:root {
    --brand-red: #FF0000;
    --brand-red-dark: #cc0000;
    --tech-blue: #0061FF;
    --tech-cyan: #00d2ff;
    --bg-body: #f4f7fa;
    --glass-white: rgba(255, 255, 255, 0.85);
    --text-main: #0f172a;
    --text-soft: #64748b;
    --card-shadow: 0 10px 40px -10px rgba(0,0,0,0.08);
    --hover-shadow: 0 20px 50px -12px rgba(0, 97, 255, 0.15);
}

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

body { 
    font-family: 'Plus Jakarta Sans', sans-serif; 
    background-color: var(--bg-body);
    color: var(--text-main);
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 97, 255, 0.03) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(255, 0, 0, 0.02) 0%, transparent 40%);
}

/* --- FLOATING TANYA ADMIN (Sudut Kanan Atas) --- */
.btn-floating-admin {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000; /* Di atas segalanya */
    text-decoration: none;
    font-size: 11px;
    font-weight: 800;
    color: black;
    background: #25D366;
    padding: 10px 18px;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    transition: 0.3s;
    display: flex;
    align-items: center;
    gap: 5px;
}
.btn-floating-admin:hover { 
    transform: scale(1.05); background: #128C7E; 
    color: white;
}

/* --- HEADER (Tetap Putih Bersih) --- */
header { 
    background: #ffffff; 
    padding: 10px 5%; 
    border-bottom: 1px solid rgba(0,0,0,0.05); 
}
.header-content { max-width: 1400px; margin: 0 auto; display: flex; align-items: center; }
.logo-box img { height: 50px; filter: drop-shadow(0 4px 6px rgba(0,0,0,0.05)); }
.title-box { padding-left: 20px; }
.brand-name { font-size: 26px; font-weight: 800; color: var(--brand-red); letter-spacing: -0.5px; line-height: 1; }
.brand-tagline { font-size: 11px; color: var(--text-soft); font-weight: 600; margin-top: 5px; letter-spacing: 1px; }

/* --- NAVIGATION (Dark Tech Gradient) --- */
nav { 
    width: 100%; 
    position: sticky; 
    top: 0; 
    z-index: 1000;
    /* Background sesuai permintaan Anda */
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}
.nav-inner { 
    max-width: 1400px; 
    margin: 0 auto; 
    padding: 0 5%;
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    min-height: 60px; /* Sedikit lebih ramping agar elegan */
}
nav ul { list-style: none; display: flex; gap: 25px; flex-wrap: wrap; } 

/* Penyesuaian Warna Font Menu agar kontras dengan background gelap */
nav ul li a { 
    text-decoration: none; 
    color: rgba(255, 255, 255, 0.7); /* Putih transparan agar soft */
    font-size: 13px; 
    font-weight: 700; 
    transition: 0.3s; 
    position: relative;
    padding: 20px 0;
    display: inline-block;
}

/* Warna saat Hover & Active (Menggunakan warna Merah Terang Anda) */
nav ul li.active a,
nav ul li a:hover { 
    color: #ffffff; /* Putih terang saat aktif/hover */
}

nav ul li.active a::after { 
    content: ''; 
    position: absolute; 
    bottom: 12px; 
    left: 0; 
    width: 100%; 
    height: 3px; 
    background: var(--brand-red); 
    border-radius: 10px; 
    box-shadow: 0 0 10px rgba(255, 0, 0, 0.5); /* Efek glow tipis pada garis merah */
}

/* Penyesuaian Nama Akun agar terlihat di background gelap */
.user-acc-name { 
    font-size: 12px; 
    font-weight: 800; 
    color: var(--tech-cyan); /* Gunakan Cyan agar kontras dengan Navy */
    text-transform: uppercase; 
    border-left: 1px solid rgba(255,255,255,0.1); 
    padding-left: 15px; 
}

.user-acc-name { font-size: 12px; font-weight: 800; color: var(--tech-blue); text-transform: uppercase; border-left: 2px solid #ddd; padding-left: 15px; }

/* --- MAIN --- */
.container { max-width: 1300px; margin: 20px auto; padding: 0 25px; }
.tab-wrapper { background: #e2e8f0; padding: 6px; border-radius: 16px; display: inline-flex; margin-bottom: 20px; }
.tab-btn { padding: 12px 25px; text-decoration: none; font-size: 13px; font-weight: 700; border-radius: 12px; transition: 0.3s; color: var(--text-soft); }
.tab-btn.active { background: var(--white); color: var(--brand-red); box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.main-heading { font-size: 30px; font-weight: 800; margin-bottom: 10px; color: var(--text-main); letter-spacing: -1px; }
.main-heading span { color: var(--brand-red); }
.sub-heading { color: var(--text-soft); margin-bottom: 20px; font-size: 20px; font-weight: 500; }

/* Breadcrumb Modern */
.news-breadcrumb {
    font-size: 13px;
    color: var(--text-soft);
    margin-bottom: 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;}
.news-breadcrumb a {
    color: var(--tech-blue);
    text-decoration: none;
    transition: 0.2s;}
.news-breadcrumb a:hover {color: var(--brand-red);}

