body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f6f9;
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 260px;
    background-color: #343a40;
    transition: all 0.3s;
    z-index: 1000;
    overflow-y: auto;
}

.sidebar .sidebar-header {
    padding: 20px;
    background-color: #212529;
    text-align: center;
}

.sidebar .sidebar-header h3 {
    color: #ffffff;
    font-size: 1.5rem;
    margin: 0;
}

.sidebar ul.components {
    padding: 20px 0;
    border-bottom: 1px solid #47748b;
}

.sidebar ul li a {
    padding: 15px 20px;
    font-size: 1.1em;
    color: #adb5bd;
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: all 0.3s;
}

.sidebar ul li a i {
    margin-right: 10px;
    font-size: 1.2em;
}

.sidebar ul li a:hover,
.sidebar ul li.active>a {
    color: #fff;
    background-color: #495057;
}

.main-header {
    position: fixed;
    top: 0;
    left: 260px;
    right: 0;
    height: 60px;
    background-color: #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 0 30px;
    z-index: 999;
    transition: all 0.3s;
}

.content {
    margin-left: 260px;
    padding: 90px 20px 20px 20px;
    transition: all 0.3s;
    min-height: 100vh;
}

.content .page-header {
    background-color: #fff;
    padding: 15px 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.content .page-header .breadcrumb {
    margin-bottom: 0;
}

.sidebar-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    background: none;
    border: none;
    color: #343a40;
    margin-left: auto;
}

 /* Responsive */
@media (max-width: 768px) {
    .sidebar {
        margin-left: -260px; /* Sembunyikan sidebar di mobile */
    }
    .sidebar.active {
        margin-left: 0;
    }
    .content {
        margin-left: 0;
    }
    .main-header {
        left: 0; /* Header menempel ke kiri saat sidebar disembunyikan */
    }
    .sidebar-btn {
        display: block;
    }
}