.irdp-calculator,.irdp-calculator *{box-sizing:border-box}.irdp-calculator{--p:#0d6670;--pd:#084c54;--ink:#19323a;--muted:#65747a;--line:#d7e2e5;--soft:#f4f8f9;--white:#fff;--shadow:0 18px 50px rgba(24,63,71,.11);width:100%;max-width:1180px;margin:24px auto;color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.45}.irdp-calculator button,.irdp-calculator input,.irdp-calculator select{font:inherit}.irdp-shell{overflow:hidden;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow)}.irdp-header{position:relative;padding:28px 30px 24px;overflow:hidden;color:#fff;background:radial-gradient(circle at 90% 10%,rgba(255,255,255,.18),transparent 28%),linear-gradient(125deg,var(--pd),var(--p))}.irdp-header:after{content:"";position:absolute;right:-70px;bottom:-95px;width:260px;height:260px;border:1px solid rgba(255,255,255,.18);border-radius:50%}.irdp-kicker{margin:0 0 8px;font-size:12px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;opacity:.82}.irdp-header h2{position:relative;z-index:1;margin:0;max-width:860px;color:#fff;font-size:clamp(25px,4vw,38px);line-height:1.12}.irdp-header p{position:relative;z-index:1;max-width:850px;margin:12px 0 0;color:rgba(255,255,255,.88);font-size:15px}.irdp-body{padding:24px;background:linear-gradient(#fff,#fbfdfd)}.irdp-mode-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-bottom:20px}.irdp-mode-card{display:flex;gap:13px;align-items:flex-start;width:100%;min-height:112px;padding:18px;text-align:left;color:var(--ink);cursor:pointer;border:1.5px solid var(--line);border-radius:16px;background:#fff;transition:.18s ease}.irdp-mode-card:hover{transform:translateY(-1px);border-color:#9bbfc4}.irdp-mode-card.is-active{border-color:var(--p);background:#eef8f8;box-shadow:0 0 0 3px rgba(13,102,112,.09)}.irdp-mode-icon{flex:0 0 auto;display:grid;place-items:center;width:42px;height:42px;color:#fff;font-weight:900;border-radius:12px;background:var(--p)}.irdp-mode-card strong{display:block;margin-bottom:4px;font-size:16px}.irdp-mode-card span{display:block;color:var(--muted);font-size:13px}.irdp-toolbar{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding:15px;margin-bottom:18px;border:1px solid var(--line);border-radius:15px;background:var(--soft)}.irdp-panel-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);gap:20px;align-items:start}.irdp-card{padding:20px;border:1px solid var(--line);border-radius:17px;background:#fff}.irdp-card+.irdp-card{margin-top:16px}.irdp-card-title{display:flex;gap:10px;align-items:center;margin:0 0 16px;color:var(--ink);font-size:17px}.irdp-step{display:grid;place-items:center;width:28px;height:28px;flex:0 0 auto;color:#fff;font-size:13px;font-weight:900;border-radius:50%;background:var(--p)}.irdp-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.irdp-field{min-width:0}.irdp-field.is-full{grid-column:1/-1}.irdp-field label,.irdp-toolbar label{display:block;margin:0 0 6px;color:#314b52;font-size:12px;font-weight:800}.irdp-field input,.irdp-field select,.irdp-toolbar select{width:100%;min-height:44px;padding:10px 12px;color:var(--ink);border:1px solid #bdcdd1;border-radius:10px;outline:none;background:#fff;transition:border-color .15s,box-shadow .15s}.irdp-field input:focus,.irdp-field select:focus,.irdp-toolbar select:focus{border-color:var(--p);box-shadow:0 0 0 3px rgba(13,102,112,.11)}.irdp-field input:disabled{color:#6f7c80;background:#edf2f3}.irdp-help{display:block;margin-top:5px;color:var(--muted);font-size:11px}.irdp-check{display:flex!important;gap:9px;align-items:flex-start;margin:12px 0 0!important;color:#3f555b!important;font-size:12px!important;font-weight:400!important}.irdp-check