.sidebar {
    height: 100vh;
    background: linear-gradient(180deg, #0d47a1, #1565c0);
    color: #fff;
    padding-top: 20px;
}

    .sidebar a {
        color: #fff;
        text-decoration: none;
        display: block;
        padding: 12px 20px;
        border-radius: 8px;
        margin: 6px 0;
    }

        .sidebar a:hover, .sidebar a.active {
            background-color: #ff7043;
            color: #fff;
        }

.dashboard-header {
    background: #fff;
    padding: 15px 25px;
    border-bottom: 2px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card {
    border-radius: 15px;
    box-shadow: 0 3px 6px rgba(0,0,0,0.08);
}

    .card i {
        font-size: 28px;
        color: #1565c0;
    }