.sticker-customizer-wrap{display:flex;gap:20px;align-items:flex-start}
.sticker-panel{width:280px;padding:12px;border:1px solid #ddd;border-radius:8px;background:#fafafa}
.sticker-panel label{display:block;margin-top:8px;font-weight:600}
.sticker-panel input[type=file]{width:100%}
.sticker-canvas-wrap{flex:1;padding:8px;border:1px solid #eee;border-radius:8px;background:#fff}
#sticker-canvas{border:1px solid #ccc;display:block;margin:0 auto}