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1fr;gap:5px;padding:10px 0;border-top:1px solid var(--line);font-size:10px}.demo-row span{font-family:ui-monospace,monospace;overflow-wrap:anywhere}.demo-row small{font-size:9px;color:var(--muted);grid-column:2}dialog{border:1px solid var(--line);border-radius:12px;background:var(--paper);padding:32px;max-width:520px;box-shadow:0 20px 80px #152e2955;color:var(--ink)}dialog::backdrop{background:#172c29a6}dialog p{font-size:13px;line-height:1.8}dialog h2{font-size:25px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:fixed;top:-60px;left:20px;background:var(--ink);color:white;padding:10px;z-index:100}.skip:focus{top:10px}[hidden]{display:none!important}html{scroll-behavior:smooth;scroll-padding-top:25px}summary{cursor:pointer}img{max-width:100%}@media(min-width:1600px){main{padding-top:50px}.hero-panel{min-height:290px}.hero-panel h2{font-size:40px}.hero-lines{font-size:160px;right:20px}.dashboard-grid{grid-template-columns:2.8fr 1fr}}
@media(max-width:1200px){.sidebar{width:205px;padding:28px 19px}.page-shell{margin-left:205px}main{padding:30px 28px}.topbar,.footer{padding-left:28px;padding-right:28px}.brand{font-size:17px}.editor-layout,.content-layout{grid-template-columns:minmax(0,1fr) 230px;gap:18px}.process-card{padding:21px 18px}.paper{padding:23px}.stat-grid{gap:10px}.stat-grid>article{padding:19px}.hero-panel{padding:28px}.login-layout{gap:40px}.login-card{padding:29px}.review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:980px){.sidebar{width:180px;padding:25px 14px}.page-shell{margin-left:180px}.brand{font-size:14px;gap:8px}.brand small{font-size:8px}.brand-mark{width:32px;height:37px;font-size:29px}.nav-link{font-size:11px;padding:8px 11px}.workspace-label{font-size:8px;letter-spacing:1px}main{padding:28px 24px}.topbar{padding:0 24px}.dashboard-grid{grid-template-columns:1fr}.hero-panel{min-height:240px}.progress-card{display:none}.editor-layout,.content-layout{grid-template-columns:1fr}.sticky-column{position:static;display:grid;grid-template-columns:1fr 1fr;gap:22px}.process-card{margin-bottom:22px}.quiet-card{padding:22px}.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.unit-grid{grid-template-columns:1fr}.page-heading{align-items:flex-start}.page-heading>.pill{display:none}.login-layout{gap:28px}.login-story>h1{font-size:44px}.story-art{height:260px;transform:scale(.86);transform-origin:left top}.story-facts{margin-top:-12px}.login-card{padding:25px}.guest main{padding:35px 25px}.two-columns{grid-template-columns:1fr}.review-grid{grid-template-columns:1fr}.footer span{display:none}.topbar-right{font-size:9px}.topbar>div:first-child{font-size:8px}}
@media(max-width:700px){.sidebar{position:static;width:100%;height:auto;display:block;padding:17px 20px;border-right:0;border-bottom:1px solid var(--line)}.sidebar .brand{font-size:18px}.sidebar .brand-mark{width:32px;height:34px}.sidebar .brand small{display:none}.workspace-label,.sidebar-bottom{display:none}.sidebar nav{display:flex;flex-wrap:wrap;gap:4px;margin-top:13px}.nav-link{margin:0;font-size:10px;padding:6px 10px;min-height:34px}.nav-link>span{display:none}.page-shell{margin-left:0}.topbar{height:45px;padding:0 20px}.topbar>div:first-child{font-size:7px;letter-spacing:.8px}.topbar-right{font-size:8px}main{padding:28px 18px 36px}.page-heading{display:block;margin-bottom:25px}.page-heading>.button{margin-top:20px}.page-heading h1{font-size:33px}.page-heading .eyebrow{font-size:8px}.page-heading p{font-size:12px}.hero-panel{padding:26px;min-height:264px}.hero-panel h2{font-size:31px}.hero-panel p{max-width:75%;font-size:11px}.hero-lines{right:-10px;top:62px;font-size:110px}.activity-row{padding:20px 