/*
 * IWD shared calculator layout. Every rule is scoped under .iwd-tool so it
 * cannot leak into the theme. Colors and fonts come from the theme palette
 * variables, with hex fallbacks so the layout also works under any other theme.
 *
 * Markup: .iwd-tool > .iwd-tool__steps (fieldset.iwd-tool__step, numbered)
 *         + .iwd-tool__result (.iwd-tool__figure, .iwd-tool__stats)
 *         + .iwd-tool__explain; below: .iwd-tool__chart, .iwd-tool__table.
 */
.iwd-tool {
  --iwd-heading: var(--wp--preset--font-family--heading, "Segoe UI", system-ui, sans-serif);
  --iwd-body: var(--wp--preset--font-family--body, "Segoe UI", system-ui, sans-serif);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 28px;
  align-items: start;
  margin: 24px 0;
  color: var(--wp--preset--color--ink, #22324A);
  font-family: var(--iwd-body);
  font-size: 17px;
  line-height: 1.6;
}
.iwd-tool *,
.iwd-tool *::before,
.iwd-tool *::after { box-sizing: border-box; }

/* Inputs: numbered steps */
.iwd-tool .iwd-tool__steps {
  background: var(--wp--preset--color--white, #FFFFFF);
  border: 1px solid var(--wp--preset--color--line, #DDE4EC);
  border-radius: 22px;
  padding: 8px 28px;
  counter-reset: iwd-step;
}
.iwd-tool .iwd-tool__step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 4px 16px;
  margin: 0;
  min-width: 0;
  padding: 24px 0;
  border: 0;
  border-bottom: 1px solid var(--wp--preset--color--line, #DDE4EC);
  counter-increment: iwd-step;
}
.iwd-tool .iwd-tool__step:last-child { border-bottom: 0; }
.iwd-tool .iwd-tool__step::before {
  content: counter(iwd-step);
  grid-row: 1 / span 3;
  width: 36px;
  height: 36px;
  border: 2px solid var(--wp--preset--color--navy, #0B2545);
  border-radius: 50%;
  color: var(--wp--preset--color--navy, #0B2545);
  display: grid;
  place-items: center;
  font: 750 16px var(--iwd-heading);
}
.iwd-tool .iwd-tool__step > * { grid-column: 2; min-width: 0; }
.iwd-tool .iwd-tool__step legend {
  float: left;
  width: 100%;
  padding: 0;
  margin: 5px 0 4px;
  color: var(--wp--preset--color--navy, #0B2545);
  font: 650 20px/1.2 var(--iwd-heading);
}
.iwd-tool .iwd-tool__hint {
  margin: 0 0 14px;
  color: var(--wp--preset--color--muted, #5A6A80);
  font-size: 15px;
}
.iwd-tool label {
  display: block;
  margin: 0 0 6px;
  color: var(--wp--preset--color--ink, #22324A);
  font-weight: 700;
}
.iwd-tool input[type="number"],
.iwd-tool input[type="text"],
.iwd-tool select {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--wp--preset--color--line, #DDE4EC);
  border-radius: 12px;
  background: var(--wp--preset--color--white, #FFFFFF);
  color: var(--wp--preset--color--navy, #0B2545);
  font: 700 20px var(--iwd-body);
  font-variant-numeric: tabular-nums;
}
.iwd-tool input:focus,
.iwd-tool select:focus {
  outline: none;
  border-color: var(--wp--preset--color--navy, #0B2545);
  box-shadow: 0 0 0 3px var(--wp--preset--color--gold-soft, #F7EFD3);
}
.iwd-tool input[type="range"] {
  width: 100%;
  height: 24px;
  margin: 16px 0 2px;
  accent-color: var(--wp--preset--color--navy, #0B2545);
}
.iwd-tool a:focus-visible,
.iwd-tool button:focus-visible,
.iwd-tool input:focus-visible,
.iwd-tool select:focus-visible {
  outline: 3px solid var(--wp--preset--color--gold, #C9A227);
  outline-offset: 2px;
}
.iwd-tool .iwd-tool__error {
  margin: 8px 0 0;
  color: #A23B2B;
  font-size: 14px;
}

