:root {
    --primary-glow-color: #00ffff; /* Cyan Neon */
    --secondary-glow-color: #ff00ff; /* Magenta Neon */
    --bg-color: #0d0f1a; /* Dark Blue/Purple */
    --card-bg-color: rgba(18, 23, 46, 0.65); /* Made slightly more transparent */
    --text-color: #e0e0e0;
    --header-font: 'Orbitron', sans-serif;
    --body-font: 'Roboto', sans-serif;
}

/* --- PERBAIKAN FONT AWESOME ICONS --- */
.fas, .far, .fab, .fa, .fa-solid, .fa-regular, .fa-brands {
    font-weight: 900;
    font-family: 'Font Awesome 6 Free';
}

/* --- LATAR BELAKANG ANIMASI --- */
body {
    font-family: var(--body-font);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    background: linear-gradient(-45deg, #0d0f1a, #131a3a, #0b0d18, #1a234a);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}


/* --- LAYOUT UTAMA --- */
.container {
    width: 100%;
    max-width: 1100px;
    padding: 20px;
    margin: 0 auto; /* Center the main container */
}


/* --- STYLING HALAMAN LOGIN --- */
.login-page-body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.login-container {
    width: 100%;
    max-width: 450px;
    padding: 40px;
    background: var(--card-bg-color);
    border: 1px solid rgba(0, 255, 255, 0.5);
    border-radius: 15px;
    box-shadow: 0 0 45px rgba(0, 255, 255, 0.15);
    backdrop-filter: blur(12px); /* Enhanced blur effect */
    animation: fadeInScaleUp 0.7s ease-out forwards;
}

@keyframes fadeInScaleUp {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.login-container .main-header h1 {
    font-size: 3rem;
    color: #fff;
    text-shadow: 0 0 8px var(--primary-glow-color), 0 0 15px var(--primary-glow-color);
}
.login-container .main-header p {
    color: var(--primary-glow-color);
    letter-spacing: 1px;
}
.login-container .main-header { text-align: center; margin-bottom: 30px; }

.login-error {
    color: #ffc4c4;
    background-color: rgba(255, 0, 85, 0.25);
    padding: 12px;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 20px;
    border: 1px solid var(--secondary-glow-color);
}


/* --- HEADER SETELAH LOGIN --- */
.main-header-authed {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(0,255,255,0.3);
    animation: fadeInDown 0.6s ease-out forwards;
}
.main-header-authed h1 {
    font-family: var(--header-font);
    font-size: 2.5rem;
    color: #fff;
    text-shadow: 0 0 10px var(--primary-glow-color);
    margin: 0;
}
.user-info {
    display: flex;
    align-items: center;
    gap: 20px;
    color: var(--text-color);
}
.btn-logout {
    text-decoration: none;
    background: var(--secondary-glow-color);
    color: #fff;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s ease;
    box-shadow: 0 0 10px rgba(255, 0, 255, 0.7);
    border: 1px solid rgba(255,255,255,0.5);
}
.btn-logout:hover {
    box-shadow: 0 0 20px var(--secondary-glow-color), 0 0 30px #fff;
    transform: translateY(-2px);
}


/* --- CARD STYLE (UNTUK KONTEN UTAMA) --- */
.card {
    background: var(--card-bg-color);
    border: 1px solid rgba(0, 255, 255, 0.4);
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 0 35px rgba(0, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0; /* Start hidden for animation */
}
.upload-card { animation-delay: 0.2s; }
.file-list-card { animation-delay: 0.4s; }

.card-header {
    font-family: var(--header-font);
    color: #fff;
    text-align: left;
    margin-top: 0;
    margin-bottom: 30px;
    font-size: 1.8rem;
    border-bottom: 1px solid rgba(0, 255, 255, 0.3);
    padding-bottom: 15px;
}
.glow-icon {
    color: var(--primary-glow-color);
    text-shadow: 0 0 10px var(--primary-glow-color);
    margin-right: 12px;
}


/* --- FORM UMUM --- */
.form-group {
    margin-bottom: 25px;
    position: relative;
}
.input-icon {
    position: absolute;
    top: 50%;
    left: 18px;
    transform: translateY(-50%);
    color: var(--primary-glow-color);
    opacity: 0.7;
}
.form-group input[type="text"], .form-group input[type="password"] {
    width: 100%;
    padding: 15px 20px 15px 50px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(0, 255, 255, 0.5);
    border-radius: 8px;
    color: var(--text-color);
    font-size: 1rem;
    transition: all 0.3s ease;
    box-sizing: border-box; /* Fix padding issues */
}
.form-group input[type="text"]:focus, .form-group input[type="password"]:focus {
    outline: none;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.7);
    border-color: #fff;
    background: rgba(0, 0, 0, 0.2);
}
input[type="file"] { display: none; }
.file-label {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border: 2px dashed rgba(0, 255, 255, 0.6);
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}
.file-label:hover {
    background: rgba(0, 255, 255, 0.1);
    border-color: #fff;
}
.file-label i { margin-right: 10px; }


