/* ============ Free tools (builder E) — extends .tool / .panel / .tool__out / .big-num / .kv / .seg in site.css ============ */

/* compact hero so the tool is visible early on mobile */
.page-hero--tool { padding-block: clamp(36px, 5vw, 64px) clamp(28px, 4vw, 48px); }
.page-hero--tool .display { font-size: clamp(34px, 4.6vw, 58px); margin-bottom: 14px; }
.page-hero--tool .page-hero__intro { max-width: 700px; }

.tool-sec { padding-block: clamp(24px, 3.5vw, 48px) clamp(48px, 6vw, 88px); }
.tool-after { padding-bottom: clamp(48px, 6vw, 88px); }
.tool-sec + .tool-after { margin-top: calc(-1 * clamp(24px, 3vw, 56px)); }

/* input panel */
.tool__in { display: grid; gap: 20px; align-content: start; }
.tool__in > h2, .tool__h { font: 500 12px/16px var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--gold-ink); margin: 0; display: flex; align-items: center; gap: 12px; }
.tool__h::after, .tool__in > h2::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.tool .field > span { font-size: 11px; letter-spacing: .09em; }
.tool .field input, .tool .field select { padding: 11px 12px; font-size: 16px; min-width: 0; }
.tool .field small { font-size: 12px; color: var(--muted); line-height: 1.45; }
.tool select { appearance: none; -webkit-appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 17px) 52%, calc(100% - 12px) 52%; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; padding-right: 32px !important; }
.tgrid { display: grid; gap: 14px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.tgrid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.tgrid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.tgrid--1 { grid-template-columns: 1fr; }
.tgrid .span-2 { grid-column: span 2; }
.tgrid .span-all { grid-column: 1 / -1; }
@media (max-width: 520px) { .tgrid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .tgrid--3.tgrid--wrap { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 360px) { .tgrid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.t-seg { border: 0; padding: 0; margin: 0; min-width: 0; display: grid; gap: 8px; }
.t-seg legend { font: 500 11px/16px var(--sans); letter-spacing: .09em; text-transform: uppercase; color: var(--muted); padding: 0; margin-bottom: 8px; }
.t-seg .seg { max-width: 100%; }
.seg label { position: relative; }
.seg label:has(input:focus-visible) { outline: 2px solid var(--gold); outline-offset: 2px; }
.check { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; cursor: pointer; line-height: 1.4; }
.check input { width: 18px; height: 18px; accent-color: var(--gold); flex: none; margin: 0; }
.tool input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 22px; margin: 2px 0 0; padding: 0; border: 0; background: transparent; cursor: pointer; }
.tool input[type=range]::-webkit-slider-runnable-track { height: 4px; border-radius: 4px; background: linear-gradient(to right, var(--gold) var(--fill, 0%), var(--line) var(--fill, 0%)); }
.tool input[type=range]::-moz-range-track { height: 4px; border-radius: 4px; background: var(--line); }
.tool input[type=range]::-moz-range-progress { height: 4px; border-radius: 4px; background: var(--gold); }
.tool input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%; background: var(--gold); border: 3px solid var(--card); box-shadow: 0 0 0 1px var(--gold), 0 2px 6px rgba(0,0,0,.15); margin-top: -8px; }
.tool input[type=range]::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: var(--gold); border: 3px solid var(--card); box-shadow: 0 0 0 1px var(--gold); }
.tool input[type=range]:focus-visible { outline: none; }
.tool input[type=range]:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 3px var(--gold-soft), 0 0 0 1px var(--gold); }
.slider { display: grid; gap: 6px; }
.slider__top { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; }
.slider__top > span { font: 500 11px/16px var(--sans); letter-spacing: .09em; text-transform: uppercase; color: var(--muted); }
.slider__top input { width: 9.5em; text-align: right; }
.slider__ends { display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); }

