:root{--accent: #2563eb;--accent-soft: #e8efff;--accent-ink: #1e40af;--ink: #0f172a;--ink-2: #334155;--muted: #64748b;--line: #e2e8f0;--bg: #f4f6fa;--panel: #ffffff;--vp-bg: #eef1f6;--ok: #16a34a;--bad: #dc2626;--radius: 12px;--shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 4px 16px rgba(15, 23, 42, .06);--panel-w: 380px;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);-webkit-font-smoothing:antialiased}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);overflow:hidden}button{font:inherit;color:inherit;cursor:pointer}svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}svg.fill{fill:currentColor;stroke:none}.app{display:grid;grid-template-columns:1fr var(--panel-w);height:100dvh}.viewport{position:relative;overflow:hidden;background:radial-gradient(ellipse at 50% 30%,#fbfcfe 0%,var(--vp-bg) 70%)}#scene{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block;touch-action:none;outline:none}#labels{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.vp-top{position:absolute;top:16px;left:16px;right:16px;display:flex;justify-content:space-between;align-items:flex-start;gap:12px;pointer-events:none;flex-wrap:wrap}.vp-top>*{pointer-events:auto}.brand{display:flex;gap:10px;align-items:center;background:#ffffffd9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:8px 14px 8px 8px;border-radius:14px;box-shadow:var(--shadow)}.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:18px}.brand-title{font-weight:700;font-size:15px}.brand-sub{font-size:12px;color:var(--muted)}.vp-tools{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.seg{display:inline-flex;background:#ffffffe6;border:1px solid var(--line);border-radius:10px;padding:3px;gap:2px;box-shadow:var(--shadow)}.seg button{border:0;background:transparent;padding:7px 12px;border-radius:7px;font-size:13px;font-weight:500;color:var(--ink-2);display:inline-flex;align-items:center;gap:6px;transition:background .15s,color .15s}.seg button:hover{background:#f1f5f9}.seg button.on{background:var(--ink);color:#fff}.seg button small{font-size:11px;opacity:.65;font-weight:400}.seg.wide{display:flex;width:100%;box-shadow:none;background:#f8fafc}.seg.wide button{flex:1;justify-content:center;padding:9px 10px}.seg.wide button svg{width:16px;height:16px}.pill-toggle{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);background:#ffffffe6;padding:8px 12px;border-radius:10px;font-size:13px;font-weight:500;box-shadow:var(--shadow);color:var(--muted)}.pill-toggle .dot{width:8px;height:8px;border-radius:50%;background:#cbd5e1;transition:background .15s}.pill-toggle.on{color:var(--ink)}.pill-toggle.on .dot{background:var(--accent)}.icon-btn{width:36px;height:36px;display:inline-grid;place-items:center;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--ink-2);transition:background .15s,color .15s,opacity .15s}.icon-btn:hover:not(:disabled){background:#f1f5f9;color:var(--ink)}.icon-btn:disabled{opacity:.35;cursor:default}.icon-btn.danger:hover:not(:disabled){color:var(--bad);background:#fef2f2}.vp-tools .icon-btn{box-shadow:var(--shadow)}.hints{position:absolute;left:16px;bottom:16px;display:flex;gap:14px;font-size:12px;color:var(--muted);background:#ffffffbf;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);padding:8px 12px;border-radius:10px;flex-wrap:wrap;pointer-events:none}kbd{font:600 11px/1 Inter,sans-serif;background:#fff;border:1px solid var(--line);border-bottom-width:2px;padding:3px 6px;border-radius:5px;color:var(--ink-2);margin-right:3px}.hud{position:absolute;right:16px;bottom:16px;font-size:12px;font-weight:600;background:var(--ink);color:#fff;padding:6px 10px;border-radius:8px;opacity:0;transform:translateY(4px);transition:opacity .15s,transform .15s;pointer-events:none}.hud.show{opacity:.92;transform:none}.hud.bad{background:var(--bad)}.toast{position:absolute;left:50%;top:84px;transform:translate(-50%,-8px);background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px;font-size:13px;font-weight:500;opacity:0;transition:opacity .2s,transform .2s;pointer-events:none;box-shadow:var(--shadow);white-space:nowrap}.toast.show{opacity:1;transform:translate(-50%)}.start-hint{position:absolute;top:76px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--ink-2);background:#ffffffe6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:9px 