/* Ingelmec · /herramientas — calculadoras de ingeniería.
   Hereda tokens de site.css (papel, tinta, Saira, mono para datos, hexágono). */

/* ---- Selector de calculadoras (pestañas con chips hexagonales) ------- */
.calc-selector { margin-bottom: 18px; display: block; }
.calc-tabs { display: flex; flex-wrap: wrap; gap: 10px; }
.calc-tab[aria-selected="true"] { background: linear-gradient(180deg, #38A9E4, #2D9CDB); color: #06121A; border-color: #2D9CDB; box-shadow: 0 0 26px rgba(45,156,219,.25); }
.calc-tab[aria-selected="true"] .hex-badge { box-shadow: 0 0 0 2px #fff inset; }
.calc-tab:focus-visible { outline: 2px solid var(--ix-azul); outline-offset: 3px; }
.calc-tab { text-decoration: none; white-space: nowrap; }
@media (max-width: 860px) {
  .calc-tabs { flex-wrap: nowrap; overflow-x: auto; overscroll-behavior-x: contain; scroll-snap-type: x proximity; scrollbar-width: thin; padding: 2px 2px 8px; margin: 0 -2px; -webkit-overflow-scrolling: touch; }
  .calc-tab { flex: none; scroll-snap-align: start; padding: 9px 14px 9px 10px; font-size: 12px; }
}
.phero-index li a { color: inherit; }
.phero-index li a:hover { color: var(--ix-azul); }

.calc-banner { margin: 0 0 48px; padding: 16px 20px; border-left: 4px solid var(--ix-ambar); background: var(--ix-surface-warm-2); font-size: 14.5px; line-height: 1.55; color: var(--ix-body); }
.calc-banner strong { color: var(--ix-tinta); }

/* ---- Bloque de calculadora ------------------------------------------- */
.calc { --calc-color: var(--ix-azul); position: relative; margin: 0 0 72px; padding: 36px 36px 28px; background: #101C22; border: 1px solid var(--ix-border); border-top: 4px solid var(--calc-color); scroll-margin-top: 96px; }
.calc-head { display: grid; grid-template-columns: auto 1fr; gap: 22px; align-items: start; margin-bottom: 28px; }
.calc-num { display: grid; place-items: center; width: 64px; height: 56px; clip-path: none; border-radius: 14px; background: var(--calc-color); color: #06121A; font: 700 20px var(--font-display); }
.calc[data-calc="generador"] .calc-num { color: #06121A; }
.calc-kicker { display: block; font: 500 10.5px var(--font-mono); letter-spacing: .14em; color: var(--ix-muted); margin-bottom: 6px; }
.calc-head h2 { margin: 0 0 8px; font: 700 clamp(26px, 3vw, 34px)/1.08 var(--font-display); letter-spacing: -.02em; color: var(--ix-tinta); }
.calc-head p { margin: 0; max-width: 68ch; color: var(--ix-body); line-height: 1.6; }

.calc-body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; align-items: start; }
.calc-form { display: flex; flex-direction: column; gap: 18px; }
.calc-fieldset { margin: 0; padding: 0; border: 0; display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.calc-fieldset legend { padding: 0; margin-bottom: 10px; font: 700 15px var(--font-display);  letter-spacing: .04em; color: var(--ix-tinta); }
.calc-field input, .calc-field select, .calc-row input, .calc-row select, .calc-assumption input { font-family: var(--font-mono); font-size: 14px; }
.calc-input-unit { display: flex; align-items: stretch; }
.calc-input-unit input { flex: 1; min-width: 0; }
.calc-unit { display: grid; place-items: center; min-width: 46px; padding: 0 10px; border: 1px solid var(--ix-border-input); border-left: 0; background: var(--ix-surface-warm-2); font: 500 12px var(--font-mono); color: var(--ix-muted); }
.calc-hint { font-size: 12.5px; color: var(--ix-muted); line-height: 1.45; }
.calc-check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--ix-body); cursor: pointer; line-height: 1.45; }
.calc-check input { width: 18px; height: 18px; margin: 1px 0 0; accent-color: var(--ix-azul); flex: none; }
.calc-field--check { justify-content: flex-end; padding-bottom: 12px; }
.calc-toggle { display: inline-flex; border: 1px solid var(--ix-border-input); width: fit-content; }
.calc-toggle label { display: flex; align-items: center; gap: 8px; padding: 9px 14px; font: 500 12px var(--font-mono); letter-spacing: .04em; cursor: pointer; color: var(--ix-body); }
.calc-toggle label + label { border-left: 1px solid var(--ix-border-input); }
.calc-toggle input { accent-color: var(--ix-azul); }
.calc-toggle label:has(input:checked) { background: #2D9CDB; color: #06121A; }

