.calc-hero { background: var(--dark); color: var(--dark-text-1); padding: 34px 40px 30px; }
.calc-hero-inner { max-width: var(--max-w); margin: 0 auto; }
.calc-crumb { color: #FF6624; font: 700 11px var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.calc-hero h1 { margin: 9px 0 6px; font-size: clamp(27px,4vw,38px); letter-spacing: -.03em; }
.calc-hero p { max-width: 670px; color: var(--dark-text-2); font-size: 15px; line-height: 1.6; }
.calc-hero p a { color: var(--dark-text-1); text-decoration: underline; text-underline-offset: 3px; }
.calc-shell { max-width: var(--max-w); margin: 0 auto; padding: 30px 40px 72px; display: grid; grid-template-columns: minmax(0,1fr) 390px; gap: 24px; align-items: start; }
.calc-panel, .calc-results { background: var(--white); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.calc-panel-head { padding: 18px 21px; border-bottom: 1px solid var(--border); }
.calc-panel-head h2 { font-size: 18px; margin-bottom: 3px; }
.calc-panel-head p { color: var(--text-3); font-size: 13px; }
.calc-body { padding: 21px; }
.calc-section { padding-bottom: 22px; margin-bottom: 22px; border-bottom: 1px solid var(--border); }
.calc-section:last-child { border: 0; margin: 0; padding: 0; }
.calc-section-title { display: flex; align-items: center; gap: 9px; margin-bottom: 13px; font-weight: 750; font-size: 15px; }
.calc-step { width: 23px; height: 23px; display: grid; place-items: center; border-radius: 50%; background: var(--accent); color:var(--dark); font-size: 11px; }
.calc-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.calc-grid.two { grid-template-columns: repeat(2,1fr); }
.calc-field { display: flex; flex-direction: column; gap: 5px; }
.calc-field label, .calc-group-label { font-size: 12px; color: var(--text-2); font-weight: 650; }
.calc-field input, .calc-field select { width: 100%; padding: 11px 12px; border: 1.5px solid var(--border); border-radius: 7px; background: #fff; color: var(--text-1); font: 14px var(--font); outline: none; }
.calc-field input:focus, .calc-field select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-light); }
.calc-hint { margin-top: 8px; color: var(--text-3); font-size: 11.5px; line-height: 1.5; }
.calc-assumption { margin-top: 10px; padding: 10px 12px; border-left: 3px solid var(--accent); background: var(--accent-light); color: var(--text-2); font-size: 12px; line-height: 1.55; }
.calc-presets { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 10px; }
.calc-presets button, .scenario-button { border: 1px solid var(--border-2); border-radius: 999px; padding: 8px 11px; background: #fff; color: var(--text-2); font: 650 12px var(--font); cursor: pointer; }
.calc-presets button:hover, .scenario-button:hover, .scenario-button.active { border-color: var(--accent); color:var(--accent-ink,#0F0F0E); background: var(--accent-light); }
.calc-results-column { position: sticky; top: calc(var(--nav-h) + 18px); }
.calc-results-column .calc-results { position: static; }
.calc-results { position: sticky; top: calc(var(--nav-h) + 18px); }
.result-hero { padding: 24px; background: var(--dark); color: var(--dark-text-1); }
.result-kicker { color: #FF6624; font: 700 10.5px var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.result-main { margin-top: 8px; font: 700 clamp(34px,5vw,48px) var(--mono); letter-spacing: -.05em; }
.result-main small { font: 500 14px var(--font); color: var(--dark-text-2); letter-spacing: 0; }
.result-sub { margin-top: 5px; color: var(--dark-text-2); font-size: 13px; }
.result-list { padding: 12px 21px 20px; }
.result-row { display: flex; justify-content: space-between; gap: 18px; padding: 11px 0; border-bottom: 1px solid var(--border); font-size: 13.5px; }
.result-row:last-child { border: 0; }
.result-row span { color: var(--text-2); }
.result-row b { text-align: right; font-family: var(--figures, var(--font)); }
.result-good { color: var(--green); }
.result-warn { color: var(--amber); }
.result-danger { color: var(--red); }
/* Dark summaries need the brighter status tokens; light result rows keep their ink colours. */
.result-hero .result-good { color: var(--green-bar); }
.result-hero .result-warn { color: var(--amber-bar); }
