:root{--bg:#f5f4ef;--panel:#fff;--ink:#1f2522;--muted:#70756f;--line:#deded6;--accent:#213d36;--soft:#ecefe9;--radius:18px;--shadow:0 10px 30px rgba(24,34,30,.06)}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}button,input,select,textarea{font:inherit}.app-shell{min-height:100vh;display:grid;grid-template-columns:250px 1fr}.sidebar{background:#17231f;color:white;padding:28px 20px;display:flex;flex-direction:column;gap:34px}.brand{font-size:26px;font-weight:750;letter-spacing:-.04em}.brand span{display:block;font-size:12px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;opacity:.7;margin-top:4px}.sidebar nav{display:flex;flex-direction:column;gap:6px}.nav-link{color:rgba(255,255,255,.72);text-decoration:none;padding:11px 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var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.metric{padding:18px}.metric strong{display:block;font-size:28px;margin-top:7px}.grid{display:grid;gap:16px}.grid.two{grid-template-columns:1.2fr .8fr}.grid.three{grid-template-columns:repeat(3,1fr)}.panel{padding:20px;min-width:0}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}.panel-head.wrap{flex-wrap:wrap}.stack{display:flex;flex-direction:column;gap:10px}.item{border:1px solid var(--line);border-radius:14px;padding:13px 14px;display:flex;justify-content:space-between;gap:12px;align-items:center}.item h3{font-size:14px;margin:0 0 4px}.item p,.muted{margin:0;color:var(--muted);font-size:13px}.badge{display:inline-flex;border-radius:999px;background:var(--soft);padding:5px 9px;font-size:11px;white-space:nowrap}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:12px 10px;border-top:1px solid 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ul{margin:0;padding-left:20px;color:var(--muted);font-size:13px}@media(max-width:980px){.app-shell{grid-template-columns:1fr}.sidebar{position:static}.sidebar nav{flex-direction:row;overflow:auto}.sidebar-note{display:none}.metrics,.grid.two,.grid.three,.destination-grid{grid-template-columns:1fr 1fr}}@media(max-width:680px){main{padding:20px}.topbar{align-items:flex-start;flex-direction:column}.metrics,.grid.two,.grid.three,.destination-grid,.form-grid{grid-template-columns:1fr}.form-grid .wide{grid-column:auto}.top-actions{width:100%}}

/* Adaptación a la identidad visual existente de R²; el logotipo es el archivo oficial, nunca texto recreado. */
:root{--bg:#f7f5f0;--ink:#35433a;--accent:#35433a;--muted:#657168;--line:#dad5ca;--soft:#f0efe9;--radius:2px;--shadow:none}
body{font-family:'Noto Sans',system-ui,sans-serif;font-size:13px;line-height:1.6}
h1,h2,.panel h2{font-family:'EB Garamond',Georgia,serif;font-weight:500;letter-spacing:-.02em}
h1{font-size:clamp(33px,4vw,54px)}h2,.panel h2{font-size:clamp(25px,2.5vw,34px)}
.sidebar{background:#35433a}.sidebar .brand{display:block}.sidebar .brand img{display:block;max-width:110px;height:auto}.sidebar-note a{color:#fff;display:inline-block;padding:7px 0;text-decoration:underline;text-underline-offset:4px}.sidebar-note span{overflow-wrap:anywhere}
.btn,.panel,.metric,.item,.badge,.filters input,.filters select,.form-grid input,.form-grid select,.form-grid textarea,.destination-grid article,fieldset,dialog,.empty{border-radius:2px}.btn:disabled{opacity:.45;cursor:wait}.btn:hover:not(:disabled){filter:brightness(.95)}.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid #35433a;outline-offset:3px}
.auth-gate{min-height:100vh;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;max-width:700px;margin:0 auto;padding:35px}.auth-gate img{width:110px;height:auto}.auth-gate h1{margin:13px 0}.auth-gate p{max-width:600px}.auth-gate .btn{margin-top:12px;text-decoration:none}.app-shell[hidden],.auth-gate[hidden],.operation-status[hidden],.course-actions[hidden]{display:none!important}
.operation-status{margin-bottom:18px;padding:12px;border:1px solid #9ab09a;background:#f2f7f0;color:#264b2b;white-space:pre-wrap}.operation-status.error{background:#fff4f2;border-color:#b98c85;color:#862e24}.course-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:15px}.course-module button{margin:8px 5px 5px 0}.dialog-form>label{display:grid;gap:7px;font-size:13px;margin-top:14px}.dialog-form>label input,.dialog-form>label select{padding:10px;border:1px solid var(--line);width:100%;background:#fff}.dialog-form{max-height:86vh;overflow:auto}.dialog-form input[type=file]{max-width:100%}.lesson-resources{max-height:200px;overflow:auto;display:grid;gap:5px}.lesson-resources label{display:flex;gap:8px;align-items:center;font-size:12px}.preview-body{white-space:pre-wrap;line-height:1.8;margin:20px 0;overflow-wrap:anywhere}.preview-body:empty{display:none}#preview-links a{display:block;margin:10px 0;overflow-wrap:anywhere}.form-grid small{font-size:11px}.operation-status button{margin-left:10px}
