.onboarding-shell{min-height:100dvh;display:grid;grid-template-columns:minmax(0,1fr)}.onboarding-brand{position:relative;overflow:hidden;padding:var(--space-xl) var(--gutter) var(--space-lg);background:var(--grad-brand);color:#fff}.onboarding-brand:before{content:"";position:absolute;inset:auto -20% -50% auto;width:80%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgb(255 255 255 / .28),transparent 65%)}.onboarding-brand__name{position:relative;font-family:var(--font-display);font-weight:800;font-size:var(--font-size-md);display:flex;align-items:center;gap:var(--space-sm)}.onboarding-brand__name:before{content:"";width:.8rem;height:.8rem;border-radius:50%;background:#fff}.onboarding-brand__title{position:relative;margin:var(--space-lg) 0 0;max-width:12ch;color:#fff;font-size:clamp(2rem,1.4rem + 3.5vw,4.25rem);line-height:1;letter-spacing:-.04em}.onboarding-brand__lead{position:relative;display:none;margin-top:var(--space-md);font-size:var(--font-size-lg);max-width:30ch;opacity:.92}.onboarding-container,.onboarding-recommendation{width:100%;max-width:40rem;margin:0 auto;padding:var(--space-xl) var(--gutter) var(--space-2xl);align-self:center}.onboarding-progress{display:flex;align-items:center;gap:var(--space-sm);margin-bottom:var(--space-lg);font-size:var(--font-size-sm);font-weight:700;color:var(--color-muted)}.onboarding-dots{display:flex;gap:.4rem}.onboarding-dots i{width:2rem;height:.4rem;border-radius:99px;background:var(--color-border);transition:background-color .3s var(--ease)}.onboarding-dots i.on{background:var(--color-stamp)}.onboarding-question{border-radius:var(--radius-md);animation:ob-in .4s var(--ease)}.onboarding-question:focus{outline:none}@keyframes ob-in{0%{opacity:0;transform:translateY(14px)}}.onboarding-question h2{font-size:var(--font-size-xl);letter-spacing:-.03em;margin-bottom:var(--space-lg)}.onboarding-options{display:flex;flex-direction:column;gap:var(--space-sm);margin-bottom:var(--space-lg)}.onboarding-option{display:flex;align-items:center;gap:var(--space-md);min-height:4.5rem;padding:var(--space-sm) var(--space-lg) var(--space-sm) var(--space-sm);text-align:left;font-size:var(--font-size-base);line-height:1.35;font-weight:600;background:var(--color-surface);border:2px solid var(--color-border);border-radius:var(--radius-lg);transition:transform var(--dur) var(--spring),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}.onboarding-option:before{content:attr(data-key);flex-shrink:0;display:grid;place-items:center;width:2.75rem;height:2.75rem;border-radius:var(--radius-md);background:var(--color-surface-2);color:var(--color-stamp);font-family:var(--font-display);font-weight:800;transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease)}.onboarding-option:hover{border-color:var(--color-stamp);transform:translateY(-2px);box-shadow:var(--shadow-md)}.onboarding-option:hover:before{background:var(--color-stamp);color:var(--color-on-stamp)}.onboarding-option:active{transform:scale(.99)}.btn-back,.btn-primary{display:inline-flex;align-items:center;justify-content:center;min-height:var(--tap);padding:0 var(--space-lg);border-radius:999px;font-size:var(--font-size-sm);font-weight:700}.btn-back{background:transparent;border:var(--border-width) solid var(--color-border)}.btn-back:hover{border-color:var(--color-stamp)}.onboarding-recommendation{text-align:left;animation:ob-in .5s var(--ease)}.onboarding-recommendation h2{font-size:var(--font-size-2xl);letter-spacing:-.04em}.recommendation-message{margin-bottom:var(--space-xl);font-size:var(--font-size-lg);color:var(--color-muted)}.btn-primary{min-height:3.75rem;padding:0 var(--space-2xl);background:var(--color-stamp);color:var(--color-on-stamp);border:none;font-size:var(--font-size-md);box-shadow:var(--shadow-glow);transition:transform var(--dur) var(--spring),background-color var(--dur) var(--ease)}.btn-primary:hover{transform:translateY(-2px);background:var(--color-stamp-light)}@media (min-width: 960px){.onboarding-shell{grid-template-columns:minmax(0,5fr) minmax(0,6fr)}.onboarding-brand{padding:var(--space-3xl) var(--space-2xl);display:flex;flex-direction:column;justify-content:space-between}.onboarding-brand__lead{display:block}.onboarding-container,.onboarding-recommendation{padding:var(--space-3xl) var(--space-2xl)}}.header{position:sticky;top:0;z-index:var(--z-header);padding:var(--space-sm) var(--gutter) 