* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body, html {
  height: 100%;
  font-family: sans-serif;
  background: #300a24;
  color: white;
  display: flex;
  flex-direction: column;
}

.topbar {
  background: #000;
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
}

.menu {
  text-decoration: none;
  color: white;
  font-size: 1.2rem;
  padding: 0.3rem 0.5rem;
  display: inline-block;
  border-radius: 4px;
}

.menu:hover {
  background: #444;
}

.system {
  flex: 1;
  display: grid;
  grid-template-columns: 60px 1fr;
  height: 100%;
}

.dock {
  background: #1a1a1a;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.dock .apps {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.dock .settings {
  margin-bottom: 0.5rem;
}

.dock input[type="radio"] {
  display: none;
}

.dock label a {
  font-size: 1.5rem;
  color: white;
  text-decoration: none;
  padding: 0.4rem;
  border-radius: 6px;
  display: block;
  background: #444;
}

.dock label a:hover {
  background: #666;
}

.desktop {
  background: #f0f0f0;
  padding: 1rem;
}

iframe {
  width: 100%;
  height: 100%;
  border: transparent;
  background: white;
  border-radius: 6px;
  box-shadow: 0 0 10px rgba(0,0,0,0.4);
}

.footer-bar {
  background: #1a1a1a;
  color: #ccc;
  text-align: center;
  padding: 0.5rem;
  font-size: 0.8rem;
}