:root{
  --bg:#f6f7f9; --card:#fff; --ink:#111827; --muted:#6b7280;
  --line:#e5e7eb; --blue:#2563eb; --ok:#059669; --warn:#d97706;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink);
  font:15px/1.5 -apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
  padding-bottom:env(safe-area-inset-bottom);
}
h1{font-size:19px;margin:0 0 2px;letter-spacing:-.01em}
h2{font-size:15px;margin:0;font-weight:650}
.muted{color:var(--muted);font-size:12.5px;margin:0}
.topbar{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:calc(14px + env(safe-area-inset-top)) 16px 12px;
  background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;
}
.wrap{max-width:920px;margin:0 auto;padding:14px 14px 40px;display:flex;flex-direction:column;gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px}
.card-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:10px;gap:8px}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
@media(min-width:720px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat{display:flex;flex-direction:column;gap:6px;padding:12px}
.stat .label{font-size:12px;color:var(--muted)}
.stat strong{font-size:23px;font-weight:680;letter-spacing:-.02em}
.stat strong small{font-size:12px;font-weight:500;color:var(--muted)}
.tag{align-self:flex-start;font-size:11px;padding:2px 8px;border-radius:999px;background:#f1f5f9;color:#475569}
.tag.ok{background:#ecfdf5;color:var(--ok)}
.tag.warn{background:#fffbeb;color:var(--warn)}
.chart-box{height:290px;position:relative}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:13px;white-space:nowrap}
th,td{padding:8px 10px;text-align:right;border-bottom:1px solid var(--line)}
th:first-child,td:first-child{text-align:left}
th{color:var(--muted);font-weight:600;font-size:12px}
tbody tr:last-child td{border-bottom:none}
td.note{max-width:150px;overflow:hidden;text-overflow:ellipsis;text-align:left;color:var(--muted)}
.ok-t{color:var(--ok)} .warn-t{color:var(--warn);font-weight:600}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
@media(min-width:720px){.form-grid{grid-template-columns:repeat(4,1fr)}}
.form-grid label{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--muted)}
.form-grid .wide{grid-column:1/-1}
input{
  font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;
  color:var(--ink);width:100%;appearance:none;
}
input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.btn{font:inherit;font-size:13px;padding:9px 16px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:600}
.btn.ghost{border-color:transparent;color:var(--muted)}
.btn.tiny{padding:4px 9px;font-size:11.5px;color:var(--muted)}
.foot{color:var(--muted);font-size:11.5px;line-height:1.7;padding:0 4px}
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}
.login-card{width:100%;max-width:340px;text-align:center;padding:28px 22px}
.login-card h1{font-size:18px;margin:10px 0 4px}
.login-card .logo{font-size:30px}
.login-card form{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.err{color:#dc2626;font-size:13px;margin:6px 0 0}