:root {
  --bg: #f5f6f8; --card: #fff; --ink: #1b2430; --muted: #68717d; --line: #e3e6ea;
  --accent: #1f6feb; --ok: #1a7f37; --bad: #c42b1c; --bar: #2f7d4f; --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f141b; --card: #171e28; --ink: #e4e9ef; --muted: #8b95a3; --line: #263140;
          --accent: #5b9cff; --bar: #4caf73; }
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg); color: var(--ink); font-size: 15px; line-height: 1.45; }
a { color: var(--accent); text-decoration: none; }
.topbar { background: #101826; color: #fff; }
.topbar-inner { max-width: 1100px; margin: 0 auto; padding: .55rem 1rem; display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; }
.brand { font-weight: 700; color: #fff; }
.nav { display: flex; gap: .15rem; flex: 1; }
.nav a { color: #c7d0dc; padding: .3rem .55rem; border-radius: 6px; font-size: .92rem; }
.nav a:hover { background: #1d2a3d; color: #fff; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 1rem; }
h1 { font-size: 1.35rem; margin: .2rem 0 .8rem; }
h2 { font-size: 1.02rem; margin: 0 0 .6rem; }
.head-row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .5rem; }
.tabs a { padding: .3rem .6rem; border-radius: 6px; }
.tabs a.on { background: var(--accent); color: #fff; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: .9rem 1rem; margin-bottom: .9rem; }
.grid { display: grid; gap: .9rem; }
.grid .card { margin-bottom: 0; }
.grid { margin-bottom: .9rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.kpis { display: grid; gap: .6rem; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); margin-bottom: .6rem; }
.kpis .card { margin-bottom: 0; }
.kpi .num { font-size: 1.8rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.kpi .lbl { color: var(--muted); font-size: .8rem; }
.kpi.live { border-color: var(--bar); }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--bar); margin-right: .35rem;
  animation: pulse 1.6s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .25; } }
@media (prefers-reduced-motion: reduce) { .dot { animation: none; } }
.hint { display: flex; align-items: center; gap: .6rem; margin-bottom: .9rem; flex-wrap: wrap; }
.muted { color: var(--muted); }
.small { font-size: .85rem; font-weight: 400; }
.right { text-align: right; }
.mt { margin-top: .7rem; }
table.tbl { width: 100%; border-collapse: collapse; font-size: .9rem; }
.tbl th, .tbl td { text-align: left; padding: .35rem .4rem; border-bottom: 1px solid var(--line); vertical-align: top; word-break: break-word; }
.tbl th { font-size: .78rem; color: var(--muted); font-weight: 600; }
.tbl td.right { text-align: right; font-variant-numeric: tabular-nums; }
.tbl tr.sub td { color: var(--muted); font-size: .82rem; }
.card { overflow-x: auto; }
.chart { width: 100%; height: 180px; display: block; }
.chart.c-hourly { height: 140px; }
.chart .bar { fill: var(--bar); }
.chart .bar:hover { fill: var(--accent); }
.chart .axis { stroke: var(--line); }
.chart .tick { fill: var(--muted); font-size: 11px; }
details summary { cursor: pointer; font-weight: 600; }
.btn { display: inline-block; padding: .4rem .8rem; border: 1px solid var(--line); border-radius: 7px; background: var(--card);
  color: var(--ink); font: inherit; cursor: pointer; }
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-danger { color: var(--bad); }
.btn-ghost { background: transparent; border-color: #32425a; color: #c7d0dc; }
.btn-sm { padding: .2rem .55rem; font-size: .8rem; }
.inline-form { display: inline; margin: 0; }
.form-grid { display: grid; gap: .7rem; }
.form-field { display: flex; flex-direction: column; gap: .2rem; }
.form-field > span { font-size: .8rem; color: var(--muted); font-weight: 600; }
input[type=text], input[type=password] { padding: .45rem .55rem; border: 1px solid var(--line); border-radius: 7px; font: inherit;
  background: var(--card); color: var(--ink); }
.flash { padding: .6rem .9rem; border-radius: 8px; margin-bottom: .8rem; }
.flash-ok { background: #dcf2e3; color: var(--ok); }
.flash-error { background: #fbe4e1; color: var(--bad); }
.login-box { max-width: 360px; margin: 3rem auto; }
.viewtabs { display: flex; gap: .3rem; margin: 0 0 .8rem; border-bottom: 1px solid var(--line); }
.viewtabs a { padding: .45rem .8rem; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -1px; font-weight: 600; }
.viewtabs a.on { color: var(--ink); border-bottom-color: var(--accent); }
.viewtabs .count { background: var(--line); color: var(--muted); border-radius: 9px; padding: 0 .45rem; font-size: .78rem; margin-left: .2rem; }
.kpi-link { display: block; color: inherit; }
.kpi-link:hover { border-color: var(--accent); text-decoration: none; }
.chart.c-bots .bar { fill: var(--muted); }