/* ===================================================
   FP Skills · Folla de estilos unificada
   Versión 2.0 · Xuño 2026
   Javier Feijóo López · javierfeijoo.eu
   =================================================== */

/* ===== VARIABLES ===== */
:root{
  --primary:#1e40af;
  --primary-dark:#1e3a8a;
  --primary-light:#eff6ff;
  --success:#059669;
  --success-light:#ecfdf5;
  --warning:#d97706;
  --warning-light:#fffbeb;
  --danger:#dc2626;
  --danger-light:#fef2f2;
  --text-main:#1e293b;
  --text-muted:#64748b;
  --border:#cbd5e1;
  --bg:#ffffff;
  --bg-soft:#f8fafc;
  --bg-page:#f8fafc;
  --radius:10px;
  --content-w:820px;
}

/* ===== RESET / BASE ===== */
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--text-main);
  background:var(--bg);
  line-height:1.7;
}
a{color:var(--primary);}
a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:3px solid var(--primary);outline-offset:2px;
}

/* ===== ACCESIBILIDADE ===== */
.skip-link{
  position:absolute;left:-999px;top:0;
  background:var(--primary);color:#fff;padding:.6rem 1rem;z-index:100;
  text-decoration:none;font-weight:600;border-radius:0 0 6px 0;
}
.skip-link:focus{left:0;}

/* ===== NAVEGACIÓN PRINCIPAL ===== */
.site-nav{
  background:var(--text-main);color:#fff;padding:.7rem 1.25rem;font-size:.88rem;
}
.site-nav-inner{
  max-width:1080px;margin:0 auto;display:flex;align-items:center;
  justify-content:space-between;gap:1rem;flex-wrap:wrap;
}
.site-nav-brand{color:#fff;font-weight:800;text-decoration:none;letter-spacing:.02em;}
.site-nav-brand:hover{opacity:.85;}
.site-nav-links{display:flex;gap:1.2rem;flex-wrap:wrap;margin:0;padding:0;list-style:none;}
.site-nav-links a{color:#cbd5e1;text-decoration:none;font-weight:600;}
.site-nav-links a:hover{color:#fff;}
.site-nav-links a.is-active,
.site-nav-links a[aria-current="page"]{color:#fff;border-bottom:2px solid #fff;padding-bottom:1px;}
.site-nav-lang{display:flex;align-items:center;gap:.35rem;}
.site-nav-lang a{
  color:#cbd5e1;text-decoration:none;font-weight:700;
  padding:.15rem .45rem;border-radius:5px;font-size:.82rem;
}
.site-nav-lang a:hover{color:#fff;}
.site-nav-lang a.is-active,
.site-nav-lang a[aria-current="true"]{background:#fff;color:var(--text-main);}
.site-nav-lang span{color:#64748b;}

/* ===== HERO ===== */
header.hero{
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);
  color:#fff;padding:3.2rem 1.25rem 2.6rem;text-align:center;
}
header.hero .eyebrow{
  text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;opacity:.85;font-weight:600;
}
header.hero h1{margin:.5rem 0 .5rem;font-size:2.1rem;line-height:1.25;}
header.hero p.lead{max-width:640px;margin:0 auto 1.6rem;font-size:1.05rem;opacity:.95;}
.hero-meta{margin-top:1.4rem;font-size:.85rem;opacity:.85;}
.hero-meta a{color:#fff;text-decoration:underline;}

/* ===== BOTÓNS ===== */
.btn{
  display:inline-block;text-decoration:none;font-weight:600;
  padding:.78rem 1.5rem;border-radius:999px;border:2px solid transparent;
  transition:transform .12s ease,box-shadow .12s ease;
}
.btn:hover{transform:translateY(-1px);}

/* Primario: azul (fondo claro) */
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);}

/* Primario en hero: branco sobre fondo escuro */
header.hero .btn-primary{
  background:#fff;color:var(--primary-dark);
  box-shadow:0 4px 14px rgba(0,0,0,.18);
}
header.hero .btn-primary:hover{box-shadow:0 6px 18px rgba(0,0,0,.25);}

