:root{--v:#1f7a4d;--v2:#2fa66a;--n:#f59e0b;--r:#dc2626;--bg:#eef3ef;--txt:#1f2937;--bd:#d1d5db}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--txt)}a{color:var(--v);font-weight:bold}header{background:linear-gradient(135deg,var(--v),#14532d);color:#fff;padding:14px 22px;display:flex;justify-content:space-between;align-items:center;gap:12px}header img{max-height:58px;max-width:190px;background:white;border-radius:8px;padding:4px}.wrap{max-width:1250px;margin:22px auto;padding:0 16px}.card,.login-card{background:#fff;border-radius:14px;padding:20px;box-shadow:0 5px 20px rgba(0,0,0,.08);margin-bottom:18px}.login-card{max-width:430px;margin:70px auto}.nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.nav a{background:#fff;border:1px solid var(--v);border-radius:8px;padding:9px 13px;text-decoration:none}.nav a.active{background:var(--v);color:#fff}.btn{display:inline-block;background:var(--v);color:#fff;border:0;border-radius:8px;padding:9px 13px;text-decoration:none;cursor:pointer;font-weight:bold}.btn2{background:var(--n);color:#111}.btn3{background:#374151;color:#fff}.dangerBtn{background:var(--r);color:#fff}input,select,textarea{width:100%;padding:9px;border:1px solid var(--bd);border-radius:8px;margin:5px 0 12px}textarea{min-height:90px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:15px}.table{width:100%;border-collapse:collapse}.table th,.table td{border-bottom:1px solid #e5e7eb;padding:9px;text-align:left;vertical-align:top}.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#e8f7ee;color:var(--v);font-size:12px;font-weight:bold}.red{background:#fee2e2;color:#991b1b}.orange{background:#ffedd5;color:#9a3412}.alert{background:#fff7ed;border-left:5px solid var(--n);padding:12px;border-radius:8px;margin:10px 0}.alert.danger{background:#fee2e2;border-left-color:var(--r)}.box{border:1px solid var(--bd);border-radius:12px;padding:14px;margin:12px 0;background:#fbfffc}.block{border-left:5px solid var(--v);padding:12px;margin:10px 0;background:#f7fbf8;border-radius:8px}.topic{border-left:5px solid var(--n);padding:12px;margin:8px 0;background:#fffaf1;border-radius:8px}.folder{border:1px dashed #9ca3af;border-radius:8px;padding:10px;margin:8px 0;background:white}.small{font-size:12px;color:#6b7280}.logo{max-height:70px;max-width:220px}.actions{display:flex;gap:6px;flex-wrap:wrap}.inline{display:inline}.muted{color:#6b7280}


/* Editor visual de cursos */
.visual-editor-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap}
.tree-search{max-width:360px;margin:0}
.course-editor-layout{display:grid;grid-template-columns:minmax(280px,34%) minmax(0,1fr);gap:18px;align-items:start}
.course-tree-panel{border:1px solid var(--bd);border-radius:12px;background:#f8fbf9;max-height:72vh;overflow:auto;padding:10px;position:sticky;top:15px}
.course-properties-panel{min-height:460px;border:1px solid var(--bd);border-radius:12px;background:#fff;padding:18px}
.tree-course,.tree-block{margin-bottom:5px}
.tree-toggle{width:100%;border:0;background:transparent;text-align:left;padding:8px;border-radius:8px;cursor:pointer;font-weight:bold;color:var(--txt);display:flex;gap:7px;align-items:flex-start}
.tree-toggle:hover{background:#e8f7ee}
.tree-course-title{font-size:15px;color:var(--v)}
.tree-block-title{font-size:14px;padding-left:16px}
.tree-children{padding-left:14px}
.tree-topic{display:flex;gap:7px;padding:7px 8px 7px 30px;border-radius:7px;text-decoration:none;color:var(--txt);font-weight:normal;line-height:1.25}
.tree-topic:hover{background:#fff3d8}
.tree-topic.selected{background:var(--n);color:#111;font-weight:bold}
.tree-arrow{width:14px;display:inline-block;transition:transform .15s ease}
.tree-toggle[aria-expanded="false"] .tree-arrow{transform:rotate(-90deg)}
.tree-toggle[aria-expanded="false"] + .tree-children{display:none}
.tree-empty{padding:7px 8px 7px 30px;color:#9ca3af;font-size:12px}
.tree-search-hidden{display:none!important}
.visual-empty-state{text-align:center;padding:70px 20px;color:#6b7280}
.visual-empty-icon{font-size:52px;margin-bottom:10px}
.visual-breadcrumb{font-size:13px;color:#6b7280;margin-bottom:8px}
.visual-topic-title{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;border-bottom:1px solid #e5e7eb;padding-bottom:14px;margin-bottom:16px}
.visual-topic-title h3{margin:0 0 7px}
.visual-resource-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:13px}
.visual-resource-card{border:1px solid #e5e7eb;border-radius:10px;padding:13px;background:#fbfffc}
.visual-resource-card h4{margin:0 0 10px}
.visual-resource-row{display:flex;justify-content:space-between;gap:10px;align-items:flex-start;border-top:1px solid #eef2f0;padding:8px 0}
.visual-resource-row:first-of-type{border-top:0}
@media(max-width:850px){
  .course-editor-layout{grid-template-columns:1fr}
  .course-tree-panel{position:static;max-height:420px}
}

