.materials-admin-split{grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr)}
.materials-students{max-height:260px;overflow:auto}
.inline-checks{display:flex;gap:24px;flex-wrap:wrap}
.materials-admin-list{display:grid;gap:12px}.material-admin-item{border:1px solid rgba(135,164,200,.22);border-radius:14px;background:rgba(4,19,39,.56);overflow:hidden}.material-admin-item summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:54px minmax(0,1fr) auto;gap:14px;align-items:center;padding:16px}.material-admin-item summary::-webkit-details-marker{display:none}.material-admin-item summary small{display:block;color:var(--muted);margin-top:5px}.material-file-icon{width:48px;height:48px;border-radius:12px;background:rgba(255,255,255,.07);display:grid;place-items:center;font-size:25px}.material-summary-right{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.material-edit-form{border-top:1px solid rgba(135,164,200,.18);padding:18px}.material-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.material-delete-form{padding:0 18px 18px}.material-group{margin-bottom:22px}.student-material-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.student-material-card{display:grid;grid-template-columns:62px minmax(0,1fr);gap:15px;padding:18px;border:1px solid rgba(135,164,200,.2);border-radius:15px;background:rgba(4,19,39,.48)}.student-material-icon{width:58px;height:58px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(145deg,rgba(230,24,50,.18),rgba(13,63,118,.28));font-size:30px}.student-material-copy h3{margin:8px 0 5px}.student-material-copy p{margin:0 0 8px;color:var(--muted)}.student-material-copy small{color:var(--muted)}.material-badges{display:flex;gap:7px;flex-wrap:wrap}.material-card-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.material-audio{width:100%;margin-top:14px;height:40px}.lesson-materials{margin-top:18px}.lesson-material-list{display:grid;gap:10px}.lesson-material-row{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid rgba(135,164,200,.18);border-radius:12px}.lesson-material-row .material-file-icon{flex:0 0 44px;width:44px;height:44px}.lesson-material-row>div{flex:1}.lesson-material-row small{display:block;color:var(--muted);margin-top:3px}@media(max-width:900px){.materials-admin-split,.student-material-grid{grid-template-columns:1fr}.material-admin-item summary{grid-template-columns:50px 1fr}.material-summary-right{grid-column:2;justify-content:flex-start}}@media(max-width:560px){.student-material-card{grid-template-columns:1fr}.material-admin-item summary{grid-template-columns:1fr}.material-summary-right{grid-column:1}.material-actions{align-items:flex-start;flex-direction:column}}