:root{--bg:#fffbf5;--surface:#fff;--text:#1c1917;--muted:#57534e;--border:#e7e5e4;--accent:#b45309;--accent-text:#fff;--good:#15803d;--bad:#b91c1c;--real-bg:#ecfdf5;--wrong-bg:#fef2f2;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#0c0a09;--surface:#1c1917;--text:#f5f5f4;--muted:#a8a29e;--border:#292524;--accent:#fbbf24;--accent-text:#1c1917;--good:#4ade80;--bad:#f87171;--real-bg:#052e16;--wrong-bg:#450a0a;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}a{color:var(--accent)}.page{max-width:560px;margin:0 auto;padding:32px 16px 24px}.footer{max-width:560px;color:var(--muted);text-align:center;margin:0 auto;padding:16px;font-size:14px}.footer a{color:inherit}h1{overflow-wrap:anywhere;margin:0 0 12px;font-size:28px;line-height:1.2}h2{overflow-wrap:anywhere;margin:0 0 16px;font-size:22px;line-height:1.3}h3{margin:24px 0 8px;font-size:17px}.eyebrow{color:var(--accent);margin:0 0 8px;font-weight:600}.lead{color:var(--muted);margin:0 0 20px;font-size:18px}.muted{color:var(--muted)}.small{font-size:14px}.game{flex-direction:column;gap:12px;display:flex}.stack{flex-direction:column;gap:8px;display:flex}.steps{margin:0 0 8px;padding-left:20px}.prose h2{margin:24px 0 8px;font-size:19px}.prose p,.prose li{color:var(--text)}input{font:inherit;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:10px;padding:12px}button,.button{font:inherit;border:1px solid var(--border);background:var(--surface);min-height:44px;color:var(--text);cursor:pointer;border-radius:10px;justify-content:center;align-items:center;padding:10px 16px;text-decoration:none;display:inline-flex}button:disabled{opacity:.6;cursor:default}.primary{background:var(--accent);color:var(--accent-text);border-color:var(--accent);font-weight:600}.options{flex-direction:column;gap:10px;display:flex}.option{text-align:left;border:1px solid var(--border);background:var(--surface);white-space:pre-wrap;overflow-wrap:anywhere;border-radius:10px;justify-content:flex-start;align-items:center;min-height:44px;padding:14px 16px;display:flex}.option.real{background:var(--real-bg);border-color:var(--good)}.option.wrong{background:var(--wrong-bg);border-color:var(--bad)}.badge{color:var(--good);margin-left:auto;padding-left:12px;font-size:13px;font-weight:600}.progress{color:var(--muted);margin:0}.verdict{margin:4px 0;font-size:18px;font-weight:600}.error{color:var(--bad);margin:0}.summary{border:1px solid var(--border);background:var(--surface);border-radius:12px;padding:16px}.stat{margin:0 0 8px;font-size:20px;font-weight:700}.board{margin:0 0 8px;padding:0;list-style:none}.board li{overflow-wrap:anywhere;justify-content:space-between;gap:12px;display:flex}.share{flex-wrap:wrap;gap:8px;display:flex}.link-button{color:var(--muted);background:0 0;border:none;align-self:flex-start;min-height:32px;padding:4px 0;text-decoration:underline}.notice{text-align:center;padding:48px 0}