:root{
  --bg: #ffffff;
  --card: #ffffff;
  --text: #222;
  --muted: #666;
  --accent: #2b8cff;
  --header: #111;
}
body.light{
  --bg: #f2f4f8;
  --card: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --header: #222;
}
body.dark{
  --bg: #0b1020;
  --card: #0f1724;
  --text: #e6eef8;
  --muted: #9aa4b2;
  --header: #05060a;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,Arial,Helvetica,sans-serif;line-height:1.5}
.wrap{max-width:1000px;margin:0 auto;padding:16px}
.site-header{background:var(--header);color:var(--text)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{margin:0;padding:12px 0;font-size:20px;color:var(--text)}
.actions{display:flex;gap:8px;align-items:center}
.actions button{padding:8px 10px;border-radius:6px;border:0;cursor:pointer}
.actions .admin-link{background:transparent;color:var(--text);text-decoration:none;padding:8px 10px;border-radius:6px;border:1px solid rgba(255,255,255,0.06)}
.main-nav{background:transparent;border-top:1px solid rgba(255,255,255,0.03)}
.main-nav .wrap{display:flex;gap:12px;align-items:center}
.main-nav a{color:var(--text);text-decoration:none;padding:12px 8px;border-radius:6px}
.main{padding:20px 16px}
.card{background:var(--card);padding:16px;border-radius:12px;margin-bottom:16px;box-shadow:0 1px 2px rgba(0,0,0,0.04)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.member-card{padding:12px;background:rgba(0,0,0,0.03);border-radius:8px}
.member-card h3{margin:0 0 6px 0}
.team.hidden{display:none}
input,select,textarea,button{font:inherit;border:1px solid rgba(0,0,0,0.08);border-radius:8px;padding:10px}
button{background:var(--accent);color:white;border:none;cursor:pointer}
.msg{margin-top:8px;color:var(--muted)}
.site-footer{padding:16px 0;color:var(--muted);text-align:center}
/* mobile tweaks */
@media(max-width:600px){
  .site-header .wrap{flex-direction:column;align-items:flex-start}
  .main-nav .wrap{flex-wrap:wrap}
}