:root{
  --bg:#0b0f14; --bg2:#111821; --line:#1e2a36; --txt:#e6edf5; --dim:#8fa3b8;
  --acc:#22d3ee; --acc2:#0ea5b7; --ok:#22c55e; --warn:#f59e0b; --danger:#ef4444;
  --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(34,211,238,.10), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(99,102,241,.10), transparent 55%),
    var(--bg);
  color:var(--txt);
  font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--acc);text-decoration:none}
code,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
h1,h2{margin:0}
hr{border:0;border-top:1px solid var(--line);margin:18px 0}

/* ---------- 登录/安装 ---------- */
.auth-body{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.auth-wrap{width:100%;max-width:430px}
.auth-card{
  background:linear-gradient(180deg,rgba(23,32,44,.92),rgba(15,21,29,.92));
  border:1px solid var(--line);border-radius:20px;padding:30px;
  box-shadow:0 30px 80px -30px #000,0 0 0 1px rgba(34,211,238,.06) inset;
}
.brand{display:flex;gap:12px;align-items:center;margin-bottom:22px}
.brand .logo{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--acc),#6366f1);color:#04141a;font-weight:800;font-size:19px;
  box-shadow:0 8px 24px -8px var(--acc);
}
.brand b{display:block;font-size:16px;letter-spacing:.3px}
.brand small{color:var(--dim);font-size:12px}

/* ---------- 表单 ---------- */
label{display:block;margin-bottom:14px;color:var(--dim);font-size:13px}
input,select,textarea{
  width:100%;margin-top:6px;padding:11px 13px;border-radius:11px;
  background:#0c131b;border:1px solid var(--line);color:var(--txt);
  font:inherit;outline:none;transition:.15s;
}
input:focus,select:focus,textarea:focus{border-color:var(--acc);box-shadow:0 0 0 3px rgba(34,211,238,.12)}
input.mini{width:90px;padding:7px 9px;margin:0}
input.mini.wide{width:140px}
label.chk{display:flex;align-items:center;gap:8px;color:var(--txt)}
label.chk input{width:auto;margin:0}
.stack label{margin-bottom:16px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:600px){.grid2{grid-template-columns:1fr}}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:10px 18px;border-radius:11px;border:1px solid var(--line);
  background:#16202b;color:var(--txt);font:inherit;cursor:pointer;transition:.15s;
}
.btn:hover{border-color:#2c3d4f;transform:translateY(-1px)}
.btn.primary{background:linear-gradient(135deg,var(--acc),var(--acc2));color:#03151a;border:0;font-weight:700}
.btn.primary:hover{box-shadow:0 10px 26px -12px var(--acc)}
.btn.danger{color:#ffd7d7;border-color:#3a1f24;background:#2a1418}
.btn.ghost{background:transparent}
.btn.sm{padding:7px 12px;font-size:13px;border-radius:9px}
.btn.block{width:100%;margin-top:6px}

/* ---------- 提示 ---------- */
.alert{padding:12px 14px;border-radius:11px;margin:0 0 18px;font-size:13px}
.alert.ok{background:rgba(34,197,94,.10);border:1px solid rgba(34,197,94,.35);color:#b8f5cd}
.alert.danger{background:rgba(239,68,68,.10);border:1px solid rgba(239,68,68,.35);color:#ffc9c9}
.alert.warn{background:rgba(245,158,11,.10);border:1px solid rgba(245,158,11,.35);color:#ffe3b0}
.hint{color:var(--dim);font-size:12.5px;margin:10px 0 0}

