:root {
  --bg: oklch(0.985 0 0);
  --surface: oklch(1 0 0);
  --ink: oklch(0.16 0 0);
  --ink-2: oklch(0.42 0 0);
  --ink-3: oklch(0.52 0 0);
  --line: oklch(0.91 0 0);
  --line-2: oklch(0.95 0 0);
  --bar: oklch(0.955 0 0);
  --bar-strong: oklch(0.9 0 0);
  --up: oklch(0.5 0.12 150);
  --down: oklch(0.52 0.17 28);
  --live: oklch(0.62 0.16 150);
  --sans: 'Hanken Grotesk', ui-sans-serif, system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --r: 10px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --z-sticky: 10;
  --z-pop: 20;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 15px/1.45 var(--sans); -webkit-font-smoothing: antialiased; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
a { color: inherit; }
h1, h2, h3 { font-weight: 300; margin: 0; text-wrap: balance; letter-spacing: -0.02em; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 28px; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; border-radius: 4px; }

/* top bar */
.top { position: sticky; top: 0; z-index: var(--z-sticky); background: color-mix(in oklch, var(--bg) 92%, transparent); backdrop-filter: saturate(1.4) blur(8px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; gap: 16px; height: 60px; }
.brand { display: flex; align-items: center; gap: 9px; font-size: 18px; font-weight: 400; letter-spacing: -0.01em; }
.brand svg { width: 22px; height: 22px; }
.grow { flex: 1; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px; background: var(--surface); }
.seg button { padding: 6px 13px; border-radius: 999px; font-size: 13.5px; color: var(--ink-2); white-space: nowrap; transition: background .2s var(--ease), color .2s var(--ease); }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--bg); }
.seg button:hover:not([aria-pressed="true"]) { color: var(--ink); }
.quiet { font-size: 13.5px; color: var(--ink-2); }
.quiet:hover { color: var(--ink); }

/* live */
.live { padding: 40px 0 34px; border-bottom: 1px solid var(--line); }
.live-head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.live-head h1 { font-size: clamp(30px, 4.2vw, 46px); line-height: 1.05; }
.live-head h1 b { font-weight: 400; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--live); display: inline-block; position: relative; top: -4px; margin-right: 12px; }
.dot::after { content: ''; position: absolute; inset: -5px; border-radius: 50%; border: 1.5px solid var(--live); opacity: 0; animation: ping 2.4s var(--ease) infinite; }
@keyframes ping { 0% { transform: scale(.5); opacity: .7; } 100% { transform: scale(1.6); opacity: 0; } }
.updated { color: var(--ink-3); font-size: 13px; }
.live-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 36px; margin-top: 26px; }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); column-gap: 24px; align-content: start; align-self: start; }
.tile { border-top: 1px solid var(--line); padding: 12px 0 14px; text-align: left; display: flex; flex-direction: column; gap: 6px; transition: color .2s var(--ease); }
.tile:hover .nm { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.tile .n { font-family: var(--mono); font-size: 22px; font-weight: 400; line-height: 1; }
.tile .nm { font-size: 13px; color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tile.zero .n { color: var(--ink-3); }
.tile.more { justify-content: flex-end; color: var(--ink-2); font-size: 13px; }
.now-pages h3 { font-size: 14px; font-weight: 400; color: var(--ink-2); margin-bottom: 10px; letter-spacing: 0; }
.now-pages ol { list-style: none; margin: 0; padding: 0; }
.now-pages li { display: flex; gap: 10px; padding: 8px 0; border-top: 1px solid var(--line); font-size: 13.5px; }
.now-pages li span:first-child { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.now-pages li small { color: var(--ink-3); }
.empty { color: var(--ink-3); font-size: 13.5px; padding: 8px 0; }

