/* ============================================
   盒子管理中心 - 全局主题样式
   基于 Element Plus CSS 变量覆盖机制
   ============================================ */

/* ===== Design Token ===== */
:root {
  /* Brand Colors */
  --color-primary: #409eff;
  --color-primary-light: #66b1ff;
  --color-primary-dark: #337ecc;

  /* Semantic Colors */
  --color-success: #67c23a;
  --color-warning: #e6a23c;
  --color-danger: #f56c6c;
  --color-info: #909399;

  /* Layout Colors */
  --color-bg-page: #f0f2f5;
  --color-bg-sidebar: #1a1a2e;
  --color-bg-header-start: #1a1a2e;
  --color-bg-header-end: #16213e;
  --color-bg-card: #ffffff;
  --color-bg-light: #f5f7fa;
  --color-bg-table-header: #fafafa;

  /* Text Colors */
  --color-text-primary: #303133;
  --color-text-regular: #606266;
  --color-text-secondary: #909399;
  --color-text-placeholder: #c0c4cc;

  /* Sidebar */
  --sidebar-width: 220px;
  --sidebar-text-color: #b0b8c8;
  --sidebar-active-color: #ffffff;

  /* Header */
  --header-text-color: #ffffff;
  --header-user-color: #c0c4cc;

  /* Border */
  --color-border: #ebeef5;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-round: 20px;

  /* Shadows */
  --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;

  /* Typography */
  --font-family-base: "Helvetica Neue", Helvetica, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

/* ===== Element Plus CSS Variable Overrides ===== */
:root {
  --el-color-primary: var(--color-primary);
  --el-color-primary-light-3: var(--color-primary-light);
  --el-color-primary-dark-2: var(--color-primary-dark);
  --el-color-success: var(--color-success);
  --el-color-warning: var(--color-warning);
  --el-color-danger: var(--color-danger);
  --el-color-info: var(--color-info);

  --el-text-color-primary: var(--color-text-primary);
  --el-text-color-regular: var(--color-text-regular);
  --el-text-color-secondary: var(--color-text-secondary);
  --el-text-color-placeholder: var(--color-text-placeholder);

  --el-border-color-base: var(--color-border);
  --el-border-color-light: var(--color-border);
  --el-border-color-lighter: var(--color-border);

  --el-fill-color-light: var(--color-bg-light);
  --el-bg-color-page: var(--color-bg-page);
  --el-bg-color-overlay: var(--color-bg-card);

  --el-border-radius-base: var(--radius-sm);
  --el-border-radius-small: var(--radius-sm);
  --el-border-radius-round: var(--radius-round);

  --el-font-family: var(--font-family-base);
}

/* ===== Global Reset ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

[v-cloak] {
  display: none;
}

/* ===== Layout ===== */
.app-container {
  height: 100vh;
}

/* Header */
.el-header {
  background: linear-gradient(135deg, var(--color-bg-header-start), var(--color-bg-header-end));
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
}

.logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--header-text-color);
  letter-spacing: 2px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo span {
  font-size: 24px;
}

.user-area {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--header-user-color);
  font-size: 14px;
}

.user-area a {
  color: var(--color-danger);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.user-area a:hover {
  opacity: 0.8;
}

/* Sidebar */
.el-aside {
  background: var(--color-bg-sidebar);
}

.el-menu {
  border-right: none;
}

/* Main Content */
.el-main {
  background: var(--color-bg-page);
  padding: var(--spacing-lg);
}

/* ===== Search Card ===== */
.search-card {
  margin-bottom: var(--spacing-md);
}

.search-card .el-form-item {
  margin-bottom: 0;
}

.search-card .search-actions {
  text-align: center;
  margin-top: 12px;
}

/* ===== Table Card ===== */
.table-card {
  padding: 0;
}

.table-card .el-table {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* ===== Pagination ===== */
.pagination-wrap {
  display: flex;
  justify-content: center;
  padding: 20px 0 0;
}

/* ===== Action Bar ===== */
.action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.action-bar .left {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.action-bar .right {
  display: flex;
  gap: 10px;
}

/* ===== Empty State ===== */
.empty-state {
  padding: 60px 0;
  text-align: center;
}

.empty-state .empty-icon {
  font-size: 64px;
  color: #dcdfe6;
  margin-bottom: var(--spacing-md);
}

.empty-state .empty-title {
  font-size: 16px;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.empty-state .empty-desc {
  font-size: 14px;
  color: var(--color-text-placeholder);
  margin-bottom: var(--spacing-lg);
}

/* ===== Dialog Tip ===== */
.dialog-tip {
  font-size: 13px;
  color: var(--color-text-secondary);
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 12px var(--spacing-md);
  margin-bottom: 20px;
  line-height: 1.6;
}

.dialog-tip strong {
  color: var(--color-text-regular);
}

/* ===== Element Plus Deep Overrides ===== */

/* Table header */
.el-table th.el-table__cell {
  background: var(--color-bg-table-header);
  color: var(--color-text-regular);
  font-weight: 600;
}

/* Card */
.el-card {
  border-radius: var(--radius-lg);
}

/* Button */
.el-button--primary {
  --el-button-hover-bg-color: var(--color-primary-light);
  --el-button-active-bg-color: var(--color-primary-dark);
}

/* Tag */
.el-tag {
  border-radius: var(--radius-sm);
}

/* Menu item hover */
.el-menu-item:hover {
  background-color: rgba(255, 255, 255, 0.08) !important;
}