body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f4f9;
    color: #333;
    margin: 0;
    display: flex;
}

.sidebar {
    width: 250px;
    height: 100vh;
    background: #034EA2;
    color: white;
    position: fixed;
    padding: 20px;
    box-sizing: border-box;
    overflow-y: auto;
}

.sidebar h3 {
    border-bottom: 1px solid rgba(255,255,255,0.3);
    padding-bottom: 10px;
    font-size: 18px;
    text-align: center;
}

.sidebar ul {
    list-style: none;
    padding: 0;
}

.sidebar li {
    margin: 15px 0;
}

.sidebar a {
    text-decoration: none;
    color: #e0e0e0;
    font-size: 14px;
    transition: 0.3s;
    display: block;
}

.sidebar a:hover {
    color: #ffffff;
    padding-left: 5px;
}

.main-content {
    margin-left: 250px;
    flex: 1;
    padding: 20px;
}

.container {
    max-width: 850px;
    margin: 20px auto;
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

h1 {
    color: #034EA2;
    border-bottom: 3px solid #034EA2;
    padding-bottom: 10px;
    text-align: center;
    margin-top: 0;
}

.card {
    border-left: 5px solid #d9534f; 
    background: #fffafa;
    padding: 15px;
    margin-top: 30px;
    scroll-margin-top: 20px;
}

h2 {
    color: #034EA2;
    font-size: 20px;
    margin-top: 0;
}

@media (max-width: 768px) {
    body {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }
    .main-content {
        margin-left: 0;
    }
}