body { 
    font-family: Arial, sans-serif; 
    max-width: 1200px; 
    margin: 20px auto; 
    background: #121212; 
    color: #e0e0e0; 
}
header {
    text-align: center;
    margin-bottom: 20px;
}
header h1 {
    color: #ffffff;
}
#main-container { 
    display: flex; 
    gap: 20px; 
}
#form-container { 
    flex: 1; 
}
#instructions { 
    flex: 0 0 300px; 
    background: #1e1e1e; 
    padding: 15px; 
    border-radius: 8px; 
}
#instructions h2 { 
    margin-top: 0; 
    color: #ffffff; 
}
#instructions ul { 
    padding-left: 20px; 
}
label { 
    display: block; 
    margin-top: 10px; 
    color: #e0e0e0; 
}
input, textarea, select { 
    width: 100%; 
    margin-bottom: 10px; 
    background: #333333; 
    color: #e0e0e0; 
    border: 1px solid #555555; 
    padding: 5px; 
}
textarea { 
    resize: vertical; 
}
#qr-container { 
    margin-top: 20px; 
    text-align: center; 
}
#qr-container img { 
    cursor: pointer; 
    max-width: 100%; 
}
#qr-container button { 
    display: block; 
    margin: 10px auto; 
    padding: 10px; 
    background: #007bff; 
    color: white; 
    border: none; 
    cursor: pointer; 
}
#qr-container button:hover { 
    background: #0056b3; 
}
button { 
    padding: 10px; 
    background: #007bff; 
    color: white; 
    border: none; 
    cursor: pointer; 
}
button:hover { 
    background: #0056b3; 
}
.slider-wrap { 
    display: flex; 
    align-items: center; 
    margin-bottom: 10px; 
}
.slider-wrap output { 
    margin-right: 10px; 
    color: #e0e0e0; 
    min-width: 50px; 
    text-align: right; 
}
#logo-size, #radius, #margin { 
    flex: 1; 
}
label:has(input[type="checkbox"]) { 
    display: inline-block; 
    margin-top: 10px; 
}
input[type="checkbox"] { 
    width: auto; 
    margin-right: 5px; 
}
#color-pickers {
    display: flex;
    gap: 20px;
    margin-top: 10px;
}
.color-picker {
    flex: 1;
}
.color-picker label {
    margin-bottom: 5px;
}
.color-picker input[type="color"] {
    width: 100%;
    height: 40px;
}
.size-wrap {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 10px;
}
.size-wrap select {
    width: auto;
}
.size-wrap input {
    flex: 1;
}
#dpi-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
}
.dpi-label {
    color: #e0e0e0;
}
#dpi-wrap input {
    width: 80px;
}