/* admin/css/style.css - 后台管理系统全局样式 */

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

:root {
  --primary: #10b981;
  --primary-dark: #059669;
  --primary-light: #ecfdf5;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #dc2626;
  --info: #3b82f6;
  --purple: #8b5cf6;

  --text-primary: #111827;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;

  --bg: #f3f4f6;
  --bg-white: #ffffff;
  --bg-gray: #f9fafb;

  --border: #e5e7eb;
  --border-light: #f3f4f6;

  --sidebar-bg: #1f2937;
  --sidebar-hover: #374151;
  --sidebar-active: #10b981;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 14px;
  color: var(--text-primary);
  background: var(--bg);
  line-height: 1.5;
}

/* ============ 登录页 ============ */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #059669 0%, #10b981 50%, #34d399 100%);
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  top: -100px;
  right: -100px;
}

.login-page::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
  bottom: -50px;
  left: 100px;
}

.login-card {
  width: 420px;
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  position: relative;
  z-index: 2;
}

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

.login-logo-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, #10b981, #059669);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 36px;
}

.login-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

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

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

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

.form-input {
  width: 100%;
  height: 44px;
  padding: 0 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--text-primary);
  transition: all 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

.btn-block {
  width: 100%;
}

.btn-lg {
  height: 48px;
  font-size: 16px;
}

.btn-sm {
  height: 32px;
  padding: 0 16px;
  font-size: 13px;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

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

.btn-danger {
  background: #fef2f2;
  color: var(--danger);
}

.btn-danger:hover {
  background: #fee2e2;
}

.btn-success {
  background: #ecfdf5;
  color: var(--success);
}

.btn-success:hover {
  background: #d1fae5;
}

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

/* 侧边栏 */
.sidebar {
  width: 240px;
  background: var(--sidebar-bg);
  color: #fff;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
}

.sidebar-logo {
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #10b981, #059669);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.sidebar-logo-text {
  font-size: 16px;
  font-weight: 600;
}

.sidebar-menu {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 4px;
  text-decoration: none;
}

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

.menu-item.active {
  background: var(--sidebar-active);
  color: #fff;
  font-weight: 500;
}

.menu-icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
}

.menu-badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
}

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

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.sidebar-user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-username {
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-role {
  font-size: 12px;
  opacity: 0.6;
}

/* 主内容区 */
.main-content {
  flex: 1;
  margin-left: 240px;
  min-height: 100vh;
}

/* 顶部导航 */
.top-header {
  height: 60px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.page-title {
  font-size: 18px;
  font-weight: 600;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-action {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.2s;
  position: relative;
}

.header-action:hover {
  background: var(--bg-gray);
  color: var(--text-primary);
}

.notification-dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 8px;
  height: 8px;
  background: var(--danger);
  border-radius: 50%;
  border: 2px solid #fff;
}

/* 内容区 */
.content-wrapper {
  padding: 24px;
}

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

.stat-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
}

.stat-card.primary::before { background: var(--primary); }
.stat-card.warning::before { background: var(--warning); }
.stat-card.info::before { background: var(--info); }
.stat-card.success::before { background: var(--success); }
.stat-card.danger::before { background: var(--danger); }

.stat-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
}

.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.stat-icon.primary { background: #ecfdf5; }
.stat-icon.warning { background: #fffbeb; }
.stat-icon.info { background: #eff6ff; }
.stat-icon.success { background: #ecfdf5; }
.stat-icon.danger { background: #fef2f2; }

.stat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

-stat-change {
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.stat-change.up { color: var(--success); }
.stat-change.down { color: var(--danger); }

/* ============ 卡片 ============ */
.card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}

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

.card-title {
  font-size: 16px;
  font-weight: 600;
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.card-body {
  padding: 20px 24px;
}

/* ============ 表格 ============ */
.table-wrapper {
  overflow-x: auto;
}

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

.data-table th {
  background: var(--bg-gray);
  padding: 12px 16px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-light);
  font-size: 14px;
  color: var(--text-primary);
}