/* history */
.hist { padding: 34px 0 20px; }
.hist-head { display: flex; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 22px; }
.picker { position: relative; }
.picker-btn { display: inline-flex; align-items: center; gap: 10px; font-size: clamp(26px, 3.4vw, 36px); font-weight: 300; letter-spacing: -0.02em; line-height: 1.1; }
.picker-btn svg { width: 18px; height: 18px; color: var(--ink-3); transition: transform .2s var(--ease); }
.picker-btn[aria-expanded="true"] svg { transform: rotate(180deg); }
.range-label { color: var(--ink-2); font-size: 14px; padding-bottom: 5px; }
.pop { position: absolute; top: calc(100% + 8px); left: 0; z-index: var(--z-pop); background: var(--surface); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 12px 40px -12px oklch(0.2 0 0 / 0.18); padding: 6px; min-width: 280px; max-height: 420px; overflow: auto; animation: pop .18s var(--ease); }
@keyframes pop { from { opacity: 0; transform: translateY(-4px); } }
.pop button.opt { display: flex; width: 100%; justify-content: space-between; gap: 18px; padding: 9px 10px; border-radius: 7px; font-size: 14px; text-align: left; }
.pop button.opt:hover, .pop button.opt[aria-selected="true"] { background: var(--line-2); }
.pop button.opt small { color: var(--ink-3); font-family: var(--mono); font-size: 12.5px; }

/* metrics */
.metrics { display: grid; grid-template-columns: repeat(6, 1fr); border: 1px solid var(--line); border-radius: var(--r) var(--r) 0 0; background: var(--surface); }
.metric { text-align: left; padding: 16px 18px 15px; border-right: 1px solid var(--line); position: relative; }
.metric:last-child { border-right: 0; }
.metric .lb { font-size: 13px; color: var(--ink-2); }
.metric .v { font-size: 28px; font-weight: 300; letter-spacing: -0.02em; line-height: 1.15; margin-top: 4px; font-variant-numeric: tabular-nums; }
.metric .ch { font-family: var(--mono); font-size: 12px; margin-top: 2px; color: var(--ink-3); }
.metric .ch.up { color: var(--up); }
.metric .ch.down { color: var(--down); }
.metric::after { content: ''; position: absolute; left: 18px; right: 18px; bottom: -1px; height: 2px; background: var(--ink); transform: scaleX(0); transition: transform .25s var(--ease); }
.metric[aria-pressed="true"]::after { transform: scaleX(1); }
.metric:hover .lb { color: var(--ink); }
.chart { position: relative; border: 1px solid var(--line); border-top: 0; border-radius: 0 0 var(--r) var(--r); background: var(--surface); padding: 22px 18px 10px; }
.chart svg { display: block; width: 100%; height: 240px; overflow: visible; }
.chart .grid line { stroke: var(--line-2); }
.chart .axis text { fill: var(--ink-3); font: 11px var(--mono); }
.chart .area { fill: oklch(0.16 0 0 / 0.05); }
.chart .line { fill: none; stroke: var(--ink); stroke-width: 1.6; stroke-linejoin: round; }
.chart .prev { fill: none; stroke: var(--bar-strong); stroke-width: 1.4; stroke-dasharray: 3 4; }
.chart .hover-line { stroke: var(--ink-3); stroke-dasharray: 2 3; }
.chart .hover-dot { opacity: 0; }
.chart svg:hover .hover-dot { opacity: 1; }
.tip { position: absolute; pointer-events: none; background: var(--ink); color: var(--bg); padding: 7px 10px; border-radius: 8px; font-size: 12.5px; white-space: nowrap; transform: translate(-50%, -100%); }
.tip b { font-weight: 500; }

