body {
  margin: 0;
  font-family: sans-serif;
  color: black;
  overflow: hidden;
  height: 100vh;
  width: 100vw;
}

.centered {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.logo {
  width: 150px;
  margin-bottom: 20px;
}

.btn {
  padding: 10px 20px;
  margin: 10px;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid white;
  color: white;
  cursor: pointer;
  border-radius: 10px;
  backdrop-filter: blur(5px);
  transition: 0.3s;
}

.btn:hover {
  background: rgba(255, 255, 255, 0.4);
}

.besar {
  font-size: 18px;
}

.hidden {
  display: none;
}

.teks-output {
  font-size: 20px;
  background: rgba(255,255,255,0.2);
  padding: 10px;
  margin-top: 20px;
  border-radius: 10px;
  color: white;
}

.qris-img {
  width: 200px;
  margin-top: 20px;
  border-radius: 10px;
}

.settings-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 5px 10px;
  font-size: 12px;
  background: rgba(255,255,255,0.2);
  color: white;
  border: 1px solid white;
  border-radius: 5px;
  backdrop-filter: blur(4px);
}

.settings-layout {
  position: fixed;
  bottom: 60px;
  right: 20px;
  background: linear-gradient(90deg, red, green, blue);
  padding: 20px;
  border-radius: 15px;
  max-width: 250px;
  color: white;
  backdrop-filter: blur(5px);
  text-align: center;
}

.settings-hidden {
  display: none;
}

.blackhole-bg {
  background: radial-gradient(ellipse at center, #000 0%, #111 100%);
}

.rgb-bg {
  background: linear-gradient(45deg, red, green, blue);
  background-size: 600% 600%;
  animation: rgbAnim 10s ease infinite;
}

@keyframes rgbAnim {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.video-bg {
  position: fixed;
  top: 0;
  left: 0;
  min-width: 100%;
  min-height: 100%;
  object-fit: cover;
  z-index: -1;
}

#video-bg-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: -2;
}

.note {
  font-size: 12px;
  margin: 10px 0;
  color: white;
}

.bukti-container {
  margin-top: 20px;
}