/* ==========================================
 * 巨爆财务管理系统 - 全局样式
 * 参照 CRM 浅色主题风格
 * ========================================== */

:root {
  --bg-color: #f5f5f5;
  --card-bg: #ffffff;
  --border-color: #e0e0e0;
  --nav-bg: #1a1a2e;
  --nav-width: 220px;
  --nav-hover: #16213e;
  --nav-active: #0f3460;
  --primary-color: #4a90d9;
  --text-color: #333333;
  --text-secondary: #666666;
  --text-muted: #999999;
  --amount-positive: #e74c3c;  /* 红正 */
  --amount-negative: #3498db;  /* 蓝负 */
  --tag-blue-bg: #e8f4fd;
  --tag-blue-text: #2980b9;
  --tag-purple-bg: #f0e0f8;
  --tag-purple-text: #8e44ad;
  --tag-green-bg: #d5f5e3;
  --tag-green-text: #27ae60;
  --tag-orange-bg: #fff3cd;
  --tag-orange-text: #d68910;
  --tag-cyan-bg: #d1ecf1;
  --tag-cyan-text: #0c5460;
  --tag-gray-bg: #e9ecef;
  --tag-gray-text: #495057;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --radius: 8px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  font-size: 14px;
  color: var(--text-color);
  background: var(--bg-color);
  display: flex;
  min-height: 100vh;
}

/* ============ 左侧导航 ============ */
.sidebar {
  width: var(--nav-width);
  background: var(--nav-bg);
  color: #fff;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-header {
  padding: 24px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header h1 {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 1px;
}

.sidebar-header .subtitle {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  margin-top: 4px;
}

.nav-list {
  list-style: none;
  padding: 12px 0;
  flex: 1;
}

.nav-item {
  padding: 12px 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  transition: all 0.2s;
  border-left: 3px solid transparent;
}

.nav-item:hover {
  background: var(--nav-hover);
  color: #fff;
}

.nav-item.active {
  background: var(--nav-active);
  color: #fff;
  border-left-color: var(--primary-color);
}

.nav-item .icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

/* ============ 主内容区 ============ */
.main-content {
  margin-left: var(--nav-width);
  flex: 1;
  padding: 24px;
  min-height: 100vh;
}

/* 面包屑 */
.breadcrumb {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.breadcrumb span {
  color: var(--text-muted);
}

.breadcrumb .current {
  color: var(--text-color);
  font-weight: 500;
}

/* 页面标题区 */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.page-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-color);
}

/* 搜索框 */
.search-box {
  position: relative;
}

.search-box input {
  width: 260px;
  padding: 8px 12px 8px 36px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
}

.search-box input:focus {
  border-color: var(--primary-color);
}

.search-box::before {
  content: "🔍";
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
}

/* 工具栏 */
.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.btn {
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}

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

.btn-primary:hover {
  background: #357abd;
}

.btn-default {
  background: #fff;
  color: var(--text-color);
  border: 1px solid var(--border-color);
}

.btn-default:hover {
  background: #f8f8f8;
}

.btn-danger {
  background: #e74c3c;
  color: #fff;
}

.btn-danger:hover {
  background: #c0392b;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

/* 视图标签 */
.view-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 16px;
}

.view-tab {
  padding: 10px 20px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s;
}

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

.view-tab.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
  font-weight: 500;
}

/* ============ 数据表格 ============ */
.table-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

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

.data-table th {
  background: #fafafa;
  padding: 12px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
  position: sticky;
  top: 0;
}

.data-table td {
  padding: 10px 14px;
  font-size: 13px;
  border-bottom: 1px solid #f0f0f0;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.data-table tr:nth-child(even) {
  background: #fafbfc;
}

.data-table tr:hover {
  background: #f0f7ff;
}

.data-table .col-actions {
  width: 120px;
  text-align: center;
}

.data-table .col-amount {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.data-table .col-amount.positive {
  color: var(--amount-positive);
}

.data-table .col-amount.negative {
  color: var(--amount-negative);
}

/* ============ 标签样式 ============ */
.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}

