:root {
  /* 科技风主题色 - 蓝色系 */
  --primary-color: #448aff;
  --primary-dark: #0056b3;
  --primary-light: #8bc3ff;
  --secondary-color: #0056b3;
  --accent-color: #448aff;
  --gradient-primary: linear-gradient(135deg, #448aff 0%, #0056b3 100%);
  --gradient-hover: linear-gradient(135deg, #0056b3 0%, #448aff 100%);
  
  /* 中性色 */
  --text-dark: #2d3436;
  --text-muted: #636e72;
  --bg-light: #f8f9fa;
  --border-color: #dfe6e9;
}

html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 14px;
  }
}

/* 标题字号调整 */
h1 { font-size: 1.5rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.125rem; }
h4 { font-size: 1rem; }
h5 { font-size: 0.9375rem; }
h6 { font-size: 0.875rem; }

/* 卡片紧凑 */
.card {
  margin-bottom: 1rem;
}

.card-header {
  padding: 0.75rem 1rem;
}

.card-header h4,
.card-header h5,
.card-header h6 {
  font-size: 0.9375rem;
  margin-bottom: 0;
}

.card-body {
  padding: 1rem;
}

/* 表格紧凑 */
.table {
  font-size: 0.8125rem;
  margin-bottom: 0;
}

.table th,
.table td {
  padding: 0.5rem 0.75rem;
  vertical-align: middle;
}

/* 按钮紧凑 */
.btn {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
}

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
}

.btn-lg {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* 表单紧凑 */
.form-control,
.form-select {
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  height: calc(1.5em + 0.75rem + 2px);
}

/* textarea 不设置固定高度，让 rows 属性生效 */
textarea.form-control {
  height: auto;
  min-height: calc(1.5em + 0.75rem + 2px);
}

/* 徽章紧凑 */
.badge {
  font-size: 0.75rem;
  padding: 0.35em 0.5em;
}

/* 警报紧凑 */
.alert {
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

/* 列表组紧凑 */
.list-group-item {
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
}

/* 下拉菜单紧凑 */
.dropdown-menu {
  font-size: 0.875rem;
  min-width: 10rem;
}

.dropdown-item {
  padding: 0.375rem 1rem;
}

/* 导航链接紧凑 */
.nav-link {
  padding: 0.5rem 0.75rem;
}

/* 分页紧凑 */
.page-link {
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
}

/* 定义列表紧凑 */
dt, dd {
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
}

/* 间距调整 */
.container {
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.row {
  margin-bottom: 0;
}

.mb-4 {
  margin-bottom: 1rem !important;
}

.mt-3 {
  margin-top: 0.75rem !important;
}

.mt-4 {
  margin-top: 1rem !important;
}

/* 图表容器 */
.chart-container {
  position: relative;
  height: 350px;
  margin-top: 15px;
}

body {
  font-family: 'Roboto', 'Segoe UI', 'Microsoft YaHei', sans-serif;
  background-color: var(--bg-light);
  color: var(--text-dark);
}

/* 深色背景 */
.bg-darker {
  background-color: #0a0a0a;
}

/* 链接样式 */
.text-decoration-none:hover {
  color: var(--primary-color) !important;
  text-decoration: underline !important;
}

/* 按钮样式 */
.btn-primary {
  background: var(--gradient-primary);
  border: none;
  color: white;
  font-weight: 500;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background: var(--gradient-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(68, 138, 255, 0.4);
}

.btn-primary:focus, .btn-primary:active {
  background: var(--gradient-primary) !important;
  box-shadow: 0 0 0 0.2rem rgba(68, 138, 255, 0.25);
}

.btn-outline-primary {
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-outline-primary:hover {
  background: var(--gradient-primary);
  border-color: transparent;
  color: white;
}

/* 侧边栏样式 */
.sidebar {
  min-height: calc(100vh - 60px);
  box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
}

.sidebar .nav-link {
  font-weight: 500;
  color: #333;
  padding: 0.8rem 1rem;
  border-left: 3px solid transparent;
}

.sidebar .nav-link:hover {
  background-color: rgba(17, 153, 142, 0.05);
  color: var(--primary-color);
}

.sidebar .nav-link.active {
  color: var(--primary-color);
  background-color: rgba(17, 153, 142, 0.1);
  border-left-color: var(--primary-color);
}

.sidebar .nav-link i {
  margin-right: 10px;
  width: 20px;
  text-align: center;
}

/* 响应式侧边栏样式 */
.sidebar-container {
  display: flex;
  overflow: visible;
  position: relative;
  min-height: 100vh;
}

.sidebar {
  width: 250px;
  background-color: #f8f9fa;
  border-right: 1px solid rgba(0, 0, 0, .1);
  transition: all 0.3s ease;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 1000;
  box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
  overflow-y: auto;
  overflow-x: hidden;
}

/* 侧边栏顶部 toggle 按钮 */
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0.5rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  background-color: #fff;
}

.sidebar-toggle-btn {
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  color: #666;
  transition: all 0.3s ease;
  border-radius: 4px;
}

.sidebar-toggle-btn:hover {
  background-color: rgba(0, 0, 0, 0.05);
  color: var(--primary-color);
}

.sidebar-toggle-btn i {
  font-size: 1.2rem;
}

/* 收起状态的侧边栏 */
.sidebar.collapsed {
  width: 60px;
}

.sidebar.collapsed .nav-link span {
  display: none;
}

.sidebar.collapsed .nav-link i {
  margin-right: 0;
  font-size: 1.2rem;
  width: 100%;
  text-align: center;
}

.sidebar.collapsed .collapse {
  display: none !important;
}

.sidebar.collapsed .sidebar-header {
  justify-content: center;
}

.main-wrapper {
  flex: 1;
  margin-left: 250px;
  transition: margin-left 0.3s ease;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.sidebar.collapsed ~ .main-wrapper {
  margin-left: 60px;
}

.main-content {
  flex: 1;
  position: relative;
  overflow: visible;
  padding: 0;
}

.sidebar-toggle {
  display: none; /* 隐藏旧的切换按钮 */
}

/* 手机端样式 */
@media (max-width: 767.98px) {
  .sidebar {
    transform: translateX(-250px);
    width: 250px;
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .sidebar.collapsed {
    transform: translateX(-250px);
  }
  
  .main-wrapper {
    margin-left: 0;
  }
  
  .sidebar.collapsed ~ .main-wrapper {
    margin-left: 0;
  }
  
  /* 手机端仍然需要切换按钮 */
  .sidebar-toggle {
    display: block;
    position: fixed;
    top: 70px;
    left: 10px;
    z-index: 1001;
  }
  
  /* 手机端隐藏顶部 toggle 按钮 */
  .sidebar-header {
    display: none;
  }
  
  /* 侧边条状样式 */
  .sidebar .nav-link {
    padding: 0.8rem 0.5rem;
  }
  
  .sidebar:not(.open) .nav-link span {
    display: none;
  }
  
  .sidebar:not(.open) .nav-link i {
    margin-right: 0;
    font-size: 1.2rem;
  }
  
  /* 市场子菜单在手机端默认收起 */
  .sidebar:not(.open) #marketSubmenu {
    display: none !important;
  }
  
  .sidebar:not(.open) .collapse {
    display: none !important;
  }
}

/* 平板和桌面端样式 */
@media (min-width: 768px) {
  .sidebar {
    transform: translateX(0);
  }
  
  .main-wrapper {
    margin-left: 250px;
  }
  
  .sidebar.collapsed {
    transform: translateX(0);
  }
  
  .sidebar.collapsed ~ .main-wrapper {
    margin-left: 60px;
  }
}