:root{--bg:#F5F2E9;--card:#fff;--ink:#14211e;--muted:#5b6662;--acc:#1f7a5a;--bad:#b3261e;--line:#e3ded0}
@media (prefers-color-scheme:dark){:root{--bg:#0d1714;--card:#14211e;--ink:#eef2ef;--muted:#a8b3ae;--acc:#5fd1a4;--bad:#ff8a80;--line:#24332e}}
[hidden]{display:none!important}*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",sans-serif;overflow-wrap:anywhere}
[dir=rtl] body{font-family:"Noto Nastaliq Urdu","Noto Sans Arabic",system-ui,sans-serif;line-height:2}
.c{max-width:620px;margin:0 auto;padding:16px}
.top{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.brand{font-weight:800;color:var(--ink);text-decoration:none;letter-spacing:.04em}
.lang select{font:inherit;padding:4px;border-radius:6px;border:1px solid var(--line);background:var(--card);color:var(--ink);max-width:160px}
h1{font-size:1.6rem;margin:12px 0 6px}h2{font-size:1.15rem;margin:0 0 8px}
.muted{color:var(--muted)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;margin:14px 0}
.card.soft{background:transparent}
.btn{display:inline-block;border:0;border-radius:10px;padding:12px 18px;font:inherit;font-weight:600;cursor:pointer;background:var(--acc);color:#fff;text-decoration:none;margin:6px 0}
.btn.danger{background:var(--bad)}.btn.ghost{background:transparent;color:var(--acc);border:1px solid var(--acc)}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.chk{display:flex;gap:10px;align-items:flex-start;margin:8px 0 12px}
.code{font:700 1.35rem/1.4 ui-monospace,Menlo,Consolas,monospace;letter-spacing:.08em;background:var(--bg);padding:10px 12px;border-radius:8px;direction:ltr;text-align:center;user-select:all}
.date{font-size:1.2rem;font-weight:700}
.row{display:flex;gap:8px;flex-wrap:wrap}.row input{flex:1 1 200px;font:inherit;padding:10px;border-radius:8px;border:1px solid var(--line);background:var(--card);color:var(--ink);min-width:0}
.msg{min-height:1.5em;font-weight:600}.msg.err{color:var(--bad)}.msg.ok{color:var(--acc)}
.foot{font-size:.8rem;color:var(--muted);margin-top:24px}.foot a{color:inherit}