/* admin/css/style.css - 管理后台全局样式 */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  background: #f0f2f5;
  color: #333;
}

/* ============================================================
   布局
   ============================================================ */
.layout {
  display: flex;
  height: 100vh;
}

/* 侧边栏 */
.sidebar {
  width: 220px;
  background: #1a237e;
  color: #fff;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-logo {
  padding: 24px 20px;
  font-size: 18px;
  font-weight: bold;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  text-align: center;
}

.sidebar-logo small {
  display: block;
  font-size: 12px;
  font-weight: normal;
  opacity: 0.7;
  margin-top: 4px;
}

.nav-list { flex: 1; padding: 12px 0; }

.nav-item {
  display: block;
  padding: 12px 24px;
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: all 0.2s;
}

.nav-item:hover, .nav-item.active {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-left-color: #64B5F6;
}

.nav-item .icon { margin-right: 10px; }

.sidebar-user {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 13px;
  opacity: 0.8;
}

/* 主内容区 */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.topbar {
  background: #fff;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

.topbar-title {
  font-size: 18px;
  font-weight: 600;
  color: #333;
}

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

.content {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

/* ============================================================
   卡片
   ============================================================ */
.card {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  margin-bottom: 20px;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid #f0f0f0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  color: #333;
}

.card-body { padding: 20px; }

/* 统计卡片 */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.stat-card {
  background: #fff;
  border-radius: 8px;
  padding: 20px 24px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  border-left: 4px solid #1976D2;
}

.stat-card.green { border-left-color: #4CAF50; }
.stat-card.orange { border-left-color: #FF9800; }
.stat-card.red { border-left-color: #F44336; }

.stat-number {
  font-size: 32px;
  font-weight: bold;
  color: #1976D2;
  margin-bottom: 4px;
}

.stat-card.green .stat-number { color: #4CAF50; }
.stat-card.orange .stat-number { color: #FF9800; }

.stat-label {
  font-size: 13px;
  color: #999;
}

/* ============================================================
   按钮
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: #1976D2;
  color: #fff;
  border-color: #1976D2;
}
.btn-primary:hover { background: #1565C0; }

.btn-danger {
  background: #F44336;
  color: #fff;
  border-color: #F44336;
}
.btn-danger:hover { background: #D32F2F; }

.btn-default {
  background: #fff;
  color: #666;
  border-color: #ddd;
}
.btn-default:hover { border-color: #aaa; }

.btn-sm { padding: 4px 10px; font-size: 13px; }

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th {
  background: #fafafa;
  color: #666;
  font-weight: 600;
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid #f0f0f0;
}

td {
  padding: 12px 16px;
  border-bottom: 1px solid #f5f5f5;
  color: #333;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafeff; }

/* ============================================================
   标签 Badge
   ============================================================ */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.badge-green { background: #E8F5E9; color: #2E7D32; }
.badge-blue  { background: #E3F2FD; color: #1565C0; }
.badge-red   { background: #FFEBEE; color: #C62828; }
.badge-gray  { background: #f5f5f5; color: #757575; }
.badge-orange { background: #FFF3E0; color: #E65100; }

/* ============================================================
   表单
   ============================================================ */
.form-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 16px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 13px; color: #666; font-weight: 500; }

input[type="text"], input[type="password"], select, textarea {
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 14px;
  color: #333;
  outline: none;
  transition: border-color 0.2s;
}

input:focus, select:focus, textarea:focus {
  border-color: #1976D2;
  box-shadow: 0 0 0 2px rgba(25,118,210,0.1);
}

/* 上传区域 */
.upload-zone {
  border: 2px dashed #ddd;
  border-radius: 8px;
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}

.upload-zone:hover {
  border-color: #1976D2;
  background: #E3F2FD;
}

.upload-zone.drag-over {
  border-color: #1976D2;
  background: #E3F2FD;
}

/* ============================================================
   模态框
   ============================================================ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal-overlay.show { display: flex; }

.modal-box {
  background: #fff;
  border-radius: 12px;
  width: 480px;
  max-width: 90vw;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid #f0f0f0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title { font-size: 17px; font-weight: 600; }
.modal-close { cursor: pointer; font-size: 20px; color: #999; }
.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid #f0f0f0;
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* ============================================================
   Toast 消息提示
   ============================================================ */
#toast {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #333;
  color: #fff;
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 14px;
  z-index: 9999;
  display: none;
}

#toast.show { display: block; }
#toast.success { background: #4CAF50; }
#toast.error   { background: #F44336; }

/* 分页 */
.pagination {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}

.page-btn {
  padding: 6px 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  background: #fff;
}

.page-btn.active { background: #1976D2; color: #fff; border-color: #1976D2; }
.page-btn:hover:not(.active) { border-color: #1976D2; color: #1976D2; }