:root {
  --ink:#1d2b24; --muted:#6b7a72; --bg:#f4f7f5; --card:#fff;
  --line:#e3ebe6; --accent:#2f9e6f; --warn:#d9844a;
}
* { box-sizing:border-box; }
body { margin:0; font-family:-apple-system,system-ui,Segoe UI,Roboto,sans-serif;
  color:var(--ink); background:var(--bg); }
a { color:var(--accent); }
.topbar { display:flex; justify-content:space-between; align-items:center;
  padding:14px 18px; background:var(--card); border-bottom:1px solid var(--line); }
.topbar .brand { font-weight:700; }
.topbar a { margin-left:14px; font-size:14px; }
.wrap { max-width:920px; margin:0 auto; padding:22px 18px 64px; }
h1 { font-size:22px; margin:14px 0 4px; }
.muted { color:var(--muted); font-size:14px; }
.card { background:var(--card); border:1px solid var(--line); border-radius:12px;
  padding:16px; margin:14px 0; }
.elder-row { display:flex; justify-content:space-between; align-items:center;
  gap:12px; padding:12px 0; border-bottom:1px solid var(--line); flex-wrap:wrap; }
.elder-row:last-child { border-bottom:0; }
.badge { font-size:12px; padding:3px 9px; border-radius:999px; font-weight:600; }
.badge.ok { background:#e7f6ee; color:#1c7a4d; }
.badge.warn { background:#fbead8; color:#b15a18; }
.badge.neutral { background:#eef1ef; color:#6b7a72; }
.btn { display:inline-block; padding:8px 14px; border-radius:9px; background:var(--accent);
  color:#fff; text-decoration:none; font-size:14px; border:0; cursor:pointer; }
.btn.ghost { background:transparent; color:var(--accent); border:1px solid var(--accent); }
.grid { display:grid; grid-template-columns:repeat(2,1fr); gap:12px; }
.metric h3 { font-size:13px; margin:0 0 2px; color:var(--muted); font-weight:600; }
.metric .val { font-size:18px; font-weight:700; margin-bottom:6px; }
.chart { width:100%; height:auto; display:block; }
.alert-banner { background:#fbead8; border:1px solid #f0c69a; color:#8a4413;
  border-radius:12px; padding:14px 16px; margin:14px 0; }
.alert-banner.ok { background:#e7f6ee; border-color:#bfe6cf; color:#1c7a4d; }
form.login { max-width:380px; }
label { display:block; font-size:13px; margin:10px 0 4px; color:var(--muted); }
input { width:100%; padding:10px; border:1px solid var(--line); border-radius:9px; font-size:15px; }
code { background:#eef1ef; padding:2px 6px; border-radius:6px; font-size:13px; word-break:break-all; }
ul { margin:8px 0; padding-left:18px; }
li { margin:4px 0; }
.disclaimer { font-size:12px; color:var(--muted); margin-top:20px; line-height:1.55; }
@media (max-width:600px) { .grid { grid-template-columns:1fr; } }