/* ============================================
   NovaCloud - 深色科技感 UI 设计系统
   主色调：蓝紫色系
   ============================================ */

:root {
  /* 核心色板 - 蓝紫渐变 */
  --primary: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --secondary: #8b5cf6;
  --accent: #06b6d4;
  --accent-glow: rgba(6, 182, 212, 0.4);

  /* 深色背景 */
  --bg-primary: #0a0a1a;
  --bg-secondary: #12122a;
  --bg-tertiary: #1a1a3a;
  --bg-card: rgba(26, 26, 58, 0.7);
  --bg-glass: rgba(255, 255, 255, 0.03);

  /* 边框与分割线 */
  --border-primary: rgba(99, 102, 241, 0.2);
  --border-secondary: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(99, 102, 241, 0.5);

  /* 文字颜色 */
  --text-primary: #f0f0ff;
  --text-secondary: #a0a0c0;
  --text-muted: #606080;
  --text-accent: #818cf8;

  /* 渐变 */
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
  --gradient-card: linear-gradient(145deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
  --gradient-btn: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --gradient-btn-hover: linear-gradient(135deg, #818cf8 0%, #a78bfa 100%);

  /* 阴影与光晕 */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.3);
  --shadow-glow-lg: 0 0 60px rgba(99, 102, 241, 0.4);

  /* 圆角 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* 间距 */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* 字体 */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* 过渡动画 */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 20% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(6, 182, 212, 0.05) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

a {
  color: var(--text-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-light);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

/* ============================================
   通用布局容器
   ============================================ */
.nova-container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  position: relative;
  z-index: 1;
}

.nova-container-fluid {
  width: 100%;
  padding: 0 var(--space-lg);
  position: relative;
  z-index: 1;
}

/* ============================================
   按钮组件
   ============================================ */
.nova-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px 28px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.nova-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.nova-btn:hover::before {
  left: 100%;
}

.nova-btn-primary {
  background: var(--gradient-btn);
  color: #fff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.nova-btn-primary:hover {
  background: var(--gradient-btn-hover);
  box-shadow: 0 6px 30px rgba(99, 102, 241, 0.6);
  transform: translateY(-2px);
  color: #fff;
}

.nova-btn-secondary {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-primary);
  backdrop-filter: blur(10px);
}

.nova-btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
  color: var(--text-primary);
}

.nova-btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.nova-btn-ghost:hover {
  color: var(--text-primary);
  background: var(--bg-glass);
}

.nova-btn-lg {
  padding: 16px 40px;
  font-size: 16px;
}

.nova-btn-sm {
  padding: 8px 18px;
  font-size: 13px;
}

/* ============================================
   卡片组件
   ============================================ */
.nova-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.nova-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-primary);
  opacity: 0.5;
}

.nova-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

.nova-card-glow {
  background: var(--gradient-card);
  border-color: var(--border-primary);
}

/* ============================================
   输入框组件
   ============================================ */
.nova-input {
  width: 100%;
  padding: 14px 18px;
  font-size: 14px;
  background: var(--bg-glass);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all var(--transition-base);
  outline: none;
}

.nova-input::placeholder {
  color: var(--text-muted);
}

.nova-input:focus {
  border-color: var(--border-glow);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
  background: var(--bg-tertiary);
}

.nova-input-group {
  position: relative;
  margin-bottom: var(--space-lg);
}

.nova-input-group label {
  display: block;
  margin-bottom: var(--space-sm);
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ============================================
   徽章/标签
   ============================================ */
.nova-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-full);
  background: var(--bg-glass);
  color: var(--text-secondary);
  border: 1px solid var(--border-secondary);
}

.nova-badge-primary {
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-light);
  border-color: rgba(99, 102, 241, 0.3);
}

.nova-badge-success {
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
  border-color: rgba(34, 197, 94, 0.3);
}

.nova-badge-warning {
  background: rgba(251, 191, 36, 0.15);
  color: #fbbf24;
  border-color: rgba(251, 191, 36, 0.3);
}