.calc-note { margin-top: 16px; padding: 14px 16px; border-radius: 8px; background: var(--surface-2); color: var(--text-2); font-size: 12px; line-height: 1.6; }
.scenario-row { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 14px; }
.adjustment { display: grid; grid-template-columns: 1fr 72px; gap: 12px; align-items: center; margin: 12px 0; }
.adjustment label { font-size: 13px; font-weight: 650; }
.adjustment small { display: block; color: var(--text-3); font-weight: 400; margin-top: 2px; }
.adjustment input { width: 100%; }
.adjustment output { padding: 7px; border-radius: 6px; background: var(--surface-2); text-align: center; font: 600 12px var(--mono); }
.calc-cards { max-width: var(--max-w); margin: 0 auto; padding: 36px 40px 80px; display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.calc-directory { max-width:var(--max-w); margin:0 auto; padding:34px 40px 80px; }
.calc-category { margin-bottom:36px; }
.calc-category-head { display:flex; align-items:end; justify-content:space-between; gap:20px; margin-bottom:14px; padding-bottom:10px; border-bottom:1px solid var(--border); }
.calc-category-head h2 { font-size:20px; }
.calc-category-head p { color:var(--text-3); font-size:12px; }
.calc-category .calc-cards { padding:0; max-width:none; }
.formula-card { display:none !important; }
.calc-choice { display:flex; align-items:center; gap:9px; margin-top:12px; font-size:13px; font-weight:650; }
.calc-choice input { width:18px; height:18px; accent-color:var(--accent); }
.calc-stage[hidden] { display:none; }
.calc-continue { display:inline-flex; margin-top:16px; border:0; cursor:pointer; }
.calc-card { padding: 25px; border: 1px solid var(--border); border-radius: 12px; background: var(--white); transition: transform 150ms, box-shadow 150ms; }
.calc-card:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(0,0,0,.07); }
.calc-card h3 { margin: 11px 0 7px; font-size: 22px; font-weight: 800; letter-spacing: -0.02em; }
.calc-card p { color: var(--text-2); line-height: 1.6; }
.calc-card b { display: inline-block; margin-top: 18px; color:var(--accent-ink,#0F0F0E); }
.formula-card { margin: 0 20px 20px; border: 1px solid var(--border); border-radius: 9px; background: var(--surface-2); overflow: hidden; box-shadow: 0 1px 0 rgba(15,15,14,.03); }
.calc-results-column > .formula-card { margin: 14px 0 0; }
.formula-card summary { min-height: 46px; padding: 13px 15px; cursor: pointer; color: var(--text-1); font-weight: 750; font-size: 13px; list-style: none; display:flex; align-items:center; justify-content:space-between; gap:12px; }
.formula-card summary::-webkit-details-marker { display: none; }
.formula-card summary::after { content: '+'; color:var(--accent-ink,#0F0F0E); font: 700 16px var(--mono); }
.formula-card[open] summary::after { content: '−'; }
.formula-card-body { padding: 0 15px 15px; border-top:1px solid var(--border); color: var(--text-2); font-size: 12px; line-height: 1.6; }
.formula-math { display: block; margin: 8px 0; padding: 9px 10px; border-radius: 6px; background: var(--white); color: var(--text-1); font: 600 11.5px/1.55 var(--mono); overflow-wrap: anywhere; }
.formula-card p + p { margin-top: 8px; }
.mode-tabs { display: flex; gap: 7px; margin-bottom: 16px; }
.mode-tabs button { border: 1px solid var(--border-2); border-radius: 999px; padding: 8px 12px; background: var(--white); color: var(--text-2); font: 700 12px var(--font); cursor: pointer; }
.mode-tabs button.active { border-color: var(--accent); background: var(--accent-light); color:var(--accent-ink,#0F0F0E); }
@media (max-width: 900px) { .calc-shell { grid-template-columns: 1fr; } .calc-results, .calc-results-column { position: static; } }
@media (max-width: 640px) { .calc-hero { padding: 28px 20px 25px; } .calc-shell { padding: 20px 16px 52px; } .calc-grid, .calc-grid.two { grid-template-columns: 1fr; } .calc-cards { padding: 25px 20px 55px; grid-template-columns: 1fr; } .calc-directory{padding:25px 20px 55px}.calc-category .calc-cards{padding:0}.calc-category-head{display:block}.calc-category-head p{margin-top:4px} }

/* A chosen template stays chosen until it is cleared or another is picked. */
