* {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Poppins', sans-serif;
        background: linear-gradient(135deg, #f5f7fa 0%, #e9edf2 100%);
        min-height: 100vh;
        overflow-x: hidden;
    }

    /* ========== SIDEBAR MODERN & RAPI ========== */
    .wrapper {
        display: flex;
        width: 100%;
    }

    .sidebar {
        width: 280px;
        background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
        color: #e2e8f0;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        min-height: 100vh;
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.08);
        position: relative;
        z-index: 10;
    }

    .sidebar-wrapper {
        padding: 30px 15px 40px 15px;
    }

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

    .sidebar .nav li {
        margin: 6px 12px;
        border-radius: 16px;
        transition: all 0.2s ease;
    }

    .sidebar .nav li.active {
        background: rgba(255, 255, 255, 0.12);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    /* Menu utama & tombol dropdown */
    .sidebar .nav li a,
    .dropdown-btn {
        display: flex;
        align-items: center;
        justify-content: flex-start;  /* Rata kiri semua item */
        padding: 12px 18px;
        color: #e2e8f0;
        text-decoration: none;
        font-size: 0.95rem;
        font-weight: 500;
        transition: 0.25s;
        background: none;
        border: none;
        width: 100%;
        cursor: pointer;
        font-family: 'Poppins', sans-serif;
        border-radius: 12px;
        gap: 12px;  /* Jarak 1 spasi antara ikon dan teks */
    }

    /* Khusus untuk dropdown-btn agar teks tetap kiri dan ikon chevron di kanan */
    .dropdown-btn {
        justify-content: space-between;
    }

    .dropdown-btn span {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    /* Ikon semua menu memiliki lebar tetap agar sejajar */
    .sidebar .nav li a i,
    .dropdown-btn i:first-child {
        width: 24px;
        font-size: 1.2rem;
        text-align: center;
    }

    .dropdown-icon {
        transition: transform 0.3s;
        font-size: 0.8rem;
        opacity: 0.8;
    }

    /* Dropdown item di dalam menu */
    .dropdown-menu-items {
        list-style: none;
        padding-left: 0;   /* Hilangkan padding bawaan */
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease-out;
        background: rgba(0, 0, 0, 0.25);
        border-radius: 16px;
        margin-top: 8px;
    }

    .dropdown-menu-items.show {
        max-height: 380px;
    }

    .dropdown-menu-items li {
        margin: 0;
    }

    .dropdown-menu-items li a {
        display: flex;
        align-items: center;
        gap: 12px;          /* Jarak 1 spasi antara ikon dan teks */
        padding: 10px 18px;
        font-size: 0.85rem;
        color: #e2e8f0;
        text-decoration: none;
        border-radius: 12px;
        transition: 0.2s;
    }

    .dropdown-menu-items li a i {
        width: 24px;
        text-align: center;
        font-size: 1rem;
    }

    .dropdown-menu-items li a:hover {
        background: rgba(255, 255, 255, 0.1);
        transform: translateX(4px);
    }

    /* ========== MAIN PANEL ========== */
    .main-panel {
        flex: 1;
        background: #f8fafc;
        min-height: 100vh;
        transition: all 0.3s;
    }

    .navbar {
        background: rgba(255, 255, 255, 0.9);
        backdrop-filter: blur(10px);
        padding: 16px 28px;
        box-shadow: 0 2px 15px rgba(0, 0, 0, 0.03);
        border-bottom: 1px solid rgba(203, 213, 225, 0.5);
    }

    .navbar-wrapper {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .navbar-toggler {
        background: none;
        border: none;
        font-size: 1.6rem;
        cursor: pointer;
        color: #1e293b;
        transition: 0.2s;
        width: 40px;
        height: 40px;
        border-radius: 12px;
    }

    .navbar-toggler:hover {
        background: #eef2ff;
    }

    .navbar-brand {
        font-size: 1.35rem;
        font-weight: 700;
        background: linear-gradient(135deg, #1e293b, #3b82f6);
        background-clip: text;
        -webkit-background-clip: text;
        color: transparent;
        letter-spacing: -0.3px;
    }