.nova-badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.3);
}

/* ============================================
   工具类
   ============================================ */
.nova-flex { display: flex; }
.nova-flex-col { flex-direction: column; }
.nova-items-center { align-items: center; }
.nova-justify-center { justify-content: center; }
.nova-justify-between { justify-content: space-between; }
.nova-gap-sm { gap: var(--space-sm); }
.nova-gap-md { gap: var(--space-md); }
.nova-gap-lg { gap: var(--space-lg); }

.nova-text-center { text-align: center; }
.nova-text-primary { color: var(--text-primary); }
.nova-text-secondary { color: var(--text-secondary); }
.nova-text-muted { color: var(--text-muted); }
.nova-text-accent { color: var(--text-accent); }

.nova-mt-sm { margin-top: var(--space-sm); }
.nova-mt-md { margin-top: var(--space-md); }
.nova-mt-lg { margin-top: var(--space-lg); }
.nova-mt-xl { margin-top: var(--space-xl); }
.nova-mb-sm { margin-bottom: var(--space-sm); }
.nova-mb-md { margin-bottom: var(--space-md); }
.nova-mb-lg { margin-bottom: var(--space-lg); }
.nova-mb-xl { margin-bottom: var(--space-xl); }

/* ============================================
   动画
   ============================================ */
@keyframes nova-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes nova-pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(99, 102, 241, 0.3); }
  50% { box-shadow: 0 0 40px rgba(99, 102, 241, 0.6); }
}

@keyframes nova-shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.nova-animate-float {
  animation: nova-float 3s ease-in-out infinite;
}

.nova-animate-pulse-glow {
  animation: nova-pulse-glow 2s ease-in-out infinite;
}

/* ============================================
   滚动条美化
   ============================================ */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-primary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* ============================================
   选中文字颜色
   ============================================ */
::selection {
  background: rgba(99, 102, 241, 0.4);
  color: var(--text-primary);
}

/* ============================================
   Layer 弹窗深色适配
   ============================================ */
.layui-layer {
  border-radius: var(--radius-lg) !important;
  overflow: hidden !important;
}

.layui-layer-title {
  background: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
  border-bottom: 1px solid var(--border-secondary) !important;
  font-weight: 600 !important;
}

.layui-layer-content {
  background: var(--bg-primary) !important;
  color: var(--text-primary) !important;
}

.layui-layer-btn {
  background: var(--bg-secondary) !important;
  border-top: 1px solid var(--border-secondary) !important;
  padding: 12px 20px !important;
}

.layui-layer-btn a {
  background: var(--gradient-btn) !important;
  border: none !important;
  color: #fff !important;
  border-radius: var(--radius-md) !important;
  padding: 8px 20px !important;
  font-weight: 500 !important;
}

.layui-layer-btn .layui-layer-btn1 {
  background: var(--bg-tertiary) !important;
  color: var(--text-secondary) !important;
  border: 1px solid var(--border-secondary) !important;
}

.layui-layer-setwin .layui-layer-close {
  color: var(--text-secondary) !important;
}

.layui-layer-tips .layui-layer-content {
  background: var(--bg-card) !important;
  color: var(--text-primary) !important;
  box-shadow: var(--shadow-md) !important;
}

/* ============================================
   Bootstrap Table 深色适配
   ============================================ */
.bootstrap-table .fixed-table-container {
  background: var(--bg-card);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.bootstrap-table .table {
  background: transparent;
  color: var(--text-primary);
  margin-bottom: 0;
}

.bootstrap-table .table > thead > tr > th {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-secondary);
  font-weight: 500;
  padding: 14px 12px;
  vertical-align: middle;
}

.bootstrap-table .table > tbody > tr > td {
  padding: 14px 12px;
  border-top: 1px solid var(--border-secondary);
  vertical-align: middle;
}

.bootstrap-table .table > tbody > tr {
  transition: background var(--transition-fast);
}

.bootstrap-table .table > tbody > tr:hover {
  background: var(--bg-glass);
}

.bootstrap-table .table > tbody > tr.selected,
.bootstrap-table .table > tbody > tr.active {
  background: rgba(99, 102, 241, 0.1) !important;
}

.fixed-table-toolbar {
  background: var(--bg-card);
  border: 1px solid var(--border-secondary);
  border-bottom: none;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: 16px !important;
}

