:root{--bg:#eceef1;--panel:#fff;--panel-2:#f5f6f8;--ink:#1b2129;--muted:#5e6875;--line:#d6dbe2;--accent:#2f7a57;--accent-ink:#fff;--accent-soft:#e2efe8;--mat:#2d6b4f;--mat-grid:#ffffff17;--mat-grid-strong:#ffffff29;--warn-bg:#fff4e0;--warn-ink:#7a4a00;--stage:#e3e6ea;--shadow:0 1px 2px #141e280f, 0 4px 16px #141e280f;--radius:8px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#14171b;--panel:#1c2026;--panel-2:#22272e;--ink:#e6eaef;--muted:#9aa4b1;--line:#2f353e;--accent:#5fbf8f;--accent-ink:#0d1a13;--accent-soft:#1f3329;--mat:#1d4735;--warn-bg:#3a2c12;--warn-ink:#f3cf8d;--stage:#181c21;--shadow:0 1px 2px #0000004d, 0 4px 16px #00000040}}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#14171b;--panel:#1c2026;--panel-2:#22272e;--ink:#e6eaef;--muted:#9aa4b1;--line:#2f353e;--accent:#5fbf8f;--accent-ink:#0d1a13;--accent-soft:#1f3329;--mat:#1d4735;--warn-bg:#3a2c12;--warn-ink:#f3cf8d;--stage:#181c21;--shadow:0 1px 2px #0000004d, 0 4px 16px #00000040}*{box-sizing:border-box}[hidden]{display:none!important}html,body{height:100%;margin:0}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;font:14px/1.55 PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans CJK SC,Source Han Sans SC,system-ui,sans-serif}button,input,select{font:inherit;color:inherit}button{cursor:pointer}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}#app{grid-template:"top top""side work"1fr/300px 1fr;height:100%;display:grid}.top{padding:10px 20px;padding-top:calc(10px + env(safe-area-inset-top,0px));background:var(--panel);border-bottom:1px solid 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var(--line);flex-direction:column;grid-area:side;gap:22px;padding:16px;display:flex;overflow-y:auto}.side h2{letter-spacing:.08em;color:var(--muted);text-transform:uppercase;margin:0 0 10px;font-size:12px;font-weight:600}.cards{grid-template-columns:1fr 1fr;gap:8px;display:grid}.card{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);text-align:left;flex-direction:column;gap:4px;padding:8px;display:flex}.card:hover{border-color:var(--muted)}.card[aria-pressed=true]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent);background:var(--accent-soft)}.card svg{width:100%;height:56px;display:block}.card b{font-size:13px;font-weight:600}.card small{color:var(--muted);font-size:11.5px;line-height:1.4}.card.blank svg rect.sheet{fill:var(--panel);stroke:var(--line)}.params{flex-direction:column;gap:12px;display:flex}.param label{justify-content:space-between;margin-bottom:4px;font-size:13px;display:flex}.param label output{font-variant-numeric:tabular-nums;color:var(--muted)}.param .row{align-items:center;gap:8px;display:flex}.param input[type=range]{accent-color:var(--accent);flex:1;min-width:0}.param input[type=number]{border:1px solid var(--line);background:var(--panel-2);font-variant-numeric:tabular-nums;border-radius:5px;width:64px;padding:3px 6px}.seg{flex-wrap:wrap;gap:6px;display:flex}.nets{grid-template-columns:repeat(4,1fr);gap:6px;display:grid}.nets button{border:1px solid var(--line);background:var(--panel);aspect-ratio:1;border-radius:6px;padding:4px}.nets button[aria-pressed=true]{border-color:var(--accent);background:var(--accent-soft)}.nets svg{width:100%;height:100%;display:block}.nets rect{fill:var(--ink);opacity:.75}.swatches{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.swatch{border:2px solid var(--panel);width:26px;height:26px;box-shadow:0 0 0 1px var(--line);border-radius:50%;padding:0}.swatch[aria-pressed=true]{box-shadow:0 0 0 2px var(--accent)}.hint{color:var(--muted);margin:8px 0 0;font-size:12.5px}.prim-add{flex-wrap:wrap;gap:6px;display:flex}.prim-list{flex-direction:column;gap:4px;margin:10px 0 0;padding:0;list-style:none;display:flex}.prim-list li{align-items:center;gap:8px;display:flex}.prim-list li>button:first-child{text-align:left;border:1px solid