/* CN2 Testbench: same layout and tokens as the claude.ai testbench page; system fonts only (CSP default-src 'self'). */
:root{
  --bg:#f3f5f4; --panel:#ffffff; --ink:#14201d; --muted:#5b6b66; --line:#d8e0dd; --accent:#0f6b5c; --accent-ink:#ffffff;
  --red:#b3261e; --red-bg:#fbe9e7; --yellow:#8a6100; --yellow-bg:#fdf3d7; --green:#1d6b3a; --green-bg:#e3f3e8; --grey-bg:#eef1f0;
  --f-body:"Segoe UI","IBM Plex Sans Arabic",Tahoma,"Arial",sans-serif;
  --f-mono:Consolas,ui-monospace,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0f1514; --panel:#172120; --ink:#e3ece9; --muted:#9aaba6; --line:#2a3735; --accent:#4fbfa8; --accent-ink:#0b1513;
  --red:#ff8a80; --red-bg:#3a1a18; --yellow:#f2c55c; --yellow-bg:#352a10; --green:#7fd49b; --green-bg:#16301f; --grey-bg:#1d2826; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0f1514; --panel:#172120; --ink:#e3ece9; --muted:#9aaba6; --line:#2a3735; --accent:#4fbfa8; --accent-ink:#0b1513;
  --red:#ff8a80; --red-bg:#3a1a18; --yellow:#f2c55c; --yellow-bg:#352a10; --green:#7fd49b; --green-bg:#16301f; --grey-bg:#1d2826; color-scheme:dark}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.6;direction:rtl}
a{color:var(--accent)}
.wrap{max-width:1180px;margin:0 auto;padding-inline:16px;padding-block:20px 40px;display:flex;flex-direction:column;gap:18px}
.wrap.narrow{max-width:460px}
header{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 16px}
h1{font-weight:600;font-size:26px;margin:0}
.sub{color:var(--muted);margin:0;font-size:14px}
.engine{font-size:13px;padding:4px 10px;border-radius:999px;border:1px solid var(--line);background:var(--panel);color:var(--muted)}
.engine b{color:var(--ink)}
.grid{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:18px;align-items:start}
@media (max-width:860px){.grid{grid-template-columns:minmax(0,1fr)}}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px;display:flex;flex-direction:column;gap:12px;min-width:0}
h2{font-size:15px;margin:0}
label{font-size:13px;color:var(--muted);display:flex;flex-direction:column;gap:4px}
input,textarea{font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:8px 10px;width:100%}
textarea{min-height:90px;resize:vertical}
input:focus-visible,textarea:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
button{font:inherit;cursor:pointer;border-radius:8px;border:1px solid var(--line);background:var(--panel);color:var(--ink);padding:7px 12px}
button.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:600}
button:disabled{opacity:.5;cursor:not-allowed}
.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.stack{display:flex;flex-direction:column;gap:12px}
form.inline{display:inline;margin:0}
.hint{font-size:12.5px;color:var(--muted);margin:0}
.msg{font-size:13px;margin:0;min-height:1.2em}
.msg.err{color:var(--red)}
.tabs{display:flex;gap:6px;flex-wrap:wrap}
.tabs button{font-size:13px;padding:4px 10px}
.tabs button[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.list{display:flex;flex-direction:column;gap:6px;max-height:560px;overflow:auto}
.item{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:10px;align-items:center;text-align:start;padding:9px 10px;border-radius:8px;border:1px solid transparent;background:var(--grey-bg)}
.item[aria-current="true"]{border-color:var(--accent)}
.item .nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.item .meta{font-size:12px;color:var(--muted)}
.dot{width:12px;height:12px;border-radius:50%;background:var(--line)}
.dot.RED{background:var(--red)} .dot.YELLOW{background:var(--yellow)} .dot.GREEN{background:var(--green)}
.chip{font-size:12px;border-radius:999px;padding:2px 9px;white-space:nowrap;background:var(--grey-bg);color:var(--muted)}
.chip.RED{background:var(--red-bg);color:var(--red)} .chip.YELLOW{background:var(--yellow-bg);color:var(--yellow)} .chip.GREEN{background:var(--green-bg);color:var(--green)}
.verdict{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent)}
.empty{color:var(--muted);font-size:14px;padding:18px 6px;text-align:center}
.case-head{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between}
.case-name{font-size:22px;font-weight:600;margin:0;overflow-wrap:anywhere}
.result{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
@media (max-width:560px){.result{grid-template-columns:repeat(2,minmax(0,1fr))}}
.kv{background:var(--grey-bg);border-radius:8px;padding:8px 10px;min-width:0}
.kv .k{font-size:12px;color:var(--muted)} .kv .v{font-weight:600;overflow-wrap:anywhere}
.big.RED{color:var(--red)} .big.YELLOW{color:var(--yellow)} .big.GREEN{color:var(--green)}
.num{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.reasons{display:flex;flex-wrap:wrap;gap:6px}
.reasons span{font-size:12.5px;background:var(--grey-bg);border-radius:6px;padding:2px 8px}
.tbl{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:13.5px}
th,td{text-align:start;padding:6px 8px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:12px;color:var(--muted);font-weight:500}
.vbtns{display:flex;flex-wrap:wrap;gap:6px}
.vbtns button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.reply{border-inline-start:3px solid var(--accent);background:var(--grey-bg);padding:8px 12px;border-radius:6px;font-size:14px}
.status-line{font-size:13px;color:var(--muted)}
/* r12ui: tab «ملاحظاتي والردود» */
[hidden]{display:none !important}
.badge{display:inline-block;min-width:1.7em;padding:0 6px;margin-inline-start:4px;border-radius:999px;background:var(--red);color:var(--panel);font-size:12px;font-weight:700;text-align:center;line-height:1.6}
a.engine{text-decoration:none;color:var(--ink)}
.ntabs{display:flex;gap:6px;flex-wrap:wrap}
.ntabs button{font-size:13px;padding:4px 10px}
.ntabs button[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.nlist{display:flex;flex-direction:column;gap:10px;max-height:640px;overflow:auto}
.nitem{background:var(--grey-bg);border-radius:8px;padding:10px 12px;display:flex;flex-direction:column;gap:4px;min-width:0}
.nitem p{margin:0}
.nitem .nm{font-weight:600;overflow-wrap:anywhere}
.nitem .reply{background:var(--panel)}
.nnote,.rtext{font-size:14px;overflow-wrap:anywhere;white-space:pre-wrap}
.linkbtn{background:none;border:none;padding:0;color:var(--accent);text-decoration:underline;font-weight:600}
.chip.st-fixed{background:var(--yellow-bg);color:var(--yellow)} .chip.st-rejected{background:var(--red-bg);color:var(--red)}
.chip.st-accepted,.chip.st-retested{background:var(--green-bg);color:var(--green)}
/* r13ui: owner view «كل الملاحظات والردود» */
.afilters{align-items:flex-end}
.afilters label{flex-direction:row;align-items:center;gap:6px}
select{font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:6px 8px}
select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
#an-list td.nnote,#an-list td.rtext{min-width:10em;max-width:28em}