.shapes-2d-game{background:radial-gradient(circle at 95% 2%,#c7c9da 0 120px,#0000 122px),radial-gradient(circle at 3% 33%,#d8c4df 0 90px,#0000 92px),#ddd2df}.shapes-2d-mode-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.shapes-2d-board,.shape-2d-panel{min-height:620px}.shape-2d-viewer{place-items:center;min-height:620px;padding:clamp(40px,7vw,84px);display:grid}.shape-2d-svg{filter:drop-shadow(0 14px 10px #17182133);width:min(560px,82%);max-height:470px;overflow:visible}.shape-2d-form{stroke:#171821;stroke-width:2.1px;stroke-linejoin:round;vector-effect:non-scaling-stroke}.shape-2d-vertex{stroke-width:1.2px;vector-effect:non-scaling-stroke;filter:drop-shadow(0 1px 1px #17182166)}.shape-2d-panel.is-dark .shape-2d-form{stroke:#f7f4ed}.shape-2d-tools .viewer-actions{grid-template-columns:max-content}.shape-save-status{color:#d9daec;min-height:1.5em;margin:0 0 18px;font-size:.9rem;font-weight:700}.shape-retry-save{margin-top:16px}@media (max-width:940px){.shape-2d-panel,.shape-2d-viewer{min-height:420px}.shapes-2d-board{min-height:0}}@media (max-width:600px){.shapes-2d-mode-grid{grid-template-columns:1fr}.shape-2d-panel,.shape-2d-viewer{min-height:340px}.shape-2d-viewer{padding:38px 24px 92px}.shape-2d-svg{width:min(260px,78%);max-height:220px}.shape-2d-tools .drag-instruction{font-size:.7rem}.shapes-2d-game .count-answer-panel{min-height:480px}}@media (prefers-reduced-motion:reduce){.shape-2d-svg{filter:none}}