/* result panel */
.tool__out { display: grid; gap: 4px; align-content: start; }
.tool__out .eyebrow { margin-bottom: 4px; }
.out-sub { color: var(--muted); font-size: 14px; margin: 0; }
.out-sub strong { color: var(--ink); font-weight: 500; }
.tool__out .kv { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.kv dt small, .kv dd small { display: block; font-size: 12px; color: var(--muted); font-weight: 400; }
.kv .kv-total { font-weight: 600; color: var(--ink); }
.tool__actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); }
.tool__share { margin: 10px 0 0; }
.out-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 16px; margin-top: 12px; }
.out-stat { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; background: var(--card); }
.out-stat b { display: block; font: 300 24px/1.2 var(--serif); font-variant-numeric: tabular-nums; color: var(--ink); }
.out-stat span { font-size: 12px; color: var(--muted); letter-spacing: .04em; }
.big-num small { font: 400 15px var(--sans); color: var(--muted); margin-left: 6px; }

/* notes */
.t-note { font-size: 13px; color: var(--muted); margin: 0; line-height: 1.55; }
.t-note a, .t-prose a, .t-sources a { color: var(--gold-ink); text-decoration: underline; text-underline-offset: 3px; }
.t-callout { background: var(--cream); border: 1px solid var(--line); border-left: 2px solid var(--gold); border-radius: 10px; padding: 14px 16px; font-size: 14px; color: var(--muted); }
.t-callout strong { color: var(--ink); font-weight: 500; }
.t-warn { border-left-color: #b3452f; }

/* dynamic rows (rooms, appliances) */
.rows { display: grid; gap: 12px; }
.rowcard { border: 1px solid var(--line); border-radius: 12px; padding: 14px; display: grid; gap: 12px; background: var(--cream); }
.rowcard__head { display: flex; gap: 10px; align-items: center; }
.rowcard__head input { flex: 1; min-width: 0; border: 0; border-bottom: 1px dashed var(--line); background: transparent; padding: 4px 0; font: 300 19px/1.3 var(--serif); color: var(--ink); border-radius: 0; }
.rowcard__head input:focus { outline: none; border-bottom-color: var(--gold); }
.x-btn { flex: none; width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--line); background: var(--card); color: var(--muted); font-size: 18px; line-height: 1; cursor: pointer; display: grid; place-items: center; }
.x-btn:hover { border-color: #b3452f; color: #b3452f; }
.add-btn { justify-self: start; border: 1.5px dashed var(--gold); background: transparent; color: var(--gold-ink); border-radius: 999px; padding: 9px 18px; font: 500 12px/16px var(--sans); letter-spacing: .08em; text-transform: uppercase; cursor: pointer; }
.add-btn:hover { background: var(--gold-soft); }

/* guide / reference */
.tool-guide { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(32px, 5vw, 72px); }
@media (max-width: 800px) { .tool-guide { grid-template-columns: 1fr; } }
.steps { list-style: none; counter-reset: s; display: grid; gap: 14px; margin-top: 18px; }
.steps li { counter-increment: s; position: relative; padding-left: 44px; color: var(--muted); }
.steps li::before { content: counter(s, decimal-leading-zero); position: absolute; left: 0; top: 0; font: 300 20px/1.3 var(--serif); color: var(--gold); }
.steps strong { color: var(--ink); font-weight: 500; }
.t-prose { color: var(--muted); }
.t-prose > * + * { margin-top: .9em; }
.t-prose p { margin: 0; }
.t-prose ul, .t-prose ol { padding-left: 1.2em; }
.t-prose li + li { margin-top: .35em; }
.t-prose strong { color: var(--ink); font-weight: 500; }
.t-prose h3 { font-size: 21px; margin-top: 1.4em; color: var(--ink); }
.t-prose .table-wrap { margin-top: 16px; }
.formula { display: block; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; font: 400 14px/1.7 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: var(--ink); overflow-x: auto; white-space: pre-wrap; }
.t-sources { font-size: 13px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 18px; }
.t-sources ul { padding-left: 1.2em; display: grid; gap: 6px; margin-top: 8px; }
.tool-rel { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.table caption { text-align: left; }
.table td small { color: var(--muted); }

