:root{--bg:#f6f4ef;--fg:#1d1b17;--muted:#5a554b;--card:#fff;--line:#d6d0c3;--accent:#1f4d3a;--accent-fg:#fff;--bad:#9b1c1c;--ok:#1d6b3a;--warn:#7a4b00;--focus:#0b57d0}
@media (prefers-color-scheme:dark){:root{--bg:#14130f;--fg:#f1eee6;--muted:#b9b3a4;--card:#1d1b16;--line:#3a362d;--accent:#7fc8a0;--accent-fg:#0e1a13;--bad:#ff9b9b;--ok:#8fdba9;--warn:#f0c070;--focus:#8ab4ff}}
*{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}
header,main{max-width:1000px;margin:0 auto;padding:0 16px}header{padding-top:16px}
h1{font-size:1.4rem;margin:0 0 8px}h2{font-size:1.1rem;margin:0 0 8px}
section{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;margin:16px 0}
.banner{background:#fff3cd;color:#5c4400;border:1px solid #e0c36a;border-radius:8px;padding:8px 12px;margin:0 0 12px;font-weight:600}
.muted{color:var(--muted)}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:var(--card);padding:8px;z-index:9}
label{display:block;margin:12px 0 4px;font-weight:600}input,select,button{font:inherit;color:var(--fg);background:var(--card);border:1px solid var(--muted);border-radius:8px;padding:10px 12px;min-height:44px}
input[type=checkbox]{min-height:0;width:20px;height:20px;vertical-align:middle}.check{display:flex;gap:8px;align-items:center;margin-top:12px}.check label{margin:0;font-weight:400}
button{cursor:pointer;background:var(--accent);color:var(--accent-fg);border-color:var(--accent);font-weight:600}button.secondary{background:transparent;color:var(--fg);border-color:var(--muted)}
button:disabled{opacity:.5;cursor:not-allowed}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
form button[type=submit]{margin-top:16px}.row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;min-width:560px}th,td{text-align:left;padding:8px;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:.85rem;color:var(--muted)}
.kv{list-style:none;padding:0;margin:0;display:grid;gap:4px}.pill{display:inline-block;border:1px solid currentColor;border-radius:999px;padding:0 10px;font-size:.85rem;font-weight:600}
.on{color:var(--ok)}.off{color:var(--bad)}.warn{color:var(--warn)}
.result{margin-top:16px;border-left:4px solid var(--line);padding:8px 12px;min-height:24px}.result.good{border-color:var(--ok)}.result.bad{border-color:var(--bad)}
@media(max-width:640px){body{font-size:17px}}
textarea{width:100%;font:inherit;font-family:ui-monospace,monospace;color:var(--fg);background:var(--card);border:1px solid var(--muted);border-radius:8px;padding:10px 12px}
.inline{display:flex;flex-wrap:wrap;gap:8px;align-items:end}.inline label{margin:0}.grid{display:grid;gap:8px;grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
pre,code{font-family:ui-monospace,monospace;background:var(--bg);padding:2px 6px;border-radius:6px;word-break:break-all}pre{padding:12px;white-space:pre-wrap}.result:empty{display:none}
a{color:var(--focus)}h3{font-size:1rem;margin:16px 0 4px}