/* Pay Deal Explained: styles for the interactive sections. */

/* ---------- shared form controls ---------- */

select,
input[type="text"],
input[type="number"] {
  width: 100%;
  min-height: 2.75rem;
  font: inherit;
  font-size: 1rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--field-border);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
}

.field { display: grid; gap: 0.35rem; }
.field[hidden], .seg[hidden] { display: none; }
.field > label, .seg > legend { font-weight: 650; font-size: 0.95rem; }

.seg { border: 0; margin: 0; padding: 0; display: grid; gap: 0.45rem; min-width: 0; }
.seg > legend { padding: 0; margin-bottom: 0.45rem; }
.seg-options { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.pill { position: relative; }
.pill input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.pill span {
  display: inline-flex;
  align-items: center;
  min-height: 2.6rem;
  padding: 0.35rem 0.95rem;
  border: 1px solid var(--field-border);
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  background: var(--paper);
}
.pill input:checked + span { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.pill input:focus-visible + span { outline: 3px solid var(--teal); outline-offset: 2px; }

.switch { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.95rem; cursor: pointer; }
.switch input { flex: none; width: 1.25rem; height: 1.25rem; margin: 0.15rem 0 0; accent-color: var(--teal); }

.field-error { color: var(--red); font-size: 0.9rem; margin: 0; }
.field-error:empty { display: none; }

/* ---------- 1. Your pay ---------- */

.pay-grid { display: grid; gap: 1.25rem; }

@media (min-width: 820px) {
  .pay-grid { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); align-items: start; }
  .pay-result { position: sticky; top: 4.5rem; }
}

.pay-form { display: grid; gap: 1.15rem; }
.privacy { color: var(--muted); font-size: 0.9rem; margin: 0; }

.pay-result { display: grid; gap: 0.6rem; }
.pay-result > p { margin: 0; }

.example-badge {
  justify-self: start;
  background: var(--teal-soft);
  color: var(--teal-ink);
  font-size: 0.85rem;
  font-weight: 650;
  border-radius: 999px;
  padding: 0.2rem 0.75rem;
}
.example-badge[hidden] { display: none; }

.pay-label { color: var(--muted); }

.pay-big {
  font-family: var(--sans);
  font-weight: 700;
  font-size: clamp(1.85rem, 1.3rem + 2.3vw, 2.6rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  font-variant-numeric: lining-nums proportional-nums;
}
.pay-big .from { color: var(--muted); }
.pay-big .arrow { color: var(--muted); font-weight: 400; }
.pay-big .to { color: var(--teal); }
.pay-big .per { font-family: var(--sans); font-size: 1rem; font-weight: 600; color: var(--muted); }

.pay-gain { font-size: 1.05rem; }
.pay-alt { margin-top: 1rem; }
.pay-ways-title { font-family: var(--sans); font-size: 0.95rem; font-weight: 650; margin: 0 0 0.35rem; }
.pay-ways { margin: 0; display: grid; gap: 0.25rem; }
.pay-ways div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
  font-size: 0.95rem;
}
.pay-ways div.on { background: var(--teal-soft); color: var(--teal-ink); font-weight: 650; }
.pay-ways dd { margin: 0; text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.pay-ways-pct { color: var(--muted); font-size: 0.88rem; }
.pay-ways div.on .pay-ways-pct { color: inherit; }
.pay-ways-note { color: var(--muted); font-size: 0.9rem; margin: 0.5rem 0 0; }
.pay-ways-note[hidden] { display: none; }

.pay-facts {
  display: grid;
  gap: 0.65rem;
  margin: 0.4rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
}
.pay-facts div[hidden] { display: none; }
.pay-facts dt { font-weight: 650; font-size: 0.9rem; }
.pay-facts dd { margin: 0; }

.pay-explain {
  padding: 0.75rem 0.9rem;
  background: var(--paper);
  border-radius: 8px;
  font-size: 0.95rem;
}

/* ---------- charts (shared) ---------- */

.legend {
  list-style: none;
  margin: 0 0 0.85rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  font-size: 0.88rem;
  color: var(--muted);
}
.legend li { display: inline-flex; align-items: center; gap: 0.4rem; }