.tag-blue {
  background: var(--tag-blue-bg);
  color: var(--tag-blue-text);
}

.tag-purple {
  background: var(--tag-purple-bg);
  color: var(--tag-purple-text);
}

.tag-green {
  background: var(--tag-green-bg);
  color: var(--tag-green-text);
}

.tag-orange {
  background: var(--tag-orange-bg);
  color: var(--tag-orange-text);
}

.tag-cyan {
  background: var(--tag-cyan-bg);
  color: var(--tag-cyan-text);
}

.tag-gray {
  background: var(--tag-gray-bg);
  color: var(--tag-gray-text);
}

/* 合同状态特殊颜色 */
.status-contract-flow {
  background: var(--tag-purple-bg);
  color: var(--tag-purple-text);
}

.status-archived {
  background: var(--tag-green-bg);
  color: var(--tag-green-text);
}

.status-no-contract {
  background: var(--tag-cyan-bg);
  color: var(--tag-cyan-text);
}

/* 链接样式 */
.link-cell {
  color: var(--primary-color);
  text-decoration: none;
  cursor: pointer;
}

.link-cell:hover {
  text-decoration: underline;
}

/* ============ 分页 ============ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-top: 1px solid #f0f0f0;
  font-size: 13px;
  color: var(--text-secondary);
}

.pagination .page-btns {
  display: flex;
  gap: 4px;
}

.pagination .page-btn {
  padding: 5px 10px;
  border: 1px solid var(--border-color);
  background: #fff;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
}

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

.pagination .page-btn.active {
  background: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
}

.pagination .page-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============ 仪表盘 ============ */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.stat-card .stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-color);
}

.stat-card .stat-value.positive {
  color: var(--amount-positive);
}

.stat-card .stat-value.negative {
  color: var(--amount-negative);
}

.stat-card .stat-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ============ 弹窗 ============ */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s;
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: #fff;
  border-radius: 12px;
  width: 680px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px 8px;
  border-radius: 4px;
}

.modal-close:hover {
  background: #f0f0f0;
}

.modal-body {
  padding: 24px;
}

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

/* 表单 */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary-color);
}

.form-group textarea {
  resize: vertical;
  min-height: 60px;
}

/* ============ Tooltip ============ */
.tooltip-cell {
  position: relative;
}

.tooltip-cell:hover::after {
  content: attr(data-full);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: #333;
  color: #fff;
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 12px;
  white-space: nowrap;
  max-width: 400px;
  overflow: hidden;
  text-overflow: ellipsis;
  z-index: 999;
}

/* ============ 空状态 ============ */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state .icon {
  font-size: 48px;
  margin-bottom: 12px;
}

/* ============ 滚动条 ============ */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 3px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

/* ============ 表格容器滚动 ============ */
.table-wrapper {
  overflow-x: auto;
}

/* ============ 隐藏页面 ============ */
.page-section {
  display: none;
}

.page-section.active {
  display: block;
}

/* ============ 登录页面 ============ */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.login-container {
  width: 100%;
  max-width: 400px;
  padding: 20px;
}

.login-card {
  background: #fff;
  border-radius: 12px;
  padding: 40px 32px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-header h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--nav-bg);
  margin-bottom: 8px;
}

.login-header p {
  font-size: 13px;
  color: var(--text-muted);
}

.login-form .form-group {
  margin-bottom: 20px;
}

.login-form .form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.login-form .form-group input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.login-form .form-group input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.1);
}

.login-btn {
  width: 100%;
  padding: 12px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 8px;
  justify-content: center;
  margin-top: 8px;
}

.login-error {
  display: none;
  background: #fff5f5;
  color: #e74c3c;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 16px;
  border: 1px solid #fecaca;
}

.login-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 12px;
  color: var(--text-muted);
}

/* ============ 顶部用户信息栏 ============ */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}

.user-info .user-name {
  font-weight: 600;
  color: var(--text-color);
}

.user-info .user-role {
  padding: 2px 8px;
  background: var(--tag-blue-bg);
  color: var(--tag-blue-text);
  border-radius: 10px;
  font-size: 11px;
  font-weight: 500;
}

.user-info .btn {
  padding: 4px 10px;
  font-size: 12px;
}