:root {
    --neon-green: #0f0;
    --neon-blue: #0ff;
    --neon-pink: #f0f;
    --bg-dark: #050505;
    --panel-bg: rgba(20, 20, 20, 0.9);
    --border-color: #333;
    --font-main: 'Courier New', monospace;
}

body {
    background-color: var(--bg-dark);
    color: #eee;
    font-family: var(--font-main);
    margin: 0;
    padding: 0;
    background-image:
        linear-gradient(rgba(0, 255, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 0, 0.03) 1px, transparent 1px);
    background-size: 20px 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Cyberpunk Glitch Header */
h1,
h2,
h3 {
    text-transform: uppercase;
    color: var(--neon-blue);
    text-shadow: 0 0 5px var(--neon-blue);
    letter-spacing: 2px;
}

.cyber-card {
    background: var(--panel-bg);
    border: 1px solid var(--neon-green);
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.2);
    padding: 20px;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
}

.cyber-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-green), transparent);
    animation: scanline 2s linear infinite;
}

@keyframes scanline {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

input,
select,
textarea {
    background: #000;
    border: 1px solid var(--border-color);
    color: var(--neon-green);
    padding: 10px;
    font-family: inherit;
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 10px;
}

input:focus {
    border-color: var(--neon-blue);
    outline: none;
    box-shadow: 0 0 5px var(--neon-blue);
}

button {
    background: transparent;
    border: 1px solid var(--neon-pink);
    color: var(--neon-pink);
    padding: 10px 20px;
    cursor: pointer;
    text-transform: uppercase;
    font-weight: bold;
    transition: all 0.3s ease;
}

button:hover {
    background: var(--neon-pink);
    color: #fff;
    box-shadow: 0 0 15px var(--neon-pink);
}

.btn-green {
    border-color: var(--neon-green);
    color: var(--neon-green);
}

.btn-green:hover {
    background: var(--neon-green);
    color: #000;
    box-shadow: 0 0 15px var(--neon-green);
}

.auth-form {
    max-width: 400px;
    margin: 100px auto;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.nav a {
    color: #aaa;
    text-decoration: none;
    margin-left: 20px;
}

.nav a:hover,
.nav a.active {
    color: var(--neon-blue);
}

.storage-bar-container {
    width: 100%;
    background: #333;
    height: 20px;
    margin-top: 5px;
}

.storage-bar-fill {
    height: 100%;
    background: var(--neon-green);
    width: 0%;
    transition: width 0.5s ease;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.gallery-item {
    background: #111;
    padding: 10px;
    border: 1px solid #333;
}

.gallery-item img {
    max-width: 100%;
    display: block;
}

.hidden {
    display: none;
}

.status-badge {
    padding: 2px 5px;
    border: 1px solid;
    font-size: 0.8em;
}

.status-paid {
    color: var(--neon-green);
    border-color: var(--neon-green);
}

.status-free {
    color: #aaa;
    border-color: #aaa;
}

/* Responsive Media Queries */
@media (max-width: 768px) {
    .container {
        padding: 10px;
        width: 100%;
        box-sizing: border-box;
    }

    .nav {
        flex-direction: column;
        align-items: center;
        gap: 15px;
        text-align: center;
    }

    .nav a {
        margin: 5px 0;
        display: block;
    }

    h1 {
        font-size: 2em;
    }

    h2 {
        font-size: 1.5em;
    }

    h3 {
        font-size: 1.2em;
    }

    .btn-neon,
    button,
    input,
    select,
    textarea {
        width: 100%;
        margin-bottom: 10px;
    }

    /* Stack flex containers on mobile */
    .cyber-card,
    .auth-form {
        margin: 10px 0;
        padding: 15px;
    }

    /* For auth forms in index.php */
    .auth-form {
        margin: 20px auto;
        width: 100%;
    }



    /* Ensure gallery images capture full width if needed, essentially already handled by grid but good to ensure */
    .gallery {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 10px;
    }

    /* Table Responsiveness for Admin Panel */
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

    /* Modal adjustments */
    #upgrade-modal .cyber-card {
        width: 90% !important;
        margin: 50% auto !important;
        /* Centering vertically roughly */
        transform: translateY(-50%);
        top: 0;
    }
}