.swatch { display: inline-block; flex: none; width: 0.8rem; height: 0.8rem; border-radius: 3px; vertical-align: -0.05rem; }
.swatch.pct { background: var(--mark-pct); }
.swatch.flat { background: var(--mark-flat); }
.swatch.price { background: var(--mark-price); }
.swatch.earlier { background: var(--mark-earlier); box-shadow: inset 0 0 0 1px var(--mark-earlier-edge); }
.swatch.lb { background: repeating-linear-gradient(45deg, var(--mark-pct) 0 3px, color-mix(in srgb, var(--mark-pct) 40%, var(--card)) 3px 5px); }
.swatch.prev { background: var(--mark-prev); }
.swatch.possible {
  background: repeating-linear-gradient(45deg, var(--mark-pct) 0 2px, transparent 2px 5px);
  box-shadow: inset 0 0 0 1px var(--mark-pct);
}

.chart-wrap { position: relative; }
.chart-svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart-svg .grid { stroke: var(--grid); stroke-width: 1; }
.chart-svg .baseline { stroke: var(--muted); stroke-width: 1; }
.chart-svg .axis-label { fill: var(--muted); font: var(--chart-text) var(--sans); font-variant-numeric: tabular-nums; }
.chart-svg .value-label { fill: var(--ink); font: 650 13px var(--sans); }

.bar-pct { fill: var(--mark-pct); }
.bar-flat { fill: var(--mark-flat); }
.bar-earlier { fill: var(--mark-earlier); stroke: var(--mark-earlier-edge); stroke-width: 1; }
.bar-possible { fill: url(#hatch-stairs); }
.bar-lb { fill: url(#lb-stairs); }
.lb-ground { fill: var(--mark-pct); }
.lb-stripe { stroke: color-mix(in srgb, var(--mark-pct) 40%, var(--card)); stroke-width: 2; }
.bar .hit { fill: transparent; }
.bar { outline: none; }
.bar:focus-visible .hit { fill: var(--teal-soft); stroke: var(--teal); stroke-width: 2; }
.bar-grow {
  transform-box: fill-box;
  transform-origin: 50% 100%;
  transition: transform 0.55s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.chart-svg.pre .bar-grow { transform: scaleY(0); }

.chart-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin-top: 0.75rem;
}
.chart-result { margin: 0; font-size: 1rem; max-width: var(--measure); }
.button-quiet[hidden] { display: none; }

.tip {
  position: absolute;
  z-index: 5;
  pointer-events: none;
  max-width: 17rem;
  display: grid;
  gap: 0.1rem;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.85rem;
  line-height: 1.4;
  padding: 0.45rem 0.65rem;
  border-radius: 6px;
}
.tip[hidden] { display: none; }

tr.muted td { color: var(--muted); }

.tag { display: inline-block; font-size: 0.8rem; font-weight: 650; border-radius: 999px; padding: 0.1rem 0.6rem; white-space: nowrap; }
.tag.flat { background: var(--amber-soft); color: var(--amber-ink); }
.tag.pct { background: var(--teal-soft); color: var(--teal-ink); }
.tag.none { color: var(--muted); padding-left: 0; font-weight: 500; }

/* ---------- 3. Flat sum or percentage? ---------- */

.fp-label { display: block; font-weight: 650; margin-bottom: 0.25rem; }
.fp-value { font-size: 1.6rem; font-weight: 700; letter-spacing: -0.01em; margin-left: 0.25rem; }

.fp-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 2.75rem;
  margin: 0;
  background: transparent;
  cursor: pointer;
}
.fp-range::-webkit-slider-runnable-track {
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(to right, var(--mark-flat) 0 var(--th), var(--mark-pct) var(--th) 100%);
}
.fp-range::-moz-range-track {
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(to right, var(--mark-flat) 0 var(--th), var(--mark-pct) var(--th) 100%);
}
.fp-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 26px;
  height: 26px;
  margin-top: -9px;
  border-radius: 50%;
  background: var(--card);
  border: 3px solid var(--ink);
}
.fp-range::-moz-range-thumb { width: 20px; height: 20px; border-radius: 50%; background: var(--card); border: 3px solid var(--ink); }
.fp-range:focus-visible { outline: 3px solid var(--teal); outline-offset: 2px; border-radius: 6px; }