@media(max-width:680px){.sidebar{padding:18px}.sidebar .brand img{width:78px}.sidebar nav{flex-wrap:wrap}.sidebar-note{display:block}main{padding:18px}.topbar h1{font-size:35px}}

/* Educación v2: taxonomía administrable, publicación por audiencia y edición curricular. */
.toast-region{position:fixed;right:22px;top:22px;z-index:9999;display:grid;gap:10px;pointer-events:none}.toast{min-width:min(380px,calc(100vw - 44px));max-width:520px;padding:14px 16px;border:1px solid #7e9b82;background:#edf6ed;color:#234a2a;box-shadow:0 12px 34px rgba(0,0,0,.16);transform:translateY(-10px);opacity:0;transition:.2s ease;pointer-events:auto}.toast.error{background:#fff2ef;border-color:#bd8179;color:#7b2920}.toast.show{transform:translateY(0);opacity:1}
.form-error{margin:14px 0 4px;padding:11px 12px;border:1px solid #b98c85;background:#fff4f2;color:#862e24}.form-error[hidden]{display:none}.dialog-form [aria-invalid="true"]{border-color:#a94d43!important;box-shadow:0 0 0 1px #a94d43}.dialog-form textarea{width:100%;padding:10px;border:1px solid var(--line);background:#fff;color:var(--ink);resize:vertical}.inline-field{display:grid!important;gap:6px;margin-top:10px!important}.managed-tag-options{display:flex;flex-wrap:wrap;gap:8px 14px;margin-bottom:8px}.managed-tag-options .check{margin:0}.mini-note{margin:0 0 9px}.destination-label{display:inline-block;margin:0 4px 4px 0;padding:4px 6px;border:1px solid var(--line);font-size:11px;background:#faf9f5}
.course-choice.selected{border-color:#8b998f;background:#f2f3ee}.course-detail{display:grid;gap:12px}.course-description{padding-bottom:4px}.course-module{border-left:2px solid #c7c7bd;padding:12px 0 12px 16px;margin:2px 0}.module-head{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;margin-bottom:10px}.module-head h4{font-size:15px}.lesson-block{border:1px solid var(--line);background:#fbfaf6;margin:9px 0}.lesson-open{width:100%;border:0;background:transparent;display:flex;justify-content:space-between;align-items:center;text-align:left;padding:12px 13px;color:var(--ink);cursor:pointer}.lesson-open:hover{background:#f2f1eb}.lesson-open span:first-child{display:grid;gap:2px}.lesson-open small{text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-size:9px}.lesson-open strong{font-size:13px}.lesson-open em{font-style:normal;color:var(--muted);font-size:12px;font-weight:400}.lesson-materials{padding:0 12px 10px}.mini-heading{text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-size:9px;margin:0 0 5px}.lesson-resource{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:7px 0;border-top:1px solid var(--line);font-size:12px}.resource-actions{display:flex;gap:4px;align-items:center}.icon-text-btn{border:0;background:transparent;color:var(--accent);cursor:pointer;padding:4px 5px;font-size:12px}.icon-text-btn:hover:not(:disabled){text-decoration:underline}.icon-text-btn:disabled{opacity:.3;cursor:default}.icon-text-btn.danger{color:#8a392f}.no-material{padding:0 13px 11px}
.taxonomy-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:16px}.taxonomy-intro{margin-bottom:16px}.taxonomy-admin-list{display:grid;gap:8px}.taxonomy-row{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;border-top:1px solid var(--line);padding:12px 0 12px calc(var(--depth,0) * 24px)}.taxonomy-row:first-child{border-top:0}.taxonomy-row strong{margin-right:8px}.taxonomy-row p{margin:4px 0 0;color:var(--muted);font-size:12px}.taxonomy-actions{display:flex;gap:7px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.taxonomy-side{gap:16px}.taxonomy-admin-list.compact .taxonomy-row{padding-left:0}.tag-row{align-items:center}
.publishing-list-panel{margin-top:16px}.publication-card{border:1px solid var(--line);background:#fff;padding:16px;text-align:left;color:var(--ink);cursor:pointer}.publication-card:hover,.publication-card.selected{border-color:#7f9084;background:#f1f2ed}.publication-card h3{margin:4px 0 8px;font-size:14px}.publication-card p{margin:0;color:var(--muted);font-size:12px;line-height:1.5}.publication-count{font-family:'EB Garamond',Georgia,serif;font-size:32px;color:var(--accent)}.item-actions{display:flex;gap:6px;align-items:center}.preview-meta{display:flex;gap:6px;flex-wrap:wrap;margin:12px 0}.preview-meta span{border:1px solid var(--line);background:#f6f5f0;padding:4px 7px;font-size:11px}
@media(max-width:980px){.taxonomy-layout{grid-template-columns:1fr}.courses-grid{grid-template-columns:1fr}.toast-region{left:18px;right:18px;top:18px}.toast{min-width:0;max-width:none}}
@media(max-width:680px){.module-head,.lesson-resource,.taxonomy-row{flex-direction:column}.taxonomy-actions,.resource-actions{justify-content:flex-start}.lesson-open{gap:12px}.destination-label{display:block}}