.hcpdc-tool{max-width:900px;margin:0 auto;color:#435a72;font-family:inherit;font-size:14px;line-height:1.65;box-sizing:border-box}.hcpdc-tool *{box-sizing:border-box}.hcpdc-header{margin:0 0 12px}.hcpdc-eyebrow{display:block;color:#1e73e8;font-size:12px;font-weight:700;letter-spacing:.02em;margin:0 0 3px}.hcpdc-header h2{color:#2c3e50;font-size:26px;line-height:1.25;font-weight:700;margin:0 0 8px;padding:0}.hcpdc-header p{font-size:15px;line-height:1.5;margin:0 0 8px;color:#52677e}.hcpdc-panel,.hcpdc-results,.hcpdc-info{background:#fff;border:1px solid #d8e1ec;border-radius:12px;padding:18px;margin:12px 0;box-shadow:0 2px 8px rgba(28,55,90,.04)}.hcpdc-tool h3{font-size:18px;line-height:1.35;color:#2c3e50;margin:0 0 8px;font-weight:700}.hcpdc-intro{margin:0 0 14px}.hcpdc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 12px}.hcpdc-field{min-width:0}.hcpdc-field[hidden]{display:none!important}.hcpdc-field label{display:block;font-weight:600;margin:0 0 5px;color:#435a72}.hcpdc-input-unit{display:flex;gap:7px;align-items:stretch}.hcpdc-number-wrap{position:relative;display:flex;flex:1;min-width:0}.hcpdc-number-wrap input,.hcpdc-field select{width:100%;min-width:0;min-height:42px;border:1px solid #d8e1ec;border-radius:7px;padding:9px 10px;background:#fff;color:#435a72;font:inherit;box-shadow:none}.hcpdc-number-wrap input{padding-right:29px}.hcpdc-number-wrap input:focus,.hcpdc-field select:focus{outline:2px solid rgba(30,115,232,.18);border-color:#1e73e8}.hcpdc-field>select{cursor:pointer}.hcpdc-field select{flex:0 0 auto;max-width:100%;padding-right:7px;cursor:pointer}.hcpdc-field .hcpdc-input-unit select[data-field="flowUnit"]{width:100px}.hcpdc-field .hcpdc-input-unit select[data-field="velocityUnit"]{width:82px}.hcpdc-field .hcpdc-input-unit select[data-field="diameterUnit"]{width:72px}.hcpdc-stepper{position:absolute;right:4px;top:4px;bottom:4px;display:flex;flex-direction:column;width:20px}.hcpdc-stepper button{appearance:none;border:0;background:transparent;color:#647b91;padding:0;line-height:1;flex:1;font-size:11px;cursor:pointer}.hcpdc-stepper button:hover{color:#1e73e8}.hcpdc-field small{display:block;color:#52677e;font-size:12px;margin-top:4px}.hcpdc-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.hcpdc-btn{appearance:none;border:1px solid #1e73e8;border-radius:6px;background:#1e73e8;color:#fff;padding:9px 14px;min-height:38px;font:inherit;font-weight:600;cursor:pointer}.hcpdc-btn:hover{filter:brightness(.96)}.hcpdc-results-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.hcpdc-results-head h3{margin-bottom:0}.hcpdc-primary-result{background:#f1f6fc;border-radius:9px;padding:15px;margin-bottom:10px}.hcpdc-primary-result span,.hcpdc-result-card span{display:block;font-size:12px;color:#52677e;margin-bottom:3px}.hcpdc-primary-result strong{display:block;color:#1e73e8;font-size:25px;line-height:1.25;margin:2px 0 4px;overflow-wrap:anywhere}.hcpdc-primary-result small{color:#52677e}.hcpdc-result-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.hcpdc-result-card{border:1px solid #edf1f6;border-radius:8px;padding:11px;min-width:0}.hcpdc-result-card strong{display:block;color:#2c3e50;font-size:17px;line-height:1.35;overflow-wrap:anywhere}.hcpdc-note{font-size:12px;color:#52677e;margin:10px 0 0}.hcpdc-error{margin:12px 0 0;padding:10px 12px;border-radius:7px;background:#fff1f0;color:#a12622;border:1px solid #f2c7c5}.hcpdc-info h3:not(:first-child){margin-top:18px}.hcpdc-info ol{padding-left:20px;margin:8px 0 0}.hcpdc-info li{padding-left:2px;margin:5px 0}.hcpdc-info p{margin:8px 0 0}.hcpdc-footer{text-align:center;color:#718096;font-size:12px;margin:12px 0 4px}.hcpdc-footer a{color:#1e73e8;text-decoration:underline}@media(max-width:600px){.hcpdc-panel,.hcpdc-results,.hcpdc-info{padding:14px}.hcpdc-grid{grid-template-columns:1fr;gap:12px}.hcpdc-header h2{font-size:23px}.hcpdc-result-grid{grid-template-columns:1fr}.hcpdc-primary-result strong{font-size:23px}}