/* --- LOADING CSS --- */
/* Container pembungkus harus relative */
.content-area { 
    position: relative; 
}
#content-loader {
    position: absolute;
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; /* Dia akan mengikuti tinggi container .content-area */
    max-height: 500px; /* Batasi agar spinner hanya muncul di area atas saja */
    background: #ffffff; 
    display: flex; 
    justify-content: center; 
    align-items: center;
    z-index: 999; 
    /* Hapus transition opacity agar hilang instan tanpa animasi pudar */
}
.spinner-modern {
    width: 45px;
    height: 45px;
    border: 4px solid #f1f5f9;
    border-top: 4px solid var(--brand-red);
    border-radius: 50%;
    animation: spin-loader 0.8s linear infinite;
}
@keyframes spin-loader {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* --- PRODUCT GRID --- */
.grid-layout { 
    display: grid; 
    /* repeat(auto-fit, ...) akan membuat kolom fleksibel */
    /* minmax(200px, 1fr) memastikan kolom punya lebar minimal */
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); 
    
    /* Membatasi lebar grid agar maksimal hanya bisa menampung 5 produk (sekitar 1300px) */
    max-width: 1300px; 
    
    /* Mengetengahkan grid itu sendiri terhadap halaman */
    margin-left: auto;
    margin-right: auto;
    
    /* Mengetengahkan item di dalam grid jika jumlahnya sedikit */
    justify-content: center; 
    
    gap: 20px; 
    margin-bottom: 70px;
}
.card-item { 
    max-width: 250px; /* Atur lebar maksimal kartu agar proporsional */
    width: 100%;
    margin: 0 auto; /* Mengetengahkan kartu di dalam sel grid-nya */
    background: #fff; 
    border-radius: 16px; 
    overflow: hidden; 
    border: 1px solid rgba(255,255,255,1); 
    box-shadow: var(--card-shadow); 
    transition: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); 
    position: relative;
}
.card-item a {
    width: 100%; /* Pastikan link memenuhi lebar kartu */
}
.card-item:hover { transform: translateY(-15px); box-shadow: var(--hover-shadow); border-color: var(--tech-blue); }
.card-item img { width: 100%; display: block; transition: 0.5s; }
.card-item:hover img { transform: scale(1.05); }

.btn-download { 
    /* Ukuran lebih kecil */
    padding: 4px 10px; 
    font-size: 10px; 
    
    /* Warna Merah Tua Gradient Hitam */
    background: linear-gradient(180deg, #8b0000 0%, #330000 100%);
    
    color: white; 
    border-radius: 6px; 
    text-transform: uppercase; 
    text-decoration: none;
    display: inline-block;
    
    /* Efek 3D (Shadow di bawah tombol) */
    box-shadow: 0 4px 0 #1a0000; 
    
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

/* Efek Hover */
.btn-download:hover {
    background: linear-gradient(180deg, #a50000 0%, #4d0000 100%);
    transform: translateY(-1px);
    box-shadow: 0 5px 0 #1a0000;
}

/* Efek saat Diklik (Tombol seperti tertekan) */
.btn-download:active {
    transform: translateY(3px);
    box-shadow: 0 1px 0 #1a0000;
}

/* --- DASHBOARD USER AREA --- */
.user-panel {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border-radius: 30px; padding: 50px; margin-top: 10px; color: white;
    display: flex; justify-content: space-between; align-items: center;
    position: relative; overflow: hidden;
}
.user-panel::before { content: ''; position: absolute; top: -50%; right: -10%; width: 400px; height: 400px; background: var(--brand-red); filter: blur(120px); opacity: 0.15; z-index: 1; }
.user-info { position: relative; z-index: 2; }
.user-info h2 { font-size: 28px; margin-bottom: 10px; font-weight: 800; }

/* FIX: Agar tombol login aktif di layar besar */
.user-btns { position: relative; z-index: 10; display: flex; gap: 15px; } 
.btn-portal { padding: 16px 40px; border-radius: 14px; text-decoration: none; font-weight: 700; transition: 0.3s; display: inline-block; }
.btn-red { background: var(--brand-red); color: white; box-shadow: 0 8px 20px rgba(255,0,0,0.3); }
.btn-red:hover { background: white; color: var(--brand-red); transform: translateY(-3px); }
.btn-outline-white { border: 2px solid rgba(255,255,255,0.2); color: white; }
.btn-outline-white:hover { background: rgba(255,255,255,0.1); border-color: white; }

/* SCROLL TO TOP */
#scrollTop {
    position: fixed; bottom: 30px; right: 30px; width: 45px; height: 45px;
    background: var(--brand-red); color: white; border: none; border-radius: 12px;
    cursor: pointer; display: none; z-index: 1500; font-weight: bold; font-size: 20px;
    box-shadow: 0 5px 15px rgba(255,0,0,0.3); transition: 0.3s;
}
#scrollTop:hover { background: var(--text-main); transform: translateY(-5px); }

footer { padding: 20px 0; text-align: center; background: #fff; margin-top: 20px; border-top: 1px solid #e2e8f0; }
.footer-copy { color: var(--text-soft); font-size: 13px; font-weight: 500; }
.footer-copy strong { color: var(--brand-red); }

