html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden; 
    background-color: black;
}

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

#dark-blur {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px); 
    z-index: 9998; 
    pointer-events: none; 
    transition: opacity 0.5s ease; 
    opacity: 1; 
}

#overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9998;
    pointer-events: none;
    display: flex;
    justify-content: center;
    align-items: center; 
    overflow: hidden;
}

#swipe-text {
    position: absolute;
    color: white;
    font-size: 1.5rem;
    font-family: Arial, sans-serif;
    z-index: 2; 
    mix-blend-mode: difference; 
    text-align: center;
    font-weight: 900; 
}

#swipe-indicator {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.circle {
    width: 75px;
    height: 75px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    position: absolute;
    animation: moveUpWithTrail 2s infinite ease-in-out;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
    overflow: visible;
}

.circle::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0) 80%);
    filter: blur(20px);
    transform: scale(1.5); 
    opacity: 0;
    animation: trailFade 2s infinite ease-in-out;
}

@keyframes trailFade {
    0% {
        opacity: 0;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 0;
    }
}

@keyframes moveUpWithTrail {
    0% {
        transform: translateY(200%); 
        opacity: 0;
        filter: blur(10px); 
    }
    50% {
        transform: translateY(0); 
        opacity: 1;
        filter: blur(0); 
    }
    100% {
        transform: translateY(-200%); 
        opacity: 0;
        filter: blur(10px); 
    }
}

#dark-blur-step2 {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 9998; 
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

#overlay-step2 {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9998;
    pointer-events: none;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    opacity: 0;
    transition: opacity 0.5s ease;
}

#double-click-text {
    position: absolute;
    color: white;
    font-size: 1.5rem;
    font-family: Arial, sans-serif;
    z-index: 2;
    mix-blend-mode: difference;
    text-align: center;
    font-weight: 900;
}

#double-click-indicator {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.double-circle {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    position: absolute;
    animation: doubleClick 2s infinite ease-in-out; 
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.double-circle:nth-child(2) {
    animation-delay: 0.2s;
}

@keyframes doubleClick {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    30% {
        transform: scale(1.5);
        opacity: 0.3;
    }
    60% {
        transform: scale(1.5);
        opacity: 0;
        filter: blur(5px);
    }
    100% {
        transform: scale(2);
        opacity: 0;
        filter: blur(10px)
    }
}
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: black;
    color: white; 
    display: flex;
    align-items: center; 
    justify-content: center; 
    font-family: Arial, sans-serif; 
    font-size: 24px; 
    z-index: 9999; 
  }
  #custom-dark-blur {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 9999; 
    pointer-events: none;
    opacity: 0;
    transition: opacity 1.5s ease;
}

#custom-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    pointer-events: none;
    z-index: 10000;
}

#custom-text {
    font-family: Arial, sans-serif;
    font-size: 3rem;
    font-weight: bold;
    color: white;
    opacity: 0;
    transform: translateY(100%); 
    filter: blur(10px); 
    transition: opacity 1s ease, transform 1s ease, filter 1s ease; 
}

#custom-text.visible {
    opacity: 1; 
    transform: translateY(0);
    filter: blur(0); 
}