/* Contorno (hero) */
.btn-outline{border-color:rgba(255,255,255,.6);color:#fff;}
.btn-outline:hover{background:rgba(255,255,255,.12);}

/* Fantasma (tarxetas índice) */
.btn-ghost{
  background:transparent;color:var(--primary);
  border:2px solid var(--border);
}
.btn-ghost:hover{border-color:var(--primary);}

/* Sobre fondo escuro (índice) */
.btn-on-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn-on-dark:hover{background:rgba(255,255,255,.12);}

/* Descarga */
.btn-download{
  background:var(--primary);color:#fff;padding:.75rem 1.6rem;border-radius:8px;
  font-weight:700;text-decoration:none;display:inline-block;
}
.btn-download:hover{background:var(--primary-dark);}

/* ===== LAYOUT PRINCIPAL ===== */
main{max-width:var(--content-w);margin:0 auto;padding:2.6rem 1.25rem 1rem;}

/* ===== ÍNDICE: h2, selector de skill, helper ===== */
h2{font-size:1.4rem;color:var(--primary-dark);text-align:center;margin:0 0 .4rem;}
p.section-kicker{color:var(--text-muted);text-align:center;font-size:.92rem;margin:0 0 2rem;}

.picker{display:grid;gap:1.4rem;grid-template-columns:repeat(2,1fr);margin-bottom:3rem;}
.skill-card{
  border:1px solid var(--border);border-radius:14px;padding:1.8rem 1.7rem;
  background:var(--bg-soft);display:flex;flex-direction:column;
  transition:box-shadow .15s ease,transform .15s ease;
}
.skill-card:hover{box-shadow:0 10px 28px rgba(30,64,175,.12);transform:translateY(-2px);}
.skill-card .icon{
  width:3rem;height:3rem;border-radius:10px;background:var(--primary-light);
  color:var(--primary);display:flex;align-items:center;justify-content:center;
  font-size:1.4rem;font-weight:800;margin-bottom:1rem;
}
.skill-card h3{margin:0 0 .3rem;font-size:1.25rem;color:var(--text-main);}
.skill-card .slug{
  display:inline-block;font-family:"Courier New",Consolas,monospace;font-size:.8rem;
  color:var(--primary);background:var(--primary-light);border-radius:6px;
  padding:.15rem .5rem;margin-bottom:.8rem;
}
.skill-card p.desc{color:var(--text-muted);margin:0 0 1.1rem;flex:1;}
.skill-card ul{margin:0 0 1.3rem;padding-left:1.2rem;color:var(--text-main);font-size:.93rem;}
.skill-card li{margin:.3rem 0;}
.skill-card .actions{display:flex;gap:.6rem;flex-wrap:wrap;}

.helper{
  border-left:5px solid var(--primary);background:var(--primary-light);
  border-radius:0 var(--radius) var(--radius) 0;padding:1.3rem 1.5rem;margin:0 0 3rem;
}
.helper strong.label{
  color:var(--primary-dark);display:block;font-size:.78rem;text-transform:uppercase;
  letter-spacing:.06em;margin-bottom:.6rem;
}
.helper-row{display:flex;gap:.8rem;align-items:flex-start;margin:.6rem 0;}
.helper-row .q{font-weight:700;min-width:200px;}
.helper-row .a{color:var(--text-main);}
.helper-row .a strong{color:var(--primary-dark);}

