:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f3f2ee;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --good: #006300;
  --bad: #d03b3b;
  --series-x: #2a78d6;
  --series-instagram: #eb6834;
  --series-tiktok: #1baf7a;
  --series-youtube: #eda100;
  --series-affiliates: #4a3aa7;
  --seq: #2a78d6;
  --seq-track: #e6effb;
  --radius: 12px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --surface-2: #232321;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --good: #0ca30c;
    --bad: #e66767;
    --series-x: #3987e5;
    --series-instagram: #d95926;
    --series-tiktok: #199e70;
    --series-youtube: #c98500;
    --series-affiliates: #9085e9;
    --seq: #3987e5;
    --seq-track: #1f2a38;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #1a1a19;
  --surface-2: #232321;
  --text-primary: #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted: #898781;
  --grid: #2c2c2a;
  --axis: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --good: #0ca30c;
  --bad: #e66767;
  --series-x: #3987e5;
  --series-instagram: #d95926;
  --series-tiktok: #199e70;
  --series-youtube: #c98500;
  --series-affiliates: #9085e9;
  --seq: #3987e5;
  --seq-track: #1f2a38;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--page);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.45;
}
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 16px; }

/* Top bar */
.topbar { border-bottom: 1px solid var(--border); background: var(--surface); position: sticky; top: 0; z-index: 10; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand { display: flex; align-items: baseline; gap: 10px; }
.brand-mark { font-weight: 800; font-size: 20px; letter-spacing: -0.02em; }
.brand-sub { color: var(--text-secondary); font-size: 14px; }
.theme-toggle {
  display: inline-grid; place-items: center; width: 36px; height: 36px;
  border-radius: 8px; border: 1px solid var(--border); background: transparent;
  color: var(--text-secondary); cursor: pointer;
}
.theme-toggle:hover { background: var(--surface-2); color: var(--text-primary); }

/* Filters */
.filters { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px; padding: 20px 0 4px; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field-label { font-size: 12px; color: var(--text-muted); }
select {
  font: inherit; color: var(--text-primary); background: var(--surface);
  border: 1px solid var(--border); border-radius: 8px; padding: 7px 30px 7px 10px; min-width: 150px;
  appearance: none; -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-muted) 50%), linear-gradient(135deg, var(--text-muted) 50%, transparent 50%);
  background-position: calc(100% - 15px) 55%, calc(100% - 10px) 55%;
  background-size: 5px 5px; background-repeat: no-repeat;
}
.custom-range { display: flex; gap: 12px; }
.custom-range[hidden] { display: none; }
.custom-range select { min-width: 120px; }
.overview-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; margin-bottom: 14px; }
.overview-head .section-note { color: var(--text-muted); font-size: 13px; margin: -8px 0 14px; max-width: 70ch; }
.section-title { margin: 0; }
.overview-span { color: var(--text-muted); font-size: 14px; }
.updated { margin-left: auto; font-size: 13px; color: var(--text-muted); padding-bottom: 8px; }

/* Sections */
.section { padding-top: 28px; }
.section-title { font-size: 20px; font-weight: 650; margin: 0 0 14px; letter-spacing: -0.01em; }

/* Stat tiles */
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; margin-bottom: 14px; }
.tile {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; min-width: 0;
}
.tile-label { font-size: 13px; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tile-value { font-size: 26px; font-weight: 650; letter-spacing: -0.02em; margin-top: 2px; }
.tile.hero { grid-column: span 2; }
.tile.hero .tile-value { font-size: 48px; line-height: 1.1; }
.tile-delta { font-size: 13px; color: var(--text-muted); margin-top: 2px; min-height: 19px; }
.tile-delta .up { color: var(--good); }
.tile-delta .down { color: var(--bad); }
.tiles.small .tile { padding: 12px 14px; }
.tiles.small .tile-value { font-size: 22px; }

/* Cards */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; margin-bottom: 14px; min-width: 0;
}
.card-head { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.card-title { font-size: 17px; font-weight: 650; margin: 0; display: flex; align-items: center; gap: 8px; }
.card-sub { font-size: 13px; color: var(--text-muted); margin: 2px 0 0; }
.dot { width: 10px; height: 10px; border-radius: 3px; display: inline-block; flex: none; }

/* Metric chips */
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font: inherit; font-size: 13px; padding: 5px 10px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--border); background: transparent; color: var(--text-secondary);
}
.chip:hover { background: var(--surface-2); color: var(--text-primary); }
.chip[aria-pressed="true"] { background: var(--text-primary); color: var(--surface); border-color: transparent; }

/* Legend */
.legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: 13px; color: var(--text-secondary); margin-bottom: 6px; }
.legend-item { display: inline-flex; align-items: center; gap: 6px; }

/* Charts */
.chart { position: relative; width: 100%; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart text { font-family: var(--font); }
.axis-label { fill: var(--text-muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.value-label { fill: var(--text-primary); font-size: 12px; font-weight: 600; }
.gridline { stroke: var(--grid); stroke-width: 1; }
.baseline { stroke: var(--axis); stroke-width: 1; }
.hit { fill: transparent; cursor: default; outline: none; }
.hit:hover, .hit:focus-visible { fill: var(--text-primary); fill-opacity: 0.04; }
.bar { transition: opacity 120ms; }

.tooltip {
  position: fixed; z-index: 50; pointer-events: none;
  background: var(--surface); color: var(--text-primary);
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.14); font-size: 13px; min-width: 150px;
}
.tt-title { color: var(--text-secondary); margin-bottom: 4px; }
.tt-row { display: flex; align-items: center; gap: 8px; }
.tt-key { width: 12px; height: 2px; border-radius: 1px; flex: none; }
.tt-value { font-weight: 650; font-variant-numeric: tabular-nums; }
.tt-name { color: var(--text-secondary); }

/* Table view */
.table-view { margin-top: 10px; font-size: 13px; }
.table-view summary { cursor: pointer; color: var(--text-secondary); }
.table-scroll { overflow-x: auto; margin-top: 8px; }
table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
th, td { padding: 6px 10px; text-align: right; border-bottom: 1px solid var(--grid); white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
th { color: var(--text-muted); font-weight: 500; }

/* Channel grid */
.channel { scroll-margin-top: 70px; }
.empty-note { color: var(--text-muted); font-size: 14px; padding: 8px 0; }

/* Year in review */
.period-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 14px; }
.audience { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px 28px; margin-top: 6px; }
.aud-title { font-size: 13px; font-weight: 600; color: var(--text-secondary); margin: 0 0 8px; }
.hbar { margin-bottom: 8px; }
.hbar-row { display: flex; justify-content: space-between; font-size: 13px; gap: 8px; }
.hbar-row span:last-child { font-variant-numeric: tabular-nums; color: var(--text-secondary); }
.hbar-track { height: 6px; background: var(--seq-track); border-radius: 3px; margin-top: 3px; overflow: hidden; }
.hbar-fill { height: 100%; background: var(--seq); border-radius: 3px; }
.subhead { font-size: 13px; font-weight: 600; color: var(--text-secondary); margin: 16px 0 8px; text-transform: none; }

.footer { color: var(--text-muted); font-size: 12px; padding: 40px 16px 32px; }

@media (max-width: 600px) {
  .tile.hero .tile-value { font-size: 38px; }
  .tile-value { font-size: 22px; }
  .updated { margin-left: 0; width: 100%; }
  select { min-width: 0; width: 100%; }
  .field { flex: 1 1 140px; }
  .custom-range { flex: 1 1 100%; }
  .custom-range select { min-width: 0; }
}