input{width:17px!important;height:17px!important;min-height:0!important;margin-top:1px;accent-color:var(--p)}.irdp-hidden{display:none!important}.irdp-results{position:sticky;top:18px}.irdp-result-hero{padding:20px;color:#fff;border-radius:17px;background:radial-gradient(circle at 95% 5%,rgba(255,255,255,.16),transparent 28%),linear-gradient(135deg,#123c45,var(--p))}.irdp-result-hero h3{margin:0 0 4px;color:#fff;font-size:19px}.irdp-range-line{margin:5px 0 18px;color:rgba(255,255,255,.82);font-size:13px}.irdp-result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.irdp-metric{min-width:0;padding:13px;border:1px solid rgba(255,255,255,.16);border-radius:12px;background:rgba(255,255,255,.08)}.irdp-metric span{display:block;margin-bottom:4px;color:rgba(255,255,255,.74);font-size:11px;font-weight:800;letter-spacing:.05em;text-transform:uppercase}.irdp-metric strong{display:block;overflow-wrap:anywhere;color:#fff;font-size:clamp(18px,2vw,24px);line-height:1.12}.irdp-zero-badge{display:inline-flex;margin-top:13px;padding:7px 10px;color:#083f47;font-size:12px;font-weight:900;border-radius:999px;background:#d8f2f2}.irdp-result-card{margin-top:14px;padding:17px;border:1px solid var(--line);border-radius:15px;background:#fff}.irdp-result-card h4{margin:0 0 11px;font-size:14px}.irdp-component-list{display:grid;gap:8px}.irdp-component{display:flex;justify-content:space-between;gap:18px;padding-bottom:7px;color:#42585e;font-size:12px;border-bottom:1px dashed #d9e3e5}.irdp-component:last-child{padding-bottom:0;border-bottom:0}.irdp-component strong{color:var(--ink);text-align:right}.irdp-formula{overflow-x:auto;padding:12px;color:#183d45;font-family:"Cambria Math",Georgia,serif;font-size:13px;border-left:4px solid var(--p);border-radius:8px;background:#f1f7f8}.irdp-status{margin-top:14px}.irdp-alert{padding:10px 12px;margin-top:8px;font-size:12px;border-radius:10px}.irdp-alert.good{color:#0c5c3a;border:1px solid #a6ddc4;background:#eaf8f1}.irdp-alert.warn{color:#704c00;border:1px solid #f0d18b;background:#fff8e7}.irdp-alert.bad{color:#8e1f17;border:1px solid #f0b4ae;background:#fff0ef}.irdp-table-wrap{overflow-x:auto;margin-top:14px;border:1px solid var(--line);border-radius:14px}.irdp-table{width:100%;min-width:520px;border-collapse:collapse;background:#fff}.irdp-table th,.irdp-table td{padding:10px 12px;text-align:right;font-size:12px;border-bottom:1px solid #e4ebed}.irdp-table th:first-child,.irdp-table td:first-child{text-align:left}.irdp-table th{color:#3f555b;background:#f3f7f8}.irdp-table tr:last-child td{border-bottom:0}.irdp-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.irdp-btn{min-height:42px;padding:10px 15px;cursor:pointer;color:#fff;font-weight:800;border:0;border-radius:10px;background:var(--p)}.irdp-btn:hover{background:var(--pd)}.irdp-btn.secondary{color:var(--pd);border:1px solid #a9c7cc;background:#fff}.irdp-btn.secondary:hover{background:#eef7f8}.irdp-note{margin:18px 0 0;padding:13px 15px;color:#4c6066;font-size:11px;border-radius:12px;background:#f3f6f7}.irdp-note strong{color:var(--ink)}.irdp-footer{padding:13px 22px;color:#6a7b80;font-size:10px;text-align:center;border-top:1px solid var(--line);background:#fafcfc}@media(max-width:900px){.irdp-panel-grid{grid-template-columns:1fr}.irdp-results{position:static}}@media(max-width:640px){.irdp-header,.irdp-body{padding:20px 16px}.irdp-mode-grid,.irdp-toolbar,.irdp-fields,.irdp-result-grid{grid-template-columns:1fr}.irdp-mode-card{min-height:0}}@media print{.irdp-calculator{max-width:none;margin:0;box-shadow:none}.irdp-shell{border:0;box-shadow:none}.irdp-mode-grid,.irdp-toolbar,.irdp-actions,.irdp-input-column{display:none!important}.irdp-panel-grid{display:block}.irdp-results{position:static}}


