.boulders-container{pointer-events:none;z-index:2;margin:0 auto;position:absolute;top:0;left:0;right:0}.boulder{opacity:.9;background-position:50%;background-repeat:no-repeat;background-size:cover;border-radius:50%;width:30px;height:30px;position:absolute}.heart{opacity:.9;z-index:2;position:absolute}
.camera-container{background-color:#000;border:2px solid #333;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:relative;overflow:hidden}.webcam-feed{object-fit:cover;width:100%;height:100%;display:block}
.start-screen{z-index:10;background-color:#000c;flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.start-screen h1{color:#fff;margin-bottom:1rem;font-size:3rem}.start-screen h2{color:#fff;margin-bottom:1.5rem;font-size:1.5rem;font-weight:400}.difficulty-select{flex-direction:column;align-items:center;gap:1rem;display:flex}.difficulty-buttons{flex-wrap:wrap;justify-content:center;gap:1rem;max-width:600px;display:flex}.difficulty-button{color:#fff;cursor:pointer;text-transform:capitalize;border:none;border-radius:8px;min-width:120px;padding:1rem 2rem;font-size:1.2rem;transition:all .2s}.difficulty-button:hover{filter:brightness(110%);transform:translateY(-2px);box-shadow:0 4px 8px #0003}.difficulty-button:active{filter:brightness(90%);transform:translateY(0);box-shadow:0 2px 4px #0003}
.countdown-overlay{z-index:15;background-color:#000000b3;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.countdown-number{color:#fff;font-size:8rem;animation:1s ease-in-out infinite pulse}@keyframes pulse{0%{opacity:1;transform:scale(1)}50%{opacity:.8;transform:scale(1.2)}to{opacity:1;transform:scale(1)}}