/* Filas dinámicas (equipos / motores) */
.calc-rows { display: flex; flex-direction: column; gap: 8px; }
.calc-rows-caption { font: 400 10px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ix-muted); }
.calc-rows-head, .calc-row { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, .9fr) minmax(0, .7fr) 36px; gap: 8px; align-items: center; }
.calc-rows--motores .calc-rows-head, .calc-rows--motores .calc-row { grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr) minmax(0, .6fr) minmax(0, 1.2fr) 36px; }
.calc-rows-head span { font: 400 10px var(--font-mono); letter-spacing: .06em; color: var(--ix-muted); text-transform: uppercase; }
.calc-row input, .calc-row select { width: 100%; padding: 10px 10px; border: 1px solid var(--ix-border-input); background: var(--ix-paper); color: var(--ix-tinta); border-radius: 0; }
.calc-row-remove { width: 36px; height: 40px; border: 1px solid var(--ix-border-input); background: #101C22; color: var(--ix-muted); font-size: 18px; cursor: pointer; }
.calc-row-remove:hover { color: var(--ix-rojo); border-color: var(--ix-rojo); }
.calc-add, .calc-reset { align-self: flex-start; padding: 8px 0; border: 0; border-bottom: 1.5px solid var(--ix-azul); background: transparent; color: var(--ix-azul); font: 600 13px var(--font-body); cursor: pointer; }
.calc-add::before { content: '+ '; }

/* Supuestos */
.calc-assumptions { border: 1px solid var(--ix-border); background: var(--ix-surface-warm-2); }
.calc-assumptions summary { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 16px; cursor: pointer; list-style: none; font: 700 14px var(--font-display); text-transform: uppercase; letter-spacing: .04em; color: var(--ix-tinta); }
.calc-assumptions summary::-webkit-details-marker { display: none; }
.calc-assumptions summary::after { content: '+'; font: 400 20px var(--font-mono); color: var(--ix-azul); }
.calc-assumptions[open] summary::after { content: '−'; }
.calc-assumptions summary small { margin-left: auto; font: 400 10px var(--font-mono); letter-spacing: .1em; color: var(--ix-muted); }
.calc-assumption-list { display: flex; flex-direction: column; border-top: 1px solid var(--ix-border); }
.calc-assumption { display: grid; grid-template-columns: minmax(0, 1fr) 150px; gap: 6px 14px; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--ix-border); }
.calc-assumption label, .calc-fixed-label { font-size: 13.5px; font-weight: 600; color: var(--ix-tinta); }
.calc-assumption input { width: 100%; padding: 8px 10px; border: 1px solid var(--ix-border-input); background: #101C22; color: var(--ix-tinta); border-radius: 0; }
.calc-assumption .calc-unit { min-width: 40px; }
.calc-fixed-value { font: 500 12px/1.5 var(--font-mono); color: var(--ix-tinta); grid-column: 1 / -1; }
.calc-src { grid-column: 1 / -1; font-size: 12px; line-height: 1.5; color: var(--ix-body); }
.calc-src a { color: var(--ix-azul); text-decoration: underline; text-underline-offset: 2px; }
.calc-src-tag { display: inline-block; padding: 1px 8px; margin-right: 4px; border-radius: 999px; background: rgba(45,156,219,.14); color: #7CC4EF; font: 500 9.5px var(--font-mono); letter-spacing: .08em; }
.calc-src-tag--own { background: rgba(251,191,36,.12); color: #F5C948; border-radius: 999px; }
.calc-assumptions .calc-reset { margin: 12px 16px 14px; }

