body { background:#f4f6f9; font-family:Arial, sans-serif; }
.card { background:white; padding:25px; border-radius:10px; box-shadow:0 2px 8px #ccc; margin:20px; }
.menu a { display:block; padding:12px; background:#0d6efd; color:white; margin:8px 0; text-decoration:none; border-radius:6px; }
input, select { padding:10px; width:100%; margin:6px 0 14px; }
button { padding:10px 18px; background:#198754; color:white; border:0; border-radius:6px; }
table { width:100%; border-collapse:collapse; background:white; }
td, th { border:1px solid #ddd; padding:8px; }