/* =========================================================================
   唬哈优选 · 后台主题（平台后台 / 商家后台 共用，与前台视觉独立）
   深色靛蓝侧边栏 + 浅色内容区，PC 宽屏后台布局。
   ========================================================================= */
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:#f3f5fa;color:#1f2738;font-size:14px}
a{color:inherit;text-decoration:none}

.admin{display:flex;min-height:100vh}
.sidebar{width:220px;background:#1b2440;color:#c7d0e6;flex:none}
.sidebar .brand{height:64px;display:flex;align-items:center;gap:10px;padding:0 20px;font-size:18px;font-weight:800;color:#fff;border-bottom:1px solid #2a3654}
.sidebar .brand .dot{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,#2f54eb,#5b7bff);display:flex;align-items:center;justify-content:center;color:#fff}
.sidebar nav a{display:block;padding:13px 22px;color:#c7d0e6;font-size:14px;border-left:3px solid transparent}
.sidebar nav a:hover,.sidebar nav a.on{background:#26314f;color:#fff;border-left-color:#2f54eb}

.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{height:60px;background:#fff;border-bottom:1px solid #e6eaf2;display:flex;align-items:center;justify-content:space-between;padding:0 24px}
.topbar .title{font-size:17px;font-weight:700}
.topbar .who{color:#6b7689;font-size:13px}
.topbar .who a{color:#2f54eb;margin-left:14px}

.content{padding:24px}
.page-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.page-head h2{font-size:20px}

.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.stat{background:#fff;border:1px solid #e6eaf2;border-radius:12px;padding:18px}
.stat .num{font-size:30px;font-weight:800;color:#2f54eb}
.stat .lab{color:#6b7689;margin-top:4px}

.panel{background:#fff;border:1px solid #e6eaf2;border-radius:12px;overflow:hidden}
.panel h3{padding:14px 18px;border-bottom:1px solid #e6eaf2;font-size:16px}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:12px 16px;text-align:left;border-bottom:1px solid #eef1f7;font-size:13px}
.table th{background:#f7f9fc;color:#6b7689;font-weight:600}
.badge{display:inline-block;padding:2px 10px;border-radius:20px;font-size:12px}
.badge-w{background:#fff1e6;color:#c2410c}
.badge-ok{background:#e6f7ee;color:#0a8a4f}
.badge-no{background:#fde8e8;color:#c0392b}

.btn{padding:8px 16px;border-radius:8px;border:0;cursor:pointer;font-size:13px;font-weight:600;color:#fff;background:#2f54eb}
.btn.ok{background:#0a8a4f}.btn.no{background:#c0392b}.btn.ghost{background:#fff;color:#2f54eb;border:1px solid #cdd6ea}

/* 后台登录 */
.login-wrap{height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1b2440,#2f54eb)}
.login-card{width:380px;background:#fff;border-radius:16px;padding:34px}
.login-card h2{font-size:22px;margin-bottom:6px}
.login-card p{color:#6b7689;margin-bottom:20px}
.login-card label{display:block;font-size:13px;margin:12px 0 6px;font-weight:600}
.login-card input{width:100%;border:1px solid #d9e0ee;border-radius:8px;padding:11px 13px;outline:0}
.login-card input:focus{border-color:#2f54eb}
.login-card .btn{width:100%;margin-top:20px;padding:12px}
.login-error{background:#fde8e8;color:#c0392b;padding:10px 14px;border-radius:8px;margin-bottom:14px}

/* ========= 后台扩展：工具栏 / 表单 / 分页 / 提示 ========= */
.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:14px;flex-wrap:wrap}
.toolbar .input{width:220px}
.input,.toolbar select{border:1px solid #d9e0ee;border-radius:8px;padding:9px 12px;font-size:13px;outline:0;background:#fff}
.input:focus,.toolbar select:focus{border-color:#2f54eb}
.tip{padding:10px 14px;border-radius:8px;margin-bottom:14px;font-weight:600}
.tip.ok{background:#e6f7ee;color:#0a8a4f}
.tip.no{background:#fde8e8;color:#c0392b}
.btn.sm{padding:5px 10px;font-size:12px;border-radius:6px}
.op a{color:#2f54eb;margin-right:10px;font-size:13px}
.op a.danger{color:#c0392b}
.op a.warn{color:#c2410c}
.form-card{background:#fff;border:1px solid #e6eaf2;border-radius:12px;padding:26px;max-width:780px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;margin-bottom:6px;font-size:13px;color:#3c4a66}
.field input[type=text],.field input[type=number],.field input[type=password],.field select,.field textarea{width:100%;max-width:560px;border:1px solid #d9e0ee;border-radius:8px;padding:10px 12px;font-size:14px;outline:0;background:#fff;font-family:inherit}
.field input:focus,.field select:focus,.field textarea:focus{border-color:#2f54eb}
.field textarea{min-height:110px}
.field .hint{color:#8b96ad;font-size:12px;margin-top:4px}
.field-inline{display:flex;gap:12px}
.field-inline .field{flex:1}
.form-foot{margin-top:22px;display:flex;gap:12px}
.pager{padding:10px 0 2px}
.pager .pagination{display:flex;gap:6px;justify-content:flex-end;list-style:none;margin:0}
.pager .pagination li a,.pager .pagination li span{display:block;padding:6px 12px;border:1px solid #d9e0ee;border-radius:6px;font-size:13px;color:#3c4a66;background:#fff}
.pager .pagination li.active span,.pager .pagination li.active a{background:#2f54eb;border-color:#2f54eb;color:#fff}
.pager .pagination li.disabled span{color:#b6bfd3;background:#f5f7fb}
.filter-tag{display:inline-block;background:#eef2ff;color:#2f54eb;border-radius:6px;padding:2px 8px;font-size:12px}
.empty-row{text-align:center;color:#6b7689;padding:30px}