:root{--bg:#f4f5f7;--panel:#fff;--panel2:#eef0f3;--fg:#1d2129;--muted:#5f6673;--line:#d6d9df;--accent:#2563eb;--accent-fg:#fff;--ok:#15803d;--warn:#b45309;--err:#b91c1c;--chart-bg:#fff;--grid:#e3e6ea;--grid-strong:#b9bec7;--chart-fg:#4a5160;--ref-line:#d97706;--cut:#e11d1d;--engrave:#1d4ed8;--sheet:#fff;color:var(--fg);background:var(--bg);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0f1115;--panel:#171a21;--panel2:#1f232c;--fg:#e6e8ec;--muted:#9aa1ad;--line:#2c313c;--accent:#3b82f6;--ok:#4ade80;--warn:#fbbf24;--err:#f87171;--chart-bg:#0b0d11;--grid:#1f242d;--grid-strong:#3a414e;--chart-fg:#a3aab6;--ref-line:#f59e0b;--cut:#ff5a5a;--engrave:#5b9bff;--sheet:#14171d;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--bg:#0f1115;--panel:#171a21;--panel2:#1f232c;--fg:#e6e8ec;--muted:#9aa1ad;--line:#2c313c;--accent:#3b82f6;--ok:#4ade80;--warn:#fbbf24;--err:#f87171;--chart-bg:#0b0d11;--grid:#1f242d;--grid-strong:#3a414e;--chart-fg:#a3aab6;--ref-line:#f59e0b;--cut:#ff5a5a;--engrave:#5b9bff;--sheet:#14171d;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg)}button,select,input{font:inherit;color:inherit}button{background:var(--panel2);border:1px solid var(--line);cursor:pointer;white-space:nowrap;border-radius:6px;padding:5px 10px}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.45;cursor:default}button.danger{color:var(--err)}button.small{padding:2px 7px;font-size:12px}button.link{text-align:left;white-space:normal;background:0 0;border:none;padding:0}select,input[type=number]{background:var(--panel);border:1px solid var(--line);border-radius:6px;min-width:0;padding:4px 6px}input.bad{border-color:var(--err)}input[type=range]{accent-color:var(--accent)}label{color:var(--muted);font-size:12px}:focus-visible{outline:2px solid var(--accent);outline-offset:1px}a{color:var(--accent)}.app{grid-template-rows:auto 1fr auto;min-height:100vh;display:grid}.toolbar{background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:baseline;gap:4px 12px;padding:8px 12px;display:flex}.toolbar .brand{font-size:16px;font-weight:700}.body{grid-template-columns:360px minmax(0,1fr);align-content:start;display:grid}.side{background:var(--panel);border-right:1px solid var(--line)}.panel{padding:10px 12px}.section{margin-bottom:14px}.section h3,.box h3{text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:0 0 6px;font-size:12px}.row{flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:6px;display:flex}.spacer{flex:1}.grid2{grid-template-columns:1fr 1fr;gap:0 6px;display:grid}.grid3{grid-template-columns:repeat(3,1fr);gap:0 6px;display:grid}.field{flex-direction:column;gap:2px;min-width:0;margin-bottom:6px;display:flex}.field input,.field select{width:100%;color:var(--fg);font-size:14px}.hint{color:var(--muted);margin:0 0 6px;font-size:12px;line-height:1.4}.err-text{color:var(--err)}.ok-text{color:var(--ok)}.warn-text{color:var(--warn)}.card{border:1px solid var(--line);background:var(--panel);border-radius:8px;margin-bottom:8px;padding:8px}input[type=text]{background:var(--panel);border:1px solid var(--line);border-radius:6px;min-width:0;padding:4px 6px}.check{color:var(--fg);align-items:center;gap:6px;margin-bottom:6px;font-size:13px;display:flex}.grow{flex:1;min-width:120px}.summary{font-variant-numeric:tabular-nums;margin:0 0 8px}.tabs{border-bottom:1px solid var(--line);margin-bottom:8px;padding-bottom:8px}.tab{background:0 0;border-color:#0000}.tab.on{border-color:var(--accent);background:var(--panel2);font-weight:600}.sheet{border:1px solid var(--line);background:var(--chart-bg);border-radius:6px;width:100%;height:auto;max-height:70vh;display:block}.sheet-bg{fill:var(--sheet);stroke:var(--grid-strong);stroke-width:.5px;vector-effect:non-scaling-stroke}.cut-shape{fill:color-mix(in srgb, var(--cut) 7%, transparent);stroke:var(--cut);stroke-width:1.2px;vector-effect:non-scaling-stroke;stroke-linejoin:round}.cut-shape.over{fill:color-mix(in srgb, var(--warn) 25%, transparent)}.cut-line{fill:none;stroke:var(--cut);stroke-width:1px;vector-effect:non-scaling-stroke}.engrave-line{fill:none;stroke:var(--engrave);stroke-width:1.2px;vector-effect:non-scaling-stroke;stroke-linecap:round;stroke-linejoin:round}.part-label{fill:var(--muted);pointer-events:none;font-family:inherit}.main{flex-direction:column;gap:8px;min-width:0;padding:8px;display:flex}.box{background:var(--panel);border:1px solid var(--line);border-radius:8px;min-width:0;padding:8px}.verdict{margin:0 0 8px;font-size:16px;font-weight:600}.verdict.ok{color:var(--ok)}.verdict.err{color:var(--err)}.verdict.warn{color:var(--warn)}table.data{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%;font-size:13px}table.data td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:5px 6px}table.data td:first-child{white-space:nowrap}table.data tr.active td{background:var(--panel2)}.scene-canvas{background:var(--chart-bg);border:1px solid var(--line);border-radius:8px;height:460px;margin-bottom:6px;position:relative;overflow:hidden}.scene-canvas canvas{width:100%;height:100%;position:absolute;inset:0}.scene-msg{color:var(--muted);pointer-events:none;place-items:center;display:grid;position:absolute;inset:0}.scene .row input[type=range]{flex:1;min-width:120px}.foot{border-top:1px solid var(--line);margin:0;padding:8px 12px}@media (width<=800px){.body{grid-template-columns:minmax(0,1fr)}.main{order:-1}.side{border-right:none;border-bottom:1px solid var(--line)}.panel,.main,.toolbar,.foot{padding-left:16px;padding-right:16px}.scene-canvas{height:380px}button{min-height:36px}button.small{min-height:30px;padding:4px 9px}button.link{min-height:0}input[type=number],select{min-height:36px;font-size:16px}}@media (width<=420px){.grid3{grid-template-columns:1fr 1fr}}