.materials{margin-top:44px;padding-top:36px;border-top:2px solid var(--ink)}.materials-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:18px}.materials-head h3{font-size:28px;letter-spacing:-.04em;margin:0 0 7px}.materials-head>div>p:last-child{margin:0;color:var(--muted)}.materials-head>span{padding:6px 10px;border-radius:999px;background:#fff2e8;color:var(--orange);font-weight:900;white-space:nowrap}.material-form{display:grid;grid-template-columns:minmax(180px,.8fr) 1fr 1fr auto;gap:12px;align-items:end;padding:22px;border-radius:18px;background:#f2f6ff}.material-form label{display:grid;gap:7px;font-size:13px;font-weight:900}.material-form input,.material-form select{width:100%;min-width:0;border:1.5px solid #c9d5dd;border-radius:12px;padding:12px 13px;font:inherit;background:#fff}.material-form input[type=file]{padding:9px}.material-form small{grid-column:1/-1;color:var(--muted)}.material-form button{min-height:46px}.material-list{display:grid;gap:18px;margin-top:18px}.chapter-group{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#f8fafc}.chapter-heading{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:#eef3ff;border-bottom:1px solid var(--line)}.chapter-heading h4{margin:0;font-size:16px;color:var(--blue)}.chapter-heading span{font-size:12px;font-weight:900;color:var(--muted)}.chapter-materials{display:grid;gap:9px;padding:10px}.material-card{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:14px;align-items:center;border:1px solid var(--line);border-radius:13px;padding:15px;background:#fff}.file-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:12px;background:#eaf0ff;color:var(--blue);font-size:10px;font-weight:900}.material-card h4{margin:0 0 6px;font-size:17px}.material-card p{margin:0;color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.material-actions{display:flex;gap:7px}.material-actions a,.material-actions button{border:1px solid var(--line);border-radius:9px;padding:9px 11px;background:#fff;color:var(--blue);text-decoration:none;font-size:13px;font-weight:900}.material-actions button{color:#c4332b}@media(max-width:900px){.material-form{grid-template-columns:1fr 1fr}.material-form small{grid-column:1/-1}}@media(max-width:760px){.material-form{grid-template-columns:1fr}.material-form small{grid-column:auto}.material-card{grid-template-columns:auto 1fr}.material-actions{grid-column:1/-1}.materials-head{align-items:start}}@media(max-width:480px){.material-card{grid-template-columns:1fr}.file-icon{width:42px;height:42px}.material-actions a,.material-actions button{flex:1;text-align:center}}