.irdp-schematics {
  margin-top: 20px;
  padding: 20px;
  border: 1px solid var(--irdp-line);
  border-radius: 18px;
  background: linear-gradient(180deg, #ffffff, #f8fbfb);
}

.irdp-schematics-head h3 {
  margin: 0 0 6px;
  font-size: 20px;
}

.irdp-schematics-head p {
  margin: 0;
  color: var(--irdp-muted);
  font-size: 13px;
}

.irdp-schematics-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.irdp-schematic-card {
  padding: 16px;
  border: 1px solid var(--irdp-line);
  border-radius: 16px;
  background: #fff;
}

.irdp-schematic-card h4 {
  margin: 0 0 6px;
  font-size: 16px;
}

.irdp-schematic-card p {
  margin: 0 0 12px;
  color: var(--irdp-muted);
  font-size: 12px;
}

.irdp-schematic-svg {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid #e2ebed;
  border-radius: 14px;
  background: linear-gradient(180deg, #fcfefe, #f4f8f9);
}

.irdp-legend {
  display: grid;
  gap: 7px;
  margin: 12px 0 0;
  padding-left: 18px;
  color: #42585e;
  font-size: 12px;
}

.irdp-legend li strong {
  color: var(--irdp-ink);
}

@media (max-width: 860px) {
  .irdp-schematics-grid {
    grid-template-columns: 1fr;
  }
}

