#sbm-sticker-builder-wrapper{
    border:1px solid #ddd;
    padding:15px;
    margin:20px 0;
    background:#fafafa;
}
#sbm-sticker-builder-wrapper h3{
    margin-top:0;
    margin-bottom:8px;
}
#sbm-sticker-builder-wrapper .sbm-row{
    margin-bottom:12px;
}
#sbm-sticker-builder-wrapper label{
    display:block;
    font-weight:600;
    margin-bottom:4px;
}
#sbm_preview_canvas{
    border:1px solid #ccc;
    background:#fff;
    width:100%;
    height:auto;
    max-width:100%;
}
.sbm-unit-toggle{
    display:inline-flex;
    border:1px solid #ccc;
    border-radius:4px;
    overflow:hidden;
}
.sbm-unit-btn{
    border:none;
    padding:4px 10px;
    background:#f0f0f0;
    cursor:pointer;
    font-size:13px;
}
.sbm-unit-btn.active{
    background:#333;
    color:#fff;
}
.sbm-size-presets label{
    display:inline-flex;
    align-items:center;
    margin-right:10px;
    font-weight:400;
}
.sbm-size-presets input[type="radio"]{
    margin-right:4px;
}
.sbm-size-custom{
    margin-top:8px;
    display:none;
}
.sbm-size-custom label{
    display:inline-block;
    margin-right:10px;
}
.sbm-label{
    display:block;
    font-weight:600;
    margin-bottom:4px;
}
.sbm-help-text{
    font-size:11px;
    color:#666;
}
.sbm-warning{
    font-size:11px;
    color:#b34b00;
}