@font-face { font-family: 'Barlow'; font-weight: 400; font-display: swap; src: url(fonts/barlow-400.woff2) format('woff2'); }
@font-face { font-family: 'Barlow'; font-weight: 500; font-display: swap; src: url(fonts/barlow-500.woff2) format('woff2'); }
@font-face { font-family: 'Barlow'; font-weight: 600; font-display: swap; src: url(fonts/barlow-600.woff2) format('woff2'); }
@font-face { font-family: 'Barlow Condensed'; font-weight: 600; font-display: swap; src: url(fonts/barlowc-600.woff2) format('woff2'); }
@font-face { font-family: 'Barlow Condensed'; font-weight: 700; font-display: swap; src: url(fonts/barlowc-700.woff2) format('woff2'); }

:root {
  --rojo: #E10600;
  --rojo-osc: #B30500;
  --rojo-suave: #FDECEB;
  --tinta: #171615;
  --tinta-2: #3B3936;
  --gris: #74706A;
  --gris-claro: #A9A49D;
  --linea: #E5E0D9;
  --papel: #F4F1EC;
  --blanco: #FFFFFF;
  --verde: #1F7A4D;
  --radio: 14px;
  --radio-chico: 10px;
  --sombra: 0 1px 2px rgba(23, 22, 21, .06), 0 8px 24px -12px rgba(23, 22, 21, .18);
  --cond: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --texto: 'Barlow', system-ui, sans-serif;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --resorte: cubic-bezier(.34, 1.45, .64, 1); /* se pasa un poquito y vuelve */
  --hoja: cubic-bezier(.32, .72, 0, 1);       /* la de las hojas de iOS */
  --salida: cubic-bezier(.4, 0, 1, 1);
  --seguro-abajo: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; overscroll-behavior: none; }
body { overscroll-behavior: none; }
[hidden] { display: none !important; }
body {
  margin: 0; background: var(--papel); color: var(--tinta);
  font: 400 16px/1.45 var(--texto); -webkit-font-smoothing: antialiased;
  padding-bottom: calc(84px + var(--seguro-abajo));
}
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2.5px solid var(--rojo); outline-offset: 2px; }
h1, h2, h3 { margin: 0; }
.instalada .solo-web { display: none !important; }

/* ── Barra superior ───────────────────────────────────────── */
.barra {
  position: sticky; top: 0; z-index: 20; background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--linea); padding-top: env(safe-area-inset-top, 0px);
  transition: box-shadow .3s;
}
.barra.con-sombra { box-shadow: 0 10px 24px -18px rgba(23, 22, 21, .45); }
.barra::after { /* franja con el rayado del símbolo PEISA */
  content: ''; position: absolute; left: 0; right: 0; bottom: -4px; height: 3px;
  background: var(--rojo);
}
.barra__in { max-width: 1160px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; gap: 12px; }
.barra__logo { height: 24px; width: auto; display: block; }
.barra__titulo {
  font: 600 12px/1.05 var(--cond); text-transform: uppercase; letter-spacing: .08em; color: var(--gris);
  border-left: 1px solid var(--linea); padding-left: 12px;
}
.barra__acciones { margin-left: auto; display: flex; gap: 6px; }
.btn-chico {
  display: inline-flex; align-items: center; gap: 6px; height: 36px; padding: 0 12px;
  border: 1px solid var(--linea); border-radius: 999px; background: var(--blanco);
  font: 600 14px/1 var(--texto); transition: border-color .2s, background .2s, transform .15s var(--ease);
}
.btn-chico:hover { border-color: var(--tinta); }
.btn-chico svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
#btn-instalar { display: none; }
.puede-instalar #btn-instalar { display: inline-flex; }

/* ── Disposición ──────────────────────────────────────────── */
.layout { max-width: 1160px; margin: 0 auto; padding: 0 16px; display: grid; gap: 16px; }
@media (min-width: 960px) {
  .layout { grid-template-columns: minmax(0, 1fr) 400px; gap: 28px; align-items: start; }
  .col-res { position: sticky; top: 76px; margin-top: 40px; max-height: calc(100vh - 92px); overflow-y: auto; border-radius: var(--radio); scrollbar-width: thin; }
  body { padding-bottom: 0; }
  .barra-res { display: none !important; }
}