0;pointer-events:none;transition:transform .3s var(--ease)}.header__bar{pointer-events:auto;max-width:var(--max-width-content);margin:0 auto;min-height:3.75rem;padding:.4rem .5rem .4rem .6rem;display:flex;align-items:center;justify-content:space-between;gap:var(--space-sm);background:color-mix(in srgb,var(--color-surface) 72%,transparent);backdrop-filter:saturate(1.6) blur(18px);-webkit-backdrop-filter:saturate(1.6) blur(18px);border:var(--border-width) solid color-mix(in srgb,var(--color-border) 80%,transparent);border-radius:999px;box-shadow:var(--shadow-sm)}.header__brand{display:inline-flex;align-items:center;gap:var(--space-sm);min-height:var(--tap);text-decoration:none;color:var(--color-ink)}.header__logo{display:grid;place-items:center;width:2.75rem;height:2.75rem;border-radius:50%;background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-glow)}.header__title{font-family:var(--font-display);font-size:var(--font-size-md);font-weight:750;letter-spacing:-.02em}.header__actions{display:flex;align-items:center;gap:.4rem}.header__btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-width:var(--tap);min-height:var(--tap);padding:0 .85rem;background:transparent;border:var(--border-width) solid transparent;border-radius:999px;color:var(--color-ink);font-weight:650;font-size:var(--font-size-sm);transition:background-color var(--dur) var(--ease),border-color var(--dur) var(--ease)}.header__btn:hover{background:var(--color-surface-2);border-color:var(--color-border)}.header__admin{text-decoration:none}.header__label{display:none}.header__kbd{display:none;font-family:var(--font-sans);font-size:.75rem;font-weight:700;padding:.1rem .45rem;border:1px solid var(--color-border);border-radius:6px;color:var(--color-muted);background:var(--color-surface)}@media (min-width: 720px){.header__label{display:inline}}@media (min-width: 1024px){.header__kbd{display:inline}}:root[data-focus=true] .header{transform:translateY(-120%)}:root[data-focus=true] .header:focus-within{transform:none}.footer{border-top:var(--border-width) solid var(--color-border);margin-top:auto}.footer__container{max-width:var(--max-width-content);margin:0 auto;padding:var(--space-lg) var(--gutter)}.footer__text{font-family:var(--font-sans);font-size:var(--font-size-xs);color:var(--color-muted);margin:0;max-width:none}.accessibility-panel{padding:var(--space-lg);font-family:var(--font-sans);color:var(--color-ink)}.accessibility-panel__header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-lg)}.accessibility-panel h3{font-family:var(--font-serif);font-size:var(--font-size-lg);margin:0}.accessibility-panel__close{display:grid;place-items:center;width:var(--tap);height:var(--tap);background:transparent;border:var(--border-width) solid var(--color-border);border-radius:50%;font-size:1.25rem;line-height:1;color:var(--color-ink)}.accessibility-panel__close:hover{border-color:var(--color-stamp);color:var(--color-stamp)}.accessibility-group{display:flex;flex-direction:column;align-items:stretch;gap:var(--space-sm);padding:var(--space-md) 0;border-top:var(--border-width) solid var(--color-border)}.accessibility-group label{font-size:var(--font-size-sm);font-weight:600}.accessibility-group:has(.toggle){flex-direction:row;align-items:center;justify-content:space-between}.font-size-controls,.theme-controls{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:var(--space-xs)}.font-size-btn,.theme-btn{min-height:var(--tap);padding:0 var(--space-sm);background:var(--color-paper);border:2px solid var(--color-border);border-radius:var(--radius-md);font-weight:600;font-size:var(--font-size-sm);transition:border-color var(--dur) var(--ease),background-color var(--dur) var(--ease)}.font-size-btn:hover,.theme-btn:hover{border-color:var(--color-stamp)}.font-size-btn.active,.theme-btn.active{background:var(--color-stamp);border-color:var(--color-stamp);color:var(--color-on-stamp)}.toggle{position:relative;flex-shrink:0;width:3.75rem;height:2.25rem;background:var(--color-paper);border:2px solid var(--color-muted);border-radius:99px;transition:background-color var(--dur) var(--ease),border-color