/* 后台管理样式 */
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: system-ui, -apple-system, "Microsoft YaHei", sans-serif; background: #f1f5f9; color: #1f2937; line-height: 1.7; }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 16px; }

.admin-header { background: #0f172a; color: #fff; }
.admin-header .wrap { display: flex; align-items: center; gap: 20px; padding-top: 12px; padding-bottom: 12px; flex-wrap: wrap; }
.admin-header .brand { font-weight: 700; font-size: 17px; color: #fff; text-decoration: none; }
.admin-header nav { display: flex; gap: 14px; flex-wrap: wrap; }
.admin-header nav a { color: #cbd5e1; text-decoration: none; font-size: 14px; }
.admin-header nav a:hover, .admin-header nav a.active { color: #fff; }
.admin-header .right { margin-left: auto; color: #94a3b8; font-size: 13px; }
.admin-header .right a { color: #fca5a5; text-decoration: none; margin-left: 12px; }

main { padding-top: 22px; padding-bottom: 40px; }
h1.page-title { font-size: 22px; margin-bottom: 16px; }

.card { background: #fff; border: 1px solid #e2e8f0; border-radius: 10px; padding: 18px; margin-bottom: 18px; }
.card h2 { font-size: 17px; margin-bottom: 12px; }

.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; font-size: 14px; }
.flash.ok { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.flash.err { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid #e2e8f0; }
th { color: #475569; font-size: 13px; }
tr:hover td { background: #f8fafc; }

.btn { display: inline-block; padding: 7px 14px; border-radius: 7px; border: none; cursor: pointer; font-size: 14px; text-decoration: none; }
.btn-primary { background: #0f766e; color: #fff; }
.btn-primary:hover { background: #115e59; }
.btn-danger { background: #ef4444; color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-plain { background: #e2e8f0; color: #1e293b; }
.btn-sm { padding: 4px 10px; font-size: 13px; }

.form-row { margin-bottom: 14px; }
.form-row label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 5px; }
.form-row input[type=text], .form-row input[type=password], .form-row input[type=number], .form-row select, .form-row textarea {
  width: 100%; padding: 9px 12px; border: 1px solid #cbd5e1; border-radius: 7px; font-size: 14px; font-family: inherit;
}
.form-row textarea { min-height: 320px; resize: vertical; font-family: Consolas, "Microsoft YaHei", monospace; }
.form-row .hint { font-size: 12px; color: #64748b; margin-top: 4px; }
.form-inline { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.form-inline .form-row { flex: 1; min-width: 180px; margin-bottom: 0; }

.login-box { max-width: 380px; margin: 8vh auto; background: #fff; border: 1px solid #e2e8f0; border-radius: 12px; padding: 26px; }
.login-box h1 { font-size: 20px; margin-bottom: 16px; text-align: center; }
.login-box .btn { width: 100%; }

.badge { display: inline-block; background: #f1f5f9; color: #334155; border-radius: 20px; padding: 2px 10px; font-size: 12px; }
.badge-ok { background: #dcfce7; color: #166534; }
.hint-line { font-size: 12px; color: #94a3b8; margin-top: 8px; }