/*
 * Estilos de Suma3D: morados profundos con azul menta, cama de impresión punteada y degradados de filamento.
 * Colores y tipografías en variables (:root), con modo oscuro automático o elegido por el usuario (data-theme).
 * Sin fuentes externas: se usan las del sistema (más rápido y sin enviar datos a terceros).
 * Bahnschrift viene con Windows; en otros sistemas se usa la siguiente de la lista.
 * Todas las animaciones respetan "reducir movimiento" del sistema.
 */
:root{
  --font-body:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-display:"Bahnschrift","DIN Alternate","Barlow","Roboto Condensed","Arial Narrow",var(--font-body);
  --font-mono:ui-monospace,"Cascadia Mono","SF Mono",Menlo,Consolas,monospace;
  --grad:linear-gradient(120deg,#7C3AED 0%,#3B82F6 55%,#2DD4BF 100%);
  --paper:#F5F3FF; --surface:#FFFFFF; --ink:#1E1537; --muted:#655E80; --line:#E4DEF5; --dot:#DCD3F3;
  --accent:#7C3AED; --on-accent:#FFFFFF; --accent-soft:#EDE5FF; --mint:#0D9488; --mint-soft:#CCFBF1; --ok:#0D9488;
  --hero-bg:#1A1033; --hero-ink:#F4F0FF; --hero-muted:#BDB2DE; --hero-line:#3A2D63;
  --tag-bg:#1A1033; --tag-ink:#F4F0FF; --tag-price:#5EEAD4;
  --s-material:#7C3AED; --s-maquina:#A78BFA; --s-tiempo:#C4B5FD; --s-extras:#DDD6FE; --s-envio:#60A5FA;
  --s-comision:#94A3B8; --s-iva:#655E80; --s-beneficio:#14B8A6;
  --danger:#B42318; --shadow:0 20px 44px -26px rgba(52,24,110,.5);
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#0F0A1F; --surface:#19122E; --ink:#F1ECFF; --muted:#A99FC9; --line:#2E2450; --dot:#221A3D;
    --accent:#A78BFA; --on-accent:#150C2B; --accent-soft:#2A1F4D; --mint:#5EEAD4; --mint-soft:#123B3A; --ok:#5EEAD4;
    --hero-bg:#160E2C; --hero-ink:#F4F0FF; --hero-muted:#B3A8D6; --hero-line:#33275A;
    --tag-bg:#0B0718; --tag-ink:#F4F0FF; --tag-price:#5EEAD4;
    --s-material:#A78BFA; --s-maquina:#7C3AED; --s-tiempo:#5B21B6; --s-extras:#3B2F66; --s-envio:#3B82F6;
    --s-comision:#64748B; --s-iva:#A99FC9; --s-beneficio:#5EEAD4; --danger:#FF8A80; --shadow:0 20px 44px -24px rgba(0,0,0,.85);
  }
}
:root[data-theme="dark"]{
  --paper:#0F0A1F; --surface:#19122E; --ink:#F1ECFF; --muted:#A99FC9; --line:#2E2450; --dot:#221A3D;
  --accent:#A78BFA; --on-accent:#150C2B; --accent-soft:#2A1F4D; --mint:#5EEAD4; --mint-soft:#123B3A; --ok:#5EEAD4;
  --hero-bg:#160E2C; --hero-ink:#F4F0FF; --hero-muted:#B3A8D6; --hero-line:#33275A;
  --tag-bg:#0B0718; --tag-ink:#F4F0FF; --tag-price:#5EEAD4;
  --s-material:#A78BFA; --s-maquina:#7C3AED; --s-tiempo:#5B21B6; --s-extras:#3B2F66; --s-envio:#3B82F6;
  --s-comision:#64748B; --s-iva:#A99FC9; --s-beneficio:#5EEAD4; --danger:#FF8A80; --shadow:0 20px 44px -24px rgba(0,0,0,.85);
}
@property --ang{syntax:"<angle>";inherits:false;initial-value:0deg}
@property --grow{syntax:"<percentage>";inherits:false;initial-value:100%}
html{scroll-padding-top:env(safe-area-inset-top,0px);-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion: no-preference){html{scroll-behavior:smooth}}
*,*::before,*::after{box-sizing:inherit}
/* fondo: cama de impresión punteada con un brillo morado y menta arriba */
body{margin:0;background-color:var(--paper);
  background-image:radial-gradient(60% 40% at 0% 0%,color-mix(in srgb,var(--accent) 14%,transparent),transparent 70%),
    radial-gradient(50% 35% at 100% 0%,color-mix(in srgb,var(--mint) 12%,transparent),transparent 70%),
    radial-gradient(var(--dot) 1px,transparent 1.4px);
  background-size:100% 900px,100% 900px,22px 22px;background-repeat:no-repeat,no-repeat,repeat;
  color:var(--ink);font:400 1rem/1.55 var(--font-body)}
::selection{background:var(--accent);color:var(--on-accent)}
.wrap{max-width:1080px;margin:0 auto;padding:18px 18px 120px}
h1,h2,.display{font-family:var(--font-display)}
h1{font-weight:700;font-size:clamp(2.1rem,6.4vw,3.6rem);line-height:1.02;letter-spacing:-.02em;margin:6px 0 14px}
header p{max-width:54ch;color:var(--muted);margin:0}
h2{font-weight:600;font-size:1.3rem;letter-spacing:-.005em;margin:0 0 14px}