.data-table tr:hover td {
  background: var(--bg-gray);
}

/* 状态标签 */
.status-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.status-success { background: #ecfdf5; color: #059669; }
.status-warning { background: #fffbeb; color: #d97706; }
.status-danger { background: #fef2f2; color: #dc2626; }
.status-info { background: #eff6ff; color: #2563eb; }
.status-default { background: #f3f4f6; color: #6b7280; }
.status-purple { background: #f5f3ff; color: #7c3aed; }

/* 操作按钮组 */
.action-btns {
  display: flex;
  gap: 8px;
}

.action-btn {
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  border: none;
  background: transparent;
  transition: all 0.2s;
}

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

.action-btn.danger { color: var(--danger); }
.action-btn.danger:hover { background: #fef2f2; }

.action-btn.info { color: var(--info); }
.action-btn.info:hover { background: #eff6ff; }

/* ============ 搜索栏 ============ */
.search-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.search-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-item label {
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.search-input {
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  width: 180px;
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
}

.search-select {
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  width: 140px;
  background: #fff;
}

/* ============ 分页 ============ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 16px 24px;
  border-top: 1px solid var(--border-light);
}

.page-btn {
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

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

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

.page-info {
  font-size: 13px;
  color: var(--text-secondary);
  margin-right: 12px;
}

/* ============ 弹窗 ============ */
.modal-mask {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal {
  background: #fff;
  border-radius: var(--radius-lg);
  width: 480px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

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

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

.modal-close {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 18px;
}

.modal-close:hover {
  background: var(--bg-gray);
}

.modal-body {
  padding: 24px;
}

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

/* ============ 详情信息 ============ */
.detail-section {
  margin-bottom: 24px;
}

.detail-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
}

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

.detail-item {
  display: flex;
  font-size: 14px;
}

.detail-label {
  color: var(--text-secondary);
  width: 100px;
  flex-shrink: 0;
}

.detail-value {
  color: var(--text-primary);
  font-weight: 500;
}

/* ============ 图表区域 ============ */
.chart-container {
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-gray);
  border-radius: var(--radius-md);
}

.chart-placeholder {
  text-align: center;
  color: var(--text-muted);
}

.chart-placeholder-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

/* 简易柱状图 */
.bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  height: 220px;
  padding: 20px 0;
}

.bar-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.bar {
  width: 100%;
  max-width: 40px;
  background: linear-gradient(180deg, #34d399, #10b981);
  border-radius: 4px 4px 0 0;
  transition: all 0.3s;
}

.bar:hover {
  opacity: 0.8;
}

.bar-label {
  font-size: 12px;
  color: var(--text-muted);
}

.bar-value {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ============ 待办列表 ============ */
.todo-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.todo-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-gray);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s;
}

.todo-item:hover {
  background: var(--primary-light);
}

.todo-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.todo-content {
  flex: 1;
  min-width: 0;
}

.todo-title {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 2px;
}

.todo-desc {
  font-size: 12px;
  color: var(--text-muted);
}

.todo-count {
  background: var(--danger);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 10px;
  flex-shrink: 0;
}

/* ============ 最近动态 ============ */
.activity-list {
  display: flex;
  flex-direction: column;
}

.activity-item {
  display: flex;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
}

.activity-item:last-child {
  border-bottom: none;
}

.activity-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  margin-top: 5px;
  flex-shrink: 0;
}

.activity-content {
  flex: 1;
}

.activity-text {
  font-size: 13px;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.activity-time {
  font-size: 12px;
  color: var(--text-muted);
}

/* 双栏布局 */
.two-col {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
}

.three-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* 响应式 */
@media (max-width: 1200px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .two-col {
    grid-template-columns: 1fr;
  }
  .three-col {
    grid-template-columns: 1fr;
  }
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 60px 20px;
}

.empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

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

/* 工具类 */
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--text-muted); }

.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }

.mb-4 { margin-bottom: 16px; }
.mt-4 { margin-top: 16px; }