* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
}

body, html {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: 'Fredoka', 'Comic Sans MS', system-ui, -apple-system, sans-serif;
    background: #FFF8E1;
}

#popper-container {
    position: relative;
    width: 100%;
    height: 100%;
}

canvas {
    display: block;
    width: 100%;
    height: 100%;
}

.top-bar {
    position: absolute;
    top: 16px;
    left: 16px;
    right: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    pointer-events: none;
    z-index: 10;
}

.icon-btn {
    pointer-events: auto;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: #FFFFFF;
    border: 4px solid #FF9800;
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 0 #E65100;
    cursor: pointer;
}

.icon-btn:active {
    transform: translateY(4px);
    box-shadow: 0 2px 0 #E65100;
}

.score-badge {
    background: #FFFFFF;
    border: 4px solid #FF9800;
    border-radius: 30px;
    padding: 10px 24px;
    font-size: 1.5rem;
    font-weight: bold;
    color: #E65100;
    box-shadow: 0 6px 0 #E65100;
}