/* Reference schematics: v1.1.0 */
.irdp-schematics{margin-top:24px;padding:22px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(180deg,#f7fbfb,#fff)}
.irdp-schematics-heading{max-width:900px;margin-bottom:18px}.irdp-kicker-dark{color:var(--p);opacity:1}.irdp-schematics-heading h3{margin:0 0 8px;font-size:clamp(20px,2.5vw,28px);line-height:1.2;color:var(--ink)}.irdp-schematics-heading p:last-child{margin:0;color:var(--muted);font-size:13px}
.irdp-schematic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.irdp-schematic-card{min-width:0;margin:0;padding:15px;border:1.5px solid var(--line);border-radius:16px;background:#fff;transition:.18s ease}.irdp-schematic-card.is-active{border-color:var(--p);box-shadow:0 0 0 3px rgba(13,102,112,.08)}.irdp-schematic-card figcaption{display:grid;gap:4px;min-height:88px}.irdp-schematic-card figcaption strong{font-size:16px;color:var(--ink)}.irdp-schematic-card figcaption>span:last-child{font-size:12px;color:var(--muted)}.irdp-schematic-tag{justify-self:start;padding:4px 8px;border-radius:999px;background:#e6f3f4;color:var(--pd);font-size:10px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.irdp-svg-wrap{overflow:hidden;margin-top:10px;border:1px solid #e1eaec;border-radius:13px;background:#fbfdfd}.irdp-svg-wrap svg{display:block;width:100%;height:auto;min-height:330px}.irdp-svg-wrap text{font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;fill:#28454d;font-size:12px}.irdp-svg-vessel>path:first-child{fill:#edf3f4;stroke:#637b82;stroke-width:3}.irdp-svg-liquid{fill:#acd8e5;stroke:none!important}.irdp-svg-wave{fill:none!important;stroke:#3e92aa!important;stroke-width:3!important}.irdp-svg-zone{font-size:17px!important;font-weight:800}.irdp-svg-zone-light{fill:#fff!important;text-shadow:0 1px 2px rgba(0,0,0,.25)}.irdp-svg-levels line{stroke:#52737b;stroke-width:1.5;stroke-dasharray:7 5}.irdp-svg-levels text{font-weight:900;fill:#295c67}.irdp-svg-nozzles line,.irdp-svg-seals line{stroke:#4c666e;stroke-width:8;stroke-linecap:round}.irdp-svg-nozzles circle{fill:#fff;stroke:#4c666e;stroke-width:3}.irdp-svg-seals rect{fill:#fff;stroke:#0d6670;stroke-width:3}.irdp-svg-impulse-lines path{fill:none;stroke:#657b82;stroke-width:5;stroke-linecap:round;stroke-linejoin:round}.irdp-svg-capillaries path{fill:none;stroke:#6e858b;stroke-width:4;stroke-linecap:round;stroke-linejoin:round}.irdp-svg-capillaries circle{fill:none;stroke:#6e858b;stroke-width:2}.irdp-svg-transmitter rect{fill:#d9e7e9;stroke:#365a63;stroke-width:3}.irdp-svg-transmitter circle{fill:#fff;stroke:#0d6670;stroke-width:3}.irdp-svg-transmitter>circle:not(:first-of-type){fill:#0d6670;stroke:#fff;stroke-width:1.5}.irdp-svg-transmitter text{font-size:15px;font-weight:900;fill:#163a42}.irdp-svg-device-label{font-size:18px!important;fill:#0d6670!important}.irdp-svg-reference line{stroke:#9aadb2;stroke-width:1.5;stroke-dasharray:8 6}.irdp-svg-reference text{font-size:10px;fill:#667b80}.irdp-svg-dimension line{stroke:#dc5b32;stroke-width:1.6}.irdp-svg-dimension text{fill:#9d3b20;font-size:11px;font-weight:800}.irdp-schematic-notes{display:grid;gap:5px;margin-top:11px;color:#52676d;font-size:11px}.irdp-schematic-notes strong{color:var(--ink)}
.irdp-dimension-guide{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin-top:16px}.irdp-dimension-guide>div{display:grid;align-content:start;gap:5px;padding:12px;border:1px solid var(--line);border-radius:12px;background:#fff}.irdp-dimension-guide strong{color:var(--p);font-size:17px}.irdp-dimension-guide span{color:var(--muted);font-size:10px}.irdp-dimension-guide b{margin-top:auto;color:var(--ink);font-size:12px}.irdp-field-checklist{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;padding:14px;border-radius:12px;background:#173f48;color:#fff}.irdp-field-checklist strong{flex:1 0 100%;font-size:13px}.irdp-field-checklist span{position:relative;padding:6px 9px 6px 24px;border:1px solid rgba(255,255,255,.16);border-radius:999px;background:rgba(255,255,255,.07);font-size:10px}.irdp-field-checklist span:before{content:"✓";position:absolute;left:9px;font-weight:900;color:#8fe1d0}
@media(max-width:980px){.irdp-schematic-grid{grid-template-columns:1fr}.irdp-schematic-card figcaption{min-height:0}.irdp-dimension-guide{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.irdp-schematics{padding:16px}.irdp-dimension-guide{grid-template-columns:1fr}.irdp-svg-wrap{overflow-x:auto}.irdp-svg-wrap svg{width:660px;max-width:none;min-height:0}.irdp-field-checklist span{border-radius:10px}}
@media print{.irdp-schematics{break-before:page;box-shadow:none}.irdp-schematic-grid{grid-template-columns:1fr 1fr}.irdp-dimension-guide{grid-template-columns:repeat(5,1fr)}}