/* ---- Una a la vez: las inactivas se pliegan a su título -------------- */
.calc-open { display: none; }
.calc-tabs-on .calc.is-collapsed { margin-bottom: 14px; padding: 18px 28px; border-top-width: 3px; cursor: pointer; transition: border-color .15s, background .15s; }
.calc-tabs-on .calc.is-collapsed:hover { background: #121F27; }
.calc-tabs-on .calc.is-collapsed .calc-head { margin: 0; align-items: center; grid-template-columns: auto 1fr auto; }
.calc-tabs-on .calc.is-collapsed .calc-head p, .calc-tabs-on .calc.is-collapsed .calc-kicker { display: none; }
.calc-tabs-on .calc.is-collapsed .calc-head h2 { margin: 0; font-size: clamp(18px, 2vw, 22px); }
.calc-tabs-on .calc.is-collapsed .calc-num { width: 44px; height: 38px; font-size: 14px; }
.calc-tabs-on .calc.is-collapsed .calc-open:not([hidden]) { display: inline-flex; align-items: center; gap: 4px; padding: 8px 0; border: 0; border-bottom: 1.5px solid var(--ix-azul); background: transparent; color: var(--ix-azul); font: 600 13px var(--font-body); cursor: pointer; white-space: nowrap; }
.calc-tabs-on .calc:not(.is-collapsed) { margin-bottom: 28px; }
.calc-tabs-on .calc:not(.is-collapsed) + .calc.is-collapsed { margin-top: 0; }
.calc-panel:focus { outline: none; }

.calc-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px; }
.calc-aviso { font: 500 10px/1.5 var(--font-mono); letter-spacing: .06em; color: #FBBF24; max-width: 34ch; }

/* ---- Resultado (panel tinta) ---------------------------------------- */
.calc-output { display: flex; flex-direction: column; gap: 22px; position: sticky; top: 92px; }
.calc-result { background: var(--ix-panel-deep); color: #E8F1F4; padding: 28px; min-height: 260px; box-shadow: var(--elev-ink, none); outline: none; }
.calc-result:focus-visible { outline: 2px solid var(--ix-azul-light, #7CC4EF); outline-offset: 3px; }
.calc-placeholder { display: grid; grid-template-columns: auto 1fr; gap: 20px; align-items: center; height: 100%; min-height: 200px; color: #a9bcc2; }
.calc-placeholder p { margin: 0; line-height: 1.6; }
.calc-placeholder strong { color: #fff; }
.calc-placeholder-hex { width: 72px; height: 64px; clip-path: none; border-radius: 16px; background: rgba(45,156,219,.1); box-shadow: inset 0 0 0 1px rgba(45,156,219,.3); }
.calc-kpi { display: grid; grid-template-columns: auto 1fr; gap: 22px; align-items: center; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,.14); }
.calc-hex { display: grid; place-items: center; align-content: center; width: 116px; height: 100px; clip-path: none; border-radius: 18px; background: var(--calc-color); color: #06121A; text-align: center; box-shadow: 0 0 32px color-mix(in oklab, var(--calc-color) 30%, transparent); }
.calc[data-calc="generador"] .calc-hex { color: #06121A; }
.calc-hex strong { font: 700 24px/1 var(--font-display); }
.calc-hex span { font: 500 10px var(--font-mono); letter-spacing: .1em; margin-top: 4px; }
.calc-kpi-label { display: block; font: 400 10.5px var(--font-mono); letter-spacing: .14em; color: #8fa3aa; margin-bottom: 4px; }
.calc-big { font: 700 clamp(44px, 5.4vw, 64px)/0.95 var(--font-display); letter-spacing: -.03em; color: #E8F1F4; }
.calc-big small { font-size: .38em; font-weight: 600; letter-spacing: 0; color: var(--ix-azul-light, #7CC4EF); margin-left: 6px; }
.calc-metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; margin: 16px 0 0; }
.calc-metrics div { padding: 10px 12px 10px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
.calc-metrics dt { font: 400 10px var(--font-mono); letter-spacing: .08em; color: #8fa3aa; text-transform: uppercase; }
.calc-metrics dd { margin: 3px 0 0; font: 500 15px var(--font-mono); color: #fff; }
.calc-reco { margin-top: 22px; }
.calc-reco h3 { margin: 0 0 10px; font: 700 13px var(--font-display); text-transform: uppercase; letter-spacing: .08em; color: var(--ix-azul-light, #7CC4EF); }
.calc-reco ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.calc-reco li { padding: 12px 14px; background: rgba(255,255,255,.05); border-left: 3px solid var(--calc-color); }
.calc-reco li strong { display: block; font: 700 15px var(--font-display); color: #fff; }
.calc-reco li a { color: #fff; text-decoration: underline; text-decoration-color: rgba(255,255,255,.35); text-underline-offset: 3px; }
.calc-reco li a:hover { text-decoration-color: #fff; }
.calc-reco-src { display: block; margin-top: 6px; font: normal 400 10.5px var(--font-mono); letter-spacing: .04em; color: #8fa3aa; }
.calc-reco li .calc-reco-src a { color: var(--ix-azul-light, #7CC4EF); text-decoration: underline; }
.calc-reco li span { display: block; margin-top: 3px; font-size: 13px; line-height: 1.5; color: #c5d3d8; }
.calc-notes { margin: 14px 0 0; padding: 0; list-style: none; font-size: 12.5px; line-height: 1.55; color: #a9bcc2; }
.calc-notes li + li { margin-top: 6px; }
.calc-evidence { margin-top: 14px; padding: 12px 14px; border: 1px dashed rgba(255,255,255,.22); font: 400 12px/1.6 var(--font-mono); color: #c5d3d8; }
.calc-disclaimer { margin: 18px 0 0; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.14); font: 500 10.5px/1.5 var(--font-mono); letter-spacing: .06em; color: var(--ix-ambar); }