.calc-presets button.active,
.calc-presets button[aria-pressed="true"],
.scenario-button.active,
.scenario-button[aria-pressed="true"] {
  border-color: var(--accent); background: var(--accent); color:var(--dark);
}
.calc-presets button.active:hover,
.scenario-button.active:hover { border-color: var(--accent); background: var(--accent); color:var(--dark); }
.calc-presets button:focus-visible, .scenario-button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Adults / children / total, so the 90 kg and 45 kg assumptions are on screen. */
.calc-field-wide { grid-column: 1 / -1; }
.occupants { display: flex; flex-wrap: wrap; gap: 10px; }
.occupant { display: flex; align-items: center; gap: 7px; }
.occupant > label { font-size: 11.5px; font-weight: 700; color: var(--text-3); min-width: 52px; }
.occupant input { width: 74px; }
.occupant > span { font-size: 11.5px; color: var(--text-3); white-space: nowrap; }
.occupant-total input { font-weight: 800; background: var(--surface-2, #F2F0EC); }

/* One working layout for every calculator. Keep reading width stable even when
   the general site container expands on a large monitor. */
body.ff-calculator { --calc-max-w:1280px; --calc-pad:32px; --calc-gap:24px; }
.ff-calculator .calc-shell,
.ff-calculator .gvm-page,
.ff-calculator .bp-wrap {
  width:100%; max-width:var(--calc-max-w); margin:0 auto;
  padding:28px var(--calc-pad) 64px; display:grid;
  grid-template-columns:minmax(0,1fr) 390px; gap:var(--calc-gap); align-items:start;
}
.ff-calculator .calc-hero,.ff-calculator .bp-hero { padding:32px var(--calc-pad) 28px; }
.ff-calculator .calc-hero-inner,.ff-calculator .bp-hero-inner {
  max-width:calc(var(--calc-max-w) - var(--calc-pad) * 2); margin:0 auto;
}
.ff-calculator :is(.calc-shell,.gvm-page,.bp-wrap) > * { min-width:0; }
.ff-calculator :is(.calc-results-column,.calc-results,.gvm-page .summary-panel,.bp-results-column) {
  position:static; height:auto; max-height:none; overflow:visible;
}
.ff-calculator :is(.calc-results-column,.calc-results,.gvm-page .summary-panel,.bp-results-column).calc-sticky-fit {
  position:sticky; top:var(--calc-result-top,calc(var(--nav-h) + 18px));
}
.ff-calculator .calc-results-column .calc-results { position:static; }
.ff-calculator .result-hero { border-radius:11px 11px 0 0; }
.ff-calculator .calc-panel,.ff-calculator .calc-body,.ff-calculator .bp-inputs,
.ff-calculator .bp-acc,.ff-calculator .bp-results,.ff-calculator .calc-context {
  height:auto; max-height:none; overflow:visible;
}
.ff-calculator .calc-grid,.ff-calculator .calc-grid.two,.ff-calculator .bp-row { grid-template-columns:repeat(2,minmax(0,1fr)); }
.ff-calculator .calc-field,.ff-calculator .bp-field { min-width:0; }
.ff-calculator .calc-field label, .ff-calculator .calc-group-label { line-height:1.45; }
.ff-calculator .calc-panel-head,.ff-calculator .calc-body { padding:20px; }
.ff-calculator .bp-vbar { position:static; z-index:auto; box-shadow:none; }
.ff-calculator .bp-vbar-inner { max-width:none; margin:0 0 14px; padding:0; gap:10px; }
.ff-calculator .bp-vbar-inner h2 { margin:0; }
.ff-calculator .bp-panel { padding:20px; }

/* Compact presentation retains the full shared selector and manual-entry API. */
.ff-calculator .cv-panel { padding:14px; gap:10px; }
.ff-calculator .cv-panel-head { gap:4px 12px; }
.ff-calculator .vp { gap:10px; }
.ff-calculator .vp .vp-row { grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px 10px; }
.ff-calculator .vp .vp-actions { margin:0 0 2px; gap:8px 12px; font-size:13px; }
.ff-calculator .vp .vp-actions > * { min-width:0; max-width:100%; }
.ff-calculator .vp .vp-conditions { margin:0; }
.ff-calculator .vp .vp-conditions:empty { display:none; }
.ff-calculator .vp .vp-roof-condition { display:none; }
.ff-calculator .vp .vp-current { margin:2px 0; padding:10px 12px; gap:3px; }
.ff-calculator .vp .vp-current strong { font-size:14px; line-height:1.45; }
.ff-calculator .vp .vp-current-scope { font-size:12px; }
.ff-calculator .vp .vp-specs { grid-template-columns:repeat(2,minmax(0,1fr)); }
.ff-calculator .vp .vp-manual { margin:0; padding:0 12px; }
