body{background:#f5f7fb}.hero{background:linear-gradient(135deg,#0d6efd,#4dabf7);color:#fff;border-radius:20px;padding:40px}.card{border:0;border-radius:16px}.navbar-brand{font-weight:700}.stat{font-size:30px;font-weight:700}.table{background:#fff;border-radius:12px;overflow:hidden}