:root{
  --bg:#f7f8f6;--surface:#ffffff;--surface-2:#f0f3ef;--line:#e1e6df;--fg:#16201a;--muted:#5b675f;
  --brand:#0f7a55;--brand-strong:#0a5c40;--brand-soft:#e3f3ec;--accent:#f2a33a;--danger:#c2413b;--warn-soft:#fff4e2;
  --radius:14px;--shadow:0 1px 2px rgba(16,32,24,.06),0 6px 24px rgba(16,32,24,.06);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0e1311;--surface:#151c18;--surface-2:#1b241f;--line:#26322b;--fg:#e8efe9;--muted:#9aa89f;
  --brand:#3ccf95;--brand-strong:#6be0b0;--brand-soft:#173327;--accent:#f2b45a;--danger:#ef6b64;--warn-soft:#3a2d16;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 24px rgba(0,0,0,.25);}}
:root[data-theme="dark"]{
  --bg:#0e1311;--surface:#151c18;--surface-2:#1b241f;--line:#26322b;--fg:#e8efe9;--muted:#9aa89f;
  --brand:#3ccf95;--brand-strong:#6be0b0;--brand-soft:#173327;--accent:#f2b45a;--danger:#ef6b64;--warn-soft:#3a2d16;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 24px rgba(0,0,0,.25);}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 var(--font)}
img,svg{max-width:100%}
a{color:var(--brand)}a:hover{color:var(--brand-strong)}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
.narrow{max-width:760px}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:8px;background:var(--surface);padding:8px 12px;z-index:10}

/* cabecera */
.site-header{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:60px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--fg);text-decoration:none}
.logo svg{width:30px;height:30px}
.nav{display:flex;gap:4px;align-items:center}
.nav a{color:var(--fg);text-decoration:none;padding:8px 12px;border-radius:10px;font-weight:500;font-size:15px}
.nav a:hover,.nav a[aria-current="page"]{background:var(--surface-2)}
.nav .btn{margin-left:6px}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:6px 10px;color:var(--fg);font:inherit}
@media (max-width:760px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;top:60px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--surface);border-bottom:1px solid var(--line);padding:8px 16px 16px}
  .nav.open{display:flex}.nav .btn{margin:6px 0 0}
}

/* botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--brand);color:#fff !important;border:0;border-radius:12px;padding:12px 20px;font:600 16px var(--font);text-decoration:none;cursor:pointer}
:root[data-theme="dark"] .btn:not(.ghost):not(.danger):not(.light){color:#06130d !important}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn:not(.ghost):not(.danger):not(.light){color:#06130d !important}}
.btn:hover{background:var(--brand-strong)}
.btn.ghost{background:transparent;color:var(--brand) !important;border:1.5px solid var(--brand)}
.btn.ghost:hover{background:var(--brand-soft)}
.btn.small{padding:8px 14px;font-size:14px;border-radius:10px}
.btn.danger{background:transparent;color:var(--danger) !important;border:1.5px solid var(--danger)}

/* hero */
.hero{padding:64px 0 40px}
.hero h1{font-size:clamp(32px,6vw,52px);line-height:1.1;margin:0 0 16px;letter-spacing:-.02em}
.hero p.lead{font-size:clamp(17px,2.4vw,20px);color:var(--muted);max-width:640px;margin:0 0 28px}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap}
.badge{display:inline-block;background:var(--brand-soft);color:var(--brand-strong);font-weight:600;font-size:13px;padding:4px 10px;border-radius:99px;margin-bottom:16px}

/* secciones */
section.block{padding:36px 0}
h2{font-size:clamp(24px,3.5vw,32px);line-height:1.2;margin:0 0 12px;letter-spacing:-.01em}
h3{font-size:19px;margin:0 0 8px}
.muted{color:var(--muted)}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.card .num{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--brand-soft);color:var(--brand-strong);font-weight:700;margin-bottom:10px}
.notice{background:var(--warn-soft);border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);border-radius:12px;padding:14px 16px;font-size:15px}
.notice.info{background:var(--brand-soft);border-color:color-mix(in srgb,var(--brand) 35%,transparent)}

/* artículos */
article.prose{padding:32px 0 48px}
.prose h1{font-size:clamp(28px,5vw,40px);line-height:1.15;margin:0 0 12px}
.prose h2{margin-top:36px}.prose h3{margin-top:24px}
.prose p,.prose li{font-size:17px}
.prose table{width:100%;border-collapse:collapse;margin:16px 0;font-size:15px}
.prose th,.prose td{border-bottom:1px solid var(--line);padding:8px;text-align:left;vertical-align:top}
.toc{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 20px}
dl.glosario dt{font-weight:700;margin-top:18px;font-size:17px}
dl.glosario dd{margin:4px 0 0;color:var(--fg)}

/* ===== blog: portada de artículo ===== */
.read-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:20;pointer-events:none}
.read-progress span{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--accent));transform:scaleX(0);transform-origin:0 50%}
.post-hero{background:linear-gradient(180deg,var(--brand-soft),var(--bg));border-bottom:1px solid var(--line);padding:28px 0 36px}
.post-hero-grid{display:grid;gap:28px;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);align-items:center}
@media (max-width:860px){.post-hero-grid{grid-template-columns:1fr}}
.post-hero h1{font-size:clamp(30px,4.6vw,46px);line-height:1.12;letter-spacing:-.02em;margin:8px 0 14px}
.post-hero .lead{font-size:clamp(17px,2vw,19px);color:var(--muted);margin:0 0 18px}
.post-cover{margin:0;border-radius:20px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);background:var(--surface)}
.post-cover img{display:block;width:100%;height:auto}
.crumbs{display:flex;flex-wrap:wrap;gap:6px;font-size:13px;color:var(--muted);margin-bottom:10px}
.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--brand)}
.byline{display:flex;gap:12px;align-items:center;font-size:14px;color:var(--muted)}
.byline strong{color:var(--fg)}
.avatar{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--brand);color:#fff;font-weight:700;font-size:15px;flex:none}
.avatar.lg{width:58px;height:58px;font-size:19px}

