body {
    background-color: #f4f6f9;
    font-family: 'Segoe UI', Roboto, Arial, sans-serif;
}
.card {
    border: none;
    border-radius: 14px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
}
.stat-card {
    border-radius: 14px;
    color: #fff;
    padding: 20px;
}
.stat-card h2 { margin: 0; font-weight: 700; }
.stat-card p { margin: 0; opacity: .9; }
.table-responsive { border-radius: 10px; overflow: hidden; }
.navbar-brand { letter-spacing: .5px; }
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg,#2c3e50,#4b6cb7);
    padding: 20px;
}
.login-card {
    max-width: 420px;
    width: 100%;
    border-radius: 16px;
}
@media (max-width: 576px) {
    .table-responsive table { font-size: 0.85rem; }
    .stat-card h2 { font-size: 1.5rem; }
}