body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000;
    font-family: 'Roboto', sans-serif;
}

#camera-view, #overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
}

#overlay {
    pointer-events: none;
}

#loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 24px;
    text-align: center;
}

.spinner {
    margin: 16px;
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

#score {
    position: absolute;
    top: 85%;
    left: 23%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 24px;
    background: rgba(0, 0, 0, 0.7);
    padding: 10px 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    font-weight: 700;
    display: none;
}

#start-button {
    position: absolute;
    color: white;
    background: #216BCB;
    border:none;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 15px 25px;
    font-size: 20px;
    cursor: pointer;
    z-index: 1;
    border-radius:20px;
}

#help-text {
    position: absolute;
    color: white;
    top: 89%;
    left: 33%;
    transform: translate(-50%, -50%);
    font-size: 14px;
    cursor: pointer;
    z-index: 1;
}