:root{--blue:#2e3192;--sky:#00b0f0;--paper:#f8f8fb;--ink:#232442;--line:#ddddeb;--muted:#63647a}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:160px}body{margin:0;font-family:"Century Gothic",CenturyGothic,Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.6}header{height:84px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 5vw;font-size:14px}.brand{font-weight:700;font-size:26px;color:var(--blue);letter-spacing:2px;text-decoration:none}.brand span{font-size:11px;letter-spacing:1px;border-left:1px solid var(--line);margin-left:15px;padding-left:15px}h1,h2,p{margin-top:0}h1{font-size:clamp(30px,4.3vw,58px);line-height:1.12;letter-spacing:-1.5px;font-weight:500}h2{font-size:24px;line-height:1.3;font-weight:500}.eyebrow{font-size:11px;font-weight:700;letter-spacing:2px;color:var(--blue);margin-bottom:18px}.entry{max-width:1180px;margin:9vh auto;display:grid;grid-template-columns:1.15fr 1fr;gap:8vw;padding:0 28px}.intro{padding:24px 0}.intro p:not(.eyebrow){max-width:470px;font-size:18px;color:var(--muted)}.rule{border-left:3px solid var(--sky);padding-left:24px;margin-top:42px;color:var(--blue);font-size:19px}.card{background:white;border:1px solid var(--line);padding:28px;margin-bottom:22px;border-radius:12px}.entry .card{padding:36px}label{display:block;font-size:15px;font-weight:700;margin-bottom:22px}input,textarea,select{display:block;font:inherit;font-weight:400;width:100%;padding:12px;border:1px solid #bcbdd0;border-radius:7px;background:white;color:var(--ink);margin-top:8px}textarea{resize:vertical;min-height:72px}textarea[readonly]{background:#f8f8fb}input:focus,textarea:focus,select:focus{outline:3px solid #00b0f033;border-color:var(--blue)}button{font:inherit;font-size:14px;font-weight:700;background:var(--blue);color:white;border:1px solid var(--blue);border-radius:7px;padding:12px 20px;cursor:pointer;min-height:44px}button:disabled{opacity:.55;cursor:wait}button:focus-visible,a:focus-visible{outline:3px solid var(--sky);outline-offset:3px}button.secondary{color:var(--blue);background:white}.small{font-size:12px;padding:8px 12px}.hint{font-size:13px;font-weight:400;color:var(--muted);display:block}.entry button{width:100%;margin-top:22px}.entry button span{float:right}summary{cursor:pointer;font-size:14px;color:var(--blue)}#login-error,#notice{color:#922c26}#notice:empty{display:none}.toolbar{position:sticky;top:0;z-index:3;background:var(--blue);color:white;display:flex;align-items:center;gap:12px;padding:10px 5vw;flex-wrap:wrap}.toolbar>span:first-child{margin-right:auto}.toolbar button{border-color:#797bd0}#save-status{font-size:12px}nav{position:sticky;top:65px;z-index:2;background:white;border-bottom:1px solid var(--line);padding:14px 5vw;display:flex;gap:24px;flex-wrap:wrap}nav a{font-size:14px;text-decoration:none;color:var(--blue)}nav span{margin-left:auto;font-size:12px;color:var(--muted)}.work{max-width:1040px;margin:36px auto;padding:0 24px}.activity{margin-bottom:64px}.activity h1,#docente h1{font-size:36px}.section-heading{display:flex;justify-content:space-between;gap:24px;align-items:center}.section-heading button{flex-shrink:0}.stage-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 22px}.stage-grid label:last-child{grid-column:1/-1}.step{display:inline-flex;background:#eeeffb;width:34px;height:34px;align-items:center;justify-content:center;margin-right:14px;border-radius:50%;color:var(--blue);font-size:16px}.consent{display:flex;align-items:center;gap:12px;margin-bottom:5px}.consent input{width:20px;height:20px;flex-shrink:0;margin:0}.conflict{background:#fff4e6;border:1px solid #d8a35e;border-radius:8px;padding:16px;margin:10px 0}.conflict pre,.answer{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;font-size:14px}.conflict button{margin:8px 8px 0 0}.answer{margin:12px 0;border-left:2px solid var(--line);padding-left:14px}.teacher-team summary{font-size:20px}.teacher-team select{max-width:460px;margin-bottom:12px}.teacher-team .answers{margin-top:20px}#sync-status{min-height:20px}@media(max-width:700px){header{height:68px}header>span{display:none}.entry{grid-template-columns:1fr;gap:18px;margin:24px auto;padding:0 18px}.intro{padding:0}.intro h1{max-width:380px}.rule{margin-top:22px}.entry .card,.card{padding:22px}.toolbar{gap:8px;padding:10px 16px}.toolbar>span:first-child{width:100%}nav{position:static;padding:12px 16px;gap:16px}.work{padding:0 16px}.section-heading{display:block}.section-heading button{margin-bottom:18px}.stage-grid{display:block}.brand{font-size:23px}.brand span{margin-left:10px;padding-left:10px}html{scroll-padding-top:170px}}
