/*
  Chataliza — hoja de estilos común a todas las páginas.
  Sin dependencias externas, sin fuentes remotas: solo la tipografía del sistema.
  Paleta de marca definida en PROYECTO.md (índigo/cian, nunca el verde de WhatsApp).
*/

/* ============ 1. Tokens de marca ============ */
:root{
  --brand:#4F46E5;       /* índigo */
  --brand-dark:#4338CA;
  --accent:#06B6D4;      /* cian */
  --ink:#0F172A;
  --ink-soft:#475569;
  --ink-mute:#64748B;
  --bg:#FFFFFF;
  --soft:#F8FAFC;
  --line:#E2E8F0;
  --ok:#16A34A;
  --warn:#D97706;
  --danger:#DC2626;

  --radius-sm:8px;
  --radius:14px;
  --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06);
  --shadow:0 10px 30px -12px rgba(15,23,42,.18);
  --wrap:1120px;
  --wrap-narrow:760px;

  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}

@media (prefers-color-scheme: dark){
  :root{
    --bg:#0B1020;
    --soft:#111827;
    --ink:#E5E7EB;
    --ink-soft:#C4CBD8;
    --ink-mute:#8B94A7;
    --line:#233044;
    --shadow-sm:0 1px 2px rgba(0,0,0,.4);
    --shadow:0 10px 30px -12px rgba(0,0,0,.6);
  }
}

/* ============ 2. Reset ligero ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:var(--brand)}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.wrap--narrow{max-width:var(--wrap-narrow)}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:100;
  background:var(--brand);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;
  font-weight:600;text-decoration:none;
}
.skip-link:focus{left:0}

/* ============ 3. Cabecera ============ */
.site-header{
  position:sticky;top:0;z-index:20;
  background:color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header__inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:14px 20px;
}
.logo{
  display:inline-flex;align-items:center;gap:9px;
  text-decoration:none;color:var(--ink);font-weight:800;font-size:19px;letter-spacing:-.01em;
}
.logo:hover{color:var(--ink)}
.logo__icon{flex:none}
.site-nav{display:flex;gap:4px;flex-wrap:wrap}
.site-nav a{
  color:var(--ink-soft);text-decoration:none;font-size:14.5px;font-weight:600;
  padding:8px 12px;border-radius:8px;
}
.site-nav a:hover{background:var(--soft);color:var(--brand)}
.site-nav a[aria-current="page"]{color:var(--brand);background:var(--soft)}

@media (max-width:600px){
  .site-header__inner{gap:10px}
  .site-nav{
    gap:2px;flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;
    scrollbar-width:none;flex:1;min-width:0;
  }
  .site-nav::-webkit-scrollbar{display:none}
  .site-nav a{padding:7px 9px;font-size:13.5px;white-space:nowrap}
  .logo__text{display:inline}
}

/* ============ 4. Migas de pan ============ */
.breadcrumbs{padding:14px 0 0}
.breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;font-size:13.5px;color:var(--ink-mute)}
.breadcrumbs li{display:flex;align-items:center;gap:6px}
.breadcrumbs li:not(:first-child)::before{content:"›";color:var(--ink-mute)}
.breadcrumbs a{color:var(--ink-mute);text-decoration:none}
.breadcrumbs a:hover{color:var(--brand);text-decoration:underline}
.breadcrumbs li[aria-current="page"]{color:var(--ink-soft);font-weight:600}

/* ============ 5. Botones ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:14px 26px;font-size:16px;font-weight:700;
  border:2px solid transparent;cursor:pointer;text-decoration:none;
  transition:transform .12s ease, box-shadow .12s ease, background .12s ease;
  line-height:1.2;
}
.btn:active{transform:translateY(1px)}
.btn--primary{
  background:linear-gradient(135deg,var(--brand),var(--accent));
  color:#fff;box-shadow:0 10px 24px -8px rgba(79,70,229,.55);
}
.btn--primary:hover{box-shadow:0 14px 30px -8px rgba(79,70,229,.65);color:#fff}
.btn--lg{padding:18px 34px;font-size:18px}
.btn--outline{background:transparent;border-color:var(--line);color:var(--ink)}
.btn--outline:hover{border-color:var(--brand);color:var(--brand)}
.btn--sm{padding:9px 16px;font-size:14px}
.btn[disabled]{opacity:.55;cursor:not-allowed;box-shadow:none}

