body {
  font-family: system-ui, sans-serif;
  text-align: center;
  padding: 18px;
  background: #f0f0f0;
  color: #222;
}

.editor {
  max-width: 420px;
  margin: 0 auto 14px;
  background: #fff;
  padding: 10px;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.06);
}

#itemInput {
  width: 62%;
  padding: 6px;
}

#addBtn {
  padding: 6px 10px;
  margin-left: 6px;
}

#itemList {
  list-style: none;
  padding: 8px 0;
  margin: 8px 0;
}

#itemList li {
  display: flex;
  justify-content: space-between;
  background: #f2f2f2;
  padding: 6px;
  border-radius: 6px;
  margin-bottom: 6px;
}

.wheel-wrap {
  position: relative;
  width: 90vw;
  max-width: 500px;
  margin: 14px auto;
}

.pointer {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 26px;
  color: #b00;
}

#spinBtn {
  padding: 10px 18px;
  font-size: 18px;
  border-radius: 8px;
  background: #d9534f;
  color: #fff;
  border: none;
  cursor: pointer;
}

#result {
  margin-top: 12px;
  font-weight: 700;
  font-size: 22px;
}

canvas {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 50%;
  box-shadow: 0 8px 18px rgba(0,0,0,0.12);
}