#login select{margin-top:-12px;margin-bottom:26px;min-height:52px}#login #pin{font-size:26px;letter-spacing:6px;margin-top:-12px}#login #pin::placeholder{font-size:17px;letter-spacing:1px}.login-switch{display:block;text-align:center;margin-top:20px;color:var(--blue);font-size:14px;padding:10px}.login-help{margin-top:20px;margin-bottom:0}#login-error:not(:empty){background:#fff1ef;padding:14px;border-radius:7px}
@media(max-width:700px){.entry>.card{grid-row:1}.entry .intro{padding:12px 8px}.entry .intro .rule{display:none}.entry .intro h1{font-size:28px}.entry .intro p:not(.eyebrow){font-size:15px}}
[hidden]{display:none!important}.module-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:28px 0 44px}.module-card{position:relative;border:1px solid var(--line);border-radius:14px;background:white;padding:28px;display:flex;flex-direction:column;align-items:flex-start}.module-card h2{margin-bottom:12px;padding-right:30px}.module-card>p:not(.eyebrow):not(.module-badge):not(.hint){font-size:15px;color:var(--muted);flex:1}.module-number{position:absolute;right:24px;top:22px;color:#ccccdf;font-size:24px}.module-card .eyebrow{margin-bottom:14px}.module-badge{font-size:12px;border-radius:20px;background:#eeeffb;color:var(--blue);padding:5px 11px;margin:4px 0 14px;font-weight:700}.module-card.is-locked{background:#f0f0f6}.module-card.is-locked h2{color:var(--muted)}.module-card.is-current{border:2px solid var(--blue);padding:27px}.module-card.is-current .module-badge{background:var(--blue);color:white}.module-link{display:inline-block;color:var(--blue);font-size:15px;font-weight:700;text-decoration:none;padding:10px 0}.module-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}.module-actions button{padding:10px 14px}.class-banner{border-left:4px solid var(--sky);padding:20px 24px;background:#eeeffb;border-radius:8px;display:flex;align-items:center;justify-content:space-between;gap:20px}.class-banner a{color:var(--blue);font-weight:700;font-size:14px;flex-shrink:0}.back-to-hub{color:var(--blue);font-weight:700;display:inline-block;padding:16px 0}.admin-section{margin-top:56px}.consultations{list-style:none;padding:0}.consultations li{padding:14px 0;border-bottom:1px solid var(--line)}.consultations li:last-child{border:0}.prompt{font:inherit;font-size:13px;white-space:pre-wrap;background:var(--paper);padding:18px;border-radius:8px}.activity details p{margin-top:16px}#exercise-hub h1,#docente h1{font-size:42px}@media(max-width:700px){.module-grid{grid-template-columns:1fr;gap:16px}.module-card{padding:24px}.class-banner{display:block}.class-banner a{display:block;margin-top:12px}#exercise-hub h1,#docente h1{font-size:32px}}

.exercise-progress{margin:24px 0;background:var(--paper);padding:12px 0;z-index:1}.exercise-steps{display:flex;gap:12px;flex-wrap:wrap;list-style:none;padding:0;margin:0 0 8px}.exercise-steps button{display:flex;align-items:center;gap:10px;text-align:left;background:#eeeffb;color:var(--blue);border:1px solid transparent;border-radius:28px;padding:8px 18px;line-height:1.3}.exercise-steps button:disabled{cursor:default;opacity:.6}.step-marker{display:grid;place-items:center;flex-shrink:0;width:26px;height:26px;border-radius:50%;background:white;font-size:13px}.step-status{display:block;font-size:11px;font-weight:400;margin-top:3px}.exercise-steps .is-done button{background:#def2e8;color:#215d43}.exercise-steps button[aria-current="step"]{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue)}.exercise-steps button[aria-current="step"] .step-marker{background:var(--blue);color:white}#exercise-progress-count{margin:0 12px}
@media(min-width:701px){#workspace>nav{top:var(--toolbar-height,65px)}.exercise-progress{position:sticky;top:var(--steps-top,115px);border-bottom:1px solid var(--line);box-shadow:0 8px 12px -12px #23244277}html{scroll-padding-top:calc(var(--steps-top,115px) + var(--steps-height,98px) + 20px)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.baseline{margin-bottom:24px;border-left:3px solid var(--sky);padding:12px 18px}#ai-prompt{font-size:14px}#manual-phase.is-confirmed{border-left:3px solid #84b29b;padding-left:16px}[data-manual-count]{margin-top:14px}
.exercise-consigna{max-width:800px;margin:0 0 16px;color:var(--muted);font-size:16px}.exercise-consigna>.eyebrow{display:block;margin:16px 0 6px;font-size:10px}#exercise-title:focus{outline:none}body.intro-open{overflow:hidden}