/* mobile result peek */
.tool-peek { display: none; }
@media (max-width: 900px) {
  .tool-peek:not([hidden]) { position: fixed; left: 12px; right: 84px; bottom: 18px; z-index: 59; display: flex; align-items: center; gap: 10px; padding: 10px 16px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); color: var(--ink); box-shadow: var(--shadow); cursor: pointer; text-align: left; font: inherit; }
  .tool-peek__l { font: 500 10px/14px var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--gold-ink); flex: none; max-width: 40%; }
  .tool-peek__v { font: 300 19px/1.2 var(--serif); flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-variant-numeric: tabular-nums; }
  .tool-peek__go { color: var(--gold); }
  .tool__out { position: static; }
}

/* badges (vastu, warnings) */
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: 999px; font: 500 11px/16px var(--sans); letter-spacing: .1em; text-transform: uppercase; }
.badge--good { background: color-mix(in srgb, #2f7a4a 14%, transparent); color: #2f7a4a; }
.badge--ok { background: var(--gold-soft); color: var(--gold-ink); }
.badge--bad { background: color-mix(in srgb, #b3452f 13%, transparent); color: #b3452f; }
:root[data-theme="dark"] .badge--good { color: #86c99c; }
:root[data-theme="dark"] .badge--bad { color: #e58c78; }

/* hub */
.hub-group + .hub-group { margin-top: clamp(48px, 6vw, 80px); }
.hub-group .grid { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
.hub-group__head { max-width: 640px; margin-bottom: 24px; }
.hub-group__head p { color: var(--muted); margin: 0; }
.tool-card .pill { margin-top: -2px; }
.hub-jump { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.hub-jump a { border: 1px solid var(--line); border-radius: 999px; padding: 7px 14px; font-size: 13px; background: var(--card); }
.hub-jump a:hover { border-color: var(--gold); }

/* print: just the tool */
@media print { .hdr, .ftr, .wa-float, .tool-peek, .tool__actions, .cta-band, .faq, .tool-rel { display: none !important; } .tool { grid-template-columns: 1fr 1fr; } }

/* EMI */
.emi-bar { display: flex; height: 10px; border-radius: 999px; overflow: hidden; background: var(--line); margin-top: 14px; }
.emi-bar span { display: block; height: 100%; transition: width .3s; }
#barP { background: var(--brown); }
#barI { background: var(--gold); }
.emi-legend { display: flex; gap: 18px; font-size: 12px; color: var(--muted); margin-top: 8px; }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 6px; vertical-align: 0; }
.dot--p { background: var(--brown); }
.dot--i { background: var(--gold); }
.amort__t .pre-col { display: none; }
.amort__t.has-pre .pre-col { display: table-cell; }
.amort__t { min-width: 560px; }
.amort__yr th { font-weight: 500; }
.amort__yr button { background: none; border: 0; padding: 0; cursor: pointer; font: 500 14px var(--sans); color: var(--ink); display: inline-flex; align-items: center; gap: 8px; }
.amort__yr button::before { content: "+"; color: var(--gold); font-size: 16px; width: 12px; transition: transform .2s; }
.amort__yr button[aria-expanded="true"]::before { content: "–"; }
.amort__mo td { background: var(--cream); font-size: 13px; color: var(--muted); }
.amort .section-head { align-items: flex-end; }

/* visibility toggles inside tools must beat display:grid */
.tool [hidden], .tool-after [hidden] { display: none !important; }
.t-more { border-top: 1px solid var(--line); padding-top: 12px; }
.t-more summary { cursor: pointer; font-size: 13px; color: var(--gold-ink); list-style: none; }
.t-more summary::-webkit-details-marker { display: none; }
.t-more summary::before { content: "+ "; }
.t-more[open] summary::before { content: "– "; }
.rowcard__chk { align-self: end; padding-bottom: 12px; }
.paint-rooms .table { min-width: 560px; }

