/* QREterno — estilo "carta de bistró": crema, tomate, albahaca y mostaza */
:root {
  --bg: #fbf4e8;
  --paper: #fffaf1;
  --ink: #23201c;
  --muted: #6b6358;
  --line: #e4d6bf;
  --tomato: #c8432b;
  --tomato-ink: #fff;
  --tomato-soft: #f8ddd3;
  --basil: #2f6b4f;
  --basil-soft: #d9eadf;
  --mustard: #e3a23b;
  --mustard-soft: #f9e8c6;
  --plum: #6d3b5e;
  --serif: "Young Serif", Georgia, "Times New Roman", serif;
  --sans: "Instrument Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --r: 18px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1714;
    --paper: #24201b;
    --ink: #f3ebdd;
    --muted: #bcb09d;
    --line: #3d352c;
    --tomato: #e8664c;
    --tomato-ink: #1a1714;
    --tomato-soft: #45261e;
    --basil: #6fbf95;
    --basil-soft: #213a2c;
    --mustard: #eab65a;
    --mustard-soft: #43361d;
    --plum: #c28ab0;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 var(--sans); overflow-x: hidden; }
img, canvas, svg { max-width: 100%; }
a { color: var(--tomato); text-underline-offset: 3px; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.1; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.2rem, 6vw, 4.2rem); }
h2 { font-size: clamp(1.7rem, 4vw, 2.6rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }
code { font: .88em ui-monospace, Consolas, monospace; background: var(--mustard-soft); padding: .05em .35em; border-radius: 5px; }
:focus-visible { outline: 3px solid var(--mustard); outline-offset: 2px; }
.wrap { width: min(1240px, 100% - 32px); margin-inline: auto; }
.narrow { width: min(820px, 100% - 32px); margin-inline: auto; }
.muted { color: var(--muted); }
.small { font-size: .9rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Cabecera */
.top { background: var(--paper); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 40; }
.top .wrap { display: flex; align-items: center; gap: 18px; height: 66px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 1.35rem var(--serif); }
.stamp {
  width: 40px; height: 40px; border-radius: 50%; background: var(--tomato); color: #fff;
  display: grid; place-items: center; font: 700 .8rem var(--sans); letter-spacing: .02em;
  outline: 2px dashed var(--tomato); outline-offset: 3px;
}
.nav { margin-left: auto; display: flex; gap: 20px; font-weight: 600; font-size: .95rem; }
.nav a { color: var(--ink); text-decoration: none; }
.nav a:hover { color: var(--tomato); }
@media (max-width: 900px) { .nav { display: none; } .top .btn { margin-left: auto; } }

/* Botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 11px 20px; border-radius: 999px; border: 2px solid transparent;
  font: 700 .95rem/1 var(--sans); cursor: pointer; text-decoration: none; transition: transform .1s, background .15s;
  background: var(--tomato); color: var(--tomato-ink);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(1px); }
.btn-basil { background: var(--basil); color: var(--paper); }
.btn-mustard { background: var(--mustard); color: #23201c; }
.btn-line { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-sm { min-height: 38px; padding: 8px 14px; font-size: .88rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .45; cursor: not-allowed; transform: none; }

/* Hero */
.hero { padding: 54px 0 34px; }
.hero-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 40px; align-items: center; }
.eyebrow { font: 700 .8rem var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--basil); margin-bottom: 14px; display: block; }
.hero h1 em { font-style: normal; color: var(--tomato); }
.lead { font-size: 1.15rem; max-width: 620px; color: var(--muted); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
@media (max-width: 900px) { .hero { padding-top: 30px; } .hero-grid { grid-template-columns: 1fr; } }

