body {
    margin: 0;
    background: #f5f6fa;
    font-family: Segoe UI;
}

.wrapper {
    display: flex;
}

.sidebar {
    width: 250px;
    min-height: 100vh;
    background: white;
    border-right: 1px solid #eee;
}

.logo {
    padding: 25px;
    text-align: center;
    color: #d81b60;
    font-weight: bold;
}

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

    .sidebar ul li {
        margin: 8px;
    }

        .sidebar ul li a {
            display: block;
            padding: 14px;
            color: #444;
            text-decoration: none;
            border-radius: 10px;
        }

            .sidebar ul li a:hover {
                background: #d81b60;
                color: white;
            }

.main-content {
    flex: 1;
}

.topbar {
    background: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid #eee;
}

.content-area {
    padding: 25px;
}

.card-box {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,.05);
}

.stats-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,.05);
}

    .stats-card i {
        font-size: 40px;
        color: #d81b60;
    }

    .stats-card h2 {
        margin-top: 10px;
    }

.btn-main {
    background: #d81b60;
    color: white;
    border: none;
}

    .btn-main:hover {
        background: #c2185b;
        color: white;
    }