.ff-calculator .vp .vp-manual summary { min-height:44px; padding:8px 0; display:flex; align-items:center; line-height:1.45; font-size:13px; }
.ff-calculator .vp .vp-manual[open] { padding-bottom:12px; }
.ff-calculator .vp .vp-manual-grid { margin-top:12px; }
.ff-calculator .calc-context { grid-column:1 / -1; border-top:1px solid var(--border); padding-top:24px; }
.ff-calculator .calc-context h2 { font-size:18px; margin:0 0 14px; }
.ff-calculator .calc-context-notes { display:grid; gap:14px; max-width:880px; }
.ff-calculator .calc-context-notes > * { margin:0; }
.ff-calculator .calc-context :is(.vp-caveat,.vp-year-help,.cv-status,.cv-modifications,.bp-vbar-status,.bp-disc,.disclaimer,.calc-note,.calc-roof-context) {
  font-size:13px; line-height:1.65; color:var(--text-2); overflow-wrap:anywhere;
}
.ff-calculator .calc-context .vp-confirmation { margin:0; }
.ff-calculator .calc-context .bp-disc,.ff-calculator .calc-context .disclaimer { padding:0; border:0; }
.ff-calculator .calc-context a { text-decoration:underline; text-underline-offset:3px; }
.ff-calculator .calc-continue,.ff-calculator .calc-presets button,.ff-calculator .scenario-button,
.ff-calculator .mode-tabs button,.ff-calculator .vp-manual button,.ff-calculator .manual-apply,
.ff-calculator .stepper button { display:inline-flex; justify-content:center; align-items:center; text-align:center; min-height:44px; }
@container (max-width:419px) {
  .ff-calculator .vp .vp-row { grid-template-columns:repeat(2,minmax(0,1fr)); }
}
@container (max-width:259px) {
  .ff-calculator .vp .vp-row { grid-template-columns:minmax(0,1fr); }
}
@media (min-width:901px) and (max-width:1100px) {
  body.ff-calculator { --calc-pad:24px; --calc-gap:20px; }
  .ff-calculator .calc-shell,.ff-calculator .gvm-page,.ff-calculator .bp-wrap { grid-template-columns:minmax(0,1fr) 330px; }
}
@media (max-width:900px) {
  body.ff-calculator { --calc-pad:24px; --calc-gap:20px; }
  .ff-calculator .calc-shell,.ff-calculator .gvm-page,.ff-calculator .bp-wrap { grid-template-columns:minmax(0,1fr); }
  .ff-calculator :is(.calc-results-column,.calc-results,.gvm-page .summary-panel,.bp-results-column).calc-sticky-fit { position:static; }
}
@media (max-width:640px) {
  body.ff-calculator { --calc-pad:16px; }
  .ff-calculator .calc-shell,.ff-calculator .gvm-page,.ff-calculator .bp-wrap { padding-top:20px; padding-bottom:48px; }
  .ff-calculator .calc-grid,.ff-calculator .calc-grid.two { grid-template-columns:minmax(0,1fr); }
  .ff-calculator .calc-panel-head,.ff-calculator .calc-body,.ff-calculator .bp-panel { padding:16px; }
  .ff-calculator .cv-panel { padding:12px; }
  .ff-calculator .bp-vbar-inner { padding:0; }
  .ff-calculator .vp .vp-manual-grid { grid-template-columns:minmax(0,1fr); }
}
@media print {
  .ff-calculator .calc-shell,.ff-calculator .gvm-page,.ff-calculator .bp-wrap { max-width:none; padding:0; display:block; }
  .ff-calculator :is(.calc-results-column,.calc-results,.gvm-page .summary-panel,.bp-results-column).calc-sticky-fit { position:static; }
  .ff-calculator :is(.calc-section,.bp-panel,.bp-check,.config-card,.result-row,.limit-row) { break-inside:avoid; }
  .ff-calculator :is(.config-card-header,.calc-section-title,.calc-context h2) { break-after:avoid; }
  .ff-calculator :is(.calc-results-column,.summary-panel,.bp-results-column) { margin-top:18px; }
  .ff-calculator .calc-context p { orphans:3; widows:3; }
}

/* A result column must stay in its grid row above full-width notes. */
.ff-calculator .bp-results-column { position:static!important; align-self:start; }
.ff-calculator .bp-wrap > .calc-context { clear:both; grid-column:1 / -1; }
.vp-more-fields { margin:16px 0; }
.vp-more-fields summary { margin-bottom:12px; cursor:pointer; }
.bp-verdict .bp-primary-number { display:block;font:800 clamp(34px,5vw,52px)/1.15 'Outfit',sans-serif;margin:8px 0; }
.bp-verdict.pass .bp-primary-number { color:#087a3a; }
.bp-verdict.fail .bp-primary-number { color:#DB1A1A; }
.bp-verdict.warn .bp-primary-number { color:#965500; }
.bp-verdict-details { padding:16px 20px;border:1px solid var(--border);border-radius:var(--radius);background:var(--white); }
.bp-verdict-details p { margin:10px 0 0;line-height:1.6; }