:root {
  --bg: #f7f6f3;
  --ink: #141414;
  --muted: #5c5a55;
  --line: #d9d6cf;
  --card: #ffffff;
  --accent: #e8b400;
  --accent-ink: #141414;
  --bar: #141414;
  --bar-soft: #e7e4dc;
  --danger: #8d2b2b;
  --shadow: 0 1px 0 rgba(20, 20, 20, 0.04);
  color-scheme: light;
}

html[data-theme="dark"] {
  --bg: #101010;
  --ink: #f3f2ee;
  --muted: #a7a49c;
  --line: #2c2c2a;
  --card: #181818;
  --accent: #e8b400;
  --accent-ink: #141414;
  --bar: #f3f2ee;
  --bar-soft: #2a2a28;
  --danger: #ffb4b4;
  --shadow: none;
  color-scheme: dark;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body { margin: 0; }

body {
  min-height: 100vh;
  background:
    linear-gradient(var(--accent), var(--accent)) top / 100% 6px no-repeat,
    var(--bg);
  color: var(--ink);
  font-family: "IBM Plex Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  padding: 2.4rem 1.25rem 3rem;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 0.4rem 0.7rem;
}

.skip:focus { top: 0.8rem; }

.top, .lockup, .notice, main, .colophon {
  max-width: 1080px;
  margin-left: auto;
  margin-right: auto;
}

.top {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: center;
  padding-top: 0.6rem;
}

.brand { display: flex; gap: 0.85rem; align-items: center; }

.mark {
  margin: 0;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-weight: 500;
  letter-spacing: 0.08em;
  background: var(--ink);
  color: var(--bg);
  padding: 0.45rem 0.5rem 0.35rem;
  border-bottom: 4px solid var(--accent);
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.lockup {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1.1rem;
  margin: 1.35rem auto 0;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1;
}

.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.chip {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 0.48rem 0.55rem 0.4rem;
}

.iva-side { display: flex; align-items: center; gap: 0.9rem; }

.arrow {
  font-size: 1.85rem;
  font-weight: 500;
  line-height: 1;
  color: var(--ink);
}

.iva {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 0.42rem 0.72rem 0.38rem;
}

.iva-name {
  font-size: 1.7rem;
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
}

.iva-eq {
  margin-top: 0.18rem;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.asof-row {
  max-width: 1080px;
  margin: 0.85rem auto 0;
}

.asof {
  display: inline-block;
  margin: 0;
  padding: 0.32rem 0.55rem 0.26rem;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  line-height: 1.3;
}

.intro {
  max-width: 1080px;
  margin: 0.9rem auto 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.tools { display: flex; gap: 0.5rem; align-items: center; }

.segmented, .theme, select, input, .go {
  font: inherit;
}

.segmented {
  display: flex;
  border: 1px solid var(--line);
  background: var(--card);
}

.segmented button, .theme {
  background: transparent;
  color: var(--ink);
  border: 0;
  padding: 0.45rem 0.7rem;
  cursor: pointer;
}

.segmented button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--bg);
}

.theme {
  border: 1px solid var(--line);
  background: var(--card);
}

.notice {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-left: 4px solid var(--accent);
  background: var(--card);
  box-shadow: var(--shadow);
  color: var(--ink);
  font-size: 0.92rem;
}

.notice a { color: inherit; }

main {
  margin-top: 1.4rem;
  display: grid;
  grid-template-columns: minmax(260px, 320px) 1fr;
  gap: 1.25rem;
  align-items: start;
}

.panel, .result {
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 1rem;
}

.field { display: flex; flex-direction: column; gap: 0.3rem; margin-bottom: 0.9rem; }

label {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

select, input {
  width: 100%;
  background: var(--bg);
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 0.55rem 0.6rem;
  border-radius: 0;
}

.hint, .form-error, .source, .waiting, .colophon, .delta {
  color: var(--muted);
  font-size: 0.85rem;
}

.hint, .form-error { margin: 0.2rem 0 0; }

.form-error { color: var(--danger); }

.go {
  width: 100%;
  background: var(--accent);
  color: var(--accent-ink);
  border: 0;
  padding: 0.7rem 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

.go:hover { filter: brightness(0.96); }

.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.card {
  border: 1px solid var(--line);
  padding: 0.8rem 0.85rem 0.9rem;
}

.card p { margin: 0; }

.card .kicker {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.figure {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  margin: 0.25rem 0;
}

.card.selected { border-color: var(--ink); box-shadow: inset 0 -3px 0 var(--accent); }

.delta { margin: 0.75rem 0 0; }

.timeline {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 0.4rem;
  margin-top: 1.1rem;
  min-height: 180px;
}

.year {
  appearance: none;
  background: transparent;
  border: 0;
  color: inherit;
  font: inherit;
  padding: 0;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  min-width: 0;
  text-align: left;
}

.year .track {
  flex: 1;
  display: flex;
  align-items: flex-end;
  background: var(--bar-soft);
  min-height: 120px;
}

.year .fill {
  width: 100%;
  background: var(--bar);
  min-height: 2px;
}

.year[aria-pressed="true"] .fill { background: var(--accent); }

.year .meta {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding-top: 0.35rem;
}

.year .y {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
}

.year .pct {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  color: var(--muted);
}

.breakdown { margin-top: 1.15rem; overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }

th {
  text-align: left;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  padding: 0.35rem 0.4rem;
  border-bottom: 1px solid var(--line);
}

td {
  padding: 0.45rem 0.4rem;
  border-bottom: 1px solid var(--line);
  vertical-align: baseline;
}

td.num, th.num { text-align: right; font-family: "IBM Plex Mono", ui-monospace, monospace; font-variant-numeric: tabular-nums; }

tr.total td { font-weight: 600; border-bottom: 0; }

.tag {
  display: inline-block;
  margin-left: 0.4rem;
  padding: 0.05rem 0.3rem;
  border: 1px solid var(--accent);
  color: var(--ink);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  vertical-align: 0.1rem;
}

.source { margin: 0.8rem 0 0; }

details { margin-top: 0.9rem; }

summary { cursor: pointer; color: var(--ink); }

details ul { margin: 0.5rem 0 0; padding-left: 1.1rem; color: var(--muted); }

.colophon {
  margin-top: 1.6rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.colophon a { color: var(--ink); }

@media (max-width: 800px) {
  body { padding: 1.6rem 0.9rem 2.4rem; }
  .top { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .tools { align-self: flex-start; }
  main { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .cards { grid-template-columns: 1fr; }
  .lockup { gap: 0.7rem 0.85rem; }
  .iva-name { font-size: 1.45rem; }
}