.kalk-wrapper{background:#fff;border:1px solid #e0e0e0;border-radius:12px;box-shadow:0 4px 15px rgba(0,0,0,.05);color:#333;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;margin:20px auto;max-width:500px;padding:25px}.kalk-header{margin-bottom:25px;text-align:center}.kalk-header h3{color:#1d2327;font-size:1.4rem;margin:0}.kalk-header p{color:#646970;font-size:.9rem;margin-top:5px}.kalk-row{display:flex;gap:15px;margin-bottom:15px}.kalk-field{display:flex;flex:1;flex-direction:column;gap:6px;margin-bottom:10px}.kalk-field label{color:#646970;font-size:11px;font-weight:700;text-transform:uppercase}.kalk-field input,.kalk-field select{border:1px solid #8c8f94;border-radius:6px;box-sizing:border-box;font-size:15px;padding:10px;width:100%}.kalk-divider{background:#dcdcde;height:1px;margin:15px 0}.kalk-tabs{background:#f0f0f1;border-radius:8px;display:flex;gap:4px;margin-bottom:20px;padding:4px}.kalk-tab{background:transparent;border:none;border-radius:6px;color:#50575e;cursor:pointer;flex:1;font-size:13px;font-weight:600;padding:10px;transition:all .2s ease}.kalk-tab.active{background:#fff;box-shadow:0 2px 4px rgba(0,0,0,.1);color:#2271b1}.kalk-section{display:none}.kalk-result-box{background:#f0f6fb;border:1px solid #c3d7e8;border-radius:8px;margin-top:10px;padding:20px;text-align:center}.kalk-result-box span{color:#646970;display:block;font-size:12px;margin-bottom:5px}.kalk-result-box strong{color:#2271b1;font-size:28px;font-weight:800}.highlight-tech-field input{background-color:#f0f7ff;border-color:#2271b1}.kalk-periodic-results table{border-collapse:collapse;margin-top:10px;width:100%}.kalk-periodic-results th{background:#2271b1;border-radius:4px 4px 0 0;color:#fff;font-size:12px;padding:12px;text-align:left}.kalk-periodic-results td{border-bottom:1px solid #eee;font-size:15px;padding:12px}.bold-res{color:#2271b1;font-weight:800;text-align:right}@media (max-width:500px){.kalk-row{flex-direction:column;gap:0}.kalk-wrapper{padding:15px}}