body {
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    background: #f5f8fa;
}
.navbar {
    background: #0e2233;
    color: #fff;
    display: flex;
    align-items: center;
    padding: 1rem 2rem;
}
.logo {
    font-weight: bold;
    font-size: 1.3rem;
    margin-right: 2rem;
}
.nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1rem;
}
.nav-links a {
    color: #fff;
    text-decoration: none;
    padding: .3rem 1rem;
    border-radius: 10px;
    transition: background .2s;
}
.nav-links a:hover {
    background: #2996d6;
}
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 1rem;
}
.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}
.card {
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 2px 16px #0001;
    padding: 2rem;
    text-align: center;
    transition: transform .15s, box-shadow .15s;
    text-decoration: none;
    color: #0e2233;
}
.card:hover {
    transform: translateY(-6px) scale(1.03);
    box-shadow: 0 8px 24px #0002;
    background: #e8f6ff;
}
.card h2 {
    margin: 0 0 .5rem;
    color: #2996d6;
}