:root {
  --bg: #f7f6f2;
  --surface: #ffffff;
  --surface-2: #f0efea;
  --line: #e4e2db;
  --ink: #16160f;
  --ink-2: #5c5b53;
  --ink-3: #8d8c83;
  --pos: #1f9d55;
  --pos-soft: #d8f3e3;
  --neg: #d6453d;
  --neg-soft: #fbe0dd;
  --neutral: #8d8c83;
  --accent: #3b6ff0;
  --today: #6e6cf2;
  --radius: 18px;
  --shadow: 0 1px 2px rgba(20, 20, 10, .05), 0 12px 32px -16px rgba(20, 20, 10, .18);
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #121311;
    --surface: #1b1c19;
    --surface-2: #24251f;
    --line: #2f302a;
    --ink: #f3f2ec;
    --ink-2: #b4b3aa;
    --ink-3: #7e7d75;
    --pos: #3ccf7a;
    --pos-soft: #163c27;
    --neg: #ff6b5e;
    --neg-soft: #4a1f1b;
    --neutral: #7e7d75;
    --accent: #7ea1ff;
    --today: #9c9bff;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 12px 32px -16px rgba(0, 0, 0, .6);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
h2 { font-size: 1.15rem; margin: 0 0 .15rem; letter-spacing: -.01em; }
h3 { font-size: 1rem; margin: 1.25rem 0 .25rem; }
p { margin: 0; }

#confetti {
  position: fixed; inset: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 50;
}

.top {
  max-width: 920px; margin: 0 auto; padding: 22px 16px 0;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.wordmark {
  font-weight: 800; letter-spacing: -.03em; text-decoration: none; font-size: 1.1rem;
}
.wordmark span { color: var(--neg); }
.links { display: flex; gap: 14px; flex-wrap: wrap; justify-content: flex-end; }
.link { font-size: .85rem; color: var(--ink-2); text-decoration: none; }
.link:hover { color: var(--ink); text-decoration: underline; }

main { max-width: 920px; margin: 0 auto; padding: 0 16px 48px; display: grid; gap: 16px; }

/* Hero ---------------------------------------------------------------- */
.hero {
  text-align: center; padding: 56px 16px 36px;
}
.eyebrow {
  font-size: .8rem; text-transform: uppercase; letter-spacing: .14em; color: var(--ink-3); font-weight: 600;
}
.hero-number { margin: 6px 0 0; }
.hero-value {
  display: inline-block;
  font-size: clamp(76px, 18vw, 168px);
  font-weight: 800; letter-spacing: -.05em; line-height: 1;
  color: var(--ink);
  transition: color .4s;
}
.hero-value.pos { color: var(--pos); }
.hero-value.neg { color: var(--neg); }
.hero-value.muted { color: var(--ink-3); }
.hero-sub { font-size: 1.15rem; color: var(--ink-2); margin-top: 8px; }
.mood {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 18px; padding: 8px 16px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow);
  font-weight: 600;
}
.mood .mood-emoji { font-size: 1.3rem; }
.meta { margin-top: 14px; font-size: .85rem; color: var(--ink-3); }
.chips { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 18px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px; border-radius: 999px; font-size: .85rem;
  background: var(--surface); border: 1px solid var(--line);
  font-variant-numeric: tabular-nums;
}
.chip b { font-weight: 700; }
.chip i { width: 8px; height: 8px; border-radius: 50%; background: var(--neutral); }
.chip i.pos { background: var(--pos); }
.chip i.neg { background: var(--neg); }
.notice {
  margin: 20px auto 0; max-width: 560px; font-size: .9rem; color: var(--ink-2);
  padding: 12px 16px; border-radius: 12px; background: var(--surface-2);
}
.notice b { color: var(--ink); }

/* Tiles --------------------------------------------------------------- */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.tile {
  background: var(--surface); border: 1px solid var(--line); border-radius: 14px;
  padding: 14px 16px; box-shadow: var(--shadow);
}
.tile .label { font-size: .78rem; color: var(--ink-3); font-weight: 600; letter-spacing: .02em; }
.tile .value { font-size: 1.7rem; font-weight: 800; letter-spacing: -.03em; line-height: 1.15; margin-top: 4px; }
.tile .value.pos { color: var(--pos); }
.tile .value.neg { color: var(--neg); }
.tile .sub { font-size: .78rem; color: var(--ink-3); margin-top: 2px; }

