[hidden]{display:none!important}:root{--ink:#17211e;--muted:#64706c;--paper:#f6f3ec;--card:#fff;--green:#173f35;--mint:#dcebe3;--gold:#dfa947;--red:#a43a3a;--line:#d8ded9;--shadow:0 18px 50px #173f3517;font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 85% 0,#d7e8df 0,transparent 27rem),var(--paper)}header{min-height:72px;padding:12px max(20px,calc((100vw - 1180px)/2));display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #d8ded988;background:#f6f3ecdf;backdrop-filter:blur(12px);position:sticky;top:0;z-index:5}.brand{display:flex;gap:12px;align-items:center}.brand small{display:block;color:var(--muted);margin-top:2px}.mark{display:grid;place-items:center;width:44px;height:44px;border-radius:13px;background:var(--green);color:white;font:700 22px Georgia}main{max-width:1180px;margin:auto;padding:34px 20px 70px}.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:var(--shadow)}.login{max-width:520px;margin:6vh auto}.demo-access{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0}.demo-access p{flex-basis:100%;margin:0}.demo-access button{flex:1 1 145px}.login-error{min-height:1.5em;color:#9b2c2c;font-weight:700}.login button:disabled{opacity:.65;cursor:wait}.login h1{font:700 clamp(2rem,6vw,3.7rem)/1.02 Georgia;margin:.3em 0}.eyebrow{color:#9b6a13;font-weight:800;letter-spacing:.14em}label{display:grid;gap:7px;font-weight:650;margin:14px 0}input,textarea,select{font:inherit;padding:13px;border:1px solid #b9c3bd;border-radius:11px;background:#fff;width:100%}textarea{min-height:90px;resize:vertical}button,.button{font:700 15px inherit;border:0;border-radius:11px;padding:12px 17px;background:var(--green);color:#fff;cursor:pointer;display:inline-block;text-decoration:none}.secondary{background:var(--mint);color:var(--green)}.danger{background:var(--red)}button:focus,input:focus,textarea:focus,select:focus,a:focus{outline:3px solid #e9b34f;outline-offset:2px}.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;z-index:20}.topline,.module-tabs,.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.topline{justify-content:space-between;margin-bottom:24px}.module-pill,.status{padding:7px 11px;border-radius:999px;background:var(--mint);font-weight:750;font-size:13px}.module-pill.tcu{background:#eee1ef;color:#602c68}.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}.span8{grid-column:span 8}.span4{grid-column:span 4}.span6{grid-column:span 6}h1,h2,h3{font-family:Georgia,serif;margin-top:0}h2{font-size:1.7rem}.muted{color:var(--muted)}.steps{display:flex;gap:5px;margin:18px 0;overflow:auto}.step{white-space:nowrap;padding:8px 11px;background:#edf1ed;border-radius:8px;font-size:13px}.step.active{background:var(--gold);color:#2d2109}.checks{padding-left:20px}.checks li{margin:9px 0}.limits{width:100%;border-collapse:collapse}.limits td{padding:9px;border-bottom:1px solid var(--line)}.limits td:last-child{text-align:right;font-weight:800}.record-row{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:10px}.sync{font-size:13px;color:var(--muted)}.submission{border-left:5px solid var(--gold);margin:12px 0;padding:14px;background:#faf8f2;border-radius:8px}.private{background:#fff3d8;border:1px solid #edcb84;padding:10px;border-radius:10px}.empty{padding:30px;text-align:center;color:var(--muted)}#toast{position:fixed;right:20px;bottom:20px;background:#16251f;color:white;padding:12px 18px;border-radius:10px;opacity:0;transform:translateY(10px);transition:.2s}#toast.show{opacity:1;transform:none}@media(max-width:760px){header{position:static}.span8,.span4,.span6{grid-column:1/-1}.record-row{grid-template-columns:1fr 1fr}.brand small{display:none}.card{padding:18px}.login{margin:1vh auto}}@media(max-width:440px){.record-row{grid-template-columns:1fr}.actions button{width:100%}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.span12{grid-column:1/-1}.access-card{text-align:center;margin-top:16px}.access-card svg,.access-card canvas{width:min(100%,320px);height:auto;background:white;border:12px solid white}.card-pin{font-size:2rem;letter-spacing:.25em}.access-card .actions{justify-content:center}@media print{body *{visibility:hidden}.access-card,.access-card *{visibility:visible}.access-card{position:absolute;inset:0;margin:0;border:0;background:white}.no-print{display:none!important}}

