:root {
  --primary: #3b6fe0;
  --primary-dark: #2d5bcb;
  --primary-light: #e8f0ff;
  --success: #10b981;
  --success-light: #d1fae5;
  --warning: #f59e0b;
  --warning-light: #fef3c7;
  --danger: #ef4444;
  --danger-light: #fee2e2;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --sidebar-width: 230px;
  --sidebar-bg: #1e293b;
  --sidebar-hover: #334155;
  --sidebar-active: #3b6fe0;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif; background: var(--gray-100); color: var(--gray-800); font-size: 14px; }
a { text-decoration: none; color: inherit; }
input, select, textarea, button { font-family: inherit; font-size: inherit; }

#app { display: flex; min-height: 100vh; }

/* === 侧边栏 === */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  color: #cbd5e1;
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  z-index: 100;
}
.sidebar-header { padding: 20px 16px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon {
  width: 40px; height: 40px;
  background: var(--primary);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 16px;
}
.logo-text { display: flex; flex-direction: column; }
.logo-title { color: #fff; font-size: 16px; font-weight: 700; }
.logo-sub { color: #94a3b8; font-size: 11px; }

.sidebar-nav { flex: 1; padding: 8px 12px; overflow-y: auto; }
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  color: #94a3b8;
  margin-bottom: 2px;
  transition: all 0.15s ease;
  cursor: pointer;
}
.nav-item:hover { background: var(--sidebar-hover); color: #fff; }
.nav-item.active { background: var(--sidebar-active); color: #fff; }
.nav-item svg { flex-shrink: 0; }

.sidebar-footer { padding: 12px 16px; border-top: 1px solid #334155; }
.version-info { color: #64748b; font-size: 12px; }

/* === 主内容区 === */
.main-content { flex: 1; margin-left: var(--sidebar-width); display: flex; flex-direction: column; min-height: 100vh; }

.top-bar {
  height: 60px;
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky; top: 0; z-index: 50;
  box-shadow: var(--shadow);
}
.top-bar h1 { font-size: 18px; font-weight: 600; color: var(--gray-800); }
.top-bar-right { display: flex; align-items: center; gap: 16px; }
.search-box {
  display: flex; align-items: center; gap: 8px;
  background: var(--gray-100); border: 1px solid var(--gray-200);
  border-radius: 20px; padding: 6px 14px; width: 280px;
}
.search-box input { border: none; background: transparent; outline: none; width: 100%; color: var(--gray-700); }
.user-info { display: flex; align-items: center; gap: 8px; }
.user-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 600;
}
.user-name { font-size: 13px; color: var(--gray-600); }

.page-content { padding: 24px; flex: 1; }

/* === 卡片 === */
.card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 16px;
}
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px;
}
.card-title { font-size: 16px; font-weight: 600; color: var(--gray-800); }

/* === 统计卡片 === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.15s ease;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.stat-card-label { font-size: 13px; color: var(--gray-500); }
.stat-card-value { font-size: 32px; font-weight: 700; color: var(--gray-800); }
.stat-card-icon {
  width: 44px; height: 44px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; margin-bottom: 4px;
}
.stat-card-icon.blue { background: var(--primary-light); color: var(--primary); }
.stat-card-icon.green { background: var(--success-light); color: var(--success); }
.stat-card-icon.amber { background: var(--warning-light); color: var(--warning); }
.stat-card-icon.red { background: var(--danger-light); color: var(--danger); }

/* === 表格 === */
.table-wrap { overflow-x: auto; }
table.data-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.data-table thead th {
  background: var(--gray-50);
  padding: 12px 16px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-500);
  border-bottom: 1px solid var(--gray-200);
  white-space: nowrap;
}
.data-table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-100);
  font-size: 13px;
  color: var(--gray-700);
}
.data-table tbody tr:hover { background: var(--gray-50); }
.data-table .actions { display: flex; gap: 6px; }
.data-table .actions button {
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--gray-200);
  background: #fff;
  color: var(--gray-600);
  cursor: pointer;
  transition: all 0.15s ease;
  font-size: 12px;
}
.data-table .actions button:hover { background: var(--primary-light); color: var(--primary); border-color: var(--primary); }
.data-table .actions button.danger:hover { background: var(--danger-light); color: var(--danger); border-color: var(--danger); }
.data-table .actions button.success:hover { background: var(--success-light); color: var(--success); border-color: var(--success); }

/* === 标签 === */
.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}
.tag-blue { background: var(--primary-light); color: var(--primary); }
.tag-green { background: var(--success-light); color: var(--success); }
.tag-amber { background: var(--warning-light); color: #92400e; }
.tag-red { background: var(--danger-light); color: var(--danger); }
.tag-gray { background: var(--gray-100); color: var(--gray-500); }

/* === 按钮 === */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.15s ease;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #059669; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-outline { background: #fff; color: var(--gray-600); border: 1px solid var(--gray-300); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.btn-sm { padding: 5px 12px; font-size: 12px; }