.fp-scale { position: relative; height: 1.4rem; font-size: 0.8rem; color: var(--muted); }
.fp-scale span { position: absolute; top: 0; white-space: nowrap; }
.fp-scale .lo { left: 0; }
.fp-scale .hi { right: 0; }
.fp-scale .th { transform: translateX(-0.35rem); color: var(--ink); font-weight: 650; }

.fp-key { display: flex; flex-wrap: wrap; align-items: center; gap: 0.25rem 0.45rem; margin: 0.85rem 0; font-size: 0.9rem; color: var(--muted); }
.fp-summary { font-size: 1.05rem; margin: 0.25rem 0 1rem; max-width: var(--measure); }
.fp-table td, .fp-table th { white-space: nowrap; }

.examples { margin-top: 1.25rem; }
.examples h3 { font-size: 1.15rem; }
.hbars { list-style: none; margin: 1rem 0; padding: 0; display: grid; gap: 0.6rem; }
.hbars li {
  display: grid;
  grid-template-columns: minmax(0, 15rem) minmax(0, 1fr) 3.5rem;
  align-items: center;
  gap: 0.25rem 0.75rem;
  font-size: 0.92rem;
}
.hb-track { display: block; height: 14px; }
.hb-bar { display: block; height: 100%; background: var(--mark-earlier); box-shadow: inset 0 0 0 1px var(--mark-earlier-edge); border-radius: 0 4px 4px 0; }
.hbars li.ours .hb-bar { background: var(--mark-pct); box-shadow: none; }
.hbars li.ours .hb-label { font-weight: 650; }
.hb-value { text-align: right; font-variant-numeric: tabular-nums; }

@media (max-width: 560px) {
  .hbars li { grid-template-columns: minmax(0, 1fr) 3.5rem; }
  .hbars .hb-label { grid-column: 1 / -1; }
}

/* ---------- 4. Compounding ---------- */

.cmp-intro { font-weight: 650; margin-bottom: 1rem; }
.cmp { display: grid; gap: 1.6rem; }
.cmp-row {
  display: grid;
  grid-template-columns: minmax(0, 12rem) minmax(0, 1fr) 4.75rem;
  align-items: center;
  gap: 0.4rem 1rem;
}
.cmp-label { margin: 0; font-size: 0.95rem; }
.cmp-track { position: relative; display: flex; height: 22px; }
.cmp-seg {
  display: block;
  height: 100%;
  margin-right: 2px;
  background: var(--mark-pct);
  transform-origin: 0 50%;
  transition: transform 0.35s ease;
}
.cmp-seg.last { border-radius: 0 4px 4px 0; }
.cmp-seg.lb {
  background: repeating-linear-gradient(45deg, var(--mark-pct) 0 2px, transparent 2px 5px);
  box-shadow: inset 0 0 0 1px var(--mark-pct);
}
.cmp-extra {
  position: absolute;
  top: calc(100% + 4px);
  height: 8px;
  border: 2px solid var(--ink);
  border-top: 0;
  transition: opacity 0.3s ease 2.3s;
}
.cmp-value { font-weight: 700; font-size: 1.15rem; text-align: right; font-variant-numeric: tabular-nums; }
.cmp.pre .cmp-seg { transform: scaleX(0); }
.cmp.pre .cmp-extra { opacity: 0; transition-delay: 0s; }
.cmp-note { margin: 1.75rem 0 0; max-width: var(--measure); }
.swatch.extra { background: none; border: 2px solid var(--ink); border-top: 0; height: 0.45rem; border-radius: 0; }

@media (max-width: 560px) {
  .cmp-row { grid-template-columns: minmax(0, 1fr) 4.75rem; }
  .cmp-label { grid-column: 1 / -1; }
}

/* ---------- 5. Back pay ---------- */

.bp-field { max-width: 17rem; margin: 1rem 0; }
.bp-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(7.5rem, 1fr));
  gap: 0.6rem;
  margin: 1rem 0 0.5rem;
}
.bp-tile {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 0.15rem;
  min-height: 4.5rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}
.bp-fill {
  position: absolute;
  inset: 0;
  background: var(--teal-soft);
  transform-origin: 50% 100%;
  transition: transform 0.45s ease var(--d);
}
.bp-tile > span:not(.bp-fill) { position: relative; }
.bp-month { font-size: 0.85rem; color: var(--muted); }
.bp-amount { font-weight: 700; font-size: 1.1rem; }
.bp-total {
  display: grid;
  gap: 0.1rem;
  padding: 0.7rem 0.8rem;
  border: 2px solid var(--mark-pct);
  border-radius: 8px;
  background: var(--card);
  transition: opacity 0.4s ease var(--d), transform 0.4s ease var(--d);
}
.bp-sum { font-weight: 700; font-size: 1.6rem; letter-spacing: -0.01em; }
.bp-small { font-size: 0.8rem; color: var(--muted); }
.bp-tiles.pre .bp-fill { transform: scaleY(0); }
.bp-tiles.pre .bp-total { opacity: 0; transform: translateY(6px); }

