/* ============================================================
   抓时商城 - 后台样式（商家中心 / 平台后台）
   灰白 + 蓝色调，简洁专业
   ============================================================ */
* { box-sizing: border-box; }
body { margin: 0; font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; background: #f0f2f5; color: #333; font-size: 14px; }
a { text-decoration: none; color: inherit; }
table { border-collapse: collapse; }

/* 顶栏 */
.adm_header { height: 56px; background: #2b4b6f; color: #fff; display: flex; align-items: center; padding: 0 24px; justify-content: space-between; }
.adm_header .brand { font-size: 17px; letter-spacing: 1px; }
.adm_header .brand i { margin-right: 8px; color: #4aa3ff; }
.adm_header .who { font-size: 13px; color: #c9d8e8; }
.adm_header .who a { color: #fff; margin-left: 14px; }
.adm_header .who a:hover { color: #4aa3ff; }

/* 布局 */
.adm_layout { display: flex; min-height: calc(100vh - 56px); }
.adm_side { width: 208px; background: #fff; border-right: 1px solid #e8e8e8; padding: 12px 0; flex-shrink: 0; }
.adm_side .nav_group { font-size: 12px; color: #9aa5b1; padding: 12px 22px 6px; }
.adm_side a.nav_item { display: block; padding: 11px 22px; font-size: 14px; color: #4a5568; border-left: 3px solid transparent; }
.adm_side a.nav_item i { width: 18px; display: inline-block; color: #8a96a3; }
.adm_side a.nav_item:hover { background: #f5f8fc; color: #2b6cb0; }
.adm_side a.nav_item.on { background: #eaf3ff; color: #2b6cb0; border-left-color: #2b6cb0; font-weight: bold; }
.adm_side a.nav_item.on i { color: #2b6cb0; }
.adm_main { flex: 1; padding: 20px 24px; overflow-x: auto; }

/* 面包屑/标题 */
.adm_crumb { font-size: 13px; color: #8a96a3; margin-bottom: 16px; }
.adm_crumb b { color: #333; font-weight: 400; }
.page_head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.page_head h2 { font-size: 18px; font-weight: 400; margin: 0; }

/* 卡片 */
.card { background: #fff; border-radius: 6px; padding: 18px 20px; box-shadow: 0 1px 3px rgba(0,0,0,.04); margin-bottom: 16px; }
.card h3 { font-size: 15px; font-weight: 400; margin: 0 0 14px; padding-bottom: 12px; border-bottom: 1px solid #f0f2f5; }

/* 统计卡 */
.stat_row { display: flex; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.stat_box { flex: 1; min-width: 136px; background: #fff; border-radius: 6px; padding: 16px 16px; box-shadow: 0 1px 3px rgba(0,0,0,.04); }
.stat_box .lbl { font-size: 13px; color: #8a96a3; margin-bottom: 8px; white-space: nowrap; }
.stat_box .num { font-size: 24px; color: #2b6cb0; font-weight: bold; }
.stat_box .num.red { color: #7B3FD4; }
.stat_box .num.green { color: #2f9e44; }

/* 表格 */
.adm_table { width: 100%; background: #fff; }
.adm_table th { background: #f7f9fc; padding: 11px 12px; font-size: 13px; color: #5a6673; text-align: left; border-bottom: 1px solid #e8edf3; white-space: nowrap; }
.adm_table td { padding: 11px 12px; border-bottom: 1px solid #f0f2f5; font-size: 13px; vertical-align: middle; }
.adm_table tr:hover td { background: #fafcfe; }
.adm_table img.thumb { width: 46px; height: 46px; object-fit: cover; border: 1px solid #eee; border-radius: 3px; }
.adm_table .ops a { color: #2b6cb0; margin-right: 10px; }
.adm_table .ops a.del { color: #7B3FD4; }
.adm_table .ops a:hover { text-decoration: underline; }

