.katsnet-fav-btn{display:inline-flex;align-items:center;gap:.4rem;padding:.4rem .6rem;border:1px solid #ddd;border-radius:8px;background:#fff;color:#444;cursor:pointer;transition:background-color .18s ease,border-color .18s ease,color .18s ease,opacity .18s ease}
.katsnet-fav-btn:hover{background:#f9fafb}
.katsnet-fav-btn.active{border-color:#e11d48;background:#fff1f2;color:#be123c}
.katsnet-fav-btn .katsnet-fav-icon{font-family:"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji",system-ui,sans-serif}
.katsnet-fav-btn .katsnet-fav-label{font-weight:600}
.katsnet-fav-btn.is-busy,.katsnet-fav-btn:disabled{opacity:.7;cursor:progress}

.kf-wrap{display:grid;gap:16px}
.kf-empty{padding:24px;border:2px dashed #e5e7eb;border-radius:12px;text-align:center;color:#6b7280}
.katsnet-login-prompt{padding:24px;border:1px solid #e5e7eb;border-radius:10px;background:#fff}
.kf-sync{padding:16px;border:1px solid #e5e7eb;border-radius:8px;background:#fff}
.kf-sync-form{display:grid;gap:8px;margin:0}
.kf-sync-form label{font-weight:700}
.kf-sync-controls{display:flex;gap:8px;flex-wrap:wrap}
.kf-sync-controls input[type=email]{min-width:240px;max-width:100%;flex:1}
.kf-sync-status{margin:0;color:#374151}

.kf-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:12px 16px;border:1px solid #e5e7eb;border-radius:12px;background:#f8fafc}
.kf-select-all{display:inline-flex;align-items:center;gap:8px;font-weight:600}
.kf-toolbar-actions{display:flex;gap:12px;flex-wrap:wrap}

.kf-resource-list{list-style:none;margin:0;padding:0;display:grid;gap:16px}
.kf-resource-card{display:grid;grid-template-columns:auto 140px minmax(0,1fr);gap:16px;align-items:start;padding:16px;border:1px solid #e5e7eb;border-radius:14px;background:#fff}
.kf-resource-check{padding-top:6px}
.kf-resource-media{min-height:1px}
.kf-resource-image img,.kf-card-image{display:block;width:100%;height:auto;border-radius:10px}
.kf-resource-title{margin:0 0 8px;font-size:1.2rem;line-height:1.25}
.kf-resource-title a{text-decoration:none;color:#111827}
.kf-resource-title a:hover,.kf-resource-title a:focus{text-decoration:underline}
.kf-resource-excerpt{color:#374151}
.kf-resource-excerpt > *:first-child{margin-top:0}
.kf-resource-excerpt > *:last-child{margin-bottom:0}

.katsnet-favorites-nav{display:inline-flex;gap:.75rem;align-items:center}
.katsnet-favorites-nav-link{color:inherit;text-decoration:none}
.katsnet-favorites-nav-link:hover{text-decoration:underline}
.katsnet-favorites-nav-sep{opacity:.6}

@media (max-width: 700px){
  .kf-resource-card{grid-template-columns:auto 1fr;gap:12px}
  .kf-resource-media{grid-column:2}
  .kf-resource-body{grid-column:1 / -1}
}