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#00000008}.ff-piecewise-formula{background:var(--panel2);border:1px solid var(--line2);border-radius:8px;padding:10px 12px;margin:8px 0;overflow-x:auto;font-size:13px;line-height:1.6}.ff-piecewise-edit-table{width:100%;border-collapse:collapse;font-size:11.5px;margin-top:8px}.ff-piecewise-edit-table th{background:var(--panel2);padding:5px 6px;color:var(--dim);border-bottom:1px solid var(--line)}.ff-piecewise-edit-table td{padding:4px 6px;text-align:center;border-bottom:1px solid var(--line2)}.ff-piecewise-edit-table input{width:52px;padding:3px 4px;font-size:11.5px;text-align:center;border:1px solid var(--line2);border-radius:5px;background:var(--solid);color:var(--ink)}.pw-builder{display:flex;flex-direction:column;gap:8px;background:var(--panel2);border:1px solid var(--line);border-radius:14px;padding:12px 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transparent;background:transparent;color:var(--dim);cursor:pointer;font-size:16px;line-height:1;transition:all .15s;flex-shrink:0}.pw-del:hover{background:color-mix(in srgb,#ef4444 15%,transparent);color:#ef4444;border-color:color-mix(in srgb,#ef4444 30%,transparent)}.pw-del:disabled{opacity:.25;cursor:not-allowed}.pw-quick{display:flex;align-items:center;gap:8px;margin-top:4px}.pw-quick-label{font-size:11px;color:var(--dim);white-space:nowrap}.pw-quick-input{flex:1;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:11.5px;padding:4px 8px;border-radius:7px;border:1px dashed var(--line);background:var(--solid);color:var(--ink);outline:none}.pw-quick-input:focus{border-style:solid;border-color:var(--app)}.realmath-unified{display:flex;flex-direction:column;height:100%;overflow:hidden}.realmath-bar{flex-shrink:0;display:flex;gap:8px;padding:8px 12px;background:var(--bg2, rgba(0, 0, 0, .03));border-bottom:1px solid var(--line, rgba(0, 0, 0, .08));overflow-x:auto}.realmath-module{display:flex;flex-direction:row;align-items:stretch;height:calc(100vh - 118px);min-height:560px;padding:0 14px;overflow:hidden;box-sizing:border-box}.realmath-module>.stcol{overflow-y:auto;overflow-x:hidden;padding-right:10px;min-width:280px;max-width:400px;flex:0 0 350px}.realmath-module>.stcol .panel{padding:10px 12px;margin-bottom:8px;border-radius:12px}.realmath-module>.rm-vis{position:relative;top:auto;height:auto;min-height:0;min-width:360px;flex:1 1 0;display:flex;flex-direction:column;gap:8px;overflow:hidden}.vessel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-bottom:10px}.vessel-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;padding:8px 4px;border-radius:9px;border:1px solid var(--line, rgba(0, 0, 0, .1));background:var(--solid, #ffffff);cursor:pointer;transition:all .16s ease;text-align:center}.vessel-btn:hover{background:color-mix(in srgb,var(--app, #0284c7) 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#00000008;display:flex;flex-direction:column}.solid-canvas,.graph-canvas{width:100%!important;height:100%!important;flex:1;display:block}.graph-header{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:var(--bg2, rgba(0, 0, 0, .03));border-bottom:1px solid var(--line, rgba(0, 0, 0, .06));font-size:12px;font-weight:600}.gh-tit{color:var(--ink)}.gh-tag{font-size:10px;font-weight:700;text-transform:uppercase;padding:2px 6px;border-radius:4px;background:color-mix(in srgb,var(--app, #0284c7) 12%,transparent);color:var(--app, #0284c7)}.rm-title{font-size:13.5px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:6px}.rm-tag{font-size:10px;font-weight:700;text-transform:uppercase;padding:2px 6px;border-radius:4px;background:color-mix(in srgb,var(--app, #0284c7) 12%,transparent);color:var(--app, #0284c7);letter-spacing:.5px}.canvas-wrap{flex:1;position:relative;width:100%;height:100%;min-height:220px;overflow:hidden}.canvas-wrap 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.slider{flex:1}.s-card{background:var(--solid, #ffffff);border-radius:10px;border:1px solid var(--line, rgba(0, 0, 0, .08));padding:8px 10px;margin-bottom:8px}.s-title{font-size:11px;font-weight:700;color:var(--dim);margin-bottom:4px}.s-math{font-size:12px;overflow-x:auto}.s-metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:6px;margin-top:6px}.m-item{background:var(--bg2, rgba(0, 0, 0, .02));padding:7px 9px;border-radius:8px;border:1px solid var(--line, rgba(0, 0, 0, .06));display:flex;flex-direction:column;gap:2px}.m-lbl{font-size:10.5px;color:var(--dim)}.m-val{font-size:13px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}.m-val.highlight{color:#0284c7}.m-val.speed{color:#ea580c}.solution-box{display:flex;flex-direction:column;gap:8px}.sol-step{display:flex;gap:10px;font-size:12px;line-height:1.5}.sol-num{width:22px;height:22px;border-radius:50%;background:var(--app, 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