/* ── Intro ───────────────────────────────────────────────── */
.intro { padding: 28px 2px 6px; position: relative; }
.kicker {
  margin: 0 0 8px; font: 700 13px/1 var(--cond); letter-spacing: .14em; text-transform: uppercase; color: var(--rojo);
  display: flex; align-items: center; gap: 10px;
}
.kicker::before { content: ''; width: 22px; height: 12px; background: repeating-linear-gradient(160deg, var(--rojo) 0 2px, transparent 2px 4px); }
.intro h1 { font: 700 clamp(34px, 9vw, 60px)/.94 var(--cond); text-transform: uppercase; letter-spacing: -.005em; max-width: 12ch; }
@media (min-width: 700px) { .intro h1 { max-width: 20ch; } .intro { padding-top: 40px; } }
.intro__txt { margin: 12px 0 0; color: var(--tinta-2); max-width: 46ch; }

/* ── Bloques ─────────────────────────────────────────────── */
.col-form { display: grid; gap: 14px; padding-top: 4px; }
/* Al abrir, los bloques llegan escalonados */
.col-form > *, .col-res { animation: llega .6s var(--ease) both; }
.col-form > :nth-child(2) { animation-delay: 60ms; }
.col-form > :nth-child(3) { animation-delay: 120ms; }
.col-form > :nth-child(4) { animation-delay: 180ms; }
.col-form > :nth-child(5) { animation-delay: 240ms; }
.col-res { animation-delay: 150ms; }
@keyframes llega { from { opacity: 0; transform: translateY(16px); } }
.bloque { background: var(--blanco); border-radius: var(--radio); padding: 18px 16px 18px; box-shadow: var(--sombra); }
@media (min-width: 600px) { .bloque { padding: 22px 24px 24px; } }
.bloque__cab { display: flex; align-items: baseline; gap: 10px; margin-bottom: 16px; }
.bloque__num { font: 700 15px/1 var(--cond); color: var(--rojo); letter-spacing: .04em; }
.bloque__cab h2 { font: 700 22px/1 var(--cond); text-transform: uppercase; letter-spacing: .02em; }
.bloque__extra { margin-left: auto; font: 600 14px/1 var(--cond); color: var(--gris); letter-spacing: .04em; text-transform: uppercase; }

.campo { display: grid; gap: 6px; margin-bottom: 14px; position: relative; }
.campo label, .medidas legend { font-size: 14px; font-weight: 600; color: var(--tinta-2); }
.opcional { font-weight: 400; color: var(--gris-claro); }
input[type=text], select {
  width: 100%; height: 50px; padding: 0 14px; border-radius: var(--radio-chico);
  border: 1.5px solid var(--linea); background: var(--blanco); font-size: 17px;
  transition: border-color .15s, box-shadow .15s; -webkit-appearance: none; appearance: none;
}
input[type=text]::placeholder { color: var(--gris-claro); }
input[type=text]:hover, select:hover { border-color: #CFC8BF; }
input[type=text]:focus, select:focus { outline: none; border-color: var(--tinta); box-shadow: 0 0 0 3px rgba(23, 22, 21, .08); }
input.invalido { border-color: var(--rojo); box-shadow: 0 0 0 3px rgba(225, 6, 0, .12); }
.select { position: relative; }
.select::after {
  content: ''; position: absolute; right: 16px; top: 50%; width: 8px; height: 8px; margin-top: -6px;
  border-right: 2px solid var(--tinta); border-bottom: 2px solid var(--tinta); transform: rotate(45deg); pointer-events: none;
}
select { padding-right: 38px; text-overflow: ellipsis; }
.duo { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 560px) { .duo { grid-template-columns: 1fr 1fr; gap: 10px; } }
.duo .campo { margin-bottom: 0; }
.ayuda { margin: 10px 0 0; font-size: 14px; color: var(--gris); }
.ayuda b { color: var(--tinta); font-weight: 600; }