/* Descarga + CTA */
.calc-after { display: flex; flex-direction: column; gap: 16px; }
.calc-lead { display: flex; flex-direction: column; gap: 14px; padding: 24px; border: 1px solid var(--ix-border); background: var(--ix-paper); }
.calc-lead h3 { margin: 0; font: 700 20px var(--font-display); color: var(--ix-tinta); }
.calc-lead > p { margin: 0; font-size: 14px; color: var(--ix-body); }
.calc-lead .button { align-self: flex-start; }
.calc-lead-actions { display: flex; flex-wrap: wrap; gap: 10px 12px; align-items: center; }
.calc-lead-actions .button, .calc-lead-actions .outline-button { align-self: auto; }
.calc-lead-actions .outline-button { padding: 14px 22px; font-size: 14px; }
.calc-lead-ok:empty { display: none; }
.calc-lead-ok { margin: 0; font: 500 12px var(--font-mono); color: var(--ix-verde-ink); }
.calc-cta { text-align: center; }

.calc-method { margin-top: 28px; border-top: 1px solid var(--ix-border); }
.calc-method summary { padding: 14px 0 0; cursor: pointer; font: 700 13px var(--font-display); text-transform: uppercase; letter-spacing: .06em; color: var(--ix-azul); }
.calc-method ol { margin: 12px 0 0; padding-left: 20px; color: var(--ix-body); font-size: 14px; line-height: 1.65; }
.calc-method li + li { margin-top: 6px; }

.calc-sources { margin: 24px 0 64px; }
.calc-source-sub { margin: 36px 0 0; font: 700 15px var(--font-display);  letter-spacing: .05em; color: var(--ix-tinta); }
.calc-source-list--fam { font-size: 13.5px; }
.calc-source-list { margin: 22px 0 0; padding-left: 22px; display: flex; flex-direction: column; gap: 10px; font-size: 14.5px; line-height: 1.5; }
.calc-source-list a { color: var(--ix-tinta); text-decoration: underline; text-decoration-color: var(--ix-border-input); text-underline-offset: 3px; }
.calc-source-list a:hover { color: var(--ix-azul); }

/* Revelado del resultado: solo opacidad/transform y sin movimiento reducido. */
@media (prefers-reduced-motion: no-preference) {
  .calc-result.is-fresh .calc-kpi, .calc-result.is-fresh .calc-reco { animation: calc-in .45s cubic-bezier(.2,.7,.2,1) both; }
  .calc-result.is-fresh .calc-reco { animation-delay: .08s; }
}
@keyframes calc-in { from { opacity: 0; translate: 0 10px; } to { opacity: 1; translate: 0 0; } }