/* ---------- 6. Pay vs prices ---------- */

.pvp-svg { cursor: crosshair; }
.pvp-svg:focus-visible { outline: 3px solid var(--teal); outline-offset: 4px; border-radius: 4px; }
.line-pay, .line-price { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.line-pay { stroke: var(--mark-pct); }
.line-price { stroke: var(--mark-price); }
.chart-svg .ahead { fill: var(--mark-price); opacity: 0.1; }
.chart-svg .end-label { fill: var(--ink); font: 650 12px var(--sans); }
.crosshair { stroke: var(--muted); stroke-width: 1; }
.dot-pay, .dot-price { stroke: var(--card); stroke-width: 2; }
.dot-pay { fill: var(--mark-pct); }
.dot-price { fill: var(--mark-price); }
.pvp-readout { font-size: 1.1rem; font-weight: 600; margin: 1.1rem 0 0.9rem; max-width: var(--measure); }
.pvp-range { width: 100%; min-height: 2.5rem; accent-color: var(--mark-price); }
.swatch.line { width: 1.1rem; height: 3px; border-radius: 2px; }
.swatch.line.pay { background: var(--mark-pct); }
.swatch.line.price { background: var(--mark-price); }
.swatch.ahead { background: var(--mark-price); opacity: 0.2; }

/* ---------- 7. This deal vs the last one ---------- */

.vs-cards { display: grid; gap: 1rem; margin-bottom: 1.25rem; }
@media (min-width: 760px) { .vs-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.vs-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 4px solid var(--mark-prev);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem 1.25rem;
}
.vs-card.draft { border-top-color: var(--mark-pct); }
.vs-card h3 { font-size: 1.15rem; margin-bottom: 0.15rem; }
.vs-period { color: var(--muted); font-size: 0.92rem; margin-bottom: 0.75rem; }
.vs-facts { margin: 0; display: grid; gap: 0.45rem; }
.vs-facts div { display: grid; grid-template-columns: minmax(0, 11rem) minmax(0, 1fr); gap: 0.75rem; padding-bottom: 0.45rem; border-bottom: 1px solid var(--line); }
.vs-facts dt { color: var(--muted); font-size: 0.9rem; }
.vs-facts dd { margin: 0; font-size: 0.95rem; }
.vs-facts .vs-yours dd { font-weight: 700; font-size: 1.15rem; }
.vs-chart h3 { font-size: 1.15rem; }
.vs-svg { cursor: crosshair; }
.vs-svg:focus-visible { outline: 3px solid var(--teal); outline-offset: 4px; border-radius: 4px; }
.line-prev { fill: none; stroke: var(--mark-prev); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.dot-prev { fill: var(--mark-prev); stroke: var(--card); stroke-width: 2; }
.swatch.line.prev { background: var(--mark-prev); }

@media (max-width: 480px) {
  .vs-facts div { grid-template-columns: minmax(0, 1fr); gap: 0.1rem; }
}

/* ---------- 8. Beyond pay ---------- */

.bp-cards { display: grid; gap: 1rem; }
@media (min-width: 760px) { .bp-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.beyond h3 { font-size: 1.15rem; }
.beyond p { margin-bottom: 0.6rem; }
.badge { display: inline-block; font-size: 0.78rem; font-weight: 650; border-radius: 999px; padding: 0.12rem 0.6rem; margin-bottom: 0.6rem; }
.badge.known { background: var(--teal-soft); color: var(--teal-ink); }
.badge.reported { background: var(--amber-soft); color: var(--amber-ink); }
.badge.unpublished { background: var(--line); color: var(--ink); }
.beyond .beyond-src { font-size: 0.85rem; color: var(--muted); margin: 0; }