/* ===== blog: cuerpo ===== */
.post-layout{display:grid;gap:48px;grid-template-columns:260px minmax(0,720px);justify-content:center;padding-top:8px}
@media (max-width:1000px){.post-layout{grid-template-columns:minmax(0,720px)}.post-aside{display:none}}
.post-aside{position:sticky;top:84px;align-self:start;padding-top:32px;max-height:calc(100vh - 100px);overflow:auto}
.toc-side{font-size:14px}.toc-side strong{display:block;margin-bottom:8px;font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.toc-side ol{list-style:none;padding:0;margin:0;border-left:2px solid var(--line)}
.toc-side a{display:block;padding:6px 0 6px 14px;margin-left:-2px;border-left:2px solid transparent;color:var(--muted);text-decoration:none;line-height:1.35}
.toc-side a:hover{color:var(--fg)}.toc-side a.active{color:var(--brand);border-left-color:var(--brand);font-weight:600}
.aside-cta{margin-top:24px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px;font-size:14px}
.aside-cta p{margin:6px 0 12px;color:var(--muted)}
.post-body{padding-top:32px}
.post-body h2{font-size:clamp(24px,3vw,30px);margin-top:48px;scroll-margin-top:80px}
.post-body h3{font-size:20px;margin-top:30px;scroll-margin-top:80px}
.post-body p,.post-body li{font-size:18px;line-height:1.75}
.post-body li{margin:6px 0}
.post-body strong{color:var(--fg)}
.key-points{background:var(--surface);border:1px solid var(--line);border-left:5px solid var(--brand);border-radius:14px;padding:18px 22px;margin:0 0 28px;box-shadow:var(--shadow)}
.key-points>strong{font-size:15px;text-transform:uppercase;letter-spacing:.05em;color:var(--brand-strong)}
.key-points ul{margin:10px 0 0;padding-left:20px}.key-points li{font-size:16.5px;margin:6px 0}
.post-body figure{margin:28px 0;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:14px;box-shadow:var(--shadow)}
.post-body figure img{display:block;width:100%;height:auto;border-radius:10px}
.post-body figcaption{font-size:14px;color:var(--muted);margin-top:10px;text-align:center}
.callout{display:grid;grid-template-columns:36px 1fr;gap:12px;border-radius:14px;padding:16px 18px;margin:24px 0;border:1px solid}
.callout::before{font-size:22px;line-height:1.2}
.callout p{margin:0;font-size:16.5px !important}.callout p+p{margin-top:8px}
.callout.tip{background:var(--brand-soft);border-color:color-mix(in srgb,var(--brand) 30%,transparent)}.callout.tip::before{content:"💡"}
.callout.ojo{background:var(--warn-soft);border-color:color-mix(in srgb,var(--accent) 50%,transparent)}.callout.ojo::before{content:"⚠️"}
.callout.dato{background:var(--surface-2);border-color:var(--line)}.callout.dato::before{content:"📊"}
.post-body table{width:100%;border-collapse:separate;border-spacing:0;margin:22px 0;font-size:15.5px;border:1px solid var(--line);border-radius:12px;overflow:hidden;display:block;overflow-x:auto}
.post-body thead th{background:var(--surface-2);font-weight:700}
.post-body th,.post-body td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.post-body tbody tr:last-child td{border-bottom:0}
.post-body td.n,.post-body th.n{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.steps-list{counter-reset:p;list-style:none;padding:0 !important}
.steps-list>li{position:relative;padding:4px 0 4px 52px;margin:16px 0 !important}
.steps-list>li::before{counter-increment:p;content:counter(p);position:absolute;left:0;top:4px;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:var(--brand);color:#fff;font-weight:700;font-size:16px}
.formula{font-family:ui-monospace,Consolas,monospace;background:var(--surface-2);border-radius:10px;padding:14px 16px;font-size:17px;text-align:center;margin:18px 0}
.faq details{border:1px solid var(--line);border-radius:12px;background:var(--surface);margin:10px 0;padding:0 18px}
.faq summary{cursor:pointer;font-weight:600;font-size:17px;padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;line-height:1;color:var(--brand)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:0 0 16px;font-size:16.5px !important}
.author-box{display:flex;gap:16px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;margin:40px 0 20px}
.author-box p{margin:6px 0 0;font-size:15.5px !important;color:var(--muted)}
.small-notice{font-size:14px !important}

/* ===== tarjetas del blog ===== */
.post-grid{display:grid;gap:22px;grid-template-columns:repeat(auto-fill,minmax(290px,1fr))}
.post-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;text-decoration:none;color:var(--fg);box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease}
.post-card:hover{transform:translateY(-3px);box-shadow:0 2px 4px rgba(16,32,24,.06),0 14px 34px rgba(16,32,24,.12);color:var(--fg)}
.post-card img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--brand-soft)}
.post-card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:6px;flex:1}
.post-card h2,.post-card h3{font-size:19px;line-height:1.3;margin:0}
.post-card p{margin:0;color:var(--muted);font-size:15px;flex:1}
.post-card .cat{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--brand)}
.post-card .meta{font-size:13px;color:var(--muted)}
.related{background:var(--surface-2);margin-top:40px;padding:48px 0}
.cta-band{background:linear-gradient(120deg,#0a5c40,#0f7a55 55%,#14946a);color:#fff;padding:44px 0}
.cta-band .wrap{display:flex;gap:24px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.cta-band h2{color:#fff;margin:0 0 6px}.cta-band p{margin:0;opacity:.9;font-size:17px}
.btn.light{background:#fff;color:#0a5c40 !important}.btn.light:hover{background:#eafff5}
:root[data-theme="dark"] .btn.light{color:#0a5c40 !important}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn.light{color:#0a5c40 !important}}