/* ── Radiadores (opciones) ───────────────────────────────── */
.opciones-rad { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.op-rad {
  position: relative; text-align: left; padding: 12px 10px 12px; border-radius: var(--radio-chico);
  border: 1.5px solid var(--linea); background: var(--blanco); display: grid; gap: 2px; align-content: start;
  transition: border-color .15s, background .15s, transform .15s var(--ease);
}
.op-rad:hover { border-color: #CFC8BF; }
.op-rad:active { transform: scale(.98); }
.op-rad[aria-checked=true] { border-color: var(--rojo); background: var(--rojo-suave); box-shadow: inset 0 0 0 1px var(--rojo); }
.op-rad__dibujo { height: 34px; display: flex; align-items: end; margin-bottom: 6px; }
.op-rad__dibujo svg { height: 30px; width: auto; }
.op-rad__m { font: 700 19px/1 var(--cond); text-transform: uppercase; }
.op-rad__mat { font-size: 13px; color: var(--gris); line-height: 1.2; min-height: 2.4em; }
.op-rad__kcal { font: 700 17px/1 var(--cond); color: var(--tinta); margin-top: 6px; letter-spacing: .01em; }
.op-rad__kcal small { display: block; font: 400 12px/1.2 var(--texto); color: var(--gris); letter-spacing: 0; margin-top: 2px; }
.op-rad__check {
  position: absolute; top: 9px; right: 9px; width: 20px; height: 20px; border-radius: 50%;
  border: 1.5px solid var(--linea); display: grid; place-items: center; background: var(--blanco);
}
.op-rad[aria-checked=true] .op-rad__check { background: var(--rojo); border-color: var(--rojo); }
.op-rad[aria-checked=true] .op-rad__check::after { content: ''; width: 5px; height: 9px; border: solid #fff; border-width: 0 2px 2px 0; transform: translateY(-1px) rotate(45deg); }
.op-rad .rad .el, .op-rad .rad .tubo { transition: fill .3s; }
.op-rad[aria-checked=false] .rad .el { fill: #D9D3CB; }
.op-rad[aria-checked=false] .rad .tubo { fill: #C7C0B7; }
.op-rad[aria-checked=true] .rad .el { transform-box: fill-box; transform-origin: 50% 100%; animation: sube .5s var(--resorte) both; animation-delay: calc(var(--i) * 45ms); }
.op-rad[aria-checked=true] .op-rad__check { animation: pop .4s var(--resorte); }
@keyframes pop { from { transform: scale(.4); } }

/* ── Dibujo de radiador ──────────────────────────────────── */
.rad .el { fill: var(--rojo); }
.rad .tubo { fill: var(--tinta-2); }
.rad--gris .el { fill: #D9D3CB; }
.rad--gris .tubo { fill: #C7C0B7; }
.rad--anim .el { transform-box: fill-box; transform-origin: 50% 100%; animation: sube .5s var(--resorte) both; animation-delay: calc(var(--i) * 22ms); }
@keyframes sube { from { transform: scaleY(.15); opacity: 0; } to { transform: none; opacity: 1; } }

/* ── Lista de ambientes ──────────────────────────────────── */
.ambientes { list-style: none; margin: 0 0 12px; padding: 0; display: grid; gap: 8px; }
.ambientes:empty { display: none; }
.amb {
  position: relative; border: 1.5px solid var(--linea); border-radius: var(--radio-chico); background: var(--blanco);
  transition: border-color .15s, box-shadow .2s, transform .2s var(--ease);
}
.amb:hover { border-color: #CFC8BF; }
.amb:has(> .amb__main:active) { transform: scale(.985); }
.amb--nuevo { animation: amb-nuevo .5s var(--resorte) both; }
@keyframes amb-nuevo { from { opacity: 0; transform: translateY(12px) scale(.97); } }
.amb--error { border-color: var(--rojo); border-style: dashed; }
@keyframes entra { from { opacity: 0; transform: translateY(6px); } }
.amb__main { display: block; width: 100%; text-align: left; background: none; border: 0; padding: 14px 52px 14px 14px; border-radius: inherit; }
.amb__top { display: flex; align-items: baseline; gap: 10px; }
.amb__nombre { font: 700 20px/1.1 var(--cond); text-transform: uppercase; letter-spacing: .01em; }
.amb__kcal { margin-left: auto; font: 600 16px/1 var(--cond); color: var(--tinta-2); white-space: nowrap; }
.amb__med { font-size: 14px; color: var(--gris); margin-top: 2px; font-variant-numeric: tabular-nums; }
.amb__rads { display: flex; flex-wrap: wrap; gap: 10px 14px; margin: 12px 0 8px; align-items: end; }
.rad-wrap { display: inline-grid; justify-items: center; gap: 3px; }
.rad-n { font: 700 12px/1 var(--cond); color: var(--gris); letter-spacing: .04em; }
.amb__txt { font-size: 15px; color: var(--tinta-2); }
.amb__txt b { color: var(--tinta); font-weight: 600; }
.amb__err { font-size: 14px; color: var(--rojo); font-weight: 600; margin-top: 6px; }
.amb__borrar {
  position: absolute; top: 8px; right: 6px; width: 40px; height: 40px; border-radius: 50%; border: 0; background: none;
  color: var(--gris-claro); font-size: 24px; line-height: 1; display: grid; place-items: center; transition: background .15s, color .15s;
}
.amb__borrar:hover { background: var(--rojo-suave); color: var(--rojo); }