/* Ticket con comparación de precios (líneas de puntos como en una carta) */
.ticket {
  background: var(--paper); padding: 26px 24px; border-radius: 6px; position: relative;
  box-shadow: 0 18px 40px -22px rgba(60, 40, 20, .45);
  -webkit-mask: radial-gradient(circle 8px at 0 50%, #0000 98%, #000) left / 51% 100% no-repeat, radial-gradient(circle 8px at 100% 50%, #0000 98%, #000) right / 51% 100% no-repeat;
          mask: radial-gradient(circle 8px at 0 50%, #0000 98%, #000) left / 51% 100% no-repeat, radial-gradient(circle 8px at 100% 50%, #0000 98%, #000) right / 51% 100% no-repeat;
  transform: rotate(1.5deg);
}
.ticket h2 { font-size: 1.4rem; text-align: center; margin-bottom: 4px; }
.ticket .sub { text-align: center; color: var(--muted); font-size: .85rem; margin-bottom: 16px; border-bottom: 2px dashed var(--line); padding-bottom: 12px; }
.leaders { list-style: none; padding: 0; margin: 0; }
.leaders li { display: flex; align-items: baseline; gap: 8px; padding: 6px 0; }
.leaders li::after { content: ""; order: 2; flex: 1; border-bottom: 2px dotted var(--muted); opacity: .5; transform: translateY(-4px); }
.leaders li span:last-child { order: 3; font-weight: 700; white-space: nowrap; }
.leaders li.win span:last-child { color: var(--basil); }
.leaders li.lose span:last-child { color: var(--tomato); }
.ticket .total { margin-top: 12px; border-top: 2px dashed var(--line); padding-top: 12px; text-align: center; font-family: var(--serif); font-size: 1.15rem; }

/* App */
.app { display: grid; grid-template-columns: 220px minmax(0, 1fr) 380px; gap: 22px; align-items: start; padding: 10px 0 40px; }
.types { position: sticky; top: 84px; display: flex; flex-direction: column; gap: 4px; }
.types-title { font: 700 .78rem var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin: 0 0 6px 10px; }
.type {
  display: flex; align-items: center; gap: 10px; width: 100%; text-align: left;
  padding: 10px 12px; border-radius: 12px; border: 0; background: transparent; color: var(--ink);
  font: 600 .95rem var(--sans); cursor: pointer;
}
.type:hover { background: var(--paper); }
.type[aria-selected=true] { background: var(--ink); color: var(--bg); }
.type .ic { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; font-size: 1rem; flex: none; background: var(--c, var(--mustard-soft)); }
.type small { display: block; font-weight: 500; font-size: .75rem; opacity: .7; }

.panel { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 24px; }
.panel + .panel { margin-top: 18px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.panel-head h2 { font-size: 1.55rem; margin: 0; }
.panel-head p { margin: 4px 0 0; color: var(--muted); font-size: .92rem; }

.preview { position: sticky; top: 84px; }
@media (max-width: 1100px) {
  .app { grid-template-columns: minmax(0, 1fr) 340px; }
  .types { position: static; grid-column: 1 / -1; flex-direction: row; overflow-x: auto; padding-bottom: 6px; scrollbar-width: thin; }
  .types-title { display: none; }
  .type { width: auto; flex: none; white-space: nowrap; }
  .type small { display: none; }
}
@media (max-width: 760px) {
  .app { grid-template-columns: 1fr; }
  .preview { position: static; }
  .app > div { display: contents; }
  .types { order: 0; } .app .panel:first-of-type { order: 1; } .preview { order: 2; } .app .panel + .panel { order: 3; margin-top: 0; }
}

