:root{color-scheme:light;--ink:#163332;--muted:#5e7471;--line:#d7e3df;--brand:#18795f;font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#f1f5ef;color:var(--ink)}
*{box-sizing:border-box}body{margin:0;padding:clamp(18px,5vw,64px) 16px;min-height:100vh;background:radial-gradient(ellipse at top,#dfebe1,transparent 65%)}
.card{max-width:540px;margin:auto;padding:clamp(22px,5vw,42px);background:#fff;border:1px solid var(--line);border-radius:26px;box-shadow:0 18px 65px #14372a0a}
header{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.brand{display:inline-flex;align-items:center;gap:12px;max-width:100%;padding-block:4px;text-decoration:none}.brand-logo{display:block;width:160px;max-width:100%;height:auto;object-fit:contain}.brand span{flex-shrink:0;font-size:14px;letter-spacing:1px;color:var(--muted)}
nav{display:flex;gap:4px;flex-wrap:wrap;font-size:12px}nav a{padding:7px 8px;border-radius:8px}nav a[aria-current="page"]{background:#e5f1e9;color:#125f4b;font-weight:700;text-decoration:none}a{color:var(--brand)}h1{font-size:30px;line-height:1.2;margin:32px 0 10px}h2{font-size:22px}.muted{color:var(--muted);margin-bottom:24px}
fieldset{margin:0;padding:0;border:0}label{display:block;font-size:14px;font-weight:600;margin:14px 0 5px}input{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fafffc;color:var(--ink)}
button,.primary-link{display:block;width:100%;margin-top:18px;padding:13px 16px;border:0;border-radius:10px;background:var(--brand);color:#fff;text-align:center;text-decoration:none;font:inherit;font-weight:650;cursor:pointer}.secondary{background:#edf4ee;color:var(--ink)}button:disabled{cursor:wait;opacity:.55}:focus-visible{outline:3px solid #77baa2;outline-offset:3px}
[hidden]{display:none!important}.notice,#status.error{color:#983a32;background:#fff0e9;padding:12px;border-radius:10px}#status:empty{display:none}#status{font-size:14px}details{margin-top:20px;color:var(--muted);font-size:14px}nav a,summary,footer a{min-height:45px;display:inline-flex;align-items:center}summary{cursor:pointer;color:var(--ink)}footer{margin-top:22px;border-top:1px solid var(--line);padding-top:10px;font-size:13px}