:root{
  --blue:#1a73e8;
  --blue-dark:#1558b0;
  --blue-deep:#0b2e5c;
  --blue-grad:linear-gradient(90deg,#1a73e8,#2b8cf0);
  --green:#16a34a;
  --cyan:#0ea5e9;
  --dark:#334155;
  --line:#e6edf5;
  --bg:#f5f8fc;
  --txt:#1f2d3d;
  --muted:#7b8a9d;
  --radius:12px;
  --shadow:0 2px 14px rgba(26,115,232,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:-apple-system,"PingFang SC","Microsoft YaHei",Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--txt);font-size:14px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

/* ---------- 顶栏 ---------- */
.topbar{
  height:56px;background:var(--blue-grad);display:flex;align-items:center;
  padding:0 22px;color:#fff;position:sticky;top:0;z-index:50;
  box-shadow:0 2px 10px rgba(11,46,92,.18);
}
.brand{display:flex;align-items:center;gap:8px;font-size:17px;font-weight:600;white-space:nowrap}
.logo{font-size:22px;font-weight:800;line-height:1}
.badge-safe{
  background:rgba(255,255,255,.22);border:1px solid rgba(255,255,255,.4);
  font-size:11px;padding:1px 8px;border-radius:20px;font-weight:500;margin-left:4px;
}
.topnav{display:flex;gap:2px;margin-left:36px;flex:1;overflow-x:auto;scrollbar-width:none}
.topnav::-webkit-scrollbar{display:none}
.nav-item{
  color:rgba(255,255,255,.86);padding:6px 14px;border-radius:8px;
  cursor:pointer;white-space:nowrap;font-size:13.5px;transition:.18s;user-select:none;
}
.nav-item:hover{background:rgba(255,255,255,.15);color:#fff}
.nav-item.active{background:rgba(255,255,255,.26);color:#fff;font-weight:600}
.userbox{display:flex;align-items:center;gap:8px;font-size:13.5px;white-space:nowrap}
.userbox .dot{width:7px;height:7px;border-radius:50%;background:#4ade80;box-shadow:0 0 6px #4ade80}
.logout{color:rgba(255,255,255,.8);cursor:pointer;margin-left:6px;font-size:12.5px;
  border-left:1px solid rgba(255,255,255,.3);padding-left:10px}
.logout:hover{color:#fff;text-decoration:underline}

/* ---------- 容器 ---------- */
.container{max-width:1240px;margin:0 auto;padding:26px 20px 60px}
.view{display:none}
.view.active{display:block}
/* 不用 animation/transform 做入场：display 切换 + 合成层会让 iOS WebView 内容区留白 */
.page-title{font-size:26px;font-weight:700;margin-bottom:20px;letter-spacing:.5px}

/* ---------- 统计卡 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:22px}
.stat-card{
  background:#fff;border-radius:var(--radius);padding:24px 20px;text-align:center;
  box-shadow:var(--shadow);border:1px solid #eef3fa;transition:.2s;
}
.stat-card:hover{transform:translateY(-2px);box-shadow:0 6px 22px rgba(26,115,232,.14)}
.stat-num{font-size:38px;font-weight:700;line-height:1.2}
.stat-num.blue{color:var(--blue)}
.stat-num.green{color:var(--green)}
.stat-num.dark{color:var(--dark)}
.stat-num.cyan{color:var(--cyan)}
.stat-label{color:var(--muted);font-size:13.5px;margin-top:6px}

/* ---------- 面板 ---------- */
.panel{
  background:#fff;border-radius:var(--radius);padding:22px;
  box-shadow:var(--shadow);border:1px solid #eef3fa;
}
.panel.narrow{max-width:560px}
.panel-title{font-size:16px;font-weight:600;margin-bottom:16px}
.dist-wrap{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}

/* ---------- 表格 ---------- */
.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th{
  text-align:left;padding:11px 12px;color:#42546b;font-weight:600;
  background:#f7fafe;border-bottom:1px solid var(--line);white-space:nowrap;
}
.tbl td{padding:10px 12px;border-bottom:1px solid #f0f4f9;vertical-align:middle}
.tbl tbody tr:hover{background:#fafcff}
.dist-tbl{border:1px solid var(--line);border-radius:10px;overflow:hidden}
.tbl-wrap{overflow-x:auto;margin-top:4px}

/* ---------- 提示块 ---------- */
.tips{background:#e8f6fb;border:1px solid #b9e3f2;border-radius:10px;padding:16px 18px;font-size:13px}
.tips-title{font-weight:600;color:#0c6b8a;margin-bottom:8px}
.tips ul{margin-left:16px;color:#2a6b80}
.tips li{margin:4px 0}

