html,body {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: background 0.4s, color 0.3s;
  background: linear-gradient(#000000, #a5124c);
  color: white;
  font-family: system-ui;
  text-align: center;
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
}

#title {
  font-size: 2.2em;
  margin-bottom: 10px;
  color: #ff88dd;
  font-family: "Georgia", serif;
  text-shadow: 0 0 8px #ff80c0;
  text-decoration: underline;
  font-size: 41px;
}

#bttn {
  font-family: monospace;
  font-size: 16px;
  color: white;
  background: #ff69b4;
  padding: 10px 24px;
  border-radius: 6px;
  box-shadow: 0 0 8px var(--button-border-color, #ffb6c1);
  transition: all 0.2s ease-in-out;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  margin: 10px;
  gap: 10px;
}

#bttn:hover {
  color: white;
  box-shadow: 0 0 16px #ffb6c1;
  transform: scale(1.06);
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 700px;
  margin: 0 auto;
}

.buttons {
  display: flex;
}

#loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(#000000, #a5124c);
  font-size: 2.2em;
  margin-bottom: 10px;
  color: #ff88dd;
  font-family: "Georgia", serif;
  text-shadow: 0 0 8px #ff80c0;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  z-index: 9998;
  opacity: 1;
  transition: opacity 1s ease;
}

.frame {
  border: none;
  text-align: center;
  justify-content: center;
  height: 100%;
  width: 100%;
}

#menu {
  position: fixed;
  bottom: 5px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-family: system-ui;
  color: white;
}

#menu span {
  margin: 0;
  padding: 0;
}

#uv-address {
  background-color: #270606;
  border: 3px #681717 solid;
  border-radius: 30px;
  padding: 10px;
  text-align: left;
  color: white;
  font-family: system-ui;
  outline: none;
  transition: all .2s ease-in-out;
  width: 350px;
  font-size: 20px;
  text-align: center;
}

.star {
  position: absolute;
  background-color: #fff;
  border-radius: 50%;
  animation: twinkling 5s infinite, moving linear 20s infinite;
}

@keyframes twinkling {
  0% {
    opacity: 0.4;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0.4;
  }
}

@keyframes moving {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(100%);
  }
}

#space {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: transparent;
  z-index: -1;
}

#sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 80px;
  background-color: #1e040f;
  border-radius: 0 24px 24px 0;
  box-shadow: 4px 0 10px rgba(0, 0, 0, 0.4);
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

#sidebar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  opacity: 0.1;
  z-index: 0;
  border-radius: inherit;
}

#navigation {
  height: 100%;
  width: 100%;
  padding: 32px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 10;
}

.icon-group {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.icon-item {
  display: block;
  color: white;
  font-size: 32px;
  text-align: center;
  text-decoration: none;
  padding: 2.5rem 0;
  transition: transform 0.2s ease-out, color 0.2s ease-out;
  cursor: pointer;
}

.icon-item:hover {
  transform: scale(1.1);
}