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

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  background: #1a1a1a;
  font-family: "Georgia", serif;
  color: rgba(255, 255, 255, 0.95);
}

#container {
  width: 100%;
  height: 100%;
  position: relative;
}

#css3d-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}


#scene {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
}

#scene:active {
  cursor: grabbing;
}

#start-screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.7);
  z-index: 100;
  pointer-events: auto;
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewBox='0 0 28 28'%3E%3Cpath d='M14 4l10 8v12H4V12L14 4z' fill='none' stroke='%23f5f5f0' stroke-width='2'/%3E%3Ccircle cx='14' cy='16' r='3' fill='%23f5f5f0'/%3E%3C/svg%3E") 14 14, crosshair;
}

#start-screen h1 {
  font-size: 2rem;
  font-weight: normal;
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
}

#start-screen p {
  font-size: 1.1rem;
  opacity: 0.95;
}

#start-screen p.hint {
  font-size: 0.9rem;
  opacity: 0.7;
  margin-top: 0.5rem;
}

#start-screen.hidden {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s;
}