/* Formularios */
.field { margin-bottom: 16px; }
.lbl { display: block; font-weight: 700; font-size: .92rem; margin-bottom: 6px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.row3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
@media (max-width: 520px) { .row, .row3 { grid-template-columns: 1fr; } }
input[type=text], input[type=url], input[type=tel], input[type=email], input[type=number], input[type=datetime-local], input[type=search], select, textarea {
  width: 100%; min-height: 46px; padding: 10px 12px; border-radius: 12px;
  border: 1.5px solid var(--line); background: var(--bg); color: var(--ink); font: 500 1rem var(--sans);
}
textarea { min-height: 96px; resize: vertical; line-height: 1.5; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--tomato); background: var(--paper); }
.hint { font-size: .85rem; color: var(--muted); margin-top: 6px; }
.note { padding: 12px 14px; border-radius: 12px; font-size: .9rem; background: var(--mustard-soft); margin-bottom: 16px; }
.note.ok { background: var(--basil-soft); }
.note.bad { background: var(--tomato-soft); }
.check { display: flex; gap: 10px; align-items: center; font-weight: 600; cursor: pointer; }
.check input { width: 20px; height: 20px; accent-color: var(--tomato); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { border: 1.5px solid var(--line); background: var(--bg); color: var(--ink); border-radius: 999px; padding: 6px 12px; font: 600 .85rem var(--sans); cursor: pointer; }
.chip:hover, .chip[aria-pressed=true] { border-color: var(--tomato); background: var(--tomato-soft); }

/* Diseño del QR */
.swatches { display: flex; flex-wrap: wrap; gap: 8px; }
.sw { width: 40px; height: 40px; border-radius: 50%; border: 3px solid var(--paper); box-shadow: 0 0 0 1.5px var(--line); cursor: pointer; padding: 0; }
.sw[aria-pressed=true] { box-shadow: 0 0 0 3px var(--tomato); }
.colors { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
@media (max-width: 520px) { .colors { grid-template-columns: 1fr 1fr; } }
.colors label { font-size: .8rem; font-weight: 700; display: block; margin-bottom: 4px; }
input[type=color] { width: 100%; height: 44px; border: 1.5px solid var(--line); border-radius: 12px; background: var(--bg); padding: 3px; cursor: pointer; }
.opt-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(84px, 1fr)); gap: 8px; }
.opt { border: 1.5px solid var(--line); background: var(--bg); border-radius: 12px; padding: 8px 4px 6px; cursor: pointer; color: var(--ink); font: 600 .78rem var(--sans); display: grid; justify-items: center; gap: 4px; }
.opt svg { width: 34px; height: 34px; }
.opt[aria-pressed=true] { border-color: var(--tomato); background: var(--tomato-soft); }
.drop { display: block; border: 2px dashed var(--line); border-radius: 14px; padding: 16px; text-align: center; cursor: pointer; color: var(--muted); font-size: .9rem; }
.drop.over { border-color: var(--tomato); background: var(--tomato-soft); }
.drop img { max-height: 54px; display: block; margin: 0 auto 8px; }
input[type=range] { width: 100%; accent-color: var(--tomato); }

/* Tarjeta de vista previa */
.qr-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 20px; text-align: center; position: relative; }
.qr-frame { background: #fff; border-radius: 14px; padding: 10px; display: inline-block; position: relative; box-shadow: 0 10px 30px -18px rgba(0,0,0,.5); }
#qrCanvas { width: 100%; max-width: 300px; height: auto; display: block; aspect-ratio: 1; }
.example { position: absolute; top: 12px; right: 12px; z-index: 1; background: var(--mustard); color: #23201c; font: 800 .72rem var(--sans); letter-spacing: .08em; text-transform: uppercase; padding: 5px 10px; border-radius: 6px; transform: rotate(6deg); }
.meter { margin: 14px 0 4px; display: grid; gap: 6px; text-align: left; font-size: .88rem; }
.meter div { display: flex; justify-content: space-between; gap: 10px; border-bottom: 1px dotted var(--line); padding-bottom: 4px; }
.meter b.ok { color: var(--basil); }
.meter b.warn { color: var(--tomato); }
.dl { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 14px; }
.payload { margin-top: 12px; text-align: left; }
.payload summary { cursor: pointer; font-weight: 600; font-size: .88rem; color: var(--muted); }
.payload pre { white-space: pre-wrap; word-break: break-all; font: .78rem/1.5 ui-monospace, Consolas, monospace; background: var(--bg); padding: 10px; border-radius: 10px; max-height: 160px; overflow: auto; margin: 8px 0 0; }