.layout{display:grid;grid-template-columns:minmax(0,1fr);gap:26px;margin-top:26px}
@media (min-width:900px){
  .layout{grid-template-columns:minmax(0,1fr) 400px;align-items:start;gap:36px}
  .result{position:sticky;top:18px}
  .bar-mobile{display:none!important}
}

/* formulario: cada bloque es un paso numerado */
.form{counter-reset:step}
.form section{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:22px 20px;margin-bottom:14px;
  transition:border-color .2s ease,box-shadow .2s ease}
.form section:focus-within{border-color:color-mix(in srgb,var(--accent) 45%,var(--line));box-shadow:var(--shadow)}
.form section h2{display:flex;align-items:center;gap:12px}
.form section h2::before{counter-increment:step;content:counter(step,decimal-leading-zero);flex:none;
  font:600 .8rem/1 var(--font-mono);letter-spacing:.04em;color:#fff;background:var(--grad);padding:7px 8px;border-radius:8px;
  box-shadow:0 6px 14px -6px color-mix(in srgb,var(--accent) 70%,transparent)}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.f label{display:block;font-weight:600;font-size:.92rem;margin-bottom:6px}
.hint{font-size:.82rem;color:var(--muted);margin:5px 0 0}
.in{display:flex;align-items:center;background:var(--paper);border:1.5px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .15s ease,box-shadow .15s ease}
.in:hover{border-color:color-mix(in srgb,var(--accent) 40%,var(--line))}
.in:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.in input,.in select,.in textarea{flex:1;min-width:0;border:0;background:transparent;color:inherit;font:inherit;font-size:1rem;padding:11px 12px;outline:none;border-radius:0}
.in input[type=number]{font-variant-numeric:tabular-nums}
.in textarea{resize:vertical;min-height:76px}
.in select{appearance:auto}
.in select.unit{flex:0 0 auto;width:auto;padding:11px 8px;border-left:1.5px solid var(--line);cursor:pointer}
.in .u{padding:0 12px 0 0;color:var(--muted);font:500 .85rem var(--font-mono);white-space:nowrap}
.check{display:flex;gap:10px;align-items:flex-start;margin-top:16px;font-size:.95rem}
.check input{width:20px;height:20px;margin:2px 0 0;accent-color:var(--accent);flex:none}
.seg{display:inline-flex;background:var(--paper);border:1.5px solid var(--line);border-radius:999px;padding:3px;margin-top:4px}
.seg label{position:relative;margin:0;cursor:pointer}
.seg input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.seg span{display:block;padding:8px 18px;border-radius:999px;font-weight:600;font-size:.93rem}
.seg input:checked + span{background:var(--grad);color:#fff;box-shadow:0 6px 16px -8px var(--accent)}
.seg input:focus-visible + span{outline:2px solid var(--accent);outline-offset:2px}
.techs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:4px}
@media (min-width:640px){.techs{grid-template-columns:repeat(3,minmax(0,1fr))}}
.techs label{position:relative;margin:0;cursor:pointer}
.techs input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.techs span{display:block;height:100%;padding:12px 12px;border:1.5px solid var(--line);background:var(--paper);border-radius:14px;font-weight:600;font-size:.92rem;line-height:1.3;
  transition:border-color .15s ease,transform .15s ease,background .15s ease,box-shadow .15s ease}
.techs label:hover span{border-color:var(--accent)}
@media (prefers-reduced-motion: no-preference){.techs label:hover span{transform:translateY(-2px)}}
.techs input:checked + span{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 10px 22px -12px var(--accent)}
.techs input:focus-visible + span{outline:2px solid var(--accent);outline-offset:2px}
[hidden]{display:none!important}

/* perfiles guardados y desplegables */
.prof{margin-top:18px;border:1.5px solid var(--line);border-radius:14px;background:var(--paper)}
.prof summary{cursor:pointer;padding:11px 14px;font-weight:600;font-size:.95rem}
.prof summary::marker{color:var(--accent)}
.prof summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:14px}
.prof-body{padding:2px 14px 14px;display:grid;gap:12px}
.prof .in{background:var(--surface)}
.prof-row{display:flex;gap:8px;align-items:stretch;flex-wrap:wrap}
.prof-row .in{flex:1 1 180px}
.pmsg{min-height:1.2em;margin:0}

