:root{
  --bg:#f4f8ff;
  --card:#ffffff;
  --text:#0b1626;
  --muted:#5a6b85;
  --border:#d7e6ff;
  --primary:#5aa7ff;
  --primary2:#2f7fe6;
  --shadow:0 10px 30px rgba(15,60,120,.08);
  --radius:18px;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;
  background:var(--bg);
  color:var(--text);
}
a{color:inherit;text-decoration:none}
.nav{
  position:sticky; top:0;
  display:flex; justify-content:space-between; align-items:center;
  padding:14px 18px;
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.nav-right{display:flex; gap:10px; align-items:center}
.pill{
  display:inline-flex; align-items:center;
  padding:6px 10px;
  border:1px solid var(--border);
  border-radius:999px;
  background:#fff;
  font-size:12px;
  color:var(--muted);
}
.app{
  display:grid;
  grid-template-columns:260px 1fr;
  min-height:calc(100vh - 56px);
}
.side{
  padding:18px;
  border-right:1px solid var(--border);
}
.side-link{
  display:block;
  padding:12px 12px;
  border-radius:12px;
  margin-bottom:8px;
  background:rgba(255,255,255,.65);
  border:1px solid var(--border);
}
.side-link:hover{background:#fff}
.main{padding:22px}
.auth{max-width:420px;margin:60px auto;padding:18px}
h1{margin:0 0 14px 0;font-size:26px}
h2{margin:18px 0 12px 0;font-size:18px}
.form{display:flex;flex-direction:column;gap:10px}
input,select{
  padding:12px 12px;
  border-radius:14px;
  border:1px solid var(--border);
  background:#fff;
  outline:none;
}
.btn{
  display:inline-flex; justify-content:center; align-items:center;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid var(--border);
  background:#fff;
  cursor:pointer;
}
.btn.primary{
  background:linear-gradient(180deg,var(--primary),var(--primary2));
  border-color:transparent;
  color:#fff;
}
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:16px;
}
.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:12px;
}
.grid2{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:10px;
  margin-top:10px;
}
.list{display:flex;flex-direction:column;gap:10px}
.row{
  display:flex; gap:10px; align-items:center;
  padding:12px;
  border:1px solid var(--border);
  border-radius:14px;
  background:#fff;
}
.flash{
  padding:12px 14px;
  border-radius:14px;
  border:1px solid var(--border);
  margin-bottom:12px;
  background:#fff;
}
.flash.ok{border-color:#bde4c7}
.flash.err{border-color:#ffb4b4}
.muted{color:var(--muted);font-size:13px;margin-top:10px}
.check{display:flex;gap:10px;align-items:center}