body {
    margin: 0;
    height: 100vh;
    overflow: hidden; /* 禁止滚动条并隐藏溢出内容 */
    background: #1a1a1a;
    color: #e0e0e0;
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    touch-action: manipulation; /* 阻止双击缩放 */
}

* {
    -webkit-tap-highlight-color: transparent; /* 移除点击时的蓝色高亮 */
}

h1 {
    margin-top: 2rem;
    font-size: 2.5rem;
    text-shadow: 0 0 10px rgba(255,255,255,0.3);
}

#counter {
    margin: 1rem 0;
    font-size: 1.2rem;
}

@keyframes float {
    0% { transform: rotate(var(--rotation)) translateY(0) scale(1); opacity: 1; }
    100% { transform: rotate(var(--rotation)) translateY(-100px) scale(0.5); opacity: 0; }
}

.sheep {
    position: absolute;
    width: 60px;
    height: 60px;
    animation: float 1.5s ease-out forwards;
    transform-box: fill-box;
    user-select: none;
}

.sheep-inner {
    width: 100%;
    height: 100%;
    transition: transform 0.3s ease;
}

.settings-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
}

.settings-container button#settingsBtn {
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  padding: 12px 18px;
  border-radius: 25px;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(5px);
  position: relative;
  z-index: 1001;
}

.settings-container button#settingsBtn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.05);
}

/* 旧的 settings-menu 样式，可以注释掉或删除，因为我们用了新的模态窗口 */
/*
.settings-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 10px;
  background: rgba(0, 0, 0, 0.8);
  color: white;
}

.settings-menu {
  display: none;
  background: rgba(255, 255, 255, 0.9);
  padding: 20px;
  min-width: 200px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.settings-menu.show {
    display: block;
}
*/

/* 新的模态窗口样式 */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5); /* 半透明背景 */
  backdrop-filter: blur(5px); /* 毛玻璃效果 */
  display: none; /* 默认隐藏 */
  justify-content: center;
  align-items: center;
  z-index: 2000; /* 确保在最上层 */
}

.modal-overlay.show {
  display: flex; /* 显示时使用flex布局居中 */
}

.settings-menu-modal {
  background: rgba(40, 40, 40, 0.9);
  color: #e0e0e0;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.3);
  min-width: 300px;
  max-width: 90%;
  position: relative;
  text-align: center;
}

.settings-menu-modal h2 {
  margin-top: 0;
  margin-bottom: 20px;
  font-size: 1.8rem;
}

.close-btn {
  position: absolute;
  top: 10px;
  right: 15px;
  background: none;
  border: none;
  color: #e0e0e0;
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
}

.close-btn:hover {
  color: #fff;
}



.volume-control {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px; /* 为按钮和音量控制之间添加一些间距 */
}

.timer-control {
  display: grid; /* 使用grid布局以便更灵活控制 */
  grid-template-columns: auto 1fr auto; /* 标签、输入框/显示、按钮 */
  grid-template-rows: auto auto; /* 两行，第一行标签和输入，第二行显示和按钮 */
  align-items: center; /* 垂直居中对齐 */
  gap: 8px 10px; /* 行间距和列间距 */
  margin-bottom: 15px;
  padding: 12px;
  padding-right: 12px; /* 增加右内边距确保按钮不贴边 */
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
}

.timer-control label {
  font-size: 0.9rem;
  color: #ccc;
  grid-column: 1 / 2; /* 占据第一列 */
  grid-row: 1 / 2; /* 占据第一行 */
}

.timer-control input[type="number"] {
  background-color: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #e0e0e0;
  padding: 6px 8px;
  border-radius: 4px;
  width: 60px; /* 固定宽度，使其紧凑 */
  text-align: center;
  grid-column: 2 / 3; /* 占据第二列 */
  grid-row: 1 / 2; /* 占据第一行 */
  margin-left: 5px; /* 与标签的微小间距 */
  display: flex; /* 使用flex布局使文本居中 */
  align-items: center; /* 垂直居中 */
  justify-content: center; /* 水平居中 */
}

#countdownDisplay {
  font-size: 1.1rem; /* 稍微调小一点以适应布局 */
  color: #fff;
  background-color: rgba(0,0,0,0.2);
  padding: 6px 10px;
  border-radius: 4px;
  text-align: center;
  grid-column: 1 / 3; /* 占据前两列 */
  grid-row: 2 / 3; /* 占据第二行 */
  margin-top: 5px; /* 与上一行的间距 */
}

#startTimerBtn {
    grid-column: 3 / 4; /* 占据第三列 */
    grid-row: 1 / 3; /* 跨越两行，使其与标签和倒计时垂直对齐 */
    align-self: stretch; /* 垂直方向撑满 */
    margin-top: 5px;
    margin-bottom:5px;
    text-align: center;
}

.settings-button.timer-active {
    background-color: #ff8c00; /* 橙色作为醒目但非警告的颜色 */
    border-color: #e67e00;
}

.settings-button.timer-active:hover {
    background-color: #e67e00;
}

.settings-button {
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #e0e0e0;
  padding: 10px 15px;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease;
  font-size: 1rem;
  display: block; /* 让按钮占据整行 */
  width: 100%; /* 按钮宽度为100% */
  margin-top: 15px; /* 与上方元素的间距 */
}

.settings-button:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.settings-button:active {
  transform: scale(0.98);
}

.settings-button:disabled {
  background-color: rgba(255, 255, 255, 0.05);
  color: rgba(224, 224, 224, 0.5);
  cursor: not-allowed;
  border-color: rgba(255, 255, 255, 0.1);
}

.volume-icon {
  cursor: pointer;
  font-size: 1.2em;
}

/* 版权声明文字样式 */
.copyright-text {
  font-size: 0.8em;
  color: #aaa;
  text-align: center;
  margin-top: 20px; /* 与上方元素的间距 */
  padding-top: 10px; /* 增加一点内边距 */
  border-top: 1px solid rgba(255, 255, 255, 0.1); /* 分隔线 */
}

/* 移动端适配 */
@media (max-width: 768px) {
  h1 {
    font-size: 1.8rem;
    margin-top: 1.5rem;
  }

  #counter {
    font-size: 1rem;
    margin: 0.8rem 0;
  }

  .sheep {
    width: 40px;
    height: 40px;
  }

  .settings-container {
    top: 10px;
    right: 10px;
  }

  .settings-container button#settingsBtn {
    padding: 8px 12px;
    font-size: 14px;
  }

  .settings-menu-modal {
    padding: 20px;
    min-width: unset;
    width: 90%;
  }

  .settings-menu-modal h2 {
    font-size: 1.5rem;
    margin-bottom: 15px;
  }

  .close-btn {
    font-size: 1.5rem;
    top: 5px;
    right: 10px;
  }

  .volume-control {
    flex-direction: column;
    gap: 10px;
    margin-bottom: 15px;
  }

  .volume-slider {
    width: 80%;
  }

  /* 定时器控制 */
  .timer-control {
    flex-direction: column;
    gap: 10px;
    padding: 15px;
  }

  .timer-control label {
    font-size: 1rem;
  }

  .timer-control input[type="number"] {
    font-size: 1.1rem;
    padding: 8px;
    width: 80px;
  }

  #countdownDisplay {
    font-size: 1.1rem;
    padding: 8px 12px;
  }

  #startTimerBtn {
    padding: 10px;
    font-size: 1rem;
  }

  .settings-button {
    padding: 8px 12px;
    font-size: 0.9rem;
    margin-top: 10px;
  }

  .copyright-text {
    font-size: 0.7em;
    margin-top: 15px;
    padding-top: 8px;
  }
}