/* ===== portada ===== */
.home-hero{padding:48px 0 32px;background:radial-gradient(1200px 500px at 85% -10%,var(--brand-soft),transparent 60%)}
.home-hero-grid{display:grid;gap:32px;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);align-items:center}
@media (max-width:860px){.home-hero-grid{grid-template-columns:1fr}}
.home-hero h1{font-size:clamp(36px,6vw,60px);line-height:1.05;letter-spacing:-.03em;margin:0 0 18px}
.home-hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--brand),#14946a);-webkit-background-clip:text;background-clip:text;color:transparent}
.home-hero .lead{font-size:clamp(17px,2.2vw,20px);color:var(--muted);margin:0 0 26px;max-width:560px}
.home-hero img{width:100%;height:auto;display:block}
.trust{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px;font-size:14px;color:var(--muted)}
.trust span::before{content:"✓ ";color:var(--brand);font-weight:700}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.section-head p{margin:4px 0 0;color:var(--muted)}
.feature{display:flex;gap:14px;align-items:flex-start}
.feature .ico{flex:none;width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:var(--brand-soft);font-size:22px}
.feature h3{margin:2px 0 4px}.feature p{margin:0;color:var(--muted);font-size:15.5px}
.blog-hero{padding:40px 0 24px}
.blog-hero h1{font-size:clamp(32px,5vw,48px);margin:8px 0 10px;letter-spacing:-.02em}

/* herramienta */
.tool{display:grid;gap:20px;grid-template-columns:minmax(0,380px) minmax(0,1fr);align-items:start;padding:24px 0 48px}
@media (max-width:900px){.tool{grid-template-columns:1fr}}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.panel h2{font-size:20px}
.field{margin:0 0 14px}
.field label{display:block;font-weight:600;font-size:15px;margin-bottom:4px}
.field .help{font-size:13px;color:var(--muted);margin-top:4px}
.field input,.field select{width:100%;padding:11px 12px;border:1.5px solid var(--line);border-radius:10px;background:var(--bg);color:var(--fg);font:16px var(--font)}
.field input:focus,.field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.euro{position:relative}.euro input{padding-right:34px}.euro::after{content:"€";position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--muted)}
fieldset{border:0;padding:0;margin:0 0 14px}legend{font-weight:600;font-size:15px;margin-bottom:6px}
.choice{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border:1.5px solid var(--line);border-radius:10px;margin-bottom:6px;cursor:pointer;font-size:15px}
.choice:has(input:checked){border-color:var(--brand);background:var(--brand-soft)}
.choice input{margin-top:4px;accent-color:var(--brand)}
.kpis{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));margin-bottom:16px}
.kpi{background:var(--surface-2);border-radius:12px;padding:14px}
.kpi .v{font-size:22px;font-weight:700;font-variant-numeric:tabular-nums}.kpi .l{font-size:13px;color:var(--muted)}
.steps{list-style:none;padding:0;margin:0;counter-reset:s}
.steps li{position:relative;padding:14px 14px 14px 54px;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:var(--surface)}
.steps li::before{counter-increment:s;content:counter(s);position:absolute;left:14px;top:14px;width:28px;height:28px;border-radius:8px;display:grid;place-items:center;font-weight:700;background:var(--brand-soft);color:var(--brand-strong)}
.steps li.done{opacity:.75}.steps li.done::before{content:"✓"}
.steps li.stop{border-color:color-mix(in srgb,var(--accent) 60%,transparent);background:var(--warn-soft)}
.steps strong{display:block;margin-bottom:2px}
.bar{display:flex;height:18px;border-radius:99px;overflow:hidden;background:var(--surface-2);margin:8px 0 6px}
.bar span{display:block;height:100%}
.legend{display:flex;flex-wrap:wrap;gap:14px;font-size:14px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px}
.c-rv{background:#0f7a55}.c-mo{background:#7fb8e6}.c-cr{background:#f2a33a}
table.alloc{width:100%;border-collapse:collapse;font-size:15px}
table.alloc th,table.alloc td{padding:8px 6px;border-bottom:1px solid var(--line);text-align:left}
table.alloc td.n,table.alloc th.n{text-align:right;font-variant-numeric:tabular-nums}
table.alloc input{width:70px;padding:6px;border:1.5px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg);font:15px var(--font);text-align:right}
.holdings .row{display:grid;grid-template-columns:1fr 130px 120px 36px;gap:8px;margin-bottom:8px}
@media (max-width:520px){.holdings .row{grid-template-columns:1fr 1fr}.holdings .row .del{grid-column:span 2}}
.holdings input,.holdings select{padding:9px;border:1.5px solid var(--line);border-radius:10px;background:var(--bg);color:var(--fg);font:15px var(--font);width:100%}
.iconbtn{background:none;border:1.5px solid var(--line);border-radius:10px;color:var(--muted);cursor:pointer;font-size:16px}
.chart{width:100%;height:auto;display:block}
.toolbar{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.hidden{display:none !important}

/* pie */
.site-footer{border-top:1px solid var(--line);margin-top:40px;padding:32px 0;font-size:14px;color:var(--muted)}
.site-footer .cols{display:grid;gap:20px;grid-template-columns:2fr 1fr 1fr}
@media (max-width:700px){.site-footer .cols{grid-template-columns:1fr}}
.site-footer a{color:var(--muted)}.site-footer a:hover{color:var(--fg)}
.site-footer ul{list-style:none;padding:0;margin:0}.site-footer li{margin:4px 0}
.site-footer .disclaimer{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);font-size:13px}
.linkbtn{background:none;border:0;padding:0;color:var(--muted);text-decoration:underline;cursor:pointer;font:inherit}