/* Estudio de impresión */
.studio { background: var(--ink); color: var(--bg); padding: 60px 0; }
.studio .eyebrow { color: var(--mustard); }
.studio h2 { color: var(--bg); }
.studio .lead { color: color-mix(in srgb, var(--bg) 75%, transparent); }
.studio-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 30px; margin-top: 26px; align-items: start; }
@media (max-width: 860px) { .studio-grid { grid-template-columns: 1fr; } }
.formats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 20px; }
@media (max-width: 520px) { .formats { grid-template-columns: 1fr 1fr; } }
.fmt { border: 1.5px solid color-mix(in srgb, var(--bg) 25%, transparent); background: transparent; color: var(--bg); border-radius: 14px; padding: 12px 10px; text-align: left; cursor: pointer; font: 600 .9rem/1.25 var(--sans); }
.fmt span { display: block; font-size: 1.4rem; margin-bottom: 4px; }
.fmt small { display: block; font-weight: 500; opacity: .7; font-size: .76rem; margin-top: 2px; }
.fmt[aria-pressed=true] { background: var(--mustard); color: #23201c; border-color: var(--mustard); }
.studio .lbl { color: var(--bg); }
.studio input[type=text], .studio select { background: color-mix(in srgb, var(--bg) 8%, var(--ink)); border-color: color-mix(in srgb, var(--bg) 25%, transparent); color: var(--bg); }
.studio .hint { color: color-mix(in srgb, var(--bg) 65%, transparent); }
.studio .sw { border-color: var(--ink); }
.sheet { background: #8a8378; border-radius: 16px; padding: 18px; display: grid; place-items: center; min-height: 300px; }
#studioCanvas { max-height: 560px; width: auto; max-width: 100%; box-shadow: 0 16px 40px rgba(0,0,0,.35); background: #fff; }

/* Secciones de contenido */
section.block { padding: 64px 0; }
section.block.tint { background: var(--paper); border-block: 1px solid var(--line); }
.intro { max-width: 740px; font-size: 1.08rem; color: var(--muted); }
.rubros { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 16px; margin-top: 28px; }
.rubro { background: var(--bg); border: 1px solid var(--line); border-radius: var(--r); padding: 20px; border-top: 6px solid var(--c, var(--tomato)); }
.tint .rubro { background: var(--bg); }
.rubro .emo { font-size: 2rem; line-height: 1; }
.rubro h3 { margin: 10px 0 6px; }
.rubro p { font-size: .95rem; color: var(--muted); }
.rubro .chips { margin-top: 10px; }

.menu-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 26px; }
@media (max-width: 760px) { .menu-compare { grid-template-columns: 1fr; } }
.menu-card { background: var(--paper); border: 1px solid var(--line); border-radius: 6px; padding: 26px; }
.menu-card h3 { text-align: center; font-size: 1.5rem; }
.menu-card .tag { display: block; text-align: center; font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; font-weight: 700; margin-bottom: 14px; }
.menu-card.good .tag { color: var(--basil); }
.menu-card.bad .tag { color: var(--tomato); }

.table-wrap { overflow-x: auto; margin-top: 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--paper); }
table { width: 100%; border-collapse: collapse; min-width: 560px; font-size: .95rem; }
th, td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--line); }
th { font: 700 .8rem var(--sans); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); background: var(--bg); }

.tips { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; margin-top: 26px; counter-reset: t; }
.tip { counter-increment: t; padding: 20px; border-radius: var(--r); background: var(--paper); border: 1px solid var(--line); }
.tip::before { content: counter(t, decimal-leading-zero); font: 2rem var(--serif); color: var(--tomato); display: block; margin-bottom: 6px; }