var(--dur) var(--ease)}.toggle-slider{position:absolute;top:50%;left:.2rem;width:1.5rem;height:1.5rem;margin-top:-.75rem;background:var(--color-muted);border-radius:50%;transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease)}.toggle.active{background:var(--color-stamp);border-color:var(--color-stamp)}.toggle.active .toggle-slider{transform:translate(1.5rem);background:var(--color-on-stamp)}.cmd{position:fixed;top:0;right:0;bottom:0;left:0;z-index:var(--z-overlay);display:flex;align-items:flex-start;justify-content:center;padding:10vh var(--gutter) var(--gutter)}.cmd__backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#0a09188c;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);animation:cmd-fade .16s var(--ease)}.cmd__panel{position:relative;width:100%;max-width:40rem;background:var(--color-surface);border:var(--border-width) solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md),var(--shadow-glow);overflow:hidden;animation:cmd-pop .26s var(--spring)}.cmd__field{display:flex;align-items:center;gap:var(--space-sm);padding:0 var(--space-md);border-bottom:var(--border-width) solid var(--color-border);color:var(--color-muted)}.cmd__input{flex:1;min-height:4rem;border:none;background:transparent;font-size:var(--font-size-md);color:var(--color-ink)}.cmd__input:focus-visible{outline:none}.cmd__field:focus-within{box-shadow:inset 0 -3px 0 var(--color-stamp)}.cmd__kbd{font-family:var(--font-sans);font-size:var(--font-size-xs);font-weight:700;padding:.15rem .5rem;border:1px solid var(--color-border);border-radius:6px;background:var(--color-surface-2);color:var(--color-muted)}.cmd__list{list-style:none;max-height:50vh;overflow-y:auto;padding:var(--space-xs);margin:0;max-width:none}.cmd__item{--c: var(--mod-0);display:flex;align-items:center;gap:var(--space-sm);min-height:3.5rem;padding:var(--space-xs) var(--space-md);margin:0;border-radius:var(--radius-md);cursor:pointer}.cmd__item[data-mod="1"]{--c: var(--mod-1)}.cmd__item[data-mod="2"]{--c: var(--mod-2)}.cmd__item[data-mod="3"]{--c: var(--mod-3)}.cmd__item[data-mod="4"]{--c: var(--mod-4)}.cmd__item.is-active{background:var(--color-surface-2);box-shadow:inset 3px 0 0 var(--c)}.cmd__dot{width:.75rem;height:.75rem;border-radius:50%;background:var(--c);flex-shrink:0}.cmd__item-text{flex:1;display:flex;flex-direction:column;min-width:0;line-height:1.3}.cmd__item-title{font-weight:650;font-size:var(--font-size-sm)}.cmd__item-sub{font-size:var(--font-size-xs);color:var(--color-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cmd__item-meta{font-size:var(--font-size-xs);color:var(--color-muted);flex-shrink:0}.cmd__empty{padding:var(--space-xl);text-align:center;color:var(--color-muted)}.cmd__hint{margin:0;max-width:none;padding:var(--space-sm) var(--space-md);font-size:var(--font-size-xs);color:var(--color-muted);border-top:var(--border-width) solid var(--color-border);display:none}@media (min-width: 768px){.cmd__hint{display:block}}@keyframes cmd-fade{0%{opacity:0}}@keyframes cmd-pop{0%{opacity:0;transform:translateY(-12px) scale(.97)}}.app-shell{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;background:var(--color-paper);color:var(--color-ink)}.app-shell__main{flex:1;width:100%;max-width:var(--max-width-content);margin:0 auto;padding:var(--space-xl) var(--gutter) var(--space-2xl)}.app-shell__main:focus{outline:none}.drawer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:var(--z-overlay);display:flex;align-items:flex-end;justify-content:center}.drawer__backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#00000080;animation:drawer-fade var(--dur) var(--ease)}.drawer__sheet{position:relative;width:100%;max-height:90dvh;overflow-y:auto;background:var(--color-surface);border-radius:var(--radius-lg) var(--radius-lg) 0 0;box-shadow:var(--shadow-md);animation:drawer-rise .24s var(--ease);padding-bottom:env(safe-area-inset-bottom)}@media (min-width: 768px){.drawer{align-items:stretch;justify-content:flex-end}.drawer__sheet{width:26rem;max-height:none;border-radius:var(--radius-lg) 0 0 var(--radius-lg);animation-name:drawer-slide}}@keyframes drawer-fade{0%{opacity:0}}@keyframes drawer-rise{0%{transform:translateY(100%)}}@keyframes drawer-slide{0%{transform:translate(100%)}}.confetti{position:fixed;top:0;right:0;bottom:0;left:0;z-index:70;pointer-events:none;overflow:hidden}.confetti__piece{position:absolute;top:-5vh;border-radius:2px;opacity:0;animation-name:confetti-fall;animation-timing-function:cubic-bezier(.3,.6,.4,1);animation-fill-mode:forwards}@keyframes