@media (max-width: 1020px) {
  .calc-body { grid-template-columns: 1fr; }
  .calc-output { position: static; }
}
@media (max-width: 768px) {
  .calc { padding: 24px 18px 20px; margin-bottom: 48px; }
  .calc-head { grid-template-columns: 1fr; gap: 12px; }
  .calc-num { width: 52px; height: 46px; font-size: 16px; }
  .calc-assumption { grid-template-columns: minmax(0, 1fr) 120px; }
  .calc-rows-head { display: none; }
  .calc-row, .calc-rows--motores .calc-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 36px; }
  .calc-row [data-col="name"] { grid-column: 1 / -1; }
  .calc-rows--motores .calc-row [data-col="method"] { grid-column: 1 / 3; }
  .calc-kpi { grid-template-columns: 1fr; }
  .calc-hex { width: 92px; height: 80px; }
  .calc-result { padding: 22px 18px; }
  .calc-lead { padding: 18px; }
  .calc-lead .button, .calc-actions .button, .calc-lead-actions .outline-button { width: 100%; }
  .calc-tabs-on .calc.is-collapsed { padding: 14px 16px; }
  .calc-tabs-on .calc.is-collapsed .calc-head { grid-template-columns: auto 1fr; gap: 12px; }
  .calc-tabs-on .calc.is-collapsed .calc-open:not([hidden]) { grid-column: 2; justify-self: start; padding: 2px 0; }
}

/* ---- Informe imprimible (A4, print-to-PDF del navegador) -------------- */
.ix-report { display: none; }
@media print {
  @page { size: A4; margin: 16mm 14mm 18mm; }
  html.ix-printing body > *:not(main) { display: none !important; }
  html.ix-printing main > *:not(#ix-report) { display: none !important; }
  html.ix-printing .ix-report { display: block !important; }
  html.ix-printing body { background: #fff; }
}
.ix-report { font-family: var(--font-body); color: #17282f; background: #fff; padding: 8px 2px; font-size: 10.5pt; line-height: 1.45; }
.ixr-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; padding-bottom: 10px; border-bottom: 3px solid #2D9CDB; }
.ixr-head img { width: 150px; height: auto; }
.ixr-head div { text-align: right; font: 400 8.5pt var(--font-mono); color: #5d6b65; }
.ixr-title { margin: 16px 0 2px; font: 700 20pt/1.1 var(--font-display); }
.ixr-sub { margin: 0 0 12px; font: 400 9pt var(--font-mono); color: #5d6b65; letter-spacing: .04em; }
.ixr-key { display: flex; gap: 14px; align-items: center; margin: 10px 0 14px; padding: 12px 14px; background: #f4f3ee; border-left: 4px solid #2D9CDB; color: #17282f; border-radius: 6px; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
.ixr-key strong { font: 700 24pt/1 var(--font-display); }
.ixr-key span { font: 400 9pt var(--font-mono); color: #54646b; }
.ixr-hex { width: 46px; height: 40px; border-radius: 10px; background: #2D9CDB; flex: none; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
.ix-report h2 { margin: 14px 0 6px; font: 700 11pt var(--font-display); text-transform: uppercase; letter-spacing: .06em; color: #0567AD; break-after: avoid; }
.ix-report table { width: 100%; border-collapse: collapse; font-size: 9.5pt; break-inside: auto; }
.ix-report th, .ix-report td { text-align: left; vertical-align: top; padding: 5px 6px; border-bottom: 1px solid #e0ded6; }
.ix-report th { width: 42%; font-weight: 600; }
.ix-report td.num { font-family: var(--font-mono); }
.ix-report tr { break-inside: avoid; }
.ix-report ul { margin: 0; padding-left: 18px; }
.ix-report li { margin: 3px 0; break-inside: avoid; }
.ixr-src { font-size: 8.5pt; color: #54646b; }
.ixr-warning { margin: 14px 0 0; padding: 8px 10px; border-left: 4px solid #FBBF24; background: #fbefd6; color: #17282f; font-size: 9.5pt; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
.ixr-foot { margin-top: 14px; padding-top: 8px; border-top: 1px solid #e0ded6; font: 400 8.5pt/1.5 var(--font-mono); color: #5d6b65; }