/* ============================================
   滤芯进销存系统 - 设计规范 v4
   设计语言：专业商务深蓝 + 清晰层次
   ============================================ */

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: #E8EDF2;
  color: #1f2937;
}

#root {
  min-height: 100vh;
}

/* === 侧边导航 - 深蓝灰渐变（强制占满全高） === */
.ant-layout-sider.app-sider {
  background: linear-gradient(180deg, #1a2332 0%, #0f1724 100%) !important;
  box-shadow: 2px 0 8px rgba(0,0,0,0.3);
  height: 100vh !important;
  max-height: 100vh !important;
  min-height: 100vh !important;
  flex: 0 0 220px !important;
  position: relative !important;
  overflow: hidden !important;
}

/* 确保整个布局占满全屏 */
.ant-layout {
  min-height: 100vh !important;
}

/* 侧边栏顶部光泽层 */
.ant-layout-sider.app-sider::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: linear-gradient(180deg, rgba(255,255,255,0.05) 0%, transparent 100%);
  pointer-events: none;
  z-index: 1;
}

/* 底部渐变淡出 */
.ant-layout-sider.app-sider::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.2) 100%);
  pointer-events: none;
}

/* Logo区域 */
.app-logo {
  height: 64px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.app-logo-text {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 1px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.app-logo-sub {
  font-size: 10px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 2px;
  margin-top: 2px;
}

/* 菜单样式 */
.app-menu {
  background: transparent !important;
  border-right: none !important;
  position: relative;
  z-index: 2;
}

.app-menu .ant-menu-item {
  color: rgba(255,255,255,0.75);
  margin: 4px 12px;
  border-radius: 8px;
  height: 44px;
  line-height: 44px;
  font-size: 14px;
  transition: all 0.2s ease;
}

.app-menu .ant-menu-item:hover {
  background: rgba(255,255,255,0.12) !important;
  color: #fff;
}

.app-menu .ant-menu-item-selected {
  background: rgba(59,130,246,0.7) !important;
  color: #fff;
  font-weight: 500;
}

/* 选中指示条 */
.app-menu .ant-menu-item-selected::after {
  display: none;
}

/* === 顶部导航 === */
.app-header {
  background: #fff !important;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
  border-bottom: 1px solid #e2e8f0;
}

.app-header .header-title {
  font-size: 18px;
  font-weight: 600;
  color: #1a2332;
  letter-spacing: 0.3px;
}

.app-header .header-user {
  font-size: 14px;
  color: #64748b;
}

/* === 主内容区 === */
.ant-layout-content {
  background: #E8EDF2 !important;
  min-height: calc(100vh - 64px);
}

/* 页面标题 */
.page-title {
  font-size: 22px;
  font-weight: 700;
  color: #1a2332;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid #cbd5e1;
}

/* 数据卡片 */
.stat-card {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  transition: all 0.25s ease;
  border: 1px solid #f1f5f9;
}

.stat-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.1), 0 2px 4px rgba(0,0,0,0.06);
  transform: translateY(-2px);
  border-color: #e2e8f0;
}

.stat-card .stat-label {
  font-size: 13px;
  color: #64748b;
  margin-bottom: 8px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-card .stat-value {
  font-size: 32px;
  font-weight: 700;
  color: #1a2332;
}

.stat-card .stat-sub {
  font-size: 12px;
  color: #94a3b8;
  margin-top: 6px;
}

/* 卡片状态颜色 */
.stat-card.success .stat-value { color: #059669; }
.stat-card.warning .stat-value { color: #d97706; }
.stat-card.danger .stat-value { color: #dc2626; }
.stat-card.info .stat-value { color: #2563eb; }

/* 统计卡片网格 */
.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

/* 页面容器 */
.page-dashboard,
.page-inventory,
.page-stock-in,
.page-stock-out,
.page-data,
.page-settings {
  padding: 24px;
}

/* 表格样式 */
.ant-table {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.ant-table-thead > tr > th {
  background: #f8fafc !important;
  color: #475569;
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid #e2e8f0;
}

/* 表单卡片 */
.form-card {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  border: 1px solid #f1f5f9;
}

.form-title {
  font-size: 16px;
  font-weight: 600;
  color: #1a2332;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e2e8f0;
}

/* 按钮主色调 */
.ant-btn-primary {
  background: #2563eb !important;
  border-color: #2563eb !important;
}

.ant-btn-primary:hover {
  background: #1d4ed8 !important;
  border-color: #1d4ed8 !important;
}

/* 手机端样式 */
@media (max-width: 767px) {
  .app-header .header-title {
    font-size: 15px;
  }
  
  .stat-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  
  .page-dashboard,
  .page-inventory,
  .page-stock-in,
  .page-stock-out,
  .page-data,
  .page-settings {
    padding: 12px;
  }
  
  .ant-drawer .ant-drawer-header {
    background: #1a2332;
    border-bottom: none;
  }
  
  .ant-drawer .ant-drawer-title {
    color: #fff;
  }
  
  .ant-drawer .ant-drawer-close {
    color: rgba(255,255,255,0.7);
  }
  
  /* 手机端抽屉菜单背景 */
  .ant-drawer .ant-drawer-body {
    background: #1a2332;
    padding: 0;
  }
  
  /* 手机端菜单项 */
  .ant-drawer .ant-menu {
    background: transparent;
    color: rgba(255,255,255,0.85);
  }
  
  .ant-drawer .ant-menu-item {
    color: rgba(255,255,255,0.85);
    height: 52px;
    line-height: 52px;
    font-size: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  
  .ant-drawer .ant-menu-item:hover {
    background: rgba(255,255,255,0.1) !important;
    color: #fff;
  }
  
  .ant-drawer .ant-menu-item-selected {
    background: rgba(59,130,246,0.6) !important;
    color: #fff;
  }
}