/* 全局样式重置与基础配置 */
:root {
  /* 主色调 */
  --primary: #165DFF;
  --primary-light: #4080FF;
  --primary-dark: #0E42CC;
  
  /* 功能色 */
  --success: #00B42A; /* 买入/上涨 */
  --danger: #F53F3F;  /* 卖出/下跌 */
  --warning: #FF7D00; /* 提醒/警告 */
  --info: #86909C;    /* 辅助信息 */
  
  /* 中性色 */
  --text-primary: #1D2129;
  --text-secondary: #4E5969;
  --text-tertiary: #86909C;
  --bg-primary: #FFFFFF;
  --bg-secondary: #F2F3F5;
  --bg-tertiary: #E5E6EB;
  --border-primary: #D0D3D9;
  --border-secondary: #E5E6EB;
  
  /* 暗黑模式 */
  --dark-bg-primary: #1D2129;
  --dark-bg-secondary: #272E3B;
  --dark-bg-tertiary: #303846;
  --dark-text-primary: #F2F3F5;
  --dark-text-secondary: #C9CDD4;
  --dark-border-primary: #4E5969;
  
  /* 布局变量 */
  --header-height: 60px;
  --sidebar-width: 280px;
  --card-radius: 8px;
  --card-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  --transition-base: all 0.3s ease;
}

/* 暗黑模式变量覆盖 */
.dark-mode {
  --bg-primary: var(--dark-bg-primary);
  --bg-secondary: var(--dark-bg-secondary);
  --bg-tertiary: var(--dark-bg-tertiary);
  --text-primary: var(--dark-text-primary);
  --text-secondary: var(--dark-text-secondary);
  --border-primary: var(--dark-border-primary);
  --border-secondary: var(--dark-bg-tertiary);
  --card-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  transition: var(--transition-base);
  min-height: 100vh;
}

/* 通用组件样式 */
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 20px;
}

.card {
  background-color: var(--bg-primary);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-secondary);
  padding: 20px;
  margin-bottom: 20px;
  transition: var(--transition-base);
}

.card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-secondary);
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  background-color: var(--primary);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition-base);
  gap: 6px;
}

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

.btn:active {
  background-color: var(--primary-dark);
}

.btn-success {
  background-color: var(--success);
}

.btn-success:hover {
  background-color: #00A627;
}

.btn-danger {
  background-color: var(--danger);
}

.btn-danger:hover {
  background-color: #E03333;
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background-color: rgba(22, 93, 255, 0.08);
}

.btn-sm {
  padding: 4px 12px;
  font-size: 12px;
}

.input {
  padding: 8px 12px;
  border: 1px solid var(--border-primary);
  border-radius: 4px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  transition: var(--transition-base);
  width: 100%;
}

.input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(22, 93, 255, 0.2);
}

.form-item {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* 头部样式 */
.header {
  height: var(--header-height);
  background-color: var(--primary);
  color: white;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.header-title {
  font-size: 20px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-base);
}

.theme-toggle:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

/* 主内容区布局 */
.main {
  display: flex;
  padding: 20px 0;
  gap: 20px;
}

.main-content {
  flex: 1;
}

.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
}

/* 股票数据展示区 */
.stock-info {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.info-item {
  display: flex;
  flex-direction: column;
  padding: 12px;
  border-radius: 6px;
  background-color: var(--bg-secondary);
  transition: var(--transition-base);
}

.info-item:hover {
  transform: translateY(-2px);
}

.info-label {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 4px;
}

.info-value {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
}

.info-value.success {
  color: var(--success);
}

.info-value.danger {
  color: var(--danger);
}

/* 信号指示器 */
.signal-indicator {
  padding: 8px 16px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 16px;
  text-align: center;
  margin: 16px 0;
  transition: var(--transition-base);
}

.signal-indicator.buy {
  background-color: rgba(0, 180, 42, 0.1);
  color: var(--success);
  border: 1px solid var(--success);
}

.signal-indicator.sell {
  background-color: rgba(245, 63, 63, 0.1);
  color: var(--danger);
  border: 1px solid var(--danger);
}

/* 图表容器 */
.chart-container {
  height: 500px;
  width: 100%;
  position: relative;
  border-radius: var(--card-radius);
  overflow: hidden;
}

.chart-loading {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

/* 信号历史列表 */
.signal-history {
  max-height: 400px;
  overflow-y: auto;
}

.history-item {
  padding: 12px;
  border-bottom: 1px solid var(--border-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-base);
}

