body {
    background: #111;
    margin: 0px;
    padding: 0px;
    background-image: url('./img/bluetooth.png');
    background-size: cover;       /* 이미지 비율 유지하며 빈틈없이 채움 */
    background-position: center;   /* 중심 맞춤 */
    background-repeat: no-repeat;  /* 반복 안 함 */
    background-attachment: fixed;  /* (선택) 스크롤을 내려도 배경이 고정되는 효과 */
}
#ALICE {
   padding-bottom: 0px;
}
.ALICE_Logo {
    display: flex;
    background: rgba(0, 0, 0, 0.7); /* 반투명 배경 추가 */
    text-align:center;
    padding:10px 30px;
    border-bottom: 1px solid #222;
    align-items: center;
}
.ALICE_Logo img {
    width: 80px;
    display: block;
    margin: 0 auto;
    border: 1px solid #333;
    border-radius: 50%;
    margin-right: 15px;
}
.ALICE_Logo_Text {
    font-size: 1.7rem;
    font-weight: 800;
    color: #fff;
}
.bt-total-wrap {
    text-align: center;
    padding: 10px 0 20px;
}
.bt-total-label {
    font-size: 0.8rem;
    letter-spacing: 4px;
    color: #001aff;
    margin-bottom: 8px;
}
.bt-total-val {
    width: 150px;
    height: 150px;
    line-height: 140px;
    border-radius: 50%;
    margin: 0 auto;
    background: rgba(0, 0, 0, 0.3);
    border: 15px solid rgba(0, 140, 255, 0.5);
    font-size: 3.5rem;
    font-weight: bold;
    color: #00cfff;
    text-shadow: 0 0 24px rgba(0,207,255,0.5);
}
.bt-total-unit {
    font-size: 0.75rem;
    letter-spacing: 3px;
    color: #fff;
    margin-top: 6px;
}






.divider {
  border: none;
  border-top: 1px solid #fff;
  margin: 0 0 20px;
}



.bt-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 0px 20px;
}
.bt-item {
  background: rgba(0, 0, 0, 0.5);
  border: 5px solid rgba(255, 255, 255, 0.5);
  border-radius: 4px;
  padding: 10px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.bt-item-label {
  font-size: 1rem;
  color: #fff;
}
.bt-item-val {
  font-size: 1.6rem;
  font-weight: bold;
  color: #00ff00;
  text-shadow: 0 0 12px rgba(0,255,136,0.3);
}
.bt-item-val.zero {
  color: #839eff;
  text-shadow: none;
}
.status-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  margin-top: 24px;
  font-size: 0.65rem;
  letter-spacing: 3px;
  color: #fff;
}
.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #00ff00;
  box-shadow: 0 0 8px rgba(0,255,136,0.6);
  animation: blink 1.2s infinite;
}
.status-dot.offline { background: #ff4466; box-shadow: none; animation: none; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }
.update-time {
    text-align: center;
    font-size: 0.8rem;
    color: #fff;
    margin-top: 10px;
    letter-spacing: 2px;
}