confetti-fall{0%{opacity:1;transform:translateZ(0) rotate(0)}to{opacity:0;transform:translate3d(var(--drift),105vh,0) rotate(var(--rot))}}@media (prefers-reduced-motion: reduce){.confetti{display:none}}[data-reduced-motion=true] .confetti{display:none}.course-completed{max-width:56rem;margin:0 auto}.course-completed__content{position:relative;overflow:hidden;padding:clamp(1.5rem,5vw,3.5rem);background:color-mix(in srgb,var(--color-surface) 78%,transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:var(--border-width) solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-md),var(--shadow-glow)}.course-completed__content:before{content:"";position:absolute;inset:0 0 auto 0;height:8px;background:var(--grad-brand)}.course-completed__title{font-size:var(--font-size-hero);letter-spacing:-.045em;line-height:1;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}.course-completed__message{font-size:var(--font-size-lg);color:var(--color-muted);margin-bottom:var(--space-xl)}.course-completed__summary{margin-bottom:var(--space-xl)}.course-completed__summary ul{list-style:none;padding:0;display:grid;gap:var(--space-xs)}.course-completed__summary li{position:relative;margin:0;padding:var(--space-sm) var(--space-md) var(--space-sm) 3rem;background:var(--color-success-bg);border-radius:var(--radius-md);font-weight:600}.course-completed__summary li:before{content:"✓";position:absolute;left:var(--space-md);top:50%;transform:translateY(-50%);display:grid;place-items:center;width:1.6rem;height:1.6rem;border-radius:50%;background:var(--color-success);color:var(--color-paper);font-size:.9rem;font-weight:800}.course-completed__next{padding:var(--space-lg);margin-bottom:var(--space-xl);background:var(--color-surface-2);border-radius:var(--radius-lg)}.course-completed__modules{display:grid;gap:var(--space-sm)}@media (min-width: 640px){.course-completed__modules{grid-template-columns:1fr 1fr}}.course-completed__module{padding:var(--space-md);background:var(--color-surface);border:var(--border-width) solid var(--color-border);border-radius:var(--radius-md);font-size:var(--font-size-sm)}.course-completed__module strong{display:block;color:var(--color-stamp);font-family:var(--font-display)}.course-completed__cta{color:var(--color-muted);margin:0}.course-completed__agentlab{min-height:var(--tap);margin-top:var(--space-lg);padding:.7rem 1rem;border:0;border-radius:999px;color:#fff;background:#1d4ed8;font:inherit;font-weight:750;cursor:pointer;transition:background-color var(--dur) var(--ease)}.course-completed__agentlab:hover{background:#1e40af}.course-completed__agentlab:focus-visible{outline:3px solid var(--color-focus);outline-offset:3px}.agentlab-entry{margin-top:var(--space-md);display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:var(--space-lg);padding:var(--space-lg) var(--space-xl);background:color-mix(in srgb,var(--mod-2) 8%,var(--color-surface));border:1px solid color-mix(in srgb,var(--mod-2) 28%,var(--color-border));border-radius:var(--radius-lg)}.agentlab-entry__icon{display:grid;place-items:center;width:3.25rem;height:3.25rem;border-radius:1rem;color:var(--mod-2);background:color-mix(in srgb,var(--mod-2) 14%,var(--color-surface))}.agentlab-entry__copy{min-width:0}.agentlab-entry__eyebrow{margin:0 0 .2rem;color:var(--mod-2);font-size:var(--font-size-xs);font-weight:800;letter-spacing:.04em;text-transform:uppercase}.agentlab-entry h3{margin:0 0 .25rem;font-size:var(--font-size-lg)}.agentlab-entry__copy p:last-child{margin:0;color:var(--color-muted);font-size:var(--font-size-sm)}.agentlab-entry__button{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;min-height:var(--tap);padding:.65rem 1rem;border:0;border-radius:999px;color:#fff;background:#1d4ed8;font-weight:750;cursor:pointer;transition:background-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}.agentlab-entry__button:hover{background:#1e40af;box-shadow:var(--shadow-sm)}.agentlab-entry__button:focus-visible{outline:3px solid var(--color-focus);outline-offset:3px}@media (max-width: 700px){.agentlab-entry{grid-template-columns:auto minmax(0,1fr);padding:var(--space-md)}.agentlab-entry__button{grid-column:1 / -1;width:100%}}.course-map{display:flex;flex-direction:column;gap:var(--space-xl)}.ring{position:relative;display:grid;place-items:center;flex-shrink:0}.ring