:root {
  --bg: #f6f7f9; --surface: #fff; --surface-2: #f1f3f6; --border: #e3e6eb; --text: #1b1f24; --muted: #5f6b7a; --faint: #98a2b0;
  --accent: #2a78d6; --ok: #0d9488; --err: #d14343;
  --c0: #2a78d6; --c1: #0d9488; --c2: #eb6834; --c3: #4a3aa7; --c4: #c0407d; --c5: #b8860b; --c6: #5b9a5b; --c7: #7a8594;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216; --surface: #171b21; --surface-2: #1d222a; --border: #2a313b; --text: #e6e9ee; --muted: #9aa5b3; --faint: #687382;
    --accent: #3987e5; --ok: #14a394; --err: #e06767;
    --c0: #3987e5; --c1: #14a394; --c2: #d95926; --c3: #9085e9; --c4: #d65c96; --c5: #d4a017; --c6: #6fb06f; --c7: #8c96a3;
    color-scheme: dark;
  }
}
* { box-sizing: border-box }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.5 system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif }
.wrap { max-width: 1180px; margin: 0 auto; padding: 24px 16px 48px }
h1 { font-size: 20px; margin: 0 }
h2 { font-size: 14px; margin: 0 0 12px; font-weight: 600 }
.muted { color: var(--muted) } .faint { color: var(--faint) } .small { font-size: 12.5px }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px }
.head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 18px }
.head .grow { flex: 1 }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px; min-width: 0 }
.grid { display: grid; gap: 14px }
.kpis { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 14px }
.two { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); margin-top: 14px }
@media (max-width: 860px) { .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)) } .two { grid-template-columns: minmax(0, 1fr) } }
.kpi .label { color: var(--muted); font-size: 12.5px }
.kpi .value { font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; margin-top: 2px }
.kpi .delta { font-size: 12px; color: var(--faint) }
.kpi .delta.up { color: var(--ok) } .kpi .delta.down { color: var(--err) }
button, select, input { font: inherit; color: inherit }
.btn { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 6px 12px; cursor: pointer }
.btn:hover { background: var(--surface-2) }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: var(--surface) }
.seg button { border: 0; background: transparent; padding: 6px 11px; cursor: pointer; color: var(--muted) }
.seg button + button { border-left: 1px solid var(--border) }
.seg button.on { background: var(--surface-2); color: var(--text); font-weight: 600 }
.login { max-width: 360px; margin: 12vh auto 0 }
.login form { display: grid; gap: 12px; margin-top: 14px }
.error { color: var(--err); font-size: 13px }
.chart-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px }
.chart-head .grow { flex: 1 }
.legend { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 10px }
.legend button { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--border); background: var(--surface); border-radius: 999px; padding: 2px 10px; cursor: pointer; font-size: 12.5px }
.legend button.off { opacity: .45 }
.legend i { width: 9px; height: 9px; border-radius: 3px; display: inline-block }
.chart { position: relative; outline: none }
.chart svg { display: block; width: 100%; overflow: visible }
.chart .axis { fill: var(--faint); font-size: 11px }
.chart .grid-line { stroke: var(--border); stroke-width: 1 }
.chart .hover-band { fill: var(--text); opacity: .06 }
.tip { position: absolute; pointer-events: none; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; box-shadow: 0 6px 20px rgba(0,0,0,.12); padding: 8px 10px; font-size: 12.5px; min-width: 160px; z-index: 2 }
.tip .t { font-weight: 600; margin-bottom: 4px }
.tip .r { display: flex; align-items: center; gap: 6px; white-space: nowrap }
.tip .r b { margin-left: auto; padding-left: 12px; font-variant-numeric: tabular-nums }
.tip i { width: 8px; height: 8px; border-radius: 2px; display: inline-block }
.table-wrap { overflow-x: auto }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums }
th, td { text-align: right; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap }
th:first-child, td:first-child { text-align: left }
th { color: var(--muted); font-weight: 500; font-size: 12.5px }
tr:last-child td { border-bottom: 0 }
tr.group td { background: var(--surface-2); font-weight: 600 }
tr.sub td:first-child { padding-left: 24px }
.dot { width: 9px; height: 9px; border-radius: 3px; display: inline-block; margin-right: 7px; vertical-align: 0 }
.bars { display: grid; gap: 7px }
.bar-row { display: grid; grid-template-columns: 92px minmax(0, 1fr) 64px; gap: 10px; align-items: center; font-size: 13px }
.bar-row .track { height: 8px; border-radius: 4px; background: var(--surface-2); overflow: hidden }
.bar-row .fill { height: 100%; border-radius: 4px; background: var(--accent) }
.bar-row .n { text-align: right; font-variant-numeric: tabular-nums }
.empty { color: var(--faint); padding: 18px 0; text-align: center }
.k0 { background: var(--c0) } .k1 { background: var(--c1) } .k2 { background: var(--c2) } .k3 { background: var(--c3) }
.k4 { background: var(--c4) } .k5 { background: var(--c5) } .k6 { background: var(--c6) } .k7 { background: var(--c7) }
.pull { margin-bottom: 8px } .mt { margin-top: 14px } .mt-lg { margin-top: 18px } .flat { margin: 0 }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0 }
footer { margin-top: 22px; text-align: center; color: var(--faint); font-size: 12px }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; background: var(--surface-2); border-radius: 4px; padding: 1px 5px; word-break: break-all }
.help { color: var(--muted); font-size: 13px; margin: 0 0 12px }
.help li { margin: 4px 0 }
.rows { display: grid; gap: 12px }
.srow { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2.4fr) minmax(0, 1fr) minmax(0, 1.4fr) auto; gap: 8px; align-items: start }
.srow .entry { grid-column: 1 / -1; margin-top: -4px }
.srow-head { color: var(--muted); font-size: 12.5px }
@media (max-width: 860px) { .srow { grid-template-columns: minmax(0, 1fr) } .srow-head { display: none } .srow { border-bottom: 1px solid var(--border); padding-bottom: 12px } }
input.input, select.input, textarea.input { width: 100%; padding: 7px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface) }
textarea.input { min-height: 84px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; resize: vertical }
.actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 14px }
.ok-msg { color: var(--ok); font-size: 13px }
.btn.danger { color: var(--err) }