/* resultado: etiqueta de precio como un ticket */
.result{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:14px 14px 18px;box-shadow:var(--shadow)}
.tag{position:relative;overflow:hidden;color:var(--tag-ink);padding:20px 20px 26px;border-radius:16px 16px 4px 4px;
  background:radial-gradient(80% 120% at 100% 0%,color-mix(in srgb,#7C3AED 55%,transparent),transparent 60%),
    radial-gradient(70% 90% at 0% 100%,color-mix(in srgb,#2DD4BF 30%,transparent),transparent 60%),var(--tag-bg);
  -webkit-mask:radial-gradient(circle 6px at 50% 100%,transparent 98%,#000) 0 0/16px 100% repeat-x;
  mask:radial-gradient(circle 6px at 50% 100%,transparent 98%,#000) 0 0/16px 100% repeat-x}
.tag::before{content:"";position:absolute;right:16px;top:16px;width:46px;height:46px;border-radius:50%;
  background:repeating-linear-gradient(0deg,var(--tag-price) 0 3px,transparent 3px 6px);opacity:.3;pointer-events:none}
.tag .lbl{font:600 .74rem/1.3 var(--font-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--hero-muted);margin:0;max-width:85%}
.tag .price{display:inline-block;font-family:var(--font-display);font-weight:700;font-size:clamp(3rem,12vw,4.5rem);line-height:1;letter-spacing:-.02em;margin:8px 0 8px;
  font-variant-numeric:tabular-nums;color:var(--tag-price);
  background:linear-gradient(100deg,#5EEAD4 0%,#93C5FD 50%,#C4B5FD 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.tag .price.pop{animation:price-pop .45s cubic-bezier(.3,1.6,.5,1)}
@keyframes price-pop{0%{transform:scale(.94)}60%{transform:scale(1.04)}100%{transform:none}}
.tag .sub{font-size:.88rem;margin:0;color:var(--hero-muted)}
.tag .rec{font-size:.88rem;margin:4px 0 0;font-weight:500;color:var(--tag-ink)}
.warn{color:var(--danger);font-weight:600;margin:12px 0 0}
dl.stats{margin:20px 4px 0;display:grid;grid-template-columns:1fr auto;gap:0}
dl.stats dt,dl.stats dd{padding:8px 0;border-bottom:1px dashed var(--line)}
dl.stats dt{color:var(--muted)}
dl.stats dd{margin:0;font:600 .98rem var(--font-mono);text-align:right;font-variant-numeric:tabular-nums}
.result h3{font-family:var(--font-display);font-weight:600;font-size:1.05rem;margin:24px 4px 10px}
.stack{display:flex;gap:2px;height:16px;border-radius:999px;overflow:hidden;background:var(--line);margin:0 4px}
.stack i{display:block;height:100%;min-width:0}
@media (prefers-reduced-motion: no-preference){.stack i{transition:flex-basis .4s cubic-bezier(.3,1.2,.5,1)}}
.legend{list-style:none;margin:14px 4px 0;padding:0;display:grid;gap:8px}
.legend li{display:grid;grid-template-columns:12px 1fr auto;gap:10px;align-items:center;font-size:.92rem}
.legend .sw{width:12px;height:12px;border-radius:50%}
.legend .v{font:500 .9rem var(--font-mono);font-variant-numeric:tabular-nums}
.legend .p{color:var(--muted);font-weight:400;margin-left:6px}
.result .pricemode,.result .prof,.result .actions,.result .status,.result .warn{margin-left:4px;margin-right:4px}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.btn{font:inherit;font-weight:600;font-size:.95rem;border-radius:12px;padding:11px 16px;cursor:pointer;border:1.5px solid var(--ink);background:transparent;color:var(--ink);
  transition:transform .08s ease,background .15s ease,box-shadow .2s ease,filter .2s ease}
.btn:hover{background:var(--accent-soft)}
.btn.primary{position:relative;background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 10px 24px -10px var(--accent)}
.btn.primary:hover{filter:brightness(1.08) saturate(1.1);box-shadow:0 14px 30px -10px var(--accent)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn:active{transform:translateY(1px) scale(.99)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.small{padding:6px 12px;font-size:.86rem;border-width:1px;border-radius:999px}
.status{min-height:1.4em;font-size:.88rem;color:var(--muted);margin:10px 0 0}
.note{font-size:.82rem;color:var(--muted);margin-top:18px}

/* guardados */
.saved{margin-top:44px;padding:24px 20px;background:var(--surface);border:1px solid var(--line);border-radius:22px}
.saved ul{list-style:none;margin:0;padding:0}
.saved li{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px dashed var(--line)}
.saved li:last-child{border-bottom:0}
.saved .nm{font-weight:600;overflow-wrap:anywhere}
.saved .pv{color:var(--muted);font:.88rem var(--font-mono);font-variant-numeric:tabular-nums}
.saved .row-actions{display:flex;gap:8px;flex:none}
.empty{color:var(--muted);margin:0}

