:root{--bg:#f6f6f4;--fg:#1d1d1f;--muted:#6b6b70;--card:#fff;--line:#e2e2e0;--accent:#d51007;--ok:#1e7a3c;--bad:#b3261e;--warn:#fff6e0}
@media (prefers-color-scheme:dark){:root{--bg:#141416;--fg:#ececee;--muted:#9a9aa2;--card:#1e1e22;--line:#33333a;--accent:#ff4b3e;--ok:#5fcf86;--bad:#ff7b72;--warn:#2b2414}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent)}
.top{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;align-items:center;justify-content:space-between;padding:.75rem 1rem;border-bottom:1px solid var(--line);background:var(--card)}
.brand{font-weight:700;text-decoration:none;color:var(--fg)}
nav{display:flex;flex-wrap:wrap;gap:1rem;align-items:center}
main{max-width:980px;margin:0 auto;padding:1rem}
h1{font-size:1.5rem;margin:.5rem 0 1rem}h2{font-size:1.1rem;margin:0 0 .5rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:1rem;margin:0 0 1rem}
.card.narrow{max-width:460px;margin:2rem auto}
.card.warn{background:var(--warn)}
.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid.two{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.grid .card{margin:0}
label{display:block;font-weight:600;margin:.75rem 0 .25rem}
label.choice{font-weight:400;margin:.25rem 0}
input,textarea{width:100%;padding:.55rem .65rem;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--fg);font:inherit}
textarea{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.85rem}
input[type=radio]{width:auto;margin-right:.4rem}
fieldset{border:1px solid var(--line);border-radius:6px;margin:.5rem 0}
button,.button{display:inline-block;margin-top:.75rem;padding:.55rem 1rem;border:0;border-radius:6px;background:var(--accent);color:#fff;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
button.secondary{background:transparent;color:var(--fg);border:1px solid var(--line)}
button.danger{background:var(--bad)}
button.link{background:none;border:0;padding:0;margin:0;color:var(--accent);font-weight:400;text-decoration:underline}
button.small{padding:.25rem .5rem;font-size:.85rem;margin:.1rem 0}
form.inline{display:inline}
form.row{display:flex;gap:.5rem;align-items:flex-end}form.row button{margin:0}
.flash{background:var(--card);border-left:4px solid var(--ok);padding:.6rem .8rem;border-radius:6px}
.error{background:var(--card);border-left:4px solid var(--bad);padding:.6rem .8rem;border-radius:6px}
.ok{color:var(--ok)}.bad{color:var(--bad)}.muted{color:var(--muted)}.small{font-size:.85rem}
code{background:var(--bg);padding:.05rem .3rem;border-radius:4px}
.scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.92rem}
th,td{text-align:left;padding:.4rem .5rem;border-bottom:1px solid var(--line);vertical-align:top}
tr.st-skipped td,tr.st-failed td,tr.st-ignored td{color:var(--muted)}
td.actions form{display:block}
ul.plain{list-style:none;padding:0}