.materials{display:grid;gap:10px;margin:16px 0}.material-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 14px;border:1px solid var(--line);border-radius:13px;background:#f9fbf9}.material-row>div{display:grid;gap:3px;min-width:0}.material-row strong{overflow-wrap:anywhere}.material-row small{color:var(--muted)}.resource-type{font-size:11px;font-weight:850;letter-spacing:.1em;color:#8b5d0b}.viewer-shell{position:fixed;inset:72px 0 0;background:#eef1ed;z-index:4;display:grid;grid-template-rows:auto 1fr}.viewer-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px;background:white;border-bottom:1px solid var(--line)}.viewer-bar>div:nth-child(2){display:grid;gap:2px;text-align:center}.viewer-actions{display:flex;gap:8px}.original-link{background:#59635f}.document-frame{border:0;width:100%;height:100%;background:#fff;color:var(--ink)}.slide-stage{position:relative;min-height:0;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:18px;padding:20px;background:#17211e}.slide-stage img{width:100%;height:100%;min-height:0;object-fit:contain}.slide-arrow{font-size:3rem;line-height:1;width:54px;height:70px;padding:0;background:#ffffff20}.slide-arrow:disabled{opacity:.25}.slide-counter{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);padding:7px 12px;border-radius:999px;background:#000a;color:white;font-weight:750}.presenting header{display:none}.presenting main{max-width:none;padding:0}.presenting .viewer-shell{inset:0}.presenting .viewer-bar{position:absolute;top:10px;left:10px;right:10px;z-index:2;background:#ffffffe8;border:0;border-radius:14px;opacity:.12;transition:opacity .2s}.presenting .viewer-bar:hover,.presenting .viewer-bar:focus-within{opacity:1}@media(max-width:760px){.viewer-shell{inset:0;position:fixed}.viewer-bar{align-items:stretch;flex-direction:column}.viewer-bar>div:nth-child(2){text-align:left}.viewer-actions{width:100%}.viewer-actions>*{flex:1;text-align:center}.material-row{align-items:stretch;flex-direction:column}.material-row button{width:100%}.slide-stage{grid-template-columns:44px minmax(0,1fr) 44px;gap:6px;padding:8px}.slide-arrow{width:44px;height:58px}.presenting .viewer-bar{opacity:0}.presenting .viewer-bar:focus-within{opacity:1}}
.complement-resource{background:#f4f0f7;border-color:#ded1e5}.complement-resource .resource-type{color:#6a3d76}.media-stage{min-height:0;display:grid;place-items:center;padding:20px;background:#17211e}.media-player,.image-stage img{display:block;max-width:100%;max-height:100%;width:auto;height:auto}.media-player{width:min(100%,1200px)}
.material-actions{display:flex!important;gap:8px;align-items:center;flex:0 0 auto}.download-link{background:#8b5d0b}.preview-badge{padding:8px 12px;border-radius:999px;background:#fff3d8;color:#704700;font-weight:850;letter-spacing:.08em;font-size:12px}@media(max-width:760px){.material-actions{width:100%}.material-actions>*{flex:1;text-align:center}}

/* Controles táctiles y lectura sencilla para oferta modular diferenciada. */
button,.button{font-family:inherit;font-size:17px;min-height:48px}.module-pill.tcu{background:#f6e0df;color:#8c2925}.today-card button{width:100%;font-size:20px;min-height:60px}.class-instructions{white-space:pre-wrap;font-size:19px;line-height:1.6}.unit-library{margin-top:24px}.unit-library summary{cursor:pointer;padding:12px;font-size:19px;font-weight:700;min-height:48px}.unit-library>.grid{margin-top:20px}@media(max-width:440px){header{flex-wrap:wrap;gap:12px}.brand img{max-width:90px}.topline h1{font-size:2rem}}

.evidence-photo{display:block;max-width:100%;height:auto;max-height:75vh;object-fit:contain;border:1px solid var(--line);border-radius:12px}

.record-choice{display:flex;gap:12px;align-items:center;font-weight:500}.record-choice input{width:24px;height:24px;flex:none}.permission-row{display:grid;gap:9px;padding:16px 0;border-bottom:1px solid var(--line)}.permission-row:last-child{border-bottom:0}.permission-row>small{display:block;color:var(--muted);overflow-wrap:anywhere}.permission-row .record-choice{margin:0}fieldset{border:1px solid var(--line);border-radius:12px;margin:20px 0}

.canonical-record{margin:20px 0;padding:18px;box-shadow:none}.canonical-record>summary,.record-data-row>summary{cursor:pointer;font-size:19px;font-weight:700;padding:12px;min-height:48px}.record-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.record-fields label{min-width:0}.record-data-row{border:1px solid var(--line);border-radius:12px;margin:12px 0;padding:8px}.record-fields span{font-weight:500;color:var(--muted)}@media(max-width:760px){.record-fields{grid-template-columns:1fr}}

