/* Menggunakan font Inter dari Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');
body {
    font-family: 'Inter', sans-serif';
    background-attachment: fixed; /* Memastikan gradient tetap saat scroll */
    overflow-x: hidden; /* Mencegah overflow horizontal */
    transition: background-color 0.3s ease, color 0.3s ease; /* Transisi tema */
}
/* Tema Terang (Default) */
body.light-theme {
    background-image: linear-gradient(to bottom right, #a78bfa, #818cf8, #6366f1); /* Ungu-biru gradient */
    color: #1a202c; /* Teks gelap */
}
body.light-theme .main-container {
    background-color: #ffffff; /* Latar belakang putih */
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}
body.light-theme .text-primary {
    color: #4f46e5; /* Indigo-600 */
}
body.light-theme .text-secondary {
    color: #6b7280; /* Gray-500 */
}
body.light-theme .canvas-border {
    border-color: #4f46e5; /* Indigo-600 */
}
body.light-theme .canvas-bg {
    background-color: #ffffff;
}
body.light-theme .message-box, body.light-theme .confirmation-box, body.light-theme .cropper-content, body.light-theme #moveHistoryContainer, body.light-theme #playerStatsContainer, body.light-theme #movesPerTimeGraphContainer, body.light-theme #directionalMovesGraphContainer {
    background-color: #fff;
    border-color: #4f46e5;
}
body.light-theme #moveHistoryContainer, body.light-theme #playerStatsContainer, body.light-theme #movesPerTimeGraphContainer, body.light-theme #directionalMovesGraphContainer {
    background-color: #f8fafc;
}
body.light-theme .sample-image-container:hover {
    border-color: #6366f1;
}
body.light-theme .puzzle-solved-animation {
    border-color: #10b981; /* Green-500 */
    box-shadow: 0 0 20px 5px rgba(16, 185, 129, 0.7), 0 0 30px 10px rgba(16, 185, 129, 0.5);
}
body.light-theme .moves-time-text {
    color: #4f46e5; /* Indigo-600 */
}
body.light-theme .piece-number-color {
    color: #312e81; /* Darker indigo */
}

/* Tema Gelap */
body.dark-theme {
    background-color: #1a202c; /* Darker background */
    background-image: none; /* Remove gradient */
    color: #e2e8f0; /* Light text */
}
body.dark-theme .main-container {
    background-color: #2d3748; /* Darker container */
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.15);
}
body.dark-theme .text-primary {
    color: #6366f1; /* Indigo-500, similar to light theme primary */
}
body.dark-theme .text-secondary {
    color: #a0aec0; /* Light gray */
}
body.dark-theme .canvas-border {
    border-color: #4f46e5; /* Indigo-600, similar to light theme */
}
body.dark-theme .canvas-bg {
    background-color: #2d3748; /* Darker canvas background */
}
body.dark-theme .message-box, body.dark-theme .confirmation-box, body.dark-theme .cropper-content, body.dark-theme #moveHistoryContainer, body.dark-theme #playerStatsContainer, body.dark-theme #movesPerTimeGraphContainer, body.dark-theme #directionalMovesGraphContainer {
    background-color: #2d3748;
    border-color: #4f46e5; /* Indigo-600 */
    color: #e2e8f0;
}
body.dark-theme #moveHistoryContainer, body.dark-theme #playerStatsContainer, body.dark-theme #movesPerTimeGraphContainer, body.dark-theme #directionalMovesGraphContainer {
    background-color: #1a202c;
}
body.dark-theme .sample-image-container:hover {
    border-color: #6366f1; /* Indigo-500 */
}
body.dark-theme .puzzle-solved-animation {
    border-color: #8b5cf6; /* Violet-500 for solved state */
    box-shadow: 0 0 20px 5px rgba(139, 92, 246, 0.7), 0 0 30px 10px rgba(139, 92, 246, 0.5); /* Glowing effect */
}
body.dark-theme .moves-time-text {
    color: #fff; /* White text for numbers */
}
body.dark-theme .piece-number-color {
    color: #a78bfa; /* Violet-400 */
}

