/* =============================================================
   1. Fuentes (en la propia web: no se piden a Google, no hay cookies)
   ============================================================= */
@font-face { font-family: "Fraunces"; font-style: normal; font-weight: 500; font-display: swap; src: url("/fuentes/fraunces-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Fraunces"; font-style: italic; font-weight: 400; font-display: swap; src: url("/fuentes/fraunces-latin-400-italic.woff2") format("woff2"); }
@font-face { font-family: "Instrument Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url("/fuentes/instrument-sans-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Instrument Sans"; font-style: normal; font-weight: 600; font-display: swap; src: url("/fuentes/instrument-sans-latin-600-normal.woff2") format("woff2"); }

/* =============================================================
   2. Colores: los del modo oscuro de PB Athlete y pedrobelmonte.com
   ============================================================= */
:root {
  color-scheme: dark;
  --fondo: #1F1F1E;
  --tarjeta: #2F2F2E;
  --campo: #262625;
  --tinta: #F2F2EE;
  --suave: #ADADA6;
  --linea: #3D3D3B;
  --verde: #b4f028;
  --verde-tinta: #121A02;
  --aviso: #f0c428;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --radio: 18px;
  --ancho: 720px;
}

/* =============================================================
   3. Base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  background: var(--fondo);
  color: var(--tinta);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--verde); }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
p { text-wrap: pretty; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.1; letter-spacing: -0.015em; text-wrap: balance; }
h1 em, h2 em { font-style: italic; font-weight: 400; color: var(--verde); }
:focus-visible { outline: 2px solid var(--verde); outline-offset: 3px; border-radius: 6px; }
.salto { position: fixed; top: -100px; left: 1rem; padding: .5rem 1rem; background: var(--verde); color: var(--verde-tinta); z-index: 99; border-radius: 8px; }
.salto:focus { top: 1rem; }
.envoltorio { width: min(100% - 2rem, var(--ancho)); margin-inline: auto; }

/* =============================================================
   4. Cabecera y pie
   ============================================================= */
.cabecera { border-bottom: 1px solid var(--linea); }
.cabecera .envoltorio { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 52px; }
.marca { display: flex; align-items: center; gap: .5rem; color: var(--tinta); text-decoration: none; font-weight: 600; font-size: .95rem; }
.marca svg { width: 26px; height: 26px; }
.cabecera nav a { color: var(--suave); text-decoration: none; font-size: .9rem; }
.cabecera nav a:hover { color: var(--tinta); }

.pie { border-top: 1px solid var(--linea); margin-top: 4rem; padding: 2rem 0 3rem; color: var(--suave); font-size: .9rem; }
.pie p + p { margin-top: .5rem; }
.pie a { color: var(--suave); }
.pie a:hover { color: var(--tinta); }
.pie .legal { display: flex; flex-wrap: wrap; gap: .4rem 1.2rem; margin-top: 1rem; }
.pie button.enlace { background: none; border: 0; padding: 0; color: var(--suave); text-decoration: underline; font-size: inherit; }

/* =============================================================
   5. Encabezado de la herramienta
   ============================================================= */
.intro { padding: 1.4rem 0 1rem; }
.intro h1 { font-size: clamp(1.9rem, 6vw, 2.8rem); }
.intro p { color: var(--suave); margin-top: .5rem; font-size: 1rem; }

/* =============================================================
   6. La tarjeta de la herramienta
   ============================================================= */
.herramienta {
  background: var(--tarjeta);
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  padding: 1.1rem;
}
.sinjs { color: var(--suave); }
.herramienta[data-lista] .sinjs { display: none; }
.herramienta:not([data-lista]) .controles,
.herramienta:not([data-lista]) .resultado { display: none; }

.fila { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.campo label, .grupo-titulo { display: block; font-size: .85rem; color: var(--suave); margin-bottom: .3rem; font-weight: 600; }
.campo-caja { display: flex; align-items: center; background: var(--campo); border: 1px solid var(--linea); border-radius: 12px; }
.campo-caja:focus-within { border-color: var(--verde); }
.campo input, .campo select {
  width: 100%; min-width: 0; border: 0; background: transparent;
  font-size: 1.5rem; font-weight: 600; padding: .55rem .8rem; outline: none;
  font-variant-numeric: tabular-nums;
}
.campo select { font-size: 1rem; padding: .85rem .8rem; appearance: none; }
.campo .unidad { padding-right: .8rem; color: var(--suave); font-weight: 600; }
.campo input::-webkit-outer-spin-button, .campo input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.campo input[type=number] { -moz-appearance: textfield; }

.opciones { display: flex; flex-wrap: wrap; gap: .8rem 1.2rem; margin-top: .9rem; }
.selector { display: inline-flex; background: var(--campo); border: 1px solid var(--linea); border-radius: 999px; padding: 3px; }
.selector button { border: 0; background: none; padding: .35rem .9rem; border-radius: 999px; font-size: .9rem; font-weight: 600; color: var(--suave); }
.selector button[aria-pressed="true"] { background: var(--verde); color: var(--verde-tinta); }