/* Cards --------------------------------------------------------------- */
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 20px 16px; box-shadow: var(--shadow);
}
.card-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; flex-wrap: wrap; margin-bottom: 12px; }
.hint { font-size: .85rem; color: var(--ink-3); }
.seg { display: inline-flex; background: var(--surface-2); border-radius: 10px; padding: 3px; gap: 2px; }
.seg button {
  border: 0; background: transparent; color: var(--ink-2); font: inherit; font-size: .82rem; font-weight: 600;
  padding: 5px 10px; border-radius: 8px; cursor: pointer;
}
.seg button.on { background: var(--surface); color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,.12); }

.chart-wrap { position: relative; }
.chart { width: 100%; height: 260px; display: block; overflow: visible; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .zero { stroke: var(--ink-3); stroke-width: 1; }
.chart .tick { fill: var(--ink-3); font-size: 11px; font-variant-numeric: tabular-nums; }
.chart .bar.pos { fill: var(--pos); }
.chart .bar.neg { fill: var(--neg); }
.chart .bar.weekend { opacity: .35; }
.chart .bar.today { fill: var(--today); }
.chart .bar.today.pattern { fill: url(#hatch); }
.chart .hit { fill: transparent; cursor: default; }
.chart .hit:hover + .bar, .chart .bar.hover { opacity: 1; filter: brightness(1.12); }
.chart .empty { fill: var(--ink-3); font-size: 14px; }

.tooltip {
  position: absolute; pointer-events: none; z-index: 5;
  background: var(--ink); color: var(--bg); padding: 8px 10px; border-radius: 10px;
  font-size: .8rem; line-height: 1.35; white-space: nowrap; transform: translate(-50%, calc(-100% - 10px));
  box-shadow: var(--shadow);
}
.tooltip b { font-size: .95rem; }
.tooltip .co { opacity: .8; font-variant-numeric: tabular-nums; }

.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: .78rem; color: var(--ink-3); margin-top: 8px; }
.key { display: inline-flex; align-items: center; gap: 6px; }
.sw { width: 10px; height: 10px; border-radius: 3px; display: inline-block; background: var(--neutral); }
.sw.pos { background: var(--pos); }
.sw.neg { background: var(--neg); }
.sw.today { background: var(--today); }

/* Weekday profile ----------------------------------------------------- */
.profile { display: grid; gap: 8px; margin-top: 6px; }
.prow { display: grid; grid-template-columns: 88px 1fr 64px; align-items: center; gap: 10px; font-size: .9rem; }
.prow .name { color: var(--ink-2); font-weight: 600; }
.prow .name.fri { color: var(--neg); }
.prow .track { position: relative; height: 18px; }
.prow .zero { position: absolute; top: -3px; bottom: -3px; width: 1px; background: var(--ink-3); }
.prow .fill { position: absolute; top: 0; height: 18px; border-radius: 0 4px 4px 0; background: var(--pos); }
.prow .fill.neg { border-radius: 4px 0 0 4px; background: var(--neg); }
.prow .fill.weekend { opacity: .4; }
.prow .val { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; color: var(--ink-2); }

/* Prose + status ------------------------------------------------------ */
.prose p { color: var(--ink-2); margin-top: .5rem; max-width: 70ch; }
.prose p strong { color: var(--ink); }
.status { font-size: .85rem; color: var(--ink-2); margin-top: .5rem; }
.status table { border-collapse: collapse; margin-top: 8px; font-variant-numeric: tabular-nums; }
.status th, .status td { text-align: left; padding: 4px 12px 4px 0; border-bottom: 1px solid var(--line); }
.status th { color: var(--ink-3); font-weight: 600; font-size: .78rem; }
.status code { font-family: var(--mono); font-size: .8rem; background: var(--surface-2); padding: 1px 6px; border-radius: 6px; }

.foot { max-width: 920px; margin: 0 auto; padding: 0 16px 40px; font-size: .78rem; color: var(--ink-3); text-align: center; }

@media (max-width: 560px) {
  .hero { padding-top: 36px; }
  .prow { grid-template-columns: 70px 1fr 56px; }
  .links .link:nth-child(3) { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}