/* Extracted from views/education/file/view.php style#1 */
.material-page{max-width:1120px;margin:0 auto;padding:24px 20px 42px;color:#16191d}
.material-crumbs{margin-bottom:14px}
.material-hero{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(320px,.65fr);gap:22px;align-items:start}
.material-panel{background:#fff;border:1px solid #e1e5e9;border-radius:18px;box-shadow:0 8px 28px rgba(18,25,38,.045)}
.material-media{padding:16px;overflow:hidden}
.material-media__main{display:flex;align-items:center;justify-content:center;min-height:320px;border-radius:14px;background:#f5f7f8;overflow:hidden}
.material-media__main img{display:block;max-width:100%;max-height:540px;object-fit:contain}
.material-media__thumbs{display:flex;gap:8px;margin-top:10px;overflow-x:auto;padding-bottom:2px}
.material-media__thumbs button{flex:0 0 70px;width:70px;height:54px;border:1px solid #dce2e8;border-radius:10px;background:#fff;padding:3px;cursor:pointer}
.material-media__thumbs button.is-active{border-color:#d8a900;box-shadow:inset 0 0 0 1px #ffc400}
.material-media__thumbs img{width:100%;height:100%;object-fit:cover;border-radius:7px}
.material-info{padding:24px}
.material-format{display:inline-flex;padding:5px 9px;border-radius:999px;background:#fff5c8;color:#6e5900;font-size:11px;font-weight:800}
.material-title{margin:12px 0 10px;font-size:30px;line-height:1.15;letter-spacing:-.03em}
.material-meta{display:flex;gap:14px;flex-wrap:wrap;color:#747d89;font-size:12px}
.material-summary{margin:18px 0 0;color:#47505c;font-size:14px;line-height:1.6}
.material-download{margin-top:22px;padding-top:20px;border-top:1px solid #eceff2}
.material-file{display:flex;align-items:center;gap:12px;margin-bottom:12px;padding:12px;border-radius:12px;background:#f7f8fa}
.material-file__icon{width:38px;height:38px;border-radius:10px;background:#fff;border:1px solid #e0e5e9;display:flex;align-items:center;justify-content:center}
.material-file__icon img{max-width:24px;max-height:24px}
.material-file__name{font-size:13px;font-weight:750}
.material-file__size{margin-top:2px;font-size:11px;color:#7a838d}
.material-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 18px;border-radius:12px;text-decoration:none;font-size:14px;font-weight:800;border:1px solid transparent}
.material-btn--primary{background:#ffc400;color:#111;border-color:#e1af00}
.material-btn--secondary{background:#fff;color:#111;border-color:#d6dde3}
.material-note{display:block;margin-top:9px;color:#757e89;font-size:12px}
.material-content{margin-top:22px;display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:22px;align-items:start}
.material-section{padding:22px 24px}
.material-section h2{margin:0 0 14px;font-size:20px}
.material-description{font-size:15px;line-height:1.72;color:#35404b}
.material-description p{margin:0 0 1em}
.material-specs{width:100%;border-collapse:collapse}
.material-specs td{padding:10px 0;border-bottom:1px solid #edf0f2;font-size:13px;vertical-align:top}
.material-specs td:first-child{width:46%;color:#7b8490;padding-right:16px}
.material-specs td:last-child{font-weight:700;color:#252b32}
.material-side{position:sticky;top:90px}
.material-side .material-panel{padding:18px}
.material-side h3{margin:0 0 12px;font-size:16px}
@media(max-width:900px){
 .material-hero,.material-content{grid-template-columns:1fr}
 .material-side{position:static}
 .material-title{font-size:25px}
}
@media(max-width:640px){
 .material-page{padding:12px 10px 28px}
 .material-media{padding:10px}
 .material-media__main{min-height:220px}
 .material-info{padding:18px 16px}
 .material-title{font-size:23px}
 .material-section{padding:18px 16px}
}