18px;gap:10px;flex-wrap:wrap}.activity-row h3{font-size:15px}.activity-row .pill{margin-left:43px}.activity-number{width:30px;font-size:19px}.row-arrow{margin-left:auto}.activity-row>div{min-width:calc(100% - 48px)}.bottom-note{align-items:flex-start;flex-wrap:wrap;gap:13px}.bottom-note>span{font-size:25px}.bottom-note>div{min-width:80%}.bottom-note>a{margin-left:38px}.section-heading h2{font-size:18px}.sticky-column{display:block}.paper{padding:21px}.question-heading{padding:21px 18px}.question-card textarea{padding:22px 20px;font-size:16px}.editor-footer{padding:10px 15px;gap:10px;font-size:8px}.stat-grid>article{padding:17px}.stat-grid>article>span{font-size:10px}.stat-grid>article>strong{font-size:35px}.stat-grid>article>small{font-size:9px}.tabs-links{gap:20px;font-size:11px;overflow:auto}.footer{padding:16px 20px}.guest .topbar{height:75px;padding:20px}.guest main{padding:28px 20px}.login-layout{display:block;padding:0}.login-story .eyebrow{font-size:8px}.login-story>h1{font-size:43px}.login-story>p{font-size:12px;margin-bottom:25px}.story-art,.story-facts{display:none}.login-card{padding:25px}.login-card h2{font-size:24px}.login-story{margin-bottom:30px}.unit-art{height:180px}.unit-art>strong{font-size:110px;top:25px}.unit-card-body{padding:23px}.version>summary{flex-wrap:wrap}.table-wrap td,.table-wrap th{padding:13px 16px}.button{min-height:44px}.button-row>.button{width:100%}.empty-state{padding:30px 20px}dialog{margin:auto 15px;padding:25px;width:calc(100% - 30px)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}@media print{.sidebar,.topbar,.footer,.sticky-column,button,.tabs-links,.breadcrumb{display:none!important}.page-shell{margin:0}body{background:white}main{padding:0}.content-layout,.editor-layout{display:block}.paper,.question-card{break-inside:avoid;box-shadow:none}.prose img{max-height:95vh;object-fit:contain}.page-heading h1{font-size:28px}}
.fill-table{padding:0 26px 26px}.fill-table label{font-size:12px;font-weight:500;margin-top:16px}.fill-table input{background:#fffefa;font-size:15px}.reset-control{margin-top:10px;font-size:10px;max-width:280px}.reset-control>form{min-width:200px}.reset-control summary{color:var(--muted)}

/* Unidaes consecutives, imáxenes adaptaes y controles del profesoráu. */
.unit-stack{display:flex;flex-direction:column;gap:22px}.student-unit{display:flex;align-items:center;gap:28px;padding:32px;background:var(--paper);border:1px solid var(--line);border-radius:12px}.unit-stack-number{font-family:Georgia,serif;font-size:68px;line-height:1;color:#92a698}.student-unit-copy{flex:1;min-width:0}.student-unit-copy h2{font-size:28px;margin:0 0 10px}.student-unit-copy .eyebrow{margin-bottom:9px}.student-unit-copy p{color:var(--muted);margin-bottom:10px}.student-unit .button{flex-shrink:0}.unit-management-row{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:12px 0}.material-visibility{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:0 0 20px}.prose img{display:block;max-width:100%;height:auto;margin:20px auto}.prose figure{margin:24px 0}.prose figcaption{font-size:12px;color:var(--muted);text-align:center}.prose{overflow-wrap:anywhere;overflow-x:auto}.prose h4,.prose h5{font-size:18px;margin-top:24px}.prose blockquote{border-left:3px solid var(--orange);padding:8px 20px;margin:20px 0;background:var(--paper)}
@media(max-width:700px){.student-unit{align-items:flex-start;flex-wrap:wrap;padding:23px;gap:17px}.unit-stack-number{font-size:43px}.student-unit-copy{flex-basis:calc(100% - 75px)}.student-unit-copy h2{font-size:23px}.student-unit .button{width:100%}.unit-management-row{flex-wrap:wrap}}