/* =====================================================================
   v2 · pulido de diseño
   ===================================================================== */
.tool>*{min-width:0}
fieldset{min-width:0}
.choice{overflow-wrap:anywhere}
.prose table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
@media (max-width:600px){.prose table{font-size:14px}.prose th,.prose td{padding:7px 6px}}
table.alloc{display:block;overflow-x:auto}
@media (max-width:520px){table.alloc{font-size:13.5px}table.alloc th,table.alloc td{padding:7px 4px}table.alloc input{width:54px;padding:5px}}
html{scroll-behavior:smooth;scroll-padding-top:84px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none !important;animation:none !important}}
::selection{background:color-mix(in srgb,var(--brand) 25%,transparent)}
body{text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}

/* foco visible y accesible */
:focus-visible{outline:3px solid color-mix(in srgb,var(--brand) 65%,transparent);outline-offset:3px;border-radius:6px}
.post-card:focus-visible{outline-offset:4px;border-radius:18px}

/* enlaces dentro del texto */
.prose :is(p,li,td,dd,figcaption) a:not(.btn),.notice a,.callout a,.muted a,.feature a{
  color:var(--brand);font-weight:600;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px;
  text-decoration-color:color-mix(in srgb,var(--brand) 35%,transparent);border-radius:3px;
  transition:text-decoration-color .15s ease,background-color .15s ease,color .15s ease}
.prose :is(p,li,td,dd,figcaption) a:not(.btn):hover,.notice a:hover,.callout a:hover,.muted a:hover,.feature a:hover{
  color:var(--brand-strong);text-decoration-color:currentColor;background:color-mix(in srgb,var(--brand) 10%,transparent)}
.prose :is(p,li,td,dd) a[target="_blank"]::after{content:"↗";display:inline-block;margin-left:2px;font-size:.78em;font-weight:700;text-decoration:none}

/* cabecera */
.site-header{transition:box-shadow .2s ease}
.site-header.scrolled{box-shadow:0 6px 20px rgba(16,32,24,.08)}
.nav a:not(.btn){position:relative}
.nav a:not(.btn)[aria-current="page"]{background:transparent;color:var(--brand)}
.nav a:not(.btn)[aria-current="page"]::after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;background:var(--brand)}
.logo:hover{color:var(--fg)}
@media (max-width:760px){.nav a:not(.btn){padding:12px}.nav a:not(.btn)[aria-current="page"]::after{left:12px;right:auto;width:28px}}

/* anclas de sección en los artículos */
.post-body h2,.post-body h3{position:relative}
.post-body .anchor{position:absolute;left:-1.1em;top:0;padding-right:.3em;color:var(--muted);text-decoration:none;font-weight:600;opacity:0;transition:opacity .15s}
.post-body h2:hover .anchor,.post-body h3:hover .anchor,.post-body .anchor:focus-visible{opacity:.8}
@media (max-width:760px){.post-body .anchor{display:none}}

/* índice lateral numerado */
.toc-side ol{counter-reset:t}
.toc-side li{counter-increment:t}
.toc-side a{display:grid;grid-template-columns:22px 1fr;gap:2px}
.toc-side a::before{content:counter(t) ".";color:var(--muted);font-variant-numeric:tabular-nums;font-size:13px;padding-top:1px}
.toc-side a.active::before{color:var(--brand)}

/* índice desplegable en móvil */
.toc-mobile{display:none;background:var(--surface);border:1px solid var(--line);border-radius:14px;margin:0 0 24px;box-shadow:var(--shadow)}
.toc-mobile summary{cursor:pointer;list-style:none;padding:14px 18px;font-weight:700;display:flex;justify-content:space-between;align-items:center}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"▾";color:var(--brand);transition:transform .2s}
.toc-mobile[open] summary::after{transform:rotate(180deg)}
.toc-mobile ol{margin:0;padding:0 18px 16px 38px}
.toc-mobile li{font-size:16px !important;margin:8px 0}
.toc-mobile a{color:var(--fg) !important;font-weight:500 !important;text-decoration:none !important;background:none !important}
@media (max-width:1000px){.toc-mobile{display:block}}

/* «Lee también» dentro del artículo */
.read-also{margin:32px 0;padding:0;border:0}
.read-also>span{display:block;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--brand);margin-bottom:8px}
.read-also-card{display:grid;grid-template-columns:150px 1fr;gap:16px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:12px;text-decoration:none;color:var(--fg);box-shadow:var(--shadow);transition:transform .18s ease,border-color .18s ease}
.read-also-card:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--brand) 45%,var(--line));color:var(--fg)}
.read-also-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:10px;display:block}
.read-also-card strong{display:block;font-size:17px;line-height:1.3;margin-bottom:4px}
.read-also-card em{font-style:normal;color:var(--muted);font-size:14.5px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.read-also-card .go{display:inline-block;margin-top:6px;font-size:14px;font-weight:700;color:var(--brand)}
@media (max-width:520px){.read-also-card{grid-template-columns:96px 1fr;gap:12px}.read-also-card em{display:none}}

/* compartir */
.share{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:36px 0 8px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.share>strong{margin-right:6px;font-size:15px}
.share a,.share button{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 14px;border-radius:99px;border:1.5px solid var(--line);background:var(--surface);color:var(--fg);font:600 14px var(--font);text-decoration:none;cursor:pointer;transition:border-color .15s,background .15s,color .15s}
.share a:hover,.share button:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.share svg{width:18px;height:18px;flex:none}
.share button.ok{border-color:var(--brand);color:var(--brand)}

/* anterior / siguiente */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:28px 0 8px}
.post-nav a{display:flex;flex-direction:column;gap:4px;padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:var(--surface);text-decoration:none;color:var(--fg);transition:border-color .15s,transform .15s}
.post-nav a:hover{border-color:var(--brand);transform:translateY(-2px);color:var(--fg)}
.post-nav small{font-size:13px;color:var(--muted);font-weight:600}
.post-nav span{font-weight:700;line-height:1.35}
.post-nav .next{text-align:right;grid-column:2}
@media (max-width:600px){.post-nav{grid-template-columns:1fr}.post-nav .next{grid-column:1;text-align:left}}