.fixed-table-pagination {
  background: var(--bg-card);
  border: 1px solid var(--border-secondary);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  padding: 16px;
  color: var(--text-secondary);
}

.fixed-table-pagination .pagination > li > a,
.fixed-table-pagination .pagination > li > span {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-secondary);
  color: var(--text-secondary);
  margin: 0 2px;
  border-radius: var(--radius-sm);
}

.fixed-table-pagination .pagination > li > a:hover {
  background: var(--bg-primary);
  color: var(--text-primary);
  border-color: var(--border-glow);
}

.fixed-table-pagination .pagination > .active > a,
.fixed-table-pagination .pagination > .active > span {
  background: var(--gradient-btn);
  border-color: transparent;
  color: #fff;
}

/* ============================================
   表单控件深色适配
   ============================================ */
select,
textarea,
input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="url"],
input[type="date"],
input[type="datetime-local"] {
  background: var(--bg-glass);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: 10px 14px;
  transition: all var(--transition-base);
  outline: none;
}

select:focus,
textarea:focus,
input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
input[type="url"]:focus,
input[type="date"]:focus,
input[type="datetime-local"]:focus {
  border-color: var(--border-glow);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
  background: var(--bg-tertiary);
}

textarea {
  resize: vertical;
  min-height: 100px;
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236366f1' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.75rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

/* ============================================
   数据看板/统计卡片
   ============================================ */
.nova-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.nova-stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.nova-stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
}

.nova-stat-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.nova-stat-card .label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.nova-stat-card .value {
  font-size: 32px;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nova-stat-card .icon-box {
  position: absolute;
  right: var(--space-xl);
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: var(--gradient-btn);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.9;
}

/* ============================================
   Tab 切换组件
   ============================================ */
.nova-tabs {
  display: flex;
  gap: var(--space-sm);
  border-bottom: 1px solid var(--border-secondary);
  margin-bottom: var(--space-xl);
  padding-bottom: 0;
  flex-wrap: wrap;
}

.nova-tab {
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all var(--transition-fast);
}

.nova-tab:hover {
  color: var(--text-primary);
}

.nova-tab.active {
  color: var(--primary-light);
  border-bottom-color: var(--primary);
}

/* ============================================
   通用页面容器
   ============================================ */
.nova-page {
  padding: var(--space-xl);
}

.nova-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.nova-page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

.nova-page-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ============================================
   通用表单面板
   ============================================ */
.nova-form-panel {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.nova-form-row {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--space-lg);
}

.nova-form-label {
  width: 120px;
  flex-shrink: 0;
  padding-top: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
  text-align: right;
  padding-right: var(--space-md);
}

.nova-form-control {
  flex: 1;
  min-width: 0;
}

.nova-form-control input,
.nova-form-control select,
.nova-form-control textarea {
  width: 100%;
  max-width: 400px;
}

.nova-form-help {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

.nova-form-actions {
  padding-left: 120px;
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-secondary);
  margin-top: var(--space-lg);
  display: flex;
  gap: var(--space-md);
}

@media (max-width: 640px) {
  .nova-form-row {
    flex-direction: column;
  }
  .nova-form-label {
    width: 100%;
    text-align: left;
    padding-right: 0;
    padding-top: 0;
    margin-bottom: var(--space-sm);
  }
  .nova-form-actions {
    padding-left: 0;
  }
}

/* ============================================
   ECharts 深色适配
   ============================================ */
.nova-chart-box {
  background: var(--bg-card);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  width: 100%;
}

.nova-chart-box > div {
  width: 100% !important;
}

/* ============================================
   上传组件深色适配
   ============================================ */
.upload-area {
  background: var(--bg-card);
  border: 2px dashed var(--border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  transition: all var(--transition-base);
  cursor: pointer;
}

.upload-area:hover {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.05);
}

.upload-area .upload-icon {
  font-size: 48px;
  color: var(--primary-light);
  margin-bottom: var(--space-md);
}

.upload-area .upload-text {
  font-size: 16px;
  color: var(--text-primary);
  font-weight: 500;
}

.upload-area .upload-hint {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: var(--space-sm);
}