14px;border-radius:999px;box-shadow:var(--shadow);pointer-events:none;white-space:nowrap;transition:opacity .25s,transform .25s}.start-hint svg{width:16px;height:16px;color:var(--accent)}.start-hint.hide{opacity:0;transform:translate(-50%,-6px)}.preset-rail{position:absolute;left:16px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:6px;padding:10px 8px;background:#ffffffe0;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:14px;box-shadow:var(--shadow);max-height:calc(100% - 180px);overflow-y:auto}.rail-title{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);text-align:center;line-height:1.25;padding-bottom:4px}#railPresets{display:flex;flex-direction:column;gap:4px}.rail-btn{display:flex;flex-direction:column;align-items:center;gap:4px;width:70px;padding:7px 4px 6px;border:1px solid transparent;background:transparent;border-radius:10px;font-size:11px;font-weight:500;color:var(--ink-2);transition:background .15s,border-color .15s,transform .1s}.rail-btn:hover{background:var(--accent-soft);border-color:#c7d6fb;color:var(--accent-ink)}.rail-btn:active{transform:scale(.96)}.rail-btn svg{width:46px;height:32px;stroke:none}.rail-btn svg circle{fill:#94a3b8}.rail-btn svg circle.up{fill:var(--accent)}.rail-btn:hover svg circle{fill:var(--accent)}.dim-label{font:600 12px/1 Inter,sans-serif;background:var(--ink);color:#fff;padding:5px 8px;border-radius:6px;white-space:nowrap;box-shadow:0 2px 8px #00000026}.grp-label{font:700 11px/1 Inter,sans-serif;color:#fff;background:#0f172ac7;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;box-shadow:0 1px 4px #0003}.term-label{font:700 11px/1 Inter,sans-serif;color:#fff;padding:4px 7px;border-radius:6px}.term-label.pos{background:#dc2626}.term-label.neg{background:#111827}.panel{background:var(--panel);border-left:1px solid var(--line);display:flex;flex-direction:column;min-height:0}.panel-scroll{flex:1;overflow-y:auto;padding:8px 20px 20px}.step{padding:18px 0;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}.step header,.step summary{display:flex;align-items:center;gap:10px;margin-bottom:14px}.step h3{margin:0;font-size:14.5px;font-weight:600;flex:1}.num{width:22px;height:22px;border-radius:50%;background:var(--accent-soft);color:var(--accent-ink);font-size:12px;font-weight:700;display:grid;place-items:center;flex:none}.count-badge{font-size:12.5px;color:var(--muted)}.count-badge b{font-size:15px;color:var(--ink);font-variant-numeric:tabular-nums}.row{display:flex;gap:8px;align-items:center}.history{display:flex;gap:4px}.field-label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin:14px 0 6px;text-transform:uppercase;letter-spacing:.04em}.muted{color:var(--muted)}.small{font-size:12.5px;line-height:1.5;margin:0 0 10px}.cell-cards{display:grid;gap:8px}.cell-card{display:flex;align-items:center;gap:12px;padding:12px;border:1.5px solid var(--line);border-radius:var(--radius);background:#fff;text-align:left;transition:border-color .15s,box-shadow .15s}.cell-card.on{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.cell-card .cell-ico{width:18px;height:46px;border-radius:5px;background:linear-gradient(90deg,#1d4ed8,#3b82f6 45%,#1e3a8a);position:relative;flex:none}.cell-card .cell-ico:before{content:"";position:absolute;top:-3px;left:5px;width:8px;height:4px;border-radius:1px;background:#cbd5e1}.cell-card b{display:block;font-size:14px}.cell-card span{font-size:12.5px;color:var(--muted)}.cell-card .spec{margin-left:auto;text-align:right;font-size:11.5px;color:var(--muted);line-height:1.5}.preset-row{display:flex;flex-wrap:wrap;gap:6px}.chip{border:1px solid var(--line);background:#fff;padding:6px 11px;border-radius:999px;font-size:12.5px;font-weight:500;color:var(--ink-2);transition:all .15s}.chip:hover{border-color:var(--accent);color:var(--accent-ink);background:var(--accent-soft)}.sp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.sp{position:relative;border:1.5px solid var(--line);background:#fff;border-radius:10px;padding:9px 6px;text-align:center;transition:border-color .15s,box-shadow .15s,transform .1s}.sp b{display:block;font-size:15px;font-weight:700}.sp span{font-size:11.5px;color:var(--muted)}.sp:hover:not(:disabled){border-color:#94a3b8}.sp:active:not(:disabled){transform:scale(.97)}.sp.on{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.sp.on