:root{
  --bg:#0b1020; --panel:#141b30; --panel2:#1b2440; --line:#26304f;
  --txt:#e6ecff; --muted:#8a96bd; --accent:#36cfff; --accent2:#7c5cff;
  --green:#28d29a; --red:#ff5d73; --gold:#ffce5c;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:radial-gradient(1200px 600px at 70% -10%,#16203f 0%,var(--bg) 60%);color:var(--txt);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei",Segoe UI,Roboto,sans-serif;min-height:100vh}
.hidden{display:none!important}
button{cursor:pointer;font-family:inherit}

/* 登录 */
.login-mask{position:fixed;inset:0;background:rgba(6,10,22,.92);display:flex;align-items:center;justify-content:center;z-index:50}
.login-box{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:34px 40px;text-align:center;width:340px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.login-box h2{font-size:20px;margin-bottom:4px}
.login-sub{color:var(--muted);font-size:13px;margin-bottom:22px}
.login-box input{width:100%;padding:12px 14px;background:var(--panel2);border:1px solid var(--line);border-radius:9px;color:var(--txt);font-size:15px;margin-bottom:14px;outline:none}
.login-box input:focus{border-color:var(--accent)}
.login-box button{width:100%;padding:12px;border:none;border-radius:9px;background:linear-gradient(90deg,var(--accent),var(--accent2));color:#06122b;font-weight:700;font-size:15px}
.login-err{color:var(--red);font-size:13px;margin-top:10px;min-height:16px}

/* 顶栏 */
#topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 22px;
  background:rgba(20,27,48,.85);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px}
.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent)}
.brand .title{font-weight:700;font-size:17px}
.brand .sub{color:var(--muted);font-size:12px}
.controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.datef{color:var(--muted);font-size:13px;display:flex;align-items:center;gap:4px}
.datef input{background:var(--panel2);border:1px solid var(--line);color:var(--txt);border-radius:7px;padding:6px 8px;color-scheme:dark}
.btn{padding:8px 14px;background:var(--panel2);border:1px solid var(--line);border-radius:8px;color:var(--txt);font-size:13px}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:linear-gradient(90deg,var(--accent),var(--accent2));color:#06122b;font-weight:700;border:none}
.badge{background:var(--accent2);color:#fff;border-radius:10px;padding:1px 8px;font-size:11px;margin-left:4px}

/* 账号面板 */
.acc-wrap{position:relative}
.acc-panel{position:absolute;top:42px;right:0;width:420px;max-width:92vw;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px;z-index:40;box-shadow:0 16px 40px rgba(0,0,0,.5)}
.acc-panel > input{width:100%;padding:8px 10px;background:var(--panel2);border:1px solid var(--line);border-radius:7px;color:var(--txt);margin-bottom:8px;outline:none}
.acc-actions{display:flex;gap:8px;margin-bottom:8px}
.mini{padding:4px 10px;background:var(--panel2);border:1px solid var(--line);border-radius:6px;color:var(--muted);font-size:12px}
.acc-list{max-height:300px;overflow:auto}
.acc-list label{display:flex;align-items:center;gap:8px;padding:6px 5px;font-size:13px;border-radius:6px;cursor:pointer;min-width:0}
.acc-list label input[type=checkbox]{flex-shrink:0;width:auto;height:auto;margin:0}
.acc-list label span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;flex:1}
.acc-list label:hover{background:var(--panel2)}

/* KPI */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding:18px 22px 4px}
.kpi{background:linear-gradient(160deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:12px;padding:14px 16px;position:relative;overflow:hidden}
.kpi::after{content:"";position:absolute;right:-20px;top:-20px;width:80px;height:80px;border-radius:50%;background:radial-gradient(circle,var(--accent),transparent 70%);opacity:.12}
.kpi .k-label{color:var(--muted);font-size:12px;margin-bottom:6px}
.kpi .k-val{font-size:23px;font-weight:800;letter-spacing:.5px}
.kpi .k-grow{font-size:12px;margin-top:6px}
.up{color:var(--green)} .down{color:var(--red)} .flat{color:var(--muted)}

/* 网格 */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:14px 22px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.card.span2{grid-column:span 2}
.card.span3{grid-column:span 3}
.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.card-head h3{font-size:14px;font-weight:700}
.sel{background:var(--panel2);border:1px solid var(--line);color:var(--txt);border-radius:7px;padding:5px 8px;font-size:12px}
.chart{width:100%;height:300px}
#trendChart,#compareChart{height:320px}

/* 表格 */
.table-wrap{overflow:auto;max-height:460px}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:9px 10px;text-align:right;border-bottom:1px solid var(--line);white-space:nowrap}
th:first-child,td:first-child{text-align:left;position:sticky;left:0;background:var(--panel)}
th{color:var(--muted);font-weight:600;position:sticky;top:0;background:var(--panel2);z-index:2}
td .g{font-size:11px;margin-left:4px}
.muted{color:var(--muted);font-size:12px}

/* 弹窗 / toast */
.modal{position:fixed;inset:0;background:rgba(6,10,22,.8);display:flex;align-items:center;justify-content:center;z-index:60}
.modal-box{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px;width:460px;max-width:92vw}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.modal-head h3{font-size:16px}
.x{background:none;border:none;color:var(--muted);font-size:22px;line-height:1}
.modal-box input[type=file]{width:100%;margin:12px 0;color:var(--muted)}
.import-result{margin-top:12px;font-size:13px;color:var(--accent)}
.toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);background:var(--panel2);border:1px solid var(--accent);color:var(--txt);padding:10px 18px;border-radius:10px;z-index:80;font-size:13px}

@media(max-width:1100px){.kpis{grid-template-columns:repeat(2,1fr)}.grid{grid-template-columns:1fr}.card.span2,.card.span3{grid-column:span 1}.acc-panel{width:92vw;right:0}}