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<?php
/**
 * Konfigurasi Resolusi 720x480
 */
$width = 720;
$height = 480;

// Parameter acak untuk gambar Picsum agar selalu berganti setiap refresh
$randomSeed = rand(1, 99999);
$imageUrl = "https://picsum.photos/{$width}/{$height}.jpg?random={$randomSeed}";
?>
<!DOCTYPE html>
<html lang="id">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Subtle CRT Glitch Engine - PHP 7.3</title>
    <style>
        body {
            background-color: #030303;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
            overflow: hidden;
        }

/* Container Monitor CRT */
        #crt-monitor {
            position: relative;
            width: <?php echo $width; ?>px;
            height: <?php echo $height; ?>px;
            background: #000;
            border: 10px solid #1a1a1a;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 0 50px rgba(0,0,0,1);
            /* Transisi cepat untuk filter agar tidak terlalu kaku */
            transition: filter 0.05s ease-out;
        }

/* Layer Gambar Dasar (Selalu Bersih) */
        .base-layer {
            position: absolute;
            top: 0; left: 0;
            width: 100%; height: 100%;
            background-image: url('<?php echo $imageUrl; ?>');
            background-size: cover;
            background-position: center;
        }

/* Layer RGB Glitch (Intensitas Dibatasi 30-50%) */
        .glitch-layer {
            position: absolute;
            top: 0; left: 0;
            width: 100%; height: 100%;
            background-image: url('<?php echo $imageUrl; ?>');
            background-size: cover;
            background-position: center;
            mix-blend-mode: screen;
            opacity: 0; /* Tersembunyi saat Off */
            z-index: 5;
            pointer-events: none;
        }

/* Filter Warna Subtle untuk RGB Split */
        .red   { filter: sepia(1) saturate(3) hue-rotate(-50deg); }
        .green { filter: sepia(1) saturate(3) hue-rotate(70deg);  }
        .blue  { filter: sepia(1) saturate(3) hue-rotate(190deg); }

/* Tekstur Garis Scanline TV */
        .scanlines {
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%;
            background: linear-gradient(
                rgba(18, 16, 16, 0) 50%, 
                rgba(0, 0, 0, 0.1) 50%
            );
            background-size: 100% 4px;
            z-index: 10;
            pointer-events: none;
        }
    </style>
</head>
<body>

let isGlitching = false;

if (isGlitching) {
                // 1. EFEK SHAKE (Getar Ringan)
                // Hanya menggetarkan maksimal 4-6 pixel agar tidak pusing
                const sx = (Math.random() - 0.5) * 8;
                const sy = (Math.random() - 0.5) * 4;
                monitor.style.transform = `translate(${sx}px, ${sy}px)`;

// 2. KETEBALAN BRIGHTNESS & NEGATIVE (Dibatasi 30-50%)
                // Brightness: normal(1.0) sampai 1.3 (+30%)
                // Negative (Invert): normal(0.0) sampai 0.3 (30%)
                const brightness = 1 + (Math.random() * 0.3);
                const negative = Math.random() * 0.3;
                monitor.style.filter = `brightness(${brightness}) invert(${negative})`;

// 3. EFEK RGB SPLIT (Halus)
                layers.forEach(l => {
                    // Geser tipis horizontal (max 6px)
                    const x = (Math.random() - 0.5) * 12; 
                    l.style.opacity = "0.35"; // Transparansi overlay hanya 35%
                    l.style.transform = `translate(${x}px, 0px)`;
                });
            }

requestAnimationFrame(updateGlitch);
        }

// Jalankan mesin glitch setelah halaman dimuat
        window.onload = updateGlitch;
    </script>
</body>
</html>

<?php
/**
 * Konfigurasi Resolusi 720x480
 */
$width = 720;
$height = 480;

let isGlitching = false;

requestAnimationFrame(updateGlitch);
        }

// Jalankan mesin glitch setelah halaman dimuat
        window.onload = updateGlitch;
    </script>
</body>
</html>

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