:root{--ink:#17212b;--muted:#697786;--line:#dfe6ec;--brand:#087f8c;--brand2:#0aa4a7;--bg:#f4f7fb;--card:#fff;--danger:#b42318;--ok:#067647}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif}a{color:var(--brand)}.shell{max-width:1180px;margin:auto;padding:24px}.top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.brand{font-size:22px;font-weight:750}.brand span{color:var(--brand)}.grid{display:grid;grid-template-columns:260px 1fr;gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:0 8px 28px rgba(26,43,58,.06);padding:22px}.nav a{display:block;padding:11px 12px;border-radius:10px;color:var(--ink);text-decoration:none}.nav a:hover,.nav a.active{background:#e8f6f6;color:#066b75}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;padding:10px 15px;background:var(--brand);color:#fff;text-decoration:none;cursor:pointer;font-weight:650}.btn.secondary{background:#edf3f5;color:var(--ink)}.btn.danger{background:var(--danger)}label{display:block;font-weight:650;margin:14px 0 6px}input,select,textarea{width:100%;padding:11px 12px;border:1px solid #cbd6df;border-radius:10px;background:#fff;font:inherit}input:focus,textarea:focus{outline:3px solid rgba(10,164,167,.16);border-color:var(--brand2)}.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.notice{padding:12px 14px;border-radius:10px;margin:12px 0;background:#edf3f5}.notice.ok{background:#ecfdf3;color:var(--ok)}.notice.error{background:#fef3f2;color:var(--danger)}.muted{color:var(--muted)}.mail{display:grid;grid-template-columns:24px 1fr auto;gap:12px;padding:13px 4px;border-bottom:1px solid var(--line);text-decoration:none;color:inherit}.mail.unseen{font-weight:700}.mail small{display:block;color:var(--muted);font-weight:400}.actions{display:flex;gap:8px;flex-wrap:wrap}.login{max-width:460px;margin:8vh auto}.check{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line)}pre.message{white-space:pre-wrap;font:inherit;background:#f8fafc;padding:16px;border-radius:12px}@media(max-width:760px){.shell{padding:14px}.grid{grid-template-columns:1fr}.nav{display:flex;overflow:auto}.nav a{white-space:nowrap}.row{grid-template-columns:1fr}.mail{grid-template-columns:18px 1fr}.mail time{display:none}.card{border-radius:14px;padding:16px}}