.chips3{grid-template-columns:repeat(3,minmax(0,1fr))}
.techs.chips2{grid-template-columns:repeat(2,minmax(0,1fr))}
.cmp{margin-top:20px}
.cmp .intro{padding:0 14px 8px}
.cmp ul{list-style:none;margin:0;padding:0 14px 6px}
.cmp li{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;padding:11px 0;border-top:1px dashed var(--line)}
.cmp .nm{display:block;font-weight:600}
.cmp .sub{display:block;font-size:.82rem;color:var(--muted);font-weight:400}
.cmp .num{text-align:right;font-variant-numeric:tabular-nums}
.cmp .num strong{font:600 1.02rem var(--font-mono)}
.savedhead{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.savedhead h2{margin:0}

/* lista de materiales (artesanía) */
.mrow{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:10px;padding:10px;border:1.5px solid var(--line);border-radius:14px;background:var(--paper)}
.mrow .in{background:var(--surface)}
.mrow .name{grid-column:1/-1}
.rowcost{display:flex;align-items:center;justify-content:space-between;gap:8px}
.r-cost{font:600 .95rem var(--font-mono);font-variant-numeric:tabular-nums}
.listtotal{display:flex;justify-content:space-between;gap:12px;margin:14px 0 18px;font-weight:600}

/* presupuesto */
dialog{border:1px solid var(--line);padding:0;border-radius:22px;background:var(--surface);color:var(--ink);overflow:auto;box-shadow:var(--shadow);
  width:min(580px,calc(100vw - 24px));max-height:calc(100vh - 24px);max-height:calc(100dvh - 24px)}
dialog::backdrop{background:rgba(15,8,32,.62);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
@media (prefers-reduced-motion: no-preference){dialog[open]{animation:dlg-in .3s cubic-bezier(.2,1.2,.4,1)}}
@keyframes dlg-in{from{opacity:0;transform:translateY(14px) scale(.97)}}
.dlg{padding:22px 20px 22px}
.dlg h2{margin-bottom:6px}
.dlg .grid{margin-top:14px}
#tkImg{display:block;width:100%;height:auto;margin-top:18px;border:1px solid var(--line);border-radius:10px;background:#fff}

/* barra móvil */
.bar-mobile{position:fixed;left:10px;right:10px;bottom:10px;display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:radial-gradient(80% 200% at 100% 0%,color-mix(in srgb,#7C3AED 50%,transparent),transparent 60%),var(--tag-bg);
  color:var(--tag-ink);text-decoration:none;border-radius:18px;box-shadow:0 12px 30px -10px rgba(20,8,50,.7);
  padding:12px 18px;margin-bottom:env(safe-area-inset-bottom,0px)}
.bar-mobile strong{font-family:var(--font-display);font-size:1.6rem;font-weight:700;font-variant-numeric:tabular-nums;color:var(--tag-price)}
.bar-mobile .go{font-size:.9rem;text-decoration:underline;text-underline-offset:3px}
.bar-mobile:focus-visible{outline:3px solid var(--mint);outline-offset:2px}

/* marca, idioma y moneda */
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px}
.brand svg{width:42px;height:42px;flex:none;display:block;filter:drop-shadow(0 6px 10px color-mix(in srgb,var(--accent) 35%,transparent))}
@media (prefers-reduced-motion: no-preference){a.brand:hover svg{transform:rotate(-10deg) scale(1.06)} .brand svg{transition:transform .3s cubic-bezier(.3,1.6,.5,1)}}
.wordmark{font-family:var(--font-display);font-weight:700;font-size:1.65rem;letter-spacing:-.01em;line-height:1}
.wordmark b{font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.prefs{display:flex;gap:8px;flex-wrap:wrap}
.prefs select{font:inherit;font-size:.9rem;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:999px;padding:7px 12px;cursor:pointer}
.prefs select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* precio propio */
.pricemode{margin-top:18px;display:grid;gap:12px}
/* "Precio sugerido / Pongo yo el precio": dos botones iguales; si el texto ocupa dos líneas, los dos crecen a la vez */
.pricemode .seg{display:grid;grid-template-columns:1fr 1fr;width:100%;border-radius:14px;margin:0}
.pricemode .seg label{display:flex}
.pricemode .seg span{flex:1;display:flex;align-items:center;justify-content:center;text-align:center;min-height:44px;border-radius:11px;
  padding:8px 10px;line-height:1.2;text-wrap:balance}
.verdict{margin:0;font-weight:500;padding:11px 13px;border-radius:12px;border:1.5px solid var(--line);background:var(--paper);line-height:1.4}
.verdict.good{border-color:var(--ok)}
.verdict.mid{border-color:#C98A1B}
.verdict.bad{border-color:var(--danger);color:var(--danger)}

/* logo del presupuesto */
.logorow{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:6px}
#tkLogoPrev{max-height:48px;max-width:150px;border:1px solid var(--line);border-radius:6px;background:#fff}
input[type=file]{font:inherit;font-size:.9rem;max-width:100%}

/* plan Pro */
.prefs .btn{font-size:.9rem;padding:7px 14px;background:var(--surface);border-color:var(--line)}
.prefs .btn:hover{border-color:var(--accent)}
.prefs .btn.on{background:var(--grad);border-color:transparent;color:#fff}
a.btn{display:inline-block;text-decoration:none}
.prolist{margin:12px 0;padding-left:20px}
.prolist li{margin:5px 0}
.prolist li::marker{color:var(--accent)}
.proprice{font-weight:600;margin:8px 0}

