*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{-moz-text-size-adjust:none;-webkit-text-size-adjust:none;text-size-adjust:none}body{min-height:100vh;line-height:1.5;-webkit-font-smoothing:antialiased}img,picture,video,canvas,svg{display:block;max-width:100%}input,button,textarea,select{font:inherit}p,h1,h2,h3,h4,h5,h6{overflow-wrap:break-word}:root{--bg-chalkboard: #2d4a3e;--bg-card: #f5f0e1;--btn-a: #8b4049;--btn-b: #b8860b;--btn-c: #4a6741;--btn-d: #4a5568;--accent-wood: #6b4226;--text-light: #f5f0e1;--text-dark: #2c2c2c;--accent-gold: #d4a843;--correct: #4a6741;--incorrect: #8b4049;--bg-surface: #1e3a2f;--muted: #6b7280;--font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;--font-family-display: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif}html{font-size:16px}body{font-family:var(--font-family);color:var(--text-light);background-color:var(--bg-chalkboard)}h1,h2,h3,h4,h5,h6{font-family:var(--font-family-display);line-height:1.2}#root{min-height:100vh;display:flex;flex-direction:column}body{overscroll-behavior:none}button,[role=button]{min-height:48px;min-width:48px;cursor:pointer;touch-action:manipulation}button{background:none;border:none;color:inherit}@media(prefers-reduced-motion:no-preference){*{transition-duration:.2s}}