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0;color:var(--text-secondary)}.ad-note{margin-top:10px;font-size:14px;font-style:italic}@media(max-width:768px){.menu-title{font-size:36px}.difficulty-grid,.themes-grid{grid-template-columns:1fr}.levels-grid{grid-template-columns:repeat(auto-fill,minmax(60px,1fr));gap:10px}.level-number{font-size:18px}.position-cells{grid-template-columns:1fr}.tutorial-birds{flex-direction:column;align-items:center}.value-options{grid-template-columns:1fr}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--surface)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--primary)}