/* tema: que los controles nativos (desplegables) usen el tema correcto */
:root{color-scheme:light}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){color-scheme:dark}}
:root[data-theme="dark"]{color-scheme:dark}
:root[data-theme="light"]{color-scheme:light}
select option,select optgroup{background-color:var(--surface);color:var(--ink)}

/* modo sencillo */
html.simple .adv{display:none!important}
.modebar{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;margin:16px 0 0;padding:12px 14px;border:1px solid var(--line);border-radius:18px;background:var(--surface)}
.modebar .seg{margin:0}
.modebar .hint{margin:0;flex:1 1 240px}

/* consejos */
.tips{margin-top:16px;padding:18px 20px;border-radius:18px;
  background:linear-gradient(120deg,var(--accent-soft),var(--mint-soft));border:1px solid color-mix(in srgb,var(--accent) 25%,transparent)}
.tips h2{font-size:1.1rem;margin:0 0 8px}
.tips ul{margin:0 0 12px;padding-left:20px}
.tips li{margin:5px 0}
.tips li::marker{color:var(--accent)}

/* archivo del laminador */
.dropzone{display:block;border:2px dashed var(--line);border-radius:18px;padding:16px;text-align:center;cursor:pointer;background:var(--surface);
  transition:border-color .15s ease,transform .2s ease,background .15s ease}
.dropzone:hover,.dropzone.over{border-color:var(--accent);background:color-mix(in srgb,var(--accent-soft) 45%,var(--surface))}
.dropzone.over{transform:scale(1.01)}
.dropzone:focus-within{outline:2px solid var(--accent);outline-offset:2px}
.dropzone strong{display:block;font-size:1rem}
.dropzone span{display:block;font-size:.85rem;color:var(--muted);margin-top:3px}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.gcard{display:flex;gap:12px;align-items:flex-start;margin-top:12px;padding:12px;border:1.5px solid var(--accent);border-radius:16px;background:var(--paper)}
.gcard img{width:64px;height:64px;object-fit:contain;border-radius:10px;background:#fff;flex:none}
.gcard .gbody{flex:1;min-width:0;display:grid;gap:8px}
.gcard .gname{font-weight:600;overflow-wrap:anywhere}
.gcard .grow{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.gcard .in{background:var(--surface)}
.gerr{color:var(--danger);font-weight:500;margin:8px 0 0}
.filrow{display:grid;grid-template-columns:auto minmax(0,1fr) minmax(0,1fr);gap:8px;align-items:center;margin-top:8px}
.fsw{width:18px;height:18px;border-radius:50%;border:1px solid var(--line)}
.filtag{grid-column:2/-1;font-size:.85rem;color:var(--muted);margin-top:-4px}

/* precios por cantidad */
.tiertbl{width:100%;border-collapse:collapse;margin:0 0 6px;font-variant-numeric:tabular-nums}
.tiertbl th{font-size:.8rem;color:var(--muted);font-weight:500;text-align:right;padding:4px}
.tiertbl th:first-child,.tiertbl td:first-child{text-align:left}
.tiertbl td{padding:4px;text-align:right;font-family:var(--font-mono);font-size:.9rem}
.tiertbl input{width:58px;font:inherit;padding:6px;border:1.5px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink)}
.tiers{margin-top:12px}
.tiers .tierwrap{padding:0 14px 10px}
.loss{color:var(--danger);font-weight:600}

/* líneas del presupuesto */
.qline{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:8px;align-items:center;padding:8px 0;border-bottom:1px dashed var(--line)}
.qline .qn{font-weight:600;overflow-wrap:anywhere}
.qline .qp{display:block;font-size:.85rem;color:var(--muted);font-weight:400}
.qline .in{width:84px}
.tkadd{margin-top:10px}

/* productos guardados */
.saved li .thumb{width:40px;height:40px;object-fit:contain;border-radius:8px;background:#fff;flex:none}
.saved li .info{display:flex;gap:10px;align-items:center;min-width:0}
#searchBox{margin-bottom:12px;max-width:360px}

/* menú más */
#moreDlg h3{font-size:1rem;margin:20px 0 8px}
#moreDlg h3:first-of-type{margin-top:10px}

/* ---------- utilidades (sustituyen a los estilos que había escritos en el HTML) ---------- */
.span-all{grid-column:1/-1}
.mb-16{margin-bottom:16px}
.mt-8{margin-top:8px}
.mt-10{margin-top:10px}
.mt-12{margin-top:12px}
.mt-16{margin-top:16px}
.mt-18{margin-top:18px}
.m-0{margin:0}
.w-110{width:110px}
.filbox{margin:14px 0 16px}
#gInfo{white-space:pre-line}
a.brand{color:inherit;text-decoration:none}
a.brand:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:8px}

