:root{--bg: #F7F6F2;--panel: #FFFFFF;--fg: #1B1F24;--mut: #646A73;--line: #D8D5CE;--line-soft: #E9E7E1;--acc: #1E5AA8;--acc-soft: #DCE7F6;--warn: #B4541F;--good: #2E7D5B;--a1: #FBEEC5;--a2: #F9E9B8;--a3: #F7E4AB;--b1: #FDE7BE;--b2: #FEEBC8;--b3: #FADFAE;--b4: #F7D9A1;--p: #E3D9C4;--non: #F9D9B8;--edge: #D9C99E;--edge-dim: #C2AF82;--col: #BFB5A0;--col-dim: #A79C85;--cut: #B98E4B;--canvas: #FFFFFF;--slab: #F7F6F2;--grid: rgba(27, 31, 36, .05);--grid-major: rgba(27, 31, 36, .1)}:root[data-theme=dark]{--bg: #16181B;--panel: #1E2126;--fg: #E6E4DE;--mut: #9BA1A9;--line: #363A41;--line-soft: #2A2E34;--acc: #7FB0F0;--acc-soft: #233650;--warn: #E08A5A;--good: #6CC29A;--a1: #A28A44;--a2: #A99047;--a3: #B39847;--b1: #A5803B;--b2: #AA8541;--b3: #AE8842;--b4: #B58E45;--p: #A69B82;--non: #A97847;--edge: #8C7638;--edge-dim: #6E5C2C;--col: #6B6353;--col-dim: #544E41;--cut: #5E4722;--canvas: #121417;--slab: #1A1D21;--grid: rgba(230, 228, 222, .06);--grid-major: rgba(230, 228, 222, .12)}*{box-sizing:border-box}html,body{height:100%;margin:0}body{background:var(--bg);color:var(--fg);font:14px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}button,select,input{font:inherit;color:inherit}button{padding:5px 10px;border:1px solid var(--line);border-radius:6px;background:var(--panel);cursor:pointer}button:hover{border-color:var(--fg)}button.primary{background:var(--acc);border-color:var(--acc);color:#fff}button:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--acc);outline-offset:2px}.app{height:100vh;display:grid;grid-template-columns:250px 104px 1fr 260px;grid-template-rows:44px 1fr;grid-template-areas:"top top top top" "inputs levels canvas results"}.top{grid-area:top;display:flex;align-items:center;gap:16px;padding:0 14px;border-bottom:1px solid var(--line);background:var(--panel)}.brand{font-weight:600;display:flex;align-items:center;gap:9px}.brand .home{display:flex;border-radius:5px;padding:2px;line-height:0}.brand .home:focus-visible{outline:2px solid var(--acc);outline-offset:1px}.brand .home img{width:26px;height:26px;display:block}.brand .home:hover img{opacity:.65}:root[data-theme=dark] .brand .home img{filter:invert(1)}.modes{display:flex;gap:6px}.top-right{margin-left:auto;display:flex;align-items:center;gap:10px}.inputs{grid-area:inputs;overflow-y:auto;padding:14px;border-right:1px solid var(--line);background:var(--panel)}.results{grid-area:results;overflow-y:auto;padding:14px;border-left:1px solid var(--line);background:var(--panel)}.levels{grid-area:levels;display:flex;flex-direction:column;min-height:0;background:var(--panel);border-right:1px solid var(--line)}.levels-head{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);padding:10px 8px 4px}.levels-list{flex:1;min-height:0;overflow-y:auto;padding:2px 6px 6px;display:flex;flex-direction:column;gap:5px}.level{position:relative;display:grid;gap:1px;padding:4px 4px 5px;text-align:center;flex:none;border:1px solid var(--line-soft);border-radius:6px;background:var(--bg);color:var(--mut);cursor:pointer}.level:hover{border-color:var(--mut);color:var(--fg)}.level.on{border-color:var(--acc);background:var(--acc-soft);color:var(--acc)}.level-thumb{display:block}.level-thumb svg{display:block;width:100%;height:auto}.level-name{font-size:11px;line-height:1.25;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--fg)}.level.on .level-name{color:var(--acc);font-weight:600}.level-lvl{font-size:10px;font-variant-numeric:tabular-nums;opacity:.75}.level-mark{position:absolute;top:3px;right:4px;font-size:11px;line-height:1;color:var(--mut)}.level-mark.bad{color:var(--warn);font-weight:700}.levels-acts{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:6px;border-top:1px solid var(--line-soft)}.levels-acts button{padding:4px 2px;font-size:11px;line-height:1.3;white-space:nowrap}.levels-acts button.wide{grid-column:span 2}.levels-acts button:disabled{opacity:.38;cursor:default}.levels-acts button:disabled:hover{border-color:var(--line)}.canvas-wrap{grid-area:canvas;position:relative;overflow:hidden;background:var(--canvas);display:flex;flex-direction:column;min-width:0}.plan{position:relative;flex:1;min-height:0;overflow:hidden}.canvas{width:100%;height:100%;display:block;touch-action:none;user-select:none}.strip{flex:none;display:flex;align-items:center;gap:6px;padding:6px 