/* ===== 小白社区 · 后台样式 ===== */
:root{
  --pri:#4F6BFF; --pri2:#8B5CF6; --txt:#1f2430; --sub:#8a90a2;
  --line:#e9ebf2; --bg:#f4f5f9; --danger:#ff5252; --shadow:0 4px 18px rgba(30,40,90,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--txt);font-size:15px;line-height:1.7;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",system-ui,sans-serif}
a{color:var(--pri);text-decoration:none}
a:hover{opacity:.85}
.muted{color:var(--sub);font-size:13px}
.nowrap{white-space:nowrap}
.empty{background:#fff;border-radius:12px;padding:40px;text-align:center;color:var(--sub)}

.admin-body{display:flex;min-height:100vh}
.admin-side{width:210px;flex:0 0 210px;background:#131a2c;color:#fff;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.admin-logo{padding:20px 18px 16px;border-bottom:1px solid rgba(255,255,255,.08)}
.admin-logo a{display:block;color:#fff;font-size:17px;font-weight:700}
.admin-logo span{font-size:11.5px;color:rgba(255,255,255,.5)}
.admin-side nav{flex:1;padding:12px 10px;overflow-y:auto}
.admin-side nav a{display:flex;align-items:center;gap:8px;color:#c2c9dd;padding:10px 14px;border-radius:9px;font-size:14px;margin-bottom:3px}
.admin-side nav a.on,.admin-side nav a:hover{background:rgba(255,255,255,.1);color:#fff}
.admin-side nav .dot{font-style:normal;background:var(--danger);color:#fff;font-size:11px;border-radius:9px;padding:0 7px;margin-left:auto}
.admin-side-foot{padding:12px 16px 18px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-direction:column;gap:8px}
.admin-side-foot a{color:#8e97b3;font-size:13.5px}

.admin-main{flex:1;min-width:0;padding:22px 26px 40px}
.admin-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;flex-wrap:wrap;gap:12px}
.admin-top h1{margin:0;font-size:21px}
.admin-top-right{display:flex;align-items:center;gap:12px;font-size:14px;color:#5c6377}

.flash{background:#e8f7ee;color:#12784a;border:1px solid #c9eeda;padding:10px 16px;border-radius:10px;margin-bottom:16px;font-size:14px}
.alert{background:#ffefef;color:#c0392b;border:1px solid #ffd9d9;padding:10px 16px;border-radius:10px;margin-bottom:16px;font-size:14px}

/* 卡片 & 统计 */
.card{background:#fff;border-radius:14px;box-shadow:var(--shadow);padding:18px;margin-bottom:18px}
.card-title{margin:0 0 14px;font-size:16px}
.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;margin-bottom:18px}
.stat{background:#fff;border-radius:14px;box-shadow:var(--shadow);padding:18px}
.stat b{display:block;font-size:26px;color:var(--pri);line-height:1.2}
.stat span{font-size:13px;color:var(--sub)}

/* 表格 */
.tbl{width:100%;border-collapse:collapse}
.tbl th{text-align:left;font-size:13px;color:var(--sub);font-weight:600;padding:11px 12px;background:#f8f9fd;white-space:nowrap}
.tbl td{padding:12px;border-top:1px solid var(--line);font-size:14px;vertical-align:middle}
.tbl tr:hover td{background:#fafbff}
.tbl .mini-img{width:54px;height:40px;object-fit:cover;border-radius:6px}

/* 按钮 */
.btn{display:inline-block;border:0;border-radius:9px;padding:8px 16px;font-size:14px;cursor:pointer;
  background:#eef1ff;color:var(--pri);text-align:center;font-weight:500}
.btn.primary{background:linear-gradient(100deg,var(--pri),var(--pri2));color:#fff}
.btn.ghost{background:#f3f4f9;color:#4a5164}
.btn.danger{background:#ffeded;color:var(--danger)}
.btn.sm{padding:5px 11px;font-size:13px}
.btn.block{display:block;width:100%;padding:11px}
.btn:hover{opacity:.92}

/* 标签 */
.tag-ok{background:#e8f7ee;color:#12784a;border-radius:6px;padding:2px 8px;font-size:12.5px;white-space:nowrap}
.tag-wait{background:#fff3e0;color:#e67e22;border-radius:6px;padding:2px 8px;font-size:12.5px;white-space:nowrap}
.tag-top{background:#eef1ff;color:var(--pri);border-radius:6px;padding:2px 8px;font-size:12.5px;white-space:nowrap}
.tag-red{background:#ffeded;color:var(--danger);border-radius:6px;padding:2px 8px;font-size:12.5px;white-space:nowrap}