/* ---------- guía, menú y pie (páginas públicas) ---------- */
.guide{margin-top:44px;padding:28px 24px;background:var(--surface);border:1px solid var(--line);border-radius:22px}
.guide > *{max-width:72ch}
.guide h2{font-size:1.5rem;margin:0 0 12px}
.guide h3{font-family:var(--font-display);font-weight:600;font-size:1.12rem;margin:24px 0 8px}
.guide p,.guide li{color:var(--ink)}
.guide ol,.guide ul{padding-left:22px}
.guide li{margin:6px 0}
.guide li::marker{color:var(--accent)}
.guide a,.doc a{color:var(--accent);text-underline-offset:3px}
.faq{margin-top:30px;padding-top:24px;border-top:1px dashed var(--line)}
html[lang="en"] .guide[lang="es"],html[lang="es"] .guide[lang="en"]{display:none}
.sitenav{margin-top:44px;padding-top:24px;border-top:1px solid var(--line)}
.sitenav h2{font-size:1.1rem;margin:0 0 10px}
.sitenav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.sitenav a{display:inline-block;padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink);text-decoration:none;font-weight:500;font-size:.92rem;
  transition:border-color .15s ease,background .15s ease}
.sitenav a:hover{border-color:var(--accent)}
.sitenav h3{font:600 .76rem var(--font-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:20px 0 8px}
.sitenav a[aria-current="page"]{background:var(--grad);color:#fff;border-color:transparent}
.sitenav a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.foot{margin-top:24px;color:var(--muted);font-size:.85rem}
.foot a{color:inherit}

/* ---------- páginas de texto (privacidad, 404) ---------- */
.doc{max-width:72ch;margin-top:26px;padding:28px 24px;background:var(--surface);border:1px solid var(--line);border-radius:22px}
.doc h1{font-size:clamp(1.8rem,6vw,2.6rem)}
.doc h2{margin-top:28px}