    /* ========== CONTENT & CARDS ========== */
    .content {
        padding: 30px;
        max-width: 1400px;
        margin: 0 auto;
    }

    .row {
        display: flex;
        gap: 24px;
        margin-bottom: 28px;
        flex-wrap: wrap;
    }

    .card {
        background: rgba(255, 255, 255, 0.9);
        backdrop-filter: blur(2px);
        border-radius: 28px;
        padding: 24px;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.02), 0 2px 6px rgba(0, 0, 0, 0.05);
        flex: 1;
        transition: all 0.3s ease;
        border: 1px solid rgba(255, 255, 255, 0.5);
    }

    .card:hover {
        transform: translateY(-4px);
        box-shadow: 0 20px 30px -12px rgba(0, 0, 0, 0.1);
        background: white;
    }

    .card-body {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .card-icon {
        font-size: 2.8rem;
        color: #3b82f6;
        opacity: 0.8;
    }

    .info-grid {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        margin-top: 12px;
    }

    .info-card {
        flex: 1;
        min-width: 160px;
    }

    .thanks-list {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        margin-top: 16px;
    }

    .thanks-list span {
        background: linear-gradient(135deg, #e0e7ff, #c7d2fe);
        padding: 8px 20px;
        border-radius: 40px;
        color: #1e3a8a;
        font-size: 0.85rem;
        font-weight: 500;
    }

    .footer {
        text-align: center;
        padding: 24px;
        color: #5b6e8c;
        font-size: 0.85rem;
        margin-top: 30px;
        border-top: 1px solid #e2e8f0;
    }

    /* Placeholder development card */
    .dev-card {
        text-align: center;
        padding: 48px 24px;
    }

    .dev-card i {
        font-size: 4rem;
        color: #94a3b8;
        margin-bottom: 20px;
    }

    .dev-card h3 {
        font-size: 1.6rem;
        font-weight: 600;
        color: #1e293b;
        margin-bottom: 12px;
    }

    .dev-card p {
        color: #475569;
        max-width: 400px;
        margin: 0 auto;
    }

    /* ========== FLOATING SOCIAL MENU ========== */
    .fixed-plugin {
        position: fixed;
        bottom: 28px;
        right: 28px;
        z-index: 1000;
    }

    .dropdown-social {
        position: relative;
    }

    .social-trigger {
        background: white;
        width: 52px;
        height: 52px;
        border-radius: 30px;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 6px 14px rgba(0, 0, 0, 0.12);
        transition: 0.2s;
        color: #1f2937;
        font-size: 1.6rem;
    }

    .social-trigger:hover {
        transform: scale(1.05);
        background: #f1f5f9;
    }

    .dropdown-menu-social {
        position: absolute;
        bottom: 65px;
        right: 0;
        background: white;
        border-radius: 20px;
        box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
        display: none;
        flex-direction: column;
        min-width: 170px;
        overflow: hidden;
        z-index: 100;
    }

    .dropdown-menu-social.show {
        display: flex;
    }

    .dropdown-menu-social a {
        padding: 12px 20px;
        text-decoration: none;
        color: #1f2937;
        transition: 0.2s;
        font-size: 0.9rem;
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .dropdown-menu-social a:hover {
        background: #f1f5f9;
    }

    /* ========== RESPONSIVE ========== */
    @media (max-width: 768px) {
        .sidebar {
            margin-left: -280px;
            position: fixed;
            height: 100%;
            top: 0;
            left: 0;
            z-index: 1050;
        }

        .sidebar.show {
            margin-left: 0;
        }

        .row {
            flex-direction: column;
            gap: 16px;
        }

        .content {
            padding: 20px;
        }

        .navbar {
            padding: 12px 20px;
        }
    }

    /* Untuk layar sangat kecil */
    @media (max-width: 480px) {
        .sidebar {
            width: 260px;
        }
        .navbar-brand {
            font-size: 1.1rem;
        }
        .card-icon {
            font-size: 2rem;
        }
    }