/* Responsif untuk Mobile */
@media (max-width: 768px) {
   /* Header tetap sejajar (Row) tapi ke tengah */
    .header-content { 
        display: flex;
        flex-direction: row; /* Memaksa tetap satu baris */
        justify-content: center; /* Membuat konten ke tengah */
        text-align: left; /* Teks tetap rata kiri terhadap logo */
        padding: 0;
    }

    .logo-box img { 
        height: 40px; /* Sedikit dikecilkan agar muat di layar HP */
    }

    .title-box { 
        padding-left: 12px; /* Jarak antara logo dan teks diperkecil sedikit */
    }

    .brand-name { 
        font-size: 18px; /* Ukuran teks judul di HP */
    }

    .brand-tagline { 
        font-size: 9px; 
    }

    /* Navigasi (Menu Jadi Lebih Ramping & Kecil) */
    nav { position: sticky; top: 0; }
    .nav-inner { 
        flex-direction: column; 
        gap: 8px;   /* Jarak antar baris diperkecil */
        padding: 5px 5%;   /* Padding atas bawah nav dikurangi */
        height: auto; 
        min-height: auto;   /* Menghilangkan paksaan tinggi minimal */
    }
    
    nav ul { 
        justify-content: center; 
        gap: 10px 15px;      /* Gap horizontal 15px, vertikal 10px jika wrap */
        width: 100%;
    }
    
    nav ul li a { 
        font-size: 10px;    /* Ukuran font sesuai permintaan */
        padding: 4px 0;     /* Padding sangat tipis agar menu ramping */
        letter-spacing: 0.3px;
    }

    /* Penyesuaian Nama Akun di Mobile */
    .user-acc-name { 
        border-left: none; 
        padding-left: 0; 
        border-top: 1px solid rgba(255,255,255,0.15); /* Garis pemisah tipis transparan */
        padding-top: 8px; 
        margin-top: 5px;
        width: 100%; 
        text-align: center; 
        font-size: 10px;
        color: var(--tech-cyan);
    }

    /* Indikator Aktif di mobile */
    nav ul li.active a::after {
        bottom: -2px;       /* Merapat ke teks */
        height: 2px;
    }

    /* Panel User & Buttons - Optimalisasi ruang */
    .user-panel { 
        padding: 40px 20px; 
        flex-direction: column; 
        border-radius: 20px;
        text-align: center; 
        gap: 20px; 
        margin-top: 40px;
    }
    .user-info h2 { font-size: 20px; line-height: 1.3; }
    .user-info p { font-size: 12px; }
    
    .user-btns { 
        flex-direction: column; 
        width: 100%; 
        gap: 12px; 
        margin-left: 0; 
    }
    .btn-portal { 
        width: 100%; 
        text-align: center; 
        padding: 14px; 
        font-size: 13px;
        margin-left: 0 !important; /* Memaksa margin kiri hilang di mobile */
    }

    /* Tombol Tanya Admin Melayang - Posisi agar tidak menabrak logo */
    .btn-floating-admin { 
        top: 25px; 
        right: 10px; 
        padding: 10px 20px; 
        font-size: 10px;
        border-radius: 30px;
    }
    
    .container { margin: 5px auto; padding: 0 5px; }
    
    .tab-wrapper { background: #e2e8f0; padding: 4px; border-radius: 16px; display: inline-flex; margin-bottom: 10px; }
    .tab-btn { padding: 12px 8px; text-decoration: none; font-size: 10px; font-weight: 700; border-radius: 12px; transition: 0.3s; color: var(--text-soft); }
    
    .sub-heading { color: var(--text-soft); margin-bottom: 10px; font-size: 18px; font-weight: 500; }

    /* Grid Layout - dua kolom untuk mobile */
    .grid-layout { 
        display: grid; /* Pastikan display grid tetap aktif */
        grid-template-columns: repeat(2, 1fr); 
        gap: 15px;
    }
    
    .main-heading { font-size: 26px; }
    
    /* Scroll to Top - Kecilkan sedikit untuk mobile */
    #scrollTop {
        width: 35px;
        height: 35px;
        bottom: 20px;
        right: 20px;
        font-size: 16px;
    }
}

/* Responsif untuk Tablet & Mobile */
@media (max-width: 500px) {
    .news-container { flex-direction: column; gap: 20px; }
    .news-main-content, .news-sidebar { flex: 1 1 100%; width: 100%; }
    .news-main-content { padding: 25px 5px; border-radius: 5px; }
    .news-title { font-size: 24px; }
    .sidebar { padding: 5px; }
    .news-sidebar-category { padding: 5px; border-radius: 5px; }
    .sidebar-widget { padding: 5px; border-radius: 5px; }
    .user-panel { padding: 20px 10px; border-radius: 10px; }
    .card-item { border-radius: 10px; }
}