body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    user-select: none;
}

input[type="file"] {
    background-color: transparent !important;
}

button {
    transition: background-color, border, color, 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
    background-color: white;
    font-family: inherit;
    border-radius: 50px;
    border: 1.6px solid black;
    width: 200px;
    height: 30px;
    scale: 1;
    margin-top: 20px;
}

button:hover {
    background-color: gray;
    cursor: pointer;
    color: white;
    border: transparent;
    transition: none;
}

#downloadLink-bt {
    display: none;
    outline: none !important;
}

#downloadLinkHD-bt {
    display: none;
    outline: none !important;
}

#generate-bt {
    display: none;
}

#generateHD-bt {
    display: none;
}

#sheet {
    transition: width, height, 0.5s;
    background-color: #a7a7a7;
}

.popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: white;
    border: 1px solid #ccc;
    border-radius: 8px;
    padding: 20px;
    z-index: 1000;
    color: black;
    box-shadow: 0 4px 8px rgba(255, 255, 255, 0.2);
}

.lightmode .popup {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.popup.hidden {
    display: none;
}

.popup-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

#settings-button {
    position: fixed;
    display: flex;
    justify-content: center;
    align-items: center;
    bottom: 20px;
    right: 20px;
    background-color: #007bff;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 30px;
    cursor: pointer;
    transition: color 0.3s ease, background-color 0.3s ease;
}

#settings-button:hover {
    background-color: #0056b3;
}