:root {
    --bg-deep: #eef2f6;
    --bg-sidebar: #ffffff;
    --bg-content-box: #ffffff;

    --text-main: #2d3436;
    --text-muted: #636e72;

    --neon-cyan: #0984e3;
    --neon-purple: #6c5ce7;
    --neon-green: #00b894;
    --neon-red: #ff003c;

    --border-glass: rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 10px 30px rgba(0, 0, 0, 0.05);
    --grid-line: rgba(0, 0, 0, 0.05);
    --grid-line2: rgba(128, 128, 128, 0.226);
}
.dark-mode {
    --bg-deep: #02040a;
    --bg-sidebar: rgba(5, 10, 15, 0.95);
    --bg-content-box: rgba(10, 20, 35, 0.7);

    --text-main: #e0e6ed;
    --text-muted: #8892b0;

    --neon-cyan: #00f0ff;
    --neon-purple: #bc13fe;
    --neon-green: #0aff0a;
    --neon-red: #ff003c;

    --border-glass: rgba(0, 240, 255, 0.2);
    --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.05);
    --grid-line: rgba(0, 238, 255, 0.089);
}

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

body {
    font-family: 'Roboto Mono', monospace;
    background-color: var(--bg-deep);
    color: var(--text-main);
    display: flex;
    height: 100vh;
    overflow: hidden;
    transition: background-color 0.3s;
    background-image:
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 40px 40px;
}
.bg-dasar{
    background: var(--bg-content-box);
}
.teks-main {
    color: var(--text-main)
}
.border-glass{
    border: 1px solid var(--border-glass);
}
.border-baru {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--grid-line2);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.border-baru:hover {
    border-color: var(--neon-cyan);
    box-shadow: inset 0 0 15px rgba(0, 240, 255, 0.1);
    transform: translateY(-2px);
}
/* menu-item */
.neon-red-button {
    background: transparent;
    color: var(--neon-red);
    border: 2px solid var(--neon-red);
    padding: 10px 25px;
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease-in-out;
    clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}
.orbitron{
    font-family: 'Orbitron';
}

/* --- HOVER EFFECT: BACKGROUND NEON MERAH --- */
.neon-red-button:hover {
    background-color: var(--neon-red);
    color: var(--bg-deep);
    box-shadow: 
        0 0 10px var(--neon-red),
        0 0 25px var(--neon-red);
    transform: translateY(-2px); 
}

/* --- SIDEBAR --- */
.sidebar {
    width: 260px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-glass);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    backdrop-filter: blur(10px);
    z-index: 6;
    transition: transform 0.3s ease;
}

/* --- LOGO STYLING --- */

.logo-area {
    padding: 35px 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    /* Garis pembatas halus di bawah logo */
    border-bottom: 1px solid var(--border-glass);
    background: linear-gradient(180deg, rgba(0, 240, 255, 0.05) 0%, transparent 100%);
}

.logo-box {
    display: flex;
    /* KUNCI: Agar gambar dan teks sejajar horizontal */
    align-items: center;
    /* KUNCI: Agar vertikal center */
    gap: 12px;
    /* Jarak antara gambar dan teks */

    border: 2px solid var(--neon-cyan);
    padding: 10px 20px;
    background: rgba(0, 240, 255, 0.05);

    /* Membuat sudut terpotong (Tech look) */
    clip-path: polygon(15px 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%, 0 15px);

    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

/* Efek Hover pada Kotak Logo */
.logo-box:hover {
    background: rgba(0, 240, 255, 0.15);
    box-shadow: 0 0 25px rgba(0, 240, 255, 0.3);
    transform: translateY(-2px);
    /* Sedikit naik saat dihover */
    border-color: #fff;
}

/* Styling Gambar Logo */
.logo-img {
    height: 28px;
    /* Ukuran tinggi yang pas dengan teks */
    width: auto;
    /* Lebar menyesuaikan proporsi */

    /* Memberikan efek cahaya pada gambar logo itu sendiri */
    filter: drop-shadow(0 0 5px rgba(0, 240, 255, 0.6));
}

/* Styling Teks Logo */
.logo-text {
    font-family: 'Orbitron', sans-serif;
    font-weight: 900;
    font-size: 1.4rem;
    color: white;
    letter-spacing: 1px;
    line-height: 1;
    /* Mencegah jarak baris berlebih */
}

.menu-list {
    padding: 20px 15px;
    flex-grow: 1;
}

.menu-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 6px;
    margin-bottom: 5px;
    transition: 0.2s;
}

.menu-item:hover,
.menu-item.active {
    color: var(--text-main);
    background: rgba(0, 240, 255, 0.1);
    border-left: 3px solid var(--neon-cyan);
    padding-left: 25px;
}

.menu-item i {
    width: 30px;
    font-size: 1.1rem;
}
.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    color: white;
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: 0.2s;
}

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.2);
    padding-left: 25px;
}

/* OVERLAY GELAP (Saat sidebar muncul di mobile) */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(3px);
    z-index: 5;
    display: none;
    /* Hidden by default */
    opacity: 0;
    transition: opacity 0.3s;
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

/* --- MAIN LAYOUT --- */
.main-wrapper {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: relative;
    overflow: hidden;
}

/* HEADER */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    background: transparent;
}

/* HAMBURGER MENU (MOBILE ONLY) */
.mobile-toggle {
    display: none;
    /* Hidden di Desktop */
    font-size: 1.5rem;
    color: var(--neon-cyan);
    cursor: pointer;
    margin-right: 15px;
}

.header-left-group {
    display: flex;
    align-items: center;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Orbitron';
    font-size: 1rem;
    color: var(--text-main);
}