svg{position:absolute;top:0;right:0;bottom:0;left:0}.ring__value{position:relative;font-family:var(--font-display);font-weight:800;font-size:2.75rem;letter-spacing:-.04em;line-height:1}.ring__value small{font-size:1.1rem;font-weight:700;color:var(--color-muted);margin-left:2px}.hero{position:relative;display:grid;gap:var(--space-xl);padding:clamp(1.5rem,4vw,3.5rem);background:color-mix(in srgb,var(--color-surface) 70%,transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:var(--border-width) solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);overflow:hidden}.hero:after{content:"";position:absolute;right:-10%;top:-40%;width:60%;aspect-ratio:1;background:var(--grad-brand);opacity:.12;filter:blur(60px);border-radius:50%;pointer-events:none}.hero__copy{position:relative;z-index:1}.hero__eyebrow{display:inline-flex;align-items:center;gap:.6rem;margin-bottom:var(--space-md);padding:.35rem .9rem .35rem .7rem;background:var(--color-surface);border:var(--border-width) solid var(--color-border);border-radius:999px;font-size:var(--font-size-xs);font-weight:700;color:var(--color-muted)}.hero__pulse{width:.6rem;height:.6rem;border-radius:50%;background:var(--mod-0);box-shadow:0 0 color-mix(in srgb,var(--mod-0) 60%,transparent);animation:pulse 2s infinite}@keyframes pulse{70%{box-shadow:0 0 0 10px transparent}to{box-shadow:0 0 0 0 transparent}}.hero__title{font-size:var(--font-size-hero);line-height:1;letter-spacing:-.04em;margin-bottom:var(--space-md);max-width:14ch}.hero__lead{font-size:var(--font-size-lg);color:var(--color-muted);margin-bottom:var(--space-xl);max-width:36ch}.hero__cta{display:flex;align-items:center;gap:var(--space-md);width:100%;max-width:32rem;min-height:4.5rem;padding:var(--space-sm) var(--space-lg) var(--space-sm) var(--space-sm);text-align:left;background:var(--color-ink);color:var(--color-paper);border:none;border-radius:999px;box-shadow:var(--shadow-md);transition:transform var(--dur) var(--spring),box-shadow var(--dur) var(--ease)}.hero__cta:hover{transform:translateY(-3px);box-shadow:var(--shadow-md),var(--shadow-glow)}.hero__cta:active{transform:scale(.98)}.hero__cta-icon{display:grid;place-items:center;flex-shrink:0;width:3.25rem;height:3.25rem;border-radius:50%;background:var(--grad-brand);color:#fff}.hero__cta-text{flex:1;display:flex;flex-direction:column;min-width:0;line-height:1.25}.hero__cta-kicker{font-size:var(--font-size-xs);font-weight:600;opacity:.75}.hero__cta-title{font-size:var(--font-size-md);font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hero__cta-meta{font-size:var(--font-size-xs);font-weight:700;opacity:.75;flex-shrink:0}.hero__progress{position:relative;z-index:1;display:flex;flex-direction:row;align-items:center;gap:var(--space-lg)}.hero__progress-text{margin:0;font-weight:600;color:var(--color-muted);font-size:var(--font-size-sm);max-width:14ch}@media (min-width: 900px){.hero{grid-template-columns:1fr 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small{font-size:.5em;margin-left:2px;color:var(--color-muted);font-weight:700}.stat__label{font-size:var(--font-size-xs);color:var(--color-muted);font-weight:600}.roadmap__title{margin-bottom:var(--space-lg)}.roadmap__list{list-style:none;padding:0;margin:0;max-width:none;position:relative;display:flex;flex-direction:column;gap:var(--space-md)}.roadmap__item{--c: var(--mod-0);position:relative;margin:0;display:grid;grid-template-columns:2.75rem 1fr;gap:var(--space-md)}.roadmap__item[data-mod="1"]{--c: var(--mod-1)}.roadmap__item[data-mod="2"]{--c: var(--mod-2)}.roadmap__item[data-mod="3"]{--c: var(--mod-3)}.roadmap__item[data-mod="4"]{--c: var(--mod-4)}.roadmap__item:not(:last-child):before{content:"";position:absolute;left:1.35rem;top:2.9rem;bottom:calc(var(--space-md) * -1 - .1rem);width:2px;background:repeating-linear-gradient(to bottom,var(--color-border) 0 6px,transparent 6px 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solid var(--color-border);border-radius:var(--radius-lg)}.block--resumen:before{content:"Lo esencial";display:block;margin-bottom:var(--space-sm);font-family:var(--font-display);font-weight:800;font-size:var(--font-size-lg);letter-spacing:-.02em}.block--resumen ul{list-style:none;padding:0;margin:0}.block--resumen li{position:relative;padding-left:2rem;margin-bottom:var(--space-sm)}.block--resumen