/* 后台样式 */
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: Arial, "Microsoft YaHei", sans-serif; font-size: 13px; background: #eef1f5; color: #333; }
a { color: #1a6bb8; text-decoration: none; }
a:hover { color: #d23333; }

/* 登录页 */
.login-body { background: #516147; display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-box { width: 320px; background: #fff; border-radius: 6px; box-shadow: 0 4px 18px rgba(0,0,0,.25); padding: 24px 28px; }
.login-title { text-align: center; font-size: 15px; letter-spacing: 4px; color: #296935; font-weight: bold; margin-bottom: 18px; }
.login-error { background: #fdecea; color: #c0392b; border: 1px solid #f5c6c0; padding: 8px 10px; margin-bottom: 12px; border-radius: 4px; }
.login-row { margin-bottom: 14px; }
.login-row label { display: block; color: #333; margin-bottom: 4px; }
.login-row input { width: 100%; padding: 8px 10px; border: 1px solid #bbb; border-radius: 4px; }
.login-btn { margin-top: 18px; }
.login-btn button { width: 100%; padding: 9px; background: #296935; color: #fff; border: none; border-radius: 4px; font-size: 14px; cursor: pointer; letter-spacing: 6px; }
.login-btn button:hover { background: #1f5430; }

/* 管理框架 */
.admin-body { background: #eef1f5; }
.admin-top { background: #1a4477; color: #fff; padding: 12px 18px; display: flex; justify-content: space-between; align-items: center; }
.admin-top-title { font-size: 15px; letter-spacing: 2px; }
.admin-top-right a { color: #ffe; margin-left: 14px; }
.admin-wrap { display: flex; min-height: calc(100vh - 48px); }
.admin-menu { width: 190px; flex: 0 0 190px; background: #233c55; padding: 10px 0; }
.menu-group { color: #8fb1d8; padding: 12px 16px 6px; font-size: 12px; letter-spacing: 2px; }
.admin-menu a { display: block; padding: 10px 18px; color: #dbe7f5; }
.admin-menu a:hover { background: #1a2f44; color: #fff; }
.admin-menu a.on { background: #006fa1; color: #fff; }
.admin-main { flex: 1; padding: 20px; min-width: 0; }

/* 页面区块 */
.admin-card { background: #fff; border: 1px solid #d5dde5; border-radius: 5px; margin-bottom: 18px; }
.admin-card .card-title { background: #f2f5f8; border-bottom: 1px solid #e0e6ec; padding: 10px 16px; font-weight: bold; }
.admin-card .card-body { padding: 16px; }
table.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th, .admin-table td { border: 1px solid #e0e6ec; padding: 8px 10px; text-align: left; font-size: 13px; }
.admin-table th { background: #f2f5f8; }
.admin-table tr:hover td { background: #f8fafc; }

.btn { display: inline-block; padding: 6px 14px; border: none; border-radius: 3px; cursor: pointer; font-size: 13px; }
.btn-primary { background: #006fa1; color: #fff; }
.btn-primary:hover { background: #005a85; }
.btn-danger { background: #c0392b; color: #fff; }
.btn-danger:hover { background: #a93226; }
.btn-gray { background: #95a5a6; color: #fff; }

.form-grid { max-width: 760px; }
.form-row { margin-bottom: 14px; }
.form-row label { display: block; margin-bottom: 5px; font-weight: bold; color: #1a4477; }
.form-row input[type=text], .form-row input[type=password], .form-row select, .form-row textarea {
  width: 100%; padding: 8px 10px; border: 1px solid #c3cdd7; border-radius: 4px; font-size: 13px; font-family: inherit;
}
.form-row textarea { resize: vertical; }
.form-row .hint { color: #888; font-size: 12px; margin-top: 4px; }

.pager { text-align: right; margin-top: 12px; color: #ff3300; }
.pager a { margin: 0 3px; }
.muted { color: #888; }
.flash-ok { background: #eaf7ef; color: #1e8449; border: 1px solid #bfe3cd; padding: 10px 14px; border-radius: 4px; margin-bottom: 14px; }
.flash-err { background: #fdecea; color: #c0392b; border: 1px solid #f5c6c0; padding: 10px 14px; border-radius: 4px; margin-bottom: 14px; }