.home-icon-box {
    width: 35px;
    height: 35px;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid var(--neon-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    color: var(--neon-cyan);
    cursor: pointer;
    transition: 0.3s;
}

.home-icon-box:hover {
    background: var(--neon-cyan);
    color: var(--bg-deep);
    box-shadow: 0 0 15px var(--neon-cyan);
}

/* HEADER RIGHT */
.header-tools {
    display: flex;
    align-items: center;
    gap: 20px;
}

.theme-toggle {
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--neon-cyan);
    transition: 0.3s;
}

/* PROFILE & DROPDOWN */
.profile-wrapper {
    position: relative;
    display: inline-block;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Orbitron';
    color: var(--neon-purple);
    font-weight: bold;
    cursor: pointer;
    padding: 5px;
    user-select: none;
}

.profile-dropdown {
    position: absolute;
    top: 160%;
    right: 0;
    width: 180px;
    background: linear-gradient(90deg, #001f80 0%, #00e0a0 100%);
    border-radius: 4px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: 0.3s;
}

.profile-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* --- CONTENT BOX --- */
.content-container {
    flex-grow: 1;
    margin: 0 30px 30px 30px;
    padding: 30px;
    background: var(--bg-content-box);
    border: 1px solid var(--border-glass);
    border-radius: 15px;
    box-shadow: var(--shadow-glow);
    backdrop-filter: blur(15px);
    overflow-y: auto;
}

.content-container::-webkit-scrollbar {
    width: 8px;
}

.content-container::-webkit-scrollbar-thumb {
    background: var(--neon-purple);
    border-radius: 4px;
}

.section-title {
    font-family: 'Orbitron';
    margin-bottom: 25px;
    border-left: 5px solid var(--neon-red);
    padding-left: 15px;
}

.grid-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.tech-card {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-glass);
    padding: 20px;
    border-radius: 10px;
    transition: 0.3s;
}

body.light-mode .tech-card {
    background: #f8f9fa;
    border: 1px solid #ddd;
}

.tech-card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-cyan);
}

.stat-number {
    font-family: 'Orbitron';
    font-size: 2rem;
    font-weight: 700;
    margin: 10px 0;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.file-item:hover {
    background: rgba(0, 240, 255, 0.05);
    border-color: var(--neon-cyan);
}

/* =================================== */
.file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    margin-bottom: 10px;

    /* Perbaikan: Ganti background dan border untuk Light Mode */
    background: rgba(255, 255, 255, 0.02);
    border: 1px dashed var(--border-glass);
    border-radius: 8px;

    transition: all 0.2s ease-out;
    /* Animasi lebih cepat dan halus */
    cursor: pointer;
    transform: translateY(0);
    /* State default */
}

/* Hover Global (Dark Mode) */
.file-item:hover {
    background: rgba(0, 240, 255, 0.08);
    /* Sedikit lebih gelap dari sebelumnya */
    border-color: var(--neon-cyan);
    transform: translateY(-3px);
    /* Efek naik */
    box-shadow: 0 5px 15px rgba(0, 240, 255, 0.1);
}

/* Light Mode Default */
body.light-mode .file-item {
    background: #ffffff;
    /* Putih bersih */
    border: 1px solid #e0e0e0;
    /* Border abu-abu tipis dan solid */
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.02);
}

/* --- HOVER EFEK BAGUS UNTUK MODE TERANG --- */
body.light-mode .file-item:hover {
    /* 1. Background Change: Tint Biru yang sangat lembut */
    background-color: #f0f8ff;

    /* 2. Border Highlight: Gunakan warna aksen Neon Cyan/Biru */
    border: 1px solid var(--neon-cyan);

    /* 3. Elevasi: Sedikit naik dan bayangan halus */
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
}

/* ========================================= */
/* MEDIA QUERIES (RESPONSIVE)               */
/* ========================================= */
@media (max-width: 768px) {

    /* 1. Sidebar disembunyikan ke kiri layar */
    .home{
        display: flex !important;
    }
    
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        transform: translateX(-100%);
        /* Geser keluar layar */
        box-shadow: 5px 0 20px rgba(0, 0, 0, 0.5);
    }

    .sidebar.active {
        transform: translateX(0);
        /* Munculkan kembali */
    }

    /* 2. Tombol Hamburger Muncul */
    .mobile-toggle {
        display: block;
    }

    /* 3. Header Adjustment */
    .header {
        padding: 15px;
    }

    .breadcrumb span {
        font-size: 0.8rem;
    }

    /* Kecilkan teks breadcrumb */

    /* Sembunyikan nama admin di HP, cukup ikon */
    .user-profile span {
        display: none;
    }

    /* 4. Content Container Adjustment */
    .content-container {
        margin: 0 10px 10px 10px;
        /* Kurangi margin drastis */
        padding: 15px;
        /* Kurangi padding dalam */
        border-radius: 8px;
    }

    /* 5. Font Size adjustments */
    .stat-number {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.2rem;
    }
}

/* ... CSS sebelumnya ... */

/* --- LOGO AREA (UPDATED) --- */
.logo-area {
    padding: 30px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border-glass);
    display: flex;
    justify-content: center;
    align-items: center;
}

.sidebar-logo {
    max-width: 180px;
    /* Lebar maksimal logo */
    height: auto;
    /* Tinggi otomatis proporsional */
    display: block;

    /* Efek Neon Glow pada Gambar */
    filter: drop-shadow(0 0 5px rgba(0, 240, 255, 0.4));
    transition: 0.3s;
}

.sidebar-logo:hover {
    /* Efek saat mouse diarahkan ke logo */
    filter: drop-shadow(0 0 15px rgba(0, 240, 255, 0.8));
    transform: scale(1.05);
}