/* 表单 */
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:13.5px;color:#5c6377;margin-bottom:6px}
.form-row input[type=text],.form-row input[type=password],.form-row input[type=number],
.form-row select,.form-row textarea{
  width:100%;border:1px solid var(--line);background:#fafbff;border-radius:10px;padding:10px 13px;
  font-size:14.5px;font-family:inherit;outline:none;color:var(--txt)}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{border-color:var(--pri);background:#fff}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.form-tip{font-size:12.5px;color:var(--sub);margin-top:5px}

/* 行内表单 */
form.inline{display:inline-block;margin:0 4px 4px 0}
form.inline button{margin:0}

/* 筛选条 */
.filter{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.filter input[type=text]{border:1px solid var(--line);border-radius:9px;padding:9px 13px;font-size:14px;outline:none;min-width:200px}
.filter select{border:1px solid var(--line);border-radius:9px;padding:9px 13px;font-size:14px;outline:none;background:#fff}

/* 分页 */
.pager{display:flex;gap:8px;justify-content:center;margin-top:18px;flex-wrap:wrap}
.pager a,.pager span{background:#fff;border-radius:8px;padding:7px 13px;font-size:14px;color:#4a5164;box-shadow:var(--shadow)}
.pager .cur{background:linear-gradient(100deg,var(--pri),var(--pri2));color:#fff}

/* 登录页 */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;
  background:linear-gradient(135deg,#4F6BFF,#8B5CF6)}
.login-box{width:100%;max-width:380px;background:#fff;border-radius:16px;padding:30px;box-shadow:0 20px 50px rgba(0,0,0,.2);margin:20px}
.login-box h1{margin:0 0 6px;font-size:21px;text-align:center}
.login-box .sub{text-align:center;color:var(--sub);font-size:13.5px;margin-bottom:20px}

@media (max-width:800px){
  .admin-body{flex-direction:column}
  .admin-side{width:auto;flex:none;height:auto;position:static}
  .admin-logo{display:block;padding:14px 16px 10px;border-bottom:0}
  .admin-logo a{font-size:16px}
  .admin-side nav{
    display:grid;grid-template-columns:repeat(3,1fr);gap:8px;
    overflow:visible;padding:10px 12px 14px;
  }
  .admin-side nav a{
    margin:0;padding:11px 6px;justify-content:center;text-align:center;
    font-size:13px;background:rgba(255,255,255,.08);border-radius:9px;
  }
  .admin-side nav a.on{background:linear-gradient(100deg,#4F6BFF,#8B5CF6);color:#fff}
  .admin-side nav .dot{margin-left:5px;padding:0 6px;font-size:10.5px}
  .admin-side-foot{flex-direction:row;justify-content:space-between;padding:10px 16px 16px}
  .admin-main{padding:14px}
  .admin-top h1{font-size:18px}
  .admin-top-right{font-size:13px}
  .form-grid,.form-grid-3{grid-template-columns:1fr;gap:0}
  /* 表格在手机上可以左右滑动查看 */
  .card{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .tbl{min-width:640px}
  .filter{gap:8px}
  .filter input[type=text],.filter select{min-width:0;flex:1 1 45%}
  .filter > input[type=number]{flex:0 0 84px}
  .stats{grid-template-columns:repeat(2,1fr)!important;gap:10px}
  .stat{padding:14px}
  .stat b{font-size:22px}
  .pager{padding-bottom:6px}
}
@media (max-width:430px){
  .admin-side nav{grid-template-columns:repeat(2,1fr)}
  .filter input[type=text],.filter select{flex:1 1 100%}
}

/* v2 补充 */
.tip-list{margin:0;padding-left:18px;font-size:13.5px;color:#5c6377;line-height:2}
.tip-list b{color:#2a3040}

/* ===== 授权中心主题色（青绿） ===== */
.admin-side{background:#0f2733}
.admin-side nav a.on{background:linear-gradient(100deg,#13c2c2,#1890ff)}
.btn.primary{background:linear-gradient(100deg,#13c2c2,#1890ff)}
.login-body{background:linear-gradient(135deg,#13c2c2,#4F6BFF)}
.pager .cur{background:linear-gradient(100deg,#13c2c2,#1890ff)}
.stat b{color:#13c2c2}
.tag-ok{background:#e6fffb;color:#08979c}
.tag-red{background:#fff1f0;color:#cf1322}
.tag-wait{background:#fff7e6;color:#d46b08}
.code{font-family:monospace;font-size:15px;color:#13c2c2;font-weight:700;letter-spacing:1px}