/* ===== BLOQUES DE CÓDIGO (pre / code) ===== */
/* El estilo "doc" completo (cabecera de UD, tablas, callouts, diagrama)
   vive solo en assets/templates/plantilla_web.html (única base, CSS+JS
   embebidos); esta hoja no lo duplica. Aquí solo se estiliza pre/code
   porque las propias páginas de la skill (esta guía) muestran código. */
pre{
  background:#0f172a;color:#e2e8f0;padding:1rem 1.2rem;border-radius:8px;
  overflow-x:auto;font-size:.88rem;font-family:Consolas,"Courier New",monospace;
  line-height:1.55;margin:1rem 0;white-space:pre;
}
:not(pre) > code{background:#e2e8f0;color:var(--danger);padding:.1rem .4rem;border-radius:4px;font-size:.9em;}
/* Botón "Copiar" (inyectado por assets/copy-button.js sobre cada <pre>) */
.pre-wrap{position:relative;margin:1rem 0;}
.pre-wrap pre{margin:0;padding-top:2.2rem;}
.copy-btn{
  position:absolute;top:.6rem;right:.6rem;
  background:rgba(255,255,255,.12);color:#e2e8f0;
  border:1px solid rgba(255,255,255,.28);border-radius:6px;
  padding:.25rem .65rem;font-size:.72rem;
  font-family:-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  cursor:pointer;line-height:1.4;
}
.copy-btn:hover{background:rgba(255,255,255,.22);}
.copy-btn.is-copied{background:var(--success);border-color:var(--success);color:#fff;}

/* ===== GUÍAS: seccións, texto ===== */
section{margin-bottom:3.2rem;scroll-margin-top:3.2rem;}
section h2{
  font-size:1.5rem;color:var(--primary-dark);margin:0 0 .3rem;
  border-bottom:3px solid var(--primary-light);padding-bottom:.5rem;text-align:left;
}
section .section-kicker{color:var(--text-muted);font-size:.85rem;margin:0 0 1.1rem;text-align:left;}
h3{font-size:1.1rem;color:var(--text-main);margin:1.6rem 0 .5rem;}
p{margin:.6rem 0;}
ul,ol{padding-left:1.3rem;}
li{margin:.35rem 0;}
code,.code{
  font-family:"Courier New",Consolas,monospace;background:#f1f5f9;
  padding:.15rem .4rem;border-radius:4px;font-size:.92em;
}

/* ===== GUÍAS: TOC de sección (sticky) ===== */
nav.toc{
  position:sticky;top:0;z-index:10;
  background:#fff;border-bottom:1px solid var(--border);
  overflow-x:auto;white-space:nowrap;
}
nav.toc ul{
  list-style:none;display:flex;gap:1.3rem;margin:0;padding:.7rem 1.25rem;
  max-width:1040px;margin-inline:auto;
}
nav.toc a{
  color:var(--text-muted);text-decoration:none;font-size:.88rem;font-weight:600;
  padding:.3rem 0;border-bottom:2px solid transparent;white-space:nowrap;
}
nav.toc a:hover,nav.toc a:focus-visible{color:var(--primary);border-color:var(--primary);}

/* ===== GUÍAS: callouts ===== */
.callout{
  border-left:5px solid var(--primary);background:var(--primary-light);
  border-radius:0 var(--radius) var(--radius) 0;padding:.9rem 1.1rem;margin:1.1rem 0;
}
.callout strong.label{
  color:var(--primary-dark);display:block;font-size:.78rem;
  text-transform:uppercase;letter-spacing:.06em;margin-bottom:.25rem;
}
.callout--aviso{border-color:var(--warning);background:var(--warning-light);}
.callout--aviso strong.label{color:var(--warning);}
.callout--importante{border-color:var(--danger);background:var(--danger-light);}
.callout--importante strong.label{color:var(--danger);}
.callout--tip{border-color:var(--success);background:var(--success-light);}
.callout--tip strong.label{color:var(--success);}

/* ===== GUÍAS: grid de tarxetas ===== */
.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin:1.2rem 0;}
.card{border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.1rem;background:var(--bg-soft);}
.card h4{margin:0 0 .35rem;color:var(--primary-dark);font-size:1rem;}
.card p{margin:0;font-size:.92rem;color:var(--text-muted);}
.card .tag{
  display:inline-block;font-size:.72rem;font-weight:700;color:var(--primary);
  background:var(--primary-light);border-radius:6px;padding:.1rem .5rem;margin-bottom:.4rem;
}

