/* Lamplit Check. One light scheme in v1: the scanner measures the scheme it renders. */
:root{color-scheme:light;--bg:#fbfaf7;--fg:#1d1c1a;--muted:#55524d;--line:#d9d5cc;--lamp:#f2b134;
--bad:#9b2c1f;--focus:#1f3ba6;--btn:#1d1c1a;--btn-fg:#ffffff}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:1.0625rem/1.6 system-ui,-apple-system,"Segoe UI",sans-serif}
.skip{position:absolute;left:-999px;top:0;background:var(--btn);color:var(--btn-fg);padding:.6rem 1rem;z-index:2}
.skip:focus{left:1rem;top:1rem}
.top{border-top:.4rem solid var(--lamp);padding:1rem;max-width:44rem;margin:0 auto}
.brand{font-weight:800;font-size:1.25rem;color:var(--fg);text-decoration:none}
.by{color:var(--muted);font-size:.95rem}
main{display:block;max-width:44rem;margin:0 auto;padding:0 1rem 3rem}
main:focus{outline:none}
h1{font-size:1.9rem;line-height:1.2;margin:1.2rem 0 1rem;overflow-wrap:anywhere}
h2{font-size:1.3rem;margin:2rem 0 .6rem}
.lead{font-size:1.15rem}
.meta,.hint{color:var(--muted)}
a{color:var(--focus)}
label{display:block;font-weight:700;font-size:1.1rem;margin-top:1.5rem}
.hint{margin:.2rem 0 .5rem}
input[type=url]{display:block;width:100%;max-width:32rem;font:inherit;padding:.65rem .75rem;border:2px solid var(--fg);
border-radius:.35rem;background:#fff;color:var(--fg)}
input[aria-invalid=true]{border-color:var(--bad);border-width:3px}
button{margin-top:1rem;font:inherit;font-weight:700;padding:.7rem 1.3rem;border:0;border-radius:.35rem;
background:var(--btn);color:var(--btn-fg);cursor:pointer;min-height:44px}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
.error{color:var(--bad);font-weight:700;margin:.3rem 0}
.summary{border:3px solid var(--bad);padding:.4rem 1rem;margin-top:1.5rem;border-radius:.35rem}
.summary h2{margin-top:.6rem;font-size:1.2rem}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
footer{max-width:44rem;margin:0 auto;padding:1rem;border-top:1px solid var(--line);color:var(--muted);font-size:.95rem}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}