body {
  margin: 0;
  background-color: black;
  color: white;
  font-family: 'Segoe UI', sans-serif;
}

.boot-screen {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

#power-btn {
  font-size: 2em;
  padding: 20px 40px;
  background-color: #1f1;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  color: black;
  font-weight: bold;
  box-shadow: 0 0 10px #0f0;
}

.loading-screen {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background-color: black;
  color: white;
}

.logo {
  width: 300px;
  margin-bottom: 40px;
}

.loader-bar {
  width: 300px;
  height: 20px;
  background-color: #333;
  border: 2px solid #666;
  overflow: hidden;
  margin-bottom: 20px;
}

.loader-progress {
  width: 0%;
  height: 100%;
  background: linear-gradient(to right, #3a6ea5, #0a246a);
  animation: load 5s linear forwards;
}

@keyframes load {
  from { width: 0%; }
  to { width: 100%; }
}