.box-workshop{--scene-canvas-height:365px;--step-caption-min-height:80px;--role-base:var(--highlight);--role-lid:var(--accent-soft);--role-wall:var(--surface-soft);--role-ink:var(--ink);--role-surface:var(--surface)}.box-workshop .box-workshop-modes{grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin:0 0 18px;display:grid}.box-workshop .box-workshop-mode{border:1px solid var(--line);border-radius:var(--radius-small);background:var(--surface);min-width:0;min-height:48px;color:var(--ink);font:600 13px/1.6 var(--font-body);cursor:pointer;padding:9px 7px}.box-workshop .box-workshop-mode[aria-pressed=true]{background:var(--surface-soft);border-color:var(--diagram-first);box-shadow:inset 0 -3px 0 var(--diagram-first)}.box-workshop .box-workshop-workspace{grid-template-columns:minmax(0,.86fr) minmax(0,1.35fr);align-items:stretch;gap:18px;margin-bottom:16px;display:grid}.box-workshop .box-workshop-flat{border:1px solid var(--line);border-radius:var(--radius-small);background:var(--surface);min-width:0;padding:15px}.box-workshop .box-workshop-flat h3{margin:0;font-size:15px}.box-workshop .box-workshop-flat>p{color:var(--muted);margin:9px 0;font-size:12px;line-height:1.75}.box-workshop .box-workshop-flat svg{width:100%;max-width:420px;height:320px;margin:12px auto;display:block;overflow:visible}.box-workshop .box-workshop-net-face{fill:var(--role-wall);stroke:var(--role-ink);stroke-width:1.5px;vector-effect:non-scaling-stroke}.box-workshop .box-workshop-net-face--base{fill:var(--role-base)}.box-workshop .box-workshop-net-face--lid{fill:var(--role-lid)}.box-workshop .box-workshop-net-number{fill:var(--ink);font-family:var(--font-body);text-anchor:middle;dominant-baseline:central;font-weight:750}.box-workshop .box-workshop-net-crease{stroke:var(--diagram-first);stroke-width:2px;stroke-dasharray:5 4;vector-effect:non-scaling-stroke}.box-workshop .box-workshop-crease-label{fill:var(--surface);stroke:var(--diagram-first);stroke-width:1px;vector-effect:non-scaling-stroke}.box-workshop .box-workshop-crease-length{fill:var(--diagram-first)}.box-workshop .box-workshop-face-key{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px 4px;margin-top:12px;display:grid}.box-workshop .box-workshop-face-key span{color:var(--muted);align-items:center;gap:5px;font-size:12px;display:flex}.box-workshop .box-workshop-face-key b{width:21px;height:21px;color:var(--ink);background:var(--surface-soft);border-radius:50%;flex:0 0 21px;place-items:center;font-size:12px;display:inline-grid}.box-workshop .box-workshop-spatial{min-width:0}.box-workshop .box-workshop-results{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:14px;display:grid}.box-workshop .box-workshop-result{border:1px solid var(--line);border-radius:var(--radius-small);min-width:0;padding:13px 15px}.box-workshop .box-workshop-result span{color:var(--muted);margin-bottom:6px;font-size:12px;line-height:1.6;display:block}.box-workshop .box-workshop-result strong{color:var(--ink);overflow-wrap:anywhere;font-size:16px;line-height:1.6;display:block}.box-workshop .box-workshop-result:last-child{background:var(--accent-soft)}.box-workshop .box-workshop-note{color:var(--muted);margin:12px 0 0;font-size:12px;line-height:1.8}@media (width<=760px){.box-workshop .box-workshop-workspace{grid-template-columns:1fr;gap:15px}.box-workshop .box-workshop-flat{padding:12px}.box-workshop .box-workshop-flat svg{height:320px;margin:10px auto}.box-workshop{--scene-canvas-height:310px;--step-caption-min-height:128px}.box-workshop .box-workshop-results{grid-template-columns:1fr}.box-workshop .box-workshop-mode{padding:9px 4px;font-size:12px}}@media (width<=360px){.box-workshop .box-workshop-modes{gap:5px}.box-workshop .box-workshop-flat svg{height:300px}.box-workshop{--scene-canvas-height:285px}}