b{color:var(--accent-ink)}.sp:disabled{opacity:.4;cursor:not-allowed;background:#f8fafc}.sp:disabled b{text-decoration:line-through;text-decoration-thickness:1px}.sp .tag{position:absolute;top:-7px;right:6px;font-size:9.5px;font-weight:700;background:var(--accent);color:#fff;padding:2px 5px;border-radius:4px;letter-spacing:.03em}.hint-box{grid-column:1 / -1;font-size:12px;color:var(--ink-2);background:#fffbeb;border:1px solid #fde68a;padding:8px 10px;border-radius:8px;line-height:1.45}.dims{background:var(--ink);color:#fff;border-radius:var(--radius);padding:14px 16px}.dims-label{font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;opacity:.6;font-weight:600}.dims-value{font-size:22px;font-weight:700;margin-top:4px;font-variant-numeric:tabular-nums;letter-spacing:-.01em}.dims-value small{font-size:13px;opacity:.6;font-weight:500}.dims-sub{font-size:12px;opacity:.65;margin-top:3px}.stats{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}.stat{border:1px solid var(--line);border-radius:10px;padding:9px 11px}.stat span{display:block;font-size:11.5px;color:var(--muted)}.stat b{font-size:16px;font-variant-numeric:tabular-nums}.stat b small{font-size:12px;color:var(--muted);font-weight:500}.stat.wide{grid-column:1 / -1}details summary{cursor:pointer;list-style:none}details summary::-webkit-details-marker{display:none}.breakdown{margin-top:10px;font-size:12.5px}.breakdown summary{color:var(--accent-ink);font-weight:500;margin:0}.breakdown table{width:100%;border-collapse:collapse;margin-top:8px;font-variant-numeric:tabular-nums}.breakdown td,.breakdown th{padding:5px 4px;border-bottom:1px solid var(--line);text-align:right}.breakdown th{font-weight:600;color:var(--muted);font-size:11.5px}.breakdown td:first-child,.breakdown th:first-child{text-align:left;color:var(--ink-2)}.breakdown tr.total td{font-weight:700;border-bottom:0;color:var(--ink)}.advanced summary{margin-bottom:0}.advanced[open] summary{margin-bottom:14px}.advanced summary:after{content:"▾";color:var(--muted);transition:transform .15s}.advanced[open] summary:after{transform:rotate(180deg)}.params{display:grid;gap:8px}.param{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--ink-2)}.param input{width:76px;padding:6px 8px;border:1px solid var(--line);border-radius:7px;font:inherit;text-align:right;font-variant-numeric:tabular-nums}.param input:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}.param em{font-style:normal;color:var(--muted);font-size:11px;display:block}.link-btn{margin-top:10px;background:none;border:0;color:var(--accent-ink);font-size:12.5px;padding:0}.panel-foot{border-top:1px solid var(--line);padding:14px 20px calc(14px + env(safe-area-inset-bottom));display:grid;gap:10px;background:#fff}.foot-summary{font-size:13px;color:var(--ink-2);font-weight:500}.foot-summary b{color:var(--ink)}.foot-actions{display:flex;gap:8px}.btn{border:0;border-radius:10px;padding:12px 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h3{margin:0;font-size:17px}.modal-summary{padding:12px 18px;font-size:13.5px;color:var(--ink-2);line-height:1.6}.modal-card pre{margin:0 18px;padding:12px;background:#0f172a;color:#cbd5e1;border-radius:10px;font-size:11.5px;overflow:auto;flex:1;min-height:120px}.modal-card footer{display:flex;gap:8px;padding:14px 18px 18px;justify-content:flex-end}.modal-card footer .btn.primary{flex:none}@media(max-width:900px){.app{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr) auto}.panel{border-left:0;border-top:1px solid var(--line);max-height:48dvh;border-radius:16px 16px 0 0;box-shadow:0 -6px 24px #0f172a14}.panel-scroll{padding:0 16px 12px}.panel-foot{padding:10px 16px calc(10px + env(safe-area-inset-bottom))}.vp-top{top:10px;left:10px;right:10px}.brand-sub,.hints{display:none}.start-hint{top:104px;white-space:normal;width:max-content;max-width:calc(100% - 32px);text-align:center;font-size:12.5px}.preset-rail{top:auto;bottom:10px;left:10px;right:10px;transform:none;flex-direction:row;align-items:center;overflow-x:auto;overflow-y:hidden;max-height:none;padding:6px 8px}.rail-title{display:none}#railPresets{flex-direction:row}.rail-btn{width:64px;flex:none}.toast{top:64px}}.sp-grid.stale{opacity:.55;transition:opacity .1s;pointer-events:none}