.scsa-box,.scsa-card{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:18px;margin:18px 0;box-shadow:0 6px 18px rgba(0,0,0,.06)}
.scsa-box h3,.scsa-card h2{margin-top:0}.scsa-muted{color:#6b7280;font-size:14px}.scsa-box label{display:block;font-weight:600;margin:12px 0 6px}.scsa-box input[type=text],.scsa-box textarea{width:100%;max-width:720px;border:1px solid #d1d5db;border-radius:10px;padding:10px}.scsa-submit-btn{margin-top:12px;border-radius:999px!important;padding:8px 18px!important;background:#111827!important;color:#fff!important;border:0!important}.scsa-success{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0;border-radius:12px;padding:12px 14px;margin:18px 0}.scsa-channel-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:8px;margin:12px 0}.scsa-channel-list label{background:#f9fafb;border:1px solid #e5e7eb;border-radius:10px;padding:10px}.scsa-preview-row{display:flex;gap:8px;align-items:center}.scsa-thumb{width:64px;height:64px;object-fit:cover;border-radius:8px}.scsa-injected-wrap{max-width:1100px;margin:0 auto}