/* ============ 6. Héroe ============ */
.hero{padding:44px 0 40px;text-align:center}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--soft);border:1px solid var(--line);color:var(--brand-dark);
  font-size:13px;font-weight:700;padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
@media (prefers-color-scheme: dark){ .hero__eyebrow{ color:#A5B4FC } }
.hero h1{
  font-size:clamp(28px,5.4vw,44px);max-width:820px;margin:0 auto 14px;letter-spacing:-.02em;
}
.hero__sub{
  max-width:600px;margin:0 auto 26px;color:var(--ink-soft);font-size:clamp(15.5px,2.4vw,18px);
}
.hero__cta{display:flex;flex-direction:column;align-items:center;gap:10px}
.hero__hint{font-size:13.5px;color:var(--ink-mute)}
.hero__privacy{
  margin:26px auto 0;max-width:560px;display:flex;align-items:center;justify-content:center;
  gap:8px;font-size:13.5px;color:var(--ink-mute);
}

/* ============ 7. Zona de la app (subida de fichero) ============ */
.app-zone{padding:8px 0 56px}
.dropzone{
  border:2px dashed var(--line);border-radius:var(--radius-lg);
  background:var(--soft);padding:38px 20px;text-align:center;cursor:pointer;
  transition:border-color .15s ease, background .15s ease;
}
.dropzone:hover,.dropzone:focus-visible{border-color:var(--brand)}
.dropzone.is-dragover{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 10%, var(--soft))}
.dropzone__icon{margin:0 auto 12px}
.dropzone h2{font-size:18px;margin-bottom:6px}
.dropzone p{color:var(--ink-mute);font-size:14px;margin-bottom:16px}
.dropzone input[type=file]{display:none}
.dropzone__formats{font-size:12.5px;color:var(--ink-mute);margin-top:14px}

.status-box{
  margin-top:18px;border-radius:var(--radius);padding:16px 18px;font-size:14.5px;
  display:none;gap:10px;align-items:flex-start;
}
.status-box.is-visible{display:flex}
.status-box--progress{background:var(--soft);border:1px solid var(--line);color:var(--ink-soft)}
.status-box--error{background:#FEF2F2;border:1px solid #FECACA;color:#991B1B}
@media (prefers-color-scheme: dark){
  .status-box--error{background:#2A1013;border-color:#5B1E24;color:#FCA5A5}
}
.progress-track{height:8px;border-radius:999px;background:var(--line);overflow:hidden;margin-top:8px}
.progress-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--brand),var(--accent));transition:width .2s ease}

/* ============ 8. Secciones generales ============ */
section{padding:56px 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 34px}
.section-head h2{font-size:clamp(22px,3.6vw,30px)}
.section-head p{color:var(--ink-soft)}
.section--alt{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* pasos "cómo funciona" */
.steps{display:grid;gap:22px;grid-template-columns:repeat(3,1fr);max-width:var(--wrap);margin:0 auto}
.step{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;box-shadow:var(--shadow-sm)}
.step__num{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  border-radius:999px;background:linear-gradient(135deg,var(--brand),var(--accent));
  color:#fff;font-weight:800;font-size:15px;margin-bottom:14px;
}
.step h3{font-size:16.5px;margin-bottom:8px}
.step p{color:var(--ink-soft);font-size:14.5px;margin-bottom:0}
@media (max-width:820px){.steps{grid-template-columns:1fr}}

/* privacidad */
.privacy-grid{display:grid;gap:18px;grid-template-columns:repeat(2,1fr);max-width:900px;margin:0 auto}
.privacy-item{display:flex;gap:14px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.privacy-item__icon{
  flex:none;width:38px;height:38px;border-radius:10px;background:var(--soft);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
}
.privacy-item h3{font-size:15.5px;margin-bottom:4px}
.privacy-item p{font-size:14px;color:var(--ink-soft);margin-bottom:0}
@media (max-width:700px){.privacy-grid{grid-template-columns:1fr}}