/* Styling untuk canvas */
canvas {
    display: block; /* Menghilangkan spasi ekstra di bawah canvas */
    border: 3px solid; /* Border */
    border-radius: 0.75rem; /* Sudut membulat */
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    touch-action: manipulation; /* Memungkinkan event sentuhan */
    -webkit-user-select: none; /* Non-seleksi teks untuk iOS */
    -moz-user-select: none; /* Non-seleksi teks untuk Firefox */
    -ms-user-select: none; /* Non-seleksi teks untuk IE/Edge */
    user-select: none; /* Non-seleksi teks */
    /* Transisi untuk animasi kemenangan */
    transition: transform 0.5s ease-out, border 0.5s ease-out, box-shadow 0.5s ease-out;
}
.message-box, .confirmation-box {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    text-align: center;
    border: 2px solid; /* Border */
    width: 90%;
    max-width: 400px;
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
}
/* Styling untuk tombol */
.btn-primary-gradient {
    background-image: linear-gradient(to right, #6366f1, #8b5cf6); /* Indigo ke Violet */
    transition: background-image 0.2s ease-in-out, transform 0.2s ease-in-out;
}
.btn-primary-gradient:hover {
    background-image: linear-gradient(to right, #4f46e5, #7c3aed); /* Lebih gelap saat hover */
}
.btn-primary-gradient:active {
    background-image: linear-gradient(to right, #3730a3, #5b21b6); /* Lebih gelap lagi saat ditekan */
    transform: scale(0.98);
}
/* Dark Theme Specific Button Gradients for Shuffle/Replay */
.dark-theme .btn-primary-gradient {
    background-image: linear-gradient(to right, #4A90E2, #6A5ACD); /* Vibrant Blue to Medium Purple */
}
.dark-theme .btn-primary-gradient:hover {
    background-image: linear-gradient(to right, #3A7CD1, #5A4ABF); /* Darker shades */
}
.dark-theme .btn-primary-gradient:active {
    background-image: linear-gradient(to right, #2A6AB0, #4A3A9E); /* Even darker shades */
    transform: scale(0.98);
}


.btn-purple {
    background-color: #a855f7; /* Purple-500 */
    transition: background-color 0.2s ease-in-out, transform 0.2s ease-in-out;
}
.btn-purple:hover {
    background-color: #9333ea; /* Purple-600 */
}
.btn-purple:active {
    background-color: #7e22ce; /* Purple-700 saat ditekan */
    transform: scale(0.98);
}
/* Dark Theme Specific Button for Undo */
.dark-theme .btn-purple {
    background-color: #9370DB; /* MediumPurple */
}
.dark-theme .btn-purple:hover {
    background-color: #7B5ECF; /* Darker MediumPurple */
}
.dark-theme .btn-purple:active {
    background-color: #644CA3; /* Even Darker MediumPurple */
    transform: scale(0.98);
}


.btn-green-solve { /* This button is now removed from HTML, but keeping style for consistency if needed elsewhere */
    background-color: #10b981; /* Green-500 */
    transition: background-color 0.2s ease-in-out, transform 0.2s ease-in-out;
}
.btn-green-solve:hover {
    background-color: #059669;
}
.btn-green-solve:active {
    background-color: #047857;
    transform: scale(0.98);
}
/* Dark Theme Specific Button for Solve/Share */
.dark-theme .btn-green-solve {
    background-image: linear-gradient(to right, #20B2AA, #3CB371); /* LightSeaGreen to MediumSeaGreen */
}
.dark-theme .btn-green-solve:hover {
    background-image: linear-gradient(to right, #1A908A, #329A5C); /* Darker shades */
}
.dark-theme .btn-green-solve:active {
    background-image: linear-gradient(to right, #146D6D, #287A47); /* Even darker shades */
    transform: scale(0.98);
}

.btn-gray { /* General gray button for Reset */
    background-color: #6b7280; /* Gray-500 */
    transition: background-color 0.2s ease-in-out, transform 0.2s ease-in-out;
}
.btn-gray:hover {
    background-color: #4b5563; /* Gray-600 */
}
.btn-gray:active {
    background-color: #374151; /* Gray-700 saat ditekan */
    transform: scale(0.98);
}
.dark-theme .btn-gray {
    background-color: #4a5568; /* Gray-700 */
}
.dark-theme .btn-gray:hover {
    background-color: #2d3748; /* Gray-800 */
}
.dark-theme .btn-gray:active {
    background-color: #1a202c; /* Gray-900 */
    transform: scale(0.98);
}

