.library-intro{display:flex;justify-content:space-between;align-items:center;gap:24px;background:#062c40;color:white;padding:32px;border-radius:16px;margin-bottom:24px}.library-intro h2{font-size:30px;margin:8px 0}.library-intro p{color:#c9dfe5}.library-intro small{letter-spacing:2px;color:#5ed4dc}.library-tools{display:flex;gap:12px;margin-bottom:24px}.library-tools input{max-width:500px}.material-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.material-card{background:white;border:1px solid #dce5e9;border-radius:16px;overflow:hidden}.material-card[hidden]{display:none}.material-cover{background:linear-gradient(120deg,#083348,#00798a);height:145px;padding:24px;display:flex;align-items:center;gap:16px;color:white;position:relative}.material-cover>span{font-size:54px}.material-cover small{letter-spacing:2px;max-width:160px}.material-cover b{position:absolute;right:18px;top:18px;background:#ffffff25;border:1px solid #ffffff40;border-radius:30px;padding:6px 12px;font-size:12px}.material-body{padding:24px}.material-body h3{font-size:22px;margin-top:0}.material-body p{color:#587080;line-height:1.6}.material-meta{font-size:12px;color:#557680;margin:20px 0}.material-actions{display:flex;flex-wrap:wrap;gap:9px}.material-actions button,.material-actions a{font-size:13px;padding:10px 14px}.share-row{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid #e0e8ec}.local-notice{background:#fff3d5;color:#72531c;padding:14px;border-radius:8px}#share-result{margin:18px 0}#share-result a,#share-result button{margin:4px}#material-error{color:#a64024}#material-folder[hidden],#material-link[hidden]{display:none}@media(max-width:760px){.material-grid{grid-template-columns:1fr}.library-intro{display:block;padding:24px}.library-intro h2{font-size:25px}.library-tools{flex-wrap:wrap}}