/* ECO · ADN visual editorial, contraste y lectura espaciosa */
.aula-wrap{max-width:1380px}.aula-layout{display:grid;grid-template-columns:minmax(230px,.7fr) minmax(0,1.7fr);gap:20px;align-items:start}.aula-week-arrows{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.aula-warning{border-left:5px solid #aa7a38;margin-bottom:22px}.aula-library{display:grid;gap:15px;position:sticky;top:24px}.aula-library-row{display:flex;justify-content:space-between;gap:12px;border-top:1px solid #dde8e4;padding:14px 0;align-items:start}.aula-library-row strong{display:block;margin:0 0 4px;color:#16464f}.aula-library-actions{display:flex;flex-direction:column;gap:8px;flex:none}.aula-editor{max-width:none}.aula-step{display:flex;align-items:start;gap:14px;margin:0 0 10px}.aula-step>span{background:#1c686b;color:white;border-radius:12px;display:grid;place-items:center;width:44px;height:44px;flex:none;font-weight:800;letter-spacing:1px}.aula-step h2{font-size:24px}.aula-step p{color:#668086;font-size:13px;max-width:650px;margin-top:4px}.aula-concept-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.aula-cbox{border:1px solid #cbdcda;padding:15px;border-radius:17px;background:#fbfdfc;display:grid;gap:13px}.aula-cbox:nth-child(2){background:#fffdfa}.aula-check{display:flex;gap:11px;align-items:start;background:#eff6f4;border:1px solid #d5e6e1;border-radius:13px;padding:14px;font-weight:650;font-size:13px}.aula-check input{height:20px;width:20px;flex:none;accent-color:#176f6b}.aula-buttons{display:flex;flex-wrap:wrap;gap:9px}.aula-buttons .btn{flex:1 1 175px}.aula-concept-grid textarea{min-height:66px}.aula-library .empty{padding:20px}.aula-editor .divider{margin:20px 0}.eco-split-home{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:20px}.eco-hub{background:#fff;border:1px solid #d7e2df;border-radius:18px;padding:21px;display:grid;gap:10px}.eco-hub h2{font-size:21px}.eco-hub p{color:#5e7579;font-size:13px}.eco-hub .mini-overline{font-size:11px;font-weight:850;letter-spacing:1.8px;color:#986b38;text-transform:uppercase}.eco-hub.student{background:#edf6f3}.eco-hub.tasks{background:#faf4eb}.eco-hub .btn{justify-self:start}@media(max-width:1160px){.aula-layout{grid-template-columns:1fr}.aula-library{position:static}.aula-library .stack{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.aula-library-row{border:1px solid #dee8e4;border-radius:12px;padding:14px}}@media(max-width:760px){.aula-concept-grid,.eco-split-home,.aula-library .stack{grid-template-columns:1fr}.aula-editor .form-grid{grid-template-columns:1fr}.aula-step h2{font-size:20px}.aula-buttons .btn{width:100%}.sidebar nav{overflow-x:auto;justify-content:flex-start;scrollbar-width:thin}.sidebar .nav-btn{flex:0 0 79px;min-width:79px;line-height:1.15;padding:6px 1px}.aula-wrap{max-width:100%}}
/* ECO V4.7 · IA pedagógica: mismo ADN visual editorial, sin desviar la atención */
.aula-ai-box{margin-top:20px;padding:20px;border:1px solid #c5d6d2;border-left:5px solid #b2874c;border-radius:17px;background:linear-gradient(120deg,#f1f7f5 0%,#fffaf1 100%);display:grid;gap:15px}
.aula-ai-head{display:flex;align-items:start;gap:13px}.aula-ai-head h3{font-size:19px;color:#16434c}.aula-ai-head p{font-size:13px;color:#61797b;margin-top:5px}.aula-ai-star{font-size:30px;color:#a87838;line-height:1}
.aula-ai-box .field{min-width:0}.aula-ai-box textarea{min-height:64px}.aula-ai-actions{display:flex;gap:13px;align-items:center;flex-wrap:wrap}.aula-ai-actions .btn{min-width:210px}.aula-ai-actions .small{flex:1;min-width:220px}
.aula-ai-import .field{display:grid;gap:8px}.aula-ai-import .btn{justify-self:start}
.aula-ai-test{padding:2px 0}.aula-ai-quiz{border:1px solid #cbdcd7;border-radius:15px;padding:15px;background:#f9fcfb}.aula-ai-quiz>summary{cursor:pointer;font-weight:800;color:#164b50;font-size:16px}.aula-ai-quiz>.stack{margin-top:15px}.aula-ai-question{border:1px solid #d7e4e0;border-radius:12px;padding:14px;background:white;display:grid;gap:10px}.aula-ai-question input,.aula-ai-question textarea,.aula-ai-question select{width:100%}
@media(max-width:760px){.aula-ai-box{padding:15px}.aula-ai-actions .btn{width:100%}}

/* ECO 4.7.4 · Orden de generación accesible y no burocrático */
.aula-ai-first{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;border:1px solid #b6d8ce;border-left:5px solid #267d77;background:#eef8f5;border-radius:14px;padding:16px 19px;margin:13px 0 20px}
.aula-ai-first strong{color:#124d50;display:block;font-size:15px}.aula-ai-first p{margin:6px 0 0;max-width:570px}.aula-ai-first .btn{white-space:normal;flex-shrink:0}
#aulaAIState{display:block;max-width:490px;line-height:1.5}
@media(max-width:720px){.aula-ai-first{align-items:stretch}.aula-ai-first .btn{width:100%}}