/* Styling untuk gambar contoh yang bisa diklik */
.sample-image-container {
    width: 80px; /* Lebar tetap untuk gambar contoh */
    height: 80px; /* Tinggi tetap untuk gambar contoh */
    overflow: hidden;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    cursor: pointer;
    transition: transform 0.2s ease-in-out, border 0.2s ease-in-out;
    border: 2px solid transparent; /* Border transparan default */
}
.sample-image-container:hover {
    transform: scale(1.05); /* Sedikit membesar saat hover */
}
.sample-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Pastikan gambar mengisi container tanpa distorsi */
    display: block;
}


/* Kelas untuk animasi kemenangan */
@keyframes puzzle-bounce {
    0% { transform: scale(1); }
    50% { transform: scale(1.03); }
    100% { transform: scale(1); }
}

/* Container untuk tampilan gambar asli di bawah */
.original-image-display-container {
    display: none; /* Hidden by default */
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    margin-top: 2rem;
    background-color: #ffffff;
    border-radius: 0.75rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    width: 100%;
    max-width: 3xl; /* Match main container width */
}
.dark-theme .original-image-display-container {
    background-color: #2d3748;
}
.original-image-display-container.show {
    display: flex;
}
.original-image-display-container img {
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    margin-bottom: 1.5rem;
}
.original-image-display-container button {
    margin-top: 0; /* Adjust margin if needed */
}

/* Kelas untuk menyembunyikan main-content saat gambar asli ditampilkan */
.main-content-hidden {
    display: none;
}

/* Cropper Modal Styling */
.cropper-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.cropper-content {
    padding: 1.5rem;
    border-radius: 0.75rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    max-width: 95vw;
    max-height: 95vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}
#cropperCanvas {
    border: 2px solid;
    max-width: 100%;
    max-height: 60vh; /* Adjust as needed */
    display: block;
}
.light-theme #cropperCanvas {
    border-color: #6366f1;
    background-color: #f0f0f0;
}
.dark-theme #cropperCanvas {
    border-color: #4f46e5; /* Indigo-600 */
    background-color: #4a5568;
}
.cropper-controls {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* Loading Overlay */
#loadingOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 1.5rem;
    z-index: 1002;
    display: none; /* Hidden by default */
}
.spinner {
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid #fff;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Move History Styling */
#moveHistoryContainer {
    max-height: 150px;
    overflow-y: auto;
    border: 1px solid;
    border-radius: 0.5rem;
    padding: 0.75rem;
    font-size: 0.875rem;
    line-height: 1.5;
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}
#moveHistoryList li {
    display: flex;
    align-items: center;
    margin-bottom: 0.25rem;
}
#moveHistoryList li svg {
    margin-right: 0.5rem;
    flex-shrink: 0; /* Prevent SVG from shrinking */
}

/* Player Stats Styling */
#playerStatsContainer {
    border: 1px solid;
    border-radius: 0.5rem;
    padding: 1rem;
    margin-top: 1.5rem;
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}
#playerStatsContainer ul {
    list-style: none;
    padding: 0;
}
#playerStatsContainer li {
    margin-bottom: 0.5rem;
}
#playerStatsContainer li span {
    font-weight: 600;
}

/* Progress Indicator Styling */
#progressIndicator {
    width: 100%;
    background-color: #e0e7ff; /* Light background for progress bar */
    border-radius: 9999px; /* Full rounded corners */
    height: 1.5rem; /* Height of the bar */
    overflow: hidden; /* Ensure inner bar stays within bounds */
    margin-bottom: 1rem;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
}
.dark-theme #progressIndicator {
    background-color: #4a5568; /* Darker background for dark theme */
}