/* ---------- 9. Timeline ---------- */

.tl { list-style: none; margin: 0; padding: 0 0 0 1.9rem; position: relative; }
.tl::before { content: ''; position: absolute; left: 0.6rem; top: 0.5rem; bottom: 0.5rem; width: 2px; background: var(--line); }
.tl-item {
  position: relative;
  padding-bottom: 1.3rem;
  transition: opacity 0.4s ease var(--d), transform 0.4s ease var(--d);
}
.tl-item:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute;
  left: -1.72rem;
  top: 0.3rem;
  width: 0.95rem;
  height: 0.95rem;
  border-radius: 50%;
  background: var(--card);
  border: 2px solid var(--mark-pct);
}
.tl-item.past .tl-dot { background: var(--mark-pct); }
.tl-item.now .tl-dot { background: var(--amber); border-color: var(--amber); box-shadow: 0 0 0 4px var(--amber-soft); }
.tl-item.future .tl-dot { border-style: dashed; border-color: var(--muted); }
.tl-item.future .tl-label { color: var(--muted); }
.tl-when { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; margin: 0 0 0.1rem; font-size: 0.88rem; font-weight: 650; color: var(--muted); }
.tl-now { font-size: 0.75rem; font-weight: 700; color: var(--amber-ink); background: var(--amber-soft); border-radius: 999px; padding: 0.05rem 0.5rem; }
.tl-label { margin: 0 0 0.15rem; }
.tl-source { margin: 0; font-size: 0.82rem; color: var(--muted); }
.tl.pre .tl-item { opacity: 0; transform: translateY(6px); }

.union-view { margin-top: 1.25rem; border-left: 4px solid var(--ink); }
.union-view h3 { font-size: 1.1rem; }
.union-view ul { margin: 0; padding-left: 1.1rem; display: grid; gap: 0.3rem; }

/* ---------- 10. Glossary ---------- */

.glossary { margin: 0; display: grid; gap: 0.9rem; }
.glossary dt { font-family: var(--serif); font-weight: 700; font-size: 1.08rem; }
.glossary dt:target { color: var(--teal); }
.glossary dd { margin: 0.15rem 0 0; max-width: var(--measure); }
@media (min-width: 760px) {
  .glossary { grid-template-columns: minmax(0, 14rem) minmax(0, 1fr); gap: 0.9rem 1.5rem; }
  .glossary dd { margin: 0; }
}

button.term {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: help;
  text-decoration: underline dotted;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 0.2em;
}
button.term[aria-expanded="true"] { color: var(--teal); }

.term-pop {
  position: absolute;
  z-index: 30;
  background: var(--ink);
  color: var(--paper);
  border-radius: 8px;
  padding: 0.7rem 0.85rem;
  font-size: 0.92rem;
  line-height: 1.45;
  box-shadow: 0 6px 24px rgb(0 0 0 / 0.18);
}
.term-pop[hidden] { display: none; }
.term-pop strong { display: block; margin-bottom: 0.2rem; }
.term-pop a { color: var(--paper); font-weight: 650; }

/* ---------- 11. Sources ---------- */

.sources h3 { font-size: 1.15rem; margin-top: 1.4rem; }
.sources h3:first-child { margin-top: 0; }
.source-list, .assumption-list { display: grid; gap: 0.45rem; max-width: 52rem; margin: 0 0 0.5rem; padding-left: 1.25rem; }
.src-pub { font-weight: 650; }
.src-note { color: var(--muted); font-size: 0.88rem; }

/* ---------- review fixes: whose figures, caveats, notes, term pop-ups ---------- */

.context-line {
  margin: 0 0 1rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.9rem;
  color: var(--muted);
  border-left: 3px solid var(--mark-pct);
  background: var(--paper);
  border-radius: 0 6px 6px 0;
}
.chapter-body > .context-line { background: var(--card); }

.pay-caveat { font-size: 0.88rem; color: var(--muted); }
.pay-notes { margin: 0; padding-left: 1.1rem; display: grid; gap: 0.3rem; font-size: 0.9rem; color: var(--muted); }
.pay-notes[hidden] { display: none; }

.term-wrap { position: relative; }
.term-pop {
  top: calc(100% + 6px);
  left: 0;
  display: block;
  text-align: left;
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 400;
  letter-spacing: normal;
}