/* electricity: appliance rows */
.appl { gap: 8px; }
.appl-head, .appl-row { display: grid; grid-template-columns: minmax(0, 1fr) 54px 70px 62px 34px; gap: 8px; align-items: center; }
.appl-head { margin-bottom: -10px; }
.appl-head span { font: 500 10px/14px var(--sans); letter-spacing: .09em; text-transform: uppercase; color: var(--muted); }
.appl-row input { width: 100%; min-width: 0; border: 1px solid var(--line); background: var(--bg); border-radius: 8px; padding: 9px 8px; font-size: 15px; }
.appl-row input:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px var(--gold-soft); }
.appl-row label { display: block; min-width: 0; }
.appl-l { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.appl-add select { width: 100%; max-width: 340px; color: var(--gold-ink); border-style: dashed; border-color: var(--gold); }
@media (max-width: 520px) {
  .appl-head { display: none; }
  .appl-row { grid-template-columns: repeat(3, minmax(0, 1fr)) 34px; grid-template-areas: "n n n x" "q w h ."; padding: 10px; border: 1px solid var(--line); border-radius: 12px; background: var(--cream); }
  .appl-row .appl-name { grid-area: n; } .appl-row .x-btn { grid-area: x; }
  .appl-l { position: static; width: auto; height: auto; clip: auto; display: block; font: 500 10px/14px var(--sans); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 3px; }
}
.share { display: inline-block; width: 90px; height: 6px; background: var(--line); border-radius: 6px; overflow: hidden; vertical-align: middle; margin-right: 8px; }
.share i { display: block; height: 100%; background: var(--gold); }
.appl-split .table { min-width: 480px; }
.out-stat b { font-size: 21px; }

/* AC */
.ac-checks { display: grid; gap: 10px; }
.ac-scale { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-top: 14px; }
.ac-scale span { text-align: center; padding: 8px 0; border-radius: 8px; border: 1px solid var(--line); font-size: 13px; color: var(--muted); background: var(--card); transition: .2s; }
.ac-scale span.is-on { background: var(--gold); border-color: var(--gold); color: #fff; font-weight: 500; }

/* construction */
.cc-after .table-wrap { margin-top: 0; }
.cc-after .eyebrow { margin-bottom: 12px; }

/* vastu compass */
.compass-wrap { border: 0; padding: 0; margin: 0; min-width: 0; }
.compass-wrap legend { margin-bottom: 12px; padding: 0; }
.compass { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; max-width: 420px; position: relative; }
.compass__cell { position: relative; aspect-ratio: 1.25; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; border: 1.5px solid var(--line); border-radius: 12px; cursor: pointer; background: var(--card); transition: border-color .2s, background .2s, transform .15s; text-align: center; padding: 6px; }
.compass__cell input { position: absolute; opacity: 0; pointer-events: none; }
.compass__d { font: 300 22px/1 var(--serif); color: var(--ink); }
.compass__cell[data-d="c"] .compass__d { font-size: 16px; }
.compass__r { font: 500 10px/14px var(--sans); letter-spacing: .08em; text-transform: uppercase; }
.compass__cell.is-g { background: color-mix(in srgb, #2f7a4a 9%, var(--card)); } .compass__cell.is-g .compass__r { color: #2f7a4a; }
.compass__cell.is-a { background: color-mix(in srgb, var(--gold) 9%, var(--card)); } .compass__cell.is-a .compass__r { color: var(--gold-ink); }
.compass__cell.is-x { background: color-mix(in srgb, #b3452f 8%, var(--card)); } .compass__cell.is-x .compass__r { color: #b3452f; }
.compass__cell.is-na { opacity: .45; cursor: not-allowed; }
.compass__cell.is-na .compass__r { color: var(--muted); }
.compass__cell:has(input:checked) { border-color: var(--ink); box-shadow: 0 0 0 2px var(--gold); transform: scale(1.02); }
.compass__cell:has(input:focus-visible) { outline: 2px solid var(--gold); outline-offset: 3px; }
:root[data-theme="dark"] .compass__cell.is-g .compass__r { color: #86c99c; }
:root[data-theme="dark"] .compass__cell.is-x .compass__r { color: #e58c78; }
.compass-key { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12px; color: var(--muted); }
.k { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.k--g { background: #2f7a4a; } .k--a { background: var(--gold); } .k--x { background: #b3452f; }
.vastu-badge { margin: 4px 0 6px; }
.vastu-title { font: 300 clamp(26px, 2.8vw, 34px)/1.2 var(--serif); font-variation-settings: "SOFT" 0, "WONK" 1; color: var(--ink); margin: 0 0 8px; }
.vastu-list { list-style: none; display: grid; gap: 8px; font-size: 14px; color: var(--muted); }
.vastu-list li { position: relative; padding-left: 18px; }
.vastu-list li::before { content: ""; position: absolute; left: 0; top: .6em; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); }

