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

#vhsCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9999;
  pointer-events: none; 
  opacity: 0.5;
}

#popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: black;
  color: white;
  font-family: 'Times New Roman', serif;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 24px;
  z-index: 10000;
  cursor: pointer;
  opacity: 1;
  transition: opacity 0.5s ease;
}

html::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 200%;
  height: 200%;
  background: repeating-conic-gradient(#8B0000 0 25%, #DC143C 0 50%) 0 0 / 80px 80px;
  animation: move-bg 4s linear infinite;
  z-index: -1;
}

.tv-line {
  width: 100vw;
  height: 2px;
  background: white;
  animation: tvOn 1.5s ease-out forwards;
}

@keyframes tvOn {
  0% {
    height: 2px;
    opacity: 1;
  }
  30% {
    height: 100vh;
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}


@keyframes move-bg {
  from {
    transform: translate(0, 0);
  }
  to {
    transform: translate(-80px, -80px);
  }
}

@view-transition {
  navigation: auto;
}

body {
  margin: 0;
  padding: 0;
  height: 100vh;
  width: 100vw;
  display: flex;
  align-items: center;
  overflow-x: hidden;
}

.back-button {
  position: fixed;
  bottom: -30px;
  right: 20px;
  z-index: 9999;
  width: 140px;
  height: 140px;
  display: block;
  overflow: hidden;
}

.back-button img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transition: filter 0.2s ease;
  filter: drop-shadow(0 0 6px #ff00cc88);
}

.back-button:hover img {
  filter: brightness(1.2);
}

* {box-sizing:border-box}

.slideshow-container {
  background-color: rgba(0, 0, 0, 0.6);
  border: 2px solid #6d0000;
  box-shadow: 0 0 12px #250000;
  border-radius: 8px;
  max-width: 1000px;
  position: relative;
  margin: auto;

}

.mySlides {
  display: none;
}

.prev, .next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  width: auto;
  margin-top: -22px;
  padding: 16px;
  color: white;
  font-weight: bold;
  font-size: 18px;
  transition: 0.6s ease;
  border-radius: 0 3px 3px 0;
  user-select: none;
}

.next {
  right: 0;
  border-radius: 3px 0 0 3px;
}

.prev:hover, .next:hover {
  background-color: rgba(0,0,0,0.8);
}

.text {
  color: white;
  font-size: 15px;
  font-family: 'Times New Roman', Times, serif;
  text-align: center;
  margin-bottom: 20px;
}

.numbertext {
  color: #f2f2f2;
  font-size: 12px;
  padding: 8px 12px;
  font-family: 'Times New Roman', Times, serif;
  position: absolute;
  top: 0;
}

.dot {
  cursor: pointer;
  height: 15px;
  width: 15px;
  margin: 0 2px;
  background-color: #bbb;
  border-radius: 50%;
  display: inline-block;
  transition: background-color 0.6s ease;
}

.active, .dot:hover {
  background-color: #717171;
}

.fade {
  animation-name: fade;
  animation-duration: 1.5s;
}

@keyframes fade {
  from {opacity: .4}
  to {opacity: 1}
}

.data-box {
  background-color: rgba(0, 0, 0, 0.6);
  border: 2px solid #6d0000;
  padding: 20px;
  margin: 30px auto;
  width: 80%;
  max-width: 500px;
  border-radius: 8px;
  box-shadow: 0 0 12px #250000;
  font-family: 'Times New Roman', serif;
}