10px;border-bottom:1px solid var(--line);background:var(--panel);flex-wrap:wrap}.strip .rule{width:1px;align-self:stretch;background:var(--line);margin:0 3px}.strip .spacer{margin-left:auto}.adds,.acts{display:flex;gap:5px}.tool-label{display:inline-flex;align-items:baseline;gap:4px}.plus{color:var(--mut);font-weight:400}.tool.on .plus{color:var(--acc)}.tool:disabled .plus{color:inherit}.snap{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--mut);white-space:nowrap}.snap input{accent-color:var(--acc)}.snap.off{opacity:.45}.viewmode{border-radius:999px;padding:3px 11px;font-size:12px;color:var(--mut)}.viewmode.on{background:var(--acc-soft);border-color:var(--acc);color:var(--acc)}.axo{position:absolute;right:12px;bottom:12px;z-index:2;display:grid;gap:6px;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:9px 11px;box-shadow:0 2px 10px #0000001a;font-size:12px}.axo[hidden]{display:none}.axo-row{display:grid;grid-template-columns:32px 96px auto;align-items:center;gap:7px;color:var(--mut)}.axo-row input[type=range]{width:100%;accent-color:var(--acc)}.axo-row input[type=number]{width:100%;padding:2px 4px;border:1px solid var(--line);border-radius:5px;background:var(--bg);font-variant-numeric:tabular-nums}.axo-unit{color:var(--mut)}.axo button{width:100%}.gone{display:none!important}#canvas3d{cursor:grab}#canvas3d:active{cursor:grabbing}.hint{position:absolute;left:12px;bottom:12px;font-size:12px;color:var(--mut);pointer-events:none}.status{position:absolute;left:12px;top:12px;font-size:12px;color:var(--mut);pointer-events:none}.status.err{color:var(--warn)}.picked{position:absolute;left:12px;top:34px;z-index:2;display:flex;flex-wrap:wrap;align-items:center;gap:6px;max-width:calc(100% - 24px);padding:5px 7px;font-size:12px;background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:0 2px 10px #00000014}.picked[hidden]{display:none}.picked .what{font-weight:500;margin:0 4px 0 2px}.picked .why{font-weight:400;color:var(--warn)}.picked button{padding:3px 8px;font-size:12px}.picked kbd{font-size:10px;color:var(--mut);margin-left:3px}.experience{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--bg)}.exp,.exp:hover{border:0;border-radius:0}.exp{padding:7px 6px;font-size:13px;font-weight:500;color:var(--mut);background:transparent}.exp+.exp{box-shadow:inset 1px 0 0 var(--line)}.exp:hover{color:var(--fg)}.exp.on{background:var(--acc-soft);color:var(--acc)}.exp:focus-visible{outline-offset:-2px}.exp-say{font-size:12px;color:var(--mut);margin:7px 0 4px}.btypes{display:grid;grid-template-columns:1fr 1fr;gap:6px}.btype{text-align:left;font-size:12px}.btype.on{background:var(--acc-soft);border-color:var(--acc);color:var(--acc)}.grid-kv{margin:8px 0 4px}.since .moved{color:var(--acc);font-weight:600}.section{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);margin:14px 0 8px}.section:first-child{margin-top:0}.row{display:grid;grid-template-columns:78px 1fr 58px;align-items:center;gap:8px;margin:6px 0}.row label{color:var(--fg)}.row input[type=range]{width:100%;accent-color:var(--acc)}.row input[type=number]{width:100%;padding:3px 5px;border:1px solid var(--line);border-radius:5px;background:var(--bg);font-variant-numeric:tabular-nums}.check{display:flex;align-items:center;gap:8px;margin:8px 0}.row select{width:100%;padding:3px 5px;border:1px solid var(--line);border-radius:5px;background:var(--bg)}.tools{display:grid;grid-template-columns:1fr 1fr;gap:6px}.tool{text-align:left;display:flex;align-items:center;justify-content:space-between;gap:6px}.tool.on{background:var(--acc-soft);border-color:var(--acc);color:var(--acc)}.fold{border:1px solid var(--line-soft);border-radius:8px;background:var(--bg);padding:8px 10px;margin:8px 0}.fold-head{display:flex;align-items:center;gap:8px;width:100%;text-align:left;border:0;background:none;padding:0;font-weight:500;cursor:pointer}.fold-head:hover{border:0}.fold-head .caret{margin-left:auto;color:var(--mut);font-size:12px}.fold-sum{font-size:12px;color:var(--mut);margin:6px 0 0;font-variant-numeric:tabular-nums}.scope{border:1px dashed var(--line);border-radius:6px;padding:6px 8px;margin:8px 0 0}.scope legend{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--mut);padding:0 4px}.scope label{display:flex;gap:7px;align-items:flex-start;font-size:12.5px;margin:5px 