/* ========================================
   ConanChannelSt - Ethereum.org 风格主题
   ======================================== */

:root {
  /* 背景色 */
  --bg-primary: #1B1B1D;
  --bg-secondary: #222225;
  --bg-card: #2A2A2D;
  --bg-card-hover: #333337;
  --bg-hover: rgba(140, 141, 252, 0.1);
  
  /* 文字色 */
  --text-primary: #F2F2F2;
  --text-secondary: #B2B2B2;
  --text-muted: #7A7A7A;
  
  /* 边框 */
  --border-color: rgba(255, 255, 255, 0.1);
  
  /* 强调色 - 紫粉渐变 */
  --accent-color: #8C8DFC;
  --accent-secondary: #D4A5FF;
  --accent-gradient: linear-gradient(135deg, #8C8DFC 0%, #D4A5FF 50%, #F7A8B8 100%);
  
  /* 状态色 */
  --success-color: #48BB78;
  --warning-color: #ECC94B;
  --danger-color: #F56565;
  --info-color: #63B3ED;
  
  /* 圆角规范 */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* 阴影规范 */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
  
  /* 过渡动画 */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.2s ease;
  --transition-slow: 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
}

/* ========================================
   登录页
   ======================================== */
.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #1B1B1D 0%, #2D1F3D 50%, #1B1B1D 100%);
  position: relative;
  overflow: hidden;
}

/* 背景光晕效果 - 紫色 */
.login-container::before {
  content: '';
  position: absolute;
  top: -30%;
  left: -20%;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, rgba(140, 141, 252, 0.2) 0%, transparent 60%);
  pointer-events: none;
  animation: float 8s ease-in-out infinite;
}

/* 背景光晕效果 - 粉色 */
.login-container::after {
  content: '';
  position: absolute;
  bottom: -20%;
  right: -20%;
  width: 50%;
  height: 50%;
  background: radial-gradient(circle, rgba(247, 168, 184, 0.15) 0%, transparent 60%);
  pointer-events: none;
  animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -20px); }
}

.login-card {
  width: 400px;
  padding: 40px;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.login-card:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.login-title {
  text-align: center;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 32px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-title .icon {
  font-size: 48px;
  margin-bottom: 16px;
  display: block;
  -webkit-text-fill-color: initial;
}

/* ========================================
   主布局
   ======================================== */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* 侧边栏 */
.sidebar {
  width: 250px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-logo::before {
  content: '◆';
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 20px;
}

.sidebar-menu {
  flex: 1;
  padding: 12px 8px;
}

.menu-item {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-normal);
  gap: 12px;
  font-size: 14px;
  border-radius: var(--radius-md);
  margin-bottom: 2px;
}

.menu-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.menu-item.active {
  background: var(--accent-color);
  color: #fff;
  font-weight: 500;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  color: #fff;
}

.user-name {
  flex: 1;
  font-size: 14px;
  color: var(--text-primary);
}

/* 主内容区 */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-primary);
}

.content-header {
  padding: 20px 28px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.content-body {
  flex: 1;
  padding: 24px 28px;
  overflow-y: auto;
}

/* ========================================
   卡片组件
   ======================================== */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: none;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: var(--text-primary);
}

.card-body {
  padding: 20px;
}

/* ========================================
   统计卡片
   ======================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
}

/* 顶部渐变装饰条 */
.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
}

.stat-card:hover {
  box-shadow: var(--shadow-md);
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 500;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
}

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

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

.stat-change {
  font-size: 12px;
  margin-top: 6px;
  color: var(--text-muted);
}

/* ========================================
   表格样式覆盖
   ======================================== */
.el-table {
  --el-table-bg-color: transparent;
  --el-table-tr-bg-color: transparent;
  --el-table-header-bg-color: var(--bg-secondary);
  --el-table-row-hover-bg-color: var(--bg-hover);
  --el-table-border-color: var(--border-color);
  --el-table-text-color: var(--text-primary);
  --el-table-header-text-color: var(--text-secondary);
  font-size: 14px;
}