/* Result card */
.iwd-tool .iwd-tool__result {
  position: sticky;
  top: 24px;
  padding: 30px 30px 26px;
  overflow: hidden;
  border-radius: 22px;
  background: var(--wp--preset--color--navy, #0B2545);
  color: #DCE5F0;
}
.iwd-tool .iwd-tool__label,
.iwd-tool .iwd-tool__sub {
  color: var(--wp--preset--color--mist, #EEF3F8);
  font-size: 15px;
}
.iwd-tool .iwd-tool__figure {
  margin: 6px 0 4px;
  color: var(--wp--preset--color--white, #FFFFFF);
  font: 750 clamp(54px, 6.4vw, 80px)/1 var(--iwd-heading);
  letter-spacing: -.035em;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}
.iwd-tool .iwd-tool__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 24px 0 22px;
  overflow: hidden;
  border-radius: 14px;
  background: rgba(255, 255, 255, .12);
}
.iwd-tool .iwd-tool__stats > div {
  padding: 14px 16px;
  background: #123158;
}
.iwd-tool .iwd-tool__stats small {
  display: block;
  color: var(--wp--preset--color--mist, #EEF3F8);
  font-size: 13px;
}
.iwd-tool .iwd-tool__stats b {
  color: var(--wp--preset--color--white, #FFFFFF);
  font: 650 24px/1.2 var(--iwd-heading);
  font-variant-numeric: tabular-nums;
}
.iwd-tool .iwd-tool__stats > .iwd-tool__stat--key b { color: #F0D97A; }

/* Plain-English explanation sentence */
.iwd-tool .iwd-tool__explain {
  margin: 0;
  padding: 18px 20px;
  border-radius: 14px;
  background: var(--wp--preset--color--white, #FFFFFF);
  color: var(--wp--preset--color--ink, #22324A);
  font-size: 17px;
  line-height: 1.6;
}
.iwd-tool .iwd-tool__explain strong { color: var(--wp--preset--color--navy, #0B2545); }
/* "Explain this result" (F-12): a short line under the verdict, filled by IWDKit.renderExplain */
.iwd-tool .iwd-tool__explain-text {
  margin: 14px 0 0;
  color: var(--wp--preset--color--mist, #EEF3F8);
  font-size: 16px;
  line-height: 1.55;
}

/* Breakdown below the calculator: chart + table span both columns */
.iwd-tool .iwd-tool__chart,
.iwd-tool .iwd-tool__table { grid-column: 1 / -1; min-width: 0; }
.iwd-tool .iwd-tool__chart {
  display: flex;
  height: 56px;
  overflow: hidden;
  border-radius: 12px;
  background: var(--wp--preset--color--mist, #EEF3F8);
}
.iwd-tool .iwd-tool__chart > * { height: 100%; min-width: 0; }
.iwd-tool .iwd-tool__chart > .iwd-tool__chart--top { box-shadow: inset 0 0 0 3px var(--wp--preset--color--gold, #C9A227); }
.iwd-tool .iwd-tool__table { overflow-x: auto; }
.iwd-tool .iwd-tool__table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 16px;
}
.iwd-tool .iwd-tool__table th {
  padding: 0 10px 10px;
  border-bottom: 2px solid var(--wp--preset--color--navy, #0B2545);
  color: var(--wp--preset--color--muted, #5A6A80);
  font: 700 14px var(--iwd-body);
  text-align: left;
}
.iwd-tool .iwd-tool__table td {
  padding: 13px 10px;
  border-bottom: 1px solid var(--wp--preset--color--line, #DDE4EC);
  font-variant-numeric: tabular-nums;
}
.iwd-tool .iwd-tool__table th:nth-child(n+3),
.iwd-tool .iwd-tool__table td:nth-child(n+3) { text-align: right; }
.iwd-tool .iwd-tool__table tr.is-active td { background: var(--wp--preset--color--gold-soft, #F7EFD3); }
.iwd-tool .iwd-tool__table tr.is-active td:first-child {
  color: var(--wp--preset--color--navy, #0B2545);
  font-weight: 700;
}
.iwd-tool .iwd-tool__table tr.is-off td { color: var(--wp--preset--color--muted, #5A6A80); }
.iwd-tool .iwd-tool__table tfoot td {
  border-top: 2px solid var(--wp--preset--color--navy, #0B2545);
  border-bottom: 0;
  color: var(--wp--preset--color--navy, #0B2545);
  font-weight: 700;
}