li:before{content:"✓";position:absolute;left:0;top:.2em;display:grid;place-items:center;width:1.4rem;height:1.4rem;border-radius:50%;background:var(--color-success);color:var(--color-paper);font-size:.8rem;font-weight:800}.block--masinfo{--accent: var(--color-info);padding:var(--space-md) var(--space-lg);background:var(--color-surface);border:var(--border-width) dashed color-mix(in srgb,var(--accent) 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var(--space-sm);font-size:var(--font-size-xs);font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--c)}.lesson-view__aside-list{list-style:none;padding:0;margin:0;counter-reset:l}.lesson-view__aside-list li{margin:0;counter-increment:l}.lesson-view__aside-link{width:100%;min-height:var(--tap);display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-xs) var(--space-sm);text-align:left;background:transparent;border:none;border-radius:var(--radius-md);font-size:var(--font-size-sm);line-height:1.3;color:var(--color-muted);font-weight:600}.lesson-view__aside-link:before{content:counter(l);flex-shrink:0;display:grid;place-items:center;width:1.6rem;height:1.6rem;border-radius:50%;border:2px solid var(--color-border);font-size:.75rem;font-weight:800}.lesson-view__aside-link:hover{background:var(--color-surface-2);color:var(--color-ink)}.lesson-view__aside-link.is-done:before{content:"✓";background:var(--color-success);border-color:var(--color-success);color:var(--color-paper)}.lesson-view__aside-link.is-current{background:color-mix(in srgb,var(--c) 12%,transparent);color:var(--color-ink);font-weight:750}.lesson-view__aside-link.is-current:before{border-color:var(--c);background:var(--c);color:var(--color-paper)}}.lesson-view--state{display:block;padding-bottom:var(--space-xl);max-width:var(--max-width-text);margin:0 auto}.lesson-view__nav .btn svg{width:20px;height:20px;flex-shrink:0}.lesson-view__nav .lesson-view__nav-btn--prev{border-color:var(--color-muted)}.lesson-view__content h1{font-size:var(--font-size-xl);color:var(--color-muted);margin-top:var(--space-sm)}.tutor-fab{position:fixed;right:var(--gutter);bottom:calc(var(--space-md) + env(safe-area-inset-bottom));z-index:calc(var(--z-bar) + 1);display:inline-flex;align-items:center;gap:.5rem;min-height:3.5rem;min-width:3.5rem;padding:0 1.1rem;background:var(--color-ink);color:var(--color-paper);border:none;border-radius:999px;box-shadow:var(--shadow-md),var(--shadow-glow);font-weight:800;font-size:var(--font-size-sm);transition:transform var(--dur) var(--spring),box-shadow var(--dur) var(--ease)}.tutor-fab:hover{transform:translateY(-3px)}.tutor-fab:active{transform:scale(.97)}.tutor-fab.is-open{background:var(--color-stamp);color:var(--color-on-stamp)}.tutor-fab__label{display:none}.tutor-fab--lesson{bottom:calc(5.75rem + env(safe-area-inset-bottom))}@media (min-width: 640px){.tutor-fab__label{display:inline}}@media (min-width: 1024px){.tutor-fab--lesson{bottom:calc(var(--space-md) + env(safe-area-inset-bottom))}}.tutor{position:fixed;z-index:calc(var(--z-overlay) - 5);top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;background:var(--color-surface);animation:tutor-in .26s var(--ease)}@keyframes tutor-in{0%{opacity:0;transform:translateY(24px)}}@media (min-width: 768px){.tutor{inset:auto var(--gutter) 5.5rem auto;width:26rem;height:min(40rem,calc(100dvh - 7.5rem));border:var(--border-width) solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-md),var(--shadow-glow);overflow:hidden}}@media (min-width: 1024px){.tutor{width:38rem;height:min(52rem,calc(100dvh - 7.5rem))}.msg{max-width:94%}.msg__bubble,.tficha__task,.tficha__goal{font-size:var(--font-size-md)}.tutor__composer textarea{font-size:var(--font-size-md);max-height:12rem}}@media (min-width: 1440px){.tutor{width:44rem;height:min(58rem,calc(100dvh - 7.5rem))}}@media (max-width: 767px){.tutor-fab.is-open{display:none}}.tutor__head{display:flex;align-items:center;justify-content:space-between;gap:var(--space-sm);padding:var(--space-sm) var(--space-sm) 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10%,transparent)}.tutor__off{padding:var(--space-lg);color:var(--color-muted)}.tutor__log{flex:1;overflow-y:auto;padding:var(--space-md);display:flex;flex-direction:column;gap:var(--space-md)}.msg{display:flex;flex-direction:column;gap:var(--space-xs);max-width:92%}.msg--user{align-self:flex-end;align-items:flex-end}.msg--assistant{align-self:flex-start}.msg__bubble{padding:.7rem 