:root{--clac-bg: #f1f5f9;--clac-surface: #ffffff;--clac-muted: #64748b;--clac-border: #e2e8f0;--clac-accent: #4f46e5;--clac-shadow: 0 10px 40px rgba(15, 23, 42, .06)}html,body{height:100%}body{margin:0;font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--clac-bg);color:#0f172a}.skip-to-content{position:absolute;left:-9999px;top:.75rem;z-index:10000;padding:.5rem 1rem;background:#0f172a;color:#fff;font-weight:600;text-decoration:none;border-radius:8px}.skip-to-content:focus{left:.75rem;outline:3px solid #38bdf8;outline-offset:2px}.app-main{min-height:100%;outline:none}:focus-visible{outline:3px solid #4f46e5;outline-offset:2px}:focus:not(:focus-visible){outline:none}button:focus-visible,a:focus-visible{outline-offset:3px}.clac-math-text{overflow-wrap:anywhere;word-break:break-word;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;line-height:1.55;-webkit-hyphens:auto;hyphens:auto}