:root{--bg: #f4f1ec;--panel: #fffdfa;--ink: #2a241c;--muted: #7b7063;--line: #e2dbd0;--accent: #b5651d;--accent-ink: #fff;--wood: #e8d2a6;--wood-edge: #8a6a3a;--sheet: #f3e7cf;--sheet-edge: #b9a27a;--cut: #d3452f;--pocket: #3d8b5a;--guide: #8b3fb3;--shared: #1f8a8a;color-scheme:light}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #1b1915;--panel: #24211c;--ink: #eee6da;--muted: #a39887;--line: #3a352d;--accent: #e08a3c;--accent-ink: #1b1915;--wood: #c9a96e;--wood-edge: #f0d9a8;--sheet: #3a3226;--sheet-edge: #6f5f45;--cut: #ff7a63;--pocket: #6fd394;--guide: #c98bf0;--shared: #4fd1c5;color-scheme:dark}}:root[data-theme=dark]{--bg: #1b1915;--panel: #24211c;--ink: #eee6da;--muted: #a39887;--line: #3a352d;--accent: #e08a3c;--accent-ink: #1b1915;--wood: #c9a96e;--wood-edge: #f0d9a8;--sheet: #3a3226;--sheet-edge: #6f5f45;--cut: #ff7a63;--pocket: #6fd394;--guide: #c98bf0;--shared: #4fd1c5;color-scheme:dark}*{box-sizing:border-box}[hidden]{display:none!important}html,body{margin:0;height:100%}body{background:var(--bg);color:var(--ink);font:14px/1.4 ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}button,input,select{font:inherit;color:inherit}.app{display:grid;grid-template-columns:320px 1fr;height:100vh}.side{background:var(--panel);border-right:1px solid var(--line);overflow-y:auto;padding:18px 18px 40px}.brand h1{margin:0;font-size:22px;letter-spacing:-.02em}.brand p{margin:2px 0 0;color:var(--muted)}section{margin-top:20px;display:grid;gap:8px}section h2{margin:0;font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}label{display:grid;gap:4px;font-size:13px;color:var(--muted)}label.check{display:flex;align-items:center;gap:8px;color:var(--ink);cursor:pointer}label.check input{margin:0;accent-color:var(--accent)}input[type=number],select{width:100%;padding:7px 9px;border:1px solid var(--line);border-radius:6px;background:var(--bg)}.row2{display:grid;grid-template-columns:1fr 1fr;gap:8px}.hint{margin:0;font-size:12px;color:var(--muted)}.count{font-weight:400;text-transform:none;letter-spacing:0}.drop{display:grid;place-items:center;gap:2px;text-align:center;padding:18px 12px;border:1.5px dashed var(--sheet-edge);border-radius:10px;background:var(--bg);cursor:pointer;color:var(--ink)}.drop:hover{border-color:var(--accent)}.drop span{color:var(--muted);font-size:12px}.drop strong{word-break:break-all}.seg{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;border:1px solid var(--line);border-radius:7px;overflow:hidden}.seg button{border:0;background:var(--bg);padding:7px 6px;cursor:pointer}.seg button+button{border-left:1px solid var(--line)}.seg button.on{background:var(--ink);color:var(--bg)}.primary{border:0;background:var(--accent);color:var(--accent-ink);padding:9px 12px;border-radius:7px;cursor:pointer;font-weight:600}.ghost{border:1px solid var(--line);background:var(--panel);padding:5px 10px;border-radius:6px;cursor:pointer;font-size:12px}.ghost:hover,.primary:hover{filter:brightness(1.05)}.parts{display:grid;gap:2px}.part{display:grid;grid-template-columns:18px 1fr 52px;gap:8px;align-items:center;padding:5px 4px;border-radius:6px}.part:hover,.part.hot{background:var(--bg)}.part .name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.part .dims{display:block;font-size:11px;color:var(--muted)}.part input[type=number]{padding:4px 6px}.part.off .name{opacity:.5}.main{display:grid;grid-template-rows:auto 1fr;min-width:0;min-height:0}.tabs{display:flex;align-items:center;gap:4px;padding:10px 16px;border-bottom:1px solid var(--line);background:var(--panel)}.tabs button[data-tab]{border:0;background:none;padding:6px 12px;border-radius:6px;cursor:pointer;color:var(--muted)}.tabs button[data-tab].on{background:var(--bg);color:var(--ink);font-weight:600}.status{margin-left:auto;color:var(--muted);font-size:13px}.status.busy:before{content:"";display:inline-block;width:10px;height:10px;margin-right:8px;border:2px