.el-table th.el-table__cell {
  font-weight: 600;
  font-size: 12px;
}

/* ========================================
   状态标签
   ======================================== */
.status-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
}

.status-tag.success {
  background: rgba(72, 187, 120, 0.2);
  color: var(--success-color);
}

.status-tag.warning {
  background: rgba(236, 201, 75, 0.2);
  color: var(--warning-color);
}

.status-tag.danger {
  background: rgba(245, 101, 101, 0.2);
  color: var(--danger-color);
}

.status-tag.info {
  background: rgba(99, 179, 237, 0.2);
  color: var(--info-color);
}

/* ========================================
   趋势指示器
   ======================================== */
.trend-indicator {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
}

.trend-indicator.up {
  color: var(--success-color);
}

.trend-indicator.down {
  color: var(--danger-color);
}

/* ========================================
   Element Plus Ethereum 主题覆盖
   ======================================== */
.el-input__wrapper,
.el-textarea__inner {
  background-color: var(--bg-secondary) !important;
  box-shadow: none !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-md) !important;
  transition: all var(--transition-normal) !important;
}

.el-input__wrapper:hover {
  border-color: var(--text-muted) !important;
}

.el-input__wrapper:focus-within {
  border-color: var(--accent-color) !important;
  box-shadow: 0 0 0 3px rgba(140, 141, 252, 0.2) !important;
}

.el-input__inner,
.el-textarea__inner {
  color: var(--text-primary) !important;
}

.el-button--primary {
  --el-button-bg-color: var(--accent-color);
  --el-button-border-color: var(--accent-color);
  background: var(--accent-color) !important;
  border: none !important;
  color: #fff !important;
  font-weight: 600 !important;
  border-radius: var(--radius-md) !important;
  transition: all var(--transition-normal) !important;
}

.el-button--primary:hover {
  background: var(--accent-secondary) !important;
}

.el-button--danger {
  --el-button-bg-color: var(--danger-color);
  --el-button-border-color: var(--danger-color);
  border-radius: var(--radius-md) !important;
}

.el-card {
  --el-card-bg-color: var(--bg-card);
  --el-card-border-color: transparent;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.el-dialog {
  --el-dialog-bg-color: var(--bg-card);
  border: none;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.el-form-item__label {
  color: var(--text-secondary) !important;
  font-size: 13px !important;
}

.el-select__wrapper {
  background-color: var(--bg-secondary) !important;
  border: 1px solid var(--border-color) !important;
  box-shadow: none !important;
  border-radius: var(--radius-md) !important;
}

.el-switch__core {
  background-color: var(--bg-card-hover) !important;
}

.el-switch.is-checked .el-switch__core {
  background: var(--accent-color) !important;
}

.el-pagination {
  --el-pagination-bg-color: transparent;
  --el-pagination-button-bg-color: var(--bg-card);
  --el-pagination-hover-color: var(--accent-color);
}

.el-radio-button__inner {
  background: var(--bg-card) !important;
  border-color: var(--border-color) !important;
  color: var(--text-secondary) !important;
  border-radius: var(--radius-sm) !important;
}

.el-radio-button__original-radio:checked + .el-radio-button__inner {
  background: var(--accent-color) !important;
  border-color: var(--accent-color) !important;
  color: #fff !important;
}

/* ========================================
   幽灵按钮（透明背景）
   ======================================== */
.btn-ghost {
  background: transparent !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-secondary) !important;
  transition: all var(--transition-normal) !important;
}

.btn-ghost:hover {
  border-color: var(--accent-color) !important;
  color: var(--accent-color) !important;
  background: var(--bg-hover) !important;
}

/* ========================================
   图表容器
   ======================================== */
.chart-container {
  width: 100%;
  height: 300px;
}

/* ========================================
   空状态
   ======================================== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state .icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

/* ========================================
   加载状态
   ======================================== */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}