/* ---------- portada: primera pantalla ---------- */
/* Bloque oscuro con aurora morada y menta. A la derecha, el cubo del logo "recién impreso" y una etiqueta con el precio real del formulario. */
.hero{position:relative;margin-top:18px;padding:34px 30px 30px;border-radius:26px;color:var(--hero-ink);border:1px solid var(--hero-line);overflow:hidden;isolation:isolate;
  display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:28px;align-items:center;
  background:radial-gradient(45% 70% at 12% 18%,rgba(124,58,237,.55),transparent 70%),
    radial-gradient(40% 60% at 88% 92%,rgba(45,212,191,.38),transparent 70%),
    radial-gradient(35% 55% at 60% 10%,rgba(59,130,246,.30),transparent 70%),var(--hero-bg);
  background-size:150% 150%,150% 150%,150% 150%,100% 100%;box-shadow:0 30px 60px -36px rgba(60,20,140,.7)}
.hero-text{min-width:0}
.hero h1{position:relative;z-index:1;max-width:19ch;
  background:linear-gradient(100deg,#FFFFFF 0%,#FFFFFF 40%,#C4B5FD 55%,#5EEAD4 70%,#FFFFFF 85%);background-size:250% 100%;background-position:0 0;
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p{position:relative;z-index:1;font-size:1.06rem;color:var(--hero-muted);max-width:50ch}
.hero-art{display:flex;flex-direction:column;align-items:center;gap:6px}
.hero-cube{width:150px;height:auto;
  -webkit-mask:linear-gradient(0deg,#000 var(--grow,100%),transparent var(--grow,100%));mask:linear-gradient(0deg,#000 var(--grow,100%),transparent var(--grow,100%))}
.hero-cube .bed{fill:#5EEAD4;opacity:.3}
.hero-art{position:relative}
.hero-art::before{content:"";position:absolute;left:50%;top:0;width:170px;height:150px;transform:translateX(-50%);pointer-events:none;
  background:radial-gradient(closest-side,rgba(124,58,237,.55),transparent)} /* brillo detrás del cubo */
.hero-cube,.hero-tag{position:relative}
.hero-tag{display:grid;gap:4px;width:100%;padding:14px 16px;border-radius:16px;text-decoration:none;color:var(--hero-ink);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  transition:border-color .2s ease,background .2s ease}
.hero-tag:hover{border-color:#5EEAD4;background:rgba(255,255,255,.1)}
.hero-tag:focus-visible{outline:2px solid #5EEAD4;outline-offset:3px}
.ht-lbl{font:600 .7rem/1.3 var(--font-mono);text-transform:uppercase;letter-spacing:.07em;color:var(--hero-muted)}
.ht-price{font:700 2.3rem/1.05 var(--font-display);font-variant-numeric:tabular-nums;letter-spacing:-.01em;
  background:linear-gradient(100deg,#5EEAD4 0%,#93C5FD 50%,#C4B5FD 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.ht-bar{display:flex;gap:2px;height:8px;border-radius:999px;overflow:hidden;background:rgba(255,255,255,.12);margin:4px 0 2px}
.ht-bar i{display:block;height:100%;min-width:0}
.ht-sub{font-size:.78rem;color:var(--hero-muted)}
@media (prefers-reduced-motion: no-preference){
  .hero{animation:aurora 16s ease-in-out infinite alternate}
  .hero h1{animation:shine 6s ease-in-out 1s infinite}
  .hero-cube{animation:print-grow 1s cubic-bezier(.3,.7,.3,1) both .15s} /* una sola vez y rápido */
  .ht-bar i{transition:flex-basis .4s ease}
}
@keyframes aurora{0%{background-position:0% 0%,100% 100%,50% 0%,0 0}50%{background-position:60% 40%,40% 60%,20% 30%,0 0}100%{background-position:100% 20%,0% 80%,80% 10%,0 0}}
@keyframes shine{0%,55%{background-position:100% 0}85%,100%{background-position:0 0}}
@keyframes print-grow{from{--grow:0%}to{--grow:100%}}
.trust{position:relative;z-index:1;list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 0;padding:0}
.trust li{font-size:.85rem;font-weight:600;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);color:var(--hero-ink);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.start{margin-top:16px}
/* zona para soltar el archivo: borde con degradado que gira */
.start .dropzone{padding:24px 16px;border:2px solid transparent;
  background:linear-gradient(var(--surface),var(--surface)) padding-box,conic-gradient(from var(--ang),#7C3AED,#3B82F6,#2DD4BF,#A78BFA,#7C3AED) border-box;
  box-shadow:var(--shadow)}
.start .dropzone:hover,.start .dropzone.over{background:linear-gradient(color-mix(in srgb,var(--accent-soft) 50%,var(--surface)),color-mix(in srgb,var(--accent-soft) 50%,var(--surface))) padding-box,
  conic-gradient(from var(--ang),#7C3AED,#3B82F6,#2DD4BF,#A78BFA,#7C3AED) border-box}
@media (prefers-reduced-motion: no-preference){.start .dropzone{animation:spin-border 6s linear infinite}}
@keyframes spin-border{to{--ang:360deg}}
.start .dropzone strong{font-family:var(--font-display);font-size:1.2rem;font-weight:600}
.start-or{font-size:.88rem;color:var(--muted);text-align:center;margin:10px 0 0}
/* aviso de la app móvil dentro de la cabecera */
.app-cta{position:relative;z-index:1;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:6px 12px;margin-top:18px;max-width:560px;
  padding:12px 14px;border-radius:16px;background:rgba(94,234,212,.10);border:1px solid rgba(94,234,212,.38)}
.ac-ico{font-size:1.6rem;line-height:1}
.ac-txt{display:grid;gap:1px;min-width:0}
.ac-txt strong{font-family:var(--font-display);font-size:1.02rem;font-weight:600;color:var(--hero-ink)}
.ac-txt span{font-size:.84rem;color:var(--hero-muted)}
.ac-btn{background:var(--grad);border:0;color:#fff;padding:9px 16px;font-size:.92rem;white-space:nowrap;box-shadow:0 8px 20px -10px #2DD4BF}
.ac-btn:hover{background:var(--grad);filter:brightness(1.1)}
.ac-hint{grid-column:1/-1;margin:2px 0 0;font-size:.86rem;color:var(--hero-ink)}
@media (max-width:900px){
  .hero{grid-template-columns:minmax(0,1fr) 210px;gap:20px}
  .hero-cube{width:120px}
}
/* ---------- móvil ---------- */
@media (max-width:640px){
  .wrap{padding:12px 14px 110px}
  /* barra superior: marca arriba y los controles en una fila que ocupa todo el ancho */
  .top{gap:10px}
  .brand svg{width:34px;height:34px}
  .wordmark{font-size:1.4rem}
  .prefs{width:100%;gap:6px}
  .prefs > *{flex:1 1 auto}
  .prefs .btn,.prefs select{padding:8px 10px;font-size:16px;text-align:center;white-space:nowrap} /* 16px: iPhone no hace zoom al tocar */
  .hero{margin-top:12px;padding:20px 16px 18px;border-radius:20px}
  .hero h1{font-size:1.72rem;line-height:1.08;margin:0 0 10px;max-width:none}
  .hero p{font-size:.93rem;line-height:1.5}
  /* móvil: la escena va debajo del texto en una tira compacta (cubo pequeño + etiqueta) */
  .hero{grid-template-columns:minmax(0,1fr);gap:14px}
  .hero-art{flex-direction:row;align-items:center;gap:12px}
  .hero-cube{width:64px;flex:none}
  .hero-art::before{left:32px;top:50%;width:90px;height:90px;transform:translate(-50%,-50%)}
  .hero-tag{padding:10px 12px;gap:2px}
  .ht-price{font-size:1.7rem}
  .ht-sub{display:none}
  .trust li:nth-child(3){display:none}
  .app-cta{grid-template-columns:auto minmax(0,1fr);margin-top:14px;padding:12px}
  .ac-btn{grid-column:1/-1;width:100%;padding:11px;font-size:1rem}
  .trust{gap:6px;margin-top:14px}
  .trust li{font-size:.75rem;padding:4px 9px}
  .start .dropzone{padding:16px 12px}
  .start .dropzone strong{font-size:1.02rem;line-height:1.35}
  .start .dropzone span + span{display:none}
  .start-or{font-size:.82rem}
  /* interruptores de dos opciones: mitad y mitad, sin partir el texto */
  .modebar{padding:10px}
  .modebar .seg,.dlg .seg{display:grid;grid-auto-columns:1fr;grid-auto-flow:column;width:100%;border-radius:14px}
  .modebar .seg label,.dlg .seg label{display:flex}
  .modebar .seg span,.dlg .seg span{flex:1;display:flex;align-items:center;justify-content:center;text-align:center;min-height:42px;border-radius:11px;padding:8px;line-height:1.2}
  .seg span{font-size:.9rem}
  .tips{padding:14px 14px;margin-top:12px}
  .tips ul{padding-left:18px;font-size:.9rem}
  .layout{gap:16px;margin-top:16px}
  /* formulario compacto: dos casillas por fila, todas alineadas */
  .form section{padding:16px 12px 14px;border-radius:18px;margin-bottom:10px}
  .form section h2{font-size:1.12rem;margin-bottom:12px;gap:10px}
  .form section h2::before{padding:5px 6px;font-size:.72rem}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 10px}
  .f label{font-size:.84rem;line-height:1.25;margin-bottom:5px}
  /* cada campo usa tres filas compartidas (etiqueta, casilla, ayuda): las casillas de una misma fila quedan a la misma altura */
  .form .grid{row-gap:4px}
  .form .grid > .f{display:grid;grid-row:span 3;grid-template-rows:subgrid;row-gap:0;margin-bottom:10px}
  .form .grid > .f > label{align-self:end}
  .form .grid > .f > .hint{align-self:start}
  /* los desplegables sin número necesitan el ancho entero para no cortar el texto */
  .form .grid > .f:has(> .in > select:only-child){grid-column:1/-1}
  .in{border-radius:10px}
  .in input,.in select,.in textarea{padding:9px 10px}
  .in select.unit{padding:9px 4px}
  .in .u{padding-right:9px;font-size:.78rem}
  .hint{font-size:.76rem;line-height:1.35;margin-top:4px}
  .mt-16{margin-top:12px}
  .mb-16{margin-bottom:12px}
  .techs{gap:6px}
  .techs span{padding:9px 8px;font-size:.84rem;border-radius:12px}
  .chips3 span{text-align:center}
  .check{margin-top:12px;font-size:.9rem}
  .note{margin-top:12px}
  .prof{margin-top:12px}
  .mrow{gap:6px;padding:8px}
  .result{padding:10px 10px 14px;border-radius:20px}
  .tag{padding:16px 14px 22px}
  dl.stats{margin-top:14px}
  dl.stats dt,dl.stats dd{padding:6px 0;font-size:.9rem}
  .result h3{margin-top:18px}
  .actions{gap:8px;margin-top:16px}
  .actions .btn{flex:1 1 auto}
  .why,.saved,.guide,.sitenav{margin-top:28px}
  .why-grid{gap:10px}
  .guide,.doc,.saved{padding:18px 14px}
  .why-card{padding:16px 14px 14px}
  .dlg{padding:18px 14px}
}
@media (max-width:340px){
  .grid{grid-template-columns:minmax(0,1fr)}
}