/* breakdown cards */
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 20px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 16px 18px 12px; min-width: 0; }
.card-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 10px; }
.card-head h2 { font-size: 17px; font-weight: 400; letter-spacing: -0.01em; }
.card-head .tabs { display: flex; gap: 12px; margin-left: auto; }
.card-head .tabs button { font-size: 13px; color: var(--ink-3); }
.card-head .tabs button[aria-pressed="true"] { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
.card-head .col { margin-left: auto; font-size: 12px; color: var(--ink-3); }
.rows { list-style: none; margin: 0; padding: 0; }
.row { position: relative; display: flex; align-items: center; gap: 12px; padding: 7px 10px; font-size: 14px; border-radius: 6px; isolation: isolate; }
.row + .row { margin-top: 3px; }
.row .fill { position: absolute; inset: 0 auto 0 0; background: var(--bar); border-radius: 6px; z-index: -1; transform-origin: left; animation: grow .5s var(--ease); }
@keyframes grow { from { transform: scaleX(0); } }
.row .k { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .k small { color: var(--ink-3); margin-right: 6px; }
.row .val { font-family: var(--mono); font-size: 13px; }
button.row { width: 100%; text-align: left; }
button.row:hover .k { text-decoration: underline; text-underline-offset: 3px; }

/* purchases */
.section { margin-top: 44px; }
.section-head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin-bottom: 16px; }
.section-head h2 { font-size: clamp(22px, 2.6vw, 28px); }
.section-head p { margin: 0; color: var(--ink-2); font-size: 14px; }
.funnel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 18px; }
.funnel + .funnel { margin-top: 14px; }
.funnel-top { display: flex; align-items: baseline; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.funnel-top .rate { font-size: 34px; font-weight: 300; letter-spacing: -0.02em; }
.funnel-top .what { color: var(--ink-2); font-size: 14px; }
.funnel-top .nm { font-size: 15px; margin-right: auto; }
.steps { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 10px; align-items: end; }
.step { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.step .barbox { height: 88px; display: flex; align-items: flex-end; background: var(--line-2); border-radius: 6px; overflow: hidden; }
.step .bar { width: 100%; background: oklch(0.3 0 0); border-radius: 6px 6px 0 0; transform-origin: bottom; animation: rise .6s var(--ease); min-height: 2px; }
@keyframes rise { from { transform: scaleY(0); } }
.step .sl { font-size: 13.5px; }
.step .sn { font-family: var(--mono); font-size: 12.5px; color: var(--ink-2); }
.step .drop { font-family: var(--mono); font-size: 11.5px; color: var(--down); }

.two { display: grid; grid-template-columns: 1fr 1.35fr; gap: 20px; }
.freq .row .k { flex: 0 0 74px; }
.freq .row .fillwrap { flex: 1; height: 8px; background: var(--line-2); border-radius: 4px; overflow: hidden; }
.freq .row .fillwrap i { display: block; height: 100%; background: var(--ink); border-radius: 4px; transform-origin: left; animation: grow .5s var(--ease); }
.returning { font-size: 30px; font-weight: 300; letter-spacing: -0.02em; }
.cohort { display: grid; gap: 3px; font-size: 12px; }
.cohort .cr { display: grid; grid-template-columns: 92px 44px repeat(8, minmax(0, 1fr)); gap: 3px; align-items: center; }
.cohort .ch, .cohort .cw, .cohort .cs { font-family: var(--mono); color: var(--ink-2); font-size: 11.5px; }
.cohort .cell { height: 28px; border-radius: 4px; display: grid; place-items: center; font-family: var(--mono); font-size: 11px; }
.cohort .cell.na { background: transparent; }

.foot { margin: 46px 0 40px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--ink-2); font-size: 13.5px; display: flex; gap: 14px; flex-wrap: wrap; align-items: baseline; }
.foot .reasons { color: var(--ink-3); }