/* FAQ resumida (index) y completa (faq.html) */
.faq-list{max-width:760px;margin:0 auto;display:grid;gap:10px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius);background:var(--bg);
  overflow:hidden;
}
.faq-item summary{
  cursor:pointer;list-style:none;padding:16px 20px;font-weight:700;font-size:15.5px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:400;color:var(--ink-mute);flex:none;
  transition:transform .15s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-answer{padding:0 20px 18px;color:var(--ink-soft);font-size:14.5px}
.faq-item .faq-answer p:last-child{margin-bottom:0}
.faq-more{text-align:center;margin-top:24px}

/* ============ 9. Resultados del análisis ============ */
#resultados{display:none;padding:8px 0 64px}
#resultados.is-visible{display:block}

.result-toolbar{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-bottom:28px;
}
.result-toolbar h2{margin:0}
.result-toolbar .actions{display:flex;gap:10px;flex-wrap:wrap}

.stat-grid{
  display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  margin-bottom:34px;
}
.stat-card{
  background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 18px 16px;
}
.stat-card b{display:block;font-size:26px;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat-card span{display:block;margin-top:4px;font-size:13px;color:var(--ink-mute);line-height:1.4}

.panel{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px 22px;margin-bottom:22px;
}
.panel h3{font-size:16.5px;margin-bottom:4px}
.panel .panel-note{font-size:13px;color:var(--ink-mute);margin-bottom:18px}
.panel-grid{display:grid;gap:22px;grid-template-columns:1fr 1fr}
@media (max-width:820px){.panel-grid{grid-template-columns:1fr}}

/* barras horizontales (personas, emojis, palabras) */
.bar-list{display:grid;gap:10px}
.bar-row{display:grid;grid-template-columns:minmax(90px,140px) 1fr auto;align-items:center;gap:10px}
.bar-row__label{font-size:13.5px;color:var(--ink-soft);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar-row__track{height:12px;border-radius:999px;background:var(--soft);border:1px solid var(--line);overflow:hidden}
.bar-row__fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--accent))}
.bar-row__value{font-size:13px;color:var(--ink-mute);font-variant-numeric:tabular-nums;min-width:34px;text-align:right}
.bar-row--emoji .bar-row__label{font-size:20px;text-align:center}

/* gráfico de horas (barras verticales) */
.chart-hours{display:flex;align-items:flex-end;gap:3px;height:150px;padding-top:10px}
.chart-hours__bar{
  flex:1;min-width:6px;background:linear-gradient(180deg,var(--accent),var(--brand));
  border-radius:4px 4px 0 0;position:relative;min-height:2px;
}
.chart-hours__labels{display:flex;gap:3px;margin-top:6px}
.chart-hours__labels span{flex:1;text-align:center;font-size:9.5px;color:var(--ink-mute)}

/* gráfico de días de la semana */
.chart-week{display:flex;align-items:flex-end;gap:10px;height:150px;padding-top:10px}
.chart-week__col{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%}
.chart-week__bar{width:100%;max-width:44px;border-radius:6px 6px 0 0;background:linear-gradient(180deg,var(--accent),var(--brand));min-height:2px}
.chart-week__label{font-size:11.5px;color:var(--ink-mute);margin-top:8px}
.chart-week__value{font-size:11.5px;color:var(--ink-soft);font-weight:700;margin-bottom:4px}

/* tabla de personas */
.people-table{width:100%;border-collapse:collapse;font-size:14px}
.people-table th,.people-table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
.people-table th{color:var(--ink-mute);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.04em}
.people-table td.num{font-variant-numeric:tabular-nums;text-align:right}
.people-table th.num{text-align:right}
@media (max-width:600px){
  .people-table{font-size:13px}
  .people-table th,.people-table td{padding:8px 6px}
}

.callout{
  background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;font-size:14px;color:var(--ink-soft);margin-bottom:22px;
}
.callout b{color:var(--ink)}

/* tarjeta compartible */
.share-card-preview{
  display:flex;justify-content:center;margin-bottom:18px;
}
.share-card-preview canvas{
  width:100%;max-width:340px;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line);
}

/* ============ 10. Página FAQ / genéricas ============ */
.page-header{padding:36px 0 8px;text-align:center}
.page-header h1{font-size:clamp(26px,4.6vw,36px)}
.page-header p{color:var(--ink-soft);max-width:600px;margin:0 auto}
.faq-groups{max-width:760px;margin:0 auto;display:grid;gap:10px;padding-top:8px}

