:root {
  --bg1: #000000;
  --bg2: #8b0000;
  --panel: rgba(255,255,255,0.04);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Arial", sans-serif;
  background: linear-gradient(135deg, var(--bg1), var(--bg2));
  color: #fff;
  display:flex;
  justify-content:center;
  align-items:center;
  height:100vh;
}

.menu {
  width: 900px;
  max-width: calc(100% - 40px);
  padding: 24px;
  border-radius: 16px;
  background: var(--panel);
  box-shadow: 0 8px 30px rgba(0,0,0,0.7);
  text-align: center;
}

.title { margin: 0 0 14px 0; font-size: 1.9rem; }

.conveyor-wrap {
  position: relative;
  margin: 18px 0 12px;
}

.conveyor-viewport {
  width: 100%;
  height: 120px;
  overflow: hidden;
  border-radius: 12px;
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.1);
  position: relative;
}

.conveyor {
  display: flex;
  gap: 10px;
  align-items: center;
  height: 100%;
  transform: translateX(0);
  padding: 10px;
}

.item {
  min-width: 100px;
  height: 100px;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(0,0,0,0.6));
  border-radius: 8px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  font-size: 12px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.6);
  border: 1px solid rgba(255,255,255,0.03);
  user-select: none;
}

.item .icon {
  font-size: 30px;
  margin-bottom: 6px;
}

.result { margin: 8px 0 0; font-weight: 600; }