/* === 弹窗 === */
.modal-overlay {
  display: none;
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.4);
  z-index: 1000;
  justify-content: center;
  align-items: flex-start;
  padding-top: 40px;
  overflow-y: auto;
}
.modal-overlay.active { display: flex; }
.modal {
  background: #fff;
  border-radius: 12px;
  width: 90%;
  max-width: 720px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  margin-bottom: 40px;
}
.modal.large { max-width: 920px; }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--gray-200);
  position: sticky; top: 0; background: #fff; z-index: 10;
  border-radius: 12px 12px 0 0;
}
.modal-header h2 { font-size: 18px; font-weight: 600; color: var(--gray-800); }
.modal-close {
  background: none; border: none; font-size: 24px;
  color: var(--gray-400); cursor: pointer; padding: 0;
  line-height: 1;
}
.modal-close:hover { color: var(--gray-600); }
.modal-body { padding: 24px; }

/* === 表单 === */
.form-row { display: flex; gap: 16px; margin-bottom: 16px; }
.form-row.cols-2 > * { flex: 1; }
.form-row.cols-3 > * { flex: 1; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-600);
}
.form-group label .required { color: var(--danger); }
.form-control {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  font-size: 14px;
  color: var(--gray-800);
  background: #fff;
  transition: border-color 0.15s ease;
  outline: none;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(59,111,224,0.1); }
textarea.form-control { min-height: 80px; resize: vertical; }
select.form-control { cursor: pointer; }

.form-section { margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--gray-100); }
.form-section:last-child { border-bottom: none; }
.form-section-title {
  font-size: 14px; font-weight: 600; color: var(--gray-700);
  margin-bottom: 16px; padding-bottom: 8px;
  border-left: 3px solid var(--primary); padding-left: 10px;
}

.form-actions {
  display: flex; justify-content: flex-end; gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-100);
}

/* === 粘贴解析区 === */
.parse-area {
  background: var(--gray-50);
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}
.parse-area textarea {
  width: 100%; min-height: 100px;
  border: 1px solid var(--gray-200);
  border-radius: 6px; padding: 10px;
  font-size: 13px; background: #fff;
  resize: vertical; outline: none;
}
.parse-actions { display: flex; gap: 8px; margin-top: 10px; }
.confirm-box {
  background: var(--primary-light);
  border: 1px solid #bfdbfe;
  border-radius: var(--radius);
  padding: 12px 16px;
  margin: 12px 0;
  display: none;
}
.confirm-box.active { display: block; }
.confirm-box .confirm-msg {
  display: flex; align-items: center; gap: 8px;
  color: var(--primary-dark); font-size: 13px; margin-bottom: 8px;
}

/* === 预览图 === */
.image-preview {
  width: 80px; height: 80px;
  object-fit: cover; border-radius: 6px;
  border: 1px solid var(--gray-200);
}
.image-preview-large {
  max-width: 200px; max-height: 200px;
  border-radius: 8px; border: 1px solid var(--gray-200);
}
.upload-box {
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s ease;
}
.upload-box:hover { border-color: var(--primary); }
.upload-box input { display: none; }
.upload-box .upload-text { color: var(--gray-500); font-size: 13px; }

/* === 跟进预警 === */
.warning-row { background: var(--danger-light) !important; }
.warning-row td { color: #991b1b !important; }
.escalation-row { background: #fef3c7 !important; }
.escalation-row td { color: #92400e !important; }

.warning-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 8px; border-radius: 12px;
  font-size: 12px; font-weight: 500;
}
.warning-badge.red { background: var(--danger); color: #fff; }
.warning-badge.amber { background: var(--warning); color: #fff; }
.warning-badge.green { background: var(--success); color: #fff; }

/* === Toast === */
.toast-container { position: fixed; top: 80px; right: 24px; z-index: 2000; }
.toast {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 12px 20px;
  margin-bottom: 10px;
  display: flex; align-items: center; gap: 10px;
  min-width: 280px;
  animation: slideIn 0.3s ease;
  border-left: 4px solid var(--gray-400);
}
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* === 空状态 === */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--gray-400);
}
.empty-state svg { width: 64px; height: 64px; margin-bottom: 16px; }
.empty-state h3 { font-size: 16px; color: var(--gray-500); margin-bottom: 8px; }
.empty-state p { font-size: 13px; color: var(--gray-400); }

/* === 面包屑 === */
.breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--gray-400); margin-bottom: 16px; }
.breadcrumb a { color: var(--primary); cursor: pointer; }
.breadcrumb a:hover { text-decoration: underline; }

/* === 详情面板 === */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.detail-item { padding: 12px 0; border-bottom: 1px solid var(--gray-100); }
.detail-label { font-size: 12px; color: var(--gray-400); margin-bottom: 4px; }
.detail-value { font-size: 14px; color: var(--gray-800); font-weight: 500; }