#exercise-intro{position:fixed;inset:0;width:100%;height:100dvh;max-width:none;max-height:none;margin:0;padding:0;border:0;color:var(--ink);background:radial-gradient(ellipse at 95% 0%,#e9eafa 0,transparent 52%),#fdfdff;overflow:auto}#exercise-intro::backdrop{background:#fdfdff}.intro-shell{max-width:1280px;min-height:100%;margin:0 auto;padding:36px 64px;display:flex;flex-direction:column}.intro-topline{display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line);padding-bottom:24px}.intro-brand{color:var(--blue);font-size:21px;letter-spacing:2px;font-weight:700}.intro-brand>span{font-size:10px;letter-spacing:1px;margin-left:14px;font-weight:400}.intro-topline>a{color:var(--muted);font-size:13px;text-decoration:none;padding:10px 0}.intro-main{flex:1;display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:90px;padding:54px 0}.intro-copy .eyebrow{font-size:11px;margin-bottom:26px}.intro-dot{padding:0 8px;color:#a2a3bf}#intro-title{font-size:clamp(42px,5.5vw,78px);line-height:1.04;letter-spacing:-3px;margin:0 0 30px;font-weight:500;outline:none}.intro-title-dot{color:var(--sky)}#intro-instruction{font-size:19px;line-height:1.65;margin:0 0 22px;max-width:540px}.intro-outcome{font-size:14px;color:var(--muted);border-left:2px solid var(--sky);padding-left:16px;max-width:460px;margin:0}.intro-route{list-style:none;margin:0;padding:0}.intro-route>li{display:flex;gap:20px;padding:26px 0;border-bottom:1px solid var(--line)}.intro-route>li:first-child{padding-top:0}.intro-route>li:last-child{border:0;padding-bottom:0}.intro-route>li>span{font-size:12px;letter-spacing:1px;color:var(--blue);padding-top:4px}.intro-route h2{font-size:21px;margin:0 0 9px;font-weight:500}.intro-route p{font-size:14px;line-height:1.7;color:var(--muted);margin:0}.intro-bottom{display:flex;justify-content:space-between;align-items:center;gap:40px;border-top:1px solid var(--line);padding-top:26px}.intro-bottom>p{max-width:460px;font-size:13px;color:var(--muted);margin:0}.intro-bottom>p>span{display:block;margin-top:4px}#begin-exercise{font-size:17px;font-weight:500;border-radius:32px;min-width:230px;padding:16px 28px;display:flex;align-items:center;justify-content:space-between;gap:40px}#begin-exercise>span{font-size:24px;line-height:1}#intro-error:empty{display:none}#intro-error{font-size:13px;color:#922c26;max-width:340px;margin:12px 0 0}
@media(min-width:701px) and (prefers-reduced-motion:no-preference){#exercise-intro[open] .intro-main{animation:intro-appear .25s ease-out}@keyframes intro-appear{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}}
@media(max-width:900px){.intro-shell{padding:28px 32px}.intro-main{gap:40px;padding:40px 0}.intro-brand>span{display:none}#intro-title{font-size:52px}.intro-bottom{gap:24px}}
@media(max-width:700px){.intro-shell{padding:20px 24px}.intro-topline{padding-bottom:16px}.intro-main{grid-template-columns:1fr;gap:30px;padding:32px 0}.intro-copy .eyebrow{margin-bottom:18px}#intro-title{font-size:44px;letter-spacing:-2px;margin-bottom:20px}#intro-instruction{font-size:17px}.intro-outcome{font-size:13px}.intro-route>li{padding:18px 0}.intro-route h2{font-size:18px}.intro-route p{font-size:13px}.intro-bottom{flex-direction:column;align-items:stretch;gap:18px;padding-top:22px}#begin-exercise{width:100%}.intro-bottom>p{font-size:12px}}

.validation-summary{background:#fff1ef;border-left:3px solid #a53229;border-radius:6px;color:#922c26;padding:14px 16px;font-size:14px;margin:16px 0}.field-error{display:block;color:#a53229;font-size:13px;font-weight:400;margin:8px 0 0}[data-field][aria-invalid="true"]{border:2px solid #b44036;background:#fffafa}[data-field][aria-invalid="true"]:focus{outline:3px solid #b4403622}.validation-summary:focus{outline:2px solid #b44036;outline-offset:3px}

#classroom-progress{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:28px}.progress-team{margin:0;padding:22px}.progress-team h2{font-size:20px}.progress-line{padding:10px 0;border-top:1px solid var(--line);font-size:12px}.progress-line strong,.progress-line span{display:block}.progress-line span{color:var(--muted);margin-top:4px}.progress-line.is-current{border-left:3px solid var(--sky);padding-left:10px}.progress-line.is-complete span{color:#215d43}.summary-page{max-width:1280px}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13px;table-layout:fixed}th,td{border:1px solid var(--line);padding:12px;vertical-align:top;overflow-wrap:anywhere;white-space:pre-wrap}th{background:#eeeffb;text-align:left}.blank-template td{height:58px}.summary-page .module-actions{margin-bottom:24px}.classroom-screen{max-width:1280px}@media(max-width:700px){#classroom-progress{grid-template-columns:1fr}.table-scroll table{min-width:800px}}@media print{header,.no-print,body>script{display:none!important}.work{max-width:none;margin:0;padding:0}.card{break-inside:avoid;border:0;padding:8px 0}.table-scroll{overflow:visible}table{min-width:0!important;font-size:10px}th,td{padding:6px}body{background:white}.blank-template td{height:45px}a{color:inherit}}