/* Campus LASAN 3.1 */
.tree-row{position:relative;display:flex;align-items:flex-start;gap:4px}.tree-row .tree-toggle{flex:1}.tree-menu-button{flex:0 0 30px;width:30px;height:30px;border:0;border-radius:7px;background:transparent;cursor:pointer;font-size:20px;line-height:1;color:#4b5563}.tree-menu-button:hover,.tree-menu-button.active{background:#e5e7eb;color:#111827}.tree-context-menu{display:none;position:absolute;right:4px;top:32px;z-index:40;min-width:180px;background:#fff;border:1px solid var(--bd);border-radius:9px;padding:6px;box-shadow:0 12px 28px rgba(0,0,0,.15)}.tree-context-menu.open{display:block}.tree-context-menu a,.tree-context-menu button{display:block;width:100%;border:0;background:transparent;color:var(--txt);padding:8px 10px;border-radius:6px;text-align:left;text-decoration:none;font-weight:normal;cursor:pointer}.tree-context-menu a:hover,.tree-context-menu button:hover{background:#eef7f1;color:var(--v)}.tree-topic-wrapper{position:relative;display:flex;align-items:flex-start}.tree-topic-wrapper .tree-topic{flex:1}.tree-topic-menu-button{margin-top:2px}.tree-topic-wrapper .tree-context-menu{top:32px}.tree-quick-form{display:none;margin:5px 8px 10px 22px;padding:10px;border:1px dashed #9ca3af;border-radius:9px;background:#fff}.tree-quick-form.open{display:block}.tree-quick-form input{margin-bottom:8px}.tree-quick-form .btn{padding:7px 10px}


/* Campus LASAN 3.2: secciones configurables */
.section-types-grid,.topic-sections-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px}.section-type-card,.topic-section-setting{border:1px solid #e5e7eb;border-radius:11px;padding:13px;background:#fbfffc}.section-type-heading,.topic-section-name{display:flex;align-items:center;gap:9px;margin-bottom:8px}.section-type-icon{font-size:24px}.check-row{display:flex;align-items:center;gap:8px;font-size:13px}.check-row input{width:auto;margin:0}.topic-sections-config{border:1px solid #dbe7df;border-radius:12px;padding:14px;margin-bottom:16px;background:#f8fbf9}.topic-sections-config h4{margin-top:0}.topic-section-setting select{margin-bottom:8px}.section-hidden-admin{opacity:.72;border-style:dashed}.student-topic-section{margin:12px 0;padding:12px;border:1px solid #e5e7eb;border-radius:10px;background:#fff}.student-topic-section h4{margin:0 0 9px}


/* Campus LASAN 3.3: gestor y pestañas dinámicas */
.resource-type-admin-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}.resource-type-admin-card{border:1px solid #e5e7eb;border-top:5px solid var(--tipo-color);border-radius:12px;padding:14px;background:#fff}.resource-type-card-head{display:flex;align-items:center;gap:11px;margin-bottom:12px}.resource-type-big-icon{font-size:32px}.config-two-cols{display:grid;grid-template-columns:1fr 90px;gap:10px}.behavior-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin:10px 0 14px}.resource-type-delete{margin:-6px 0 15px}.compact-config-link{display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap}.compact-config-link h3,.compact-config-link p{margin:0}.resource-tab-list{display:flex;gap:7px;overflow-x:auto;border-bottom:1px solid #d1d5db;padding:0 2px}.resource-tab-button{border:0;border-bottom:4px solid transparent;background:#f3f4f6;padding:10px 12px;border-radius:9px 9px 0 0;cursor:pointer;white-space:nowrap;font-weight:bold}.resource-tab-button.active{background:#fff;border-bottom-color:var(--tipo-color);color:var(--tipo-color)}.tab-count{display:inline-block;margin-left:6px;background:#e5e7eb;border-radius:999px;padding:2px 6px;font-size:11px}.tab-hidden{margin-left:5px;color:#9a3412;font-size:10px}.resource-tab-panel{display:none;border:1px solid #e5e7eb;border-top:4px solid var(--tipo-color);border-radius:0 0 11px 11px;padding:16px;background:#fff}.resource-tab-panel.active{display:block}.topic-section-setting{border-top:4px solid var(--tipo-color)}@media(max-width:650px){.config-two-cols{grid-template-columns:1fr}.resource-tab-list{padding-bottom:2px}}