:root{font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#203e38;background:#f8f5ec;color-scheme:light;font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-height:100svh;display:grid;place-items:center;background:radial-gradient(ellipse at 50% 10%,#fffdf8,transparent 65%),#f8f5ec}button,select,a{touch-action:manipulation}button,select{font:inherit;color:inherit;cursor:pointer}button{border:1px solid #cbd2c6;background:#fcfaf5;border-radius:9px;padding:8px 12px;min-height:40px;font-size:13px}button:hover{background:#e5ecdf;border-color:#708873}button:disabled{opacity:.42;cursor:default}button:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid #a57839;outline-offset:3px}a{color:#65482f;text-underline-offset:4px}[hidden]{display:none!important}.skip{position:fixed;left:12px;top:-100px;background:#fcfaf5;padding:12px;z-index:20}.skip:focus{top:8px}.sudoku-shell{width:min(460px,calc(100% - 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.game-menu-actions{gap:6px;margin-top:12px}}.practice-card{margin:24px 0;padding:22px;border:1px solid #c9d2c5;border-radius:22px;background:linear-gradient(135deg,#edf1e7,#faf7ee);color:#294d43}.practice-eyebrow{display:flex;flex-wrap:wrap;gap:6px 16px;justify-content:space-between;font-size:12px;letter-spacing:.04em;font-weight:600}.practice-eyebrow span{font-weight:400;letter-spacing:0;color:#61766b}.practice-card h3{font-family:Georgia,serif;font-size:27px;line-height:1.15;margin:18px 0 10px}.practice-card p{font-size:14px;line-height:1.5;margin:0 0 18px}.practice-card progress{display:block;width:100%;height:10px;border:0;border-radius:999px;overflow:hidden;background:#dce4d7;color:#315f4e;-webkit-appearance:none;-moz-appearance:none;appearance:none}.practice-card progress::-webkit-progress-bar{background:#dce4d7;border-radius:999px}.practice-card progress::-webkit-progress-value{background:#315f4e;border-radius:999px}.practice-card 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