:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--bg:#f6f6f3;--surface:#fff;--text:#1b1b19;--muted:#5f5f58;--border:#cfcfc8;--accent:#1a5fb4;--accent-text:#fff;--ok:#176f31;--ok-bg:#e3f4e7;--bad:#b3261e;--bad-bg:#fbe6e4;--warn-bg:#fff3cf;--code-bg:#ecece7;--target:24px;accent-color:var(--accent)}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#141416;--surface:#1e1e22;--text:#ececea;--muted:#a5a59e;--border:#3b3b42;--accent:#8ab8ff;--accent-text:#0b1b33;--ok:#63cc85;--ok-bg:#16311f;--bad:#ff8b82;--bad-bg:#3a1917;--warn-bg:#392f08;--code-bg:#2a2a30}}@media (pointer:coarse){:root{--target:44px}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);overflow-wrap:anywhere;margin:0;font:1rem/1.55 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}h1,h2,h3{text-wrap:balance;margin:0 0 .5rem;line-height:1.25}h1{font-size:1.35rem}h2{font-size:1.1rem}h3{font-size:1rem}p{margin:0 0 .75rem}a{color:var(--accent)}.muted{color:var(--muted)}.small{font-size:.875rem}code,pre{background:var(--code-bg);border-radius:4px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em}code{padding:.1em .3em}pre{overflow-wrap:normal;padding:.75rem;overflow-x:auto}pre code{background:0 0;padding:0}.top{padding:.5rem max(1rem, env(safe-area-inset-right,0px)) .5rem max(1rem, env(safe-area-inset-left,0px));border-bottom:1px solid var(--border);background:var(--surface);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem;display:flex}.brand{color:var(--text);font-weight:700;text-decoration:none}main{max-width:46rem;padding:1rem max(1rem, env(safe-area-inset-right,0px)) 6rem max(1rem, env(safe-area-inset-left,0px));margin:0 auto}main:focus{outline:none}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;margin-bottom:1rem;padding:1rem}.row{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.row.end{justify-content:flex-end}.row.spread{justify-content:space-between}.grid{grid-template-columns:repeat(auto-fit,minmax(9.5rem,1fr));gap:.5rem;display:grid}button,select,input,textarea{font:inherit;color:inherit;font-size:max(1rem,1em)}button,select,input:not([type=radio],[type=checkbox]),textarea{min-block-size:var(--target);border:1px solid var(--border);background:var(--surface);border-radius:8px;padding:.45rem .8rem}button{cursor:pointer}button.primary{background:var(--accent);color:var(--accent-text);border-color:var(--accent);font-weight:600}button.big{text-align:start;padding:.7rem 1rem}button.big small{opacity:.85;font-weight:400;display:block}button.link{color:var(--accent);background:0 0;border:0;padding:.2rem .3rem;text-decoration:underline}button:disabled{opacity:.55;cursor:default}:focus-visible{outline:3px solid var(--accent);outline-offset:2px}textarea,input[type=text],input[type=password]{inline-size:100%}input.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}label{margin-bottom:.25rem;display:block}fieldset{border:0;min-inline-size:0;margin:0 0 1rem;padding:0}legend{margin-bottom:.5rem;padding:0;font-weight:600}.opt{border:1px solid var(--border);background:var(--surface);cursor:pointer;min-block-size:var(--target);border-radius:8px;align-items:flex-start;gap:.65rem;margin:0 0 .5rem;padding:.7rem .8rem;display:flex}.opt:has(input:checked){border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}.opt input{flex:none;block-size:1.1rem;inline-size:1.1rem;margin-top:.3rem}.opt .letter{flex:none;font-weight:700}.opt.right{border-color:var(--ok);background:var(--ok-bg)}.opt.wrong{border-color:var(--bad);background:var(--bad-bg)}.opt .why{color:var(--muted);margin-top:.3rem;font-size:.9rem;display:block}.opt .mark{flex:none;font-weight:700}.banner{border-radius:8px;margin-bottom:1rem;padding:.6rem .8rem;font-weight:600}.banner.ok{background:var(--ok-bg);color:var(--ok)}.banner.bad{background:var(--bad-bg);color:var(--bad)}.note{background:var(--warn-bg);border-radius:8px;margin-bottom:1rem;padding:.6rem .8rem}.scenario{border-inline-start:4px solid var(--border);color:var(--muted);margin-bottom:1rem;padding:.2rem .8rem;font-size:.95rem}details>summary{cursor:pointer;padding-block:calc((var(--target) - 1.55rem) / 2)}.chip{border:1px solid var(--border);color:var(--muted);border-radius:99px;padding:.05rem .5rem;font-size:.78rem;display:inline-block}.stat{font-size:1.9rem;font-weight:700;line-height:1.1}.bar{background:var(--code-bg);border-radius:99px;block-size:.5rem;margin:.15rem 0 .5rem;overflow:hidden}.bar>span{background:var(--accent);block-size:100%;display:block}.bar.low>span{background:var(--bad)}.bar.high>span{background:var(--ok)}.task{border-top:1px solid var(--border);grid-template-columns:1fr auto;align-items:center;gap:.1rem .5rem;padding:.35rem 0;display:grid}.task .bar{grid-column:1/-1;margin:0}.actions{background:var(--bg);border-top:1px solid var(--border);padding:.6rem 0 max(.6rem, env(safe-area-inset-bottom,0px));margin-top:1rem;position:sticky;inset-block-end:0}.navgrid{grid-template-columns:repeat(auto-fill,minmax(2.75rem,1fr));gap:.35rem;display:grid}.navgrid button{padding:.2rem}.navgrid .answered{background:var(--code-bg)}.navgrid .marked{border-color:var(--bad);border-width:2px}.navgrid .current{outline:3px solid var(--accent)}.navgrid .right{background:var(--ok-bg)}.navgrid .wrong{background:var(--bad-bg)}.timer{font-variant-numeric:tabular-nums;font-weight:700}table{border-collapse:collapse;inline-size:100%}th,td{text-align:start;border-bottom:1px solid var(--border);padding:.3rem .4rem}td.num,th.num{text-align:end;font-variant-numeric:tabular-nums}dialog{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:12px;max-inline-size:min(32rem,100vw - 2rem);padding:1.1rem}dialog:modal{overscroll-behavior:contain}dialog::backdrop{overscroll-behavior:contain;background:#00000073;overflow:hidden}.visually-hidden{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.note ul{margin:.3rem 0 0;padding-inline-start:1.2rem}