body{margin:0;padding:0;background:#0a0a1a;overflow:hidden;font-family:'Segoe UI',sans-serif;color:#fff}.layer{position:absolute;top:0;left:0;width:100vw;height:100vh;object-fit:cover;transform:scaleX(-1)}#canvas-wrapper{position:absolute;top:0;left:0;width:100vw;height:100vh;z-index:2;pointer-events:none}.p5Canvas{width:100% !important;height:100% !important;object-fit:cover !important;transform:scaleX(-1)}#ui{position:absolute;top:15px;left:20px;z-index:10;text-shadow:0 0 10px #0ff}h1{margin:0;font-size:26px;color:#0ff;text-transform:uppercase;letter-spacing:2px}#camera-select{margin-top:8px;padding:6px 10px;background:rgba(0,255,255,.1);color:#0ff;border:1px solid #0ff;border-radius:5px;outline:none;display:none;font-size:13px;cursor:pointer}.loader{border:4px solid rgba(0,255,255,.2);border-top:4px solid #0ff;border-radius:50%;width:22px;height:22px;animation:spin 1s linear infinite;display:inline-block;vertical-align:middle;margin-left:10px}@keyframes spin{to{transform:rotate(360deg)}}.overlay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;z-index:20;background:rgba(0,0,0,.85);padding:35px 50px;border-radius:20px;border:2px solid #0ff;box-shadow:0 0 30px #0ff;display:none}.overlay h2{margin:0;font-size:30px;color:#0ff;text-shadow:0 0 10px #0ff}.overlay p{font-size:18px;color:#ccc;margin-top:12px}.overlay .big{font-size:56px;font-weight:bold;color:#ffff00;margin:15px 0}#timer-bar{position:absolute;top:0;left:0;height:6px;background:linear-gradient(90deg,#0ff,#ff00ff);z-index:15;transition:width .5s linear}.diff-btn{display:inline-block;margin:8px;padding:15px 30px;border-radius:12px;border:2px solid #0ff;background:rgba(0,255,255,.1);color:#0ff;font-size:20px;font-weight:bold;cursor:pointer;transition:all .3s}.diff-btn:hover{background:rgba(0,255,255,.3);box-shadow:0 0 20px #0ff}.diff-btn .num{font-size:36px;display:block;margin-bottom:5px}