-panel);border-radius:4px;font-size:14px;font-weight:600;cursor:pointer;color:var(--text-primary);transition:background .15s}.cc-btn:hover{background:var(--bg-primary);border-color:var(--accent-primary)}.cc-btn-wide{flex:1;font-size:12px;padding:0 8px}.cc-zoom-level{font-size:11px;font-family:SF Mono,Monaco,monospace;color:var(--text-secondary);min-width:36px;text-align:right}.cc-coord-readout{font-size:11px;font-family:SF Mono,Monaco,monospace;color:var(--text-secondary);padding:2px 4px;flex:1}.cc-pan-hint{font-size:10px;color:var(--accent-warning);padding:2px 0 0}.cc-csvl-row{border-top:1px dashed var(--border-color);padding-top:3px;margin-top:1px}.cc-csvl-readout{font-size:10px;font-family:SF Mono,Monaco,monospace;color:var(--text-tertiary);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cc-csvl-readout.moved{color:var(--accent-warning);font-weight:600}.cc-csvl-default{color:var(--text-tertiary);font-style:italic}.cc-btn-tiny{min-width:22px;height:20px;font-size:10px;padding:0 4px}.mode-switch{display:flex;align-items:center;gap:8px;padding:8px 16px;background:var(--bg-primary);border-radius:999px;border:1px solid var(--border-color)}.mode-switch-angle{font-size:24px;font-weight:700;color:var(--accent-primary);font-family:SF Mono,Monaco,monospace}.mode-switch-label{font-size:11px;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:1px}.mode-switch-button{padding:4px 12px;background:var(--accent-primary);color:#fff;border-radius:999px;font-size:12px;cursor:pointer;border:none;font-weight:600}.warning-banner{padding:6px 10px;background:#fef5e7;border:1px solid #f6ad55;border-radius:var(--radius);color:#7c2d12;font-size:11px;margin-bottom:6px}.manual-pt-toolbar{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:8px}.manual-pt-toolbar .btn{flex:1 1 auto;font-size:11px;padding:5px 6px;white-space:nowrap;border-radius:4px}.manual-pt-toolbar .btn:first-child:not(:disabled){background:#ebf8ff;border-color:#4299e1;color:#2b6cb0;font-weight:600}.manual-pt-toolbar .btn:first-child:not(:disabled):hover{background:#bee3f8;border-color:#2b6cb0}.btn.btn-sm{font-size:11px;padding:4px 8px}.risser-bar{display:flex;height:20px;border-radius:4px;overflow:hidden;margin:6px 0}.risser-segment{flex:1;background:#e2e8f0;border-right:1px solid white;display:flex;align-items:center;justify-content:center;font-size:9px;color:var(--text-tertiary)}.risser-segment:last-child{border-right:none}.risser-segment.active{background:var(--accent-primary);color:#fff}.nash-moe-gauge{display:flex;gap:2px;margin:6px 0}.nash-moe-dot{flex:1;height:18px;background:#e2e8f0;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:10px;color:var(--text-tertiary)}.nash-moe-dot.active{background:var(--accent-warning);color:#fff;font-weight:600}.loading{display:flex;align-items:center;justify-content:center;height:100%;font-size:14px;color:var(--text-secondary)}.error{padding:16px;background:#fed7d7;color:#742a2a;border-radius:var(--radius);font-size:14px}.canvas-toolbar{display:flex;gap:8px;padding:8px;background:var(--bg-panel);border-radius:var(--radius);border:1px solid var(--border-color);margin-bottom:8px;align-items:center}.toolbar-button{padding:4px 10px;font-size:12px;background:transparent;border:1px solid var(--border-color);border-radius:4px;cursor:pointer;color:var(--text-secondary)}.toolbar-button:hover{background:var(--bg-primary)}.toolbar-button.active{background:var(--accent-primary);color:#fff;border-color:var(--accent-primary)}.legend{display:flex;gap:8px;flex-wrap:wrap;font-size:10px;color:var(--text-secondary);padding:4px 0}.legend-item{display:flex;align-items:center;gap:3px}.legend-color{width:10px;height:10px;border-radius:2px}.legend-color.apical{background:#e53e3e}.legend-color.end{background:#d69e2e}.legend-color.vertebra{background:#3182ce}.legend-color.upper-line{background:#38a169}.legend-color.lower-line{background:#ed8936}.legend-color.csvl{background:#1a202c}.bv-selector{display:flex;align-items:center;gap:6px;padding:6px 10px;border:1px solid var(--border-color);border-radius:var(--radius);background:var(--bg-panel)}.bv-label{font-size:13px;color:var(--text-secondary)}.bv-select{border:none;background:transparent;font-size:14px;font-weight:600;color:var(--text-primary);cursor:pointer;outline:none;padding:2px 4px}.bv-select:disabled{opacity:.5;cursor:not-allowed}.manual-step-card{background:snow;border:1.5px solid #fc8181;border-radius:6px;padding:8px 10px;font-size:12px;line-height:1.5;box-shadow:0 1px 3px #e53e3e14}.manual-step-card.manual-step-active{background:#fff5f5;border-color:#e53e3e}.manual-step-card.manual-step-active .manual-step-current{color:#c53030;font-size:13px}.manual-step-card.manual-step-start{background:#ebf8ff;border-color:#90cdf4}.manual-step-card.manual-step-pending{background:#fffaf0;border-color:#f6ad55}.manual-step-card.manual-step-pending .manual-step-progress{color:var(--accent-warning)}.manual-step-label{font-size:10px;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.4px;margin-bottom:4px}.manual-step-current{font-size:13px;font-weight:700;color:var(--text-primary);margin-bottom:4px;letter-spacing:.1px}.manual-step-desc{color:var(--text-secondary);font-size:11.5px;margin-bottom:6px;line-height:1.5}.manual-step-list{margin:4px 0 4px 16px;padding:0;color:var(--text-secondary)}.manual-step-list li{margin-bottom:2px}.manual-step-progress{font-size:11px;font-weight:700;color:var(--accent-danger);margin-top:6px;padding-top:6px;border-top:1px dashed rgba(229,62,62,.25);display:flex;align-items:center;justify-content:space-between;gap:8px}.manual-step-dots{display:inline-flex;align-items:center;gap:5px}.manual-step-dot{width:9px;height:9px;border-radius:50%;border:1.5px solid #fc8181;background:transparent;transition:background .15s,border-color .15s,transform .15s}.manual-step-dot.filled{background:#e53e3e;border-color:#e53e3e}.manual-step-dot.current{border-color:#e53e3e;background:#fff;transform:scale(1.2);box-shadow:0 0 0 2px #e53e3e40}.manual-step-start .manual-step-progress{color:var(--accent-primary)}.manual-status{font-size:11px;color:var(--accent-primary);padding:4px 0}.manual-results{display:flex;flex-direction:column;gap:6px}.manual-results-header{font-size:11px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.4px}.manual-curve-row{background:var(--bg-primary);border-radius:4px;padding:4px 0}.manual-curve-angle{display:inline-flex;align-items:center;gap:8px}.manual-curve-angle .metric-value.highlight{font-weight:800;font-size:1.15em}.manual-curve-delete{background:transparent;border:1px solid var(--border-color);color:#e53e3e;border-radius:4px;padding:1px 6px;font-size:11px;cursor:pointer;line-height:1.4;transition:background .15s,border-color .15s}.manual-curve-delete:hover{background:#e53e3e1f;border-color:#e53e3e}.manual-clear-all{background:transparent;color:#6b46c1;border:1px solid #d6bcfa}.manual-clear-all:hover{background:#faf5ff;border-color:#9f7aea}.manual-preview-angle{display:flex;align-items:baseline;justify-content:space-between;padding:8px 12px;margin:6px 0 4px;background:#f7fafc;border:1px dashed #cbd5e0;border-radius:6px;font-size:13px;color:#4a5568}.manual-preview-angle-label{font-weight:400;font-size:12px;color:#718096}.manual-preview-angle-value{font-weight:400;font-size:18px;color:#4a5568;font-variant-numeric:tabular-nums}.curve-block{padding:2px 0 4px}.image-adjustments{background:var(--bg-panel);border:1px solid var(--border-color);border-radius:var(--radius);padding:8px 10px;display:flex;flex-direction:column;gap:5px;flex-shrink:0}.image-adjustments .section-title{margin-bottom:2px}.adj-reset{margin-left:auto;background:transparent;border:1px solid var(--border-color);color:var(--text-secondary);border-radius:4px;padding:1px 6px;font-size:10px;cursor:pointer}.adj-reset:hover{background:var(--bg-primary);border-color:var(--accent-primary);color:var(--accent-primary)}.adj-row{display:flex;align-items:center;gap:6px}.adj-label{font-size:10px;color:var(--text-secondary);flex-shrink:0;min-width:38px}.adj-slider{flex:1;height:16px;cursor:pointer;accent-color:var(--accent-primary)}.adj-val{font-size:10px;font-family:SF Mono,Monaco,monospace;color:var(--text-tertiary);min-width:36px;text-align:right}.adj-toggle-row{display:flex;gap:4px;margin-top:2px}.adj-toggle{flex:1;padding:4px 6px;font-size:10px;background:var(--bg-panel);border:1px solid var(--border-color);border-radius:4px;cursor:pointer;color:var(--text-secondary);white-space:nowrap}.adj-toggle:hover{background:var(--bg-primary);border-color:var(--accent-primary)}.adj-toggle.active{background:var(--accent-primary);border-color:var(--accent-primary);color:#fff;font-weight:600}.adj-horiz-readout{display:flex;flex-direction:column;gap:3px;margin-top:3px;padding:5px 6px;background:var(--bg-primary);border-radius:4px;border:1px solid var(--border-color)}.adj-horiz-line{display:flex;align-items:center;gap:5px;font-size:10px}.adj-horiz-swatch{width:12px;height:3px;border-radius:1px;flex-shrink:0}.adj-horiz-label{color:var(--text-secondary);flex-shrink:0;min-width:36px}.adj-horiz-val{font-family:SF Mono,Monaco,monospace;color:var(--text-primary);margin-left:auto}.adj-horiz-delta{display:flex;align-items:center;gap:5px;font-size:10px;padding-top:3px;border-top:1px dashed var(--border-color);margin-top:1px}.adj-horiz-delta-val{color:var(--accent-primary);font-weight:600}.adj-horiz-mm{color:var(--text-tertiary);font-weight:400}