/* Result toolkit (assets/iwd-tool-kit.js): share / print / CSV buttons */
.iwd-tool .iwd-tool__print { display: none; }
.iwd-tool .iwd-tool__kit {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
}
.iwd-tool .iwd-tool__kit [hidden] { display: none; }
.iwd-tool .iwd-tool__kit-btn {
  min-height: 44px;
  min-width: 44px;
  padding: 10px 18px;
  border: 2px solid var(--wp--preset--color--navy, #0B2545);
  border-radius: 10px;
  background: var(--wp--preset--color--white, #FFFFFF);
  color: var(--wp--preset--color--navy, #0B2545);
  font: 700 16px var(--iwd-body);
  cursor: pointer;
}
.iwd-tool .iwd-tool__kit-btn:hover { background: var(--wp--preset--color--mist, #EEF3F8); }
.iwd-tool .iwd-tool__kit-link { flex: 1 1 100%; font-size: 15px; }
.iwd-tool .iwd-tool__kit-status {
  flex: 1 1 100%;
  min-height: 1.6em;
  margin: 0;
  color: var(--wp--preset--color--muted, #5A6A80);
  font-size: 15px;
}

/* Saved scenarios and compare (assets/iwd-tool-kit.js, tools that set data-kit-scenarios) */
.iwd-tool .iwd-tool__sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.iwd-tool .iwd-tool__scen {
  grid-column: 1 / -1;
  min-width: 0;
  background: var(--wp--preset--color--white, #FFFFFF);
  border: 1px solid var(--wp--preset--color--line, #DDE4EC);
  border-radius: 16px;
  padding: 20px 24px;
}
.iwd-tool .iwd-tool__scen [hidden] { display: none; }
.iwd-tool .iwd-tool__scen-title,
.iwd-tool .iwd-tool__compare-title { margin: 0 0 8px; color: var(--wp--preset--color--navy, #0B2545); font: 650 18px/1.3 var(--iwd-heading); }
.iwd-tool .iwd-tool__scen .iwd-tool__hint { margin: 0 0 12px; }
.iwd-tool .iwd-tool__scen-note { margin: 0; color: var(--wp--preset--color--muted, #5A6A80); font-size: 15px; }
.iwd-tool .iwd-tool__scen-actions { display: flex; flex-wrap: wrap; gap: 10px 12px; margin: 0 0 14px; }
.iwd-tool .iwd-tool__scen-list { display: grid; gap: 10px; margin: 0 0 14px; padding: 0; list-style: none; }
.iwd-tool .iwd-tool__scen-list:empty { display: none; }
.iwd-tool .iwd-tool__scen-item { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; }
.iwd-tool .iwd-tool__scen-name {
  flex: 1 1 14em;
  min-width: 0;
  min-height: 44px;
  padding: 8px 12px;
  border: 1.5px solid var(--wp--preset--color--line, #DDE4EC);
  border-radius: 10px;
  color: var(--wp--preset--color--ink, #22324A);
  font: 400 16px var(--iwd-body);
}
.iwd-tool .iwd-tool__scen-pick { display: flex; flex-wrap: wrap; gap: 10px 16px; margin: 0 0 8px; }
.iwd-tool .iwd-tool__scen-field { flex: 1 1 14em; min-width: 0; }
.iwd-tool .iwd-tool__scen-field label { display: block; font-weight: 700; }
.iwd-tool .iwd-tool__scen-field select { width: 100%; min-height: 44px; font: inherit; }
.iwd-tool .iwd-tool__compare { margin-top: 8px; }
.iwd-tool .iwd-tool__compare-scroll { overflow-x: auto; }
.iwd-tool .iwd-tool__compare table { width: 100%; border-collapse: collapse; font-size: 16px; }
.iwd-tool .iwd-tool__compare th {
  padding: 8px 10px;
  border-bottom: 2px solid var(--wp--preset--color--navy, #0B2545);
  color: var(--wp--preset--color--muted, #5A6A80);
  font: 700 14px var(--iwd-body);
  text-align: left;
  overflow-wrap: anywhere;
}
.iwd-tool .iwd-tool__compare tbody th { border-bottom: 1px solid var(--wp--preset--color--line, #DDE4EC); color: var(--wp--preset--color--ink, #22324A); font-size: 1em; font-weight: 400; }
.iwd-tool .iwd-tool__compare td { padding: 12px 10px; border-bottom: 1px solid var(--wp--preset--color--line, #DDE4EC); font-variant-numeric: tabular-nums; }
.iwd-tool .iwd-tool__compare .num { text-align: right; }
.iwd-tool .iwd-tool__compare-diff { color: var(--wp--preset--color--navy, #0B2545); font-weight: 700; }