1rem;border-radius:1.25rem;font-size:var(--font-size-sm);line-height:1.55}.msg__bubble>:last-child{margin-bottom:0}.msg__bubble p,.msg__bubble ul,.msg__bubble ol{margin-bottom:var(--space-sm);max-width:none}.msg--assistant .msg__bubble{background:var(--color-surface-2);border-bottom-left-radius:.4rem}.msg--user .msg__bubble{background:var(--color-stamp);color:var(--color-on-stamp);border-bottom-right-radius:.4rem}.msg--off .msg__bubble{background:var(--color-warning-bg);color:var(--color-ink);border:var(--border-width) solid var(--color-warning)}.msg__typing{display:inline-flex;gap:.3rem;padding:.9rem 1.1rem}.msg__typing i{width:.5rem;height:.5rem;border-radius:50%;background:var(--color-muted);animation:tutor-dot 1.2s infinite ease-in-out}.msg__typing i:nth-child(2){animation-delay:.15s}.msg__typing i:nth-child(3){animation-delay:.3s}@keyframes tutor-dot{0%,80%,to{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-4px)}}.tutor__error{margin:0;padding:var(--space-sm) var(--space-md);max-width:none;background:var(--color-danger-bg);color:var(--color-danger);border-radius:var(--radius-md);font-size:var(--font-size-sm);font-weight:600}.tutor__code{display:grid;gap:var(--space-xs);padding:var(--space-md);border:var(--border-width) solid var(--color-border);border-radius:var(--radius-md)}.tutor__code label{font-weight:700;font-size:var(--font-size-sm)}.tutor__code input{min-height:var(--tap);padding:0 var(--space-md);border:2px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-paper);color:var(--color-ink);font-size:var(--font-size-sm)}.tutor__chips{list-style:none;display:flex;flex-wrap:wrap;gap:var(--space-xs);padding:0 var(--space-md) var(--space-sm);margin:0;max-width:none}.tutor__chips li{margin:0}.tutor__chips button{min-height:2.75rem;padding:0 var(--space-md);background:var(--color-paper);border:var(--border-width) solid var(--color-border);border-radius:999px;font-size:var(--font-size-sm);font-weight:600}.tutor__chips button:hover{border-color:var(--color-stamp);color:var(--color-stamp)}.tutor__composer{display:flex;align-items:flex-end;gap:var(--space-xs);padding:var(--space-sm) var(--space-md) 0}.tutor__composer textarea{flex:1;min-height:var(--tap);max-height:8rem;resize:none;padding:.75rem 1rem;border:2px solid 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var(--ease)}.tquiz__opt:hover:not(:disabled){border-color:var(--color-stamp)}.tquiz__opt:disabled{cursor:default}.tquiz__letter{flex-shrink:0;display:grid;place-items:center;width:1.75rem;height:1.75rem;border-radius:50%;background:var(--color-surface-2);font-weight:800;font-size:.8125rem}.tquiz__mark{margin-left:auto;flex-shrink:0;font-size:.75rem;font-weight:800;text-transform:uppercase;letter-spacing:.04em}.tquiz__opt.is-right{background:var(--color-success-bg);border-color:var(--color-success);color:var(--color-success)}.tquiz__opt.is-wrong{background:var(--color-danger-bg);border-color:var(--color-danger);color:var(--color-danger)}.tquiz__fb{margin:var(--space-sm) 0 0;max-width:none;padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);font-size:var(--font-size-sm)}.tquiz__fb.is-right{background:var(--color-success-bg)}.tquiz__fb.is-wrong{background:var(--color-warning-bg)}:root[data-focus=true] .tutor-fab:not(.is-open){opacity:.55}:root[data-focus=true] .tutor-fab:hover,:root[data-focus=true] .tutor-fab:focus-visible{opacity:1}.tficha{margin:0 0 var(--space-md);padding:var(--space-md);background:var(--color-surface);border:2px solid var(--color-stamp);border-radius:var(--radius-md)}.tficha__tag{margin:0 0 var(--space-xs);font-size:var(--font-size-xs);font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--color-stamp)}.tficha__task{margin:0 0 var(--space-xs);white-space:pre-line;overflow-wrap:anywhere;font-size:var(--font-size-sm);line-height:1.5}.tficha__goal{margin:0 0 var(--space-sm);font-size:var(--font-size-sm);color:var(--color-muted)}.tficha__back{min-height:var(--tap);padding:0 var(--space-md);font:inherit;font-size:var(--font-size-sm);font-weight:600;color:var(--color-stamp);background:transparent;border:2px solid var(--color-stamp);border-radius:var(--radius-md);cursor:pointer}.tficha__back:disabled{opacity:.55;cursor:default}.tficha__actions{display:flex;flex-wrap:wrap;gap:var(--space-xs)}.verdict{display:inline-flex;align-items:center;gap:var(--space-xs);margin:0 