:root{
  --bg:#14161a; --panel:#1c2026; --panel2:#22272e; --line:#2c3139;
  --text:#e6e8eb; --dim:#9aa0a9; --faint:#666c76;
  --accent:#4c8dff; --accent2:#2f4a7a; --good:#3fc17a; --warn:#e5a53c; --bad:#e55c5c;
  --radius:14px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);user-select:none;
  font-family:system-ui,-apple-system,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased}
.hidden{display:none!important}
.muted{color:var(--dim)}.tiny{font-size:12px}
h1{font-size:22px;margin:0;font-weight:700}
button{font-family:inherit}

/* ---------------- 登录 ---------------- */
.login-wrap{min-height:100%;display:grid;place-items:center;padding:24px;
  background:radial-gradient(1200px 600px at 50% 0%,#16233a 0%,var(--bg) 60%)}
.login-card{width:100%;max-width:380px;background:var(--panel);border-radius:18px;
  padding:28px 26px 22px;box-shadow:0 24px 60px rgba(0,0,0,.45)}
.brand-row{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.dot{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 14px rgba(76,141,255,.8);flex:0 0 auto}
.fl{display:block;margin:18px 0 7px;font-size:13px;color:var(--dim)}
input,textarea,select{user-select:text;-webkit-user-select:text}
input,select{width:100%;height:46px;padding:0 14px;border-radius:12px;border:1px solid var(--line);
  background:var(--panel2);color:var(--text);font-size:15px;outline:none;font-family:inherit}
input:focus,select:focus{border-color:#3d5a8c}
.btn{height:42px;padding:0 18px;border:0;border-radius:12px;background:var(--panel2);
  color:var(--text);font-size:15px;cursor:pointer;transition:.15s}
.btn:active{transform:scale(.985)}
.btn.primary{background:var(--accent);color:#fff;font-weight:600}
.btn.block{width:100%;height:48px;margin-top:20px;font-size:16px}
.btn.sm{height:34px;padding:0 12px;font-size:13px;border-radius:10px}
.err{color:var(--bad);font-size:13px;min-height:18px;margin-top:10px}

/* ---------------- 主结构 ---------------- */
#app{display:flex;flex-direction:column;height:100vh;height:100dvh}
.topbar{flex:0 0 auto;display:flex;align-items:center;gap:12px;padding:14px 18px;
  border-bottom:1px solid var(--line);background:var(--panel)}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:16px;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.spacer{flex:1}
.month{width:150px;height:38px;font-size:14px;border-radius:10px}
.user-btn{color:var(--dim);font-size:14px;height:38px;max-width:180px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.ghost{background:transparent;border:0;color:var(--dim);font-size:18px;cursor:pointer;padding:6px 10px;border-radius:10px}
.ghost:hover{background:var(--panel2);color:var(--text)}

.nav{flex:0 0 auto;display:flex;gap:6px;padding:10px 14px;overflow-x:auto;
  background:var(--panel);border-bottom:1px solid var(--line);scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav button{flex:0 0 auto;height:36px;padding:0 14px;border:0;border-radius:10px;
  background:transparent;color:var(--dim);font-size:14px;cursor:pointer;white-space:nowrap}
.nav button.on{background:var(--accent2);color:#fff;font-weight:600}

.view{flex:1;overflow:auto;padding:16px 18px 28px;-webkit-overflow-scrolling:touch}

/* ---------------- 卡片 / KPI ---------------- */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:14px}
.kpi{background:var(--panel);border-radius:var(--radius);padding:14px 16px}
.kpi .cap{font-size:12px;color:var(--faint);margin-bottom:6px}
.kpi .val{font-size:22px;font-weight:700;letter-spacing:.3px}
.kpi .sub{font-size:12px;color:var(--faint);margin-top:6px}
.kpi.good .val{color:var(--good)}.kpi.bad .val{color:var(--bad)}

.card{background:var(--panel);border-radius:var(--radius);padding:14px 16px;margin-bottom:14px}
.card h3{margin:0 0 10px;font-size:14px;color:var(--dim);font-weight:600}

.chart{width:100%;height:180px;display:block}
.bars{display:flex;align-items:flex-end;gap:4px;height:150px}
.bars div{flex:1;background:linear-gradient(180deg,#6fa8ff,#3564c8);border-radius:4px 4px 0 0;min-height:2px}

/* ---------------- 表格 ---------------- */
.toolbar{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.toolbar .sum{color:var(--dim);font-size:13px;margin-left:auto}
.table-wrap{background:var(--panel);border-radius:var(--radius);overflow:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:10px 12px;text-align:left;white-space:nowrap;border-bottom:1px solid var(--line)}
th{color:var(--faint);font-weight:600;font-size:12.5px;background:var(--panel2);position:sticky;top:0}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
tr:last-child td{border-bottom:0}
tbody tr:hover{background:#1f242b}
.row-act{display:flex;gap:6px}
.icon-btn{border:0;background:transparent;color:var(--faint);cursor:pointer;font-size:14px;padding:4px 6px;border-radius:8px}
.icon-btn:hover{background:var(--panel2);color:var(--text)}
.empty{padding:36px;text-align:center;color:var(--faint);font-size:14px}

/* ---------------- 弹窗 ---------------- */
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.55);display:grid;place-items:center;padding:18px;z-index:50}
.modal{width:100%;max-width:440px;max-height:86vh;display:flex;flex-direction:column;
  background:var(--panel);border-radius:18px;overflow:hidden;box-shadow:0 24px 70px rgba(0,0,0,.5)}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line);font-weight:600}
.modal-body{padding:16px 18px;overflow:auto}
.modal-body .fl{margin-top:12px}
.modal-body .fl:first-child{margin-top:0}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:14px 18px;border-top:1px solid var(--line)}

.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:var(--panel2);
  color:var(--text);padding:10px 18px;border-radius:12px;font-size:14px;z-index:60;box-shadow:0 8px 24px rgba(0,0,0,.4)}
.toast.bad{background:#3a2024;color:#ffb4b4}

/* ---------------- 手机 ---------------- */
@media (max-width:760px){
  .kpis{grid-template-columns:repeat(2,1fr)}
  .view{padding:12px 12px 90px}
  .nav{position:fixed;left:0;right:0;bottom:0;top:auto;z-index:20;
    border-top:1px solid var(--line);border-bottom:0;padding:8px 10px calc(8px + env(safe-area-inset-bottom))}
  .nav button{height:40px;font-size:13px}
  .topbar{padding:12px 14px}
  .month{width:132px}
  h1{font-size:19px}
  .chart{height:150px}
  .brand{font-size:15px;max-width:38%}
  .user-btn{max-width:88px}
}