0;cursor:pointer}.scope input{margin-top:2px;accent-color:var(--acc)}.scope .danger{color:var(--warn)}.row.off,.check.off{opacity:.45}kbd{font:500 11px/1.5 ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace;background:var(--bg);border:1px solid var(--line);border-bottom-width:2px;border-radius:4px;padding:0 5px;color:var(--mut);white-space:nowrap}.tool kbd{padding:0 4px}.tool.on kbd{color:var(--acc);border-color:var(--acc)}.gestures{margin:6px 0}.gestures p{margin:0 0 4px;padding-left:12px;text-indent:-12px;font-size:12px;line-height:1.4;color:var(--mut)}.gestures kbd{margin-right:4px}.linky{border:0;background:none;padding:0;color:var(--acc);text-decoration:underline;cursor:pointer;font-size:12px}.linky:hover{border:0}.keys{border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--fg);padding:0;max-width:720px;width:calc(100% - 32px);max-height:82vh;box-shadow:0 8px 32px #00000038}.keys::backdrop{background:#00000061}.keys-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--panel)}.keys-body{padding:4px 16px 16px;overflow-y:auto;max-height:calc(82vh - 52px);columns:2;column-gap:28px}.keys-body section{break-inside:avoid;margin-top:14px}.keys-body h3{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);margin:0 0 4px;font-weight:600}@media(max-width:640px){.keys-body{columns:1}}.examples{display:grid;grid-template-columns:1fr 1fr;gap:6px}.example{text-align:left;font-size:12px}.note{color:var(--mut);font-size:12px;margin:6px 0}.faults{margin:8px 0;padding:0;list-style:none;font-size:12px}.faults li{padding:4px 8px;border-left:3px solid var(--warn);margin:4px 0;background:var(--bg)}.faults li.warning{border-left-color:var(--mut)}.big{display:grid;grid-template-columns:1fr 1fr;gap:8px 12px;margin:8px 0 14px}.big .n{font-size:26px;font-weight:600;line-height:1.1;font-variant-numeric:tabular-nums}.big .l{font-size:11px;color:var(--mut)}.bars{display:grid;grid-template-columns:52px 1fr 28px;gap:6px 8px;align-items:center;font-size:12px;font-variant-numeric:tabular-nums}.bars .bar{height:11px;border:1px solid var(--line-soft)}.bars .cnt{text-align:right}.kv{display:grid;grid-template-columns:1fr auto;gap:4px 10px;font-size:12px;font-variant-numeric:tabular-nums}.kv .k{color:var(--mut)}.row .num{color:var(--mut);font-size:12px;font-variant-numeric:tabular-nums;text-align:right}.prompt{position:absolute;z-index:3;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:10px 12px;font-size:12px;box-shadow:0 4px 14px #00000024}.prompt[hidden]{display:none}.prompt-row{display:flex;align-items:center;gap:6px;margin:2px 0 6px}.prompt input[type=number]{width:70px;padding:3px 5px;border:1px solid var(--line);border-radius:5px;background:var(--bg);font-variant-numeric:tabular-nums}.share-box{left:auto;right:12px;top:12px;display:grid;gap:6px}.share-box input{width:340px;padding:3px 5px;border:1px solid var(--line);border-radius:5px;background:var(--bg);font-size:12px}.card{position:absolute;pointer-events:none;background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:8px 10px;font-size:12px;max-width:260px;box-shadow:0 2px 8px #00000014}.card b{font-weight:600}.card .why{color:var(--mut);margin-top:4px}.card .card-hint{color:var(--fg);margin-top:5px;padding-left:7px;border-left:2px solid var(--non)}.legend{display:grid;grid-template-columns:1fr;gap:3px 12px;font-size:11px;margin-top:10px}.legend span{display:inline-flex;align-items:center;gap:5px;color:var(--mut)}.legend b{font-weight:600;color:var(--fg);min-width:26px}.legend i{width:14px;height:10px;border:1px solid var(--line);display:inline-block}@media(max-width:900px){.app{height:auto;min-height:100vh;grid-template-columns:1fr;grid-template-rows:44px auto 60vh auto auto;grid-template-areas:"top" "levels" "canvas" "results" "inputs"}.inputs{border-right:0;border-top:1px solid var(--line)}.results{border-left:0;border-top:1px solid var(--line)}.levels{flex-direction:row;border-right:0;border-bottom:1px solid var(--line)}.levels-head{display:none}.levels-list{flex-direction:row-reverse;justify-content:flex-end;overflow-x:auto;overflow-y:hidden}.level{width:78px}.levels-acts{border-top:0;border-left:1px solid var(--line-soft);align-content:center;width:104px;flex:none}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}