solid var(--accent);border-right-color:transparent;border-radius:50%;animation:spin .8s linear infinite;vertical-align:-1px}@keyframes spin{to{transform:rotate(360deg)}}.pane{overflow:auto;min-height:0;position:relative}#sheetsPane{padding:20px}.empty{max-width:460px;margin:12vh auto;text-align:center;color:var(--muted)}.empty h2{color:var(--ink)}.group{margin-bottom:28px}.group>h3{margin:0 0 12px;font-size:16px}.group>h3 small{font-weight:400;color:var(--muted);margin-left:8px}.sheetCard{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px;margin-bottom:16px}.sheetHead{display:flex;align-items:center;gap:10px;margin-bottom:8px;flex-wrap:wrap}.sheetHead b{font-size:14px}.sheetHead .meta{color:var(--muted);font-size:13px}.sheetHead .actions{margin-left:auto;display:flex;gap:6px}.sheetCard svg{width:100%;height:auto;display:block}.warn{background:#f6d9cf;color:#7a2412;padding:10px 12px;border-radius:8px;margin-bottom:12px}svg *{vector-effect:non-scaling-stroke}svg .sheetRect{fill:var(--sheet);stroke:var(--sheet-edge);stroke-width:1.5px}svg .marginRect{fill:none;stroke:var(--sheet-edge);stroke-dasharray:4 4;stroke-width:1px}svg .piece{fill:var(--wood);stroke:var(--cut);stroke-width:1.5px;fill-rule:evenodd}svg .piece:hover,svg .piece.hot{fill:color-mix(in srgb,var(--wood) 70%,var(--accent))}svg .pocket{fill:color-mix(in srgb,var(--pocket) 25%,transparent);stroke:var(--pocket);stroke-dasharray:4 3;stroke-width:1px}svg .lbl{fill:var(--ink);pointer-events:none;font-weight:600}svg .lbl tspan.d{font-weight:400;fill:var(--muted)}svg .guide{stroke:var(--guide);stroke-dasharray:5 4;stroke-width:1.25px}svg .guide.d0{stroke-width:3px;stroke-dasharray:12 5}svg .guide.d1{stroke-width:2px;stroke-dasharray:8 5}svg .badge{fill:var(--guide)}svg .badgeTxt{fill:var(--panel);font-weight:700;pointer-events:none}svg.cutsOn .piece{stroke:none}svg .cutSeg{stroke:var(--cut);stroke-width:1.5px;fill:none;stroke-linecap:round}svg .cutSeg.shared{stroke:var(--shared);stroke-width:3.5px}svg .plunge{fill:var(--panel);stroke:var(--cut);stroke-width:2px}.cutStats{font-size:13px;color:var(--muted);margin:-2px 0 8px;display:flex;gap:14px;flex-wrap:wrap}.cutStats b{color:var(--ink);font-weight:600}.cutStats .key{display:inline-flex;align-items:center;gap:6px}.cutStats .swatch{width:18px;height:0;border-top:3.5px solid var(--shared);display:inline-block}details.steps{margin-top:8px;font-size:13px}details.steps summary{cursor:pointer;color:var(--muted)}details.steps ol{margin:6px 0 0;padding-left:20px}details.steps li{white-space:pre-wrap}#viewPane{overflow:hidden}#view3d{position:absolute;top:0;right:0;bottom:0;left:0}#view3d canvas{display:block}.player{position:absolute;left:50%;bottom:18px;transform:translate(-50%);display:flex;gap:10px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:6px 14px 6px 6px;width:min(520px,calc(100% - 32px))}.player button{width:34px;height:34px;border-radius:50%;border:0;background:var(--accent);color:var(--accent-ink);cursor:pointer;flex:none}.player input{flex:1;accent-color:var(--accent)}.dropOverlay{position:fixed;top:0;right:0;bottom:0;left:0;display:none;place-items:center;font-size:22px;font-weight:600;background:color-mix(in srgb,var(--bg) 85%,transparent);border:3px dashed var(--accent);z-index:10}.dropOverlay.on{display:grid}@media(max-width:760px){.app{grid-template-columns:1fr;grid-template-rows:auto 1fr;height:auto;min-height:100vh}.side{border-right:0;border-bottom:1px solid var(--line);padding:16px}.main{min-height:80vh}#sheetsPane{padding:16px}#viewPane{min-height:70vh}}.repack{width:100%;padding:10px 12px;animation:pop .18s ease-out}@keyframes pop{0%{transform:translateY(-4px);opacity:0}}