.btn-agregar {
  width: 100%; min-height: 60px; display: flex; align-items: center; justify-content: center; gap: 12px;
  border: 1.5px dashed #CDC6BC; border-radius: var(--radio-chico); background: var(--papel);
  font: 700 18px/1 var(--cond); text-transform: uppercase; letter-spacing: .04em; color: var(--tinta);
  transition: border-color .15s, background .15s, color .15s, transform .15s var(--ease);
}
.btn-agregar:hover { border-color: var(--rojo); color: var(--rojo); background: var(--rojo-suave); }
.btn-agregar:active, .btn-chico:active, .chip:active, .barra-res__btn:active { transform: scale(.97); }
.btn-agregar:hover .btn-agregar__mas { transform: rotate(90deg); }
.btn-agregar__mas { transition: transform .35s var(--resorte); }
.btn-agregar__mas { width: 28px; height: 28px; border-radius: 50%; background: var(--rojo); color: #fff; display: grid; place-items: center; font: 600 22px/1 var(--texto); }

/* ── Duchas ──────────────────────────────────────────────── */
.pregunta { margin: -6px 0 12px; color: var(--tinta-2); }
.segmentos { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; position: relative; isolation: isolate; }
.segmentos::before { /* pastilla oscura que se desliza hasta la opción elegida */
  content: ''; position: absolute; z-index: -1; top: 0; bottom: 0; left: 0; width: calc((100% - 24px) / 4);
  border-radius: var(--radio-chico); background: var(--tinta);
  transform: translateX(calc(var(--i, 0) * (100% + 8px))); transition: transform .45s var(--resorte);
}
.seg {
  border: 1.5px solid var(--linea); background: transparent; border-radius: var(--radio-chico); padding: 12px 4px 10px;
  display: grid; justify-items: center; gap: 4px; transition: border-color .15s, color .2s .06s, transform .15s var(--ease);
}
.seg__l { transition: color .2s .06s; }
.seg:hover { border-color: #CFC8BF; }
.seg:active { transform: scale(.97); }
.seg__n { font: 700 30px/1 var(--cond); }
.seg__l { font-size: 13px; line-height: 1.15; color: var(--gris); text-align: center; }
.seg[aria-checked=true] { border-color: transparent; color: #fff; }
.seg[aria-checked=true] .seg__l { color: rgba(255, 255, 255, .72); }
.seg__n svg { width: 26px; height: 30px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; }

/* ── Resultado ───────────────────────────────────────────── */
.col-res { scroll-margin-top: 72px; }
.res, .res-vacio { background: var(--blanco); border-radius: var(--radio); box-shadow: var(--sombra); overflow: hidden; }
.res-vacio { padding: 28px 22px; text-align: center; color: var(--gris); }
.res-vacio svg { height: 42px; width: auto; margin-bottom: 12px; }
.res-vacio h2 { font: 700 22px/1 var(--cond); text-transform: uppercase; color: var(--tinta); margin-bottom: 6px; }
.res-vacio p { margin: 0 auto; max-width: 30ch; }
.res__cab { padding: 18px 20px 0; }
.res__kicker { margin: 0; font: 700 13px/1.2 var(--cond); letter-spacing: .14em; text-transform: uppercase; color: var(--rojo); }
.res__obra { margin: 4px 0 0; font: 700 24px/1.05 var(--cond); text-transform: uppercase; overflow-wrap: anywhere; }
.res__cifras { display: grid; grid-template-columns: 1fr 1fr; padding: 14px 20px 18px; gap: 14px 12px; }
.cifra { display: grid; gap: 2px; }
.cifra--ancha { grid-column: 1 / -1; padding-top: 12px; border-top: 1px solid var(--linea); }
.cifra__n { font: 700 46px/.9 var(--cond); font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.cifra--ancha .cifra__n { font-size: 34px; }
.cifra__u { font-size: .5em; color: var(--gris); margin-left: 4px; letter-spacing: .02em; }
.cifra__l { font-size: 14px; color: var(--gris); }

