/* ===== 设计Token — 择康乐防伪溯源 · 翡翠绿+暖金（与小程序/H5统一） ===== */
:root {
  /* 主色：翡翠绿（健康/自然/信任） */
  --color-primary: #0E7A5D;
  --color-primary-hover: #12A37F;
  --color-primary-active: #095E47;
  --color-primary-light: #E8F5F0;
  --color-primary-lighter: #F0FAF7;
  --color-primary-bg: linear-gradient(135deg, #0E7A5D 0%, #095E47 100%);

  /* 辅助：暖金（品质/高端/安心） */
  --color-teal: #0E7A5D;
  --color-teal-light: #E8F5F0;

  /* 功能色 */
  --color-success: #389E0D;
  --color-success-light: #F6FFED;
  --color-success-border: #B7EB8F;
  --color-warning: #D48806;
  --color-warning-light: #FFFBE6;
  --color-warning-border: #FFE58F;
  --color-error: #CF1322;
  --color-error-light: #FFF1F0;
  --color-error-border: #FFA39E;

  /* 产品暖金 */
  --color-gold: #8C5E3C;
  --color-gold-light: #C5A17D;
  --color-gold-bg: #FFFDF9;
  --color-gold-border: #F5E6C8;

  /* 中性色 - 冷灰基态 */
  --color-text-primary: #1F1F1F;
  --color-text-secondary: #595959;
  --color-text-muted: #8C8C8C;
  --color-text-disabled: #BFBFBF;
  --color-border: #D9D9D9;
  --color-border-light: #F0F0F0;
  --color-divider: #F5F5F5;
  --color-bg-page: #F5F5F5;
  --color-bg-elevated: #FFFFFF;
  --color-bg-dark: #1a2e26;            /* 深森林绿侧边栏，与翡翠绿同色系更深 */
  --color-bg-dark-lighter: #243b32;

  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.15);

  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 999px;

  /* 动画 */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 350ms;
  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===== 通用样式 ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--color-bg-page);
  color: var(--color-text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== 登录页样式 ===== */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-bg);
  position: relative;
  overflow: hidden;
}

.login-container::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -60px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}

.login-container::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -60px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
}

.login-box {
  width: 420px;
  background: var(--color-bg-elevated);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  box-shadow: var(--shadow-xl);
  position: relative;
  z-index: 1;
}

.login-header {
  text-align: center;
  margin-bottom: 40px;
}

.login-logo {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-header h1 {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.login-header p {
  font-size: 14px;
  color: var(--color-text-muted);
}

.login-form .form-group {
  margin-bottom: 24px;
}

.login-form label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.login-form input {
  width: 100%;
  height: 46px;
  padding: 0 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 14px;
  transition: all var(--duration-normal) var(--ease-out);
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
}

.login-form input::placeholder {
  color: var(--color-text-disabled);
}

.login-form input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(14, 122, 93, 0.12);
}

.btn-login {
  width: 100%;
  height: 46px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  letter-spacing: 2px;
}

.btn-login:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 12px rgba(14, 122, 93, 0.25);
}

.btn-login:active {
  background: var(--color-primary-active);
  transform: scale(0.98);
}

.login-tip {
  margin-top: 28px;
  text-align: center;
  font-size: 12px;
  color: var(--color-text-disabled);
}

/* ===== 管理后台布局 ===== */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 220px;
  background: var(--color-bg-dark);
  color: #fff;
  transition: width var(--duration-normal) var(--ease-out);
}

.sidebar-header {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-header h2 {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 2px;
}

.sidebar-logo {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.sidebar-menu {
  padding: 12px 0;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 24px;
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  transition: all var(--duration-normal) var(--ease-out);
  border-left: 3px solid transparent;
  font-size: 14px;
}

.menu-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.menu-item.active {
  background: rgba(14, 122, 93, 0.15);
  color: #fff;
  border-left-color: var(--color-primary);
}

.menu-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: 0.7;
  transition: opacity var(--duration-normal);
}

.menu-item:hover .menu-icon,
.menu-item.active .menu-icon {
  opacity: 1;
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.header {
  height: 64px;
  background: var(--color-bg-elevated);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--color-border-light);
}

.header-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.header-user {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.content {
  flex: 1;
  padding: 28px;
}

/* ===== 数据看板 ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: all var(--duration-normal) var(--ease-out);
}

.stat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.stat-card .stat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}

.stat-card .stat-label {
  font-size: 14px;
  color: var(--color-text-muted);
  font-weight: 400;
}

.chart-card {
  background: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  margin-bottom: 24px;
}

.chart-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 20px;
}

/* ===== 产品管理 ===== */
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.btn-add {
  padding: 8px 24px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all var(--duration-normal) var(--ease-out);
}

.btn-add:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 12px rgba(14, 122, 93, 0.25);
}

.data-table {
  width: 100%;
  background: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
}