/* ---------- 表单 ---------- */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px;align-items:center}
.form-row{display:flex;align-items:center;gap:14px;margin-bottom:15px}
.form-row label{width:150px;color:#42546b;font-size:13.5px;flex-shrink:0}
.inp{
  flex:1;height:38px;padding:0 12px;border:1px solid #d5e0ee;border-radius:9px;
  font-size:13.5px;color:var(--txt);background:#fff;outline:none;transition:.18s;
  font-family:inherit;min-width:0;
}
.inp:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(26,115,232,.12)}
.sel{flex:none;width:150px;cursor:pointer}
.toolbar .inp{width:220px;flex:none}

/* ---------- 按钮 ---------- */
.btn{
  height:38px;padding:0 18px;border:1px solid #d5e0ee;background:#fff;color:#42546b;
  border-radius:9px;font-size:13.5px;cursor:pointer;transition:.18s;font-family:inherit;
  white-space:nowrap;
}
.btn:hover{border-color:var(--blue);color:var(--blue);background:#f3f8ff}
.btn.primary{background:var(--blue-grad);color:#fff;border:none;box-shadow:0 2px 8px rgba(26,115,232,.3)}
.btn.primary:hover{filter:brightness(1.06);color:#fff}
.btn.warn{background:#fff7ed;color:#c2410c;border-color:#fdba74}
.btn.warn:hover{background:#ffedd5;color:#c2410c}
.btn.danger{background:#fef2f2;color:#dc2626;border-color:#fca5a5}
.btn.danger:hover{background:#fee2e2;color:#dc2626}
.btn.lg{width:100%;height:44px;font-size:15px;margin-top:8px}
.btn.sm{height:30px;padding:0 12px;font-size:12.5px}

/* ---------- 徽章 ---------- */
.pill{display:inline-block;padding:2px 10px;border-radius:20px;font-size:12px;font-weight:500}
.pill.s0{background:#eef2f7;color:#64748b}
.pill.s1{background:#dcfce7;color:#15803d}
.pill.s2{background:#fee2e2;color:#dc2626}
.pill.s3{background:#fef3c7;color:#b45309}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12.5px;letter-spacing:.3px}
.cardkey{font-weight:600;color:var(--blue-deep)}

/* ---------- 分页 ---------- */
.pager{display:flex;justify-content:space-between;align-items:center;margin-top:16px}
.pinfo{color:var(--muted);font-size:13px}
.pbtns{display:flex;align-items:center;gap:10px}
.pageno{min-width:34px;text-align:center;font-weight:600;color:var(--blue)}

/* ---------- 批量 ---------- */
.batch-actions{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.hint{color:var(--muted);font-size:13px;margin-bottom:14px}
.sep{border:none;border-top:1px solid var(--line);margin:26px 0 20px}

/* ---------- 生成结果 ---------- */
.gen-result{margin-top:18px;max-height:320px;overflow:auto;background:#0f172a;color:#7dd3fc;
  border-radius:10px;padding:16px;font-family:ui-monospace,Menlo,monospace;font-size:12.5px;
  display:none;white-space:pre-wrap;line-height:1.9}
.gen-result.show{display:block}

/* ---------- 登录 ---------- */
.mask{position:fixed;inset:0;background:rgba(11,46,92,.55);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;z-index:100}
.mask.hide{display:none}
.login-box{background:#fff;border-radius:18px;padding:38px 34px;width:360px;
  box-shadow:0 20px 60px rgba(11,46,92,.35);text-align:center}
.login-logo{font-size:44px;font-weight:800;color:var(--blue);line-height:1}
.login-box h2{font-size:19px;margin:12px 0 4px;color:var(--blue-deep)}
.login-sub{color:var(--muted);font-size:12.5px;margin-bottom:24px}
.login-box .inp{margin-bottom:12px;text-align:left}
.login-err{color:#dc2626;font-size:13px;min-height:20px;margin-top:6px}

/* ---------- Toast ---------- */
.toast{position:fixed;bottom:32px;left:50%;transform:translateX(-50%) translateY(80px);
  background:rgba(15,23,42,.92);color:#fff;padding:11px 24px;border-radius:10px;font-size:13.5px;
  opacity:0;transition:.3s;z-index:200;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media(max-width:900px){
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .dist-wrap{grid-template-columns:1fr}
  .topnav{margin-left:14px}
  .form-row{flex-direction:column;align-items:stretch}
  .form-row label{width:auto}
  .toolbar .inp,.sel{width:100%;flex:1}
}