:root{--bg:#f4f6f9;--card:#fff;--fg:#1b2430;--mute:#66758a;--pri:#1f3a5f;--acc:#3d7be0;--bad:#c0392b;--ok:#23804f;--bd:#dbe1ea}
@media (prefers-color-scheme:dark){:root{--bg:#10151c;--card:#19212b;--fg:#e8edf3;--mute:#93a1b5;--pri:#9cc0ff;--acc:#5b93f0;--bd:#2a3543}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 -apple-system,system-ui,"Segoe UI",sans-serif;padding-bottom:env(safe-area-inset-bottom)}
main{max-width:760px;margin:0 auto;padding:16px}
.top{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 16px;padding-top:calc(10px + env(safe-area-inset-top));background:var(--card);border-bottom:1px solid var(--bd);flex-wrap:wrap}
.top nav{display:flex;gap:14px;align-items:center}
.top a,.link{color:var(--pri);text-decoration:none;font-weight:600;background:none;border:0;font-size:1rem;cursor:pointer;padding:6px 0}
.brand{font-size:1.1rem}
.card{background:var(--card);border:1px solid var(--bd);border-radius:14px;padding:16px;margin:0 0 16px}
h1{font-size:1.5rem;margin:.2em 0 .6em}h2{font-size:1.15rem;margin:0 0 .6em}
label{display:block;font-weight:600;margin:12px 0 4px}
input[type=text],input[type=email],input[type=password],input[type=file],input[type=date],select{width:100%;min-height:48px;padding:10px 12px;border:1px solid var(--bd);border-radius:10px;background:var(--bg);color:var(--fg);font:inherit}
button,.btn{min-height:48px;padding:10px 18px;border:0;border-radius:10px;background:var(--acc);color:#fff;font:inherit;font-weight:600;cursor:pointer;margin-top:14px;display:inline-block;text-decoration:none}
button.link{min-height:0;margin:0;background:none;color:var(--pri)}
button.sec{background:var(--bd);color:var(--fg)}
.flash{padding:12px 14px;border-radius:10px;margin-bottom:14px;background:#e6efff;color:#12305e}.flash.error{background:#fde7e4;color:#8a1f12}.flash.ok{background:#e1f5ea;color:#145a37}
.muted{color:var(--mute)}.mono{font-family:ui-monospace,Menlo,monospace;word-break:break-all}
.people{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.person{border-left:6px solid var(--acc);padding:8px 12px;background:var(--bg);border-radius:10px}
table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:8px 6px;border-bottom:1px solid var(--bd);vertical-align:top}
.codes{columns:2;font-family:ui-monospace,Menlo,monospace;font-size:1.05rem}
.center{max-width:420px;margin:8vh auto 0}