/* room planner */
.planner { display: grid; grid-template-columns: minmax(280px, 340px) minmax(0, 1fr); gap: 24px; align-items: start; }
.planner__side { position: sticky; top: calc(var(--hdr-h) + 20px); max-height: calc(100vh - var(--hdr-h) - 40px); overflow-y: auto; }
.planner__main { display: grid; gap: 14px; min-width: 0; }
.planner__bar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 10px 12px; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }
.planner__sel { font: 300 18px/1.3 var(--serif); color: var(--ink); margin-right: auto; min-width: 0; }
.planner__xy { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
.planner__xy input { width: 74px; border: 1px solid var(--line); border-radius: 8px; padding: 7px 8px; background: var(--bg); font-size: 15px; }
.planner__xy input:disabled { opacity: .5; }
.planner__bar .btn { padding: 8px 14px; }
.planner__stage { background: var(--cream); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(8px, 2vw, 20px); }
.planner__stage svg { width: 100%; height: auto; max-height: 78vh; display: block; margin-inline: auto; user-select: none; -webkit-user-select: none; }
.planner__stage svg:focus { outline: none; }
.pi { cursor: grab; touch-action: none; }
.pi:active { cursor: grabbing; }
.pi:focus { outline: none; }
.pi:focus-visible > * { filter: drop-shadow(0 0 0.06px var(--gold)); }
.planner__status { display: grid; gap: 8px; }
.planner__stats { margin: 0; font-size: 14px; color: var(--muted); }
.planner__stats strong { color: var(--ink); font-weight: 500; }
.planner__warn ul { list-style: none; display: grid; gap: 6px; font-size: 14px; }
.planner__warn li { padding: 8px 12px; border-radius: 10px; background: color-mix(in srgb, #b3452f 8%, var(--card)); border-left: 2px solid #b3452f; color: var(--ink); }
.planner__warn-h { font: 500 12px/16px var(--sans); letter-spacing: .1em; text-transform: uppercase; color: #b3452f; margin: 0 0 8px; }
.planner__ok { margin: 0; font-size: 14px; color: #2f7a4a; }
:root[data-theme="dark"] .planner__ok { color: #86c99c; }
.tool__out-lite .tool__actions { margin-top: 0; }
.lib { display: grid; gap: 16px; }
.lib__h { font: 500 11px/16px var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 0 0 8px; }
.lib__items { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
.lib__btn { display: grid; gap: 1px; text-align: left; padding: 8px 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--card); cursor: pointer; font-size: 13px; line-height: 1.3; color: var(--ink); transition: border-color .2s, background .2s; }
.lib__btn small { font-size: 11px; color: var(--muted); }
.lib__btn:hover { border-color: var(--gold); background: var(--gold-soft); }
@media (max-width: 900px) {
  .planner { grid-template-columns: 1fr; }
  .planner__side { position: static; max-height: none; overflow: visible; order: 2; }
  .planner__main { order: 1; }
}
@media (max-width: 520px) { .planner__sel { flex-basis: 100%; } .lib__items { grid-template-columns: 1fr 1fr; } }