/* === 进度条 === */
.progress { height: 8px; background: var(--gray-100); border-radius: 4px; overflow: hidden; }
.progress-bar { height: 100%; background: var(--primary); border-radius: 4px; transition: width 0.3s ease; }

/* === 滚动条 === */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }

/* === 工具栏 === */
.toolbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px; gap: 12px; flex-wrap: wrap;
}
.toolbar-left { display: flex; align-items: center; gap: 10px; }
.toolbar-right { display: flex; align-items: center; gap: 10px; }

.filter-select {
  padding: 7px 12px;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  background: #fff;
  font-size: 13px;
  cursor: pointer;
  outline: none;
}
.filter-select:focus { border-color: var(--primary); }

/* === 客户详情 === */
.customer-tabs {
  display: flex; gap: 4px; border-bottom: 2px solid var(--gray-100); margin-bottom: 20px;
}
.tab-item {
  padding: 10px 20px;
  cursor: pointer;
  font-size: 14px;
  color: var(--gray-500);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.15s ease;
}
.tab-item:hover { color: var(--primary); }
.tab-item.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

/* === 聊天记录 === */
.chat-message {
  display: flex; gap: 10px; margin-bottom: 12px;
  padding: 10px; border-radius: 8px; background: var(--gray-50);
}
.chat-message .chat-meta { font-size: 12px; color: var(--gray-500); margin-bottom: 4px; }
.chat-message .chat-content { font-size: 14px; color: var(--gray-800); }

@media (max-width: 768px) {
  .sidebar { width: 60px; }
  .sidebar-header .logo-text { display: none; }
  .nav-item span { display: none; }
  .main-content { margin-left: 60px; }
  .search-box { width: 160px; }
  .form-row { flex-direction: column; }
  .detail-grid { grid-template-columns: 1fr; }
}

/* === 登录界面 === */
.login-screen {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #1e293b 0%, #2d5bcb 60%, #3b6fe0 100%);
}
.login-card {
  width: 400px; max-width: calc(100vw - 40px);
  background: #fff; border-radius: 16px; padding: 40px 36px 28px;
  box-shadow: var(--shadow-lg); text-align: center;
}
.login-logo { display: flex; justify-content: center; margin-bottom: 16px; }
.login-title { font-size: 20px; color: var(--gray-900); margin-bottom: 6px; }
.login-sub { font-size: 13px; color: var(--gray-500); margin-bottom: 24px; }
.login-card .form-group { text-align: left; margin-bottom: 16px; }
.login-card label { display: block; font-size: 13px; color: var(--gray-600); margin-bottom: 6px; font-weight: 500; }
.login-card .form-control { width: 100%; }
.btn-block { width: 100%; padding: 10px 0; font-size: 15px; margin-top: 4px; }
.login-error { color: var(--danger); font-size: 13px; min-height: 18px; margin-bottom: 4px; }
.login-tip { margin-top: 18px; font-size: 12px; color: var(--gray-400); line-height: 1.6; }
.user-role { cursor: default; }

/* === 安全预警横幅 === */
.alert-banner {
  display: flex; align-items: center; gap: 10px;
  margin: 12px 24px 0; padding: 10px 16px;
  background: var(--danger-light); color: #b91c1c;
  border: 1px solid #fecaca; border-radius: var(--radius);
  font-size: 13px; cursor: pointer; font-weight: 500;
}
.alert-banner:hover { background: #fee2e2; }
.alert-banner-icon { font-size: 16px; }
.alert-banner-action { margin-left: auto; font-size: 12px; color: #dc2626; white-space: nowrap; }

/* === 防截图模式 === */
body.screenshot-guard #app { -webkit-user-select: none; user-select: none; }
body.screenshot-guard img { -webkit-user-drag: none; }
@media print {
  body.screenshot-guard * { display: none !important; }
  body.screenshot-guard::after {
    content: '管理员已开启截图/打印防护，禁止打印本页面数据';
    display: block; padding: 40px; font-size: 16px; color: #999; text-align: center;
  }
}

/* === 用户管理页面 === */
.ops-stat-num { font-size: 20px; font-weight: 700; }
.ops-stat-num.danger { color: var(--danger); }
.alert-item { display: flex; align-items: flex-start; gap: 10px; padding: 10px 12px; border-radius: var(--radius); margin-bottom: 8px; background: var(--gray-50); border: 1px solid var(--gray-200); }
.alert-item.unread { background: var(--danger-light); border-color: #fecaca; }
.alert-item .alert-item-title { font-weight: 600; font-size: 13px; color: var(--gray-800); }
.alert-item.unread .alert-item-title { color: #b91c1c; }
.alert-item .alert-item-time { font-size: 12px; color: var(--gray-400); margin-top: 2px; }
.alert-item .alert-item-content { font-size: 13px; color: var(--gray-600); margin-top: 4px; line-height: 1.5; }