/* por qué Suma3D */
.why{margin-top:44px;counter-reset:why}
.why h2{font-size:1.5rem}
.why-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.why-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:20px 18px 18px;overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.why-card::before{counter-increment:why;content:counter(why,decimal-leading-zero);display:inline-block;font:600 .8rem var(--font-mono);color:#fff;
  background:var(--grad);padding:5px 8px;border-radius:8px;margin-bottom:12px}
.why-card::after{content:"";position:absolute;inset:auto -30% -60% auto;width:160px;height:160px;border-radius:50%;
  background:radial-gradient(circle,color-mix(in srgb,var(--mint) 30%,transparent),transparent 70%);opacity:0;transition:opacity .3s ease;pointer-events:none}
.why-card:hover{border-color:var(--accent);box-shadow:var(--shadow)}
.why-card:hover::after{opacity:1}
@media (prefers-reduced-motion: no-preference){.why-card:hover{transform:translateY(-4px)}}
.why-card h3{font-family:var(--font-display);font-size:1.1rem;font-weight:600;margin:0 0 6px}
.why-card p{margin:0;color:var(--muted);font-size:.93rem}

/* guías: tablas de precios orientativos */
.guide table{width:100%;border-collapse:collapse;margin:14px 0;font-size:.93rem;font-variant-numeric:tabular-nums}
.guide th,.guide td{text-align:left;padding:8px 10px;border-bottom:1px dashed var(--line)}
.guide th{color:var(--muted);font-weight:600;font-size:.85rem}
.guide .note{font-size:.85rem;color:var(--muted)}