body {
  margin: 0;
  padding: 0;
  font-size: 20px;
  font-family: 'JetBrains Mono', sans-serif;
  background: linear-gradient(135deg, #a1c4fd, #c2e9fb);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  overflow: hidden;
}

@keyframes glow {
  0% { box-shadow: 0 0 20px rgba(255, 255, 255, 0.1); }
  50% { box-shadow: 0 0 30px rgba(255, 255, 255, 0.5); }
  100% { box-shadow: 0 0 20px rgba(255, 255, 255, 0.1); }
}

.ripple-effect {
  position: relative;
  overflow: hidden;
}

.ripple-effect::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: width 0.6s ease, height 0.6s ease, opacity 1s ease;
}

.ripple-effect:hover::after {
  width: 400px;
  height: 400px;
  opacity: 0.15;
}

.container {
  background: rgba(255, 255, 255, 0.18);
  padding: 30px 40px;
  border-radius: 16px;
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  width: 500px;
  font-size: 20px;
  line-height: 2em;
  font-family: 'JetBrains Mono', 'Microsoft JhengHei', sans-serif;
  text-align: left;
  animation: glow 3s infinite ease-in-out;
}

.container:hover {
  background: rgba(255, 255, 255, 0.28);
  border: 1.5px solid rgba(255, 255, 255, 0.5);
}

.row {
  display: flex;
  justify-content: flex-start;
}

.label {
  display: inline-block;
  width: 210px; /* 固定寬度，讓對齊有效 */
  font-weight: bold;
  font-family: 'JetBrains Mono', 'Microsoft JhengHei', sans-serif;
  text-align: right; /* ✅ 讓文字靠右對齊 */
}

.spacer {
  display: inline-block;
  width: 1em; /* 可以調整這個寬度來控制空格的間距 */
}

.value {
  display: inline-block;
  font-family: 'JetBrains Mono', sans-serif;
}

.button-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  gap: 30px;
}

#lang-toggle, .front-page-link {
  height: 40px;
  width: 120px; /* ✅ 統一語言框與時區框寬度 */
  padding: 0 16px;
  background: rgba(255, 255, 255, 0.18);
  color: #000;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  border-radius: 12px;
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  transition: background 0.3s ease, border 0.3s ease, box-shadow 0.3s ease;
  animation: glow 3s infinite ease-in-out;
}

#lang-toggle:hover, .front-page-link:hover {
  background: rgba(255, 255, 255, 0.28);
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.front-page-link {
  font-weight: bold;
  min-width: 140px;
  text-decoration: none; /* ✅ 移除下劃線 */
}

#timezone-select {
  height: 40px;
  width: 120px;
  border-radius: 12px; /* ✅ 圓角一致 */
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  background: rgba(255, 255, 255, 0.18);
  color: #000;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  padding: 0 8px;
}