.caldera {
  position: relative; margin: 0 12px; padding: 18px 18px 18px; border-radius: 12px; overflow: hidden;
  background: var(--tinta); color: #fff;
}
.caldera::before { /* rayado del símbolo PEISA */
  content: ''; position: absolute; right: -30px; top: -20px; width: 150px; height: 150px; border-radius: 50%;
  background: repeating-linear-gradient(165deg, rgba(225, 6, 0, .9) 0 3px, transparent 3px 7px);
  -webkit-mask: radial-gradient(circle at 70% 40%, #000 30%, transparent 70%); mask: radial-gradient(circle at 70% 40%, #000 30%, transparent 70%);
  opacity: .55;
}
.caldera > * { position: relative; }
.caldera__l { margin: 0; font: 700 12px/1 var(--cond); letter-spacing: .16em; text-transform: uppercase; color: rgba(255, 255, 255, .6); }
.caldera__m { margin: 8px 0 6px; font: 700 30px/.95 var(--cond); text-transform: uppercase; }
.caldera__m em { font-style: normal; color: #FF4A3D; }
.caldera__t { margin: 0; font-size: 15px; color: rgba(255, 255, 255, .82); max-width: 34ch; }
.caldera__alt { margin: 10px 0 0; font-size: 14px; color: rgba(255, 255, 255, .62); }
.caldera--consultar { background: var(--rojo-suave); color: var(--tinta); border: 1.5px solid rgba(225, 6, 0, .35); }
.caldera--consultar::before { display: none; }
.caldera--consultar .caldera__l { color: var(--rojo); }
.caldera--consultar .caldera__t { color: var(--tinta-2); }

.compra { padding: 18px 20px 4px; }
.compra h3 { font: 700 13px/1 var(--cond); letter-spacing: .14em; text-transform: uppercase; color: var(--gris); margin-bottom: 8px; }
.compra ul { list-style: none; margin: 0; padding: 0; }
.compra li { display: flex; align-items: baseline; gap: 8px; padding: 9px 0; border-bottom: 1px dashed var(--linea); font-size: 15px; }
.compra li:last-child { border-bottom: 0; }
.compra li b { margin-left: auto; font: 700 18px/1 var(--cond); }
.compra li .fill { flex: 1; }
.res__aviso { margin: 12px 20px 0; padding: 10px 12px; border-radius: 8px; background: var(--rojo-suave); color: var(--rojo-osc); font-size: 14px; font-weight: 500; }
.exportar { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 16px 12px 12px; }
.res__nota { margin: 0; padding: 0 20px 18px; font-size: 13px; color: var(--gris); }

/* ── Botones ─────────────────────────────────────────────── */
.btn {
  min-height: 52px; padding: 0 16px; border-radius: var(--radio-chico); border: 1.5px solid transparent;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 700 17px/1 var(--cond); text-transform: uppercase; letter-spacing: .05em;
  transition: background .15s, border-color .15s, transform .15s var(--ease), opacity .15s;
}
.btn:active { transform: scale(.98); }
.btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.btn--rojo { background: var(--rojo); color: #fff; }
.btn--rojo:hover { background: var(--rojo-osc); }
.btn--linea { background: var(--blanco); border-color: var(--tinta); color: var(--tinta); }
.btn--linea:hover { background: var(--papel); }
.btn--ancho { width: 100%; margin-top: 16px; }
.btn[aria-busy=true] { opacity: .6; pointer-events: none; }

/* ── Pie ─────────────────────────────────────────────────── */
.pie { max-width: 1160px; margin: 0 auto; padding: 28px 16px 24px; display: grid; gap: 10px; justify-items: start; }
@media (min-width: 960px) { .pie { padding-right: 444px; } }
.pie__link { background: none; border: 0; padding: 0; color: var(--tinta-2); font-size: 15px; font-weight: 500; text-decoration: underline; text-decoration-color: #CDC6BC; text-underline-offset: 3px; text-align: left; }
.pie__link:hover { color: var(--rojo); text-decoration-color: currentColor; }
.pie__nota { margin: 6px 0 0; font-size: 13px; color: var(--gris); max-width: 60ch; }