/* ============ 11. 404 y gracias ============ */
.center-page{
  min-height:52vh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:60px 20px;gap:14px;
}
.center-page__code{
  font-size:clamp(48px,10vw,84px);font-weight:800;letter-spacing:-.03em;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.thanks-list{max-width:700px;margin:0 auto;display:grid;gap:14px;padding:0 0 20px}
.thanks-item{border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;background:var(--soft)}
.thanks-item h3{font-size:15.5px;margin-bottom:4px}
.thanks-item p{font-size:14px;color:var(--ink-soft);margin-bottom:0}

/* ============ 12. Pie ============ */
.site-footer{border-top:1px solid var(--line);background:var(--soft);padding:44px 0 28px;margin-top:20px}
.site-footer__grid{display:grid;gap:28px;grid-template-columns:1.4fr 1fr 1fr;margin-bottom:26px}
.site-footer__grid h2{font-size:12.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-mute);margin-bottom:12px}
.site-footer__grid ul{list-style:none;display:grid;gap:8px}
.site-footer__grid a{color:var(--ink-soft);text-decoration:none;font-size:14px}
.site-footer__grid a:hover{color:var(--brand)}
.site-footer .logo{margin-bottom:8px}
.site-footer p.tagline{color:var(--ink-mute);font-size:13.5px;margin-bottom:0}
.disclaimer{font-size:12.5px;color:var(--ink-mute);border-top:1px solid var(--line);padding-top:18px;margin-bottom:8px}
.copyright{font-size:12.5px;color:var(--ink-mute);margin-bottom:0}
@media (max-width:700px){.site-footer__grid{grid-template-columns:1fr 1fr}}
@media (max-width:460px){.site-footer__grid{grid-template-columns:1fr}}

/* ============ 13. Páginas legales (privacidad, términos, aviso legal) ============ */
/* Reutilizan .page-header para el título y la fecha de actualización, y .wrap--narrow
   para el ancho de lectura; estas reglas solo cubren la tipografía y los widgets propios
   del contenido legal (callouts, tabla de tratamientos, ficha de identidad, tag [CONFIRMAR]). */
.legal h2{font-size:20px;margin:1.8em 0 .5em;padding-top:.3em;letter-spacing:-.01em}
.legal h3{font-size:16.5px;margin:1.3em 0 .4em}
.legal p,.legal li{color:var(--ink-soft)}
.legal strong{color:var(--ink)}
.legal ul{padding-left:1.25em;margin:0 0 1em}
.legal li{margin:.35em 0}
.legal > p:first-child{margin-top:0}

.callout{
  background:var(--soft);border:1px solid var(--line);border-left:4px solid var(--brand);
  border-radius:var(--radius-sm);padding:14px 16px;margin:1.2em 0;
}
.callout p{margin:0;color:var(--ink-soft)}
.callout h3{margin-top:0}
.callout.accent{border-left-color:var(--accent)}

.tag-confirm{
  display:inline-block;background:#FEF3C7;color:#92400E;border:1px solid #FCD34D;
  border-radius:6px;padding:0 6px;font-size:.82em;font-weight:600;
}
@media (prefers-color-scheme: dark){
  .tag-confirm{background:#3B2F0B;color:#FDE68A;border-color:#7C5E10}
}

.legal-table{width:100%;border-collapse:collapse;margin:1em 0;font-size:14px}
.legal-table th,.legal-table td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top;color:var(--ink-soft)}
.legal-table th{background:var(--soft);color:var(--ink);font-weight:600}

dl.identidad{margin:1em 0;padding:0}
dl.identidad div{display:flex;gap:10px;flex-wrap:wrap;padding:8px 0;border-bottom:1px solid var(--line)}
dl.identidad dt{font-weight:600;min-width:160px;color:var(--ink-mute)}
dl.identidad dd{margin:0;color:var(--ink-soft)}

/* ============ 14. Utilidades ============ */
.text-center{text-align:center}
.mt-0{margin-top:0}
.visually-hidden-when-empty:empty{display:none}
noscript.noscript-banner{
  display:block;background:#FEF3C7;color:#92400E;text-align:center;font-size:14px;
  padding:12px 16px;border-bottom:1px solid #FDE68A;
}
@media (prefers-color-scheme: dark){
  noscript.noscript-banner{background:#3A2E10;color:#FCD34D;border-color:#5C4A16}
}