.class-platforms{box-sizing:border-box;color:#000;background:#f5f7fb;border:1px solid #dce5f2;border-radius:18px;width:100%;margin:16px 0;padding:20px;font-family:Arial,sans-serif}.class-platforms>header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.class-platforms h2{color:#000;margin:0;font-size:21px}.class-platforms button{background:linear-gradient(135deg,var(--admin-primary,#263d70),var(--admin-secondary,#087f8c));color:#fff;border:0;border-radius:10px;min-height:44px;padding:10px 14px;font-size:14px}.class-platforms form{flex-wrap:wrap;align-items:end;gap:12px;margin:18px 0;display:flex}.class-platforms label{color:#000;flex-direction:column;flex:1;gap:6px;min-width:min(100%,200px);display:flex}.class-platforms input{color:#000;box-sizing:border-box;background:#fff;border:1px solid #ccd7e4;border-radius:8px;width:100%;padding:10px;font-size:16px}.class-platforms .platform-app-grid{grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:20px 12px;margin-top:20px;display:grid}.class-platforms .platform-app{text-align:center;min-width:0}.class-platforms .platform-app>a{color:#000;box-shadow:none;background:0 0;border:0;flex-direction:column;align-items:center;gap:9px;padding:0;text-decoration:none;display:flex}.class-platforms .platform-app-icon{color:#263d70;background:#fff;border-radius:16px;place-items:center;width:64px;height:64px;font-size:28px;display:grid;position:relative;overflow:hidden;box-shadow:0 4px 10px #263d701c}.class-platforms .platform-app-icon>img{object-fit:contain;z-index:1;background:#fff;width:40px;height:40px;position:absolute}.class-platforms .platform-app-name{color:#000;overflow-wrap:anywhere;font-size:14px;line-height:1.4}.class-platforms .platform-app>button{min-height:32px;margin-top:8px;padding:5px 10px;font-size:12px}.class-platforms .platform-youtube{background:#fff0f0}.class-platforms .platform-quizizz{background:#f5f0ff}.class-platforms .platform-khan{background:#eaf8f1}.class-platforms .platform-phet{background:#edf4fc}.class-platforms .platform-app-icon>img{object-fit:contain;background:0 0;border-radius:12px;width:56px;height:56px}.class-platforms .platform-app-icon{width:68px;height:68px}