:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --surface-raised: #ffffff;
  --ink: #0b0b0b;
  --ink-secondary: #52514e;
  --ink-muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --series-subscribers: #2a78d6;
  --series-pool: #eb6834;
  --hover-wash: rgba(11, 11, 11, 0.04);
  --warning-ink: #8a5a00;
  --warning-wash: #fff4dc;
  --critical-ink: #b42828;
  --critical-wash: #fdecec;
  --good: #0ca30c;
  --radius: 10px;
  font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --surface-raised: #222220;
    --ink: #f0efec;
    --ink-secondary: #c3c2b7;
    --ink-muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --accent: #3987e5;
    --series-subscribers: #3987e5;
    --series-pool: #d95926;
    --hover-wash: rgba(255, 255, 255, 0.06);
    --warning-ink: #fab219;
    --warning-wash: #2e2410;
    --critical-ink: #f08a8a;
    --critical-wash: #331818;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5;
}

button, input { font: inherit; color: inherit; }

button {
  border: 1px solid var(--border);
  background: var(--surface-raised);
  border-radius: 8px;
  padding: 6px 12px;
  cursor: pointer;
}
button:hover { background: var(--hover-wash); }
button:disabled { opacity: 0.5; cursor: default; }
button.ghost { background: transparent; }
button.small { padding: 2px 10px; font-size: 13px; }
button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--page);
  border-color: var(--ink);
}

input[type="date"] {
  border: 1px solid var(--border);
  background: var(--surface-raised);
  border-radius: 8px;
  padding: 5px 8px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  border: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  white-space: nowrap !important;
}

.muted { color: var(--ink-muted); }

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 16px; }
.badge {
  font-size: 12px;
  font-weight: 500;
  padding: 1px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--ink-secondary);
}
.top-actions { display: flex; align-items: center; gap: 8px; }
.top-actions form { margin: 0; }

main { max-width: 1240px; margin: 0 auto; padding: 20px 24px 48px; }

.filters { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; }
.presets { display: flex; flex-wrap: wrap; gap: 6px; }
.custom { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin: 0; }
.range-label { flex-basis: 100%; margin: 0; color: var(--ink-secondary); font-size: 13px; }

.notices { display: grid; gap: 8px; margin: 16px 0 0; }
.notice {
  border-radius: 8px;
  padding: 8px 12px;
  background: var(--warning-wash);
  color: var(--warning-ink);
}
.notice.critical { background: var(--critical-wash); color: var(--critical-ink); }

.content { transition: opacity 120ms ease; }
.content.loading { opacity: 0.55; }

.kpis {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 16px 0;
}
@media (min-width: 760px) {
  .kpis { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (min-width: 1200px) {
  .kpis { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}
.tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
}
.tile h2 { margin: 0; font-size: 13px; font-weight: 500; color: var(--ink-secondary); }
.tile .value { margin: 4px 0 2px; font-size: 26px; font-weight: 600; }
.tile .detail { margin: 0; font-size: 12px; color: var(--ink-muted); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin: 0 0 12px;
}
.card.two {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}
.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.card-head h2 { margin: 0; font-size: 15px; font-weight: 600; }
.card-head p { margin: 0; font-size: 12px; }

.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart .gridline { stroke: var(--grid); stroke-width: 1; }
.chart .baseline { stroke: var(--axis); stroke-width: 1; }
.chart .tick { fill: var(--ink-muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.chart .band { fill: transparent; cursor: default; }
.chart .band:hover, .chart .band:focus { fill: var(--hover-wash); outline: none; }
.chart .series-subscribers { fill: var(--series-subscribers); }
.chart .series-pool { fill: var(--series-pool); }
.chart .empty { fill: var(--ink-muted); font-size: 13px; }
.legend { display: flex; gap: 16px; flex-wrap: wrap; margin: 4px 0 6px; color: var(--ink-secondary); font-size: 12px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.swatch { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }
.swatch.series-subscribers { background: var(--series-subscribers); }
.swatch.series-pool { background: var(--series-pool); }

.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { text-align: left; padding: 6px 10px 6px 0; border-bottom: 1px solid var(--grid); white-space: nowrap; }
th { font-weight: 500; color: var(--ink-secondary); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr:hover { background: var(--hover-wash); }
td.empty { color: var(--ink-muted); text-align: left; white-space: normal; }
.subject { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12px; }
.chart table { margin-top: 8px; }

.pager {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.pager .muted { margin-right: auto; }

.state { display: inline-flex; align-items: center; gap: 6px; }
.state::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--ink-muted); }
.state.paid::before { background: var(--good); }
.state.trial::before { background: var(--accent); }
.state.refunded::before { background: var(--critical-ink); }

.bars { display: grid; gap: 6px; }
.bar-row { display: grid; grid-template-columns: 96px 1fr 40px; align-items: center; gap: 8px; font-size: 13px; }
.bar-row .label { color: var(--ink-secondary); }
.bar-row .track { height: 12px; }
.bar-row .fill { height: 12px; border-radius: 0 4px 4px 0; background: var(--accent); }
.bar-row .count { text-align: right; font-variant-numeric: tabular-nums; }

.notes summary { cursor: pointer; font-weight: 600; }
.notes ul { margin: 8px 0 0; padding-left: 20px; color: var(--ink-secondary); }
.notes li { margin: 4px 0; }

.tooltip {
  position: fixed;
  z-index: 10;
  pointer-events: none;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  font-size: 12px;
  min-width: 150px;
}
.tooltip .when { color: var(--ink-secondary); margin-bottom: 4px; }
.tooltip .row { display: flex; align-items: center; gap: 8px; justify-content: space-between; }
.tooltip .row span:first-child { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-secondary); }
.tooltip .row strong { font-variant-numeric: tabular-nums; }
.tooltip .key { width: 12px; height: 2px; display: inline-block; }
.tooltip .key.series-subscribers { background: var(--series-subscribers); }
.tooltip .key.series-pool { background: var(--series-pool); }

/* Login */
.login-page { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card {
  width: min(360px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.login-card h1 { margin: 0 0 4px; font-size: 18px; display: flex; align-items: center; gap: 8px; }
.login-card p { margin: 0 0 16px; color: var(--ink-secondary); }
.login-card label { display: block; font-size: 13px; color: var(--ink-secondary); margin-bottom: 4px; }
.login-card input[type="password"], .login-card input[type="text"] {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--surface-raised);
  border-radius: 8px;
  padding: 8px 10px;
  margin-bottom: 12px;
}
.login-card button { width: 100%; padding: 8px; background: var(--ink); color: var(--page); border-color: var(--ink); }
.login-card .notice { margin-bottom: 12px; }

@media (max-width: 640px) {
  .top { padding: 10px 16px; }
  main { padding: 16px 16px 40px; }
  .tile .value { font-size: 22px; }
}