/* Administração NBE — organização progressiva sem alterar regras de negócio */
.nbe-admin-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:-10px 0 28px;padding-bottom:14px;border-bottom:1px solid var(--border)}
.nbe-admin-tab{border:1px solid var(--border);background:#fff;color:var(--text);padding:11px 16px;font:inherit;font-size:13px;font-weight:650;cursor:pointer}
.nbe-admin-tab[aria-selected="true"]{border-color:var(--mustard-dark);background:var(--mustard);color:#111}
.nbe-admin-panel[hidden]{display:none!important}
.nbe-student-filterbar{display:grid;grid-template-columns:minmax(180px,1fr) minmax(180px,1fr) auto;gap:12px;align-items:end;margin:-4px 0 18px}
.nbe-student-filterbar label{display:grid;gap:6px;color:#555;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.nbe-student-filterbar select{width:100%;min-height:42px;border:1px solid var(--border);background:#fff;padding:9px 11px;font:inherit;font-size:13px}
.nbe-student-result-count{align-self:center;color:var(--muted);font-size:12px;white-space:nowrap}
#students-list{max-height:none!important;overflow:visible!important;padding-right:0!important}
.nbe-student-access-card{transition:border-color .16s ease,box-shadow .16s ease}
.nbe-student-access-card.is-expanded{border-color:#c7b16f;box-shadow:0 8px 24px rgba(0,0,0,.055)}
.nbe-student-access-card:not(.is-expanded) .nbe-access-grid,.nbe-student-access-card:not(.is-expanded)>.admin-card-actions{display:none}
.nbe-student-summary{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:10px}
.nbe-student-summary span{display:inline-flex;padding:5px 8px;border:1px solid #e0ddd5;background:#faf9f5;color:#5f5b52;font-size:11px}
.nbe-student-card-controls{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nbe-student-expand{min-width:132px}
.nbe-more-actions{position:relative;display:inline-block}
.nbe-more-actions>summary{list-style:none;display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:9px 14px;border:1px solid var(--border);background:#fff;color:#222;font-size:12px;font-weight:650;cursor:pointer;box-sizing:border-box}
.nbe-more-actions>summary::-webkit-details-marker{display:none}
.nbe-more-actions>summary:after{content:"⌄";margin-left:8px;color:#777}
.nbe-more-actions[open]>summary{border-color:var(--mustard-dark);background:#fbf7ea}
.nbe-more-actions-menu{position:absolute;right:0;top:calc(100% + 6px);z-index:25;display:grid;gap:6px;width:max-content;min-width:190px;padding:8px;border:1px solid var(--border);background:#fff;box-shadow:0 14px 35px rgba(0,0,0,.14)}
.nbe-more-actions-menu button{width:100%;margin:0!important;text-align:left;justify-content:flex-start}
.library-admin-list .admin-card-actions{align-items:flex-start}
.library-admin-list .nbe-more-actions-menu{position:static;margin-top:6px;box-shadow:none}
.nbe-library-admin-controls{display:flex;gap:12px;align-items:end;flex-wrap:wrap;margin:0 0 22px}
.nbe-library-admin-controls label{display:grid;gap:6px;font-size:11px;font-weight:700;letter-spacing:.08em;color:#555;text-transform:uppercase}
.nbe-library-admin-controls select{min-width:190px;min-height:42px;border:1px solid var(--border);background:#fff;padding:9px 11px;font:inherit}
.library-admin-profile>.admin-card-head,.library-admin-item>.admin-card-head,.library-admin-topic>.admin-card-head{position:relative;padding-right:150px}
.nbe-library-toggle{position:absolute;right:0;top:0;min-width:124px}
.nbe-library-counts{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.nbe-library-counts span{padding:5px 8px;border:1px solid #dedbd3;background:#faf9f5;color:#676158;font-size:10px;font-weight:700;letter-spacing:.04em;text-transform:uppercase}
.library-admin-profile.nbe-collapsed>.library-admin-items,.library-admin-item.nbe-collapsed>.library-admin-topics,.library-admin-topic.nbe-collapsed>.library-admin-materials{display:none}
.library-admin-profile.nbe-collapsed,.library-admin-item.nbe-collapsed,.library-admin-topic.nbe-collapsed{padding-bottom:20px}
.library-admin-list.nbe-library-searching .library-admin-profile:not([style*="display: none"])>.library-admin-items,.library-admin-list.nbe-library-searching .library-admin-item:not([style*="display: none"])>.library-admin-topics,.library-admin-list.nbe-library-searching .library-admin-topic:not([style*="display: none"])>.library-admin-materials{display:flex!important}
.nbe-course-admin-counts{margin:8px 0 0;color:var(--muted);font-size:12px}
.nbe-empty-state{grid-column:1/-1;padding:34px 22px;text-align:center;border-top:1px solid var(--border);background:#faf9f5}
.nbe-empty-state strong{display:block;margin-bottom:6px;font-family:var(--serif);font-size:22px;font-weight:400}
.nbe-empty-state p{margin:0;color:var(--muted);font-size:13px}
@media(max-width:760px){
  .nbe-admin-tabs{display:grid;grid-template-columns:1fr}
  .nbe-student-filterbar{grid-template-columns:1fr}
  .nbe-student-card-controls{width:100%;justify-content:space-between}
  .nbe-student-expand{flex:1}
  .nbe-more-actions{width:100%}.nbe-more-actions>summary{width:100%}.nbe-more-actions-menu{position:static;width:100%;margin-top:6px;box-shadow:none}
  .library-admin-profile>.admin-card-head,.library-admin-item>.admin-card-head,.library-admin-topic>.admin-card-head{padding-right:0;padding-top:52px}
  .nbe-library-toggle{left:0;right:auto;top:0}
}