.data-table table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
}

.data-table th {
  background: var(--color-divider);
  font-weight: 600;
  font-size: 13px;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.data-table td {
  font-size: 14px;
  color: var(--color-text-primary);
}

.data-table tbody tr:hover {
  background: var(--color-primary-lighter);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
}

.status-badge.active {
  background: var(--color-success-light);
  color: var(--color-success);
  border: 1px solid var(--color-success-border);
}

.status-badge.inactive {
  background: var(--color-error-light);
  color: var(--color-error);
  border: 1px solid var(--color-error-border);
}

.action-btns {
  display: flex;
  gap: 8px;
}

.btn-edit,
.btn-delete {
  padding: 5px 14px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all var(--duration-normal) var(--ease-out);
}

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

.btn-edit:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn-delete {
  background: var(--color-error-light);
  color: var(--color-error);
}

.btn-delete:hover {
  background: var(--color-error);
  color: #fff;
}

/* ===== 分页 ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 24px;
}

.pagination button {
  padding: 6px 14px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  color: var(--color-text-secondary);
  transition: all var(--duration-normal) var(--ease-out);
}

.pagination button:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination button.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  font-weight: 500;
}

/* ===== 弹窗 ===== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal.show {
  display: flex;
}

.modal-content {
  width: 600px;
  background: var(--color-bg-elevated);
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: var(--shadow-xl);
  animation: modalIn var(--duration-normal) var(--ease-spring);
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border-light);
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--color-text-muted);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--duration-normal);
}

.modal-close:hover {
  background: var(--color-divider);
  color: var(--color-text-primary);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

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

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--color-text-primary);
  transition: all var(--duration-normal) var(--ease-out);
  background: var(--color-bg-elevated);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(14, 122, 93, 0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-disabled);
}

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

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238C8C8C' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-light);
}

.btn-cancel,
.btn-save {
  padding: 9px 28px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all var(--duration-normal) var(--ease-out);
}

.btn-cancel {
  background: var(--color-bg-elevated);
  border: 1.5px solid var(--color-border);
  color: var(--color-text-secondary);
}

.btn-cancel:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-save {
  background: var(--color-primary);
  border: none;
  color: #fff;
}

.btn-save:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 12px rgba(14, 122, 93, 0.25);
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sidebar {
    width: 64px;
  }

  .sidebar-header h2,
  .menu-item span {
    display: none;
  }

  .menu-item {
    justify-content: center;
    padding: 14px 0;
  }

  .menu-item .menu-icon {
    margin: 0;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .modal-content {
    width: 92%;
    padding: 20px;
  }

  .login-box {
    width: 92%;
    padding: 32px 24px;
  }
}

/* ===== 防伪码按钮 ===== */
.btn-qrcode {
  padding: 5px 14px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  background: var(--color-primary-light);
  color: var(--color-primary);
  transition: all var(--duration-normal) var(--ease-out);
}

.btn-qrcode:hover {
  background: var(--color-primary);
  color: #fff;
}

/* ===== 防伪码弹窗 ===== */
.qr-modal-info {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.qr-info-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  background: var(--color-divider);
  border-radius: var(--radius-full);
  font-size: 13px;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.qr-config-section {
  background: var(--color-divider);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
}

.qr-config-section h4 {
  margin-bottom: 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.qr-btn-row {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.qr-result-msg {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  font-size: 14px;
  line-height: 1.6;
}

.qr-result-success {
  background: var(--color-success-light);
  border: 1px solid var(--color-success-border);
  color: #389E0D;
}

.qr-result-error {
  background: var(--color-error-light);
  border: 1px solid var(--color-error-border);
  color: #CF1322;
}

.qr-result-warning {
  background: var(--color-warning-light);
  border: 1px solid var(--color-warning-border);
  color: #D48806;
}

.qr-preview-section {
  margin-bottom: 20px;
}

.qr-preview-section h4 {
  margin-bottom: 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.qr-preview-count {
  font-size: 12px;
  color: var(--color-text-muted);
  font-weight: 400;
}

/* 防伪码列表表格 */
.code-list-wrap {
  max-height: 400px;
  overflow-y: auto;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}

.code-list-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.code-list-table thead {
  position: sticky;
  top: 0;
  z-index: 1;
}

.code-list-table th {
  background: var(--color-divider);
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.code-list-table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text-primary);
}

.code-list-table tbody tr:hover {
  background: var(--color-primary-lighter);
}

.qr-download-section h4 {
  margin-bottom: 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-primary);
}

/* 编辑时锁定字段样式 */
.field-locked {
  background: var(--color-divider) !important;
  color: var(--color-text-disabled) !important;
  cursor: not-allowed;
  border-color: var(--color-border-light) !important;
}

.field-locked-hint {
  font-size: 12px;
  color: var(--color-text-muted);
  font-weight: 400;
}