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

body {
    font-family: Arial, sans-serif;
    background-color: var(--bg-color, white); /* Default to white */
    color: var(--text-color, black); /* Default to black */
}

/* Responsive Container */
.container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* Header Styling */
.header {
    padding: 20px;
    text-align: center;
    background: #e74c3c;
    color: white;
}

/* Footer Styling */
.footer {
    padding: 20px;
    text-align: center;
    background: #f39c12;
    color: white;
}

/* Grid Layout */
.grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); /* Responsif */
    grid-auto-rows: 150px; /* Tinggi default */
    gap: 10px;
    padding: 10px;
}

/* Grid Item Styling */
.grid-item {
    background-color: #ecf0f1;
    overflow: hidden;
    position: relative;
    perspective: 1000px; /* Membuat elemen 3D */
    border-radius: 5px;
}

.grid-item.tall {
    grid-row: span 2; /* Memanjangkan elemen vertikal */
}

.grid-item img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.grid-item .flip-container {
    width: 100%;
    height: 100%;
    position: absolute;
    transform-style: preserve-3d;
    transition: transform 0.8s;
}

.grid-item .flip-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    backface-visibility: hidden; /* Menyembunyikan sisi belakang saat flipping */
}

.grid-item .flip-container img.back {
    transform: rotateY(180deg); /* Posisi sisi belakang */
}

/* Flip Animasi */
.grid-item.flipping .flip-container {
    transform: rotateY(180deg); /* Flip ke sisi belakang */
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: black;
        --text-color: white;
    }
}