body {
    background-color: #f8f9fa;
}

.sidebar {
    height: 100vh;
    background: linear-gradient(180deg, #1d4ed8, #3b82f6);
    color: white;
    padding-top: 20px;
    position: fixed;
    width: 240px;
}

    .sidebar a {
        color: white;
        text-decoration: none;
        display: block;
        padding: 10px 20px;
        margin: 5px 0;
        border-radius: 8px;
        transition: background 0.2s;
    }

        .sidebar a:hover, .sidebar a.active {
            background-color: rgba(255, 255, 255, 0.2);
        }

.content {
    margin-left: 240px;
    padding: 20px;
}

.card {
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.profile-pic {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.btn-custom {
    background-color: white;
    color: #1d4ed8;
    border-radius: 8px;
    font-weight: bold;
}