.table-scroll{max-width:100%;overflow-x:auto;margin:18px 0}.table-scroll th,.table-scroll td{text-align:left;min-width:140px;vertical-align:top}.table-scroll th{padding:9px;background:var(--mint)}

/* Lectura tranquila: jerarquía clara y ayudas que se abren cuando hacen falta. */
body{font-size:18px;line-height:1.55}
h1,h2,h3{line-height:1.2}h1{font-size:clamp(2rem,4vw,2.8rem)}
.eyebrow{font-size:13px;letter-spacing:.06em;color:#765019}
.card{box-shadow:0 8px 24px #173f350b}
.today-card{border-top:5px solid var(--green)}
.today-card:has(.module-pill.tcu){border-top-color:var(--red)}
.today-card h2{margin:18px 0 12px}
summary{cursor:pointer;min-height:48px;padding:12px 4px;font-weight:700;overflow-wrap:anywhere}
details>summary::marker{color:var(--green)}
input,textarea,select{line-height:1.45;min-height:48px}
button,.button{line-height:1.35;text-align:center}
p{overflow-wrap:anywhere}.topline p{max-width:65ch}
@media(max-width:440px){main{padding:22px 14px 50px}.card{border-radius:18px}.brand strong{font-size:16px}.login h1{font-size:2.5rem}}

/* Recorrido guiado de la UD4: teoría, taller y trazabilidad en una sola pantalla. */
.demo-hero{margin:24px 0;padding:28px;border-radius:24px;background:linear-gradient(135deg,#173f35,#265f50);color:white}.demo-hero .eyebrow{color:#f4c76c}.demo-hero p{max-width:75ch}.demo-roadmap{position:sticky;top:82px;z-index:3;display:flex;gap:10px;overflow:auto;padding:12px;margin:0 0 22px;border:1px solid var(--line);border-radius:16px;background:#f6f3eced;backdrop-filter:blur(8px)}.demo-roadmap a{flex:1;min-width:160px;padding:12px;border-radius:10px;background:var(--mint);color:var(--green);font-weight:800;text-align:center;text-decoration:none}.demo-phase{margin:22px 0;border-top:6px solid var(--green);scroll-margin-top:160px}.flow-badge{display:inline-block;margin-bottom:16px;padding:7px 12px;border-radius:999px;background:var(--gold);color:#382605;font-size:13px;font-weight:900;letter-spacing:.06em}.demo-action{margin-top:24px;padding:20px;border:2px solid #b6d2c3;border-radius:16px;background:#f4faf6}.demo-action button{width:100%;margin-top:12px;font-size:19px}.demo-elaborations{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.demo-elaborations article{display:grid;grid-template-columns:38px 1fr;gap:4px 12px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:13px;background:#faf8f2}.demo-elaborations span{grid-row:span 2;display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--green);color:white;font-weight:850}.demo-elaborations small{color:var(--muted)}@media(max-width:760px){.demo-roadmap{position:static}.demo-elaborations{grid-template-columns:1fr}.demo-hero{padding:21px}}

