:root{--bg:#f6f8fc;--card:#ffffff;--line:#e5e7eb;--text:#0f172a;--muted:#64748b;--brand:#2563eb;}
body{background:radial-gradient(circle at top left,rgba(59,130,246,.08),transparent 30%),radial-gradient(circle at bottom right,rgba(14,165,233,.08),transparent 28%),var(--bg)!important;color:var(--text);}
.glass-effect,.login-card{box-shadow:0 12px 40px rgba(15,23,42,.06);}
header,footer{backdrop-filter:saturate(140%) blur(10px);}
button,a{transition:all .18s ease;}
button:hover,a:hover{transform:translateY(-1px);}