var(--line);background:var(--panel);border-radius:6px;flex:1;align-items:center;gap:8px;padding:5px 8px;display:flex}.prim-list li[aria-current=true]>button:first-child{border-color:var(--accent);background:var(--accent-soft)}.prim-list i{width:12px;height:12px;box-shadow:0 0 0 1px var(--line);border-radius:3px;display:inline-block}.icon-btn{color:var(--muted);background:0 0;border:0;border-radius:5px;padding:4px 6px}.icon-btn:hover{background:var(--panel-2);color:var(--ink)}.sub{border-top:1px solid var(--line);flex-direction:column;gap:12px;margin-top:4px;padding-top:12px;display:flex}.sub select,.sub input[type=text]{border:1px solid var(--line);background:var(--panel-2);border-radius:5px;width:100%;padding:4px 8px}.warnings{flex-direction:column;gap:6px;display:flex}.warn{background:var(--warn-bg);color:var(--warn-ink);border-radius:6px;padding:8px 10px;font-size:13px}.work{grid-area:work;grid-template-columns:minmax(0,1fr) minmax(0,1fr);min-height:0;display:grid}.pane{flex-direction:column;min-width:0;min-height:0;display:flex;position:relative}.pane-head{border-bottom:1px solid var(--line);background:var(--panel);align-items:center;gap:10px;padding:8px 14px;font-size:13px;display:flex}.pane-head b{font-weight:600}.pane-head .muted{color:var(--muted)}.pane-head .spacer{flex:1}.pane3d{border-right:1px solid var(--line);background:var(--stage)}.stage{flex:1;min-height:0;position:relative}.stage canvas{touch-action:none;width:100%;height:100%;display:block}.foldbar{padding:10px 14px;padding-bottom:calc(10px + env(safe-area-inset-bottom,0px));background:var(--panel);border-top:1px solid var(--line);align-items:center;gap:12px;display:flex}.foldbar input{accent-color:var(--accent);flex:1}.foldbar output{text-align:right;font-variant-numeric:tabular-nums;width:72px;color:var(--muted);font-size:13px}.empty-note{pointer-events:none;color:var(--muted);text-align:center;place-items:center;padding:20px;font-size:14px;display:grid;position:absolute;inset:0}.mat{background-color:var(--mat);background-image:linear-gradient(var(--mat-grid-strong) 1px, transparent 1px), linear-gradient(90deg, var(--mat-grid-strong) 1px, transparent 1px), linear-gradient(var(--mat-grid) 1px, transparent 1px), linear-gradient(90deg, var(--mat-grid) 1px, transparent 1px);background-size:120px 120px,120px 120px,24px 24px,24px 24px;flex:1;min-height:0;overflow:auto}.pages{flex-direction:column;align-items:center;gap:24px;width:max-content;min-width:100%;padding:24px;display:flex}.page{background:#fff;display:block;box-shadow:0 2px 10px #00000040}.page .face{cursor:pointer}.page .face.hl{stroke:#2f7a57;stroke-width:.9px}.page .face.sel{stroke:#2f7a57;stroke-width:1.2px}.page .dim{cursor:pointer}.page .dim rect{fill:#2f7a57}.page .dim text{fill:#fff}.page .dim line{stroke:#2f7a57}.page .dim:hover rect{fill:#1f5c40}.popover{z-index:10;background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:8px;align-items:center;gap:8px;padding:10px;display:flex;position:fixed}.popover input{border:1px solid var(--line);background:var(--panel-2);font-variant-numeric:tabular-nums;border-radius:5px;width:90px;padding:4px 8px}.toast{left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));background:var(--ink);color:var(--panel);z-index:20;border-radius:6px;padding:8px 14px;font-size:13px;position:fixed;transform:translate(-50%)}@media (max-width:1100px){.work{grid-template-rows:minmax(360px,55vh) minmax(420px,auto);grid-template-columns:minmax(0,1fr);overflow-y:auto}.pane3d{border-right:0;border-bottom:1px solid var(--line)}}@media (max-width:760px){#app{grid-template:"top""side""work"1fr/minmax(0,1fr);height:auto;min-height:100%}.side{border-right:0;border-bottom:1px solid var(--line);overflow:visible}.brand span{display:none}.title-input{width:120px}.work{overflow:visible}}@media (prefers-reduced-motion:reduce){*{transition:none!important}}