/* ===== GUÍAS: apartados PROENS ===== */
.apartados{list-style:none;padding:0;margin:1.2rem 0;}
.apartados li{
  display:flex;gap:.9rem;align-items:flex-start;
  border-bottom:1px solid var(--border);padding:.7rem 0;
}
.apartados .num{
  flex:0 0 auto;min-width:3rem;text-align:center;
  background:var(--primary);color:#fff;font-weight:700;font-size:.82rem;
  border-radius:6px;padding:.25rem .3rem;
}
.apartados .txt strong{display:block;color:var(--text-main);}
.apartados .txt span{color:var(--text-muted);font-size:.92rem;}

/* ===== GUÍAS: pasos numerados ===== */
.steps{list-style:none;padding:0;margin:1.2rem 0;counter-reset:step;}
.steps li{counter-increment:step;position:relative;padding-left:3rem;margin-bottom:1.3rem;}
.steps li::before{
  content:counter(step);position:absolute;left:0;top:0;
  width:2.1rem;height:2.1rem;border-radius:50%;
  background:var(--primary);color:#fff;font-weight:700;
  display:flex;align-items:center;justify-content:center;font-size:.95rem;
}
.steps li:not(:last-child)::after{
  content:"";position:absolute;left:1.05rem;top:2.1rem;bottom:-1.3rem;
  width:2px;background:var(--border);
}
.steps li strong{display:block;color:var(--primary-dark);}

/* ===== GUÍAS: fórmula ===== */
.formula{
  text-align:center;font-size:1.35rem;font-weight:700;color:var(--primary-dark);
  background:var(--primary-light);border-radius:var(--radius);padding:1rem;margin:1.1rem 0;
}

/* ===== GUÍAS: FAQ accordion (HTML5 puro) ===== */
details.faq{border:1px solid var(--border);border-radius:var(--radius);margin:.6rem 0;overflow:hidden;}
details.faq summary{
  cursor:pointer;list-style:none;padding:.85rem 1.1rem;font-weight:600;
  background:var(--bg-soft);display:flex;justify-content:space-between;align-items:center;
}
details.faq summary::-webkit-details-marker{display:none;}
details.faq summary::after{content:"+";font-size:1.2rem;color:var(--primary);margin-left:1rem;}
details.faq[open] summary::after{content:"–";}
details.faq[open] summary{background:var(--primary-light);}
details.faq .faq-body{padding:.85rem 1.1rem;}

/* ===== GUÍAS: caixa de descarga ===== */
.download-box{
  border:2px dashed var(--primary);border-radius:var(--radius);
  background:var(--primary-light);padding:1.2rem 1.3rem;text-align:center;margin:1.3rem 0;
}
.download-box p{margin:.2rem 0 1rem;color:var(--text-muted);font-size:.92rem;}

/* ===== RODAPÉ ===== */
footer{
  background:var(--text-main);color:#cbd5e1;text-align:center;
  padding:2.4rem 1.25rem;margin-top:2rem;font-size:.88rem;
}
footer a{color:#fff;}
footer .license{margin-top:.5rem;opacity:.8;}
footer .site-footer-links{margin-top:1.1rem;opacity:.9;}
footer .site-footer-links a{color:#cbd5e1;text-decoration:underline;}
footer .site-footer-links a.is-active,
footer .site-footer-links a[aria-current="page"]{color:#fff;text-decoration:none;font-weight:700;}
footer .ai-notice{margin-top:.9rem;opacity:.75;font-size:.82rem;max-width:42rem;margin-left:auto;margin-right:auto;}

/* ===== RESPONSIVO ===== */
@media(max-width:720px){
  .picker{grid-template-columns:1fr;}
  header.hero h1{font-size:1.7rem;}
  .helper-row{flex-direction:column;}
  .helper-row .q{min-width:0;}
}
@media(max-width:600px){
  header.hero h1{font-size:1.6rem;}
  .btn-outline{display:block;margin:.6rem auto 0;}
  .site-nav-inner{gap:.6rem;}
}

/* ===== IMPRESIÓN ===== */
@media print{
  nav.toc,.btn,.btn-download,.download-box,.site-nav-lang,.copy-btn{display:none;}
  header.hero{background:none;color:var(--text-main);padding:0 0 1rem;}
  .callout{background:none;border-left:3px solid #000;}
  body{color:#000;}
}