/* calendar */
.cal-wrap { position: relative; }
.cal { position: absolute; right: 0; top: calc(100% + 8px); z-index: var(--z-pop); background: var(--surface); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 12px 40px -12px oklch(0.2 0 0 / 0.18); padding: 14px; display: flex; gap: 22px; animation: pop .18s var(--ease); }
.month h4 { margin: 0 0 8px; font-size: 14px; font-weight: 400; text-align: center; }
.month .g { display: grid; grid-template-columns: repeat(7, 34px); gap: 2px 0; }
.month .wd { font-family: var(--mono); font-size: 10.5px; color: var(--ink-3); text-align: center; padding-bottom: 4px; }
.month .d { height: 32px; font-size: 13px; border-radius: 0; font-variant-numeric: tabular-nums; }
.month .d:hover:not(:disabled) { background: var(--line-2); border-radius: 6px; }
.month .d.in { background: var(--line-2); }
.month .d.edge { background: var(--ink); color: var(--bg); border-radius: 6px; }
.month .d:disabled { color: var(--bar-strong); cursor: default; }
.cal-nav { position: absolute; top: 12px; left: 12px; right: 12px; display: flex; justify-content: space-between; pointer-events: none; }
.cal-nav button { pointer-events: auto; width: 28px; height: 28px; border-radius: 6px; color: var(--ink-2); }
.cal-nav button:hover { background: var(--line-2); color: var(--ink); }
.cal-hint { position: absolute; bottom: 10px; left: 14px; font-size: 12px; color: var(--ink-3); }
.cal { padding-bottom: 34px; }

/* sign in */
.signin { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.signin form { width: min(380px, 100%); }
.signin h1 { font-size: 34px; margin: 18px 0 6px; }
.signin p { color: var(--ink-2); margin: 0 0 22px; }
.field { display: block; width: 100%; height: 46px; border: 1px solid var(--line); border-radius: 10px; padding: 0 14px; font: inherit; background: var(--surface); color: var(--ink); }
.field:focus { outline: none; border-color: var(--ink); }
.field.code { font-family: var(--mono); letter-spacing: 0.3em; font-size: 20px; text-align: center; }
.btn { display: inline-flex; justify-content: center; align-items: center; width: 100%; height: 46px; margin-top: 10px; border-radius: 10px; background: var(--ink); color: var(--bg); font-weight: 500; transition: opacity .2s; }
.btn:disabled { opacity: .5; cursor: progress; }
.err { color: var(--down); font-size: 13.5px; min-height: 20px; margin-top: 10px; }
.link { font-size: 13.5px; color: var(--ink-2); text-decoration: underline; text-underline-offset: 3px; margin-top: 14px; }

.skeleton { color: transparent !important; background: var(--line-2); border-radius: 6px; animation: shimmer 1.4s ease-in-out infinite; }
@keyframes shimmer { 50% { opacity: .55; } }
.method { max-width: 760px; margin: 40px auto; padding: 0 24px; }
.method pre { white-space: pre-wrap; font: 14px/1.6 var(--mono); }

@media (max-width: 900px) {
  .live-grid { grid-template-columns: 1fr; gap: 24px; }
  .metrics { grid-template-columns: repeat(3, 1fr); }
  .metric:nth-child(3) { border-right: 0; }
  .metric:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
  .cards, .two { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .wrap { padding: 0 16px; }
  .top .wrap { height: auto; padding-top: 10px; padding-bottom: 10px; flex-wrap: wrap; gap: 10px; }
  .top .cal-wrap { order: 3; width: 100%; }
  .top .seg { width: 100%; justify-content: space-between; }
  .top .seg button { flex: 1; padding: 6px 4px; }
  .live { padding: 26px 0 24px; }
  .tiles { grid-template-columns: repeat(2, 1fr); }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .metric { padding: 13px 14px; border-right: 1px solid var(--line) !important; border-bottom: 1px solid var(--line); }
  .metric:nth-child(2n) { border-right: 0 !important; }
  .metric:nth-child(n+5) { border-bottom: 0; }
  .metric .v { font-size: 24px; }
  .chart svg { height: 180px; }
  .steps { grid-auto-flow: row; grid-auto-columns: auto; grid-template-columns: repeat(2, 1fr); }
  .step .barbox { height: 70px; }
  .cohort .cr { grid-template-columns: 70px 34px repeat(8, minmax(0, 1fr)); }
  .cohort .cell { height: 24px; font-size: 9.5px; }
  .cal { right: auto; left: 50%; transform: translateX(-50%); position: fixed; top: 120px; }
  .cal .month:nth-child(3) { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}