.practice-page.eo-page main{max-width:1440px}.eo-app{max-width:1320px;margin:auto}.eo-app .game{padding:28px}.eo-app h2{text-align:center;font-size:26px}.eo-help{max-width:810px;text-align:center;margin:12px auto;line-height:1.6;color:#52657c}.eo-app #eo-progress{height:100%;background:#163d68}.eo-scheme{display:grid;grid-template-columns:minmax(0,1fr) 112px minmax(0,1fr);gap:22px;align-items:center;max-width:1040px;margin:24px auto}.eo-diagram{display:block;width:100%;height:auto;overflow:visible;shape-rendering:geometricPrecision}.eo-connector{position:relative;height:36px;text-align:center;color:#52657c;font-size:16px}.eo-connector>span{position:absolute;bottom:calc(100% + 8px);left:0;width:100%}.eo-connector svg{display:block;width:112px;height:36px;margin:0}.eo-slot{cursor:pointer}.eo-slot:focus rect{stroke:#1265c6;stroke-width:3}.eo-slot[aria-disabled=true]{cursor:default}.eo-pieces{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin:0 auto 8px}.eo-piece{display:flex;align-items:center;justify-content:center;min-width:76px;height:64px;border:1px solid #a9bed7;border-radius:4px;color:#172532;background:white;font-size:24px}.eo-piece[aria-pressed=true]{outline:3px solid #163d68;outline-offset:2px;background:#eef5fc}.eo-piece:disabled{opacity:.3}.eo-piece:focus-visible{outline:3px solid #1265c6;outline-offset:3px}.eo-piece svg{pointer-events:none}.eo-palette-help{text-align:center;color:#52657c;line-height:1.5;margin:8px auto 16px}.eo-app .bottom{justify-content:flex-end;gap:10px;margin-top:28px;padding-top:24px;border-top:1px solid #d8e2ee}.eo-app .bottom #eo-check,.eo-app .bottom #eo-next{margin-left:0}.eo-app .bottom button:disabled{opacity:.45}#eo-feedback{padding:14px 18px;margin-top:20px;border:2px solid transparent;border-radius:4px;line-height:1.6;background:#f0f5fb}#eo-feedback:empty{display:none}#eo-feedback[data-state=correct]{background:#e9f7ed;border-color:#228443;color:#166534}#eo-feedback[data-state=incorrect]{background:#fff0f0;border-color:#c8323e;color:#a51c26}@media(max-width:720px){.eo-app .game{padding:20px 12px}.eo-scheme{grid-template-columns:minmax(0,1fr);gap:32px;max-width:400px;margin:24px auto}.eo-connector{width:112px;margin:auto}.eo-connector svg{margin:0}.eo-help,.eo-palette-help{font-size:14px}.eo-diagram{max-height:480px}.eo-app .bottom{flex-wrap:wrap}}