:root {
  --primary-bg: #ffffff;
  --secondary-bg: #f8f9fa;
  --primary-text: #333333;
  --secondary-text: #666666;
  --accent-color: #ff8c00;
  --accent-hover: #ff6a00;
  --border-color: #e0e0e0;
  --input-bg: #ffffff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Arial', sans-serif;
}

body {
  background-color: var(--primary-bg);
  color: var(--primary-text);
}

.app-container {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* Sidebar Styles */
.sidebar {
  width: 300px;
  background-color: var(--secondary-bg);
  border-right: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
  overflow-y: auto;
  scrollbar-width: none;
}


/* 更新 sidebar-toggle 的样式 */
.sidebar-toggle {
  position: absolute; /* 改为 absolute 而不是 fixed */
  top: 20px; /* 与 sidebar-title 对齐 */
  left: 260px; /* 调整位置到侧边栏右侧 */
  width: 30px; /* 减小按钮尺寸 */
  height: 30px; /* 减小按钮尺寸 */
  background-color: var(--secondary-bg); /* 使用与侧边栏相同的背景色 */
  border: 1px solid var(--border-color); /* 添加边框 */
  border-radius: 4px; /* 改用方形圆角 */
  color: var(--accent-color); /* 使用主题色 */
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1); /* 调整阴影 */
  transition: all 0.3s ease;
  font-size: 18px; /* 调整图标大小 */
}

.sidebar-toggle:hover {
  background-color: var(--accent-color);
  color: white;
}


/* 更新折叠状态下的按钮位置 */
.sidebar.collapsed .sidebar-toggle {
  left: -12px; /* 负值使按钮跨越边界 */
  transform: translateY(-50%);
  position: absolute;
  border-left: none;
  border-radius: 0 4px 4px 0; /* 只保留右侧圆角 */
  z-index: 90;
}

/* 更新折叠状态样式 */
.sidebar-toggle.sidebar-open {
  transform: translateY(-50%); /* 保持垂直居中 */
}

/* 当侧边栏折叠时的位置 */
.sidebar.collapsed {
  width: 15px; /* 替换原来的 width: 0 */
  border-right: 2px solid var(--border-color); /* 添加一条显眼的边界线 */
}

/* 当侧边栏展开时，增加主内容区域的内边距 */
.sidebar:not(.collapsed) + .main-content {
  padding-left: 40px;
}

/* 调整 sidebar-content 的上边距 */
.sidebar-content {
  padding: 20px;
  padding-top: 20px; /* 减小顶部间距 */
}

/* 更新 sidebar-title 样式以配合新的布局 */
.sidebar-title {
  font-size: 1.5rem;
  margin-bottom: 20px;
  color: var(--accent-color);
  padding-right: 40px; /* 为 toggle 按钮留出空间 */
}


.form-group {
  margin-bottom: 15px;
}

.form-label {
  display: block;
  margin-bottom: 5px;
  color: var(--secondary-text);
}

.form-input,
.form-select {
  width: 100%;
  padding: 8px 12px;
  background-color: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--primary-text);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent-color);
}

.form-select option {
  background-color: var(--input-bg);
  color: var(--primary-text);
}

.btn {
  width: 100%;
  padding: 10px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: bold;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-primary {
  background-color: var(--accent-color);
  color: white;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
}

.btn-secondary {
  background-color: #f0f0f0;
  color: var(--primary-text);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: #e5e5e5;
}

.separator {
  height: 1px;
  background-color: var(--border-color);
  margin: 20px 0;
}

/* Main Content Styles */
.main-content {
  flex: 1;
  padding: 20px;
  padding-left: 60px;
  /* Make room for the toggle button when sidebar is collapsed */
  overflow-y: auto;
  transition: padding-left 0.3s ease;
  padding-left: 20px; /* 减小默认内边距 */
}

.page-title {
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: var(--accent-color);
}

.card {
  background-color: var(--secondary-bg);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border-color);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.card-title {
  font-size: 1.2rem;
  color: var(--accent-color);
}

.card-metadata {
  font-size: 0.8rem;
  color: var(--secondary-text);
}

.chart-container {
  height: 400px;
  width: 100%;
  position: relative;
}

.btn-group {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 10px;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.9rem;
  width: auto;
}

/* Detailed Cycles Section */
.detailed-cycles {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 20px;
}

.checkbox-container {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
}

.checkbox-label {
  margin-left: 8px;
}

.cycle-selector {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  max-width: 400px;
  margin-bottom: 15px;
}

.cycle-selector-label {
  min-width: 120px;
}

.cycle-select {
  flex: 1;
  padding: 8px 12px;
  background-color: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--primary-text);
}

/* Welcome Screen */
.welcome-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 80vh;
  text-align: center;
}

.welcome-title {
  font-size: 1.5rem;
  margin-bottom: 10px;
  color: var(--accent-color);
}

.welcome-text {
  max-width: 500px;
  margin-bottom: 20px;
  color: var(--secondary-text);
}

.welcome-icon {
  width: 64px;
  height: 64px;
  background-color: #f0f0f0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-color);
  font-size: 1.5rem;
}

/* Loading Skeleton */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #f8f9fa 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: 4px;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

.skeleton-chart {
  height: 400px;
  width: 100%;
}

.skeleton-button {
  height: 36px;
  width: 120px;
  margin-top: 10px;
}

/* Tooltip */
.tooltip {
  position: absolute;
  background-color: white;
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: 4px;
  pointer-events: none;
  font-family: 'Times New Roman', Times, serif;
  font-size: 14px;
  color: var(--primary-text);
  z-index: 100;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  opacity: 1;
}