.resultado { margin-top: 1.1rem; padding-top: 1rem; border-top: 1px solid var(--linea); }
.cifra-titulo { font-size: .85rem; color: var(--suave); font-weight: 600; }
.cifra { font-family: var(--serif); font-size: clamp(2.6rem, 11vw, 3.6rem); line-height: 1.05; color: var(--verde); font-variant-numeric: tabular-nums; }
.cifra small { font-size: .45em; color: var(--suave); font-family: var(--sans); font-weight: 600; margin-left: .2rem; }
.cifra-detalle { color: var(--suave); font-size: .92rem; margin-top: .2rem; }
.aviso { margin-top: .7rem; font-size: .9rem; color: var(--aviso); }
.aviso:empty { display: none; }
.vacio { color: var(--suave); }
.herramienta[data-estado="vacio"] .lleno,
.herramienta[data-estado="lleno"] .vacio { display: none; }

.tabla-wrap { margin-top: 1rem; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: .45rem .3rem; border-bottom: 1px solid var(--linea); }
th { font-size: .8rem; color: var(--suave); font-weight: 600; }
td:first-child { color: var(--suave); }
td.carga { font-weight: 600; }
tr.destacada td { color: var(--verde); }
.acciones { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1rem; }
.boton { display: inline-flex; align-items: center; gap: .4rem; border: 1px solid var(--linea); background: var(--campo); color: var(--tinta); text-decoration: none; padding: .55rem 1rem; border-radius: 999px; font-weight: 600; font-size: .9rem; }
.boton:hover { border-color: var(--verde); }
.boton.principal { background: var(--verde); color: var(--verde-tinta); border-color: var(--verde); }

.privado { color: var(--suave); font-size: .88rem; margin-top: .8rem; }
.app-nota { color: var(--suave); font-size: .88rem; margin-top: .3rem; }
.app-nota a { color: var(--tinta); }

/* =============================================================
   7. Huecos de publicidad (vacíos hasta que se pegue AdSense)
   ============================================================= */
.anuncio {
  margin: 1.6rem 0;
  min-height: 100px;
  border: 1px dashed var(--linea);
  border-radius: 12px;
  display: grid; place-items: center;
  color: #6b6b66; font-size: .75rem; letter-spacing: .08em; text-transform: uppercase;
}
.anuncio.contenido { min-height: 250px; }

/* =============================================================
   8. Contenido (debajo de la herramienta)
   ============================================================= */
.contenido-seo { margin-top: 2.5rem; }
.contenido-seo h2 { font-size: clamp(1.5rem, 4.5vw, 2rem); margin: 2.4rem 0 .8rem; }
.contenido-seo h3 { font-size: 1.2rem; margin: 1.6rem 0 .5rem; }
.contenido-seo p, .contenido-seo li { color: #d9d9d3; }
.contenido-seo p + p { margin-top: .8rem; }
.contenido-seo ul, .contenido-seo ol { padding-left: 1.2rem; margin-top: .6rem; }
.contenido-seo li + li { margin-top: .3rem; }
.formula { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; background: var(--campo); border: 1px solid var(--linea); border-radius: 10px; padding: .6rem .8rem; margin: .6rem 0; font-size: .92rem; overflow-x: auto; }
.pasos { counter-reset: paso; list-style: none; padding: 0 !important; display: grid; gap: .7rem; }
.pasos li { counter-increment: paso; background: var(--tarjeta); border: 1px solid var(--linea); border-radius: 14px; padding: .8rem 1rem .8rem 3rem; position: relative; }
.pasos li::before { content: counter(paso); position: absolute; left: 1rem; top: .75rem; width: 1.4rem; height: 1.4rem; border-radius: 50%; background: var(--verde); color: var(--verde-tinta); font-weight: 600; font-size: .8rem; display: grid; place-items: center; }

details { border-bottom: 1px solid var(--linea); padding: .8rem 0; }
summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--verde); font-size: 1.3rem; line-height: 1; }
details[open] summary::after { content: "–"; }
details p { margin-top: .5rem; }

.tarjetas { display: grid; gap: .8rem; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); margin-top: 1rem; }
.tarjeta { display: block; background: var(--tarjeta); border: 1px solid var(--linea); border-radius: 14px; padding: 1rem; text-decoration: none; color: var(--tinta); }
.tarjeta:hover { border-color: var(--verde); }
.tarjeta strong { display: block; font-family: var(--serif); font-weight: 500; font-size: 1.1rem; }
.tarjeta span { color: var(--suave); font-size: .9rem; }

.cierre { margin-top: 2.5rem; background: var(--tarjeta); border: 1px solid var(--linea); border-radius: var(--radio); padding: 1.3rem; }
.cierre h2 { margin-top: 0 !important; }

/* Páginas legales */
.legal-texto h1 { font-size: 2rem; margin: 2rem 0 1rem; }
.legal-texto h2 { font-size: 1.3rem; margin: 1.8rem 0 .5rem; }
.legal-texto p, .legal-texto li { color: #d9d9d3; }
.legal-texto p + p { margin-top: .7rem; }
.legal-texto ul { padding-left: 1.2rem; }
.pendiente { background: #4a3a00; color: #ffe08a; padding: 0 .3rem; border-radius: 4px; }

/* =============================================================
   9. Pantallas grandes
   ============================================================= */
@media (min-width: 720px) {
  .herramienta { padding: 1.5rem; }
  .intro { padding: 2.2rem 0 1.2rem; }
}