/* ── Barra de resultado (celular) ────────────────────────── */
.barra-res {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 15; padding: 10px 12px calc(10px + var(--seguro-abajo));
  background: linear-gradient(to top, var(--papel) 60%, rgba(244, 241, 236, 0));
  transition: transform .3s var(--ease), opacity .3s;
}
.barra-res.oculta { transform: translateY(110%); opacity: 0; pointer-events: none; }
.barra-res__btn {
  width: 100%; min-height: 58px; border: 0; border-radius: 14px; background: var(--tinta); color: #fff;
  display: flex; align-items: center; gap: 12px; padding: 0 16px; text-align: left;
  box-shadow: 0 12px 30px -10px rgba(23, 22, 21, .5);
}
.barra-res__n { font: 700 30px/1 var(--cond); color: #FF4A3D; }
.barra-res__t { display: grid; line-height: 1.15; }
.barra-res__t b { font: 700 16px/1.1 var(--cond); text-transform: uppercase; letter-spacing: .03em; }
.barra-res__t span { font-size: 13px; color: rgba(255, 255, 255, .7); }
.barra-res__ir { margin-left: auto; font: 700 14px/1 var(--cond); text-transform: uppercase; letter-spacing: .08em; display: flex; align-items: center; gap: 6px; }

/* ── Hojas (diálogos) ────────────────────────────────────── */
.hoja {
  border: 0; padding: 0; width: 100%; max-width: 520px; max-height: calc(100dvh - 24px);
  border-radius: 20px 20px 0 0; margin: auto auto 0; background: var(--blanco); color: var(--tinta);
  box-shadow: 0 -10px 40px rgba(0, 0, 0, .2);
}
@media (min-width: 600px) { .hoja { margin: auto; border-radius: 20px; } }
.hoja::backdrop { background: rgba(23, 22, 21, .5); backdrop-filter: blur(2px); }
.hoja[open] { animation: hoja-sube .46s var(--hoja); }
.hoja[open]::backdrop { animation: aparece .3s ease; }
.hoja.cierra { animation: hoja-baja .26s var(--salida) forwards; }
.hoja.cierra::backdrop { animation: aparece .26s ease reverse forwards; }
.hoja__cab { touch-action: none; }
@keyframes hoja-sube { from { transform: translateY(100%); } }
@keyframes hoja-baja { to { transform: translateY(100%); } }
@keyframes aparece { from { opacity: 0; } }
@media (min-width: 600px) {
  .hoja[open] { animation: hoja-zoom .34s var(--ease); }
  .hoja.cierra { animation: hoja-zoom-sale .2s var(--salida) forwards; }
  .hoja__cab { touch-action: auto; }
}
@keyframes hoja-zoom { from { opacity: 0; transform: translateY(14px) scale(.97); } }
@keyframes hoja-zoom-sale { to { opacity: 0; transform: translateY(8px) scale(.97); } }
.hoja__in { padding: 8px 18px calc(18px + var(--seguro-abajo)); }
@media (min-width: 600px) { .hoja__in { padding: 8px 24px 24px; } }
.hoja__in::before { content: ''; display: block; width: 40px; height: 4px; border-radius: 4px; background: var(--linea); margin: 0 auto 6px; }
@media (min-width: 600px) { .hoja__in::before { display: none; } }
.hoja__cab { display: flex; align-items: center; padding: 8px 0 14px; }
.hoja__cab h2 { font: 700 24px/1 var(--cond); text-transform: uppercase; }
.hoja__cerrar { margin-left: auto; width: 40px; height: 40px; border: 0; border-radius: 50%; background: var(--papel); font-size: 24px; line-height: 1; margin-right: -4px; }
.hoja__intro { margin: 0 0 16px; color: var(--tinta-2); }
.hoja__pie { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 16px; }
.hoja__pie.uno { grid-template-columns: 1fr; }

.chips { display: flex; gap: 6px; overflow-x: auto; padding: 4px 0 2px; margin: 0 -18px; padding-inline: 18px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: none; height: 34px; padding: 0 12px; border-radius: 999px; border: 1.5px solid var(--linea); background: var(--blanco);
  font-size: 14px; font-weight: 500; transition: border-color .15s, background .15s, color .15s, transform .15s var(--ease);
}
.chip:hover { border-color: var(--tinta); }
.chip.activo { background: var(--tinta); border-color: var(--tinta); color: #fff; }

.medidas { border: 0; padding: 0; margin: 0; }
.medidas legend { padding: 0; margin-bottom: 6px; }
.trio { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.campo--med { margin-bottom: 0; gap: 4px; }
.campo--med label { font-size: 13px; font-weight: 500; color: var(--gris); }
.campo--med input { font: 600 22px/1 var(--cond); padding-right: 30px; text-align: left; font-variant-numeric: tabular-nums; }
.unidad { position: absolute; right: 12px; bottom: 15px; font: 600 16px/1 var(--cond); color: var(--gris-claro); pointer-events: none; }

.previa {
  margin-top: 14px; min-height: 104px; border-radius: 12px; background: var(--papel); padding: 14px;
  display: grid; align-content: center; gap: 10px;
}
.previa__rads { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: end; }
.previa__txt { margin: 0; font-size: 15px; color: var(--tinta-2); }
.previa__txt b { font: 700 20px/1.1 var(--cond); text-transform: uppercase; color: var(--tinta); display: block; }
.previa__vacio { margin: 0; color: var(--gris); font-size: 15px; text-align: center; }
.previa__error { margin: 0; color: var(--rojo); font-weight: 600; font-size: 15px; text-align: center; }

.tabs { display: grid; grid-template-columns: 1fr 1fr; background: var(--papel); border-radius: 12px; padding: 4px; margin-bottom: 16px; }
.tabs button { border: 0; background: none; height: 40px; border-radius: 9px; font-weight: 600; color: var(--gris); }
.tabs button[aria-selected=true] { background: var(--blanco); color: var(--tinta); box-shadow: 0 1px 3px rgba(0, 0, 0, .1); }
.pasos { margin: 0; padding: 0; list-style: none; counter-reset: paso; display: grid; gap: 12px; }
.pasos li { counter-increment: paso; display: flex; gap: 12px; align-items: baseline; line-height: 1.4; }
.pasos li::before { content: counter(paso); flex: none; width: 28px; height: 28px; border-radius: 50%; background: var(--rojo); color: #fff; display: grid; place-items: center; font: 700 16px/1 var(--cond); transform: translateY(4px); }
.tecla { display: inline-flex; align-items: center; justify-content: center; min-width: 26px; height: 26px; padding: 0 6px; border-radius: 6px; background: var(--papel); border: 1px solid var(--linea); font-weight: 700; vertical-align: middle; }
.tecla svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ── Aviso flotante ──────────────────────────────────────── */
.toast {
  position: fixed; left: 50%; bottom: calc(92px + var(--seguro-abajo)); z-index: 40; transform: translate(-50%, 24px) scale(.94);
  background: var(--tinta); color: #fff; border-radius: 12px; padding: 0 6px 0 16px; min-height: 48px;
  display: flex; align-items: center; gap: 10px; width: max-content; max-width: calc(100vw - 32px); font-size: 15px;
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .45s var(--resorte); box-shadow: 0 10px 30px -10px rgba(0, 0, 0, .5);
}
.toast.visible { opacity: 1; transform: translate(-50%, 0) scale(1); pointer-events: auto; }
.toast:not(:has(button)) { padding-right: 16px; }
.toast button { border: 0; background: none; color: #FF4A3D; font: 700 15px/1 var(--cond); letter-spacing: .08em; text-transform: uppercase; height: 40px; padding: 0 10px; }
@media (min-width: 960px) { .toast { bottom: 28px; } }

.temblor { animation: temblor .35s; }
@keyframes temblor { 20%, 60% { transform: translateX(-4px); } 40%, 80% { transform: translateX(4px); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-delay: 0ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}
@media (max-width: 380px) {
  .barra__titulo { display: none; }
  .op-rad { padding: 10px 8px; }
  .op-rad__m { font-size: 17px; }
  .seg__l { font-size: 12px; }
}

/* ── Aviso de PEISA (se carga desde el panel) ────────────── */
.aviso__marca { display: flex; align-items: center; gap: 8px; font: 700 13px/1 var(--cond); letter-spacing: .14em; text-transform: uppercase; color: var(--rojo); }
.aviso__marca img { width: 14px; height: auto; }
.aviso__t { font: 700 clamp(28px, 8vw, 36px)/.98 var(--cond); text-transform: uppercase; margin: 2px 0 10px; }
.aviso__txt { margin: 0; color: var(--tinta-2); font-size: 17px; white-space: pre-line; }
a.btn { text-decoration: none; }
.aviso__t:focus { outline: none; }