body {
  margin: 0;
  height: 100vh;
  overflow: hidden;
  background: linear-gradient(180deg, #222, #000, #333);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  font-size: 1rem;
  position: relative;
  user-select: none;
  color: var(--color-panel-text);
  transition: color 0.2s ease;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url(../images/background.jpeg);
  background-size: cover;
  background-position: center;
  z-index: -1;
}

.box {
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  cursor: grab;
  background-color: rgba(var(--color-box-bg-base), 0.05);
  color: var(--color-box-text);
  backdrop-filter: blur(3px);
  box-shadow: inset 0 0 2px var(--color-box-shadow-inset);
  padding: 10px 20px;
  border-radius: 8px;
  width: 200px;
  transition: background 0.2s ease, color 0.2s ease, width 0.2s ease, border-radius 0.2s ease, backdrop-filter 0.2s ease;
}

.box:active {
  cursor: grabbing;
}