/* ===== OA 管理后台样式 ===== */
* { box-sizing: border-box; }
body.admin-body, body.login-body {
  margin: 0; font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #f2f4f8; color: #2c3345; font-size: 14px;
}
.admin-shell { display: flex; min-height: 100vh; }
.admin-side {
  width: 220px; background: #1f2733; color: #aab3c5; flex-shrink: 0;
  display: flex; flex-direction: column; padding: 16px 0;
}
.admin-brand { color: #fff; font-size: 18px; font-weight: 700; padding: 8px 20px 20px; }
.admin-brand small { display: block; font-size: 12px; font-weight: 400; color: #7d8aa0; margin-top: 4px; }
.admin-side nav { flex: 1; display: flex; flex-direction: column; }
.admin-side nav a, .logout-btn {
  color: #aab3c5; text-decoration: none; padding: 11px 20px; font-size: 14px;
  border: 0; background: none; text-align: left; cursor: pointer; width: 100%;
}
.admin-side nav a:hover, .admin-side nav a.active { background: #2c3849; color: #fff; }
.logout-btn { color: #ff8f8f; margin-top: 12px; border-top: 1px solid #2c3849; padding-top: 14px; }
.admin-main { flex: 1; padding: 24px 28px; overflow-x: hidden; }
.admin-h1 { font-size: 20px; margin: 0 0 18px; display: flex; align-items: center; gap: 12px; }
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 22px; }
.stat-card { background: #fff; border-radius: 10px; padding: 18px 22px; box-shadow: 0 1px 3px rgba(0,0,0,.06); }
.stat-num { display: block; font-size: 28px; font-weight: 700; color: #1f2733; }
.stat-label { color: #8792a6; font-size: 13px; }
.panel { background: #fff; border-radius: 10px; padding: 20px 22px; box-shadow: 0 1px 3px rgba(0,0,0,.06); margin-bottom: 18px; }
.panel.narrow { max-width: 640px; }
.panel-head { font-weight: 600; margin-bottom: 14px; display: flex; justify-content: space-between; align-items: center; }
.panel-sub { margin: 18px 0 8px; padding-top: 14px; border-top: 1px dashed #e3e7ee; font-size: 15px; }
form > label, .form-cols label { display: block; margin: 12px 0 5px; color: #55617a; font-size: 13px; }
input[type=text], input[type=email], input[type=password], input[type=number], select, textarea {
  width: 100%; padding: 9px 11px; border: 1px solid #d7dde8; border-radius: 7px;
  font-size: 14px; font-family: inherit; background: #fbfcfe;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: #4a7dff; }
.btn {
  display: inline-block; padding: 8px 16px; border-radius: 7px; border: 1px solid #d7dde8;
  background: #fff; color: #2c3345; cursor: pointer; font-size: 14px; text-decoration: none; margin-right: 6px;
}
.btn:hover { background: #f3f5f9; }
.btn-primary { background: #3565e0; border-color: #3565e0; color: #fff; }
.btn-primary:hover { background: #2b55c2; }
.btn-sm { padding: 5px 12px; font-size: 13px; }
.btn-block { display: block; text-align: center; margin: 8px 0 0; }
.tbl { width: 100%; border-collapse: collapse; }
.tbl th, .tbl td { text-align: left; padding: 10px 12px; border-bottom: 1px solid #eef1f6; }
.tbl th { color: #8792a6; font-weight: 500; font-size: 13px; }
.tbl code { background: #f0f3f9; padding: 2px 6px; border-radius: 4px; font-size: 12px; }
.ops a { color: #3565e0; text-decoration: none; margin-right: 8px; }
.linklike { background: none; border: 0; color: #3565e0; cursor: pointer; font-size: 14px; padding: 0; }
.linklike.danger { color: #d64545; }
.inline { display: inline; }
.remember { display: flex !important; align-items: center; gap: 6px; }
.remember input { width: auto !important; }
.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; font-size: 14px; }
.alert-ok { background: #e8f7ee; color: #1c7c3d; border: 1px solid #bfe8cf; }
.alert-err { background: #fdecec; color: #c0392b; border: 1px solid #f5c6c6; }
.form-cols { display: grid; grid-template-columns: 1fr 300px; gap: 18px; align-items: start; }
.side-panel { position: sticky; top: 20px; }
.searchbar { display: flex; gap: 8px; margin-bottom: 14px; max-width: 400px; }
.pagination-wrap { margin-top: 14px; }
.pagination-wrap .pagination { display: flex; gap: 4px; list-style: none; padding: 0; margin: 0; flex-wrap: wrap; }
.pagination-wrap a, .pagination-wrap span { padding: 5px 11px; border: 1px solid #d7dde8; border-radius: 6px; text-decoration: none; color: #2c3345; font-size: 13px; }
.pagination-wrap .active span { background: #3565e0; color: #fff; border-color: #3565e0; }
.pagination-wrap .disabled span { color: #b6bfce; }
/* 登录页 */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { background: #fff; padding: 34px 38px; border-radius: 12px; box-shadow: 0 4px 24px rgba(0,0,0,.08); width: 360px; }
.login-card h2 { margin: 0 0 4px; text-align: center; }
.login-sub { text-align: center; color: #8792a6; margin: 0 0 18px; }
.login-card .btn-block { margin-top: 18px; }
@media (max-width: 800px) {
  .form-cols { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr; }
  .admin-shell { flex-direction: column; }
  .admin-side { width: 100%; flex-direction: row; flex-wrap: wrap; }
}