:root{
  --bg:#f7f7f5; --card:#fff; --text:#1a1a1a; --muted:#666; --border:#e0e0e0;
  --primary:#1e4620; --primary-text:#fff; --danger:#b3261e;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#14161a; --card:#1e2126; --text:#e8e6e1; --muted:#9aa0a6;
        --border:#333a41; --primary:#3f7d43; --primary-text:#fff; --danger:#f2b8b5;}
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.5}
header{background:var(--primary)}
.header-inner{max-width:720px;margin:0 auto;padding:.75rem 1rem;display:flex;
  align-items:center;justify-content:space-between;gap:1rem}
.wordmark{color:#fff;text-decoration:none;font-weight:700;font-size:1.1rem}
nav{display:flex;align-items:center;gap:.9rem;font-size:.9rem}
.user-name{color:#fff;opacity:.85}
.nav-link{color:#fff;text-decoration:none;opacity:.9}
.nav-link:hover{opacity:1;text-decoration:underline}
main{max-width:720px;margin:0 auto;padding:1rem}
h1{font-size:1.4rem}
h2{font-size:1.1rem;margin:.2rem 0 .6rem}
.muted{color:var(--muted);font-size:.9rem}
.card{background:var(--card);border:1px solid var(--border);border-radius:10px;
  padding:1rem;margin:1rem 0}
.center{text-align:center;max-width:400px;margin:2rem auto}
.flash{background:var(--card);border:1px solid var(--border);
  border-left:3px solid var(--primary);border-radius:6px;padding:.6rem .8rem;margin:.5rem 0}
.btn{background:var(--primary);color:var(--primary-text);border:0;border-radius:8px;
  padding:.5rem .9rem;font-size:.95rem;cursor:pointer}
.btn:disabled{opacity:.6;cursor:default}
.link{background:none;border:0;color:var(--primary);cursor:pointer;padding:.2rem;
  font-size:.9rem;text-decoration:underline}
.link.danger{color:var(--danger)}
input,select{font:inherit;padding:.45rem .55rem;border:1px solid var(--border);
  border-radius:8px;background:var(--card);color:var(--text)}
.row{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}
.chk{display:flex;align-items:center;gap:.3rem;font-size:.9rem}
.sub-list{list-style:none;padding:0;margin:0 0 .8rem}
.sub-list li{display:flex;justify-content:space-between;align-items:center;gap:1rem;
  padding:.4rem 0;border-bottom:1px solid var(--border)}
.tbl{width:100%;border-collapse:collapse;margin-top:1rem;font-size:.9rem}
.tbl th,.tbl td{text-align:left;padding:.5rem .4rem;border-bottom:1px solid var(--border)}
form{margin:0}