/* Recursos de Aprendizaje: siempre visible, con pestañas accesibles (radio+label, sin JS obligatorio). */
.resources-hub{margin:1.5rem 0;padding:1.4rem;border:1px solid #d7e3e0;border-radius:1rem;background:linear-gradient(180deg,#f7fbfa,#fff)}
.resources-head{margin-bottom:1rem}
.resources-head h4{margin:.2rem 0;font-size:1.3rem}
.resources-head p{margin:0;color:#445}

.tabs-widget{--tab-accent:#168678}
.tabs-widget input[type=radio]{position:absolute;opacity:0;pointer-events:none}
.tabs-widget .tabs-nav{display:flex;flex-wrap:wrap;gap:.4rem;border-bottom:2px solid #e1ebe9;margin-bottom:1rem}
.tabs-widget .tabs-nav label{cursor:pointer;padding:.65rem 1rem;border-radius:.7rem .7rem 0 0;font-weight:700;font-size:.92rem;color:#4b5963;background:#eef4f3;user-select:none;transition:background .15s,color .15s}
.tabs-widget .tabs-nav label:hover{background:#e3efec}
.tabs-widget .tab-panel{display:none;animation:tab-fade .2s ease-out}
@keyframes tab-fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}
.tabs-widget input:nth-of-type(1):checked ~ .tabs-panels .panel-1,
.tabs-widget input:nth-of-type(2):checked ~ .tabs-panels .panel-2,
.tabs-widget input:nth-of-type(3):checked ~ .tabs-panels .panel-3,
.tabs-widget input:nth-of-type(4):checked ~ .tabs-panels .panel-4{display:block}
.tabs-widget input:nth-of-type(1):checked ~ .tabs-nav label:nth-of-type(1),
.tabs-widget input:nth-of-type(2):checked ~ .tabs-nav label:nth-of-type(2),
.tabs-widget input:nth-of-type(3):checked ~ .tabs-nav label:nth-of-type(3),
.tabs-widget input:nth-of-type(4):checked ~ .tabs-nav label:nth-of-type(4){background:var(--tab-accent);color:#fff}
.tabs-widget input:focus-visible ~ .tabs-nav label{outline:2px solid var(--tab-accent);outline-offset:2px}

.resource-list{list-style:none;margin:0;padding:0;display:grid;gap:.9rem}
.resource-list li{padding:.9rem 1rem;border:1px solid #e1ebe9;border-radius:.8rem;background:#fff}
.resource-list a{font-weight:700;text-decoration:none;color:#0f546f}
.resource-list a:hover{text-decoration:underline}
.resource-list small{display:block;color:#5a6a72;margin:.2rem 0 .4rem;font-size:.8rem}
.resource-list p{margin:0;line-height:1.5}

.teacher-video{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;border-radius:.8rem;background:#0b1f1c}
.teacher-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.teacher-video-pending{padding:2rem 1rem;text-align:center;color:#5a6a72;background:#eef4f3;border-radius:.8rem;border:1px dashed #b9cdc8}

.forum-scope{font-size:.85rem;color:#5a6a72;margin:0 0 .8rem}
.forum-new{margin-bottom:1rem;border:1px solid #e1ebe9;border-radius:.8rem;padding:.3rem .9rem;background:#fff}
.forum-new summary{cursor:pointer;font-weight:700;color:var(--tab-accent);padding:.6rem 0}
.forum-new form{display:grid;gap:.6rem;padding:.2rem 0 1rem}
.forum-new label{display:grid;gap:.3rem;font-weight:600;font-size:.85rem}
.forum-new input[type=text],.forum-new textarea,.forum-thread textarea{border:1px solid #9cb8b2;border-radius:.5rem;padding:.6rem;font:inherit;width:100%;box-sizing:border-box}
.forum-new button,.forum-thread form button{justify-self:start;margin-top:.2rem}
.forum-threads{display:grid;gap:.8rem}
.forum-thread{border:1px solid #e1ebe9;border-radius:.8rem;padding:.2rem .9rem;background:#fff}
.forum-thread summary{cursor:pointer;padding:.7rem 0;display:flex;flex-direction:column;gap:.15rem}
.forum-thread summary small{color:#5a6a72;font-weight:400}
.forum-body{background:#f7fbfa;padding:.8rem;border-radius:.6rem;line-height:1.5}
.forum-replies{display:grid;gap:.6rem;margin:.8rem 0}
.forum-reply{padding:.7rem .9rem;border-left:3px solid var(--tab-accent);background:#f2f8f7;border-radius:0 .5rem .5rem 0}
.forum-reply small{display:block;color:#5a6a72;font-size:.78rem;margin-bottom:.2rem}
.forum-empty{color:#5a6a72;font-style:italic}
@media(max-width:640px){.tabs-widget .tabs-nav label{flex:1 1 45%;text-align:center}}