/* 群管平台控制台样式 */
:root{
  --bg:#f4f6fb;
  --panel:#ffffff;
  --ink:#1b2430;
  --muted:#6b7684;
  --line:#e4e9f2;
  --brand:#2f6bff;
  --brand-weak:#eaf1ff;
  --ok:#12a150;
  --ok-weak:#e8f7ef;
  --warn:#c07a00;
  --warn-weak:#fff5e5;
  --danger:#e5484d;
  --danger-weak:#fdecec;
  --radius:10px;
  --shadow:0 1px 2px rgba(16,24,40,.04),0 8px 24px rgba(16,24,40,.06);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:600}
p{margin:0}

/* ---------- 登录页 ---------- */
.auth-wrap{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px;
  background:radial-gradient(1200px 600px at 10% -10%,#dfe9ff 0%,rgba(255,255,255,0) 60%),
             radial-gradient(900px 500px at 100% 0%,#e9f7ff 0%,rgba(255,255,255,0) 55%),var(--bg);}
.auth-card{width:100%;max-width:420px;background:var(--panel);border:1px solid var(--line);
  border-radius:14px;box-shadow:var(--shadow);padding:32px}
.auth-brand{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.auth-logo{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,#2f6bff,#5aa0ff);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700}
.auth-title{font-size:20px}
.auth-sub{color:var(--muted);font-size:13px;margin-bottom:20px}
.auth-tip{margin-top:16px;font-size:12px;color:var(--muted);line-height:1.7}

/* ---------- 布局 ---------- */
.layout{display:grid;grid-template-columns:232px 1fr;min-height:100vh}
.sidebar{background:#111a29;color:#cbd5e1;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{padding:20px 18px;font-weight:600;color:#fff;font-size:15px;letter-spacing:.3px;
  display:flex;align-items:center;gap:9px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand .dot{width:9px;height:9px;border-radius:50%;background:#39c27a;box-shadow:0 0 8px #39c27a}
.nav{padding:12px 10px;display:flex;flex-direction:column;gap:4px;overflow:auto}
.nav-group{margin-top:14px;padding:0 10px 6px;font-size:11px;letter-spacing:1px;color:#64748b;text-transform:uppercase}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;cursor:pointer;
  color:#c2ccda;font-size:13.5px;transition:background .15s,color .15s;user-select:none}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-item.active{background:rgba(47,107,255,.18);color:#fff;box-shadow:inset 3px 0 0 #4d84ff}
.nav-item .ico{width:18px;text-align:center;opacity:.85}
.side-foot{margin-top:auto;padding:14px 16px;border-top:1px solid rgba(255,255,255,.08);font-size:12px;color:#64748b}

.main{min-width:0;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.86);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between}
.page-title{font-size:16px;font-weight:600}
.userbox{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.avatar{width:30px;height:30px;border-radius:50%;background:var(--brand-weak);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:600;font-size:13px}
.role-tag{padding:1px 8px;border-radius:999px;background:var(--brand-weak);color:var(--brand);font-size:12px}
.role-tag.admin{background:var(--warn-weak);color:var(--warn)}

.content{padding:20px 24px 40px;display:flex;flex-direction:column;gap:16px}
.page{display:none;flex-direction:column;gap:16px}
.page.active{display:flex}

/* ---------- 卡片 ---------- */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 18px;border-bottom:1px solid var(--line)}
.card-head h3{font-size:14.5px}
.card-head .hint{font-size:12px;color:var(--muted);font-weight:400}
.card-body{padding:18px}
.card-body.tight{padding:0}

/* ---------- KPI ---------- */
.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}
.kpi{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}
.kpi .label{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px}
.kpi .value{font-size:26px;font-weight:600;margin-top:6px;font-variant-numeric:tabular-nums}
.kpi .sub{font-size:12px;color:var(--muted);margin-top:2px}
.kpi.bad .value{color:var(--danger)}