/* --- TOMBOL GLOW --- */
.btn-glow{position:relative;display:block;width:100%;padding:15px 20px;color:var(--primary-glow-color);font-size:16px;text-decoration:none;text-transform:uppercase;overflow:hidden;transition:.5s;letter-spacing:4px;background:transparent;border:1px solid transparent;cursor:pointer;margin-top:10px}
.btn-glow:hover{background:var(--primary-glow-color);color:#000;border-radius:5px;box-shadow:0 0 5px var(--primary-glow-color),0 0 25px var(--primary-glow-color),0 0 50px var(--primary-glow-color),0 0 100px var(--primary-glow-color);transform:scale(1.02)}
.btn-glow span{position:absolute;display:block}
.btn-glow span:nth-child(1){top:0;left:-100%;width:100%;height:2px;background:linear-gradient(90deg,transparent,var(--primary-glow-color));animation:btn-anim1 1.5s linear infinite}
@keyframes btn-anim1{0%{left:-100%}50%,100%{left:100%}}
.btn-glow span:nth-child(2){top:-100%;right:0;width:2px;height:100%;background:linear-gradient(180deg,transparent,var(--primary-glow-color));animation:btn-anim2 1.5s linear infinite;animation-delay:.375s}
@keyframes btn-anim2{0%{top:-100%}50%,100%{top:100%}}
.btn-glow span:nth-child(3){bottom:0;right:-100%;width:100%;height:2px;background:linear-gradient(270deg,transparent,var(--primary-glow-color));animation:btn-anim3 1.5s linear infinite;animation-delay:.75s}
@keyframes btn-anim3{0%{right:-100%}50%,100%{right:100%}}
.btn-glow span:nth-child(4){bottom:-100%;left:0;width:2px;height:100%;background:linear-gradient(360deg,transparent,var(--primary-glow-color));animation:btn-anim4 1.5s linear infinite;animation-delay:1.125s}
@keyframes btn-anim4{0%{bottom:-100%}50%,100%{bottom:100%}}


/* --- DAFTAR FILE & NAVIGASI FOLDER --- */
.table-container { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; margin-top: 20px; }
th, td { padding: 15px; text-align: left; border-bottom: 1px solid rgba(0, 255, 255, 0.2); }
th { color: var(--primary-glow-color); font-family: var(--header-font); }
tbody tr { transition: background-color 0.3s ease; }
tbody tr:hover { background-color: rgba(0, 255, 255, 0.05); }
.btn-download { text-decoration: none; color: #fff; background: var(--secondary-glow-color); padding: 8px 15px; border-radius: 5px; transition: all 0.3s ease; box-shadow: 0 0 10px rgba(255,0,255,0.7); }
.btn-download:hover { box-shadow: 0 0 20px var(--secondary-glow-color); transform: translateY(-2px); }
.no-files { text-align: center; padding: 40px; font-size: 1.2rem; }
.no-files .fa-ghost { font-size: 3rem; margin-bottom: 10px; color: var(--primary-glow-color); animation: float 3s ease-in-out infinite; }
.folder-navigation { padding: 10px; border-bottom: 1px solid rgba(0, 255, 255, 0.2); margin-bottom: 20px; }
.folder-navigation a { color: var(--text-color); text-decoration: none; margin: 0 10px; padding: 5px 10px; border-radius: 5px; transition: all 0.3s ease; }
.folder-navigation a:hover, .folder-navigation a.active { background-color: var(--primary-glow-color); color: var(--bg-color); text-shadow: none; }


/* --- ANIMASI UMUM --- */
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes float { 0% { transform: translateY(0px); } 50% { transform: translateY(-10px); } 100% { transform: translateY(0px); } }

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    body { padding: 10px; }
    .main-header-authed { flex-direction: column; gap: 15px; }
    table, thead, tbody, th, td, tr { display: block; }
    thead tr { position: absolute; top: -9999px; left: -9999px; }
    tr { border: 1px solid rgba(0, 255, 255, 0.3); margin-bottom: 15px; }
    td { border: none; border-bottom: 1px solid rgba(0, 255, 255, 0.1); position: relative; padding-left: 50%; }
    td:before { position: absolute; top: 15px; left: 15px; width: 45%; padding-right: 10px; white-space: nowrap; content: attr(data-label); font-weight: bold; color: var(--primary-glow-color); }
}