/* Preparación transparente del traslado manual a Séneca. */
.coverage-summary{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.coverage-summary>*{padding:9px 13px;border-radius:999px;background:var(--mint)}.seneca-card{margin:16px 0;padding:20px;border:1px solid var(--line);border-left:7px solid var(--gold);border-radius:16px;background:#fff}.seneca-card.ready{border-left-color:#2f765c}.seneca-card.verify{border-left-color:#6b7280}.seneca-card.pending{border-left-color:#b26d2e}.seneca-card code{overflow-wrap:anywhere}.seneca-card form{margin-top:18px;padding-top:12px;border-top:1px solid var(--line)}@media(max-width:760px){.seneca-card .topline{align-items:flex-start}.seneca-card .actions>*{width:100%}}
.blocked-reasons{margin:12px 0;padding:12px 14px;border:1px solid #d8a15d;border-radius:12px;background:#fff4e7;color:#633b12}.blocked-reasons ul{margin:8px 0 0;padding-left:22px}.blocked-reasons li+li{margin-top:5px}
.viewer-back{min-width:190px;background:#173f35;color:#fff;border:2px solid #173f35}.viewer-back:hover,.viewer-back:focus-visible{background:#0f2d26;color:#fff;outline:3px solid #f4c76c;outline-offset:2px}@media(max-width:760px){.viewer-back{min-width:0}}
.document-page-stage{position:relative;min-height:0;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:18px;padding:20px;background:#e5ebe4}.document-page-stage img{width:100%;height:100%;min-height:0;object-fit:contain}@media(max-width:760px){.document-page-stage{grid-template-columns:44px minmax(0,1fr) 44px;gap:6px;padding:8px}}
.viewer-shell{inset:var(--viewer-top,72px) 0 0}@media(max-width:620px){header{padding:8px 12px;gap:8px;align-items:flex-start;flex-wrap:wrap}.brand{gap:8px}.brand img{width:84px!important}.brand strong{font-size:16px}#session{width:100%}#session .actions{gap:6px;justify-content:flex-start}#session .actions button{min-height:40px;padding:8px 9px;font-size:13px}.viewer-shell{inset:var(--viewer-top,72px) 0 0;position:fixed}.viewer-bar{display:grid;grid-template-columns:1fr;gap:8px;padding:10px 12px}.viewer-back{width:100%;min-width:0}.viewer-bar>div:nth-child(2){text-align:left}.viewer-actions{display:grid;grid-template-columns:1fr 1fr;width:100%;gap:8px}.viewer-actions>*{width:100%;min-width:0;padding:9px 8px;font-size:14px}.slide-stage,.document-page-stage{grid-template-columns:42px minmax(0,1fr) 42px;gap:4px;padding:6px}.slide-arrow{width:42px;height:54px}}
.viewer-unavailable{max-width:620px;margin:32px auto;padding:24px;border:1px solid var(--line);border-radius:16px;background:#fff;color:var(--ink);text-align:center;box-shadow:var(--shadow)}.viewer-unavailable h2{margin:0 0 10px;font-size:20px}.viewer-unavailable p{margin:0;line-height:1.55}@media(max-width:620px){.viewer-unavailable{margin:16px 10px;padding:18px}}
.material-row.return-highlight{border-color:#d89519;background:#fff3d8;box-shadow:0 0 0 4px #f4c76c66;transition:background .35s,border-color .35s,box-shadow .35s}
.unit-roadmap{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:24px 0}.unit-roadmap a{padding:14px;border-radius:12px;background:var(--mint);color:var(--green);font-weight:800;text-align:center;text-decoration:none}.unit-block{margin:24px 0;border-top:6px solid var(--green);scroll-margin-top:120px}.unit-block h3{margin-top:28px}.unit-activity{padding:14px 0;border-bottom:1px solid var(--line)}.unit-elaborations details{margin:10px 0;padding:12px;border:1px solid var(--line);border-radius:12px;background:#faf8f2}.unit-elaborations summary{padding:6px}.unit-session-list{padding-left:22px}.unit-session-list li{margin:8px 0}@media(max-width:620px){.unit-roadmap{grid-template-columns:1fr}.unit-roadmap a{text-align:left}.unit-block{padding:18px;scroll-margin-top:8px}}

.curriculum-intro{margin-bottom:24px}.curriculum-module{margin:24px 0}.curriculum-general,.curriculum-units{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.curriculum-document{border:1px solid var(--line);border-radius:12px;padding:16px;background:#fff}.curriculum-document .actions{margin-top:12px}@media(max-width:620px){.curriculum-general,.curriculum-units{grid-template-columns:1fr}}

/* El visor curricular tiene controles en su propia fila, debajo de la cabecera global. */
.curriculum-viewer-bar{display:grid;grid-template-columns:minmax(0,1fr);gap:14px;padding:16px 20px}.curriculum-controls{display:flex;align-items:center;justify-content:space-between;gap:14px}.curriculum-controls .viewer-back{min-width:250px;min-height:48px;white-space:normal}.curriculum-controls .viewer-actions{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:8px}.curriculum-meta{display:grid;gap:4px;min-width:0}.curriculum-meta strong,.curriculum-meta small{overflow-wrap:anywhere}.curriculum-viewer .document-page-stage{min-height:0}@media(max-width:760px){.curriculum-viewer-bar{gap:12px;padding:12px}.curriculum-controls{display:grid;grid-template-columns:minmax(0,1fr);gap:10px}.curriculum-controls .viewer-back{width:100%;min-width:0;min-height:48px}.curriculum-controls .viewer-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%;gap:8px}.curriculum-controls .viewer-actions>*{width:100%;min-width:0;min-height:48px;padding:9px 8px;font-size:14px}.curriculum-meta{padding-top:2px}.curriculum-viewer .document-page-stage{grid-template-columns:42px minmax(0,1fr) 42px;gap:4px;padding:6px}}

/* En pantallas estrechas, la cabecera sigue visible y el visor empieza exactamente debajo. */
@media(max-width:760px){header{position:sticky;top:0;z-index:5}}