/* "Show the math": native <details>, closed by default; steps filled by assets/iwd-tool-kit.js */
.iwd-tool .iwd-tool__math {
  grid-column: 1 / -1;
  min-width: 0;
  background: var(--wp--preset--color--white, #FFFFFF);
  border: 1px solid var(--wp--preset--color--line, #DDE4EC);
  border-radius: 16px;
  padding: 0 24px;
}
.iwd-tool .iwd-tool__math > summary {
  min-height: 44px;
  padding: 12px 0;
  color: var(--wp--preset--color--navy, #0B2545);
  font: 650 18px var(--iwd-heading);
  cursor: pointer;
}
.iwd-tool .iwd-tool__math > summary:focus-visible { outline: 3px solid var(--wp--preset--color--gold, #C9A227); outline-offset: 2px; border-radius: 6px; }
.iwd-tool .iwd-tool__math[open] > summary { border-bottom: 1px solid var(--wp--preset--color--line, #DDE4EC); margin-bottom: 14px; }
.iwd-tool .iwd-tool__math-steps { margin: 0 0 20px; padding: 0; list-style: none; counter-reset: iwd-math; }
.iwd-tool .iwd-tool__math-step {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2px 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--wp--preset--color--line, #DDE4EC);
  counter-increment: iwd-math;
}
.iwd-tool .iwd-tool__math-step:last-child { border-bottom: 0; }
.iwd-tool .iwd-tool__math-label { grid-area: 1 / 1; color: var(--wp--preset--color--navy, #0B2545); font-weight: 700; }
.iwd-tool .iwd-tool__math-label::before { content: counter(iwd-math) ". "; color: var(--wp--preset--color--muted, #5A6A80); font-weight: 400; }
.iwd-tool .iwd-tool__math-value { grid-area: 1 / 2; color: var(--wp--preset--color--navy, #0B2545); font-variant-numeric: tabular-nums; text-align: right; }
.iwd-tool .iwd-tool__math-formula { grid-column: 1 / -1; min-width: 0; overflow-wrap: anywhere; color: var(--wp--preset--color--ink, #22324A); font-variant-numeric: tabular-nums; }
.iwd-tool .iwd-tool__math-src { grid-column: 1 / -1; color: var(--wp--preset--color--muted, #5A6A80); font-size: 13px; line-height: 1.4; }
.iwd-tool .iwd-tool__math-note { padding: 10px 0 0; border-top: 1px solid var(--wp--preset--color--line, #DDE4EC); color: var(--wp--preset--color--muted, #5A6A80); font-size: 14px; }

/* The trust strip under a tool (F-02) is styled in iwd-tool-trust.css, which the strip enqueues itself. */

@media (max-width: 920px) {
  .iwd-tool { grid-template-columns: 1fr; }
  .iwd-tool .iwd-tool__result { position: static; }
}
@media (max-width: 480px) {
  .iwd-tool .iwd-tool__steps { padding: 4px 18px; }
  .iwd-tool .iwd-tool__step { grid-template-columns: 1fr; gap: 6px; }
  .iwd-tool .iwd-tool__step > *,
  .iwd-tool .iwd-tool__step legend { grid-column: 1; }
  .iwd-tool .iwd-tool__step::before { grid-row: auto; }
  .iwd-tool .iwd-tool__result { padding: 24px 20px; }
  .iwd-tool .iwd-tool__stats { grid-template-columns: 1fr 1fr; }
  .iwd-tool .iwd-tool__stats > div:first-child { grid-column: 1 / -1; }
  .iwd-tool .iwd-tool__scen { padding: 16px 14px; }
  .iwd-tool .iwd-tool__compare table { font-size: 14px; }
  .iwd-tool .iwd-tool__compare th,
  .iwd-tool .iwd-tool__compare td { padding-left: 4px; padding-right: 4px; }
  .iwd-tool .iwd-tool__table table { font-size: 14px; }
  .iwd-tool .iwd-tool__table th,
  .iwd-tool .iwd-tool__table td { padding-left: 6px; padding-right: 6px; }
}
@media (prefers-reduced-motion: reduce) {
  .iwd-tool * { transition: none !important; animation: none !important; }
}