/* tarjetas de artículo */
.post-card{position:relative}
.post-card img{transition:transform .35s ease;height:auto}
.read-also-card img{height:auto}
.post-card:hover img{transform:scale(1.035)}
.post-card .thumb{overflow:hidden;background:var(--brand-soft)}
.post-card .cat{align-self:flex-start;background:var(--brand-soft);color:var(--brand-strong);padding:3px 10px;border-radius:99px;font-size:11.5px}
.post-card h2,.post-card h3{transition:color .15s}
.post-card:hover h2,.post-card:hover h3{color:var(--brand)}
.post-card .foot{display:flex;justify-content:space-between;align-items:center;margin-top:8px;padding-top:12px;border-top:1px solid var(--line)}
.post-card .go{font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.post-card .go::after{content:"→";transition:transform .18s ease}
.post-card:hover .go::after{transform:translateX(4px)}

/* blog: destacado y filtros */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px}
.filters button{height:38px;padding:0 16px;border-radius:99px;border:1.5px solid var(--line);background:var(--surface);color:var(--fg);font:600 14px var(--font);cursor:pointer;transition:all .15s}
.filters button:hover{border-color:var(--brand);color:var(--brand)}
.filters button[aria-pressed="true"]{background:var(--brand);border-color:var(--brand);color:#fff}
:root[data-theme="dark"] .filters button[aria-pressed="true"]{color:#06130d}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .filters button[aria-pressed="true"]{color:#06130d}}
@media (min-width:860px){
  .post-grid.featured .post-card:first-child{grid-column:1/-1;display:grid;grid-template-columns:1.25fr 1fr}
  .post-grid.featured .post-card:first-child .thumb{height:100%}
  .post-grid.featured .post-card:first-child img{height:100%;aspect-ratio:auto}
  .post-grid.featured .post-card:first-child .post-card-body{padding:32px;justify-content:center}
  .post-grid.featured .post-card:first-child h2{font-size:28px}
  .post-grid.featured .post-card:first-child p{flex:0;font-size:16.5px}
}
.post-card.hide{display:none}

/* volver arriba */
.to-top{position:fixed;right:18px;bottom:18px;width:46px;height:46px;border-radius:50%;border:0;background:var(--brand);color:#fff;font-size:20px;cursor:pointer;box-shadow:var(--shadow);opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .2s,transform .2s;z-index:15}
.to-top.show{opacity:1;transform:none;pointer-events:auto}
:root[data-theme="dark"] .to-top{color:#06130d}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .to-top{color:#06130d}}

/* pie */
.site-footer{background:var(--surface);margin-top:56px}
main:has(>section.cta-band:last-child)~.site-footer,main:has(>section.cta-band+section:last-child)~.site-footer{margin-top:0}
.site-footer .brand-line{display:flex;align-items:center;gap:10px;color:var(--fg);font-weight:700;font-size:17px;margin-bottom:6px;text-decoration:none}
.site-footer .brand-line svg{width:28px;height:28px}
.site-footer strong.h{display:block;color:var(--fg);margin-bottom:8px;font-size:13px;text-transform:uppercase;letter-spacing:.06em}
.site-footer a{text-decoration:none}
.site-footer a:hover{text-decoration:underline;text-underline-offset:3px}
.site-footer li{margin:7px 0}
.cta-band+.site-footer,.related+.cta-band{margin-top:0}

/* banner de cookies */
.cc{position:fixed;left:0;right:0;bottom:0;z-index:50;padding:16px;pointer-events:none}
.cc-box{pointer-events:auto;max-width:860px;margin:0 auto;background:var(--surface);color:var(--fg);border:1px solid var(--line);border-radius:18px;
  box-shadow:0 10px 40px rgba(10,30,20,.22);padding:20px 22px;display:grid;gap:14px;
  transform:translateY(24px);opacity:0;transition:transform .25s ease,opacity .25s ease}
.cc.show .cc-box{transform:none;opacity:1}
.cc-title{display:block;font-size:17px;margin-bottom:4px}
.cc-main p{margin:0;font-size:14.5px;line-height:1.55;color:var(--muted)}
.cc-main a{color:var(--brand);font-weight:600}
.cc-prefs{display:grid;gap:10px;padding:12px 14px;background:var(--surface-2);border-radius:12px}
.cc-prefs[hidden]{display:none}
.cc-opt{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.45;cursor:pointer}
.cc-opt input{margin-top:3px;width:18px;height:18px;accent-color:var(--brand);flex:none}
.cc-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}
.cc-btn{min-width:150px;height:44px;padding:0 18px;border-radius:12px;font:600 15px var(--font);cursor:pointer;
  background:var(--surface);color:var(--fg);border:1.5px solid var(--fg);transition:background .15s,color .15s}
.cc-btn:hover{background:var(--fg);color:var(--surface)}
.cc-btn[hidden]{display:none}
@media (max-width:640px){
  .cc{padding:10px}
  .cc-box{padding:16px;border-radius:16px}
  .cc-actions{display:grid;grid-template-columns:1fr 1fr}
  .cc-btn{min-width:0;width:100%}
  .cc-btn[data-cc="config"],.cc-btn[data-cc="save"]{grid-column:1/-1;order:3}
}
@media print{.cc{display:none}}

/* migas */
.crumbs a{text-decoration:underline;text-decoration-color:transparent;text-underline-offset:3px;transition:text-decoration-color .15s}
.crumbs a:hover{text-decoration-color:currentColor}