/* ---------- 布局 ---------- */
.side{
  position:fixed;inset:0 auto 0 0;width:224px;padding:22px 14px;
  background:linear-gradient(180deg,#0d141c,#0a0f15);border-right:1px solid var(--line);
  display:flex;flex-direction:column;
}
.side nav{display:flex;flex-direction:column;gap:3px;margin-top:6px;flex:1}
.nav-item{
  display:flex;gap:10px;align-items:center;padding:10px 12px;border-radius:10px;
  color:#a8bccd;font-size:13.5px;transition:.15s;
}
.nav-item i{font-style:normal;width:18px;text-align:center;opacity:.85}
.nav-item:hover{background:#131d27;color:#fff}
.nav-item.active{background:linear-gradient(90deg,rgba(34,211,238,.16),transparent);color:var(--acc);font-weight:600}
.side-foot{border-top:1px solid var(--line);padding-top:10px}
.side-foot small{display:block;color:#5b6d7f;font-size:11px;padding:8px 12px 0}

.main{margin-left:224px;padding:26px 30px 60px;max-width:1240px}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
.topbar h1{font-size:21px;letter-spacing:.5px}
.who{color:var(--dim);font-size:13px;padding:6px 13px;border:1px solid var(--line);border-radius:99px}

@media(max-width:820px){
  .side{position:static;width:auto;flex-direction:row;align-items:center;overflow-x:auto;padding:12px}
  .side .brand{display:none}
  .side nav{flex-direction:row;margin:0}
  .side-foot{border:0;padding:0}
  .main{margin:0;padding:18px 16px 60px}
}

/* ---------- 卡片/统计 ---------- */
.cards4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}
@media(max-width:1050px){.cards4{grid-template-columns:repeat(2,1fr)}}
.stat{
  background:linear-gradient(180deg,rgba(23,32,44,.9),rgba(14,20,28,.9));
  border:1px solid var(--line);border-radius:var(--radius);padding:18px;
}
.stat small{color:var(--dim);font-size:12px;letter-spacing:.5px}
.stat b{display:block;font-size:27px;margin:6px 0 2px;letter-spacing:.5px}
.stat em{color:#687d90;font-style:normal;font-size:11.5px}

.panel{
  background:linear-gradient(180deg,rgba(19,27,37,.75),rgba(12,18,25,.75));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;margin-bottom:18px;
}
.panel h2{font-size:15px;margin-bottom:14px;letter-spacing:.4px;display:flex;gap:10px;align-items:baseline}

.kv{display:flex;justify-content:space-between;gap:16px;padding:9px 0;border-bottom:1px dashed #17222d;font-size:13px}
.kv:last-child{border-bottom:0}
.kv span{color:var(--dim)}

/* ---------- 表格 ---------- */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:11px}
table{width:100%;border-collapse:collapse;font-size:13px}
th{
  text-align:left;padding:11px 13px;background:#0f1720;color:#8fa3b8;
  font-weight:600;font-size:12px;white-space:nowrap;border-bottom:1px solid var(--line);
}
td{padding:11px 13px;border-bottom:1px solid #131d26;vertical-align:middle}
tbody tr:hover td{background:#101a23}
tbody tr:last-child td{border-bottom:0}
.ell{max-width:190px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.muted{color:var(--dim)}
.center{text-align:center}
.tag{display:inline-block;padding:2px 9px;border-radius:99px;font-size:11.5px;background:#16222d;color:#9fb6c9}
.tag.green{background:rgba(34,197,94,.14);color:#7ee2a5}
.tag.red{background:rgba(239,68,68,.14);color:#ffa6a6}
.tag.orange{background:rgba(245,158,11,.14);color:#ffd18a}
.tag.gray{background:#182430;color:#8fa3b8}

/* ---------- 工具条 ---------- */
.inline-form{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end;margin-bottom:16px}
.inline-form label{margin:0;min-width:110px}
.bulkbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:12px}
.bulkbar input.mini{width:76px}
.pager{display:flex;gap:6px;margin-top:16px;flex-wrap:wrap}
.pager a{
  min-width:34px;height:34px;display:grid;place-items:center;border-radius:9px;
  border:1px solid var(--line);color:#a8bccd;font-size:13px;
}
.pager a.cur{background:var(--acc);color:#03151a;border-color:var(--acc);font-weight:700}