0 var(--space-xs);padding:.25rem .75rem;font-size:var(--font-size-sm);font-weight:700;border:2px solid currentColor;border-radius:999px}.verdict--correcta{color:var(--color-success);background:var(--color-success-bg)}.verdict--parcial{color:var(--color-warning);background:var(--color-warning-bg)}.verdict--incorrecta{color:var(--color-danger);background:var(--color-danger-bg)}.tutor__send-text{flex-shrink:0;align-self:stretch;min-height:var(--tap)}.tutor__ai{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-sm);padding:var(--space-xs) var(--space-md);border-bottom:1px solid var(--color-border)}.tutor__ai label{display:grid;gap:.2rem;min-width:0;font-size:var(--font-size-xs);color:var(--color-muted)}.tutor__ai select{min-height:2.75rem;min-width:0;padding:0 var(--space-sm);border:1px solid var(--color-border);border-radius:var(--radius-sm, .5rem);background:var(--color-surface);color:inherit;font:inherit}.tutor__ai select:focus-visible{outline:2px solid var(--color-stamp);outline-offset:1px}.enrollment-page{width:min(100% - 2rem,46rem);margin:clamp(2rem,7vh,5rem) auto;padding:clamp(1.25rem,4vw,2.5rem);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:color-mix(in srgb,var(--color-surface) 94%,transparent);box-shadow:var(--shadow-md)}.enrollment-page 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p{margin:0;color:var(--color-muted);font-size:var(--font-size-sm);line-height:1.55}.enrollment-error{color:var(--color-danger, #b3261e);font-weight:700}.enrollment-back{margin-top:var(--space-md)}.paypal-checkout{margin-top:var(--space-xl)}.paypal-checkout>div{margin-top:var(--space-md);min-height:48px}.saved-keys{margin:var(--space-xl) 0}.saved-keys>p{margin-bottom:var(--space-sm);font-weight:700}.saved-key{display:flex;align-items:center;justify-content:space-between;gap:var(--space-md);padding:var(--space-sm) 0;border-top:1px solid var(--color-border)}.saved-key .btn{min-height:44px}.enrollment-loading{margin:auto;padding:2rem;text-align:center}@media (max-width: 520px){.saved-key{align-items:flex-start;flex-direction:column}}.enrollment-account{display:none;max-width:16rem;overflow:hidden;color:var(--color-muted);font-size:var(--font-size-sm);text-overflow:ellipsis;white-space:nowrap}@media (min-width: 720px){.enrollment-account{display:inline}}.enrollment-option{cursor:pointer}.enrollment-option:focus-visible{outline:3px solid var(--color-stamp);outline-offset:2px}.enrollment-option .enrollment-option__badge{justify-self:start;padding:.15rem .7rem;border-radius:999px;background:color-mix(in srgb,var(--color-stamp) 14%,transparent);color:var(--color-stamp);font-size:var(--font-size-xs);font-weight:800;letter-spacing:.04em;text-transform:uppercase}.enrollment-option .enrollment-option__badge--paid{background:var(--color-stamp);color:#fff}.pay-summary{display:grid;gap:var(--space-md);margin:var(--space-lg) 0;padding:var(--space-lg);border:2px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface)}.pay-summary__price{display:flex;flex-wrap:wrap;align-items:baseline;gap:var(--space-sm)}.pay-summary__price strong{font-family:var(--font-display);font-size:2.5rem;line-height:1;letter-spacing:-.03em}.pay-summary__price span{color:var(--color-muted);font-size:var(--font-size-sm)}.pay-summary__list{display:grid;gap:var(--space-xs);margin:0;padding:0;list-style:none}.pay-summary__list li{position:relative;padding-left:1.6rem;line-height:1.5}.pay-summary__list li:before{content:"✓";position:absolute;left:0;color:var(--color-stamp);font-weight:800}.paypal-checkout__buttons{width:100%;max-width:26rem;margin-inline:auto}.paypal-checkout__status{display:grid;place-items:center;min-height:3.5rem;margin-bottom:var(--space-sm)!important;border:1px dashed var(--color-border);border-radius:999px;color:var(--color-muted);font-weight:650}.paypal-checkout__note{margin-top:var(--space-md)!important;text-align:center}.redeem-prompt{margin-top:var(--space-xl);text-align:center}.redeem-prompt__link{padding:0;border:0;background:none;color:inherit;font:inherit;font-weight:700;text-decoration:underline;cursor:pointer}.redeem-section{margin-top:var(--space-xl);padding-top:var(--space-lg);border-top:1px solid 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