/* ================= Aprende jugando ================= */
html.qz-open{overflow:hidden}
.qz-hero{display:flex;gap:22px;align-items:center;padding:28px 0 6px}
.qz-hero .euri{width:110px;height:110px;flex:none}
.qz-hero h1{margin:0 0 6px;font-size:clamp(28px,5vw,40px);line-height:1.15}
.qz-hero p{margin:0;max-width:640px}
@media (max-width:560px){.qz-hero{flex-direction:column;align-items:flex-start;gap:10px}.qz-hero .euri{width:84px;height:84px}}
.euri{display:inline-block;width:72px;height:72px;flex:none}
.euri svg{width:100%;height:100%;display:block;overflow:visible}
.euri.grande{width:132px;height:132px}
.euri.salta{animation:qzSalta .55s ease}
.euri.tiembla{animation:qzTiembla .45s ease}
@keyframes qzSalta{0%,100%{transform:translateY(0)}40%{transform:translateY(-14px) rotate(-6deg)}70%{transform:translateY(0) rotate(4deg)}}
@keyframes qzTiembla{0%,100%{transform:translateX(0)}20%{transform:translateX(-7px)}40%{transform:translateX(6px)}60%{transform:translateX(-4px)}80%{transform:translateX(3px)}}

#qz{max-width:640px;margin:0 auto;padding:10px 0 40px}
.qz-stats{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:12px 0 26px;position:sticky;top:66px;z-index:4;padding:8px;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(6px);border-radius:999px}
.qz-stat{display:inline-flex;align-items:center;gap:4px;padding:7px 14px;border:2px solid var(--line);border-radius:999px;background:var(--surface);color:var(--muted);font-size:14px}
.qz-stat b{color:var(--fg);font-size:16px}
.qz-stat.fuego.on{border-color:#f2a33a}
.qz-stat.fuego.on b{color:#e07a10}
.qz-todo{display:flex;gap:16px;align-items:center;padding:18px;border:2px solid var(--brand);border-radius:20px;background:var(--brand-soft);margin-bottom:24px}
.qz-todo h2{margin:0 0 4px;font-size:20px}.qz-todo p{margin:0}
.qz-todo .euri.grande{width:90px;height:90px}

.qz-unit{margin:0 0 34px;scroll-margin-top:130px}
.qz-unit-head{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:20px;background:var(--u);color:#fff;box-shadow:0 5px 0 rgba(0,0,0,.18)}
.qz-unit-head small{display:block;font-weight:700;text-transform:uppercase;letter-spacing:.06em;font-size:12px;opacity:.85}
.qz-unit-head h2{margin:0;font-size:20px;line-height:1.2;color:#fff}
.qz-unit-head>div{flex:1;min-width:0}
.qz-unit-ico{font-size:30px;width:52px;height:52px;display:grid;place-items:center;border-radius:14px;background:rgba(255,255,255,.18);flex:none}
.qz-unit-n{font-weight:800;background:rgba(255,255,255,.2);padding:6px 12px;border-radius:999px;font-size:14px}

.qz-path{list-style:none;margin:22px 0 0;padding:0;display:flex;flex-direction:column;align-items:center;gap:18px}
.qz-node-wrap{position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;transform:translateX(calc(var(--x) * 64px))}
.qz-node{position:relative;width:78px;height:72px;border-radius:50%;border:0;cursor:pointer;background:var(--u);color:#fff;font-size:30px;display:grid;place-items:center;box-shadow:0 7px 0 rgba(0,0,0,.25),inset 0 -4px 0 rgba(0,0,0,.08);transition:transform .08s,box-shadow .08s;-webkit-tap-highlight-color:transparent}
.qz-node:hover{filter:brightness(1.06)}
.qz-node:active{transform:translateY(5px);box-shadow:0 2px 0 rgba(0,0,0,.25)}
.qz-node:focus-visible{outline:3px solid var(--fg);outline-offset:6px}
.qz-node.reto{border-radius:24px;background:linear-gradient(160deg,#f7c548,#e9962a)}
.qz-node.done{background:var(--u)}
.qz-node.done .qz-node-ico{font-weight:900;font-size:34px}
.qz-node.done.reto{background:linear-gradient(160deg,#f7c548,#e9962a)}
.qz-node.locked{background:var(--surface-2);color:var(--muted);box-shadow:0 7px 0 var(--line);cursor:not-allowed;font-size:24px}
.qz-node.locked:hover{filter:none}
.qz-node.locked:active{transform:none;box-shadow:0 7px 0 var(--line)}
.qz-node.current::after{content:"";position:absolute;inset:-10px;border-radius:inherit;border:4px solid var(--u);opacity:.35}
.qz-node-wrap.is-current .qz-node::after{animation:qzAro 1.6s ease-out infinite}
@keyframes qzAro{0%{transform:scale(.92);opacity:.5}100%{transform:scale(1.18);opacity:0}}
.qz-node-label{font-size:13px;font-weight:700;color:var(--muted);text-align:center;max-width:150px;line-height:1.25}
.qz-go{position:absolute;top:-38px;z-index:1;background:var(--surface);color:var(--u);border:2px solid var(--line);font-weight:900;font-size:13px;letter-spacing:.06em;padding:5px 12px;border-radius:10px;white-space:nowrap;box-shadow:var(--shadow)}
.qz-go::after{content:"";position:absolute;left:50%;bottom:-7px;width:10px;height:10px;background:var(--surface);border-right:2px solid var(--line);border-bottom:2px solid var(--line);transform:translateX(-50%) rotate(45deg)}
.qz-node-wrap.is-current .qz-go{animation:qzFlota 1.4s ease-in-out infinite}
@keyframes qzFlota{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
.qz-node-wrap.is-current{margin-top:26px}
.qz-tip{position:absolute;top:100%;margin-top:4px;z-index:3;background:var(--fg);color:var(--bg);font-size:13px;padding:7px 11px;border-radius:10px;width:max-content;max-width:220px;text-align:center}
.qz-reset{text-align:center;margin-top:10px}