.history-item:hover {
  background-color: var(--bg-secondary);
}

.history-item.buy {
  border-left: 4px solid var(--success);
}

.history-item.sell {
  border-left: 4px solid var(--danger);
}

.history-item .time {
  font-size: 12px;
  color: var(--text-tertiary);
}

.history-item .details {
  font-size: 14px;
  color: var(--text-secondary);
}

/* Toast提示组件 */
.toast {
  position: fixed;
  top: 80px;
  right: 20px;
  padding: 12px 20px;
  border-radius: 4px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: slideIn 0.3s ease forwards;
}

.toast-success {
  border-left: 4px solid var(--success);
}

.toast-error {
  border-left: 4px solid var(--danger);
}

.toast-warning {
  border-left: 4px solid var(--warning);
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* 响应式适配 */
@media (max-width: 1024px) {
  .main {
    flex-direction: column;
  }
  
  .sidebar {
    width: 100%;
  }
  
  .stock-info {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 50px;
    --sidebar-width: 100%;
  }
  
  .header-title {
    font-size: 16px;
  }
  
  .header-actions {
    gap: 8px;
  }
  
  .btn {
    padding: 6px 12px;
    font-size: 12px;
  }
  
  .chart-container {
    height: 300px;
  }
  
  .card {
    padding: 16px;
  }
  
  .stock-info {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .info-value {
    font-size: 18px;
  }
}

@media (max-width: 480px) {
  .stock-info {
    grid-template-columns: 1fr;
  }
  
  .header-actions {
    flex-wrap: wrap;
    justify-content: flex-end;
  }
}

/* 加载动画 */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border-secondary);
  border-top: 4px solid var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* 骨架屏 */
.skeleton {
  background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-tertiary) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 4px;
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* 浮动窗口样式 */
.floating-window {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 300px;
  background-color: var(--bg-primary);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  z-index: 999;
  overflow: hidden;
  resize: both;
  min-width: 200px;
  min-height: 150px;
}

.floating-header {
  background-color: var(--primary);
  color: white;
  padding: 8px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: move;
}

.floating-content {
  padding: 12px;
}

/* 策略面板样式 */
.strategy-panel {
  margin-top: 20px;
}

.strategy-toggle {
  background-color: var(--bg-secondary);
  border: none;
  padding: 8px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
}

.strategy-content {
  margin-top: 8px;
  padding: 16px;
  background-color: var(--bg-secondary);
  border-radius: 4px;
}

/* 数据导出导入样式 */
.import-export {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.file-input {
  display: none;
}

.file-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border: 1px solid var(--primary);
  border-radius: 4px;
  color: var(--primary);
  cursor: pointer;
  font-size: 14px;
  gap: 6px;
}

.file-label:hover {
  background-color: rgba(22, 93, 255, 0.08);
}
/* 新增语义化样式 */
.w-100 {
  width: 100% !important;
}

.mt-2 {
  margin-top: 8px !important;
}

.mt-4 {
  margin-top: 16px !important;
}

.form {
  width: 100%;
}

.form-group {
  margin-bottom: 16px;
}

.form-control {
  padding: 8px 12px;
  border: 1px solid var(--border-primary);
  border-radius: 4px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  transition: var(--transition-base);
  width: 100%;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(22, 93, 255, 0.2);
}

.form-label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

.form-hint {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 4px;
  display: block;
}

.form-subtitle {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-actions {
  margin-top: 8px;
}

.file-input-group {
  display: flex;
  gap: 8px;
  align-items: center;
}

.import-export-group {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.market-data-grid, .backtest-data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.data-item {
  display: flex;
  flex-direction: column;
  padding: 12px;
  border-radius: 6px;
  background-color: var(--bg-secondary);
  transition: var(--transition-base);
}

.data-item:hover {
  transform: translateY(-2px);
}

.data-label {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 4px;
}

.data-value {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
}

.signal-badge {
  padding: 8px 16px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 16px;
  text-align: center;
  margin: 16px 0;
  transition: var(--transition-base);
}

.empty-state {
  text-align: center;
  color: var(--text-tertiary);
  padding: 20px 0;
}

.footer {
  padding: 20px 0;
  margin-top: 40px;
  border-top: 1px solid var(--border-secondary);
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.disclaimer {
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.5;
}

.copyright {
  font-size: 12px;
  color: var(--text-tertiary);
  text-align: center;
}

.loading-text {
  margin-top: 12px;
  font-size: 14px;
  color: var(--text-secondary);
}

/* 响应式适配补充 */
@media (max-width: 768px) {
  .btn-text {
    display: none;
  }
  
  .market-data-grid, .backtest-data-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .import-export-group {
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .market-data-grid, .backtest-data-grid {
    grid-template-columns: 1fr;
  }
}