/* 徽章 */
.badge { display: inline-block; padding: 2px 9px; border-radius: 10px; font-size: 12px; }
.badge.gray { background: #eef1f4; color: #7a8694; }
.badge.blue { background: #e8f2ff; color: #2b6cb0; }
.badge.green { background: #e9f8ef; color: #2f9e44; }
.badge.red { background: #fdecec; color: #7B3FD4; }
.badge.orange { background: #fff5e6; color: #d68910; }

/* 按钮 */
.btn { display: inline-block; padding: 8px 18px; border: none; background: #2b6cb0; color: #fff; font-size: 13px; border-radius: 4px; cursor: pointer; }
.btn:hover { background: #23578f; }
.btn.gray { background: #f2f4f7; color: #5a6673; border: 1px solid #dfe4ea; }
.btn.gray:hover { background: #e8ebef; }
.btn.red { background: #7B3FD4; }
.btn.red:hover { background: #c9302c; }
.btn.green { background: #2f9e44; }
.btn.sm { padding: 5px 12px; font-size: 12px; }
.btn.block { display: block; width: 100%; text-align: center; }

/* 表单 */
.f_row { margin-bottom: 16px; }
.f_row label { display: block; font-size: 13px; color: #5a6673; margin-bottom: 6px; }
.f_row .hint { font-size: 12px; color: #9aa5b1; margin-top: 4px; }
.f_row input[type=text], .f_row input[type=password], .f_row input[type=number], .f_row select {
    border: 1px solid #dfe4ea; padding: 8px 11px; font-size: 13px; border-radius: 4px; width: 340px; max-width: 100%;
}
.f_row textarea { border: 1px solid #dfe4ea; padding: 9px 11px; font-size: 13px; border-radius: 4px; width: 100%; min-height: 110px; }
.f_row input:focus, .f_row select:focus, .f_row textarea:focus { border-color: #2b6cb0; outline: none; }
.f_row input[type=checkbox], .f_row input[type=radio] { width: auto; }

/* 筛选条 */
.filter_bar { background: #fff; padding: 14px 18px; border-radius: 6px; margin-bottom: 16px; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.filter_bar input, .filter_bar select { border: 1px solid #dfe4ea; padding: 7px 10px; font-size: 13px; border-radius: 4px; }

/* 分页 */
.adm_pager { padding: 16px 0 0; text-align: right; }
.adm_pager a { display: inline-block; padding: 5px 11px; border: 1px solid #dfe4ea; margin-left: 4px; border-radius: 3px; font-size: 13px; color: #5a6673; background: #fff; }
.adm_pager a.on { background: #2b6cb0; border-color: #2b6cb0; color: #fff; }

/* 提示 */
.adm_flash { padding: 11px 16px; border-radius: 4px; margin-bottom: 16px; font-size: 13px; background: #e9f8ef; color: #2f9e44; border: 1px solid #c8ebd4; }
.adm_flash.error { background: #fdecec; color: #7B3FD4; border-color: #f5c6c6; }
.empty_tip { text-align: center; color: #9aa5b1; padding: 50px 0; }

/* 登录页 */
.adm_login_wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg,#2b4b6f,#1d3550); }
.adm_login { width: 380px; background: #fff; border-radius: 8px; padding: 38px 40px; box-shadow: 0 12px 40px rgba(0,0,0,.25); }
.adm_login h1 { font-size: 20px; text-align: center; font-weight: 400; margin: 0 0 6px; color: #2b4b6f; }
.adm_login .sub { text-align: center; color: #9aa5b1; font-size: 13px; margin-bottom: 26px; }
.adm_login .f_row input { width: 100%; }
.adm_login .btn { width: 100%; padding: 11px; font-size: 15px; }
.adm_login .demo { margin-top: 16px; font-size: 12px; color: #9aa5b1; text-align: center; line-height: 1.9; }

/* 商品图片上传（本地选图） */
.img_picker { display: flex; align-items: center; gap: 12px; }
.img_picker .prev { width: 90px; height: 90px; border: 1px dashed #dfe4ea; border-radius: 4px; display: flex; align-items: center; justify-content: center; color: #c0c8d0; font-size: 22px; overflow: hidden; }
.img_picker .prev img { width: 100%; height: 100%; object-fit: cover; }