/* ---------- 表单 ---------- */
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px 16px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field.full{grid-column:1/-1}
label{font-size:12.5px;color:var(--muted)}
input:not([type]),input[type=text],input[type=password],input[type=number],select,textarea{
  width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:#fff;
  font-size:13.5px;color:var(--ink);font-family:inherit;outline:none;transition:border-color .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{border-color:#a8c2ff;box-shadow:0 0 0 3px rgba(47,107,255,.12)}
textarea{min-height:84px;resize:vertical}
input:disabled,select:disabled{background:#f7f9fc;color:#9aa4b2}
.checkline{display:flex;align-items:center;gap:8px;padding:8px 10px;border:1px solid var(--line);
  border-radius:8px;background:#fbfcfe;cursor:pointer;font-size:13px;color:var(--ink)}
.checkline input{width:15px;height:15px;accent-color:var(--brand)}
.row-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.grow{flex:1}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;border-radius:8px;
  border:1px solid transparent;background:var(--brand);color:#fff;font-size:13.5px;font-family:inherit;
  cursor:pointer;transition:filter .15s,background .15s;white-space:nowrap}
.btn:hover{filter:brightness(1.06)}
.btn:disabled{opacity:.55;cursor:not-allowed;filter:none}
.btn.ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn.ghost:hover{background:#f7f9fc}
.btn.ok{background:var(--ok)}
.btn.danger{background:var(--danger)}
.btn.sm{padding:5px 11px;font-size:12.5px;border-radius:7px}
.btn.link{background:transparent;color:var(--brand);padding:4px 6px}
.btn.link.danger{color:var(--danger)}
.btn.block{width:100%}

/* ---------- 表格 ---------- */
.table-wrap{overflow:auto;border-radius:0 0 var(--radius) var(--radius)}
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;font-weight:600;color:var(--muted);font-size:12px;letter-spacing:.4px;
  padding:11px 16px;background:#f8fafd;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:middle}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fbfcff}
td.num{font-variant-numeric:tabular-nums}
.empty{padding:36px 16px;text-align:center;color:var(--muted);font-size:13px}
.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12.5px}
.truncate{max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;padding:2px 9px;border-radius:999px;font-size:12px;
  background:#f1f4f9;color:var(--muted);white-space:nowrap}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.7}
.badge.ok{background:var(--ok-weak);color:var(--ok)}
.badge.bad{background:var(--danger-weak);color:var(--danger)}
.badge.warn{background:var(--warn-weak);color:var(--warn)}
.badge.info{background:var(--brand-weak);color:var(--brand)}
.badge.plain::before{display:none}

/* ---------- 提示条 ---------- */
.notice{display:flex;gap:10px;padding:12px 14px;border-radius:9px;font-size:12.5px;
  background:var(--brand-weak);color:#274b9c;border:1px solid #d5e3ff}
.notice.warn{background:var(--warn-weak);color:#8a5a00;border-color:#ffe3b3}
.notice.danger{background:var(--danger-weak);color:#a52a2e;border-color:#f8d3d4}

/* ---------- 模态/滑块/Toast ---------- */
.mask{position:fixed;inset:0;z-index:9000;background:rgba(15,23,42,.55);display:none;
  align-items:center;justify-content:center;padding:20px}
.mask.show{display:flex}
.modal{width:380px;max-width:100%;background:#fff;border-radius:12px;padding:22px;box-shadow:0 20px 50px rgba(0,0,0,.25);text-align:center}
.modal h3{font-size:16px;margin-bottom:6px}
.modal .tip{font-size:12.5px;color:var(--muted);margin-top:10px;min-height:18px}
.modal .tip.err{color:var(--danger)}
.captcha-box{min-height:100px;margin-top:12px;display:flex;align-items:center;justify-content:center}

.toast-wrap{position:fixed;top:16px;right:16px;z-index:9500;display:flex;flex-direction:column;gap:8px}
.toast{min-width:220px;max-width:380px;padding:11px 14px;border-radius:9px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow);font-size:13px;display:flex;gap:8px;align-items:flex-start;
  animation:toastIn .18s ease-out}
.toast .bar{width:3px;border-radius:2px;background:var(--brand);align-self:stretch}
.toast.ok .bar{background:var(--ok)}
.toast.err .bar{background:var(--danger)}
@keyframes toastIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

.loading{position:relative;pointer-events:none;opacity:.6}
.spinner{width:14px;height:14px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;
  display:inline-block;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- 响应式 ---------- */
@media (max-width:900px){
  .layout{grid-template-columns:1fr}
  .sidebar{position:relative;height:auto;flex-direction:row;align-items:center;overflow-x:auto}
  .brand{border-bottom:0;border-right:1px solid rgba(255,255,255,.08);white-space:nowrap}
  .nav{flex-direction:row;padding:8px;gap:6px}
  .nav-group{display:none}
  .side-foot{display:none}
  .nav-item{white-space:nowrap}
  .topbar{padding:0 14px}
  .content{padding:14px}
}