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

body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #ffffff;
    color: #222222;

    min-height: 100vh;

    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    text-align: center;
    padding: 20px;
    max-width: 500px;
    width: 100%;
}

.logo {
    width: 120px;
    height: 120px;
    object-fit: contain;
    margin-bottom: 20px;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.tagline {
    font-size: 1rem;
    color: #666666;
    margin-bottom: 30px;
}

#uploadBtn {
    background-color: #008080;
    color: white;

    border: none;
    border-radius: 8px;

    padding: 14px 28px;
    font-size: 1rem;

    cursor: pointer;

    transition: 0.2s ease;
}

#uploadBtn:hover {
    opacity: 0.9;
}

#previewContainer {
    margin-top: 30px;
}

#previewImage {
    max-width: 100%;
    border-radius: 12px;
    display: none;
}