*{box-sizing:border-box;margin:0;padding:0}
:root{--acc:#6c5ce7;--acc2:#3742fa;--ink:#1c2330;--mut:#8a93a3;--line:#e5e8ee;--bg:#f0f2f7}
html,body{height:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);font-size:14px}
.hidden{display:none!important}

/* ---------- 登录 ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,#232a3d,#141826 60%)}
.login-card{width:360px;background:#fff;border-radius:16px;padding:34px 32px;box-shadow:0 24px 60px rgba(10,14,30,.45)}
.login-logo{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px;margin-bottom:14px}
.login-card h2{font-size:19px}
.login-sub{color:var(--mut);font-size:12px;margin:4px 0 18px}
.login-card label{font-size:12px;font-weight:600;display:block;margin:12px 0 5px}
.login-card input{width:100%;border:1px solid #d9dee7;border-radius:8px;padding:10px 12px;font-size:14px}
.login-err{color:#e5484d;font-size:12px;margin-top:10px;min-height:16px}

/* ---------- 布局 ---------- */
.app{display:grid;grid-template-columns:216px 1fr;min-height:100vh}
.side{background:#171c29;color:#c6ccd9;display:flex;flex-direction:column;padding:18px 12px}
.brand{display:flex;gap:10px;align-items:center;padding:4px 8px 16px}
.brand .logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.brand b{color:#fff;font-size:15px;display:block}
.brand span{font-size:11px;color:#7c869a}
nav{flex:1;display:flex;flex-direction:column;gap:2px;margin-top:8px}
nav a{color:#c6ccd9;text-decoration:none;padding:9px 12px;border-radius:8px;font-size:13.5px}
nav a:hover{background:#232a3d}
nav a.on{background:linear-gradient(135deg,rgba(108,92,231,.35),rgba(55,66,250,.35));color:#fff;font-weight:600}
.side-foot{padding:10px 8px 0;font-size:12px;color:#7c869a;border-top:1px solid #232a3d}
.side-foot a{color:#9aa5c0;text-decoration:none}
.main{padding:22px 28px;overflow-x:hidden}
.main-head{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.main-head h1{font-size:20px;flex:1}
#siteSel{border:1px solid var(--line);border-radius:8px;padding:7px 10px;font-size:13px;background:#fff}

/* ---------- 通用组件 ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin-bottom:16px}
.card h3{font-size:14px;margin-bottom:12px}
.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:1fr 1fr}
@media(max-width:1100px){.g4{grid-template-columns:1fr 1fr}}
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;color:var(--mut);font-weight:600;font-size:12px;padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:9px 10px;border-bottom:1px solid #f0f2f6;vertical-align:top}
tr:last-child td{border-bottom:none}
tr.click{cursor:pointer}tr.click:hover td{background:#f8f9fc}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}
.muted{color:var(--mut)}
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11.5px;font-weight:600;white-space:nowrap}
.b-NORMAL{background:#eef1f5;color:#5c6575}
.b-WATCHING{background:#e8f0fd;color:#2b6de0}
.b-SUSPECTED{background:#fdf1e2;color:#c47b12}
.b-CONFIRMED{background:#fdeaea;color:#d33b40}
.b-L0{background:#e9f9f0;color:#1f9d5c}.b-L1{background:#eef4fd;color:#3a72d8}
.b-L2{background:#fdf1e2;color:#c47b12}.b-L3{background:#fdeaea;color:#d33b40}.b-L4{background:#2b1c1e;color:#ffb3b6}
.b-tag{background:#f1eefe;color:#6c5ce7}
.kpi{display:flex;flex-direction:column;gap:4px}
.kpi .v{font-size:26px;font-weight:700}
.kpi .l{font-size:12px;color:var(--mut)}
.kpi .d{font-size:11px;color:#1f9d5c}
.btn{border:none;border-radius:8px;padding:9px 16px;font-size:13px;font-weight:600;cursor:pointer}
.btn.primary{background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff}
.btn.ghost{background:#fff;border:1px solid var(--line);color:var(--ink)}
.btn.danger{background:#fdeaea;color:#d33b40}
.btn.block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}
input,select{font-family:inherit}
.frow{display:flex;gap:10px;margin:10px 0;flex-wrap:wrap}
.frow input,.frow select{border:1px solid #d9dee7;border-radius:8px;padding:9px 11px;font-size:13px}
.frow input{flex:1;min-width:140px}
.note{font-size:12px;color:var(--mut);line-height:1.7}
.bars{display:flex;flex-direction:column;gap:8px}
.bars .row{display:grid;grid-template-columns:44px 1fr 60px;align-items:center;gap:10px;font-size:12px}
.bars .track{height:8px;background:#eef1f5;border-radius:4px;overflow:hidden}
.bars .fill{height:100%;border-radius:4px}
.empty{padding:26px;text-align:center;color:var(--mut);font-size:13px}
.spark{width:100%;height:110px}
.code{background:#171c29;color:#d6e2ff;border-radius:10px;padding:14px 16px;font-family:ui-monospace,Menlo,monospace;font-size:12px;line-height:1.8;overflow-x:auto;white-space:pre}
.toast{position:fixed;bottom:24px;right:24px;background:#1c2330;color:#fff;padding:12px 18px;border-radius:10px;font-size:13px;box-shadow:0 10px 30px rgba(0,0,0,.25);opacity:0;transition:opacity .3s;z-index:99}
.toast.show{opacity:1}
.tag-list{display:flex;gap:6px;flex-wrap:wrap}