/* pantalla de lección */
.qz-play{--ok-bg:#d9f6e5;--ok-fg:#127a3f;--ok-line:#2bb36b;--ko-bg:#fde3e1;--ko-fg:#b3261e;--ko-line:#e0574f;position:fixed;inset:0;z-index:1000;background:var(--bg);display:grid;grid-template-rows:auto 1fr auto;color:var(--fg)}
:root[data-theme="dark"] .qz-play{--ok-bg:#12331f;--ok-fg:#6be0a0;--ok-line:#2f9d63;--ko-bg:#3a1917;--ko-fg:#ff9c95;--ko-line:#c9524b}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .qz-play{--ok-bg:#12331f;--ok-fg:#6be0a0;--ok-line:#2f9d63;--ko-bg:#3a1917;--ko-fg:#ff9c95;--ko-line:#c9524b}}
.qz-top{display:flex;align-items:center;gap:14px;width:100%;max-width:760px;margin:0 auto;padding:18px 16px 8px}
.qz-x{border:0;background:none;color:var(--muted);font-size:34px;line-height:1;width:40px;height:40px;border-radius:10px;cursor:pointer;flex:none}
.qz-x:hover{background:var(--surface-2);color:var(--fg)}
.qz-bar{flex:1;height:16px;border-radius:999px;background:var(--surface-2);overflow:hidden;border:1px solid var(--line)}
.qz-bar span{display:block;height:100%;width:0;border-radius:999px;background:var(--brand);box-shadow:inset 0 4px 0 rgba(255,255,255,.28);transition:width .4s cubic-bezier(.3,1.4,.6,1)}
.qz-combo{font-weight:800;color:#e07a10;font-size:14px;min-width:0;white-space:nowrap}
.qz-stage:focus{outline:none}
.qz-stage{overflow-y:auto;width:100%;max-width:760px;margin:0 auto;padding:12px 16px 28px}
.qz-kind{margin:8px 0 14px;font-size:clamp(20px,4vw,26px);font-weight:800}
.qz-ask{display:flex;align-items:flex-end;gap:12px;margin-bottom:22px}
.qz-ask .euri{width:86px;height:86px}
.qz-bubble{position:relative;flex:1;border:2px solid var(--line);background:var(--surface);border-radius:18px;padding:14px 16px;font-size:18px;line-height:1.45;font-weight:600}
.qz-bubble::before{content:"";position:absolute;left:-9px;bottom:22px;width:14px;height:14px;background:var(--surface);border-left:2px solid var(--line);border-bottom:2px solid var(--line);transform:rotate(45deg)}
.qz-answers{display:grid;gap:12px}
.qz-tf{grid-template-columns:1fr 1fr}
.qz-opt{display:flex;align-items:center;gap:12px;width:100%;text-align:left;font:inherit;font-size:17px;line-height:1.35;color:var(--fg);background:var(--surface);border:2px solid var(--line);border-bottom-width:5px;border-radius:16px;padding:14px 16px;cursor:pointer;transition:background .12s,border-color .12s,transform .06s;-webkit-tap-highlight-color:transparent}
.qz-tf .qz-opt{justify-content:center;font-weight:700;padding:20px 12px;font-size:18px}
.qz-opt:hover{background:var(--surface-2)}
.qz-opt:active{transform:translateY(2px);border-bottom-width:3px}
.qz-opt kbd{flex:none;display:grid;place-items:center;width:28px;height:28px;border:2px solid var(--line);border-radius:8px;font:700 13px var(--font);color:var(--muted);background:transparent}
.qz-tf .qz-opt kbd{display:none}
.qz-opt[aria-pressed="true"]{border-color:var(--brand);background:var(--brand-soft)}
.qz-opt[aria-pressed="true"] kbd{border-color:var(--brand);color:var(--brand)}
.qz-opt:disabled{cursor:default}
.qz-opt.ok{border-color:var(--ok-line);background:var(--ok-bg);color:var(--ok-fg)}
.qz-opt.ok kbd{border-color:var(--ok-line);color:var(--ok-fg)}
.qz-opt.ko{border-color:var(--ko-line);background:var(--ko-bg);color:var(--ko-fg)}
.qz-opt:disabled:not(.ok):not(.ko){opacity:.6}
.qz-line{list-style:none;margin:0;padding:12px;min-height:72px;border:2px dashed var(--line);border-radius:16px;display:grid;gap:8px}
.qz-line.ok{border-style:solid;border-color:var(--ok-line);background:var(--ok-bg)}
.qz-line.ko{border-style:solid;border-color:var(--ko-line);background:var(--ko-bg)}
.qz-line-empty{color:var(--muted);font-size:15px;align-self:center;text-align:center}
.qz-bank{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.qz-chip{font:inherit;font-size:16px;line-height:1.3;text-align:left;color:var(--fg);background:var(--surface);border:2px solid var(--line);border-bottom-width:4px;border-radius:14px;padding:10px 14px;cursor:pointer;-webkit-tap-highlight-color:transparent}
.qz-chip:hover{background:var(--surface-2)}
.qz-chip:active{transform:translateY(2px);border-bottom-width:2px}
.qz-chip.usado{opacity:.25;cursor:default}
.qz-chip.puesto{display:flex;align-items:center;gap:10px;width:100%}
.qz-chip.puesto b{flex:none;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--brand);color:#fff;font-size:13px}
.qz-chip:disabled{cursor:default}

