.template-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}.template-card{background:#fff;border:1px solid #e2e8ee;border-radius:15px;overflow:hidden;box-shadow:0 5px 18px #10233f0b}.template-preview{height:260px;background:#dfe6eb;padding:12px}.template-preview iframe{width:100%;height:100%;border:0;background:#fff;pointer-events:none}.template-info{padding:20px}.template-info h2{margin:10px 0 4px}.template-info p{color:#667085}.sender-edit{border:1px solid #dfe6ec;border-radius:12px;margin-bottom:14px;padding:0 16px}.sender-edit summary{display:flex;justify-content:space-between;align-items:center;padding:15px 0;cursor:pointer}.sender-edit summary span:first-child{display:grid}.sender-edit summary small{color:#667085}.sender-test{display:flex;gap:8px;padding:14px 0;border-top:1px solid #e5eaf0}.sender-test input{flex:1}.account-panel{max-width:520px}.section-gap{margin-top:30px!important}.danger-zone{margin-top:35px;border:1px solid #ffd1d1;background:#fff7f7;border-radius:12px;padding:18px}.danger-zone h2{color:#b93636}@media(max-width:700px){.template-grid{grid-template-columns:1fr}.sender-test{flex-direction:column}}