* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    color: #222;
}

.container {
    max-width: 1100px;
    margin: auto;
    padding: 40px 20px;
    text-align: center;
}

h1 {
    font-size: 42px;
    margin-bottom: 10px;
}

.subtitle {
    color: #666;
    margin-bottom: 30px;
}

.upload-box {
    margin: 20px auto;
}

input[type="file"] {
    display: none;
}

.upload-box label {
    display: inline-block;
    padding: 15px 30px;
    background: #111;
    color: white;
    border-radius: 10px;
    cursor: pointer;
}

.preview-area {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 30px;
}

.image-card {
    background: white;
    padding: 15px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.image-card img,
.image-card canvas {
    width: 100%;
    max-height: 500px;
    object-fit: contain;
    border-radius: 10px;
}

button {
    border: none;
    padding: 15px 25px;
    margin: 20px 5px;
    border-radius: 10px;
    background: #111;
    color: white;
    cursor: pointer;
    font-size: 16px;
}

button:hover {
    opacity: 0.8;
}

#downloadBtn {
    background: #168a45;
}

#status {
    margin-top: 15px;
    font-weight: bold;
}

@media(max-width: 700px) {

    .preview-area {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 30px;
    }

}