.qz-foot{border-top:2px solid var(--line);background:var(--surface);padding:16px}
.qz-foot.is-ok{background:var(--ok-bg);border-top-color:var(--ok-line)}
.qz-foot.is-ko{background:var(--ko-bg);border-top-color:var(--ko-line)}
.qz-foot-in{max-width:760px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:18px}
.qz-fb{flex:1;min-width:0;max-height:38vh;overflow-y:auto}
.qz-fb:empty{display:none}
.qz-fb p{margin:6px 0 0;font-size:15px;line-height:1.5}
.qz-fb-t{font-size:20px}
.is-ok .qz-fb-t{color:var(--ok-fg)}
.is-ko .qz-fb-t,.is-ko .qz-fb-sol{color:var(--ko-fg)}
.qz-fb-orden{margin:6px 0 0;padding-left:22px;font-weight:700;color:var(--ko-fg)}
.qz-fb-link{display:inline-block;margin-top:8px;font-weight:700;color:inherit;text-decoration:underline;text-underline-offset:3px}
.is-ok .qz-fb-link{color:var(--ok-fg)}.is-ko .qz-fb-link{color:var(--ko-fg)}
.qz-fb-otra{font-size:13px !important;opacity:.8}
.qz-check{min-width:170px;padding:14px 22px;font-size:17px;border-radius:14px;margin-left:auto;box-shadow:0 4px 0 rgba(0,0,0,.2)}
.qz-check:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}
.is-ok .qz-check{background:var(--ok-line);border-color:var(--ok-line)}
.is-ko .qz-check{background:var(--ko-line);border-color:var(--ko-line)}
@media (max-width:640px){
  .qz-foot-in{flex-direction:column;align-items:stretch;gap:12px}
  .qz-check{width:100%;margin:0}
  .qz-ask .euri{width:64px;height:64px}
  .qz-bubble{font-size:17px}
  .qz-opt{font-size:16px;padding:13px 14px}
  .qz-top{padding-top:12px}
  .qz-fb{max-height:30vh}
  .qz-stats{gap:6px}
  .qz-stat{padding:6px 10px;font-size:13px}
  .qz-stat b{font-size:15px}
}
.qz-end{text-align:center;padding-top:10px}
.qz-end h2{margin:12px 0 4px;font-size:clamp(26px,5vw,34px);color:var(--brand)}
.qz-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:460px;margin:22px auto}
.qz-tile{border:2px solid;border-radius:16px;overflow:hidden;background:var(--surface)}
.qz-tile small{display:block;color:#fff;font-weight:800;font-size:12px;text-transform:uppercase;letter-spacing:.05em;padding:5px}
.qz-tile b{display:block;padding:12px 4px;font-size:20px}
.qz-tile.xp{border-color:#f2a33a}.qz-tile.xp small{background:#f2a33a}
.qz-tile.pr{border-color:#2bb36b}.qz-tile.pr small{background:#2bb36b}
.qz-tile.ra{border-color:#e9632a}.qz-tile.ra small{background:#e9632a}
.qz-confeti{position:fixed;inset:0;pointer-events:none;overflow:hidden;z-index:1001}
.qz-confeti i{position:absolute;top:-16px;width:9px;height:14px;border-radius:2px;animation:qzCae 2s linear forwards}
@keyframes qzCae{to{top:105%;transform:rotate(720deg) translateX(40px)}}
@media (prefers-reduced-motion:reduce){.euri.salta,.euri.tiembla,.qz-node-wrap .qz-go,.qz-node::after{animation:none !important}.qz-bar span{transition:none}}

/* tarjeta en portada */
.qz-promo{display:flex;align-items:center;gap:22px;padding:24px;border-radius:22px;background:linear-gradient(135deg,var(--brand-soft),var(--surface));border:2px solid var(--line)}
.qz-promo .euri{width:110px;height:110px}
.qz-promo h2{margin:0 0 6px}
.qz-promo p{margin:0 0 14px;color:var(--muted)}
.qz-promo-chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 16px;padding:0;list-style:none}
.qz-promo-chips li{padding:5px 11px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-size:14px}
@media (max-width:600px){.qz-promo{flex-direction:column;align-items:flex-start}.qz-promo .euri{width:80px;height:80px}}

/* niveles de dificultad */
.qz-levels{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:0 0 10px;padding:6px;border:2px solid var(--line);border-radius:18px;background:var(--surface)}
.qz-level{display:flex;flex-direction:column;align-items:center;gap:2px;padding:10px 6px;border:0;border-radius:13px;background:none;color:var(--muted);font:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}
.qz-level:hover{background:var(--surface-2)}
.qz-level-n{font-weight:800;font-size:15px;color:var(--fg);white-space:nowrap}
.qz-level small{font-size:12px;font-weight:700}
.qz-level[aria-selected="true"]{background:var(--brand-soft);box-shadow:inset 0 0 0 2px var(--brand)}
.qz-level[aria-selected="true"] small{color:var(--brand)}
.qz-level.bloq .qz-level-n{color:var(--muted)}
.qz-level:focus-visible{outline:3px solid var(--fg);outline-offset:2px}
.qz-level-intro{text-align:center;color:var(--muted);font-size:14px;margin:0 auto 24px;max-width:480px}
.qz-unit.bloq .qz-unit-head{filter:grayscale(.85);opacity:.7}
.qz-unit-lock{margin:12px auto 0;text-align:center;font-size:14px;color:var(--muted);max-width:420px}
.qz-lvl-chip{font-size:16px;line-height:1;flex:none}
.qz-unlock{display:inline-block;margin:12px auto 0;padding:10px 14px;border-radius:12px;background:var(--brand-soft);color:var(--brand-strong);font-weight:700}
.qz-num{display:flex;align-items:center;gap:10px;max-width:340px;padding:6px 16px;border:2px solid var(--line);border-bottom-width:5px;border-radius:16px;background:var(--surface)}
.qz-num:focus-within{border-color:var(--brand)}
.qz-num.ok{border-color:var(--ok-line);background:var(--ok-bg)}
.qz-num.ko{border-color:var(--ko-line);background:var(--ko-bg)}
.qz-num-in{flex:1;min-width:0;border:0;background:none;color:var(--fg);font:800 26px var(--font);padding:8px 0;outline:none}
.qz-num.ok .qz-num-in{color:var(--ok-fg)}.qz-num.ko .qz-num-in{color:var(--ko-fg)}
.qz-num-u{font-weight:800;font-size:18px;color:var(--muted)}
.qz-num-help{margin:0;color:var(--muted);font-size:14px}
@media (max-width:420px){.qz-level-n{font-size:13px}.qz-level{padding:9px 2px}}
.qz-answers{grid-template-columns:minmax(0,1fr)}.qz-answers.qz-tf{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.qz-num-in{width:100%}