#progressBar {
    height: 100%;
    width: 0%; /* Initial width */
    background-image: linear-gradient(to right, #818cf8, #6366f1); /* Blue-purple gradient */
    border-radius: 9999px;
    transition: width 0.5s ease-out; /* Smooth transition for width changes */
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 0.875rem; /* text-sm */
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}
.dark-theme #progressBar {
    background-image: linear-gradient(to right, #4A90E2, #6A5ACD); /* Dark theme gradient */
}
#progressText {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}

/* Confetti Canvas */
#confettiCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none; /* Allow clicks to pass through */
    z-index: 1001; /* Above puzzle, below modals */
}

/* Moves Per Time Graph Styling */
#movesPerTimeGraphContainer {
    margin-top: 1.5rem;
    padding: 1rem;
    border: 1px solid;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
    text-align: center;
}
#movesPerTimeGraphSVG {
    width: 100%;
    height: 150px; /* Fixed height for the graph */
    background-color: transparent; /* Background handled by container */
}
.moves-graph-line {
    fill: none;
    stroke-width: 2;
    transition: stroke 0.3s ease;
    stroke: #4f46e5; /* Default line color */
}
.dark-theme .moves-graph-line {
    stroke: #6366f1; /* Dark theme line color */
}
.moves-graph-point {
    r: 4;
    stroke-width: 1;
    fill: #4f46e5; /* Default point color */
    stroke: #3730a3; /* Darker stroke for points */
}
.dark-theme .moves-graph-point {
    fill: #6366f1;
    stroke: #4f46e5;
}

/* Directional Moves Graph Styling */
#directionalMovesGraphContainer {
    margin-top: 1.5rem;
    padding: 1rem;
    border: 1px solid;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
    text-align: center;
}
#directionalMovesGraphSVG {
    width: 100%;
    height: 150px; /* Fixed height for the graph */
    background-color: transparent;
}
.bar-chart-bar {
    fill: #818cf8; /* Default bar color */
    transition: fill 0.3s ease;
}
.dark-theme .bar-chart-bar {
    fill: #6366f1; /* Dark theme bar color */
}
.bar-chart-label {
    font-size: 12px;
    fill: #6b7280; /* Default label color */
}
.dark-theme .bar-chart-label {
    fill: #a0aec0; /* Dark theme label color */
}

/* Promosi Website - Tanpa Background pada div */
#websitePromo {
    background-color: transparent; /* Hapus latar belakang */
    box-shadow: none; /* Hapus bayangan */
    padding: 0; /* Hapus padding jika tidak diperlukan */
}

/* Animasi Gradient Teks dan Fade In/Out dengan Pop */
.promo-text {
    font-size: 1.25rem; /* text-lg dari Tailwind */
    font-weight: bold;
    display: inline-block; /* Penting untuk gradient teks */
    background-size: 400% 400%; /* Untuk animasi gradient */
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent; /* Pastikan teks transparan untuk menampilkan gradient */
    animation: 
        gradient-text-animation 8s ease infinite, /* Kecepatan gradient */
        promo-pop-fade 4s ease-in-out infinite alternate; /* Animasi pop dan fade in/out */
    will-change: transform, opacity, background-position; /* Hint untuk performa */
}

@keyframes gradient-text-animation {
    0% { background-position: 0% 50%; background-image: linear-gradient(to right, #ff7e5f, #feb47b); } /* Orange-Red to Peach */
    25% { background-position: 100% 50%; background-image: linear-gradient(to right, #6dd5ed, #2193b0); } /* Sky Blue to Darker Blue */
    50% { background-position: 0% 50%; background-image: linear-gradient(to right, #4facfe, #00f2fe); } /* Light Blue to Cyan */
    75% { background-position: 100% 50%; background-image: linear-gradient(to right, #a770ef, #cf8bf3, #fdb99b); } /* Purple to Pink to Orange */
    100% { background-position: 0% 50%; background-image: linear-gradient(to right, #ff7e5f, #feb47b); } /* Back to start */
}

@keyframes promo-pop-fade {
    0% { opacity: 0; transform: scale(0.9); }
    20% { opacity: 1; transform: scale(1.05); }
    80% { opacity: 1; transform: scale(1); }
    100% { opacity: 0; transform: scale(0.9); }
}