.carta-promo { display: grid; grid-template-columns: 1.1fr .9fr; gap: 30px; align-items: center; background: var(--tomato); color: #fff; border-radius: 28px; padding: clamp(24px, 5vw, 48px); }
.carta-promo h2 { color: #fff; }
.carta-promo p { color: #fde8e1; }
.carta-promo ul { padding-left: 1.2em; margin: 0 0 18px; }
.carta-promo .btn { background: #fff; color: #9e2f1c; }
.mini-menu { background: #fffaf1; color: #23201c; border-radius: 10px; padding: 20px; transform: rotate(-2deg); font-size: .92rem; }
.mini-menu h3 { text-align: center; color: #9e2f1c; margin-bottom: 2px; }
.mini-menu .leaders li::after { border-color: #6b6358; }
@media (max-width: 760px) { .carta-promo { grid-template-columns: 1fr; } }

.faq { display: grid; gap: 10px; margin-top: 24px; }
.faq details { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; }
.faq summary { cursor: pointer; padding: 16px 18px; font-weight: 700; list-style: none; display: flex; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; margin-left: auto; color: var(--tomato); font: 1.4rem/1 var(--serif); }
.faq details[open] summary::after { content: "−"; }
.faq details > div { padding: 0 18px 14px; color: var(--muted); }

/* Pie */
.foot { background: var(--ink); color: color-mix(in srgb, var(--bg) 80%, transparent); padding: 46px 0 28px; font-size: .92rem; }
.foot a { color: var(--bg); }
.foot-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 28px; }
.foot h3 { color: var(--bg); font-size: 1.05rem; }
.foot ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.foot .brand { color: var(--bg); margin-bottom: 10px; }
.foot-bottom { margin-top: 28px; padding-top: 16px; border-top: 1px solid color-mix(in srgb, var(--bg) 20%, transparent); font-size: .82rem; }
@media (max-width: 760px) { .foot-grid { grid-template-columns: 1fr; } }

.toast {
  position: fixed; left: 50%; bottom: 20px; transform: translate(-50%, 160%); visibility: hidden;
  background: var(--ink); color: var(--bg); padding: 12px 20px; border-radius: 999px; font-weight: 700; z-index: 90;
  transition: transform .25s, visibility .25s; max-width: calc(100% - 32px); text-align: center;
}
.toast.show { transform: translate(-50%, 0); visibility: visible; }

/* Constructor de carta */
.builder { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 24px; align-items: start; padding: 10px 0 50px; }
@media (max-width: 900px) { .builder { grid-template-columns: 1fr; } }
.sec { border: 1px solid var(--line); border-radius: 14px; padding: 14px; margin-bottom: 14px; background: var(--bg); }
.sec-head { display: flex; gap: 8px; align-items: center; margin-bottom: 10px; }
.sec-head input { font-family: var(--serif); font-size: 1.1rem; }
.item { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1.6fr) 110px auto; gap: 6px; margin-bottom: 6px; align-items: center; }
.item input { min-height: 40px; padding: 8px 10px; font-size: .92rem; }
@media (max-width: 620px) { .item { grid-template-columns: 1fr 110px auto; } .item .desc { grid-column: 1 / 3; grid-row: 2; } }
.icon-btn { width: 38px; height: 38px; border-radius: 10px; border: 1.5px solid var(--line); background: var(--paper); color: var(--ink); cursor: pointer; font-weight: 800; flex: none; }
.icon-btn:hover { border-color: var(--tomato); color: var(--tomato); }
.themes { display: flex; gap: 8px; flex-wrap: wrap; }
.size-bar { height: 10px; border-radius: 99px; background: var(--line); overflow: hidden; margin-top: 6px; }
.size-bar i { display: block; height: 100%; background: var(--basil); width: 0; transition: width .2s; }
.size-bar i.warn { background: var(--mustard); }
.size-bar i.bad { background: var(--tomato); }

/* Páginas de texto */
.doc { padding: 40px 0 70px; }
.doc .panel { padding: clamp(20px, 5vw, 44px); }
.doc h2 { font-size: 1.5rem; margin-top: 1.5em; }
.doc li { margin-bottom: .4em; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }