:root{--primary:#4f46e5;--primary-hover:#4338ca;--bg:#f8fafc;--surface:#fff;--text:#1e293b;--text-secondary:#64748b;--border:#e2e8f0;--sidebar-width:380px;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--red:#ef4444}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.5}#app{flex-direction:column;min-height:100vh;display:flex}header{text-align:center;background:var(--surface);border-bottom:1px solid var(--border);padding:20px 20px 14px}header h1{color:var(--primary);margin-bottom:4px;font-size:24px;font-weight:700}header p{color:var(--text-secondary);font-size:13px}main{flex:1;display:flex;overflow:hidden}#controls{width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--surface);border-right:1px solid var(--border);scrollbar-width:thin;padding:16px;overflow-y:auto}.wizard-step{padding:4px}.tab-bar{border-bottom:2px solid var(--border);gap:0;margin-bottom:16px;display:flex}.tab-btn{color:var(--text-secondary);cursor:pointer;font-size:13px;font-weight:600;font-family:var(--font);background:0 0;border:none;border-bottom:2px solid #0000;flex:1;margin-bottom:-2px;padding:8px 12px;transition:all .2s}.tab-btn:hover{color:var(--primary)}.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary)}.tab-panel{display:none}.tab-panel.active{display:block}.control-group{border-bottom:1px solid var(--border);margin-bottom:16px;padding-bottom:16px}.control-group:last-child{border-bottom:none}.control-group h3{color:var(--text);text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px;font-size:13px;font-weight:600}.control-row{align-items:center;gap:8px;margin-bottom:8px;display:flex}.control-row label{color:var(--text-secondary);flex-shrink:0;min-width:90px;font-size:12px}.control-row input[type=text],.control-row input[type=number],.control-row select{border:1px solid var(--border);font-size:13px;font-family:var(--font);color:var(--text);background:var(--bg);border-radius:5px;flex:1;padding:6px 10px;transition:border-color .2s}.control-row input:focus,.control-row select:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #4f46e51a}.curve-selector{grid-template-columns:1fr 1fr;gap:6px;display:grid}.curve-btn{border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:11px;font-family:var(--font);cursor:pointer;text-align:center;border-radius:6px;padding:6px 8px;transition:all .15s}.curve-btn:hover{border-color:var(--primary);color:var(--primary)}.curve-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.curve-btn .color-dot{vertical-align:middle;border-radius:50%;width:8px;height:8px;margin-right:4px;display:inline-block}.data-viewer{margin-top:8px}.data-viewer table{border-collapse:collapse;table-layout:fixed;width:100%;font-size:11px}.data-viewer th{background:var(--bg);text-align:center;color:var(--text-secondary);border-bottom:1px solid var(--border);text-transform:uppercase;z-index:1;padding:4px 6px;font-size:10px;font-weight:600;position:sticky;top:0}.data-viewer td{text-align:center;border-bottom:1px solid var(--border);font-variant-numeric:tabular-nums;padding:3px 6px}.data-viewer tbody{max-height:250px;display:block;overflow-y:auto}.data-viewer thead,.data-viewer tbody tr{table-layout:fixed;width:100%;display:table}.checkbox-row{align-items:center;gap:6px;margin-bottom:8px;display:flex}.checkbox-row input[type=checkbox]{accent-color:var(--primary);width:15px;height:15px}.checkbox-row label{color:var(--text-secondary);cursor:pointer;font-size:12px}.btn{border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:12px;font-family:var(--font);cursor:pointer;border-radius:5px;padding:7px 14px;transition:all .2s}.btn:hover{background:var(--bg);border-color:var(--primary);color:var(--primary)}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover{background:var(--primary-hover)}#chart-container{background:var(--bg);flex:1;justify-content:center;align-items:center;padding:20px;display:flex;position:relative;overflow:auto}#chart{background:var(--surface);border-radius:12px;max-width:100%;max-height:100%;box-shadow:0 1px 3px #00000014,0 4px 12px #0000000a}#tooltip{color:#fff;pointer-events:none;opacity:0;white-space:nowrap;z-index:10;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0f172aeb;border-radius:6px;padding:8px 12px;font-size:12px;transition:opacity .15s;position:absolute}#tooltip.visible{opacity:1}footer{background:var(--surface);border-top:1px solid var(--border);justify-content:center;gap:10px;padding:10px 20px;display:flex}@media (width<=900px){main{flex-direction:column}#controls{border-right:none;border-bottom:1px solid var(--border);width:100%;min-width:100%;max-height:50vh}header h1{font-size:20px}}